author | Claus Gittinger <cg@exept.de> |
Wed, 20 Aug 2008 22:37:36 +0200 | |
changeset 11138 | 8a99f147debf |
parent 11134 | 42537fdb424e |
child 11249 | 1718c59b850f |
permissions | -rw-r--r-- |
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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 |
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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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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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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 |
|
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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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PositionErrorSignal := PositionError. |
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PositionErrorSignal notifierString:'stream has no concept of a position'. |
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ReadErrorSignal := ReadError. |
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ReadErrorSignal notifierString:'read error'. |
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WriteErrorSignal := WriteError. |
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WriteErrorSignal notifierString:'write error'. |
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LineTooLongErrorSignal := QuerySignal new. |
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LineTooLongErrorSignal parent:StreamError. |
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LineTooLongErrorSignal nameClass:self message:#lineTooLongErrorSignal. |
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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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incompleteNextCountSignal |
148 |
"return the signal raised if not all requested elements are returned" |
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^ 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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|
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"Created: / 15.10.1998 / 12:11:14 / cg" |
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! |
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positionErrorSignal |
162 |
"return the signal raised if positioning is requested for |
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163 |
a stream which does not support that kind of operation" |
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^ PositionError |
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! |
167 |
||
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readErrorSignal |
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"return the signal raised on read errors" |
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^ ReadError |
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! |
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|
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streamErrorSignal |
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"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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^ StreamError |
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! |
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|
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writeErrorSignal |
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"return the signal raised on write errors" |
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185 |
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^ WriteError |
1 | 187 |
! ! |
188 |
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!Stream class methodsFor:'constants'! |
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|
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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 |
|
11138 | 197 |
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1 | 198 |
!Stream methodsFor:'accessing'! |
199 |
||
200 |
contents |
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62 | 201 |
"return the entire contents of the stream |
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202 |
- we do not know here how to do it, it must be redefined in subclasses." |
1 | 203 |
|
204 |
^ self subclassResponsibility |
|
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205 |
|
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206 |
"Modified: 15.5.1996 / 17:36:29 / cg" |
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207 |
! |
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ST80 compatibility: generate signal at end of stream when instance variable
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208 |
|
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209 |
signalAtEnd |
3105 | 210 |
"return the signalAtEnd flag setting. |
211 |
If true, reading past the end will always raise an EndOfStream exception. |
|
212 |
If false, no exception is raised and nil is returned from all reading messages. |
|
213 |
If nil (default), the exception is raised if there is a handler; otherwise, nil is returned. |
|
214 |
The default is nil (for ST80 compatibility) i.e. to only raise a signal if there is a handler." |
|
970
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215 |
|
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216 |
^ signalAtEnd |
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diff
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|
217 |
|
3b59c9b38dbb
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|
218 |
"Created: 5.2.1996 / 18:24:53 / stefan" |
1402
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
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|
219 |
"Modified: 15.5.1996 / 17:35:55 / cg" |
970
3b59c9b38dbb
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|
220 |
! |
3b59c9b38dbb
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diff
changeset
|
221 |
|
1402
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|
222 |
signalAtEnd:aBoolean |
82462d153a7d
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|
223 |
"set the signalAtEnd flag setting. If true, reading past the end |
82462d153a7d
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diff
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|
224 |
will raise an EndOfStream exception. If false, no exception is |
82462d153a7d
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|
225 |
raised and nil is returned from all reading messages. |
3590
d22de87c7fbd
removed endOfStreamQuery - instead, handle unhandled exception
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3586
diff
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|
226 |
The default is to raise a signal, but return nil if |
d22de87c7fbd
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|
227 |
not handled." |
970
3b59c9b38dbb
ST80 compatibility: generate signal at end of stream when instance variable
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diff
changeset
|
228 |
|
1402
82462d153a7d
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|
229 |
signalAtEnd := aBoolean. |
970
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|
230 |
|
3591 | 231 |
"default behavior: return nil if unhandled ... |
232 |
|s| |
|
233 |
||
234 |
s := '12' readStream. |
|
235 |
Transcript showCR:s next. |
|
236 |
Transcript showCR:s next. |
|
237 |
Transcript showCR:s next. |
|
238 |
Transcript showCR:s next. |
|
239 |
" |
|
240 |
||
241 |
"... raise error if handled. |
|
242 |
|s| |
|
243 |
||
244 |
s := '12' readStream. |
|
245 |
Stream endOfStreamSignal handle:[:ex | |
|
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workaround bitShift-bitOr codeGenerator bug in stc
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|
246 |
Transcript showCR:'end reached'. |
d6ffb0101dde
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|
247 |
ex return |
3591 | 248 |
] do:[ |
6373
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|
249 |
Transcript showCR:s next. |
d6ffb0101dde
workaround bitShift-bitOr codeGenerator bug in stc
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|
250 |
Transcript showCR:s next. |
d6ffb0101dde
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|
251 |
Transcript showCR:s next. |
d6ffb0101dde
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|
252 |
Transcript showCR:s next. |
3591 | 253 |
] |
254 |
" |
|
255 |
||
256 |
"force raise (useful for debugging): |
|
257 |
|s| |
|
258 |
||
259 |
s := '12' readStream. |
|
260 |
s signalAtEnd:true. |
|
261 |
Transcript showCR:s next. |
|
262 |
Transcript showCR:s next. |
|
263 |
Transcript showCR:s next. |
|
264 |
Transcript showCR:s next. |
|
265 |
" |
|
266 |
||
267 |
||
268 |
"force no-raise (useful for compatibility with other systems): |
|
269 |
|s| |
|
270 |
||
271 |
s := '12' readStream. |
|
272 |
s signalAtEnd:false. |
|
273 |
Stream endOfStreamSignal handle:[:ex | |
|
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|
274 |
Transcript showCR:'end reached'. |
d6ffb0101dde
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|
275 |
ex return |
3591 | 276 |
] do:[ |
6373
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|
277 |
Transcript showCR:s next. |
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|
278 |
Transcript showCR:s next. |
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|
279 |
Transcript showCR:s next. |
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|
280 |
Transcript showCR:s next. |
3591 | 281 |
] |
282 |
" |
|
283 |
||
284 |
"Modified: / 16.6.1998 / 16:04:41 / cg" |
|
1 | 285 |
! ! |
286 |
||
611 | 287 |
!Stream methodsFor:'closing'! |
288 |
||
289 |
close |
|
290 |
"close the stream - nothing done here. |
|
291 |
Added for compatibility with external streams." |
|
292 |
||
293 |
^ self |
|
294 |
! ! |
|
295 |
||
8630 | 296 |
!Stream methodsFor:'converting'! |
297 |
||
298 |
asStream |
|
299 |
^ self |
|
300 |
! ! |
|
301 |
||
1401 | 302 |
!Stream methodsFor:'emphasis'! |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
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diff
changeset
|
303 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
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diff
changeset
|
304 |
bold |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
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1447
diff
changeset
|
305 |
"set emphasis to #bold. |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
306 |
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
|
307 |
|
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
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1447
diff
changeset
|
308 |
self emphasis:#bold. |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
309 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
310 |
"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
|
311 |
