author | Claus Gittinger <cg@exept.de> |
Wed, 09 Jul 2014 18:20:25 +0200 | |
changeset 16720 | 380f7238e94e |
parent 16608 | 7ab6a743dc02 |
child 16775 | 7a313614ae19 |
permissions | -rw-r--r-- |
1 | 1 |
" |
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COPYRIGHT (c) 1989 by Claus Gittinger |
216 | 3 |
All Rights Reserved |
1 | 4 |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
|
10 |
hereby transferred. |
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" |
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"{ Package: 'stx:libbasic' }" |
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Object subclass:#Stream |
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instanceVariableNames:'signalAtEnd' |
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classVariableNames:'StreamErrorSignal PositionErrorSignal ReadErrorSignal |
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WriteErrorSignal EndOfStreamSignal LineTooLongErrorSignal |
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ChunkSeparator' |
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poolDictionaries:'' |
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category:'Streams' |
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! |
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||
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!Stream class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1989 by Claus Gittinger |
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All Rights Reserved |
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This software is furnished under a license and may be used |
|
31 |
only in accordance with the terms of that license and with the |
|
32 |
inclusion of the above copyright notice. This software may not |
|
33 |
be provided or otherwise made available to, or used by, any |
|
34 |
other person. No title to or ownership of the software is |
|
35 |
hereby transferred. |
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" |
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! |
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||
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documentation |
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" |
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An abstract class defining common behavior for all stream-like objects. |
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See concrete subclasses for more detail. |
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The protocol as implemented here is often only provided as a fallBack |
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for very uncommon cases. Much of it is redefined for performance. |
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(In streams which know more about their internal representation ...) |
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Subclasses should (at least) implement: |
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#next (if readable) |
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#nextPut: (if writable) |
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#contents |
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#atEnd |
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#isReadable |
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#isWritable |
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Peekable & Positionable streams should (at least) implement: |
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#peek |
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#position |
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#position: |
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||
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[instance variables:] |
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signalAtEnd <nil | Boolean> controls behavior when a read |
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is attempted past the end-of-stream |
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if true, the endOfStreamSignal is raised. |
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if false, nil is returned. |
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if nil (the default), the signal |
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is raised, but if there is no handler, |
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nil is returned. |
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[Class variables / Exceptions:] |
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StreamError <Exception> parent of all stream errors |
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PositionError <Exception> position attemted on a stream |
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which does not support positioning, |
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or if the position is invalid. |
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ReadError <Exception> raised on read errors |
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WriteError <Exception> raised on write errors |
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EndOfStreamSignal <Signal> raised at end of stream if signalAtEnd |
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is enabled. |
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[author:] |
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Claus Gittinger |
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" |
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! ! |
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!Stream class methodsFor:'initialization'! |
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initSignals |
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StreamErrorSignal := StreamError. |
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StreamErrorSignal notifierString:'Stream error'. |
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96 |
||
8071 | 97 |
PositionErrorSignal := PositionError. |
6314 | 98 |
PositionErrorSignal notifierString:'stream has no concept of a position'. |
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8071 | 100 |
ReadErrorSignal := ReadError. |
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ReadErrorSignal notifierString:'read error'. |
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||
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WriteErrorSignal := WriteError. |
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WriteErrorSignal notifierString:'write error'. |
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106 |
LineTooLongErrorSignal := QuerySignal new. |
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8515 | 107 |
LineTooLongErrorSignal parent:StreamError. |
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LineTooLongErrorSignal nameClass:self message:#lineTooLongErrorSignal. |
109 |
LineTooLongErrorSignal notifierString:'line too long'. |
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EndOfStreamSignal := EndOfStreamNotification. |
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EndOfStreamSignal notifierString:'end of stream'. |
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"Created: / 7.9.2001 / 14:15:13 / cg" |
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"Modified: / 7.9.2001 / 14:15:27 / cg" |
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! |
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initialize |
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ChunkSeparator := $!!. |
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LineTooLongErrorSignal isNil ifTrue:[ |
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self initSignals |
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] |
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"Modified: / 1.11.1998 / 15:57:37 / stefan" |
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"Modified: / 7.9.2001 / 14:15:51 / cg" |
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! ! |
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!Stream class methodsFor:'instance creation'! |
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new |
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"{ Pragma: +optSpace }" |
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"report an error - Streams are created using on:-messages" |
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self error:'Streams cannot be created with new' |
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! ! |
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!Stream class methodsFor:'Signal constants'! |
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endOfStreamSignal |
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"return the signal raised if read past end of stream is attemted" |
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^ EndOfStreamNotification |
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! |
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146 |
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6348 | 147 |
incompleteNextCountSignal |
148 |
"return the signal raised if not all requested elements are returned" |
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149 |
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150 |
^ IncompleteNextCountError |
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! |
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lineTooLongErrorSignal |
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"return the signal raised if a line is read which is too long (>32k)" |
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|
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^ LineTooLongErrorSignal |
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157 |
|
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"Created: / 15.10.1998 / 12:11:14 / cg" |
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! |
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160 |
|
611 | 161 |
positionErrorSignal |
162 |
"return the signal raised if positioning is requested for |
|
163 |
a stream which does not support that kind of operation" |
|
164 |
||
8309 | 165 |
^ PositionError |
611 | 166 |
! |
167 |
||
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168 |
readErrorSignal |
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"return the signal raised on read errors" |
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170 |
|
8309 | 171 |
^ ReadError |
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172 |
! |
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173 |
|
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174 |
streamErrorSignal |
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175 |
"return the parent of all stream errors; |
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176 |
handling this one also handles all other errors. |
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177 |
Also, this one may be raised for errors not related to read/write |
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operations, such as failed ioctls in externalStream etc." |
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179 |
|
8309 | 180 |
^ StreamError |
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! |
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182 |
|
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writeErrorSignal |
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"return the signal raised on write errors" |
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185 |
|
8309 | 186 |
^ WriteError |
1 | 187 |
! ! |
188 |
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189 |
!Stream class methodsFor:'constants'! |
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190 |
|
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191 |
chunkSeparator |
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192 |
"return the chunk-separation character" |
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193 |
|
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194 |
^ ChunkSeparator |
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195 |
! ! |
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196 |
|
1 | 197 |
!Stream methodsFor:'accessing'! |
198 |
||
199 |
contents |
|
11693 | 200 |
"return the entire contents of the stream. |
201 |
For a readStream, that is the rest (i.e. upToEnd), |
|
202 |
for a writeStream, that is the collected data. As we do not know here, |
|
203 |
what we are, this is the responsibility of a subclass..." |
|
204 |
||
205 |
^ self subclassResponsibility |
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206 |
! |
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207 |
|
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208 |
signalAtEnd |
3105 | 209 |
"return the signalAtEnd flag setting. |
210 |
If true, reading past the end will always raise an EndOfStream exception. |
|
211 |
If false, no exception is raised and nil is returned from all reading messages. |
|
212 |
If nil (default), the exception is raised if there is a handler; otherwise, nil is returned. |
|
213 |
The default is nil (for ST80 compatibility) i.e. to only raise a signal if there is a handler." |
|
970
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214 |
|
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215 |
^ signalAtEnd |
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216 |
|
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217 |
"Created: 5.2.1996 / 18:24:53 / stefan" |
1402
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
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|
218 |
"Modified: 15.5.1996 / 17:35:55 / cg" |
970
3b59c9b38dbb
ST80 compatibility: generate signal at end of stream when instance variable
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846
diff
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|
219 |
! |
3b59c9b38dbb
ST80 compatibility: generate signal at end of stream when instance variable
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846
diff
changeset
|
220 |
|
1402
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
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1401
diff
changeset
|
221 |
signalAtEnd:aBoolean |
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
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diff
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|
222 |
"set the signalAtEnd flag setting. If true, reading past the end |
82462d153a7d
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1401
diff
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|
223 |
will raise an EndOfStream exception. If false, no exception is |
82462d153a7d
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1401
diff
changeset
|
224 |
raised and nil is returned from all reading messages. |
3590
d22de87c7fbd
removed endOfStreamQuery - instead, handle unhandled exception
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diff
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|
225 |
The default is to raise a signal, but return nil if |
d22de87c7fbd
removed endOfStreamQuery - instead, handle unhandled exception
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|
226 |
not handled." |
970
3b59c9b38dbb
ST80 compatibility: generate signal at end of stream when instance variable
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parents:
846
diff
changeset
|
227 |
|
1402
82462d153a7d
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diff
changeset
|
228 |
signalAtEnd := aBoolean. |
970
3b59c9b38dbb
ST80 compatibility: generate signal at end of stream when instance variable
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diff
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|
229 |
|
3591 | 230 |
"default behavior: return nil if unhandled ... |
231 |
|s| |
|
232 |
||
233 |
s := '12' readStream. |
|
234 |
Transcript showCR:s next. |
|
235 |
Transcript showCR:s next. |
|
236 |
Transcript showCR:s next. |
|
237 |
Transcript showCR:s next. |
|
238 |
" |
|
239 |
||
240 |
"... raise error if handled. |
|
241 |
|s| |
|
242 |
||
243 |
s := '12' readStream. |
|
244 |
Stream endOfStreamSignal handle:[:ex | |
|
6373
d6ffb0101dde
workaround bitShift-bitOr codeGenerator bug in stc
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|
245 |
Transcript showCR:'end reached'. |
d6ffb0101dde
workaround bitShift-bitOr codeGenerator bug in stc
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|
246 |
ex return |
3591 | 247 |
] do:[ |
6373
d6ffb0101dde
workaround bitShift-bitOr codeGenerator bug in stc
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|
248 |
Transcript showCR:s next. |
d6ffb0101dde
workaround bitShift-bitOr codeGenerator bug in stc
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changeset
|
249 |
Transcript showCR:s next. |
d6ffb0101dde
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|
250 |
Transcript showCR:s next. |
d6ffb0101dde
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|
251 |
Transcript showCR:s next. |
3591 | 252 |
] |
253 |
" |
|
254 |
||
255 |
"force raise (useful for debugging): |
|
256 |
|s| |
|
257 |
||
258 |
s := '12' readStream. |
|
259 |
s signalAtEnd:true. |
|
260 |
Transcript showCR:s next. |
|
261 |
Transcript showCR:s next. |
|
262 |
Transcript showCR:s next. |
|
263 |
Transcript showCR:s next. |
|
264 |
" |
|
265 |
||
266 |
||
267 |
"force no-raise (useful for compatibility with other systems): |
|
268 |
|s| |
|
269 |
||
270 |
s := '12' readStream. |
|
271 |
s signalAtEnd:false. |
|
272 |
Stream endOfStreamSignal handle:[:ex | |
|
6373
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|
273 |
Transcript showCR:'end reached'. |
d6ffb0101dde
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changeset
|
274 |
ex return |
3591 | 275 |
] do:[ |
6373
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changeset
|
276 |
Transcript showCR:s next. |
d6ffb0101dde
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changeset
|
277 |
Transcript showCR:s next. |
d6ffb0101dde
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changeset
|
278 |
Transcript showCR:s next. |
d6ffb0101dde
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|
279 |
Transcript showCR:s next. |
3591 | 280 |
] |
281 |
" |
|
282 |
||
283 |
"Modified: / 16.6.1998 / 16:04:41 / cg" |
|
1 | 284 |
! ! |
285 |
||
8630 | 286 |
!Stream methodsFor:'converting'! |
287 |
||
16086 | 288 |
asLineNumberReadStream |
289 |
^ LineNumberReadStream on:self |
|
290 |
! |
|
291 |
||
8630 | 292 |
asStream |
293 |
^ self |
|
294 |
! ! |
|
295 |
||
1401 | 296 |
!Stream methodsFor:'emphasis'! |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
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diff
changeset
|
297 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
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diff
changeset
|
298 |
bold |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
299 |
"set emphasis to #bold. |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
300 |
this allows Streams to be used interchangeable with printStreams" |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
301 |
|
1448
0d59ce5c4915
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parents:
1447
diff
changeset
|
302 |
self emphasis:#bold. |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
303 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
304 |
"Created: 14.5.1996 / 17:37:37 / cg" |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
305 |
"Modified: 3.6.1996 / 16:57:17 / cg" |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
306 |
! |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
307 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
308 |
boldItalic |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
309 |
"set emphasis to #boldItalic |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
310 |
this allows Streams to be used interchangeable with printStreams" |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
311 |
|
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
312 |
self emphasis:#(bold italic). |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
313 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
314 |
"Created: 14.5.1996 / 17:37:47 / cg" |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
315 |
"Modified: 3.6.1996 / 17:15:22 / cg" |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
316 |
! |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
317 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
318 |
emphasis |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
319 |
"ignored here - allows Streams to be used interchangable with |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
320 |
text streams" |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
321 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
322 |
^ nil |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
323 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
324 |
"Created: 14.5.1996 / 17:39:45 / cg" |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
325 |
! |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
326 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
327 |
emphasis:anEmphasis |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
328 |
"ignored here. |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
329 |
this allows Streams to be used interchangeable with printStreams" |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
330 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
331 |
^ self |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
332 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
333 |
"Created: 14.5.1996 / 17:38:07 / cg" |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
334 |
! |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
335 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
336 |
italic |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
337 |
"set emphasis to #italic. |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
338 |
this allows Streams to be used interchangeable with printStreams" |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
339 |
|
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
340 |
self emphasis:#italic. |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
341 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
342 |
"Created: 14.5.1996 / 17:37:55 / cg" |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
343 |
"Modified: 3.6.1996 / 17:15:32 / cg" |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
344 |
! |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
345 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
346 |
normal |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
347 |
"set emphasis to #normal. |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
348 |