"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
|
312 |
! |
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 |
boldItalic |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
315 |
"set emphasis to #boldItalic |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
316 |
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
|
317 |
|
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
318 |
self emphasis:#(bold italic). |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
319 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
320 |
"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
|
321 |
"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
|
322 |
! |
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 |
emphasis |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
325 |
"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
|
326 |
text streams" |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
327 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
328 |
^ nil |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
329 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
330 |
"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
|
331 |
! |
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 |
emphasis:anEmphasis |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
334 |
"ignored here. |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
335 |
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
|
336 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
337 |
^ self |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
338 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
339 |
"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
|
340 |
! |
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 |
italic |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
343 |
"set emphasis to #italic. |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
344 |
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
|
345 |
|
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
346 |
self emphasis:#italic. |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
347 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
348 |
"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
|
349 |
"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
|
350 |
! |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
351 |
|
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
352 |
normal |
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
353 |
"set emphasis to #normal. |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
354 |
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
|
355 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
356 |
self emphasis:nil |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
357 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
358 |
"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
|
359 |
"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
|
360 |
! |
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 |
strikeout |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
363 |
"set emphasis to #strikeout. |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
364 |
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
|
365 |
|
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
366 |
self emphasis:#strikeout. |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
367 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
368 |
"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
|
369 |
"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
|
370 |
! |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
371 |
|
1448
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
372 |
underline |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
373 |
"set emphasis to #underline. |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
374 |
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
|
375 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
376 |
self emphasis:#underline. |
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
377 |
|
0d59ce5c4915
reduce all emphasis change messages to single #emphasis:
Claus Gittinger <cg@exept.de>
parents:
1447
diff
changeset
|
378 |
"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
|
379 |
"Modified: 3.6.1996 / 17:15:38 / cg" |
1398
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
380 |
! ! |
6c594289c589
emphasis stuff moved up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1371
diff
changeset
|
381 |
|
1401 | 382 |
!Stream methodsFor:'enumerating'! |
383 |
||
384 |
do:aBlock |
|
385 |
"evaluate the argument, aBlock for all remaining elements, |
|
386 |
up to the end of the stream" |
|
387 |
||
388 |
[self atEnd] whileFalse:[ |
|
389 |
aBlock value:(self next) |
|
390 |
] |
|
391 |
||
392 |
" |
|
393 |
|s| |
|
394 |
s := ReadStream on:#(1 2 3 4 5 6 7 8 9). |
|
395 |
s next. |
|
396 |
s next. |
|
1422 | 397 |
s do:[:element | Transcript showCR:element] |
1401 | 398 |
" |
6384 | 399 |
! |
400 |
||
401 |
linesDo:aBlock |
|
402 |
"evaluate the argument, aBlock for all lines, |
|
403 |
up to the end of the stream" |
|
404 |
||
405 |
[self atEnd] whileFalse:[ |
|
406 |
aBlock value:(self nextLine) |
|
407 |
] |
|
408 |
||
409 |
" |
|
410 |
|s| |
|
411 |
s := '/etc/hosts' asFilename readStream. |
|
412 |
s linesDo:[:line | Transcript showCR:line]. |
|
413 |
s close |
|
414 |
" |
|
415 |
||
416 |
" |
|
417 |
Filename readingFile:'/etc/hosts' |
|
418 |
do:[:s | |
|
419 |
s linesDo:[:line | Transcript showCR:line]. |
|
420 |
]. |
|
421 |
" |
|
1401 | 422 |
! ! |
423 |
||
424 |
!Stream methodsFor:'error handling'! |
|
425 |
||
7104
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
426 |
checkNilFileStream |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
427 |
"Do nothing if this is a valid FileStream |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
428 |
(i.e. the previous open operation was successful). |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
429 |
Also implemented in UndefinedObject, to raise an Error there. |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
430 |
|
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
431 |
This is an aid for converting from the old error reporting (returning nil) |
8309 | 432 |
to the new error reporting (with real Exceptions). |
7104
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
433 |
|
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
434 |
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
|
435 |
|
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
436 |
^ self |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
437 |
! |
c88669d779f5
More openErrorSignal change preparations
Stefan Vogel <sv@exept.de>
parents:
7013
diff
changeset
|
438 |
|
1401 | 439 |
pastEnd |
440 |
"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
|
441 |
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
|
442 |
Otherwise raise the signal, but only if handled; otherwise return nil." |
1401 | 443 |
|
8622 | 444 |
<resource: #obsolete> |
445 |
||
9061 | 446 |
self obsoleteMethodWarning:'use #pastEndRead'. |
10181 | 447 |
^ self pastEndRead |
448 |
||
449 |
"Modified: / 18-11-2006 / 15:36:44 / cg" |
|
8614 | 450 |
! |
451 |
||
452 |
pastEndRead |
|
453 |
"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
|
454 |
If signalAtEnd == true, raise a signal. |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
455 |
If it is false, return nil. |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
456 |
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
|
457 |
otherwise return nil." |
8614 | 458 |
|
1401 | 459 |
signalAtEnd == true ifTrue:[ |
8992
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
460 |
"raise - a hard error..." |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
461 |
^ EndOfStreamError raiseRequestFrom:self |
3104
4b817b05cde0
vw compatible readPastEnd: only raise the signal if its handled;
Claus Gittinger <cg@exept.de>
parents:
3084
diff
changeset
|
462 |
]. |
4b817b05cde0
vw compatible readPastEnd: only raise the signal if its handled;
Claus Gittinger <cg@exept.de>
parents:
3084
diff
changeset
|
463 |
signalAtEnd == false ifTrue:[ |
8515 | 464 |
"never raise ..." |
465 |
^ nil |
|
1401 | 466 |
]. |
467 |
||
8992
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
468 |
"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
|
469 |
In this case, nil is returned" |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
470 |
|
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
471 |
^ EndOfStreamNotification raiseRequestFrom:self |
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
472 |
|
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
473 |
|
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
474 |
" ... no handler, no raise |
3591 | 475 |
|s| |
476 |
||
477 |
s := '12' readStream. |
|
478 |
Transcript showCR:s next. |
|
479 |
Transcript showCR:s next. |
|
480 |
Transcript showCR:s next. |
|
481 |
Transcript showCR:s next. |
|
482 |
" |
|
483 |
||
484 |
"... raise error if handled. |
|
485 |
|s| |
|
486 |
||
487 |
s := '12' readStream. |
|
8992
0feb5e68e5a7
Raise EndOfStreamError when signalAtEnd: is set to true
Stefan Vogel <sv@exept.de>
parents:
8988
diff
changeset
|
488 |
EndOfStreamNotification handle:[:ex | |
8515 | 489 |
Transcript showCR:'end reached'. |
490 |
ex return |
|
3591 | 491 |
] do:[ |
8515 | 492 |
Transcript showCR:s next. |
493 |
Transcript showCR:s next. |
|
494 |
Transcript showCR:s next. |
|
495 |
Transcript showCR:s next. |
|
3591 | 496 |
] |
497 |
" |
|
3104
4b817b05cde0
vw compatible readPastEnd: only raise the signal if its handled;
Claus Gittinger <cg@exept.de>
parents:
3084
diff
changeset
|
498 |
|
3591 | 499 |
"force raise (useful for debugging): |
500 |
|s| |
|
501 |
||
502 |
s := '12' readStream. |
|
503 |
s signalAtEnd:true. |
|
504 |
Transcript showCR:s next. |
|
505 |
Transcript showCR:s next. |
|
506 |
Transcript showCR:s next. |
|
507 |
Transcript showCR:s next. |
|
508 |
" |
|
509 |
||
510 |
||
511 |
"force no-raise (useful for compatibility with other systems): |
|
512 |
|s| |
|
513 |
||
514 |
s := '12' readStream. |
|
515 |
s signalAtEnd:false. |
|
516 |
Stream endOfStreamSignal handle:[:ex | |
|
8515 | 517 |
Transcript showCR:'end reached'. |
518 |
ex return |
|
3591 | 519 |
] do:[ |
8515 | 520 |
Transcript showCR:s next. |
521 |
Transcript showCR:s next. |
|
522 |
Transcript showCR:s next. |
|
523 |
Transcript showCR:s next. |
|
3591 | 524 |
] |
525 |
" |
|
526 |
||
527 |
"Modified: / 16.6.1998 / 16:04:13 / cg" |
|
1401 | 528 |
! ! |
529 |
||
611 | 530 |
!Stream methodsFor:'misc'! |
531 |
||
532 |
binary |
|
1402
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
Claus Gittinger <cg@exept.de>
parents:
1401
diff
changeset
|
533 |
"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
|
534 |
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