this allows Streams to be used interchangeable with printStreams" |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
349 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
350 |
self emphasis:nil |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
351 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
352 |
"Created: 14.5.1996 / 17:37:59 / cg" |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
353 |
"Modified: 3.6.1996 / 17:15:35 / cg" |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
354 |
! |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
355 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
356 |
strikeout |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
357 |
"set emphasis to #strikeout. |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
358 |
this allows Streams to be used interchangeable with printStreams" |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
359 |
|
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
360 |
self emphasis:#strikeout. |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
361 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
362 |
"Modified: 3.6.1996 / 16:57:56 / cg" |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
363 |
"Created: 3.6.1996 / 17:15:45 / cg" |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
364 |
! |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
365 |
|
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
366 |
underline |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
367 |
"set emphasis to #underline. |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
368 |
this allows Streams to be used interchangeable with printStreams" |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
369 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
370 |
self emphasis:#underline. |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
371 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
372 |
"Created: 3.6.1996 / 17:00:03 / cg" |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
373 |
"Modified: 3.6.1996 / 17:15:38 / cg" |
14347 | 374 |
! |
375 |
||
376 |
withEmphasis:anEmphasis do:aBlock |
|
377 |
"evaluate aBlock while my emphasis has been changed to anEmphasis. |
|
378 |
Emphasis is ignored here, but implemented in some subclasses (PrinterStream, TextCollector etc.)." |
|
379 |
||
380 |
|oldEmphasis| |
|
381 |
||
382 |
oldEmphasis := self emphasis. |
|
383 |
[ |
|
384 |
self emphasis:anEmphasis. |
|
385 |
aBlock value |
|
386 |
] ensure:[ |
|
387 |
self emphasis:oldEmphasis. |
|
388 |
]. |
|
389 |
||
390 |
"Created: / 06-09-2012 / 16:12:55 / cg" |
|
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
391 |
! ! |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
392 |
|
1401 | 393 |
!Stream methodsFor:'enumerating'! |
394 |
||
395 |
do:aBlock |
|
396 |
"evaluate the argument, aBlock for all remaining elements, |
|
397 |
up to the end of the stream" |
|
398 |
||
399 |
[self atEnd] whileFalse:[ |
|
400 |
aBlock value:(self next) |
|
401 |
] |
|
402 |
||
403 |
" |
|
404 |
|s| |
|
405 |
s := ReadStream on:#(1 2 3 4 5 6 7 8 9). |
|
406 |
s next. |
|
407 |
s next. |
|
1422 | 408 |
s do:[:element | Transcript showCR:element] |
1401 | 409 |
" |
6384 | 410 |
! |
411 |
||
412 |
linesDo:aBlock |
|
413 |
"evaluate the argument, aBlock for all lines, |
|
414 |
up to the end of the stream" |
|
415 |
||
416 |
[self atEnd] whileFalse:[ |
|
417 |
aBlock value:(self nextLine) |
|
418 |
] |
|
419 |
||
420 |
" |
|
421 |
|s| |
|
422 |
s := '/etc/hosts' asFilename readStream. |
|
423 |
s linesDo:[:line | Transcript showCR:line]. |
|
424 |
s close |
|
425 |
" |
|
426 |
||
427 |
" |
|
428 |
Filename readingFile:'/etc/hosts' |
|
429 |
do:[:s | |
|
430 |
s linesDo:[:line | Transcript showCR:line]. |
|
431 |
]. |
|
432 |
" |
|
1401 | 433 |
! ! |
434 |
||
435 |
!Stream methodsFor:'error handling'! |
|
436 |
||
7104
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
437 |
checkNilFileStream |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
438 |
"Do nothing if this is a valid FileStream |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
439 |
(i.e. the previous open operation was successful). |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
440 |
Also implemented in UndefinedObject, to raise an Error there. |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
441 |
|
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
442 |
This is an aid for converting from the old error reporting (returning nil) |
8309 | 443 |
to the new error reporting (with real Exceptions). |
7104
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
444 |
|
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
445 |
It will vanish as soon as the conversion has been done" |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
446 |
|
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
447 |
^ self |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
448 |
! |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
449 |
|
1401 | 450 |
pastEnd |
451 |
"someone tried to read after the end of the stream. |
|
3104
4b817b05cde0
vw compatible readPastEnd: only raise the signal if its handled;
Claus Gittinger <cg@exept.de>
parents:
3084
diff
changeset
|
452 |
If signalAtEnd == true, raise a signal. If its false, return nil. |
4b817b05cde0
vw compatible readPastEnd: only raise the signal if its handled;
Claus Gittinger <cg@exept.de>
parents:
3084
diff
changeset
|
453 |
Otherwise raise the signal, but only if handled; otherwise return nil." |
1401 | 454 |
|
8622 | 455 |
<resource: #obsolete> |
456 |
||
9061 | 457 |
self obsoleteMethodWarning:'use #pastEndRead'. |
10181 | 458 |
^ self pastEndRead |
459 |
||
460 |
"Modified: / 18-11-2006 / 15:36:44 / cg" |
|
8614 | 461 |
! |
462 |
||
463 |
pastEndRead |
|
464 |
"someone tried to read after the end of the stream. |
|
8992
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
465 |
If signalAtEnd == true, raise a signal. |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
466 |
If it is false, return nil. |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
467 |
Otherwise raise a notification, which is ignored if not handled; |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
468 |
otherwise return nil." |
8614 | 469 |
|
13380 | 470 |
|shouldSignalAtEnd| |
471 |
||
472 |
shouldSignalAtEnd := self signalAtEnd. |
|
473 |
||
474 |
shouldSignalAtEnd == true ifTrue:[ |
|
8992
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
475 |
"raise - a hard error..." |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
476 |
^ EndOfStreamError raiseRequestFrom:self |
3104
4b817b05cde0
vw compatible readPastEnd: only raise the signal if its handled;
Claus Gittinger <cg@exept.de>
parents:
3084
diff
changeset
|
477 |
]. |
13380 | 478 |
shouldSignalAtEnd == false ifTrue:[ |
8515 | 479 |
"never raise ..." |
480 |
^ nil |
|
1401 | 481 |
]. |
482 |
||
8992
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
483 |
"EndOfStreamNotification is ignored, if there is no handler. |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
484 |
In this case, nil is returned" |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
485 |
|
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
486 |
^ EndOfStreamNotification raiseRequestFrom:self |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
487 |
|
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
488 |
|
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
489 |
" ... no handler, no raise |
3591 | 490 |
|s| |
491 |
||
492 |
s := '12' readStream. |
|
493 |
Transcript showCR:s next. |
|
494 |
Transcript showCR:s next. |
|
495 |
Transcript showCR:s next. |
|
496 |
Transcript showCR:s next. |
|
497 |
" |
|
498 |
||
499 |
"... raise error if handled. |
|
500 |
|s| |
|
501 |
||
502 |
s := '12' readStream. |
|
8992
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
503 |
EndOfStreamNotification handle:[:ex | |
8515 | 504 |
Transcript showCR:'end reached'. |
505 |
ex return |
|
3591 | 506 |
] do:[ |
8515 | 507 |
Transcript showCR:s next. |
508 |
Transcript showCR:s next. |
|
509 |
Transcript showCR:s next. |
|
510 |
Transcript showCR:s next. |
|
3591 | 511 |
] |
512 |
" |
|
3104
4b817b05cde0
vw compatible readPastEnd: only raise the signal if its handled;
Claus Gittinger <cg@exept.de>
parents:
3084
diff
changeset
|
513 |
|
3591 | 514 |
"force raise (useful for debugging): |
515 |
|s| |
|
516 |
||
517 |
s := '12' readStream. |
|
518 |
s signalAtEnd:true. |
|
519 |
Transcript showCR:s next. |
|
520 |
Transcript showCR:s next. |
|
521 |
Transcript showCR:s next. |
|
522 |
Transcript showCR:s next. |
|
523 |
" |
|
524 |
||
525 |
||
526 |
"force no-raise (useful for compatibility with other systems): |
|
527 |
|s| |
|
528 |
||
529 |
s := '12' readStream. |
|
530 |
s signalAtEnd:false. |
|
531 |
Stream endOfStreamSignal handle:[:ex | |
|
8515 | 532 |
Transcript showCR:'end reached'. |
533 |
ex return |
|
3591 | 534 |
] do:[ |
8515 | 535 |
Transcript showCR:s next. |
536 |
Transcript showCR:s next. |
|
537 |
Transcript showCR:s next. |
|
538 |
Transcript showCR:s next. |
|
3591 | 539 |
] |
540 |
" |
|
541 |
||
542 |
"Modified: / 16.6.1998 / 16:04:13 / cg" |
|
1401 | 543 |
! ! |
544 |
||
611 | 545 |
!Stream methodsFor:'misc'! |
546 |
||
547 |
binary |
|
1402
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
Claus Gittinger <cg@exept.de>
parents:
1401
diff
changeset
|
548 |
"switch to binary mode. In binary mode, reading of text streams |
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
Claus Gittinger <cg@exept.de>
parents:
1401
diff
changeset
|
549 |
returns byte-valued integers instead of characters; writing expects |
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
Claus Gittinger <cg@exept.de>
parents:
1401
diff
changeset
|
550 |
byte-valued integers respectively. |
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
Claus Gittinger <cg@exept.de>
parents:
1401
diff
changeset
|
551 |
Ignored here, but added to make internalStreams protocol compatible |
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
Claus Gittinger <cg@exept.de>
parents:
1401
diff
changeset
|
552 |
with externalStreams." |
611 | 553 |
|
1402
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
Claus Gittinger <cg@exept.de>
parents:
1401
diff
changeset
|
554 |
"Modified: 15.5.1996 / 17:38:36 / cg" |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
555 |
! |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
556 |
|
7497
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
557 |
blocking:aBoolean |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
558 |
"set non-blocking mode. |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
559 |
Ignored, since internal streams never block" |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
560 |
|
7498
9637184b10fe
ExternalStream>>blocking: returns previous blocking status
Stefan Vogel <sv@exept.de>
parents:
7497
diff
changeset
|
561 |
^ false. |
7497
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
562 |
! |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
563 |
|
8507
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
564 |
eolMode:aSymbol |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
565 |
"Ignored here, but added to make internalStreams protocol compatible |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
566 |
with externalStreams." |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
567 |
! |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
568 |
|
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
569 |
lineEndCRLF |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
570 |
"Ignored here, but added to make internalStreams protocol compatible |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
571 |
with externalStreams." |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
572 |
! |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
573 |
|
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
574 |
lineEndTransparent |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
575 |
"Ignored here, but added to make internalStreams protocol compatible |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
576 |
with externalStreams." |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
577 |
! |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
578 |
|
14434 | 579 |
stream |
580 |
"for compatibility with encodedStream" |
|
581 |
||
582 |
^ self |
|
583 |
! |
|
584 |
||
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
585 |
text |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
586 |
"switch to text mode. |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
587 |
Ignored here, but added to make internalStreams protocol compatible |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
588 |
with externalStreams." |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
589 |
|
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
590 |
"Modified: 15.5.1996 / 17:38:36 / cg" |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
591 |
"Created: 13.9.1996 / 18:33:26 / cg" |
611 | 592 |
! ! |
593 |
||
8768 | 594 |
!Stream methodsFor:'misc functions'! |
595 |
||
9001 | 596 |
copy:numberOfBytes into:outStream bufferSize:bufferSize |
597 |
"read from the receiver, and write all data up to count or the end to another stream. |
|
598 |
Return the number of bytes which have been transferred" |
|
599 |
||
600 |
|bufferSpecies buffer bytesWritten readCount writeCount count freeBuffer remaining| |
|
601 |
||
602 |
bytesWritten := 0. |
|
603 |
bufferSpecies := self contentsSpecies. |
|
604 |
bufferSpecies == ByteArray ifTrue:[ |
|
605 |
buffer:= ExternalBytes unprotectedNew:bufferSize. |
|
606 |
freeBuffer := true. |
|
607 |
] ifFalse:[ |
|
608 |
buffer := self contentsSpecies new:bufferSize. |
|
609 |
freeBuffer := false. |
|
610 |
]. |
|
611 |
||
612 |
remaining := numberOfBytes. |
|
613 |
"Note: atEnd will block if reading from an empty pipe or socket" |
|
614 |
[remaining ~~ 0 and:[self atEnd]] whileFalse:[ |
|
615 |
readCount := self nextAvailableBytes:(bufferSize min:remaining) into:buffer startingAt:1. |
|
616 |
readCount > 0 ifTrue:[ |
|
617 |
writeCount := 0. |
|
618 |
[ |
|
619 |
count := outStream nextPutBytes:readCount-writeCount |
|
620 |
from:buffer |
|
621 |
startingAt:writeCount+1. |
|
622 |
bytesWritten := bytesWritten + count. |
|
623 |
writeCount := writeCount + count. |
|
624 |
writeCount < readCount ifTrue:[ |
|
625 |
outStream writeWait. |
|
626 |
true. |
|
627 |
] ifFalse:[ |
|
628 |
false |
|
629 |
]. |
|
630 |
] whileTrue. |
|
631 |
remaining := remaining - writeCount. |
|
632 |
]. |
|
633 |
]. |
|
634 |
freeBuffer ifTrue:[ buffer free ]. |
|
635 |
^ bytesWritten |
|
636 |
||
637 |
" |
|
638 |
'hello world' readStream copyToEndInto:'/tmp/mist' asFilename writeStream. |
|
639 |
'hello world' readStream copyToEndInto:#[] writeStream. |
|
640 |
('/tmp/mist' asFilename readStream binary; yourself) copyToEndInto:#[] writeStream |
|
641 |
#[1 2 3 4 5 6 7] readStream copyToEndInto:'/tmp/mist' asFilename writeStream. |
|
642 |
#[1 2 3 4 5 6 7] readStream copyToEndInto:'' writeStream. |
|
643 |
||
644 |
" |
|
645 |
! |
|
646 |
||
11745 | 647 |
copyToEndFrom:inStream |
648 |
"read from inStream, and write all data up to the end to the receiver. |
|
649 |
Return the number of bytes which have been transferred. |
|
650 |
Same functionality as copyToEnd:, but reversed arg and receiver |
|
651 |
(useful in a cascade message of the writeStream)" |
|
652 |
||
653 |
^ inStream copyToEndInto:self |
|
654 |
! |
|
655 |
||
8768 | 656 |
copyToEndInto:outStream |
657 |
"read from the receiver, and write all data up to the end to another stream. |
|
658 |
Return the number of bytes which have been transferred" |
|
659 |
||
660 |
^ self copyToEndInto:outStream bufferSize:(128*1024) |
|
661 |
||
662 |
"/ data rate to USB2.0 stick (Win32): |
|
663 |
"/ 120 KB/s 8Kb SingleBuffer |
|
664 |
"/ 741 KB/s 64Kb SingleBuffer |
|
665 |
"/ 1345 KB/s 128Kb SingleBuffer |
|
666 |
"/ 2087 KB/s 256Kb SingleBuffer |
|
667 |
"/ 3573 KB/s 1024Kb SingleBuffer |
|
668 |
||
669 |
"/|t retVal| |
|
670 |
"/ |
|
671 |
"/t := Time millisecondsToRun:[ |
|
672 |
"/ retVal := self copyToEndInto:outStream bufferSize:(64*1024). |
|
673 |
"/]. |
|
674 |
"/ |
|
675 |
"/Transcript showCR:('%1 KB copied in %2s (%3 KB/s)' |
|
676 |
"/ bindWith:((retVal/1024)asFixedPoint:2) |
|
677 |
"/ with:((t/1000)asFixedPoint:2) |
|
678 |
"/ with:((retVal/1024/(t/1000))asFixedPoint:2)). |
|
679 |
"/^ retVal. |
|
680 |
"/ |
|
681 |
! |
|
682 |
||
683 |
copyToEndInto:outStream bufferSize:bufferSize |
|
684 |
"read from the receiver, and write all data up to the end to another stream. |
|
685 |
Return the number of bytes which have been transferred" |
|
686 |
||
687 |
|bufferSpecies buffer bytesWritten readCount writeCount count freeBuffer| |
|
688 |
||
689 |
bytesWritten := 0. |
|
690 |
bufferSpecies := self contentsSpecies. |
|
691 |
bufferSpecies == ByteArray ifTrue:[ |
|
692 |
buffer:= ExternalBytes unprotectedNew:bufferSize. |
|
693 |
freeBuffer := true. |
|
694 |
] ifFalse:[ |
|
695 |
buffer := self contentsSpecies new:bufferSize. |
|
696 |
freeBuffer := false. |
|
697 |
]. |
|
698 |
||
16486 | 699 |
"read loop: read until end of stream" |
700 |
[ |
|
8768 | 701 |
readCount := self nextAvailableBytes:bufferSize into:buffer startingAt:1. |
702 |
readCount > 0 ifTrue:[ |
|
703 |
writeCount := 0. |
|
16486 | 704 |
"write loop: write until all is written" |
8768 | 705 |
[ |
706 |
count := outStream nextPutBytes:readCount-writeCount |
|
707 |
from:buffer |
|
708 |
startingAt:writeCount+1. |
|
709 |
bytesWritten := bytesWritten + count. |
|
710 |
writeCount := writeCount + count. |
|
711 |
writeCount < readCount ifTrue:[ |
|
712 |
outStream writeWait. |
|
713 |
true. |
|
714 |
] ifFalse:[ |
|
715 |
false |
|
716 |
]. |
|
717 |
] whileTrue. |
|
16486 | 718 |
]. |
719 |
"Note: atEnd will block if reading from an empty pipe or socket. |
|
720 |
avoid atEnd if possible, because it reads a single byte." |
|
721 |
readCount ~~ 0 or:[self atEnd not] |
|
722 |
] whileTrue. |
|
723 |
||
8768 | 724 |
freeBuffer ifTrue:[ buffer free ]. |
725 |
^ bytesWritten |
|
726 |
||
727 |
" |
|
728 |
'hello world' readStream copyToEndInto:'/tmp/mist' asFilename writeStream. |
|
729 |
'hello world' readStream copyToEndInto:#[] writeStream. |
|
730 |
('/tmp/mist' asFilename readStream binary; yourself) copyToEndInto:#[] writeStream |
|
731 |
#[1 2 3 4 5 6 7] readStream copyToEndInto:'/tmp/mist' asFilename writeStream. |
|
732 |
#[1 2 3 4 5 6 7] readStream copyToEndInto:'' writeStream. |
|
733 |
||
734 |
" |
|
735 |
! ! |
|
736 |
||
611 | 737 |
!Stream methodsFor:'non homogenous reading'! |
738 |
||
7497
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
739 |
nextAvailableBytes:numBytes into:aCollection startingAt:initialIndex |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
740 |
"for compatibility with ExternalStream" |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
741 |
|
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
742 |
^ self nextBytes:numBytes into:aCollection startingAt:initialIndex |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
743 |
! |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
744 |
|
8988
2e82cf20dbbd
define #nextByte as subclassResponsibility
Stefan Vogel <sv@exept.de>
parents:
8970
diff
changeset
|
745 |
nextByte |
2e82cf20dbbd
define #nextByte as subclassResponsibility
Stefan Vogel <sv@exept.de>
parents:
8970
diff
changeset
|
746 |
"return the next byte of the stream |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
747 |
- we do not know here how to do it, it should be redefined in subclass" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
748 |
|
15839 | 749 |
^ self next asInteger |
8988
2e82cf20dbbd
define #nextByte as subclassResponsibility
Stefan Vogel <sv@exept.de>
parents:
8970
diff
changeset
|
750 |
! |
2e82cf20dbbd
define #nextByte as subclassResponsibility
Stefan Vogel <sv@exept.de>
parents:
8970
diff
changeset
|
751 |
|
2714 | 752 |
nextBytes:count |
11249 | 753 |
"read the next count bytes and return it as a byteArray. |
754 |
If EOF is encountered while reading, a truncated byteArray is returned. |
|
755 |
If EOF is already reached before the first byte can be read, |
|
15839 | 756 |
an error is raised." |
2714 | 757 |
|
758 |
|data n| |
|
759 |
||
7187 | 760 |
data := ByteArray uninitializedNew:count. |
2714 | 761 |
n := self nextBytes:count into:data startingAt:1. |
762 |
n ~~ count ifTrue:[ |
|
7187 | 763 |
n == 0 ifTrue:[ |
15839 | 764 |
^ self pastEndRead. |
7187 | 765 |
]. |
766 |
data := data copyTo:n |
|
2714 | 767 |
]. |
768 |
^ data |
|
769 |
||
3346 | 770 |
"Created: / 21.6.1997 / 11:18:57 / cg" |
771 |
"Modified: / 30.3.1998 / 18:04:58 / cg" |
|
2714 | 772 |
! |
773 |
||
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
774 |
nextBytes:count into:anObject |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
775 |
"read the next count bytes into an object and return the number of |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
776 |
bytes read. On EOF, 0 is returned. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
777 |
If the receiver is some socket/pipe-like stream, an exception |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
778 |
is raised if the connection is broken. |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
779 |
|
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
780 |
The object must have non-pointer indexed instvars (i.e. it must be |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
781 |
a ByteArray, String, Float- or DoubleArray). |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
782 |
If anObject is a string or byteArray and reused, this provides the |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
783 |
fastest possible physical I/O (since no new objects are allocated). |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
784 |
|
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
785 |
Use with care - non object oriented i/o. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
786 |
Warning: in general, you cannot use this method to pass data from other |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
787 |
architectures since it does not care for byte order or float representation." |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
788 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
789 |
^ self nextBytes:count into:anObject startingAt:1 |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
790 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
791 |
"Modified: 22.4.1997 / 10:41:39 / cg" |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
792 |
! |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
793 |
|
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
794 |
nextBytes:numBytes into:aCollection startingAt:initialIndex |
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
795 |
"return the next numBytes from the stream. If the end is |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
796 |
reached before, only that many bytes are copyied into the |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
797 |
collection. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
798 |
Returns the number of bytes that have been actually read. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
799 |
The receiver must support reading of binary bytes. |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
800 |
|
9001 | 801 |
Notice: this method is provided here for protocol completeness |
7506 | 802 |
with externalStreams - it is normally not used with other |
803 |
streams." |
|
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
804 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
805 |
|n "{Class: SmallInteger }" |
15839 | 806 |
dstIndex| |
807 |
||
808 |
numBytes == 0 ifTrue:[ |
|
809 |
^ 0. |
|
810 |
]. |
|
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
811 |
|
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
812 |
dstIndex := initialIndex. |
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
813 |
n := 0. |
7506 | 814 |
|
8815 | 815 |
[self atEnd] whileFalse:[ |
15839 | 816 |
aCollection byteAt:dstIndex put:self nextByte. |
817 |
n := n + 1. |
|
8815 | 818 |
n == numBytes ifTrue:[ |
819 |
^ n |
|
7506 | 820 |
]. |
8815 | 821 |
dstIndex := dstIndex + 1. |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
822 |
]. |
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
823 |
^ n |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
824 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
825 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
826 |
|s n buffer| |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
827 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
828 |
buffer := ByteArray new:10. |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
829 |
|
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
830 |
s := ReadStream on:#[1 2 3 4 5 6 7 8 9]. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
831 |
s next:3. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
832 |
n := s nextBytes:9 into:buffer startingAt:1. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
833 |
Transcript showCR:('n = %1; buffer = <%2>' bindWith:n with:buffer) |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
834 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
835 |
|
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
836 |
"Modified: 22.4.1997 / 10:43:08 / cg" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
837 |
! |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
838 |
|
2587 | 839 |
nextBytes:numBytes into:aCollection startingAt:initialIndex blockSize:blockSize |
840 |
"like nextBytes:into:startingAt:, but read in blocks of the given size. |
|
841 |
This leads to better beahvior when reading large chunks from a slow device, |
|
842 |
such as a cdrom drive (since a single unix-read is not interruptable)." |
|
843 |
||
844 |
|nR oR n| |
|
845 |
||
846 |
nR := numBytes. |
|
847 |
oR := initialIndex. |
|
848 |
[nR > 0] whileTrue:[ |
|
3154 | 849 |
n := nR. |
850 |
n > blockSize ifTrue:[n := blockSize]. |
|
851 |
n := self nextBytes:n into:aCollection startingAt:oR. |
|
852 |
n == 0 ifTrue:[ |
|
853 |
^ numBytes - nR |
|
854 |
]. |
|
855 |
oR := oR + n. |
|
856 |
nR := nR - n |
|
2587 | 857 |
]. |
858 |
^ numBytes |
|
859 |
||
860 |
"Created: 24.4.1997 / 21:09:34 / cg" |
|
861 |
"Modified: 24.4.1997 / 21:19:50 / cg" |
|
862 |
! |
|
863 |
||
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
864 |
nextBytesInto:anObject |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
865 |
"read bytes into an object, regardless of binary/text mode. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
866 |
The number of bytes to read is defined by the objects size. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
867 |
Return the number of bytes read. On EOF, 0 is returned. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
868 |
If the receiver is some socket/pipe-like stream, an exception |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
869 |
is raised if the connection is broken. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
870 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
871 |
The object to read into must have non-pointer indexed instvars |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
872 |
(i.e. it must be a ByteArray, String, Float- or DoubleArray). |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
873 |
If anObject is a string or byteArray and reused, this provides the |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
874 |
fastest possible physical I/O (since no new objects are allocated). |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
875 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
876 |
Use with care - non object oriented i/o. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
877 |
Warning: in general, you cannot use this method to pass data from other |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
878 |
architectures since it does not care for byte order or float representation." |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
879 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
880 |
^ self nextBytes:(anObject byteSize) into:anObject startingAt:1 |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
881 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
882 |
" to read 100 bytes from a stream: |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
883 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
884 |
|b aStream| |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
885 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
886 |
aStream := 'smalltalk.rc' asFilename readStream. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
887 |
b := ByteArray new:100. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
888 |
aStream nextBytesInto:b. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
889 |
aStream close. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
890 |
b inspect |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
891 |
" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
892 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
893 |
" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
894 |
|s aStream| |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
895 |
aStream := 'smalltalk.rc' asFilename readStream. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
896 |
s := String new:100. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
897 |
aStream nextBytesInto:s. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
898 |
aStream close. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
899 |
s inspect |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
900 |
" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
901 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
902 |
"Modified: 22.4.1997 / 10:42:02 / cg" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
903 |
"Created: 22.4.1997 / 10:42:26 / cg" |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
904 |
! |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
905 |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
906 |
nextHyperMSB:msbFlag |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
907 |
"return a signed hyper (8 bytes) from the stream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
908 |
The receiver must support reading of binary bytes. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
909 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
910 |
The msbFlag argument controls if the integer is to be read with |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
911 |
most-significant-byte-first (true) or least-first (false). |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
912 |
This interface is provided to allow talking to external programs, |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
913 |
where its known that the byte order is some definite one. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
914 |
If you dont care (i.e. talk to other smalltalks) or you can control the |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
915 |
order, please use the corresponding xxxNet methods, which use a standard |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
916 |
network byte order." |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
917 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
918 |
|uval| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
919 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
920 |
uval := self nextUnsignedHyperMSB:msbFlag. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
921 |
"change from unsigned 0..FF..FF to signed -80..00..7FF..FF" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
922 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
923 |
uval >= 16r8000000000000000 ifTrue:[ |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
924 |
^ uval - 16r10000000000000000 |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
925 |
]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
926 |
^ uval |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
927 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
928 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
929 |
|bytes s| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
930 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
931 |
bytes := #[16rFF 16rFF 16rFF 16rFF 16rFF 16rFF 16rFF 16rFF]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
932 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
933 |
Transcript showCR:(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
934 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
935 |
Transcript showCR:(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
936 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
937 |
bytes := #[16r10 16r00 16r00 16r00 16r00 16r00 16r00 16r00]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
938 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
939 |
Transcript showCR:(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
940 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
941 |
Transcript showCR:(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
942 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
943 |
bytes := #[16r12 16r34 16r56 16r78 16r9a 16rbc 16rde 16rf0]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
944 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
945 |
Transcript showCR:(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
946 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
947 |
Transcript showCR:(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
948 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
949 |
bytes := #[16rFe 16rdc 16rba 16r98 16r76 16r54 16r32 16r10]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
950 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
951 |
Transcript showCR:(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
952 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
953 |
Transcript showCR:(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
954 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
955 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
956 |
"Modified: / 14.1.1998 / 15:40:41 / cg" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
957 |
! |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
958 |
|
11616
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
959 |
nextIEEEDouble |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
960 |
"read an 8-byte IEEE double precision float number" |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
961 |
|
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
962 |
^ Float readBinaryIEEEDoubleFrom:self |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
963 |
! |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
964 |
|
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
965 |
nextIEEESingle |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
966 |
"read a 4-byte IEEE single precision float number" |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
967 |
|
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
968 |
^ ShortFloat readBinaryIEEESingleFrom:self |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
969 |
! |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
970 |
|
611 | 971 |
nextLongMSB:msbFlag |
972 |
"return a signed long (4 bytes) from the stream. |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
973 |
The receiver must support reading of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
974 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
975 |
The msbFlag argument controls if the integer is to be read with |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
976 |
most-significant-byte-first (true) or least-first (false). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
977 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
978 |
where its known that the byte order is some definite one. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
979 |
If you dont care (i.e. talk to other smalltalks) or you can control the |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
980 |
order, please use the corresponding xxxNet methods, which use a standard |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
981 |
network byte order." |
611 | 982 |
|
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
983 |
|b1 b2 b3 b4 uval "{ Class: SmallInteger }" val| |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
984 |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
985 |
b1 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
986 |
b2 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
987 |
b3 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
988 |
b4 := self nextByte. |
611 | 989 |
|
990 |
msbFlag ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
991 |
"most significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
992 |
uval := (b1 bitShift:8) bitOr:b2. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
993 |
uval := (uval bitShift:8) bitOr:b3. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
994 |
val := (uval bitShift:8) bitOr:b4. |
611 | 995 |
] ifFalse:[ |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
996 |
"least significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
997 |
uval := (b4 bitShift:8) bitOr:b3. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
998 |
uval := (uval bitShift:8) bitOr:b2. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
999 |
val := (uval bitShift:8) bitOr:b1. |
611 | 1000 |
]. |
1001 |
"change from unsigned 0..FFFFFFFF to signed -80000000..7FFFFFFF" |
|
1002 |
||
3176 | 1003 |
val >= 16r80000000 ifTrue:[ |
1004 |
^ val - 16r100000000 |
|
1005 |
]. |
|
1006 |
^ val |
|
1007 |
||
1008 |
" |
|
1009 |
|bytes s| |
|
1010 |
||
1011 |
bytes := #[16rFF 16rFF 16rFF 16rFF]. |
|
1012 |
s := bytes readStream. |
|
1013 |
Transcript showCR:(s nextLongMSB:true). |
|
1014 |
s reset. |
|
1015 |
Transcript showCR:(s nextLongMSB:false). |
|
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1016 |
|
3176 | 1017 |
bytes := #[16r12 16r34 16r56 16r78]. |
1018 |
s := bytes readStream. |
|
1019 |
Transcript showCR:(s nextLongMSB:true). |
|
1020 |
s reset. |
|
1021 |
Transcript showCR:(s nextLongMSB:false). |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1022 |
|
3176 | 1023 |
bytes := #[16r89 16rab 16rcd 16ref]. |
1024 |
s := bytes readStream. |
|
1025 |
Transcript showCR:(s nextLongMSB:true). |
|
1026 |
s reset. |
|
1027 |
Transcript showCR:(s nextLongMSB:false). |
|
1028 |
" |
|
1029 |
||
1030 |
"Modified: / 14.1.1998 / 15:40:41 / cg" |
|
611 | 1031 |
! |
1032 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1033 |
nextLongNet |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1034 |
"return a signed long (4 bytes) in network byte order from the stream. |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1035 |
The receiver must support reading of binary bytes." |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1036 |
|
8894
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1037 |
^ self nextLongMSB:true |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1038 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1039 |
"Created: 10.1.1996 / 19:49:28 / cg" |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1040 |
! |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1041 |
|
12129 | 1042 |
nextNumber:numBytes |
611 | 1043 |
"Return the next n bytes as a positive Integer; bytes are taken msb-first." |
1044 |
||
12129 | 1045 |
^ self nextUnsigned:numBytes MSB:true |
611 | 1046 |
! |
1047 |
||
1048 |
nextShortMSB:msbFlag |
|
1049 |
"return a signed short (2 bytes) from the stream. |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1050 |
The receiver must support reading of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1051 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1052 |
The msbFlag argument controls if the integer is to be read with |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1053 |
most-significant-byte-first (true) or least-first (false). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1054 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1055 |
where its known that the byte order is some definite one. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1056 |
If you dont care (i.e. talk to other smalltalks) or you can control the |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1057 |
order, please use the corresponding xxxNet methods, which use a standard |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1058 |
network byte order." |
611 | 1059 |
|
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1060 |
|b1 b2 uval "{ Class: SmallInteger }"| |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1061 |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1062 |
b1 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1063 |
b2 := self nextByte. |
611 | 1064 |
|
1065 |
msbFlag ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1066 |
"most significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1067 |
uval := b1 bitShift:8. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1068 |
uval := uval bitOr:b2. |
611 | 1069 |
] ifFalse:[ |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1070 |
"least significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1071 |
uval := b2 bitShift:8. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1072 |
uval := uval bitOr:b1. |
611 | 1073 |
]. |
1074 |
"change from unsigned 0..FFFF to signed -8000..7FFF" |
|
1075 |
uval >= 16r8000 ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1076 |
^ uval - 16r10000 |
611 | 1077 |
]. |
1078 |
^ uval |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1079 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1080 |
"Modified: 11.7.1996 / 10:07:04 / cg" |
611 | 1081 |
! |
1082 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1083 |
nextShortNet |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1084 |
"return a signed short (2 bytes) in network byte order from the stream. |
8894
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1085 |
The receiver must support reading of binary bytes. |
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1086 |
Network byte order is MSB per definition" |
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1087 |
|
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1088 |
^ self nextShortMSB:true |
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1089 |
|
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1090 |
"Created: 10.1.1996 / 19:49:41 / cg" |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1091 |
! |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1092 |
|
4588 | 1093 |
nextSignedByte |
1094 |
"return a signed byte (-128..127) from the stream. |
|
1095 |
The receiver must support reading of binary bytes." |
|
1096 |
||
1097 |
|uval "{ Class: SmallInteger }"| |
|
1098 |
||
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1099 |
uval := self nextByte. |
4588 | 1100 |
"change from unsigned 0..FF to signed -80..7F" |
1101 |
uval >= 16r80 ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1102 |
^ uval - 16r100 |
4588 | 1103 |
]. |
1104 |
^ uval |
|
1105 |
||
1106 |
" |
|
1107 |
#[16rFF 16r80 16r7F 16r01] readStream nextSignedByte |
|
1108 |
" |
|
1109 |
! |
|
1110 |
||
12129 | 1111 |
nextUnsigned:numBytes MSB:msbFlag |
1112 |
"return a numBytes-sized unsigned (numBytes bytes) from the stream as an Integer. |
|
1113 |
The receiver must support reading of binary bytes. |
|
1114 |
||
1115 |
The msbFlag argument controls if the integer is to be read with |
|
1116 |
most-significant-byte-first (true) or least-first (false). |
|
1117 |
This interface is provided to allow talking to external programs, |
|
1118 |
where its known that the byte order is some definite one. |
|
1119 |
If you dont care (i.e. talk to other smalltalks) or you can control the |
|
1120 |
order, please use the corresponding xxxNet methods, which use a standard |
|
1121 |
network byte order." |
|
1122 |
||
1123 |
|val shift| |
|
1124 |
||
1125 |
"claus: this method is central in binaryStorage - |
|
1126 |
therefore it has been tuned a bit (and needs even more tuning)" |
|
1127 |
||
1128 |
numBytes == 1 ifTrue:[ |
|
1129 |
^ self nextByte |
|
1130 |
]. |
|
1131 |
numBytes == 2 ifTrue:[ |
|
1132 |
^ self nextUnsignedShortMSB:msbFlag |
|
1133 |
]. |
|
1134 |
numBytes == 3 ifTrue:[ |
|
1135 |
val := self nextUnsignedShortMSB:msbFlag. |
|
1136 |
msbFlag ifTrue:[ |
|
1137 |
^ (val bitShift:8) + self nextByte |
|
1138 |
]. |
|
1139 |
^ val + (self nextByte bitShift:16) |
|
1140 |
]. |
|
1141 |
numBytes == 4 ifTrue:[ |
|
1142 |
^ self nextUnsignedLongMSB:msbFlag |
|
1143 |
]. |
|
1144 |
||
1145 |
val := 0. |
|
1146 |
msbFlag ifTrue:[ |
|
1147 |
numBytes timesRepeat:[ |
|
1148 |
val := (val bitShift:8) + self nextByte |
|
1149 |
]. |
|
1150 |
] ifFalse:[ |
|
1151 |
shift := 0. |
|
1152 |
numBytes timesRepeat:[ |
|
1153 |
val := val + (self nextByte bitShift:shift). |
|
1154 |
shift := shift + 8. |
|
1155 |
]. |
|
1156 |
]. |
|
1157 |
^ val |
|
1158 |
||
1159 |
" |
|
1160 |
|s| |
|
1161 |
||
1162 |
s := #[ 16r01 16r02 16r03 16r04 16r05 ] readStream. |
|
1163 |
(s nextUnsigned:3 MSB:true) hexPrintString. |
|
1164 |
||
1165 |
s := #[ 16r01 16r02 16r03 16r04 16r05 ] readStream. |
|
1166 |
(s nextUnsigned:3 MSB:false) hexPrintString. |
|
1167 |
" |
|
1168 |
! |
|
1169 |
||
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1170 |
nextUnsignedHyperMSB:msbFlag |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1171 |
"return an unsigned hyper (8 bytes) from the stream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1172 |