|
535 |
byte-valued integers respectively. |
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
Claus Gittinger <cg@exept.de>
parents:
1401
diff
changeset
|
536 |
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
|
537 |
with externalStreams." |
611 | 538 |
|
1402
82462d153a7d
added #nextAlphaNumericWord (completing the protocol); added comments
Claus Gittinger <cg@exept.de>
parents:
1401
diff
changeset
|
539 |
"Modified: 15.5.1996 / 17:38:36 / cg" |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
540 |
! |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
541 |
|
7497
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
542 |
blocking:aBoolean |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
543 |
"set non-blocking mode. |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
544 |
Ignored, since internal streams never block" |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
545 |
|
7498
9637184b10fe
ExternalStream>>blocking: returns previous blocking status
Stefan Vogel <sv@exept.de>
parents:
7497
diff
changeset
|
546 |
^ false. |
7497
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
547 |
! |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
548 |
|
8507
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
549 |
eolMode:aSymbol |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
550 |
"Ignored here, but added to make internalStreams protocol compatible |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
551 |
with externalStreams." |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
552 |
! |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
553 |
|
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
554 |
lineEndCRLF |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
555 |
"Ignored here, but added to make internalStreams protocol compatible |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
556 |
with externalStreams." |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
557 |
! |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
558 |
|
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
559 |
lineEndTransparent |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
560 |
"Ignored here, but added to make internalStreams protocol compatible |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
561 |
with externalStreams." |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
562 |
! |
9d392516725c
more external stream compatibility
Stefan Vogel <sv@exept.de>
parents:
8338
diff
changeset
|
563 |
|
7483
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
564 |
readWait |
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
565 |
^ self "/ never have to wait |
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
566 |
! |
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
567 |
|
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
568 |
readWaitWithTimeoutMs:millis |
11134 | 569 |
"Return true if a timeout occured (i.e. false, if data is available)." |
570 |
||
7483
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
571 |
^ false "/ never have to wait |
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
572 |
! |
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
573 |
|
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
574 |
text |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
575 |
"switch to text mode. |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
576 |
Ignored here, but added to make internalStreams protocol compatible |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
577 |
with externalStreams." |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
578 |
|
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
579 |
"Modified: 15.5.1996 / 17:38:36 / cg" |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
580 |
"Created: 13.9.1996 / 18:33:26 / cg" |
7483
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
581 |
! |
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
582 |
|
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
583 |
writeWait |
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
584 |
^ self |
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
585 |
! |
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
586 |
|
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
587 |
writeWaitWithTimeoutMs:millis |
471b86450ede
#readWait, #writeWait etc. as dummy entries
Stefan Vogel <sv@exept.de>
parents:
7467
diff
changeset
|
588 |
^ false "/ never have to wait |
611 | 589 |
! ! |
590 |
||
8768 | 591 |
!Stream methodsFor:'misc functions'! |
592 |
||
9001 | 593 |
copy:numberOfBytes into:outStream bufferSize:bufferSize |
594 |
"read from the receiver, and write all data up to count or the end to another stream. |
|
595 |
Return the number of bytes which have been transferred" |
|
596 |
||
597 |
|bufferSpecies buffer bytesWritten readCount writeCount count freeBuffer remaining| |
|
598 |
||
599 |
bytesWritten := 0. |
|
600 |
bufferSpecies := self contentsSpecies. |
|
601 |
bufferSpecies == ByteArray ifTrue:[ |
|
602 |
buffer:= ExternalBytes unprotectedNew:bufferSize. |
|
603 |
freeBuffer := true. |
|
604 |
] ifFalse:[ |
|
605 |
buffer := self contentsSpecies new:bufferSize. |
|
606 |
freeBuffer := false. |
|
607 |
]. |
|
608 |
||
609 |
remaining := numberOfBytes. |
|
610 |
"Note: atEnd will block if reading from an empty pipe or socket" |
|
611 |
[remaining ~~ 0 and:[self atEnd]] whileFalse:[ |
|
612 |
readCount := self nextAvailableBytes:(bufferSize min:remaining) into:buffer startingAt:1. |
|
613 |
readCount > 0 ifTrue:[ |
|
614 |
writeCount := 0. |
|
615 |
[ |
|
616 |
count := outStream nextPutBytes:readCount-writeCount |
|
617 |
from:buffer |
|
618 |
startingAt:writeCount+1. |
|
619 |
bytesWritten := bytesWritten + count. |
|
620 |
writeCount := writeCount + count. |
|
621 |
writeCount < readCount ifTrue:[ |
|
622 |
outStream writeWait. |
|
623 |
true. |
|
624 |
] ifFalse:[ |
|
625 |
false |
|
626 |
]. |
|
627 |
] whileTrue. |
|
628 |
remaining := remaining - writeCount. |
|
629 |
]. |
|
630 |
]. |
|
631 |
freeBuffer ifTrue:[ buffer free ]. |
|
632 |
^ bytesWritten |
|
633 |
||
634 |
" |
|
635 |
'hello world' readStream copyToEndInto:'/tmp/mist' asFilename writeStream. |
|
636 |
'hello world' readStream copyToEndInto:#[] writeStream. |
|
637 |
('/tmp/mist' asFilename readStream binary; yourself) copyToEndInto:#[] writeStream |
|
638 |
#[1 2 3 4 5 6 7] readStream copyToEndInto:'/tmp/mist' asFilename writeStream. |
|
639 |
#[1 2 3 4 5 6 7] readStream copyToEndInto:'' writeStream. |
|
640 |
||
641 |
" |
|
642 |
! |
|
643 |
||
8768 | 644 |
copyToEndInto:outStream |
645 |
"read from the receiver, and write all data up to the end to another stream. |
|
646 |
Return the number of bytes which have been transferred" |
|
647 |
||
648 |
^ self copyToEndInto:outStream bufferSize:(128*1024) |
|
649 |
||
650 |
"/ data rate to USB2.0 stick (Win32): |
|
651 |
"/ 120 KB/s 8Kb SingleBuffer |
|
652 |
"/ 741 KB/s 64Kb SingleBuffer |
|
653 |
"/ 1345 KB/s 128Kb SingleBuffer |
|
654 |
"/ 2087 KB/s 256Kb SingleBuffer |
|
655 |
"/ 3573 KB/s 1024Kb SingleBuffer |
|
656 |
||
657 |
"/|t retVal| |
|
658 |
"/ |
|
659 |
"/t := Time millisecondsToRun:[ |
|
660 |
"/ retVal := self copyToEndInto:outStream bufferSize:(64*1024). |
|
661 |
"/]. |
|
662 |
"/ |
|
663 |
"/Transcript showCR:('%1 KB copied in %2s (%3 KB/s)' |
|
664 |
"/ bindWith:((retVal/1024)asFixedPoint:2) |
|
665 |
"/ with:((t/1000)asFixedPoint:2) |
|
666 |
"/ with:((retVal/1024/(t/1000))asFixedPoint:2)). |
|
667 |
"/^ retVal. |
|
668 |
"/ |
|
669 |
! |
|
670 |
||
671 |
copyToEndInto:outStream bufferSize:bufferSize |
|
672 |
"read from the receiver, and write all data up to the end to another stream. |
|
673 |
Return the number of bytes which have been transferred" |
|
674 |
||
675 |
|bufferSpecies buffer bytesWritten readCount writeCount count freeBuffer| |
|
676 |
||
677 |
bytesWritten := 0. |
|
678 |
bufferSpecies := self contentsSpecies. |
|
679 |
bufferSpecies == ByteArray ifTrue:[ |
|
680 |
buffer:= ExternalBytes unprotectedNew:bufferSize. |
|
681 |
freeBuffer := true. |
|
682 |
] ifFalse:[ |
|
683 |
buffer := self contentsSpecies new:bufferSize. |
|
684 |
freeBuffer := false. |
|
685 |
]. |
|
686 |
||
9001 | 687 |
"Note: atEnd will block if reading from an empty pipe or socket" |
8768 | 688 |
[self atEnd] whileFalse:[ |
689 |
readCount := self nextAvailableBytes:bufferSize into:buffer startingAt:1. |
|
690 |
readCount > 0 ifTrue:[ |
|
691 |
writeCount := 0. |
|
692 |
[ |
|
693 |
count := outStream nextPutBytes:readCount-writeCount |
|
694 |
from:buffer |
|
695 |
startingAt:writeCount+1. |
|
696 |
bytesWritten := bytesWritten + count. |
|
697 |
writeCount := writeCount + count. |
|
698 |
writeCount < readCount ifTrue:[ |
|
699 |
outStream writeWait. |
|
700 |
true. |
|
701 |
] ifFalse:[ |
|
702 |
false |
|
703 |
]. |
|
704 |
] whileTrue. |
|
9001 | 705 |
] |
8768 | 706 |
]. |
707 |
freeBuffer ifTrue:[ buffer free ]. |
|
708 |
^ bytesWritten |
|
709 |
||
710 |
" |
|
711 |
'hello world' readStream copyToEndInto:'/tmp/mist' asFilename writeStream. |
|
712 |
'hello world' readStream copyToEndInto:#[] writeStream. |
|
713 |
('/tmp/mist' asFilename readStream binary; yourself) copyToEndInto:#[] writeStream |
|
714 |
#[1 2 3 4 5 6 7] readStream copyToEndInto:'/tmp/mist' asFilename writeStream. |
|
715 |
#[1 2 3 4 5 6 7] readStream copyToEndInto:'' writeStream. |
|
716 |
||
717 |
" |
|
718 |
! ! |
|
719 |
||
611 | 720 |
!Stream methodsFor:'non homogenous reading'! |
721 |
||
7497
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
722 |
nextAvailableBytes:numBytes into:aCollection startingAt:initialIndex |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
723 |
"for compatibility with ExternalStream" |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
724 |
|
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
725 |
^ self nextBytes:numBytes into:aCollection startingAt:initialIndex |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
726 |
! |
cc29afd51151
Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents:
7483
diff
changeset
|
727 |
|
8988
2e82cf20dbbd
define #nextByte as subclassResponsibility
Stefan Vogel <sv@exept.de>
parents:
8970
diff
changeset
|
728 |
nextByte |
2e82cf20dbbd
define #nextByte as subclassResponsibility
Stefan Vogel <sv@exept.de>
parents:
8970
diff
changeset
|
729 |
"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
|
730 |
- 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
|
731 |
|
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
732 |
^ self next |
8988
2e82cf20dbbd
define #nextByte as subclassResponsibility
Stefan Vogel <sv@exept.de>
parents:
8970
diff
changeset
|
733 |
! |
2e82cf20dbbd
define #nextByte as subclassResponsibility
Stefan Vogel <sv@exept.de>
parents:
8970
diff
changeset
|
734 |
|
2714 | 735 |
nextBytes:count |
5072
e3718d979b80
nextBytes: returns bytes and not a string.