The receiver must support reading of binary bytes. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1173 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1174 |
The msbFlag argument controls if the integer is to be read with |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1175 |
most-significant-byte-first (true) or least-first (false). |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1176 |
This interface is provided to allow talking to external programs, |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1177 |
where its known that the byte order is some definite one. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1178 |
If you dont care (i.e. talk to other smalltalks) or you can control the |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1179 |
order, please use the corresponding xxxNet methods, which use a standard |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1180 |
network byte order." |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1181 |
|
6373
d6ffb0101dde
workaround bitShift-bitOr codeGenerator bug in stc
Claus Gittinger <cg@exept.de>
parents:
6360
diff
changeset
|
1182 |
|bytes uval t| |
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1183 |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1184 |
bytes := self nextBytes:8. |
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1185 |
uval := 0. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1186 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1187 |
msbFlag ifTrue:[ |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1188 |
"most significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1189 |
1 to:8 do:[:i | |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1190 |
t := (uval bitShift:8). |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1191 |
uval := t bitOr:(bytes at:i). |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1192 |
]. |
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1193 |
] ifFalse:[ |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1194 |
"least significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1195 |
8 to:1 by:-1 do:[:i | |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1196 |
t := (uval bitShift:8). |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1197 |
uval := t bitOr:(bytes at:i). |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1198 |
]. |
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1199 |
]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1200 |
^ uval |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1201 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1202 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1203 |
|bytes s| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1204 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1205 |
bytes := #[16rFF 16rFF 16rFF 16rFF 16rFF 16rFF 16rFF 16rFF]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1206 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1207 |
Transcript showCR:(s nextUnsignedHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1208 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1209 |
Transcript showCR:(s nextUnsignedHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1210 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1211 |
bytes := #[16r10 16r00 16r00 16r00 16r00 16r00 16r00 16r00]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1212 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1213 |
Transcript showCR:(s nextUnsignedHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1214 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1215 |
Transcript showCR:(s nextUnsignedHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1216 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1217 |
bytes := #[16r12 16r34 16r56 16r78 16r9a 16rbc 16rde 16rf0]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1218 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1219 |
Transcript showCR:(s nextUnsignedHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1220 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1221 |
Transcript showCR:(s nextUnsignedHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1222 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1223 |
bytes := #[16rFe 16rdc 16rba 16r98 16r76 16r54 16r32 16r10]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1224 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1225 |
Transcript showCR:(s nextUnsignedHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1226 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1227 |
Transcript showCR:(s nextUnsignedHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1228 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1229 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1230 |
"Modified: / 14.1.1998 / 15:40:41 / cg" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1231 |
! |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1232 |
|
611 | 1233 |
nextUnsignedLongMSB:msbFlag |
1234 |
"return an unsigned long (4 bytes) from the stream. |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1235 |
The receiver must support reading of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1236 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1237 |
The msbFlag argument controls if the integer is to be read with |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1238 |
most-significant-byte-first (true) or least-first (false). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1239 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1240 |
where its known that the byte order is some definite one. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1241 |
If you dont care (i.e. talk to other smalltalks) or you can control the |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1242 |
order, please use the corresponding xxxNet methods, which use a standard |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1243 |
network byte order." |
611 | 1244 |
|
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1245 |
|b1 b2 b3 b4 val| |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1246 |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1247 |
b1 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1248 |
b2 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1249 |
b3 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1250 |
b4 := self nextByte. |
611 | 1251 |
|
1252 |
msbFlag ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1253 |
val := b1. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1254 |
val := (val bitShift:8) bitOr:b2. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1255 |
val := (val bitShift:8) bitOr:b3. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1256 |
val := (val * 256) + b4. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1257 |
^ val |
611 | 1258 |
]. |
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1259 |
val := b4. |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1260 |
val := (val bitShift:8) bitOr:b3. |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1261 |
val := (val bitShift:8) bitOr:b2. |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1262 |
val := (val * 256) + b1. |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1263 |
^ val |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1264 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1265 |
"Modified: 11.7.1996 / 10:07:13 / cg" |
611 | 1266 |
! |
1267 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1268 |
nextUnsignedLongNet |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1269 |
"return an unsigned long (4 bytes) in network byte order from the stream. |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1270 |
The receiver must support reading of binary bytes." |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1271 |
|
8894
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1272 |
^ self nextUnsignedLongMSB:true |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1273 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1274 |
"Created: 10.1.1996 / 19:49:02 / cg" |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1275 |
"Modified: 10.1.1996 / 19:49:50 / cg" |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1276 |
! |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1277 |
|
611 | 1278 |
nextUnsignedShortMSB:msbFlag |
1279 |
"return an unsigned short (2 bytes) from the stream. |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1280 |
The receiver must support reading of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1281 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1282 |
The msbFlag argument controls if the integer is to be read with |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1283 |
most-significant-byte-first (true) or least-first (false). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1284 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1285 |
where its known that the byte order is some definite one. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1286 |
If you dont care (i.e. talk to other smalltalks) or you can control the |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1287 |
order, please use the corresponding xxxNet methods, which use a standard |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1288 |
network byte order." |
611 | 1289 |
|
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1290 |
|b1 b2| |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1291 |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1292 |
b1 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1293 |
b2 := self nextByte. |
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1294 |
|
611 | 1295 |
msbFlag ifTrue:[ |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1296 |
^ (b1 bitShift:8) bitOr:b2 |
611 | 1297 |
]. |
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1298 |
^ (b2 bitShift:8) bitOr:b1 |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1299 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1300 |
"Modified: 11.7.1996 / 10:07:20 / cg" |
611 | 1301 |
! |
1302 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1303 |
nextUnsignedShortNet |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1304 |
"return an unsigned short (2 bytes) in network byte order from the stream. |
8894
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1305 |
The receiver must support reading of binary bytes. |
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1306 |
Network byte order is MSB per definition" |
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1307 |
|
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1308 |
^ self nextUnsignedShortMSB:true |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1309 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1310 |
"Created: 10.1.1996 / 19:50:02 / cg" |
611 | 1311 |
! ! |
1312 |
||
1313 |
!Stream methodsFor:'non homogenous writing'! |
|
1314 |
||
1315 |
nextLongPut:aNumber |
|
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1316 |
"for ST-80 compatibility: |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1317 |
Write the argument, aNumber as a long (four bytes). |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1318 |
The most significant byte is sent first." |
611 | 1319 |
|
1320 |
^ self nextPutLong:aNumber MSB:true |
|
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1321 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1322 |
"Modified: 10.1.1996 / 19:38:54 / cg" |
611 | 1323 |
! |
1324 |
||
1325 |
nextNumber:n put:v |
|
1326 |
"Append to the receiver the argument, v, which is a positive Integer, |
|
1327 |
as the next n bytes. Bytes are written msb first. |
|
1328 |
Possibly pad with leading zeros. |
|
1329 |
The receiver must support writing of binary bytes." |
|
1330 |
||
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1331 |
|vlen "{ Class: SmallInteger }" |
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1332 |
i "{ Class: SmallInteger }"| |
611 | 1333 |
|
1334 |
"claus: this method is central in binaryStorage - |
|
1335 |
therefore it has been tuned a bit (and needs even more tuning)" |
|
1336 |
||
1337 |
v class == SmallInteger ifTrue:[ "- this is a hint to stc" |
|
9407 | 1338 |
n == 1 ifTrue:[ |
1339 |
(v between:0 and:16rFF) ifTrue:[ |
|
1340 |
self nextPutByte:v. |
|
1341 |
^ self |
|
1342 |
]. |
|
1343 |
]. |
|
1344 |
n == 2 ifTrue:[ |
|
1345 |
(v between:0 and:16rFFFF) ifTrue:[ |
|
1346 |
self nextPutByte:(v bitShift:-8); nextPutByte:(v bitAnd:16rFF). |
|
1347 |
^ self |
|
1348 |
]. |
|
1349 |
]. |
|
1350 |
n == 3 ifTrue:[ |
|
1351 |
(v between:0 and:16rFFFFFF) ifTrue:[ |
|
1352 |
self nextPutByte:((v bitShift:-16) bitAnd:16rFF). |
|
1353 |
self nextPutByte:((v bitShift:-8) bitAnd:16rFF). |
|
1354 |
self nextPutByte:(v bitAnd:16rFF). |
|
1355 |
^ self |
|
1356 |
]. |
|
1357 |
]. |
|
1358 |
n == 4 ifTrue:[ |
|
1359 |
(v >= 0) ifTrue:[ |
|
1360 |
self nextPutByte:((v bitShift:-24) bitAnd:16rFF). |
|
1361 |
self nextPutByte:((v bitShift:-16) bitAnd:16rFF). |
|
1362 |
self nextPutByte:((v bitShift:-8) bitAnd:16rFF). |
|
1363 |
self nextPutByte:(v bitAnd:16rFF). |
|
1364 |
^ self |
|
1365 |
]. |
|
1366 |
]. |
|
611 | 1367 |
]. |
1368 |
||
1369 |
" |
|
1370 |
arbitrary long |
|
1371 |
" |
|
1372 |
n < (vlen := v digitLength) ifTrue: [ |
|
9407 | 1373 |
" |
1374 |
the number is too big to be repesented in n bytes |
|
1375 |
" |
|
1376 |
self error:'number too big' |
|
611 | 1377 |
]. |
1378 |
||
1379 |
"pad with leading zeros" |
|
1380 |
i := n. |
|
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1381 |
[i > vlen] whileTrue:[ |
9407 | 1382 |
self nextPutByte:0. |
1383 |
i := i - 1 |
|
611 | 1384 |
]. |
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1385 |
|
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1386 |
i == 1 ifTrue:[ |
9407 | 1387 |
^ self nextPutByte:v |
611 | 1388 |
]. |
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1389 |
|
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1390 |
[i > 0] whileTrue:[ |
9407 | 1391 |
self nextPutByte:(v digitAt:i). |
1392 |
i := i - 1 |
|
611 | 1393 |
] |
9407 | 1394 |
|
1395 |
"Modified: / 22-06-2006 / 11:31:13 / fm" |
|
611 | 1396 |
! |
1397 |
||
15654 | 1398 |
nextPutAllUtf16:aString |
1399 |
"write a string as UTF-16 bytes" |
|
1400 |
||
1401 |
aString do:[:eachCharacter| |
|
1402 |
self nextPutUtf16:eachCharacter. |
|
1403 |
]. |
|
1404 |
! |
|
1405 |
||
11322 | 1406 |
nextPutAllUtf8:aString |
1407 |
"normal streams can not handle multi-byte characters, so convert them to utf8" |
|
1408 |
||
1409 |
aString do:[:eachCharacter| |
|
1410 |
self nextPutUtf8:eachCharacter. |
|
1411 |
]. |
|
1412 |
! |
|
1413 |
||
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1414 |
nextPutByte:aByteValue |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1415 |
"write a byte. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1416 |
Same as nextPut: here; for protocol compatibility with externalStream." |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1417 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1418 |
self nextPut:aByteValue |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1419 |
|
9407 | 1420 |
"Created: / 22-04-1997 / 10:43:55 / cg" |
1421 |
"Modified: / 23-06-2006 / 12:19:47 / fm" |
|
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1422 |
! |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1423 |
|
12093 | 1424 |
nextPutBytes:anObject |
1425 |
"write bytes from an object; the number of bytes is defined by |
|
1426 |
the objects size. |
|
1427 |
Return the number of bytes written or nil on error. |
|
1428 |
The object must have non-pointer indexed instvars |
|
1429 |
(i.e. be a ByteArray, String, Float- or DoubleArray). |
|
1430 |
Use with care - non object oriented i/o. |
|
1431 |
Warning: in general, you cannot use this method to pass non-byte data to other |
|
1432 |
architectures since it does not care for byte order or float representation." |
|
1433 |
||
1434 |
^ self nextPutBytes:(anObject size) from:anObject startingAt:1 |
|
1435 |
||
1436 |
"Created: 22.4.1997 / 10:44:18 / cg" |
|
1437 |
! |
|
1438 |
||
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1439 |
nextPutBytes:count from:anObject |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1440 |
"write count bytes from an object. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1441 |
Return the number of bytes written or nil on error. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1442 |
The object must have non-pointer indexed instvars |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1443 |
(i.e. be a ByteArray, String, Float- or DoubleArray). |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1444 |
Use with care - non object oriented i/o. |
12093 | 1445 |
Warning: in general, you cannot use this method to pass non-byte data to other |
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1446 |
architectures since it does not care for byte order or float representation." |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1447 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1448 |
^ self nextPutBytes:count from:anObject startingAt:1 |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1449 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1450 |
"Created: 22.4.1997 / 10:43:59 / cg" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1451 |
! |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1452 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1453 |
nextPutBytes:count from:anObject startingAt:start |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1454 |
"write count bytes from an object starting at index start. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1455 |
Return the number of bytes written. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1456 |
The object must have non-pointer indexed instvars |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1457 |
(i.e. be a ByteArray, String, Float- or DoubleArray). |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1458 |
Use with care - non object oriented i/o. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1459 |
This is provided for compatibility with externalStream; |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1460 |
to support binary storage" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1461 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1462 |
|idx| |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1463 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1464 |
idx := start. |
7506 | 1465 |
self isBinary ifTrue:[ |
1466 |
1 to:count do:[:i | |
|
1467 |
self nextPutByte:(anObject byteAt:idx). |
|
1468 |
idx := idx + 1 |
|
1469 |
]. |
|
1470 |
] ifFalse:[ |
|
1471 |
1 to:count do:[:i | |
|
1472 |
self nextPut:(anObject at:idx). |
|
1473 |
idx := idx + 1 |
|
1474 |
]. |
|
1475 |
]. |
|
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1476 |
^ count |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1477 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1478 |
"Created: 22.4.1997 / 10:44:09 / cg" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1479 |
! |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1480 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1481 |
nextPutBytesFrom:anObject |
12093 | 1482 |
"write bytes from an object; the number of bytes is defined by the objects size. |
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1483 |
Return the number of bytes written or nil on error. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1484 |
The object must have non-pointer indexed instvars |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1485 |
(i.e. be a ByteArray, String, Float- or DoubleArray). |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1486 |
Use with care - non object oriented i/o. |
12093 | 1487 |
Warning: in general, you cannot use this method to pass non-byte data to other |
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1488 |
architectures since it does not care for byte order or float representation." |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1489 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1490 |
^ self nextPutBytes:(anObject size) from:anObject startingAt:1 |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1491 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1492 |
"Created: 22.4.1997 / 10:44:18 / cg" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1493 |
! |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1494 |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1495 |
nextPutHyper:aNumber MSB:msbFlag |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1496 |
"Write the argument, aNumber as a hyper (8 bytes). |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1497 |
If msbFlag is true, data is written most-significant byte first; |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1498 |
otherwise least first. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1499 |
Returns the receiver on ok, nil on error. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1500 |
The receiver must support writing of binary bytes. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1501 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1502 |
This interface is provided to allow talking to external programs, |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1503 |
where its known that the byte order is some definite one. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1504 |
If you dont care (i.e. talk to other smalltalks) or you can control the |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1505 |
order, please use the corresponding xxxNet methods, which use a standard |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1506 |
network byte order." |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1507 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1508 |
msbFlag ifTrue:[ |
9407 | 1509 |
1 to:8 do:[:i | |
1510 |
self nextPutByte:(aNumber digitByteAt:8+1-i) |
|
1511 |
]. |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1512 |
] ifFalse:[ |
9407 | 1513 |
1 to:8 do:[:i | |
1514 |
self nextPutByte:(aNumber digitByteAt:i) |
|
1515 |
]. |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1516 |
]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1517 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1518 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1519 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1520 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1521 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1522 |
s nextPutHyper:16r123456789abcdef0 MSB:false. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1523 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1524 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1525 |