Stefan Vogel <sv@exept.de>
parents:
4810
diff
changeset
|
736 |
"read the next count bytes and return it either as a byteArray. |
2714 | 737 |
If EOF is encountered while reading, a truncated byteArry or short string |
738 |
is returned. If EOF is already reached before the first byte can be read, |
|
739 |
nil is returned." |
|
740 |
||
741 |
|data n| |
|
742 |
||
7187 | 743 |
data := ByteArray uninitializedNew:count. |
2714 | 744 |
n := self nextBytes:count into:data startingAt:1. |
745 |
n ~~ count ifTrue:[ |
|
7187 | 746 |
n == 0 ifTrue:[ |
747 |
^ nil |
|
748 |
]. |
|
749 |
data := data copyTo:n |
|
2714 | 750 |
]. |
751 |
||
752 |
^ data |
|
753 |
||
3346 | 754 |
"Created: / 21.6.1997 / 11:18:57 / cg" |
755 |
"Modified: / 30.3.1998 / 18:04:58 / cg" |
|
2714 | 756 |
! |
757 |
||
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
758 |
nextBytes:count into:anObject |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
759 |
"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
|
760 |
bytes read. On EOF, 0 is returned. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
761 |
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
|
762 |
is raised if the connection is broken. |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
763 |
|
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
764 |
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
|
765 |
a ByteArray, String, Float- or DoubleArray). |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
766 |
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
|
767 |
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
|
768 |
|
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
769 |
Use with care - non object oriented i/o. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
770 |
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
|
771 |
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
|
772 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
773 |
^ self nextBytes:count into:anObject startingAt:1 |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
774 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
775 |
"Modified: 22.4.1997 / 10:41:39 / cg" |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
776 |
! |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
777 |
|
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
778 |
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
|
779 |
"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
|
780 |
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
|
781 |
collection. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
782 |
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
|
783 |
The receiver must support reading of binary bytes. |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
784 |
|
9001 | 785 |
Notice: this method is provided here for protocol completeness |
7506 | 786 |
with externalStreams - it is normally not used with other |
787 |
streams." |
|
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
788 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
789 |
|n "{Class: SmallInteger }" |
8815 | 790 |
dstIndex binary| |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
791 |
|
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
792 |
dstIndex := initialIndex. |
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
793 |
n := 0. |
7506 | 794 |
|
8815 | 795 |
binary := self isBinary. |
796 |
[self atEnd] whileFalse:[ |
|
797 |
n == numBytes ifTrue:[ |
|
798 |
^ n |
|
7506 | 799 |
]. |
8815 | 800 |
binary ifTrue:[ |
801 |
aCollection byteAt:dstIndex put:self nextByte. |
|
802 |
] ifFalse:[ |
|
7506 | 803 |
aCollection at:dstIndex put:self next. |
804 |
]. |
|
8815 | 805 |
dstIndex := dstIndex + 1. |
806 |
n := n + 1. |
|
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
807 |
]. |
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
808 |
^ n |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
809 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
810 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
811 |
|s n buffer| |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
812 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
813 |
buffer := ByteArray new:10. |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
814 |
|
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
815 |
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
|
816 |
s next:3. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
817 |
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
|
818 |
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
|
819 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
820 |
|
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
821 |
"Modified: 22.4.1997 / 10:43:08 / cg" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
822 |
! |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
823 |
|
2587 | 824 |
nextBytes:numBytes into:aCollection startingAt:initialIndex blockSize:blockSize |
825 |
"like nextBytes:into:startingAt:, but read in blocks of the given size. |
|
826 |
This leads to better beahvior when reading large chunks from a slow device, |
|
827 |
such as a cdrom drive (since a single unix-read is not interruptable)." |
|
828 |
||
829 |
|nR oR n| |
|
830 |
||
831 |
nR := numBytes. |
|
832 |
oR := initialIndex. |
|
833 |
[nR > 0] whileTrue:[ |
|
3154 | 834 |
n := nR. |
835 |
n > blockSize ifTrue:[n := blockSize]. |
|
836 |
n := self nextBytes:n into:aCollection startingAt:oR. |
|
837 |
n == 0 ifTrue:[ |
|
838 |
^ numBytes - nR |
|
839 |
]. |
|
840 |
oR := oR + n. |
|
841 |
nR := nR - n |
|
2587 | 842 |
]. |
843 |
^ numBytes |
|
844 |
||
845 |
"Created: 24.4.1997 / 21:09:34 / cg" |
|
846 |
"Modified: 24.4.1997 / 21:19:50 / cg" |
|
847 |
! |
|
848 |
||
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
849 |
nextBytesInto:anObject |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
850 |
"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
|
851 |
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
|
852 |
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
|
853 |
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
|
854 |
is raised if the connection is broken. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
855 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
856 |
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
|
857 |
(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
|
858 |
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
|
859 |
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
|
860 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
861 |
Use with care - non object oriented i/o. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
862 |
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
|
863 |
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
|
864 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
865 |
^ self nextBytes:(anObject byteSize) into:anObject startingAt:1 |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
866 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
867 |
" to read 100 bytes from a stream: |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
868 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
869 |
|b aStream| |
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 |
aStream := 'smalltalk.rc' asFilename readStream. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
872 |
b := ByteArray new:100. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
873 |
aStream nextBytesInto:b. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
874 |
aStream close. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
875 |
b inspect |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
876 |
" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
877 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
878 |
" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
879 |
|s aStream| |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
880 |
aStream := 'smalltalk.rc' asFilename readStream. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
881 |
s := String new:100. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
882 |
aStream nextBytesInto:s. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
883 |
aStream close. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
884 |
s inspect |
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 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
887 |
"Modified: 22.4.1997 / 10:42:02 / cg" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
888 |
"Created: 22.4.1997 / 10:42:26 / cg" |
1665
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
889 |
! |
928e9a308cea
added ExternalStream compatibility protocol
Claus Gittinger <cg@exept.de>
parents:
1548
diff
changeset
|
890 |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
891 |
nextHyperMSB:msbFlag |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
892 |
"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
|
893 |
The receiver must support reading of binary bytes. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
894 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
895 |
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
|
896 |
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
|
897 |
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
|
898 |
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
|
899 |
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
|
900 |
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
|
901 |
network byte order." |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
902 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
903 |
|uval| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
904 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
905 |
uval := self nextUnsignedHyperMSB:msbFlag. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
906 |
"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
|
907 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
908 |
uval >= 16r8000000000000000 ifTrue:[ |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
909 |
^ uval - 16r10000000000000000 |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
910 |
]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
911 |
^ uval |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
912 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
913 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
914 |
|bytes s| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
915 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
916 |
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
|
917 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
918 |
Transcript showCR:(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
919 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
920 |
Transcript showCR:(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
921 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
922 |
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
|
923 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
924 |
Transcript showCR:(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
925 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
926 |
Transcript showCR:(s nextHyperMSB:false) hexPrintString. |
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 |
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
|
929 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
930 |
Transcript showCR:(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
931 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
932 |
Transcript showCR:(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
933 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
934 |
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
|
935 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
936 |
Transcript showCR:(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
937 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
938 |
Transcript showCR:(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
939 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
940 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
941 |
"Modified: / 14.1.1998 / 15:40:41 / cg" |
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 |
|
611 | 944 |
nextLongMSB:msbFlag |
945 |
"return a signed long (4 bytes) from the stream. |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
946 |
The receiver must support reading of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
947 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
948 |
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
|
949 |
most-significant-byte-first (true) or least-first (false). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
950 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
951 |
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
|
952 |
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
|
953 |
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
|
954 |
network byte order." |
611 | 955 |
|
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
956 |
|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
|
957 |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
958 |
b1 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
959 |
b2 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
960 |
b3 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
961 |
b4 := self nextByte. |
611 | 962 |
|
963 |
msbFlag ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
964 |
"most significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
965 |
uval := (b1 bitShift:8) bitOr:b2. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
966 |
uval := (uval bitShift:8) bitOr:b3. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
967 |
val := (uval bitShift:8) bitOr:b4. |
611 | 968 |
] ifFalse:[ |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
969 |
"least significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
970 |
uval := (b4 bitShift:8) bitOr:b3. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
971 |
uval := (uval bitShift:8) bitOr:b2. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
972 |
val := (uval bitShift:8) bitOr:b1. |