(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1526 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1527 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1528 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1529 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1530 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1531 |
s nextPutHyper:16r123456789abcdef0 MSB:true. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1532 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1533 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1534 |
(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1535 |
. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1536 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1537 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1538 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1539 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1540 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1541 |
s nextPutHyper:16r-8000000000000000 MSB:true. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1542 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1543 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1544 |
(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1545 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1546 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1547 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1548 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1549 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1550 |
s nextPutHyper:16r-8000000000000000 MSB:false. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1551 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1552 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1553 |
(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1554 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1555 |
|
9407 | 1556 |
"Modified: / 01-11-1997 / 18:30:52 / cg" |
1557 |
"Modified: / 22-06-2006 / 11:31:37 / fm" |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1558 |
! |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1559 |
|
11616
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1560 |
nextPutIEEEDouble:aFloat |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1561 |
"write an 8-byte IEEE double precision float number" |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1562 |
|
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1563 |
Float storeBinaryIEEEDouble:aFloat on:self |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1564 |
! |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1565 |
|
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1566 |
nextPutIEEESingle:aFloat |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1567 |
"write a 4-byte IEEE single precision float number" |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1568 |
|
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1569 |
ShortFloat storeBinaryIEEESingle:aFloat on:self |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1570 |
! |
0ca41183ee3e
added IEESingle and IEEDouble readers and writers
Claus Gittinger <cg@exept.de>
parents:
11322
diff
changeset
|
1571 |
|
611 | 1572 |
nextPutLong:aNumber MSB:msbFlag |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1573 |
"Write the argument, aNumber as a long (four bytes). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1574 |
If msbFlag is true, data is written most-significant byte first; |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1575 |
otherwise least first. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1576 |
Returns the receiver on ok, nil on error. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1577 |
The receiver must support writing of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1578 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1579 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1580 |
where its known that the byte order is some definite one. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1581 |
If you dont care (i.e. talk to other smalltalks) or you can control the |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1582 |
order, please use the corresponding xxxNet methods, which use a standard |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1583 |
network byte order." |
611 | 1584 |
|
5960 | 1585 |
|hh hl lh ll b1 b2 b3 b4| |
1586 |
||
1587 |
ll := aNumber digitByteAt:1. |
|
1588 |
lh := aNumber digitByteAt:2. |
|
1589 |
hl := aNumber digitByteAt:3. |
|
1590 |
hh := aNumber digitByteAt:4. |
|
611 | 1591 |
msbFlag ifTrue:[ |
9407 | 1592 |
"high byte first" |
1593 |
b1 := hh. |
|
1594 |
b2 := hl. |
|
1595 |
b3 := lh. |
|
1596 |
b4 := ll. |
|
2332 | 1597 |
] ifFalse:[ |
9407 | 1598 |
"low word first" |
1599 |
b1 := ll. |
|
1600 |
b2 := lh. |
|
1601 |
b3 := hl. |
|
1602 |
b4 := hh. |
|
611 | 1603 |
]. |
9407 | 1604 |
self nextPutByte:b1. |
1605 |
self nextPutByte:b2. |
|
1606 |
self nextPutByte:b3. |
|
1607 |
self nextPutByte:b4. |
|
5960 | 1608 |
|
1609 |
" |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1610 |
|s bytes| |
5960 | 1611 |
|
1612 |
s := #[] writeStream. |
|
1613 |
s nextPutLong:16r12345678 MSB:false. |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1614 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1615 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1616 |
(s nextLongMSB:false) hexPrintString. |
5960 | 1617 |
" |
1618 |
" |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1619 |
|s bytes| |
5960 | 1620 |
|
1621 |
s := #[] writeStream. |
|
1622 |
s nextPutLong:16r12345678 MSB:true. |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1623 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1624 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1625 |
(s nextLongMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1626 |
. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1627 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1628 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1629 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1630 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1631 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1632 |
s nextPutLong:16r-80000000 MSB:true. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1633 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1634 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1635 |
(s nextLongMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1636 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1637 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1638 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1639 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1640 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1641 |
s nextPutLong:16r-80000000 MSB:false. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1642 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1643 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1644 |
(s nextLongMSB:false) hexPrintString. |
5960 | 1645 |
" |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1646 |
|
9407 | 1647 |
"Modified: / 01-11-1997 / 18:30:52 / cg" |
1648 |
"Modified: / 22-06-2006 / 11:31:43 / fm" |
|
611 | 1649 |
! |
1650 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1651 |
nextPutLongNet:aNumber |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1652 |
"Write the argument, aNumber as a long (four bytes) in the network byte order. |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1653 |
Returns the receiver on ok, nil on error. |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1654 |
The receiver must support writing of binary bytes." |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1655 |
|
8894
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1656 |
^ self nextPutLong:aNumber MSB:true |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1657 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1658 |
"Modified: 10.1.1996 / 19:47:10 / cg" |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1659 |
"Created: 10.1.1996 / 19:50:23 / cg" |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1660 |
! |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1661 |
|
15654 | 1662 |
nextPutShort:anIntegerOrCharacter MSB:msbFlag |
1663 |
"Write the argument, anIntegerOrCharacter as a short (two bytes). |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1664 |
If msbFlag is true, data is written most-significant byte first; |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1665 |
otherwise least first. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1666 |
Returns the receiver on ok, nil on error. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1667 |
The receiver must support writing of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1668 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1669 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1670 |
where its known that the byte order is some definite one. |
15654 | 1671 |
If you don't care (i.e. talk to other smalltalks) or you can control the |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1672 |
order, please use the corresponding xxxNet methods, which use a standard |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1673 |
network byte order." |
611 | 1674 |
|
2332 | 1675 |
|iNum "{ Class: SmallInteger }" hi lo b1 b2| |
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1676 |
|
15654 | 1677 |
iNum := anIntegerOrCharacter asInteger. |
5960 | 1678 |
lo := iNum digitByteAt:1. |
1679 |
hi := iNum digitByteAt:2. |
|
611 | 1680 |
msbFlag ifTrue:[ |
9407 | 1681 |
"high word first" |
1682 |
b1 := hi. |
|
1683 |
b2 := lo. |
|
2332 | 1684 |
] ifFalse:[ |
9407 | 1685 |
"low word first" |
1686 |
b1 := lo. |
|
1687 |
b2 := hi. |
|
611 | 1688 |
]. |
9407 | 1689 |
self nextPutByte:b1. |
1690 |
self nextPutByte:b2. |
|
5960 | 1691 |
|
1692 |
" |
|
1693 |
|s| |
|
1694 |
||
1695 |
s := #[] writeStream. |
|
1696 |
s nextPutShort:16r1234 MSB:false. |
|
1697 |
s contents. |
|
1698 |
" |
|
1699 |
" |
|
1700 |
|s| |
|
1701 |
||
1702 |
s := #[] writeStream. |
|
1703 |
s nextPutShort:16r1234 MSB:true. |
|
1704 |
s contents. |
|
1705 |
" |
|
9407 | 1706 |
|
1707 |
"Modified: / 22-06-2006 / 11:30:26 / fm" |
|
611 | 1708 |
! |
1709 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1710 |
nextPutShortNet:aNumber |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1711 |
"Write the argument, aNumber as a short (two bytes) in the network byte order. |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1712 |
Returns the receiver on ok, nil on error. |
8894
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1713 |
The receiver must support writing of binary bytes. |
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1714 |
Network byte order is MSB per definition" |
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1715 |
|
8970 | 1716 |
^ self nextPutShort:aNumber MSB:true. |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1717 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1718 |
"Created: 10.1.1996 / 19:50:33 / cg" |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1719 |
! |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1720 |
|
15652 | 1721 |
nextPutUtf16:aCharacter |
1722 |
"append my UTF-16 representation to the argument, aStream. |
|
15654 | 1723 |
UTF-16 can encode only characters with code points between 0 to 16r10FFFF. |
1724 |
The collection must be able to store 2-byte values (TwoByteString, OrderedCollection)" |
|
1725 |
||
1726 |
|codePoint| |
|
1727 |
||
1728 |
codePoint := aCharacter codePoint. |
|
1729 |
(codePoint <= 16rD7FF |
|
1730 |
or:[codePoint >= 16rE000 and:[codePoint <= 16rFFFF]]) ifTrue:[ |
|
1731 |
self nextPut:aCharacter. |
|
1732 |
] ifFalse:[codePoint <= 16r10FFFF ifTrue:[ |
|
1733 |
|highBits lowBits| |
|
1734 |
||
1735 |
codePoint := codePoint - 16r100000. |
|
1736 |
highBits := codePoint bitShift:-10. |
|
1737 |
lowBits := codePoint bitAnd:16r3FF. |
|
1738 |
self nextPut:(Character codePoint:highBits+16rD800). |
|
1739 |
self nextPut:(Character codePoint:lowBits+16rDC00). |
|
1740 |
] ifFalse:[ |
|
1741 |
EncodingError raiseWith:aCharacter errorString:'Character cannot be encoded as UTF-16'. |
|
1742 |
]]. |
|
1743 |
||
1744 |
" |
|
1745 |
((WriteStream on:Unicode16String new) |
|
1746 |
nextPutUtf16:$B; |
|
1747 |
nextPutUtf16:$Ä; |
|
1748 |
nextPutUtf16:(Character codePoint:16r10CCCC) |
|
1749 |
yourself) contents |
|
1750 |
" |
|
15652 | 1751 |
! |
1752 |
||
11322 | 1753 |
nextPutUtf8:aCharacter |
1754 |
"append my UTF-8 representation to the argument, aStream. |
|
1755 |
Up to 31 bits can be encoded in up to 6 bytes. |
|
14593 | 1756 |
However, currently, characters are limited to 31 bits." |
11322 | 1757 |
|
1758 |
|codePoint b1 b2 b3 b4 b5 v| |
|
1759 |
||
1760 |
codePoint := aCharacter codePoint. |
|
1761 |
||
1762 |
codePoint <= 16r7F ifTrue:[ |
|
1763 |
self nextPut:aCharacter. |
|
1764 |
^ self. |
|
1765 |
]. |
|
1766 |
||
1767 |
b1 := Character codePoint:((codePoint bitAnd:16r3F) bitOr:2r10000000). |
|
1768 |
v := codePoint bitShift:-6. |
|
1769 |
v <= 16r1F ifTrue:[ |
|
1770 |
self nextPut:(Character value:(v bitOr:2r11000000)). |
|
1771 |
self nextPut:b1. |
|
1772 |
^ self. |
|
1773 |
]. |
|
1774 |
b2 := Character codePoint:((v bitAnd:16r3F) bitOr:2r10000000). |
|
1775 |
v := v bitShift:-6. |
|
1776 |
v <= 16r0F ifTrue:[ |
|
1777 |
self nextPut:(Character value:(v bitOr:2r11100000)). |
|
1778 |
self nextPut:b2; nextPut:b1. |
|
1779 |
^ self. |
|
1780 |
]. |
|
1781 |
b3 := Character codePoint:((v bitAnd:16r3F) bitOr:2r10000000). |
|
1782 |
v := v bitShift:-6. |
|
1783 |
v <= 16r07 ifTrue:[ |
|
1784 |
self nextPut:(Character value:(v bitOr:2r11110000)). |
|
1785 |
self nextPut:b3; nextPut:b2; nextPut:b1. |
|
1786 |
^ self. |
|
1787 |
]. |
|
1788 |
b4 := Character codePoint:((v bitAnd:16r3F) bitOr:2r10000000). |
|
1789 |
v := v bitShift:-6. |
|
1790 |
v <= 16r03 ifTrue:[ |
|
1791 |
self nextPut:(Character value:(v bitOr:2r11111000)). |
|
1792 |
self nextPut:b4; nextPut:b3; nextPut:b2; nextPut:b1. |
|
1793 |
^ self. |
|
1794 |
]. |
|
1795 |
b5 := Character codePoint:((v bitAnd:16r3F) bitOr:2r10000000). |
|
1796 |
v := v bitShift:-6. |
|
1797 |
v <= 16r01 ifTrue:[ |
|
1798 |
self nextPut:(Character value:(v bitOr:2r11111100)). |
|
1799 |
self nextPut:b5; nextPut:b4; nextPut:b3; nextPut:b2; nextPut:b1. |
|
1800 |
^ self. |
|
1801 |
]. |
|
1802 |
||
1803 |
||
1804 |
self error:'codePoint > 31bit in #nextPutUtf8:'. |
|
1805 |
||
1806 |
" |
|
1807 |
(String streamContents:[:s| |
|
1808 |
s nextPutUtf8:$a. |
|
1809 |
s nextPutUtf8:$ü. |
|
1810 |
s nextPutUtf8: (Character value:16r1fff). |
|
1811 |
s nextPutUtf8: (Character value:16rffff). |
|
14593 | 1812 |
s nextPutUtf8: (Character value:16r1ffffff). |
11322 | 1813 |
s nextPutUtf8: (Character value:16r800). |
1814 |
]) |
|
1815 |
asByteArray |
|
1816 |
||
1817 |
" |
|
1818 |
! |
|
1819 |
||
611 | 1820 |
nextPutWord:aNumber |
1821 |
"write the argument, aNumber as a signed short (two bytes); |
|
1822 |
write msb-first for compatibility with other smalltalks. |
|
1823 |
The receiver must support writing of binary bytes. |
|
1824 |
I dont know if it should be named nextPutWord: or nextWordPut:; |
|
1825 |
one of them will vanish ..." |
|
1826 |
||
1827 |
^ self nextPutShort:aNumber MSB:true |
|
1828 |
! |
|
1829 |
||
9407 | 1830 |
nextTwoBytesPut: anInteger |
15397 | 1831 |
<resource: #obsolete> |
9407 | 1832 |
"Write anInteger as the next two bytes of the |
1833 |
receiver stream." |
|
15397 | 1834 |
|
1835 |
self obsoleteMethodWarning:'use #nextPutShort:MSB:'. |
|
1836 |
||
9407 | 1837 |
self |
1838 |
nextPutByte: (anInteger bitAnd: 255); |
|
1839 |
nextPutByte: ((anInteger bitShift: -8) bitAnd: 255) |
|
1840 |
||
1841 |
"Created: / 21-06-2006 / 19:42:10 / fm" |
|
1842 |
! |
|
1843 |
||
611 | 1844 |
nextWordPut:aNumber |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1845 |
"for ST-80 compatibility: |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1846 |
Write the argument, aNumber as a short (two bytes). |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1847 |
The most significant byte is sent first." |
611 | 1848 |
|
1849 |
^ self nextPutShort:aNumber MSB:true |
|
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1850 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1851 |
"Modified: 10.1.1996 / 19:39:19 / cg" |
611 | 1852 |
! ! |
1853 |
||
16454 | 1854 |
!Stream methodsFor:'open / close'! |
1855 |
||
1856 |
close |
|
1857 |
"close the stream - nothing done here. |
|
1858 |
Added for compatibility with external streams." |
|
1859 |
||
1860 |
^ self |
|
1861 |
! ! |
|
1862 |
||
611 | 1863 |
!Stream methodsFor:'private'! |
1864 |
||
1865 |
contentsSpecies |
|
1866 |
"this should return the class of which an instance is |
|
1403 | 1867 |
returned by the #contents method. Here, Array is returned, |
1868 |
since the abstract Stream-class has no idea of the underlying |
|
1869 |
collection class. |
|
1870 |
It is redefined in some subclasses - for example, to return String." |
|
611 | 1871 |
|
1872 |
^ Array |
|
1403 | 1873 |
|
1874 |
"Modified: 15.5.1996 / 17:53:31 / cg" |
|
611 | 1875 |
! ! |
1876 |
||
1877 |
!Stream methodsFor:'queries'! |
|
1878 |
||
16472 | 1879 |
canReadWithoutBlocking |
1880 |
^ true |
|
1881 |
! |
|
1882 |
||
1883 |
canWriteWithoutBlocking |
|
1884 |
^ true |
|
1885 |
! |
|
1886 |
||
15719 | 1887 |
current |
1888 |
"for compatibility with Transcript - allow Transcript current, |
|
1889 |
even if redirected to the standardError" |
|
1890 |
||
1891 |
self == Transcript ifTrue:[ |
|
1892 |
^ self |
|
1893 |
]. |
|
1894 |
"/ this will raise an DNU error, usually. |
|
1895 |
^ super current |
|
1896 |
||
1897 |
"Modified (comment): / 29-08-2013 / 11:09:21 / cg" |
|
1898 |
! |
|
1899 |
||
15590 | 1900 |
inputStream |
1901 |
"return the receiver. |
|
1902 |
for compatibility with filtering streams" |
|
1903 |
||
1904 |
self isReadable ifFalse:[ ^ nil ]. |
|
1905 |
^ self |
|
1906 |
! |
|
1907 |
||
611 | 1908 |
isBinary |
1403 | 1909 |
"return true, if in binary mode. Always returns false here, |
1910 |
to make internalStreams protocol compatible with externalStreams." |
|
611 | 1911 |
|
7503 | 1912 |
^ self contentsSpecies == ByteArray |
1403 | 1913 |
|
1914 |
"Modified: 15.5.1996 / 17:53:51 / cg" |
|
611 | 1915 |
! |
1916 |
||
11948 | 1917 |
isOpen |
1918 |
"for compatibility with externalStream: |
|
1919 |
return true, if this stream is open." |
|
1920 |
||
1921 |
^ true |
|
1922 |
! |
|
1923 |
||
611 | 1924 |
isReadable |
1925 |
"return true, if reading is supported by the recevier. |
|
1403 | 1926 |
This has to be redefined in concrete subclasses." |
611 | 1927 |
|
1928 |
^ self subclassResponsibility |
|
1403 | 1929 |
|
1930 |
"Modified: 15.5.1996 / 17:54:31 / cg" |
|
611 | 1931 |
! |
1932 |
||
1933 |
isWritable |
|
1934 |
"return true, if writing is supported by the recevier. |
|
1403 | 1935 |
This has to be redefined in concrete subclasses." |
611 | 1936 |
|
1937 |
^ self subclassResponsibility |
|
1403 | 1938 |
|
1939 |
"Modified: 15.5.1996 / 17:54:54 / cg" |
|
611 | 1940 |
! |
1941 |
||
1942 |
lineLength |
|
1403 | 1943 |
"return the lineLength which `looks good' when pretty printed |
1944 |
text is sent to this stream. |
|
1945 |
This has NO meaning whatsoever to regular streams; |
|
1946 |
however, it may be used as a layout hint for prettyprinting functions |
|
1947 |
- for compatibility with TextCollectors, which returns its views actual |
|
1948 |
line length, and allows the prettyprinter to wrap at that position." |
|
611 | 1949 |
|
1950 |
^ 80 |
|
1403 | 1951 |
|
1952 |
"Modified: 15.5.1996 / 17:57:01 / cg" |
|
3493
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1953 |
! |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1954 |
|
5395 | 1955 |
lineNumber |
15591 | 1956 |
"return the current lineNumber if known |
1957 |
(for compatibility with LineNumberReadStream)" |
|
5395 | 1958 |
|
1959 |
^ nil |
|
1960 |
! |
|
1961 |
||
8645 | 1962 |
numberOfTerminalCols |
1963 |
^ self lineLength |
|
1964 |
! |
|
1965 |
||
1966 |
numberOfTerminalLines |
|
1967 |
^ 24 |
|
1968 |
! |
|
1969 |
||
15590 | 1970 |
outputStream |
1971 |
"return the receiver. |
|
1972 |
for compatibility with filtering streams" |
|
1973 |
||
1974 |
self isWritable ifFalse:[ ^ nil ]. |
|
1975 |
^ self |
|
1976 |
! |
|
1977 |
||
3493
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1978 |
pageFormat |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1979 |
"return the pageFormat - nil here. |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1980 |
This has NO meaning whatsoever to regular streams; |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1981 |
however, it has been added for protocol compatibility with printerStreams" |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1982 |
|
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1983 |
^ nil |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1984 |
|
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1985 |
"Modified: / 15.5.1996 / 17:57:01 / cg" |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1986 |
"Created: / 29.5.1998 / 16:57:48 / cg" |
8645 | 1987 |
! |
1988 |
||
14303 | 1989 |
size |
1990 |
"return the number of elements in the streamed collection." |
|
1991 |
||
1992 |
self subclassResponsibility |
|
1993 |
||
1994 |
"Created: / 05-08-2012 / 18:38:12 / cg" |
|
1995 |
! |
|
1996 |
||
8645 | 1997 |
terminalType |
1998 |
^ 'dump' |
|
611 | 1999 |
! ! |
2000 |
||
62 | 2001 |
!Stream methodsFor:'reading'! |
1 | 2002 |
|
2003 |
next |
|
2004 |
"return the next element of the stream |
|
2005 |
- we do not know here how to do it, it must be redefined in subclass" |
|
2006 |
||
2007 |
^ self subclassResponsibility |
|
2008 |
! |
|
2009 |
||
2010 |
next:count |
|
1403 | 2011 |
"return the next count elements of the stream as aCollection, |
2012 |
which depends on the streams type - (see #contentsSpecies)." |
|
1 | 2013 |
|
329 | 2014 |
|answerStream |
285 | 2015 |
cnt "{ Class: SmallInteger }" | |
1 | 2016 |
|
285 | 2017 |
cnt := count. |
7467 | 2018 |
answerStream := WriteStream on:(self contentsSpecies new:cnt). |
12426 | 2019 |
1 to:cnt do:[:index | |next| |
2020 |
next := self next. |
|
2021 |
next isNil ifTrue:[ |
|
2022 |
"if next did not raise EndOfStreamError, we have to do it" |
|
2023 |
EndOfStreamError raiseRequestFrom:self. |
|
12623 | 2024 |
"if you proceed, you get what we have already collected" |
2025 |
^ answerStream contents |
|
12426 | 2026 |
]. |
2027 |
answerStream nextPut:next. |
|
1 | 2028 |
]. |
329 | 2029 |
^ answerStream contents |
1 | 2030 |
|
275 | 2031 |
" |
2032 |
(ReadStream on:#(1 2 3 4 5)) next:3 |
|
2033 |
(ReadStream on:'hello') next:3 |
|
2034 |
" |
|
1403 | 2035 |
|
2036 |
"Modified: 15.5.1996 / 17:57:58 / cg" |
|
1 | 2037 |
! |
2038 |
||
7467 | 2039 |
next:count into:aWriteStream |
2040 |
"put the next count elements of the stream into aWriteStream" |
|
2041 |
||
2042 |
|cnt "{ Class: SmallInteger }" | |