611 | 973 |
]. |
974 |
"change from unsigned 0..FFFFFFFF to signed -80000000..7FFFFFFF" |
|
975 |
||
3176 | 976 |
val >= 16r80000000 ifTrue:[ |
977 |
^ val - 16r100000000 |
|
978 |
]. |
|
979 |
^ val |
|
980 |
||
981 |
" |
|
982 |
|bytes s| |
|
983 |
||
984 |
bytes := #[16rFF 16rFF 16rFF 16rFF]. |
|
985 |
s := bytes readStream. |
|
986 |
Transcript showCR:(s nextLongMSB:true). |
|
987 |
s reset. |
|
988 |
Transcript showCR:(s nextLongMSB:false). |
|
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
989 |
|
3176 | 990 |
bytes := #[16r12 16r34 16r56 16r78]. |
991 |
s := bytes readStream. |
|
992 |
Transcript showCR:(s nextLongMSB:true). |
|
993 |
s reset. |
|
994 |
Transcript showCR:(s nextLongMSB:false). |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
995 |
|
3176 | 996 |
bytes := #[16r89 16rab 16rcd 16ref]. |
997 |
s := bytes readStream. |
|
998 |
Transcript showCR:(s nextLongMSB:true). |
|
999 |
s reset. |
|
1000 |
Transcript showCR:(s nextLongMSB:false). |
|
1001 |
" |
|
1002 |
||
1003 |
"Modified: / 14.1.1998 / 15:40:41 / cg" |
|
611 | 1004 |
! |
1005 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1006 |
nextLongNet |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1007 |
"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
|
1008 |
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
|
1009 |
|
8894
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1010 |
^ self nextLongMSB:true |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1011 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1012 |
"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
|
1013 |
! |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1014 |
|
611 | 1015 |
nextNumber:n |
1016 |
"Return the next n bytes as a positive Integer; bytes are taken msb-first." |
|
1017 |
||
1018 |
|s |
|
1019 |
val "{ Class: SmallInteger }" |
|
1020 |
rep "{ Class: SmallInteger }"| |
|
1021 |
||
1022 |
"claus: this method is central in binaryStorage - |
|
1023 |
therefore it has been tuned a bit (and needs even more tuning)" |
|
1024 |
||
1025 |
n == 1 ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1026 |
^ self nextByte |
611 | 1027 |
]. |
1028 |
n == 2 ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1029 |
val := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1030 |
val := (val bitShift:8) + self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1031 |
^ val |
611 | 1032 |
]. |
1033 |
n == 3 ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1034 |
val := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1035 |
val := (val bitShift:8) + self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1036 |
val := (val bitShift:8) + self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1037 |
^ val |
611 | 1038 |
]. |
1039 |
n == 4 ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1040 |
val := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1041 |
val <= 16r3F ifTrue:[ |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1042 |
val := (val bitShift:8) + self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1043 |
val := (val bitShift:8) + self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1044 |
val := (val bitShift:8) + self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1045 |
^ val |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1046 |
]. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1047 |
"sorry, but need a largeInteger" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1048 |
val := (val bitShift:8) + self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1049 |
s := (val bitShift:8) + self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1050 |
s := (s * 256) + self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1051 |
^ s |
611 | 1052 |
]. |
1053 |
||
1054 |
" |
|
1055 |
arbitrary long |
|
1056 |
" |
|
1057 |
s := 0. |
|
1058 |
rep := n. |
|
1059 |
rep timesRepeat:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1060 |
s := s * 256 + self nextByte |
611 | 1061 |
]. |
1062 |
^ s truncated |
|
1063 |
! |
|
1064 |
||
1065 |
nextShortMSB:msbFlag |
|
1066 |
"return a signed short (2 bytes) from the stream. |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1067 |
The receiver must support reading of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1068 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1069 |
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
|
1070 |
most-significant-byte-first (true) or least-first (false). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1071 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1072 |
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
|
1073 |
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
|
1074 |
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
|
1075 |
network byte order." |
611 | 1076 |
|
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1077 |
|b1 b2 uval "{ Class: SmallInteger }"| |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1078 |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1079 |
b1 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1080 |
b2 := self nextByte. |
611 | 1081 |
|
1082 |
msbFlag ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1083 |
"most significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1084 |
uval := b1 bitShift:8. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1085 |
uval := uval bitOr:b2. |
611 | 1086 |
] ifFalse:[ |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1087 |
"least significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1088 |
uval := b2 bitShift:8. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1089 |
uval := uval bitOr:b1. |
611 | 1090 |
]. |
1091 |
"change from unsigned 0..FFFF to signed -8000..7FFF" |
|
1092 |
uval >= 16r8000 ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1093 |
^ uval - 16r10000 |
611 | 1094 |
]. |
1095 |
^ uval |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1096 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1097 |
"Modified: 11.7.1996 / 10:07:04 / cg" |
611 | 1098 |
! |
1099 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1100 |
nextShortNet |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1101 |
"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
|
1102 |
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
|
1103 |
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
|
1104 |
|
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1105 |
^ self nextShortMSB:true |
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1106 |
|
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1107 |
"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
|
1108 |
! |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1109 |
|
4588 | 1110 |
nextSignedByte |
1111 |
"return a signed byte (-128..127) from the stream. |
|
1112 |
The receiver must support reading of binary bytes." |
|
1113 |
||
1114 |
|uval "{ Class: SmallInteger }"| |
|
1115 |
||
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1116 |
uval := self nextByte. |
4588 | 1117 |
"change from unsigned 0..FF to signed -80..7F" |
1118 |
uval >= 16r80 ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1119 |
^ uval - 16r100 |
4588 | 1120 |
]. |
1121 |
^ uval |
|
1122 |
||
1123 |
" |
|
1124 |
#[16rFF 16r80 16r7F 16r01] readStream nextSignedByte |
|
1125 |
" |
|
1126 |
! |
|
1127 |
||
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1128 |
nextUnsignedHyperMSB:msbFlag |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1129 |
"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
|
1130 |
The receiver must support reading of binary bytes. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1131 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1132 |
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
|
1133 |
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
|
1134 |
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
|
1135 |
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
|
1136 |
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
|
1137 |
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
|
1138 |
network byte order." |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1139 |
|
6373
d6ffb0101dde
workaround bitShift-bitOr codeGenerator bug in stc
Claus Gittinger <cg@exept.de>
parents:
6360
diff
changeset
|
1140 |
|bytes uval t| |
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1141 |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1142 |
bytes := self nextBytes:8. |
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1143 |
uval := 0. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1144 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1145 |
msbFlag ifTrue:[ |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1146 |
"most significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1147 |
1 to:8 do:[:i | |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1148 |
t := (uval bitShift:8). |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1149 |
uval := t bitOr:(bytes at:i). |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1150 |
]. |
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1151 |
] ifFalse:[ |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1152 |
"least significant first" |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1153 |
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
|
1154 |
t := (uval bitShift:8). |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1155 |
uval := t bitOr:(bytes at:i). |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1156 |
]. |
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1157 |
]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1158 |
^ uval |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1159 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1160 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1161 |
|bytes s| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1162 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1163 |
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
|
1164 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1165 |
Transcript showCR:(s nextUnsignedHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1166 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1167 |
Transcript showCR:(s nextUnsignedHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1168 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1169 |
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
|
1170 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1171 |
Transcript showCR:(s nextUnsignedHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1172 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1173 |
Transcript showCR:(s nextUnsignedHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1174 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1175 |
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
|
1176 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1177 |
Transcript showCR:(s nextUnsignedHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1178 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1179 |
Transcript showCR:(s nextUnsignedHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1180 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1181 |
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
|
1182 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1183 |
Transcript showCR:(s nextUnsignedHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1184 |
s reset. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1185 |
Transcript showCR:(s nextUnsignedHyperMSB:false) hexPrintString. |
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 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1188 |
"Modified: / 14.1.1998 / 15:40:41 / cg" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1189 |
! |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1190 |
|
611 | 1191 |
nextUnsignedLongMSB:msbFlag |
1192 |
"return an unsigned long (4 bytes) from the stream. |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1193 |
The receiver must support reading of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1194 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1195 |
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
|
1196 |
most-significant-byte-first (true) or least-first (false). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1197 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1198 |
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
|
1199 |
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
|
1200 |
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
|
1201 |
network byte order." |
611 | 1202 |
|
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1203 |
|b1 b2 b3 b4 val| |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1204 |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1205 |
b1 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1206 |
b2 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1207 |
b3 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1208 |
b4 := self nextByte. |
611 | 1209 |
|
1210 |
msbFlag ifTrue:[ |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1211 |
val := b1. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1212 |
val := (val bitShift:8) bitOr:b2. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1213 |
val := (val bitShift:8) bitOr:b3. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1214 |
val := (val * 256) + b4. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1215 |
^ val |
611 | 1216 |
]. |
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1217 |
val := b4. |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1218 |
val := (val bitShift:8) bitOr:b3. |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1219 |
val := (val bitShift:8) bitOr:b2. |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1220 |
val := (val * 256) + b1. |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1221 |
^ val |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1222 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1223 |
"Modified: 11.7.1996 / 10:07:13 / cg" |
611 | 1224 |
! |
1225 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1226 |
nextUnsignedLongNet |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1227 |
"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
|
1228 |
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
|
1229 |
|
8894
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1230 |
^ self nextUnsignedLongMSB:true |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1231 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1232 |
"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
|
1233 |
"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
|
1234 |
! |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1235 |
|
611 | 1236 |
nextUnsignedShortMSB:msbFlag |
1237 |
"return an unsigned short (2 bytes) from the stream. |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1238 |
The receiver must support reading of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1239 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1240 |
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
|
1241 |
most-significant-byte-first (true) or least-first (false). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1242 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1243 |
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
|
1244 |
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
|
1245 |
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
|
1246 |
network byte order." |
611 | 1247 |
|
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1248 |
|b1 b2| |
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1249 |
|
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1250 |
b1 := self nextByte. |
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1251 |
b2 := self nextByte. |
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1252 |
|
611 | 1253 |
msbFlag ifTrue:[ |
9266
3563ddfd55d2
use nextByte to access bytes (for InternalStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
9070
diff
changeset
|
1254 |
^ (b1 bitShift:8) bitOr:b2 |
611 | 1255 |
]. |
6355
fb179369bd9f
#nextUnsignedLong:MSB: was wrong for lsb case
Claus Gittinger <cg@exept.de>
parents:
6348
diff
changeset
|
1256 |
^ (b2 bitShift:8) bitOr:b1 |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1257 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1258 |
"Modified: 11.7.1996 / 10:07:20 / cg" |
611 | 1259 |
! |
1260 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1261 |
nextUnsignedShortNet |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1262 |
"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
|
1263 |
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
|
1264 |
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
|
1265 |
|
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1266 |
^ self nextUnsignedShortMSB:true |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1267 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1268 |
"Created: 10.1.1996 / 19:50:02 / cg" |
611 | 1269 |
! ! |
1270 |
||
1271 |
!Stream methodsFor:'non homogenous writing'! |
|
1272 |
||
1273 |
nextLongPut:aNumber |
|
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1274 |
"for ST-80 compatibility: |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1275 |
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
|
1276 |
The most significant byte is sent first." |
611 | 1277 |
|
1278 |
^ self nextPutLong:aNumber MSB:true |
|
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1279 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1280 |
"Modified: 10.1.1996 / 19:38:54 / cg" |
611 | 1281 |
! |
1282 |
||
1283 |
nextNumber:n put:v |
|
1284 |
"Append to the receiver the argument, v, which is a positive Integer, |
|
1285 |
as the next n bytes. Bytes are written msb first. |
|
1286 |
Possibly pad with leading zeros. |
|
1287 |
The receiver must support writing of binary bytes." |
|
1288 |
||
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1289 |
|vlen "{ Class: SmallInteger }" |
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1290 |
i "{ Class: SmallInteger }"| |
611 | 1291 |
|
1292 |
"claus: this method is central in binaryStorage - |
|
1293 |
therefore it has been tuned a bit (and needs even more tuning)" |
|
1294 |
||
1295 |
v class == SmallInteger ifTrue:[ "- this is a hint to stc" |
|
9407 | 1296 |
n == 1 ifTrue:[ |
1297 |
(v between:0 and:16rFF) ifTrue:[ |
|
1298 |
self nextPutByte:v. |
|
1299 |
^ self |
|
1300 |
]. |
|
1301 |
]. |
|
1302 |
n == 2 ifTrue:[ |
|
1303 |
(v between:0 and:16rFFFF) ifTrue:[ |
|
1304 |
self nextPutByte:(v bitShift:-8); nextPutByte:(v bitAnd:16rFF). |
|
1305 |
^ self |
|
1306 |
]. |
|
1307 |
]. |
|
1308 |
n == 3 ifTrue:[ |
|
1309 |
(v between:0 and:16rFFFFFF) ifTrue:[ |
|
1310 |
self nextPutByte:((v bitShift:-16) bitAnd:16rFF). |
|
1311 |
self nextPutByte:((v bitShift:-8) bitAnd:16rFF). |
|
1312 |
self nextPutByte:(v bitAnd:16rFF). |
|
1313 |
^ self |
|
1314 |
]. |
|
1315 |
]. |
|
1316 |
n == 4 ifTrue:[ |
|
1317 |
(v >= 0) ifTrue:[ |
|
1318 |
self nextPutByte:((v bitShift:-24) bitAnd:16rFF). |
|
1319 |
self nextPutByte:((v bitShift:-16) bitAnd:16rFF). |
|
1320 |
self nextPutByte:((v bitShift:-8) bitAnd:16rFF). |
|
1321 |
self nextPutByte:(v bitAnd:16rFF). |
|
1322 |
^ self |
|
1323 |
]. |
|
1324 |
]. |
|
611 | 1325 |
]. |
1326 |
||
1327 |
" |
|
1328 |
arbitrary long |
|
1329 |
" |
|
1330 |
n < (vlen := v digitLength) ifTrue: [ |
|
9407 | 1331 |
" |
1332 |
the number is too big to be repesented in n bytes |
|
1333 |
" |
|
1334 |
self error:'number too big' |
|
611 | 1335 |
]. |
1336 |
||
1337 |
"pad with leading zeros" |
|
1338 |
i := n. |
|
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1339 |
[i > vlen] whileTrue:[ |
9407 | 1340 |
self nextPutByte:0. |
1341 |
i := i - 1 |
|
611 | 1342 |
]. |
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1343 |
|
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1344 |
i == 1 ifTrue:[ |
9407 | 1345 |
^ self nextPutByte:v |
611 | 1346 |
]. |
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1347 |
|
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1348 |
[i > 0] whileTrue:[ |
9407 | 1349 |
self nextPutByte:(v digitAt:i). |
1350 |
i := i - 1 |
|
611 | 1351 |
] |
9407 | 1352 |
|
1353 |
"Modified: / 22-06-2006 / 11:31:13 / fm" |
|
611 | 1354 |
! |
1355 |
||
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1356 |
nextPutByte:aByteValue |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1357 |
"write a byte. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1358 |
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
|
1359 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1360 |
self nextPut:aByteValue |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1361 |
|
9407 | 1362 |
"Created: / 22-04-1997 / 10:43:55 / cg" |
1363 |
"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
|
1364 |
! |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1365 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1366 |
nextPutBytes:count from:anObject |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1367 |
"write count bytes from an object. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1368 |
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
|
1369 |
The object must have non-pointer indexed instvars |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1370 |
(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
|
1371 |
Use with care - non object oriented i/o. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1372 |
Warning: in general, you cannot use this method to pass data to other |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1373 |
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
|
1374 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1375 |
^ self nextPutBytes:count from:anObject startingAt:1 |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1376 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1377 |
"Created: 22.4.1997 / 10:43:59 / cg" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1378 |
! |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1379 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1380 |
nextPutBytes:count from:anObject startingAt:start |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1381 |
"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
|
1382 |
Return the number of bytes written. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1383 |
The object must have non-pointer indexed instvars |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1384 |
(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
|
1385 |
Use with care - non object oriented i/o. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1386 |
This is provided for compatibility with externalStream; |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1387 |
to support binary storage" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1388 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1389 |
|idx| |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1390 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1391 |
idx := start. |
7506 | 1392 |
self isBinary ifTrue:[ |
1393 |
1 to:count do:[:i | |
|
1394 |
self nextPutByte:(anObject byteAt:idx). |
|
1395 |
idx := idx + 1 |
|
1396 |
]. |
|
1397 |
] ifFalse:[ |
|
1398 |
1 to:count do:[:i | |
|
1399 |
self nextPut:(anObject at:idx). |
|
1400 |
idx := idx + 1 |
|
1401 |
]. |
|
1402 |
]. |
|
2576
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1403 |
^ count |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1404 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1405 |
"Created: 22.4.1997 / 10:44:09 / cg" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1406 |
! |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1407 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1408 |
nextPutBytesFrom:anObject |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1409 |
"write bytes from an object; the number of bytes is defined by |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1410 |
the objects size. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1411 |
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
|
1412 |
The object must have non-pointer indexed instvars |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1413 |
(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
|
1414 |
Use with care - non object oriented i/o. |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1415 |
Warning: in general, you cannot use this method to pass data to other |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1416 |
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
|
1417 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1418 |
^ self nextPutBytes:(anObject size) from:anObject startingAt:1 |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1419 |
|
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1420 |
"Created: 22.4.1997 / 10:44:18 / cg" |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1421 |
! |
9985af974304
added non-homogenous read/write stuff;
Claus Gittinger <cg@exept.de>
parents:
2443
diff
changeset
|
1422 |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1423 |
nextPutHyper:aNumber MSB:msbFlag |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1424 |
"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
|
1425 |
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
|
1426 |
otherwise least first. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1427 |
Returns the receiver on ok, nil on error. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1428 |
The receiver must support writing of binary bytes. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1429 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1430 |
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
|
1431 |
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
|
1432 |
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
|
1433 |
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
|
1434 |
network byte order." |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1435 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1436 |
msbFlag ifTrue:[ |
9407 | 1437 |
1 to:8 do:[:i | |
1438 |
self nextPutByte:(aNumber digitByteAt:8+1-i) |
|
1439 |
]. |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1440 |
] ifFalse:[ |
9407 | 1441 |
1 to:8 do:[:i | |
1442 |
self nextPutByte:(aNumber digitByteAt:i) |
|
1443 |
]. |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1444 |
]. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1445 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1446 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1447 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1448 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1449 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1450 |
s nextPutHyper:16r123456789abcdef0 MSB:false. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1451 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1452 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1453 |
(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1454 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1455 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1456 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1457 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1458 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1459 |
s nextPutHyper:16r123456789abcdef0 MSB:true. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1460 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1461 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1462 |
(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1463 |
. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1464 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1465 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1466 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1467 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1468 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1469 |
s nextPutHyper:16r-8000000000000000 MSB:true. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1470 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1471 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1472 |