|
2043 |
||
2044 |
cnt := count. |
|
12426 | 2045 |
1 to:cnt do:[:index | |next| |
2046 |
next := self next. |
|
2047 |
next isNil ifTrue:[ |
|
2048 |
"if next did not raise EndOfStreamError, we have to do it" |
|
2049 |
EndOfStreamError raiseRequestFrom:self. |
|
2050 |
]. |
|
2051 |
aWriteStream nextPut:next. |
|
7467 | 2052 |
]. |
2053 |
||
2054 |
" |
|
2055 |
|writeStream| |
|
2056 |
writeStream := #() writeStream. |
|
2057 |
#(1 2 3 4 5) readStream next:3 into:writeStream. |
|
2058 |
writeStream contents. |
|
2059 |
||
2060 |
|writeStream| |
|
2061 |
writeStream := '' writeStream. |
|
2062 |
'hello' readStream next:3 into:writeStream. |
|
2063 |
writeStream contents. |
|
2064 |
" |
|
2065 |
||
2066 |
"Modified: 15.5.1996 / 17:57:58 / cg" |
|
2067 |
! |
|
2068 |
||
285 | 2069 |
nextAvailable:count |
1403 | 2070 |
"return the next count elements of the stream as aCollection. |
285 | 2071 |
If the stream reaches the end before count elements have been read, |
1403 | 2072 |
return what is available. (i.e. a shorter collection). |
3590
d22de87c7fbd
removed endOfStreamQuery - instead, handle unhandled exception
Claus Gittinger <cg@exept.de>
parents:
3586
diff
changeset
|
2073 |
The type of collection is specified in #contentsSpecies." |
285 | 2074 |
|
345 | 2075 |
|answerStream |
285 | 2076 |
cnt "{ Class: SmallInteger }"| |
2077 |
||
2078 |
cnt := count. |
|
10358
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2079 |
answerStream := WriteStream on:(self contentsSpecies new:cnt). |
285 | 2080 |
1 to:cnt do:[:index | |
10358
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2081 |
self atEnd ifTrue:[ |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2082 |
^ answerStream contents |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2083 |
]. |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2084 |
answerStream nextPut:(self next) |
285 | 2085 |
]. |
329 | 2086 |
^ answerStream contents |
285 | 2087 |
|
2088 |
" |
|
3590
d22de87c7fbd
removed endOfStreamQuery - instead, handle unhandled exception
Claus Gittinger <cg@exept.de>
parents:
3586
diff
changeset
|
2089 |
(ReadStream on:#(1 2 3 4 5)) nextAvailable:3 |
285 | 2090 |
(ReadStream on:#(1 2 3 4 5)) nextAvailable:10 |
2091 |
(ReadStream on:'hello') nextAvailable:3 |
|
2092 |
(ReadStream on:'hello') nextAvailable:10 |
|
2093 |
" |
|
1403 | 2094 |
|
3590
d22de87c7fbd
removed endOfStreamQuery - instead, handle unhandled exception
Claus Gittinger <cg@exept.de>
parents:
3586
diff
changeset
|
2095 |
"Modified: / 16.6.1998 / 15:52:41 / cg" |
285 | 2096 |
! |
2097 |
||
1 | 2098 |
nextMatchFor:anObject |
62 | 2099 |
"read an element from the receiver, return true if it was equal to |
1403 | 2100 |
the argument, anObject; false otherwise." |
62 | 2101 |
|
2102 |
^ (self next = anObject) |
|
2103 |
||
2104 |
" |
|
2105 |
|s| |
|
2106 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
2107 |
s nextMatchFor:2 |
|
2108 |
" |
|
2109 |
" |
|
2110 |
|s| |
|
2111 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
2112 |
s nextMatchFor:2. |
|
2113 |
s nextMatchFor:2 |
|
2114 |
" |
|
1403 | 2115 |
|
2116 |
"Modified: 15.5.1996 / 17:58:57 / cg" |
|
62 | 2117 |
! |
2118 |
||
6862 | 2119 |
nextOrNil |
2120 |
"like #next, this returns the next element, if available. |
|
7118 | 2121 |
If nothing is available, this does never raise a read-beyond end signal. |
6862 | 2122 |
Instead, nil is returned immediately." |
2123 |
||
2124 |
self atEnd ifTrue:[^ nil]. |
|
2125 |
^ self next |
|
2126 |
! |
|
2127 |
||
7242 | 2128 |
skip:numberToSkip |
2129 |
"skip numberToSkip objects, return the receiver" |
|
345 | 2130 |
|
16208 | 2131 |
"don't know how to unread ..." |
7242 | 2132 |
numberToSkip < 0 ifTrue:[ |
8309 | 2133 |
PositionError raiseRequest. |
7242 | 2134 |
^ self |
62 | 2135 |
]. |
16208 | 2136 |
numberToSkip timesRepeat:[self next] |
62 | 2137 |
|
2138 |
" |
|
2139 |
|s| |
|
2140 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
2141 |
s skip:4. |
|
2142 |
s next |
|
2143 |
" |
|
4467 | 2144 |
|
2145 |
"Modified: / 30.7.1999 / 12:12:10 / cg" |
|
62 | 2146 |
! |
2147 |
||
2148 |
skipFor:anObject |
|
1403 | 2149 |
"skip all objects up-to and including anObject; |
15639 | 2150 |
read and return the element after anObject." |
62 | 2151 |
|
2152 |
(self skipThrough:anObject) notNil ifTrue:[ |
|
15639 | 2153 |
^ self next |
62 | 2154 |
]. |
2155 |
^ nil |
|
2156 |
||
2157 |
" |
|
15639 | 2158 |
|s next rest| |
62 | 2159 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
15639 | 2160 |
next := s skipFor:4. |
2161 |
rest := s upToEnd. |
|
6010 | 2162 |
" |
2163 |
" |
|
15639 | 2164 |
|s next rest| |
6010 | 2165 |
s := ReadStream on:'12345678'. |
15639 | 2166 |
next := s skipFor:$4. |
2167 |
rest := s upToEnd. |
|
62 | 2168 |
" |
1403 | 2169 |
|
2170 |
"Modified: 15.5.1996 / 17:59:23 / cg" |
|
62 | 2171 |
! |
2172 |
||
10360
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
2173 |
skipLine |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
2174 |
"read the next line (characters up to newline) skip only; |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
2175 |
return nil if EOF reached, self otherwise. |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
2176 |
Not allowed in binary mode." |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
2177 |
|
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
2178 |
^ self skipThrough:Character cr |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
2179 |
! |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
2180 |
|
62 | 2181 |
skipThrough:anObject |
6010 | 2182 |
"skip all objects up-to and including anObject. |
2183 |
Return the receiver if skip was successful, |
|
2184 |
otherwise (i.e. if not found) return nil and leave the stream positioned at the end. |
|
62 | 2185 |
The next read operation will return the element after anObject." |
1 | 2186 |
|
2187 |
|nextElement| |
|
2188 |
||
10358
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2189 |
[ |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2190 |
nextElement := self nextOrNil. |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2191 |
(nextElement isNil and:[self atEnd]) ifTrue:[ |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2192 |
^ nil. |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2193 |
]. |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2194 |
nextElement = anObject |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2195 |
] whileFalse. |
2 | 2196 |
|
62 | 2197 |
" |
2198 |
|s| |
|
10358
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
2199 |
s := ReadStream on:#(1 nil 2 3 4 5 6 7 8). |
62 | 2200 |
s skipThrough:4. |
2201 |
s next |
|
2202 |
" |
|
6010 | 2203 |
" |
2204 |
|s| |
|
2205 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
2206 |
s skipThrough:4. |
|
2207 |
s skipThrough:4. |
|
2208 |
s next |
|
2209 |
" |
|
2210 |
" |
|
2211 |
|s| |
|
2212 |
s := ReadStream on:'12345678'. |
|
2213 |
s skipThrough:$4. |
|
2214 |
s next |
|
2215 |
" |
|
2216 |
" |
|
2217 |
|s| |
|
2218 |
s := ReadStream on:'12345678'. |
|
2219 |
s skipThrough:$4. |
|
2220 |
s skipThrough:$4. |
|
2221 |
s next |
|
2222 |
" |
|
2223 |
" |
|
2224 |
|s| |
|
2225 |
s := ReadStream on:'12345678'. |
|
2226 |
s skipThrough:$4. |
|
2227 |
s skipThrough:$4. |
|
2228 |
s atEnd |
|
2229 |
" |
|
77 | 2230 |
! |
2231 |
||
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2232 |
skipThroughAll:aCollection |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2233 |
"skip for and through the sequence given by the argument, aCollection; |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2234 |
return nil if not found, the receiver otherwise. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2235 |
On a successful match, the next read will return elements after aCollection; |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2236 |
if no match was found, the receiver will be positioned at the end." |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2237 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2238 |
|buffer l first idx| |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2239 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2240 |
l := aCollection size. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2241 |
first := aCollection at:1. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2242 |
[self atEnd] whileFalse:[ |
2332 | 2243 |
buffer isNil ifTrue:[ |
2244 |
buffer := self nextAvailable:l. |
|
2245 |
]. |
|
2246 |
buffer = aCollection ifTrue:[ |
|
2247 |
^ self |
|
2248 |
]. |
|
2249 |
idx := buffer indexOf:first startingAt:2. |
|
2250 |
idx == 0 ifTrue:[ |
|
2251 |
buffer := nil |
|
2252 |
] ifFalse:[ |
|
2253 |
buffer := (buffer copyFrom:idx) , (self nextAvailable:(idx - 1)) |
|
2254 |
] |
|
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2255 |
]. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2256 |
^ nil |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2257 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2258 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2259 |
|s| |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2260 |
s := ReadStream on:'12345678901234567890'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2261 |
s skipThroughAll:'901'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2262 |
s upToEnd |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2263 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2264 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2265 |
|s| |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2266 |
s := ReadStream on:'12345678901234567890'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2267 |
s skipThroughAll:'1234'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2268 |
s upToEnd |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2269 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2270 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2271 |
|s| |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2272 |
s := ReadStream on:'12345678901234567890'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2273 |
s skipThroughAll:'999'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2274 |
s atEnd |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2275 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2276 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2277 |
"Created: 11.1.1997 / 18:55:13 / cg" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2278 |
"Modified: 11.1.1997 / 19:09:06 / cg" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2279 |
! |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2280 |
|
15639 | 2281 |
skipUntil:aBlock |
2282 |
"skip all elements for which aBlock returns false. |
|
2283 |
Return true if more elements can be read, false if eof has been reached." |
|
2284 |
||
2285 |
[self atEnd] whileFalse:[ |
|
2286 |
(aBlock value: self peek) ifTrue:[^ true]. |
|
2287 |
self next |
|
2288 |
]. |
|
2289 |
^ false |
|
2290 |
||
2291 |
" |
|
2292 |
#(1 2 3 4 5 6 7 8 9 10) readStream |
|
2293 |
skipUntil:[:el | el >= 5]; |
|
2294 |
next |
|
2295 |
" |
|
2296 |
! |
|
2297 |
||
2298 |
skipWhile:aBlock |
|
2299 |
"skip all elements for which aBlock returns true. Return true if more elements can be read, |
|
2300 |
false if eof has been reached." |
|
2301 |
||
2302 |
[self atEnd] whileFalse:[ |
|
2303 |
(aBlock value: self peek) ifFalse:[^ true]. |
|
2304 |
self next |
|
2305 |
]. |
|
2306 |
^ false |
|
2307 |
||
2308 |
" |
|
2309 |
#(1 2 3 4 5 6 7 8 9 10) readStream |
|
2310 |
skipWhile:[:el | el <= 5]; |
|
2311 |
next |
|
2312 |
" |
|
2313 |
||
2314 |
"Created: / 23-09-2011 / 13:32:40 / cg" |
|
2315 |
! |
|
2316 |
||
611 | 2317 |
through:anObject |
2318 |
"read a collection of all objects up-to anObject and return these |
|
2319 |
elements, including anObject. |
|
2320 |
The next read operation will return the element after anObject. |
|
1409 | 2321 |
If anObject is not encountered, all elements up to the end are read |
2322 |
and returned. |
|
611 | 2323 |
Compare this with #upTo: which also reads up to some object |
2324 |
and also positions behind it, but does not include it in the returned |
|
2325 |
value." |
|
2326 |
||
2327 |
|answerStream element| |
|
2328 |
||
2329 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2330 |
[self atEnd] whileFalse:[ |
|
2332 | 2331 |
element := self next. |
2332 |
answerStream nextPut:element. |
|
2333 |
(element = anObject) ifTrue: [ |
|
2334 |
^ answerStream contents |
|
2335 |
] |
|
611 | 2336 |
]. |
2337 |
^ answerStream contents |
|
2338 |
||
2339 |
" |
|
2340 |
|s| |
|
2341 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
1422 | 2342 |
Transcript showCR:(s through:4). |
2343 |
Transcript showCR:s next |
|
1409 | 2344 |
|
2345 |
|s| |
|
2346 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
1422 | 2347 |
Transcript showCR:(s through:9). |
2348 |
Transcript showCR:s next |
|
1409 | 2349 |
|
611 | 2350 |
|s| |
2351 |
s := ReadStream on:'hello world'. |
|
1422 | 2352 |
Transcript showCR:(s through:Character space). |
2353 |
Transcript showCR:(s upToEnd) |
|
611 | 2354 |
" |
1409 | 2355 |
|
2356 |
"Modified: 17.5.1996 / 08:51:40 / cg" |
|
611 | 2357 |
! |
2358 |
||
1548 | 2359 |
throughAll:aCollection |
2360 |
"read & return a collection of all objects up-to and including |
|
2361 |
a subcollection given by aCollection. |
|
2362 |
(i.e. read until a ``substring'' is encountered.) |
|
2363 |
The next read operation will return the element after aCollection. |
|
2364 |
If aCollection is not encountered, all elements up to the end are read |
|
2365 |
and returned." |
|
2366 |
||
2367 |
|answerStream element last rslt| |
|
2368 |
||
2369 |
last := aCollection last. |
|
2370 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2371 |
[self atEnd] whileFalse:[ |
|
2332 | 2372 |
element := self next. |
2373 |
answerStream nextPut:element. |
|
2374 |
element == last ifTrue:[ |
|
2375 |
((rslt := answerStream contents) endsWith:aCollection) ifTrue:[ |
|
2376 |
^ rslt |
|
2377 |
] |
|
2378 |
]. |
|
1548 | 2379 |
]. |
2380 |
^ answerStream contents |
|
2381 |
||
2382 |
" |
|
2383 |
|s| |
|
2384 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
2385 |
Transcript showCR:(s throughAll:#(4 4 4)). |
|
2386 |
Transcript showCR:s next |
|
2387 |
||
2388 |
|s| |
|
2389 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
2390 |
Transcript showCR:(s throughAll:#(4 5 6)). |
|
2391 |
Transcript showCR:s next |
|
2392 |
||
2393 |
|s| |
|
2394 |
s := ReadStream on:'hello world, this is some text'. |
|
2395 |
Transcript showCR:(s throughAll:'world'). |
|
2396 |
Transcript showCR:(s throughAll:'some'). |
|
2397 |
Transcript showCR:s upToEnd. |
|
2398 |
" |
|
2399 |
||
2400 |
"Modified: 15.7.1996 / 09:08:07 / cg" |
|
2401 |
! |
|
2402 |
||
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2403 |
throughAny:aCollection |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2404 |
"read & return a collection of all objects up-to and including |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2405 |
an element contained in aCollection. |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2406 |
(i.e. read until any from aCollection is encountered.) |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2407 |
If no such character is encountered, all elements up to the end are read |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2408 |
and returned." |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2409 |
|
9070 | 2410 |
|answerStream element| |
2411 |
||
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2412 |
answerStream := WriteStream on:(self contentsSpecies new). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2413 |
[self atEnd] whileFalse:[ |
9070 | 2414 |
element := self next. |
2415 |
answerStream nextPut:element. |
|
2416 |
(aCollection includes:element) ifTrue:[ |
|
2417 |
^ answerStream contents |
|
2418 |
]. |
|
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2419 |
]. |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2420 |
^ answerStream contents |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2421 |
|
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2422 |
" |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2423 |
|s| |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2424 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2425 |
Transcript showCR:(s throughAny:#(3 4 5)). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2426 |
Transcript showCR:s next |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2427 |
|
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2428 |
|s| |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2429 |
s := ReadStream on:'hello world, this is some text'. |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2430 |
Transcript showCR:(s throughAny:'wt'). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2431 |
Transcript showCR:(s throughAny:'wt'). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2432 |
Transcript showCR:s upToEnd. |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2433 |
" |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2434 |
|
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2435 |
"Modified: / 11.1.1998 / 15:28:04 / cg" |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2436 |
! |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2437 |
|
15639 | 2438 |
throughElementForWhich:aBlock |
2439 |
"read elements until aBlock returns true for an element. |
|
2440 |
Return the collected elements including that element. |
|
2441 |
Leave the stream positioned for the next read to return the element after that one." |
|
2442 |
||
2443 |
|answerStream element| |
|
2444 |
||
2445 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2446 |
||
2447 |
[self atEnd] whileFalse:[ |
|
2448 |
element := self next. |
|
2449 |
answerStream nextPut:element. |
|
2450 |
(aBlock value:element) ifTrue: [ |
|
2451 |
^ answerStream contents |
|
2452 |
] |
|
2453 |
]. |
|
2454 |
^ answerStream contents |
|
2455 |
||
2456 |
" |
|
2457 |
#(1 2 3 4 5 6 7 8 9 10) readStream |
|
2458 |
throughElementForWhich:[:el | el > 5]; |
|
2459 |
" |
|
2460 |
! |
|
2461 |
||
427 | 2462 |
upTo:anObject |
2463 |
"read a collection of all objects up-to anObject and return these |
|
2464 |
elements, but excluding anObject. |
|
2465 |
The next read operation will return the element after anObject. |
|
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2466 |
(i.e. anObject is considered a separator, which is skipped) |
3172
f73912c49864
Implement #upToAll: consistent with #upTo: and #upToAny: in Stream.
Stefan Vogel <sv@exept.de>
parents:
3169
diff
changeset
|
2467 |
Similar to #through:, but the matching object is not included in the |
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2468 |
returned collection. |
1409 | 2469 |
If anObject is not encountered, all elements up to the end are read |
2470 |
and returned. |
|
427 | 2471 |
Compare this with #through: which also reads up to some object |
2472 |
and also positions behind it, but DOES include it in the returned |
|
2473 |
value." |
|
2474 |
||
11659 | 2475 |
|answerStream| |
427 | 2476 |
|
2477 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
11659 | 2478 |
self upTo:anObject into:answerStream. |
427 | 2479 |
^ answerStream contents |
2480 |
||
2481 |
" |
|
2482 |
|s| |
|
2483 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
1422 | 2484 |
Transcript showCR:(s upTo:4). |
2485 |
Transcript showCR:s next |
|
427 | 2486 |
|
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2487 |
compare the above to: |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2488 |
|s| |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2489 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2490 |
Transcript showCR:(s through:4). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2491 |
Transcript showCR:s next |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2492 |
|
427 | 2493 |
|s| |
1409 | 2494 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
1422 | 2495 |
Transcript showCR:(s upTo:9). |
2496 |
Transcript showCR:s next |
|
1409 | 2497 |
|
2498 |
|s| |
|
427 | 2499 |
s := ReadStream on:'hello world'. |
1422 | 2500 |
Transcript showCR:(s upTo:Character space). |
2501 |
Transcript showCR:(s upToEnd) |
|
427 | 2502 |
|
15778 | 2503 |
(ReadStream on:'12345678905') upTo:$5; next |
2504 |
||
427 | 2505 |
(ReadStream on:'12345678905') upTo:$5; upTo:$5 |
2506 |
||
2507 |
(ReadStream on:'123456') upTo:$7 |
|
2508 |
||
2509 |
(ReadStream on:#(1 2 3 4 5 6)) upTo:4 |
|
2510 |
||
2511 |
(ReadStream on:'line 1 |
|
10359 | 2512 |
line 2') upTo:Character cr |
427 | 2513 |
|
2514 |
'Makefile' asFilename readStream upTo:Character cr;upTo:Character cr |
|
2515 |
" |
|
1409 | 2516 |
|
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2517 |
"Modified: / 12.1.1998 / 21:58:38 / cg" |
3172
f73912c49864
Implement #upToAll: consistent with #upTo: and #upToAny: in Stream.
Stefan Vogel <sv@exept.de>
parents:
3169
diff
changeset
|
2518 |
"Modified: / 15.1.1998 / 23:28:47 / stefan" |
f73912c49864
Implement #upToAll: consistent with #upTo: and #upToAny: in Stream.
Stefan Vogel <sv@exept.de>
parents:
3169
diff
changeset
|
2519 |
! |
f73912c49864
Implement #upToAll: consistent with #upTo: and #upToAny: in Stream.
Stefan Vogel <sv@exept.de>
parents:
3169
diff
changeset
|
2520 |
|
11659 | 2521 |
upTo:anObject into:aStream |
2522 |
"read a collection of all objects up-to anObject and append these |
|
2523 |
elements to aStream, but excluding anObject. |
|
2524 |
The next read operation will return the element after anObject. |
|
2525 |
(i.e. anObject is considered a separator, which is skipped) |
|
2526 |
Similar to #through:, but the matching object is not included in the returned collection. |
|
2527 |
If anObject is not encountered, all elements up to the end are read and returned. |
|
2528 |
Compare this with #through: which also reads up to some object |
|
2529 |
and also positions behind it, but DOES include it in the returned value." |
|
2530 |
||
2531 |
|element| |
|
2532 |
||
2533 |
[ |
|
2534 |
element := self nextOrNil. |
|
2535 |
((element isNil and:[self atEnd]) or:[element = anObject]) ifTrue:[ |
|
2536 |
true |
|
2537 |
] ifFalse:[ |
|
2538 |
aStream nextPut:element. |
|
2539 |
false |
|
2540 |
]. |
|
2541 |
] whileFalse. |
|
2542 |
! |
|
2543 |
||
3586 | 2544 |
upToAllExcluding:aCollection |
2545 |
"read a collection of all objects up-to a element which is contained in |
|
2546 |
aCollection and return these elements, but excluding the matching one. |
|
2547 |
The next read operation will return the element after aCollection. |
|
2548 |
If no such element is encountered, all elements up to the end are read |
|
2549 |
and returned. |
|
6494 | 2550 |
See also #throughAll: which also reads up to some object |
3586 | 2551 |
and also positions behind it, but DOES include it in the returned |