(s nextHyperMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1473 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1474 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1475 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1476 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1477 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1478 |
s nextPutHyper:16r-8000000000000000 MSB:false. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1479 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1480 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1481 |
(s nextHyperMSB:false) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1482 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1483 |
|
9407 | 1484 |
"Modified: / 01-11-1997 / 18:30:52 / cg" |
1485 |
"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
|
1486 |
! |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1487 |
|
611 | 1488 |
nextPutLong:aNumber MSB:msbFlag |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1489 |
"Write the argument, aNumber as a long (four bytes). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1490 |
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
|
1491 |
otherwise least first. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1492 |
Returns the receiver on ok, nil on error. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1493 |
The receiver must support writing of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1494 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1495 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1496 |
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
|
1497 |
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
|
1498 |
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
|
1499 |
network byte order." |
611 | 1500 |
|
5960 | 1501 |
|hh hl lh ll b1 b2 b3 b4| |
1502 |
||
1503 |
ll := aNumber digitByteAt:1. |
|
1504 |
lh := aNumber digitByteAt:2. |
|
1505 |
hl := aNumber digitByteAt:3. |
|
1506 |
hh := aNumber digitByteAt:4. |
|
611 | 1507 |
msbFlag ifTrue:[ |
9407 | 1508 |
"high byte first" |
1509 |
b1 := hh. |
|
1510 |
b2 := hl. |
|
1511 |
b3 := lh. |
|
1512 |
b4 := ll. |
|
2332 | 1513 |
] ifFalse:[ |
9407 | 1514 |
"low word first" |
1515 |
b1 := ll. |
|
1516 |
b2 := lh. |
|
1517 |
b3 := hl. |
|
1518 |
b4 := hh. |
|
611 | 1519 |
]. |
9407 | 1520 |
self nextPutByte:b1. |
1521 |
self nextPutByte:b2. |
|
1522 |
self nextPutByte:b3. |
|
1523 |
self nextPutByte:b4. |
|
5960 | 1524 |
|
1525 |
" |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1526 |
|s bytes| |
5960 | 1527 |
|
1528 |
s := #[] writeStream. |
|
1529 |
s nextPutLong:16r12345678 MSB:false. |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1530 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1531 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1532 |
(s nextLongMSB:false) hexPrintString. |
5960 | 1533 |
" |
1534 |
" |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1535 |
|s bytes| |
5960 | 1536 |
|
1537 |
s := #[] writeStream. |
|
1538 |
s nextPutLong:16r12345678 MSB:true. |
|
6360
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1539 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1540 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1541 |
(s nextLongMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1542 |
. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1543 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1544 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1545 |
|s bytes| |
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 := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1548 |
s nextPutLong:16r-80000000 MSB:true. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1549 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1550 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1551 |
(s nextLongMSB:true) hexPrintString. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1552 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1553 |
" |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1554 |
|s bytes| |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1555 |
|
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1556 |
s := #[] writeStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1557 |
s nextPutLong:16r-80000000 MSB:false. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1558 |
bytes := s contents. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1559 |
s := bytes readStream. |
9bb87d3988c5
read/write of hypers (8byte ints)
Claus Gittinger <cg@exept.de>
parents:
6355
diff
changeset
|
1560 |
(s nextLongMSB:false) hexPrintString. |
5960 | 1561 |
" |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1562 |
|
9407 | 1563 |
"Modified: / 01-11-1997 / 18:30:52 / cg" |
1564 |
"Modified: / 22-06-2006 / 11:31:43 / fm" |
|
611 | 1565 |
! |
1566 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1567 |
nextPutLongNet:aNumber |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1568 |
"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
|
1569 |
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
|
1570 |
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
|
1571 |
|
8894
63cd83aa44e8
No need to ask Socket>>#networkXXXOrderIsMSB, because the return value is
Stefan Vogel <sv@exept.de>
parents:
8815
diff
changeset
|
1572 |
^ self nextPutLong:aNumber MSB:true |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1573 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1574 |
"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
|
1575 |
"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
|
1576 |
! |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1577 |
|
611 | 1578 |
nextPutShort:aNumber MSB:msbFlag |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1579 |
"Write the argument, aNumber as a short (two bytes). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1580 |
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
|
1581 |
otherwise least first. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1582 |
Returns the receiver on ok, nil on error. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1583 |
The receiver must support writing of binary bytes. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1584 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1585 |
This interface is provided to allow talking to external programs, |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
1586 |
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
|
1587 |
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
|
1588 |
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
|
1589 |
network byte order." |
611 | 1590 |
|
2332 | 1591 |
|iNum "{ Class: SmallInteger }" hi lo b1 b2| |
1117
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1592 |
|
f64e35e18e65
typed variable in nextPutNumber
Claus Gittinger <cg@exept.de>
parents:
970
diff
changeset
|
1593 |
iNum := aNumber. |
5960 | 1594 |
lo := iNum digitByteAt:1. |
1595 |
hi := iNum digitByteAt:2. |
|
611 | 1596 |
msbFlag ifTrue:[ |
9407 | 1597 |
"high word first" |
1598 |
b1 := hi. |
|
1599 |
b2 := lo. |
|
2332 | 1600 |
] ifFalse:[ |
9407 | 1601 |
"low word first" |
1602 |
b1 := lo. |
|
1603 |
b2 := hi. |
|
611 | 1604 |
]. |
9407 | 1605 |
self nextPutByte:b1. |
1606 |
self nextPutByte:b2. |
|
5960 | 1607 |
|
1608 |
" |
|
1609 |
|s| |
|
1610 |
||
1611 |
s := #[] writeStream. |
|
1612 |
s nextPutShort:16r1234 MSB:false. |
|
1613 |
s contents. |
|
1614 |
" |
|
1615 |
" |
|
1616 |
|s| |
|
1617 |
||
1618 |
s := #[] writeStream. |
|
1619 |
s nextPutShort:16r1234 MSB:true. |
|
1620 |
s contents. |
|
1621 |
" |
|
9407 | 1622 |
|
1623 |
"Modified: / 22-06-2006 / 11:30:26 / fm" |
|
611 | 1624 |
! |
1625 |
||
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1626 |
nextPutShortNet:aNumber |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1627 |
"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
|
1628 |
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
|
1629 |
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
|
1630 |
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
|
1631 |
|
8970 | 1632 |
^ self nextPutShort:aNumber MSB:true. |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1633 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1634 |
"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
|
1635 |
! |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1636 |
|
611 | 1637 |
nextPutWord:aNumber |
1638 |
"write the argument, aNumber as a signed short (two bytes); |
|
1639 |
write msb-first for compatibility with other smalltalks. |
|
1640 |
The receiver must support writing of binary bytes. |
|
1641 |
I dont know if it should be named nextPutWord: or nextWordPut:; |
|
1642 |
one of them will vanish ..." |
|
1643 |
||
1644 |
^ self nextPutShort:aNumber MSB:true |
|
1645 |
! |
|
1646 |
||
1647 |
nextShortPut:aNumber MSB:msbFlag |
|
3084 | 1648 |
"for backward compatibility - this will vanish" |
611 | 1649 |
|
1650 |
^ self nextPutShort:aNumber MSB:msbFlag |
|
3084 | 1651 |
|
1652 |
"Modified: / 1.11.1997 / 18:31:05 / cg" |
|
611 | 1653 |
! |
1654 |
||
9407 | 1655 |
nextTwoBytesPut: anInteger |
1656 |
"Write anInteger as the next two bytes of the |
|
1657 |
receiver stream." |
|
1658 |
self |
|
1659 |
nextPutByte: (anInteger bitAnd: 255); |
|
1660 |
nextPutByte: ((anInteger bitShift: -8) bitAnd: 255) |
|
1661 |
||
1662 |
"Created: / 21-06-2006 / 19:42:10 / fm" |
|
1663 |
! |
|
1664 |
||
611 | 1665 |
nextWordPut:aNumber |
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1666 |
"for ST-80 compatibility: |
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1667 |
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
|
1668 |
The most significant byte is sent first." |
611 | 1669 |
|
1670 |
^ self nextPutShort:aNumber MSB:true |
|
846
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1671 |
|
4117b296633d
network byte order read/write methods added
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1672 |
"Modified: 10.1.1996 / 19:39:19 / cg" |
611 | 1673 |
! ! |
1674 |
||
1675 |
!Stream methodsFor:'private'! |
|
1676 |
||
1677 |
contentsSpecies |
|
1678 |
"this should return the class of which an instance is |
|
1403 | 1679 |
returned by the #contents method. Here, Array is returned, |
1680 |
since the abstract Stream-class has no idea of the underlying |
|
1681 |
collection class. |
|
1682 |
It is redefined in some subclasses - for example, to return String." |
|
611 | 1683 |
|
1684 |
^ Array |
|
1403 | 1685 |
|
1686 |
"Modified: 15.5.1996 / 17:53:31 / cg" |
|
611 | 1687 |
! ! |
1688 |
||
1689 |
!Stream methodsFor:'queries'! |
|
1690 |
||
1691 |
isBinary |
|
1403 | 1692 |
"return true, if in binary mode. Always returns false here, |
1693 |
to make internalStreams protocol compatible with externalStreams." |
|
611 | 1694 |
|
7503 | 1695 |
^ self contentsSpecies == ByteArray |
1403 | 1696 |
|
1697 |
"Modified: 15.5.1996 / 17:53:51 / cg" |
|
611 | 1698 |
! |
1699 |
||
1700 |
isPositionable |
|
1403 | 1701 |
"return true, if the stream supports positioning (some do not). |
1702 |
Since this is an abstract class, false is returned here - just to make certain." |
|
611 | 1703 |
|
1704 |
^ false |
|
1403 | 1705 |
|
1706 |
"Modified: 15.5.1996 / 17:54:16 / cg" |
|
611 | 1707 |
! |
1708 |
||
1447 | 1709 |
isPrinterStream |
1710 |
"return true, if this is a printerStream. |
|
1711 |
Since this is an abstract class, false is returned here." |
|
1712 |
||
1713 |
^ false |
|
1714 |
||
1715 |
"Modified: 15.5.1996 / 17:54:16 / cg" |
|
1716 |
"Created: 3.6.1996 / 12:05:35 / cg" |
|
1717 |
! |
|
1718 |
||
611 | 1719 |
isReadable |
1720 |
"return true, if reading is supported by the recevier. |
|
1403 | 1721 |
This has to be redefined in concrete subclasses." |
611 | 1722 |
|
1723 |
^ self subclassResponsibility |
|
1403 | 1724 |
|
1725 |
"Modified: 15.5.1996 / 17:54:31 / cg" |
|
611 | 1726 |
! |
1727 |
||
1728 |
isStream |
|
1403 | 1729 |
"return true, if the receiver is some kind of Stream. Always return true here." |
611 | 1730 |
|
1731 |
^ true |
|
1403 | 1732 |
|
1733 |
"Modified: 15.5.1996 / 17:54:48 / cg" |
|
611 | 1734 |
! |
1735 |
||
8645 | 1736 |
isTerminalStream |
1737 |
^ false |
|
1738 |
! |
|
1739 |
||
611 | 1740 |
isWritable |
1741 |
"return true, if writing is supported by the recevier. |
|
1403 | 1742 |
This has to be redefined in concrete subclasses." |
611 | 1743 |
|
1744 |
^ self subclassResponsibility |
|
1403 | 1745 |
|
1746 |
"Modified: 15.5.1996 / 17:54:54 / cg" |
|
611 | 1747 |
! |
1748 |
||
1749 |
lineLength |
|
1403 | 1750 |
"return the lineLength which `looks good' when pretty printed |
1751 |
text is sent to this stream. |
|
1752 |
This has NO meaning whatsoever to regular streams; |
|
1753 |
however, it may be used as a layout hint for prettyprinting functions |
|
1754 |
- for compatibility with TextCollectors, which returns its views actual |
|
1755 |
line length, and allows the prettyprinter to wrap at that position." |
|
611 | 1756 |
|
1757 |
^ 80 |
|
1403 | 1758 |
|
1759 |
"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
|
1760 |
! |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1761 |
|
5395 | 1762 |
lineNumber |
1763 |
"return the current lineNumber if known" |
|
1764 |
||
1765 |
^ nil |
|
1766 |
||
1767 |
||
1768 |
! |
|
1769 |
||
8645 | 1770 |
numberOfTerminalCols |
1771 |
^ self lineLength |
|
1772 |
! |
|
1773 |
||
1774 |
numberOfTerminalLines |
|
1775 |
^ 24 |
|
1776 |
! |
|
1777 |
||
3493
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1778 |
pageFormat |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1779 |
"return the pageFormat - nil here. |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1780 |
This has NO meaning whatsoever to regular streams; |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1781 |
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
|
1782 |
|
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1783 |
^ nil |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1784 |
|
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1785 |
"Modified: / 15.5.1996 / 17:57:01 / cg" |
87864e021c20
added #pageFormat for printerStream protocol compatibility.