6494 | 2552 |
value. |
2553 |
See also #upToAll:, which returns the same, but leaves the |
|
2554 |
read pointer before the matched subcollection." |
|
3586 | 2555 |
|
16197 | 2556 |
|answerStream element last| |
3586 | 2557 |
|
2558 |
last := aCollection last. |
|
16197 | 2559 |
answerStream := ReadWriteStream on:(self contentsSpecies new). |
2560 |
[(element := self nextOrNil) notNil] whileTrue:[ |
|
6494 | 2561 |
answerStream nextPut:element. |
2562 |
element == last ifTrue:[ |
|
16306 | 2563 |
(answerStream contents endsWith:aCollection) ifTrue:[ |
16197 | 2564 |
|pos| |
2565 |
pos := answerStream position. |
|
2566 |
answerStream resetPosition. |
|
2567 |
^ answerStream next:pos-aCollection size. |
|
6494 | 2568 |
] |
2569 |
]. |
|
3586 | 2570 |
]. |
2571 |
^ answerStream contents |
|
2572 |
||
2573 |
" |
|
2574 |
|s| |
|
2575 |
s := ReadStream on:'hello world world'. |
|
2576 |
Transcript show:'<'; show:(s upToAllExcluding:'wo'); showCR:'>'. |
|
2577 |
Transcript show:'<'; show:(s upToAllExcluding:'wo'); showCR:'>'. |
|
2578 |
Transcript show:'<'; show:(s upToEnd); showCR:'>'. |
|
2579 |
" |
|
2580 |
||
2581 |
"Created: / 15.6.1998 / 19:11:31 / cg" |
|
2582 |
! |
|
2583 |
||
2894 | 2584 |
upToAny:aCollectionOfObjects |
2420 | 2585 |
"read a collection of all objects up-to a element which is contained in |
2586 |
aCollectionOfObjects and return these elements, but excluding the matching one. |
|
2587 |
The next read operation will return the element after anObject. |
|
2588 |
If no such element is encountered, all elements up to the end are read |
|
2589 |
and returned. |
|
2590 |
Compare this with #throughAll: which also reads up to some object |
|
2591 |
and also positions behind it, but DOES include it in the returned |
|
2592 |
value." |
|
2593 |
||
12527 | 2594 |
|result| |
2595 |
||
2596 |
result := self upToBeforeAny:aCollectionOfObjects. |
|
2597 |
self atEnd ifFalse:[ |
|
2598 |
self next. |
|
2420 | 2599 |
]. |
12527 | 2600 |
^ result |
2420 | 2601 |
|
2602 |
" |
|
2603 |
|s| |
|
2604 |
s := ReadStream on:'hello world'. |
|
3154 | 2605 |
Transcript showCR:(s upToAny:(Array with:Character space)). |
2420 | 2606 |
Transcript showCR:(s upToEnd) |
2607 |
||
3154 | 2608 |
'Makefile' asFilename readStream upToAny:($A to:$Z) |
2609 |
" |
|
2420 | 2610 |
|
3154 | 2611 |
"Created: / 30.8.1997 / 03:02:05 / cg" |
2612 |
"Modified: / 11.1.1998 / 15:19:18 / cg" |
|
2420 | 2613 |
! |
2614 |
||
12527 | 2615 |
upToBeforeAny:aCollectionOfObjects |
2616 |
"read a collection of all objects up-to a element which is contained in |
|
2617 |
aCollectionOfObjects and return these elements, but excluding the matching one. |
|
2618 |
The next read operation will return the matching element. |
|
2619 |
If no such element is encountered, all elements up to the end are read |
|
2620 |
and returned. |
|
2621 |
This returns the exact same as upToAny: would, but leaves the streams position so that |
|
2622 |
the next read returns the matching delimiter instead of skipping it. |
|
2623 |
Caveat: this is the one which should have been called upTo: in the first place; |
|
2624 |
however, it seems now too late for a change." |
|
2625 |
||
2626 |
|answerStream element| |
|
2627 |
||
2628 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2629 |
[self atEnd] whileFalse:[ |
|
2630 |
element := self peek. |
|
2631 |
(aCollectionOfObjects includes:element) ifTrue: [ |
|
2632 |
^ answerStream contents |
|
2633 |
]. |
|
2634 |
answerStream nextPut:element. |
|
2635 |
self next. |
|
2636 |
]. |
|
2637 |
^ answerStream contents |
|
2638 |
||
2639 |
" |
|
2640 |
|s| |
|
2641 |
s := ReadStream on:'hello world'. |
|
2642 |
Transcript showCR:(s upToBeforeAny:(Array with:Character space)). |
|
2643 |
Transcript showCR:(s upToEnd) |
|
2644 |
||
2645 |
'Make.proto' asFilename readStream upToBeforeAny:($A to:$Z) |
|
2646 |
" |
|
2647 |
||
2648 |
"Created: / 30.8.1997 / 03:02:05 / cg" |
|
2649 |
"Modified: / 11.1.1998 / 15:19:18 / cg" |
|
2650 |
! |
|
2651 |
||
15639 | 2652 |
upToElementForWhich:aBlock |
2653 |
"read elements until aBlock returns true for an element. |
|
2654 |
Return the collected elements excluding that element. |
|
16608 | 2655 |
Leave the stream positioned for the next read to return that element. |
2656 |
If no element matches, all elements up to the end are returned" |
|
15639 | 2657 |
|
2658 |
|answerStream next| |
|
2659 |
||
2660 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2661 |
||
2662 |
[ |
|
2663 |
self atEnd |
|
2664 |
or:[ (aBlock value: (next := self peek)) ] |
|
2665 |
] whileFalse:[ |
|
2666 |
answerStream nextPut:next. |
|
2667 |
self next. |
|
2668 |
]. |
|
2669 |
^ answerStream contents |
|
2670 |
||
2671 |
" |
|
2672 |
#(1 2 3 4 5 6 7 8 9 10) readStream |
|
2673 |
upToElementForWhich:[:el | el > 5] |
|
2674 |
" |
|
2675 |
! |
|
2676 |
||
77 | 2677 |
upToEnd |
2678 |
"return a collection of the elements up-to the end. |
|
1403 | 2679 |
Return an empty collection, if the stream-end is already at the end." |
77 | 2680 |
|
2681 |
|answerStream| |
|
2682 |
||
2683 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2684 |
[self atEnd] whileFalse:[ |
|
2332 | 2685 |
answerStream nextPut:(self next) |
77 | 2686 |
]. |
2687 |
^ answerStream contents |
|
2688 |
||
275 | 2689 |
" |
2690 |
(ReadStream on:'1234567890') upToEnd |
|
2691 |
('123456' readStream) next; next; upToEnd |
|
427 | 2692 |
('1 23456' readStream) upTo:Character space; upToEnd |
1403 | 2693 |
('12' readStream) next; next; upToEnd |
275 | 2694 |
" |
1403 | 2695 |
|
2696 |
"Modified: 15.5.1996 / 18:00:39 / cg" |
|
16608 | 2697 |
! |
2698 |
||
2699 |
upToMatching:aBlock |
|
2700 |
"Return the next elements up to but not including the next element |
|
2701 |
for which aBlock returns true. |
|
2702 |
The next read will return that matching element. |
|
2703 |
If none matches, the remaining elements up to the end are returned." |
|
2704 |
||
2705 |
^ self upToElementForWhich:aBlock |
|
2706 |
"/ |answerStream element| |
|
2707 |
"/ |
|
2708 |
"/ answerStream := WriteStream on:(self contentsSpecies new). |
|
2709 |
"/ [self atEnd] whileFalse: [ |
|
2710 |
"/ element := self peek. |
|
2711 |
"/ (aBlock value:element) ifTrue: [^ answerStream contents]. |
|
2712 |
"/ answerStream nextPut:element. |
|
2713 |
"/ self next. |
|
2714 |
"/ ]. |
|
2715 |
"/ ^ answerStream contents |
|
2716 |
||
2717 |
" |
|
2718 |
'hello world' readStream upToMatching:[:c | c isSeparator]. |
|
2719 |
" |
|
2720 |
" |
|
2721 |
'helloworld' readStream upToMatching:[:c | c isSeparator]. |
|
2722 |
" |
|
2723 |
" |
|
2724 |
|s| |
|
2725 |
||
2726 |
s := 'hello world' readStream. |
|
2727 |
s upToMatching:[:c | c isSeparator]. |
|
2728 |
s upToEnd |
|
2729 |
" |
|
2730 |
||
2731 |
"Modified: 26.2.1997 / 12:20:57 / cg" |
|
2732 |
! |
|
2733 |
||
2734 |
upToSeparator |
|
2735 |
"Return the next elements up to but not including the next separator. |
|
2736 |
The next read will return the separator. |
|
2737 |
If no separator is encountered, the contents up to the end is returned. |
|
2738 |
The elements are supposed to understand #isSeparator |
|
2739 |
(i.e. the receiver is supposed to be a character-stream)." |
|
2740 |
||
2741 |
^ self upToElementForWhich:[:ch | ch isSeparator] |
|
2742 |
||
2743 |
" |
|
2744 |
'hello world' readStream upToSeparator |
|
2745 |
'helloworld' readStream upToSeparator |
|
2746 |
'helloworld' readStream upToSeparator |
|
2747 |
'' readStream upToSeparator |
|
2748 |
||
2749 |
|s| |
|
2750 |
s := 'hello world' readStream. |
|
2751 |
s upToSeparator. |
|
2752 |
s upToEnd |
|
2753 |
" |
|
2754 |
||
2755 |
"Modified: 4.1.1997 / 23:38:05 / cg" |
|
611 | 2756 |
! ! |
77 | 2757 |
|
6857 | 2758 |
!Stream methodsFor:'reading-strings'! |
3084 | 2759 |
|
2760 |
nextLine |
|
2761 |
"return the characters upTo (but excluding) the next cr (carriage return) |
|
2762 |
character (i.e. read a single line of text). |
|
13329 | 2763 |
If the previous-to-last character is a cr, this is also removed, |
2764 |
so its possible to read alien (i.e. ms-dos) text as well. |
|
3084 | 2765 |
Added for protocol compatibility with externalStreams." |
2766 |
||
13329 | 2767 |
|answerStream| |
2768 |
||
3462 | 2769 |
self atEnd ifTrue:[ |
8614 | 2770 |
^ self pastEndRead |
3462 | 2771 |
]. |
13329 | 2772 |
answerStream := WriteStream on:(self contentsSpecies new). |
2773 |
self upTo:Character cr into:answerStream. |
|
13330 | 2774 |
(answerStream size > 0 and:[answerStream last = Character return]) ifTrue:[ |
13329 | 2775 |
answerStream backStep. |
2776 |
]. |
|
2777 |
^ answerStream contents |
|
2778 |
||
3084 | 2779 |
|
3462 | 2780 |
"Modified: / 19.5.1998 / 17:26:25 / cg" |
3084 | 2781 |
! ! |
2782 |
||
12623 | 2783 |
|
611 | 2784 |
!Stream methodsFor:'testing'! |
77 | 2785 |
|
611 | 2786 |
atEnd |
2787 |
"return true if the end of the stream has been reached; |
|
2788 |
- we do not know here how to do it, it must be redefined in subclass" |
|
77 | 2789 |
|
611 | 2790 |
^ self subclassResponsibility |
9294 | 2791 |
! |
2792 |
||
2793 |
isEmpty |
|
2794 |
"return true, if the contents of the stream is empty" |
|
2795 |
||
2796 |
^ self subclassResponsibility |
|
2797 |
! |
|
2798 |
||
14092 | 2799 |
isEmptyOrNil |
2800 |
"return true, if the contents of the stream is empty |
|
2801 |
(we already know, that we are not nil)" |
|
2802 |
||
2803 |
^ self isEmpty |
|
2804 |
! |
|
2805 |
||
15048 | 2806 |
isEncodedStream |
2807 |
^ false |
|
2808 |
! |
|
2809 |
||
16085 | 2810 |
isLineNumberReadStream |
2811 |
^ false |
|
2812 |
! |
|
2813 |
||
15048 | 2814 |
isPositionable |
2815 |
"return true, if the stream supports positioning (some do not). |
|
2816 |
Since this is an abstract class, false is returned here - just to make certain." |
|
2817 |
||
2818 |
^ false |
|
2819 |
||
2820 |
"Modified: 15.5.1996 / 17:54:16 / cg" |
|
2821 |
! |
|
2822 |
||
2823 |
isPrinterStream |
|
2824 |
"return true, if this is a printerStream. |
|
2825 |
Since this is an abstract class, false is returned here." |
|
2826 |
||
2827 |
^ false |
|
2828 |
||
2829 |
"Modified: 15.5.1996 / 17:54:16 / cg" |
|
2830 |
"Created: 3.6.1996 / 12:05:35 / cg" |
|
2831 |
! |
|
2832 |
||
2833 |
isStream |
|
2834 |
"return true, if the receiver is some kind of Stream. Always return true here." |
|
2835 |
||
2836 |
^ true |
|
2837 |
||
2838 |
"Modified: 15.5.1996 / 17:54:48 / cg" |
|
2839 |
! |
|
2840 |
||
2841 |
isTerminalStream |
|
2842 |
^ false |
|
2843 |
! |
|
2844 |
||
15719 | 2845 |
isTextCollector |
2846 |
^ false |
|
2847 |
||
2848 |
" |
|
2849 |
Transcript isTextCollector |
|
2850 |
" |
|
2851 |
||
2852 |
"Created: / 29-08-2013 / 11:33:10 / cg" |
|
2853 |
! |
|
2854 |
||
9294 | 2855 |
notEmpty |
2856 |
"return true, if the contents of the stream is not empty" |
|
2857 |
||
2858 |
^ self isEmpty not |
|
14092 | 2859 |
! |
2860 |
||
2861 |
notEmptyOrNil |
|
2862 |
"return true, if the contents of the stream is empty |
|
2863 |
(we already know, that we are not nil)" |
|
2864 |
||
2865 |
^ self isEmpty not |
|
1 | 2866 |
! ! |
2867 |
||
11750 | 2868 |
!Stream methodsFor:'visiting'! |
2869 |
||
2870 |
acceptVisitor:aVisitor with:aParameter |
|
16720 | 2871 |
"dispatch for visitor pattern; send #visitStream:with: to aVisitor." |
2872 |
||
11750 | 2873 |
^ aVisitor visitStream:self with:aParameter |
2874 |
! ! |
|
2875 |
||
12399 | 2876 |
!Stream methodsFor:'waiting for I/O'! |
2877 |
||
2878 |
readWait |
|
2879 |
"suspend the current process, until the receiver |
|
2880 |
becomes ready for reading. If data is already available, |
|
2881 |
return immediate. |
|
2882 |
The other threads are not affected by the wait." |
|
2883 |
||
2884 |
^ self readWaitWithTimeoutMs:nil |
|
2885 |
! |
|
2886 |
||
12401 | 2887 |
readWaitTimeoutMs:timeout |
2888 |
"ST-80 compatibility" |
|
2889 |
^ self readWaitWithTimeoutMs:timeout |
|
2890 |
! |
|
2891 |
||
16402 | 2892 |
readWaitWithTimeout:secondsOrTimeDuration |
12399 | 2893 |
"suspend the current process, until the receiver |
2894 |
becomes ready for reading or a timeout (in seconds) expired. |
|
2895 |
If data is already available, return immediate. |
|
2896 |
With nil seconds, wait forever. |
|
2897 |
Return true if a timeout occured (i.e. false, if data is available). |
|
2898 |
The other threads are not affected by the wait." |
|
2899 |
||
2900 |
|ms| |
|
2901 |
||
16402 | 2902 |
secondsOrTimeDuration notNil ifTrue:[ |
2903 |
secondsOrTimeDuration isNumber ifTrue:[ |
|
2904 |
ms := secondsOrTimeDuration * 1000. |
|
2905 |
] ifFalse:[ |
|
2906 |
ms := secondsOrTimeDuration getMilliseconds. |
|
2907 |
] |
|
12399 | 2908 |
]. |
2909 |
^ self readWaitWithTimeoutMs:ms |
|
2910 |
! |
|
2911 |
||
2912 |
readWaitWithTimeoutMs:millis |
|
2913 |
"suspend the current process, until the receiver |
|
2914 |
becomes ready for reading or a timeout (in milliseconds) expired. |
|
2915 |
If data is already available, return immediate. |
|
2916 |
With nil millis, wait forever. |
|
2917 |
Return true if a timeout occured (i.e. false, if data is available). |
|
2918 |
The other threads are not affected by the wait." |
|
2919 |
||
2920 |
^ false "/ never have to wait |
|
2921 |
! |
|
2922 |
||
12401 | 2923 |
readWriteWait |
2924 |
"suspend the current process, until the receiver |
|
2925 |
becomes ready for writing or reading. |
|
2926 |
Return immediate if the receiver is already ready. |
|
2927 |
The other threads are not affected by the wait." |
|
2928 |
||
2929 |
self readWriteWaitWithTimeoutMs:nil |
|
2930 |
! |
|
2931 |
||
2932 |
readWriteWaitWithTimeoutMs:millis |
|
2933 |
^ false "/ never have to wait |
|
2934 |
! |
|
2935 |
||
12399 | 2936 |
writeWait |
12401 | 2937 |
"suspend the current process, until the receiver |
2938 |
becomes ready for writing. |
|
2939 |
Return immediate if the receiver is already ready. |
|
2940 |
The other threads are not affected by the wait." |
|
2941 |
||
2942 |
self writeWaitWithTimeoutMs:nil |
|
2943 |
! |
|
2944 |
||
2945 |
writeWaitTimeoutMs:timeout |
|
2946 |
"ST-80 compatibility" |
|
2947 |
^ self writeWaitWithTimeoutMs:timeout |
|
2948 |
! |
|
2949 |
||
16402 | 2950 |
writeWaitWithTimeout:secondsOrTimeDuration |
12401 | 2951 |
"suspend the current process, until the receiver |
2952 |
becomes ready for writing or a timeout (in seconds) expired. |
|
2953 |
Return true if a timeout occured (i.e. false, if data is available). |
|
2954 |
Return immediate if the receiver is already ready. |
|
2955 |
The other threads are not affected by the wait." |
|
2956 |
||
2957 |
|ms| |
|
2958 |
||
16402 | 2959 |
secondsOrTimeDuration notNil ifTrue:[ |
2960 |
secondsOrTimeDuration isNumber ifTrue:[ |
|
2961 |
ms := secondsOrTimeDuration * 1000. |
|
2962 |
] ifFalse:[ |
|
2963 |
ms := secondsOrTimeDuration getMilliseconds. |
|
2964 |
] |
|
12401 | 2965 |
]. |
2966 |
^ self writeWaitWithTimeoutMs:ms |
|
12399 | 2967 |
! |
2968 |
||
2969 |
writeWaitWithTimeoutMs:millis |
|
2970 |
^ false "/ never have to wait |
|
2971 |
! ! |
|
2972 |
||
62 | 2973 |
!Stream methodsFor:'writing'! |
1 | 2974 |
|
339 | 2975 |
commit |
1462
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2976 |
"alias for flush -- ST80 compatibility" |
339 | 2977 |
|
1462
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2978 |
^ self flush |
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2979 |
|
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2980 |
"Modified: 7.5.1996 / 23:55:39 / stefan" |
339 | 2981 |
! |
2982 |
||
611 | 2983 |
cr |
1403 | 2984 |
"append a carriage-return to the stream. |
2985 |
This is only allowed, if the receiver supports writing." |
|
611 | 2986 |
|
2987 |
self nextPut:(Character cr) |
|
1403 | 2988 |
|
2989 |
"Modified: 15.5.1996 / 18:01:21 / cg" |
|
611 | 2990 |
! |
2991 |
||
2992 |
crTab |
|
2993 |
"append a carriage-return followed by a tab to the stream. |
|
1403 | 2994 |
Same as crtab for ST/X backward compatibility. |
2995 |
This is only allowed, if the receiver supports writing." |
|
611 | 2996 |
|
5873 | 2997 |
<resource:#obsolete> |
2998 |
||
9061 | 2999 |
self obsoleteMethodWarning:'use #crtab'. |
611 | 3000 |
self crtab |
1403 | 3001 |
|
3002 |
"Modified: 15.5.1996 / 18:01:28 / cg" |
|
611 | 3003 |
! |
3004 |
||
9001 | 3005 |
crlf |
3006 |
"append a CR LF to the stream. |
|
3007 |
This is only allowed, if the receiver supports writing." |
|
3008 |
||
3009 |
self nextPut:(Character return); |
|
3010 |
nextPut:(Character lf). |
|
3011 |
! |
|
3012 |
||
611 | 3013 |
crtab |
1403 | 3014 |
"append a carriage-return followed by a tab to the stream. |
3015 |
This is only allowed, if the receiver supports writing." |
|
1 | 3016 |
|
611 | 3017 |
self crtab:1 |
1403 | 3018 |
|
3019 |
"Modified: 15.5.1996 / 18:01:35 / cg" |
|
611 | 3020 |
! |
3021 |
||
3022 |
crtab:n |
|
1403 | 3023 |
"append a carriage-return followed by n tabs to the stream. |
3024 |
This is only allowed, if the receiver supports writing." |
|
611 | 3025 |
|
3026 |
self nextPut:(Character cr). |
|
3027 |
self next:n put:(Character tab) |
|
1403 | 3028 |
|
3029 |
"Modified: 15.5.1996 / 18:01:39 / cg" |
|
611 | 3030 |
! |
3031 |
||
3032 |
endEntry |
|
3033 |
"ignored here - for compatibility with Transcript" |
|
3034 |
||
3035 |
^ self |
|
3036 |
! |
|
3037 |
||
3038 |
ff |
|
1403 | 3039 |
"append a form-feed (new-pagee) to the receiver-stream. |
3040 |
This is only allowed, if the receiver supports writing." |
|
611 | 3041 |
|
3042 |
self nextPut:(Character ff) |
|
1403 | 3043 |
|
3044 |
"Modified: 15.5.1996 / 18:01:47 / cg" |
|
1 | 3045 |
! |
3046 |
||
701 | 3047 |
flush |
1462
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
3048 |
"write out all unbuffered data - ignored here, but added |
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
3049 |
to make internalStreams protocol compatible with externalStreams" |
701 | 3050 |
|
1462
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
3051 |
"Modified: 7.5.1996 / 23:54:53 / stefan" |
701 | 3052 |
! |
3053 |
||
16453 | 3054 |
format:formatSpec with:args |
3055 |
"convenient formatted printing: |
|
3056 |
%1..%9 - positional parameters from args-collection |
|
3057 |
%(name) - named parameter from args-dictionary |
|
3058 |
%% - escape for % |
|
3059 |
%<cr> - cr (also tab, nl)" |
|
3060 |
||
3061 |
formatSpec expandPlaceholders:$% with:args on:self |
|
3062 |
||
3063 |
" |
|
3064 |
1 to: 10 do:[:i | |
|
3065 |
Transcript |
|
3066 |
format:'[%1] Hello %2 World - this is %3%<cr>' |
|
3067 |
with:{i . 'my' . 'nice'} |
|
3068 |
]. |
|
3069 |
" |
|
3070 |
! |
|
3071 |
||
1 | 3072 |
next:count put:anObject |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3073 |
"put the argument, anObject count times onto the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3074 |
This is only allowed, if the receiver supports writing." |
1 | 3075 |
|
345 | 3076 |
|n "{ Class: SmallInteger }"| |
3077 |
||
3078 |
n := count. |
|
3079 |
n timesRepeat:[self nextPut:anObject]. |
|
12132 | 3080 |
"/ ^ anObject -- return self |
62 | 3081 |
|
3082 |
" |
|
3083 |
|s| |
|
3084 |
||
3085 |
s := WriteStream on:#(). |
|
3086 |
s nextPut:1. |
|
3087 |
s next:5 put:2. |
|
3088 |
s nextPut:3. |
|
3089 |
s contents |
|
3090 |
" |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3091 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3092 |
"Modified: 11.7.1996 / 10:00:13 / cg" |
1 | 3093 |
! |
3094 |
||
14792 | 3095 |
next:count putAll:aCollection |
3096 |
"put all elements from the argument, aCollection count times onto the receiver. |
|
3097 |
This is only allowed, if the receiver supports writing." |
|
3098 |
||
3099 |
|n "{ Class: SmallInteger }"| |
|
3100 |
||
3101 |
n := count. |
|
3102 |
n timesRepeat:[self nextPutAll:aCollection]. |
|
3103 |
"/ ^ anObject -- return self |
|
3104 |
||
3105 |
" |
|
3106 |
|s| |
|
3107 |
||
3108 |
s := WriteStream on:(String new). |
|
3109 |
s next:5 putAll:'Hello'. |
|
3110 |
s contents |
|
3111 |
" |
|
3112 |
! |
|
3113 |
||
611 | 3114 |
nextPut:anObject |
3115 |
"put the argument, anObject onto the receiver |
|
3116 |
- we do not know here how to do it, it must be redefined in subclass" |
|
3117 |
||
3118 |
^ self subclassResponsibility |
|
3119 |
! |
|
3120 |
||
1 | 3121 |
nextPutAll:aCollection |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3122 |
"put all elements of the argument, aCollection onto the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3123 |
This is only allowed, if the receiver supports writing." |
1 | 3124 |
|
3125 |
aCollection do:[:element | |
|
12134 | 3126 |
self nextPut:element |
1 | 3127 |
]. |
62 | 3128 |
|
3129 |
" |
|
3130 |
|s| |
|
3131 |
||
3132 |
s := WriteStream on:#(). |
|
3133 |
s nextPutAll:(1 to:5). |
|
3134 |
s nextPutAll:#('one' 'two' 'three'). |
|
3135 |
s contents |
|
3136 |
" |
|
3137 |
" |
|
3138 |
|s| |
|
3139 |
||
3140 |
s := WriteStream on:(String new). |
|
3141 |
s nextPutAll:($a to:$f). |
|
3142 |
s nextPutAll:'one '; |
|
3143 |
nextPutAll:'two '; |
|
3144 |
nextPutAll:'three'. |
|
3145 |
s contents |
|
3146 |
" |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3147 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3148 |
"Modified: 11.7.1996 / 10:00:21 / cg" |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3149 |
! |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3150 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3151 |
nextPutAll:aCollection startingAt:first |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3152 |
"append the elements starting with index to the end |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3153 |
of the argument, aCollection onto the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3154 |
This is only allowed, if the receiver supports writing." |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3155 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3156 |
self nextPutAll:aCollection startingAt:first to:(aCollection size). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3157 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3158 |
" |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3159 |
|s| |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3160 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3161 |
s := WriteStream on:#(). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3162 |
s nextPutAll:#('one' 'two' 'three' 'four' 'five') startingAt:2. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3163 |
s contents |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3164 |
" |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3165 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3166 |
"Modified: 11.7.1996 / 10:00:28 / cg" |
1 | 3167 |
! |
3168 |
||
3169 |
nextPutAll:aCollection startingAt:first to:last |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3170 |
"append the elements with index from first to last |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3171 |
of the argument, aCollection onto the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3172 |
This is only allowed, if the receiver supports writing." |
1 | 3173 |
|
3174 |
aCollection from:first to:last do:[:element | |
|
2332 | 3175 |
self nextPut:element |
1 | 3176 |
]. |
3177 |
^ aCollection |
|
62 | 3178 |
|
3179 |
" |
|
3180 |
|s| |
|
3181 |
||
3182 |
s := WriteStream on:#(). |
|
3183 |
s nextPutAll:#('one' 'two' 'three' 'four' 'five') startingAt:2 to:4. |
|
3184 |
s contents |
|
3185 |
" |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3186 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3187 |
"Modified: 11.7.1996 / 10:00:32 / cg" |
1 | 3188 |
! |
3189 |
||
14263 | 3190 |
nextPutAllLines:aCollectionOfStrings |
3191 |
"put all elements of the argument, aCollection as individual lines |
|
3192 |
onto the receiver, append a cr (carriage return) after each. |
|
3193 |
This is only useful with character streams in textMode, |
|
3194 |
and only allowed, if the receiver supports writing." |
|
3195 |
||
3196 |
aCollectionOfStrings do:[:eachLine | |
|
3197 |
self nextPutLine:eachLine. |
|
3198 |
]. |
|
3199 |
||
3200 |
"Modified: / 08-11-1996 / 23:53:41 / cg" |
|
3201 |
"Created: / 27-07-2012 / 09:26:09 / cg" |
|
3202 |
! |
|
3203 |
||
11322 | 3204 |
nextPutAllText:aText |
3205 |
"normal streams can not handle text/emphasis, so convert aText to the string" |
|
3206 |
||
3207 |
aText string printOn:self. |
|
3208 |
! |
|
3209 |
||
3210 |
nextPutAllUnicode:aString |
|
3211 |
"normal streams can not handle multi-byte characters, so convert them to utf8" |
|
3212 |
||
3213 |
aString do:[:eachCharacter| |
|
3214 |
self nextPutUtf8:eachCharacter. |
|
3215 |
]. |
|
3216 |
! |
|
3217 |
||
5628
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
3218 |
nextPutAllUntranslated:aCollection |
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
3219 |
"for compatibility with printStreams (putAll - as-is without escapes)" |
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
3220 |
|
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
3221 |
self nextPutAll:aCollection |
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
3222 |
! |
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
3223 |
|
743 | 3224 |
nextPutLine:aCollection |
3225 |
"put all elements of the argument, aCollection onto the receiver, |
|
16454 | 3226 |
and append a cr (carriage return). aCollection should contain characters. |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3227 |
This is only useful with character streams in textMode, |
1949 | 3228 |
and only allowed, if the receiver supports writing." |
743 | 3229 |
|
3230 |
self nextPutAll:aCollection. |
|
3231 |
self cr. |
|
3232 |
||
3233 |
"Created: 13.12.1995 / 10:49:17 / cg" |
|
1949 | 3234 |
"Modified: 8.11.1996 / 23:53:41 / cg" |
743 | 3235 |
! |
3236 |
||
11322 | 3237 |
nextPutUnicode:aCharacter |
3238 |
"normal streams can not handle multi-byte characters, so convert them to utf8" |
|
3239 |
||
3240 |
self nextPutUtf8:aCharacter. |
|
3241 |
! |
|
3242 |
||
611 | 3243 |
print:anObject |
3244 |
"append a printed representation of anObject to the receiver. |
|
1403 | 3245 |
Same as 'anObject printOn:self'; Added for ST-80 compatibility." |
2 | 3246 |
|
611 | 3247 |
anObject printOn:self |
1403 | 3248 |
|
3249 |
" |
|
3250 |
|s| |
|
3251 |
||
3252 |
s := WriteStream on:''. |
|
3253 |
s nextPutAll:'one '; |
|
3254 |
print:1; |
|
3255 |
nextPutAll:' two '; |
|
3256 |
print:2. |
|
3257 |
||
3258 |
s contents |
|
3259 |
" |
|
3260 |
||
3261 |
"Modified: 15.5.1996 / 18:06:06 / cg" |
|
2 | 3262 |
! |
3263 |
||
14360 | 3264 |
printCR:anObject |
3265 |
"append a printed representation of anObject to the receiver, |
|
3266 |
followed by a newline character." |
|
3267 |
||
3268 |
self print:anObject. |
|
3269 |
self cr. |
|
3270 |
||
3271 |
"Created: / 26-09-2012 / 18:21:06 / cg" |
|
3272 |
! |
|
3273 |
||
1403 | 3274 |
show:something |
3275 |
"append a printed representation of the argument to the stream. |
|
3276 |
This makes streams somewhat compatible to TextCollectors and |
|
3277 |
allows you to say: |
|
10920 | 3278 |
Smalltalk at:#Transcript put:Stdout |
1422 | 3279 |
or to use #show:/#showCR: with internal or external streams." |
1 | 3280 |
|
10920 | 3281 |
something printOn:self |
1 | 3282 |
! |
3283 |
||
11863 | 3284 |
show:something with:arg |
11949 | 3285 |
"append a printed representation of the argument to the stream, expanding |
3286 |
the placeHolder %1 with the printString of arg. |
|
3287 |
This makes streams somewhat compatible to TextCollectors and |
|
3288 |
allows you to say: |
|
3289 |
Smalltalk at:#Transcript put:Stdout |
|
3290 |
or to use #show:/#showCR: with internal or external streams." |
|
3291 |
||
13027 | 3292 |
self show:(something bindWith:arg) |
3293 |
||
3294 |
"Modified: / 19-08-2010 / 15:42:00 / cg" |
|
11863 | 3295 |
! |
3296 |
||
3297 |
show:something with:arg1 with:arg2 |
|
11949 | 3298 |
"append a printed representation of the argument to the stream, expanding |
3299 |
the placeHolders %1 and %2 with the printStrings of arg1 and arg2. |
|
3300 |
This makes streams somewhat compatible to TextCollectors and |
|
3301 |
allows you to say: |
|
3302 |
Smalltalk at:#Transcript put:Stdout |
|
3303 |
or to use #show:/#showCR: with internal or external streams." |
|
3304 |
||
13027 | 3305 |
self show:(something bindWith:arg1 with:arg2) |
3306 |
||
3307 |
"Modified: / 19-08-2010 / 15:42:09 / cg" |
|
11863 | 3308 |
! |
3309 |
||
3310 |
show:something with:arg1 with:arg2 with:arg3 |
|
11949 | 3311 |
"append a printed representation of the argument to the stream, expanding |
3312 |
the placeHolders %1,%2 and %3 with the printStrings of arg1, arg2 and arg3. |
|
3313 |
This makes streams somewhat compatible to TextCollectors and |
|
3314 |
allows you to say: |
|
3315 |
Smalltalk at:#Transcript put:Stdout |
|
3316 |
or to use #show:/#showCR: with internal or external streams." |
|
3317 |
||
13027 | 3318 |
self show:(something bindWith:arg1 with:arg2 with:arg3) |
3319 |
||
3320 |
"Modified: / 19-08-2010 / 15:42:17 / cg" |
|
3321 |
! |
|
3322 |
||
3323 |
show:something with:arg1 with:arg2 with:arg3 with:arg4 |
|
3324 |
"append a printed representation of the argument to the stream, expanding |
|
3325 |
the placeHolders %1,%2 and %3 with the printStrings of arg1, arg2 and arg3. |
|
3326 |
This makes streams somewhat compatible to TextCollectors and |
|
3327 |
allows you to say: |
|
3328 |
Smalltalk at:#Transcript put:Stdout |
|
3329 |
or to use #show:/#showCR: with internal or external streams." |
|
3330 |
||
3331 |
self show:(something bindWith:arg1 with:arg2 with:arg3 with:arg4) |
|
3332 |
||
3333 |
"Created: / 19-08-2010 / 15:42:25 / cg" |
|
11863 | 3334 |
! |
3335 |
||
15711 | 3336 |
show:something withArguments:args |
3337 |
"append a printed representation of the argument to the stream, expanding |
|
3338 |
the placeHolders %1,%2 and %3 with the printStrings of argi. |
|
3339 |
This makes streams somewhat compatible to TextCollectors and |
|
3340 |
allows you to say: |
|
3341 |
Smalltalk at:#Transcript put:Stdout |
|
3342 |
or to use #show:/#showCR: with internal or external streams." |
|
3343 |
||
3344 |
self show:(something bindWithArguments:args) |
|
3345 |
! |
|
3346 |
||
1414 | 3347 |
showCR:aString |
1403 | 3348 |
"append a printed representation of the argument to the stream |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3349 |
and append a newline character. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3350 |
This makes streams somewhat compatible to TextCollectors and |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3351 |
allows you to say: |
2332 | 3352 |
Smalltalk at:#Transcript put:Stdout |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3353 |
or to use #show:/#showCR: with internal or external streams." |
1 | 3354 |
|
3355 |
self show:aString. |
|
3356 |
self cr |
|
1403 | 3357 |
|
1414 | 3358 |
"Created: 18.5.1996 / 15:34:17 / cg" |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3359 |
"Modified: 11.7.1996 / 10:01:27 / cg" |
1414 | 3360 |
! |
3361 |
||
13027 | 3362 |
showCR:something with:arg |
3363 |
"append a printed representation of the argument to the stream, expanding |
|
3364 |
the placeHolder %1 with the printString of arg. |
|
3365 |
This makes streams somewhat compatible to TextCollectors and |
|
3366 |
allows you to say: |
|
3367 |
Smalltalk at:#Transcript put:Stdout |
|
3368 |
or to use #show:/#showCR: with internal or external streams." |
|
3369 |
||
3370 |
self showCR:(something bindWith:arg) |
|
3371 |
||
3372 |
"Created: / 19-08-2010 / 15:41:46 / cg" |
|
3373 |
! |
|
3374 |
||
3375 |
showCR:something with:arg1 with:arg2 |
|
3376 |
"append a printed representation of the argument to the stream, expanding |
|
3377 |
the placeHolders %1 and %2 with the printStrings of arg1 and arg2. |
|
3378 |
This makes streams somewhat compatible to TextCollectors and |
|
3379 |
allows you to say: |
|
3380 |
Smalltalk at:#Transcript put:Stdout |
|
3381 |
or to use #show:/#showCR: with internal or external streams." |
|
3382 |
||
3383 |
self showCR:(something bindWith:arg1 with:arg2) |
|
3384 |
||
3385 |
"Created: / 19-08-2010 / 15:42:37 / cg" |
|
3386 |
! |
|
3387 |
||
3388 |
showCR:something with:arg1 with:arg2 with:arg3 |
|
3389 |
"append a printed representation of the argument to the stream, expanding |
|
3390 |
the placeHolders %1,%2 and %3 with the printStrings of arg1, arg2 and arg3. |
|
3391 |
This makes streams somewhat compatible to TextCollectors and |
|
3392 |
allows you to say: |
|
3393 |
Smalltalk at:#Transcript put:Stdout |
|
3394 |
or to use #show:/#showCR: with internal or external streams." |
|
3395 |
||
3396 |
self showCR:(something bindWith:arg1 with:arg2 with:arg3) |
|
3397 |
||
3398 |
"Created: / 19-08-2010 / 15:42:43 / cg" |
|
3399 |
! |
|
3400 |
||
3401 |
showCR:something with:arg1 with:arg2 with:arg3 with:arg4 |
|
3402 |
"append a printed representation of the argument to the stream, expanding |
|
3403 |
the placeHolders %1,%2 and %3 with the printStrings of arg1, arg2 and arg3. |
|
3404 |
This makes streams somewhat compatible to TextCollectors and |
|
3405 |
allows you to say: |
|
3406 |
Smalltalk at:#Transcript put:Stdout |
|
3407 |
or to use #show:/#showCR: with internal or external streams." |
|
3408 |
||
3409 |
self showCR:(something bindWith:arg1 with:arg2 with:arg3 with:arg4) |
|
3410 |
||
3411 |
"Created: / 19-08-2010 / 15:42:50 / cg" |
|
3412 |
! |
|
3413 |
||
15711 | 3414 |
showCR:something withArguments:args |
3415 |
"append a printed representation of the argument to the stream, expanding |
|
3416 |
the placeHolders %1,%2 and %3 with the printStrings of argi. |
|
3417 |
This makes streams somewhat compatible to TextCollectors and |
|
3418 |
allows you to say: |
|
3419 |
Smalltalk at:#Transcript put:Stdout |
|
3420 |
or to use #show:/#showCR: with internal or external streams." |
|
3421 |
||
3422 |
self showCR:(something bindWithArguments:args) |
|
3423 |
! |
|
3424 |
||
1414 | 3425 |
showCr:aString |
3426 |
"append a printed representation of the argument to the stream |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3427 |
and append a newline character. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3428 |
This is obsolete ST/X backward compatibility; use #showCR:" |
1414 | 3429 |
|
5873 | 3430 |
<resource:#obsolete> |
3431 |
||
1414 | 3432 |
self obsoleteMethodWarning:'use #showCR:'. |
3433 |
self showCR:aString. |
|
3434 |
||
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3435 |
"Modified: 11.7.1996 / 10:01:50 / cg" |
62 | 3436 |
! |
3437 |
||
3438 |
space |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3439 |
"append a space character to the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3440 |
This is only allowed, if the receiver supports writing." |
62 | 3441 |
|
3442 |
self nextPut:(Character space) |
|
1403 | 3443 |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3444 |
"Modified: 11.7.1996 / 10:02:06 / cg" |
62 | 3445 |
! |
3446 |
||
3447 |
spaces:count |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3448 |
"append count space-characters to the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3449 |
This is only allowed, if the receiver supports writing." |
62 | 3450 |
|
3451 |
self next:count put:(Character space) |
|
1403 | 3452 |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3453 |
"Modified: 11.7.1996 / 10:02:10 / cg" |
62 | 3454 |
! |
3455 |
||
611 | 3456 |
store:anObject |
3457 |
"append a printed representation of anObject to the receiver, |
|
1403 | 3458 |
from which the receiver can be reconstructed (i.e. its storeString). |
3459 |
Same as 'anObject storeOn:self'; Added for ST-80 compatibility." |
|
77 | 3460 |
|
611 | 3461 |
anObject storeOn:self |
1403 | 3462 |
|
3463 |
"Modified: 15.5.1996 / 18:05:55 / cg" |
|
77 | 3464 |
! |
3465 |
||
8645 | 3466 |
sync |
3467 |
"write out all unbuffered data - ignored here, but added |
|
3468 |
to make internalStreams protocol compatible with externalStreams" |
|
3469 |
! |
|
3470 |
||
11649 | 3471 |
syncData |
3472 |
"write out all unbuffered data - ignored here, but added |
|
3473 |
to make internalStreams protocol compatible with externalStreams" |
|
3474 |
! |
|
3475 |
||
611 | 3476 |
tab |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3477 |
"append a tab-character to the stream. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3478 |
This is only allowed, if the receiver supports writing." |
77 | 3479 |
|
611 | 3480 |
self nextPut:(Character tab) |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3481 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
3482 |
"Modified: 11.7.1996 / 10:02:20 / cg" |
2443 | 3483 |
! |
3484 |
||
3485 |
tab:count |
|
3486 |
"append count tab-characters to the receiver. |
|
3487 |
This is only allowed, if the receiver supports writing." |
|
3488 |
||
3489 |
self next:count put:(Character tab) |
|
3490 |
||
3491 |
"Modified: 11.7.1996 / 10:02:10 / cg" |
|
77 | 3492 |
! ! |
3493 |
||
8054
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3494 |
!Stream methodsFor:'writing-chunks'! |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3495 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3496 |
nextChunkPut:aString |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3497 |
"put aString as a chunk onto the receiver; |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3498 |
double all exclamation marks except within primitives and append a |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3499 |
single delimiting exclamation mark at the end. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3500 |
This modification of the chunk format (not doubling exclas in primitive code) |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3501 |
was done to have primitive code more readable and easier be edited in the fileBrowser |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3502 |
or other editors. |
15086 | 3503 |
It's no incompatibility, since inline primitives are an ST/X special |
8054
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3504 |
and code containing ST/X primitives cannot be loaded into other smalltalks anyway." |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3505 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3506 |
self nextPutAllAsChunk:aString. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3507 |
self nextPut:(self class chunkSeparator) |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3508 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3509 |
"Modified: 9.12.1995 / 15:56:54 / cg" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3510 |
! |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3511 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3512 |
nextPutAllAsChunk:aString |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3513 |
"put aString as a chunk onto the receiver; |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3514 |
double all exclamation marks except within primitives. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3515 |
This modification of the chunk format (not doubling exclas in primitive code) |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3516 |
was done to have primitive code more readable and easier be edited in the fileBrowser |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3517 |
or other editors. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3518 |
Its no incompatibility, since inline primitives are an ST/X special |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3519 |
and code containing ST/X primitives cannot be loaded into other smalltalks anyway." |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3520 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3521 |
|sep stopChars inPrimitive character |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3522 |
index "{ Class:SmallInteger }" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3523 |
endIndex "{ Class:SmallInteger }" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3524 |
stop "{ Class:SmallInteger }" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3525 |
next "{ Class:SmallInteger }"| |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3526 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3527 |
endIndex := aString size. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3528 |
endIndex == 0 ifTrue:[^ self]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3529 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3530 |
sep := self class chunkSeparator. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3531 |
stopChars := '{}' copyWith:sep. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3532 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3533 |
inPrimitive := false. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3534 |
index := 1. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3535 |
stop := endIndex + 1. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3536 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3537 |
[index <= endIndex] whileTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3538 |
" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3539 |
find position of next interesting character; |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3540 |
output stuff up to that one in one piece |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3541 |
" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3542 |
next := aString indexOfAny:stopChars startingAt:index ifAbsent:stop. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3543 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3544 |
((index == 1) and:[next == stop]) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3545 |
self nextPutAll:aString |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3546 |
] ifFalse:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3547 |
self nextPutAll:aString startingAt:index to:(next - 1) |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3548 |
]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3549 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3550 |
index := next. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3551 |
(index <= endIndex) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3552 |
character := aString at:index. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3553 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3554 |
(character == ${ ) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3555 |
"/ starts a primitive |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3556 |
((index > 1) and:[(aString at:index-1) == $%]) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3557 |
inPrimitive := true |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3558 |
] |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3559 |
] ifFalse:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3560 |
"/ ends a primitive |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3561 |
(character == $} ) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3562 |
((index > 1) and:[(aString at:index-1) == $%]) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3563 |
inPrimitive := false |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3564 |
] |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3565 |
] ifFalse:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3566 |
"/ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3567 |
"/ exclas have to be doubled - except if within a primitive |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3568 |
"/ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3569 |
inPrimitive ifFalse:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3570 |
(character == sep) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3571 |
self nextPut:sep |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3572 |
] |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3573 |
] |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3574 |
] |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3575 |
]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3576 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3577 |
self nextPut:character. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3578 |
index := index + 1. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3579 |
]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3580 |
]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3581 |
(aString endsWith:Character cr) ifFalse:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3582 |
self cr. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3583 |
]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3584 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3585 |
"Modified: / 21.4.1998 / 17:22:47 / cg" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3586 |
"/ foo |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3587 |
! |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3588 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3589 |
nextPutChunkSeparator |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3590 |
"append a chunk separator character" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3591 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3592 |
self nextPut:(self class chunkSeparator) |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3593 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3594 |
"Created: 13.9.1995 / 17:39:26 / claus" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3595 |
! ! |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
3596 |
|
1949 | 3597 |
!Stream class methodsFor:'documentation'! |
701 | 3598 |
|
3599 |
version |
|
16720 | 3600 |
^ '$Header: /cvs/stx/stx/libbasic/Stream.st,v 1.224 2014-07-09 16:20:25 cg Exp $' |
12093 | 3601 |
! |
3602 |
||
3603 |
version_CVS |
|
16720 | 3604 |
^ '$Header: /cvs/stx/stx/libbasic/Stream.st,v 1.224 2014-07-09 16:20:25 cg Exp $' |
701 | 3605 |
! ! |
6857 | 3606 |
|
14792 | 3607 |
|
611 | 3608 |
Stream initialize! |