Claus Gittinger <cg@exept.de>
parents:
3462
diff
changeset
|
1786 |
"Created: / 29.5.1998 / 16:57:48 / cg" |
8645 | 1787 |
! |
1788 |
||
1789 |
terminalType |
|
1790 |
^ 'dump' |
|
611 | 1791 |
! ! |
1792 |
||
62 | 1793 |
!Stream methodsFor:'reading'! |
1 | 1794 |
|
1795 |
next |
|
1796 |
"return the next element of the stream |
|
1797 |
- we do not know here how to do it, it must be redefined in subclass" |
|
1798 |
||
1799 |
^ self subclassResponsibility |
|
1800 |
! |
|
1801 |
||
1802 |
next:count |
|
1403 | 1803 |
"return the next count elements of the stream as aCollection, |
1804 |
which depends on the streams type - (see #contentsSpecies)." |
|
1 | 1805 |
|
329 | 1806 |
|answerStream |
285 | 1807 |
cnt "{ Class: SmallInteger }" | |
1 | 1808 |
|
285 | 1809 |
cnt := count. |
7467 | 1810 |
answerStream := WriteStream on:(self contentsSpecies new:cnt). |
285 | 1811 |
1 to:cnt do:[:index | |
7467 | 1812 |
answerStream nextPut:(self next) |
1 | 1813 |
]. |
329 | 1814 |
^ answerStream contents |
1 | 1815 |
|
275 | 1816 |
" |
1817 |
(ReadStream on:#(1 2 3 4 5)) next:3 |
|
1818 |
(ReadStream on:'hello') next:3 |
|
1819 |
" |
|
1403 | 1820 |
|
1821 |
"Modified: 15.5.1996 / 17:57:58 / cg" |
|
1 | 1822 |
! |
1823 |
||
7467 | 1824 |
next:count into:aWriteStream |
1825 |
"put the next count elements of the stream into aWriteStream" |
|
1826 |
||
1827 |
|cnt "{ Class: SmallInteger }" | |
|
1828 |
||
1829 |
cnt := count. |
|
1830 |
1 to:cnt do:[:index | |
|
1831 |
aWriteStream nextPut:self next |
|
1832 |
]. |
|
1833 |
||
1834 |
" |
|
1835 |
|writeStream| |
|
1836 |
writeStream := #() writeStream. |
|
1837 |
#(1 2 3 4 5) readStream next:3 into:writeStream. |
|
1838 |
writeStream contents. |
|
1839 |
||
1840 |
|writeStream| |
|
1841 |
writeStream := '' writeStream. |
|
1842 |
'hello' readStream next:3 into:writeStream. |
|
1843 |
writeStream contents. |
|
1844 |
" |
|
1845 |
||
1846 |
"Modified: 15.5.1996 / 17:57:58 / cg" |
|
1847 |
! |
|
1848 |
||
285 | 1849 |
nextAvailable:count |
1403 | 1850 |
"return the next count elements of the stream as aCollection. |
285 | 1851 |
If the stream reaches the end before count elements have been read, |
1403 | 1852 |
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
|
1853 |
The type of collection is specified in #contentsSpecies." |
285 | 1854 |
|
345 | 1855 |
|answerStream |
285 | 1856 |
cnt "{ Class: SmallInteger }"| |
1857 |
||
1858 |
cnt := count. |
|
10358
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1859 |
answerStream := WriteStream on:(self contentsSpecies new:cnt). |
285 | 1860 |
1 to:cnt do:[:index | |
10358
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1861 |
self atEnd ifTrue:[ |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1862 |
^ answerStream contents |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1863 |
]. |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1864 |
answerStream nextPut:(self next) |
285 | 1865 |
]. |
329 | 1866 |
^ answerStream contents |
285 | 1867 |
|
1868 |
" |
|
3590
d22de87c7fbd
removed endOfStreamQuery - instead, handle unhandled exception
Claus Gittinger <cg@exept.de>
parents:
3586
diff
changeset
|
1869 |
(ReadStream on:#(1 2 3 4 5)) nextAvailable:3 |
285 | 1870 |
(ReadStream on:#(1 2 3 4 5)) nextAvailable:10 |
1871 |
(ReadStream on:'hello') nextAvailable:3 |
|
1872 |
(ReadStream on:'hello') nextAvailable:10 |
|
1873 |
" |
|
1403 | 1874 |
|
3590
d22de87c7fbd
removed endOfStreamQuery - instead, handle unhandled exception
Claus Gittinger <cg@exept.de>
parents:
3586
diff
changeset
|
1875 |
"Modified: / 16.6.1998 / 15:52:41 / cg" |
285 | 1876 |
! |
1877 |
||
1 | 1878 |
nextMatchFor:anObject |
62 | 1879 |
"read an element from the receiver, return true if it was equal to |
1403 | 1880 |
the argument, anObject; false otherwise." |
62 | 1881 |
|
1882 |
^ (self next = anObject) |
|
1883 |
||
1884 |
" |
|
1885 |
|s| |
|
1886 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
1887 |
s nextMatchFor:2 |
|
1888 |
" |
|
1889 |
" |
|
1890 |
|s| |
|
1891 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
1892 |
s nextMatchFor:2. |
|
1893 |
s nextMatchFor:2 |
|
1894 |
" |
|
1403 | 1895 |
|
1896 |
"Modified: 15.5.1996 / 17:58:57 / cg" |
|
62 | 1897 |
! |
1898 |
||
6862 | 1899 |
nextOrNil |
1900 |
"like #next, this returns the next element, if available. |
|
7118 | 1901 |
If nothing is available, this does never raise a read-beyond end signal. |
6862 | 1902 |
Instead, nil is returned immediately." |
1903 |
||
1904 |
self atEnd ifTrue:[^ nil]. |
|
1905 |
^ self next |
|
1906 |
! |
|
1907 |
||
7242 | 1908 |
skip:numberToSkip |
1909 |
"skip numberToSkip objects, return the receiver" |
|
345 | 1910 |
|
62 | 1911 |
"dont know how to unread ..." |
7242 | 1912 |
numberToSkip < 0 ifTrue:[ |
8309 | 1913 |
PositionError raiseRequest. |
7242 | 1914 |
^ self |
62 | 1915 |
]. |
7242 | 1916 |
numberToSkip timesRepeat:self next |
62 | 1917 |
|
1918 |
" |
|
1919 |
|s| |
|
1920 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
1921 |
s skip:4. |
|
1922 |
s next |
|
1923 |
" |
|
4467 | 1924 |
|
1925 |
"Modified: / 30.7.1999 / 12:12:10 / cg" |
|
62 | 1926 |
! |
1927 |
||
1928 |
skipFor:anObject |
|
1403 | 1929 |
"skip all objects up-to and including anObject; |
1930 |
return the element after anObject." |
|
62 | 1931 |
|
1932 |
(self skipThrough:anObject) notNil ifTrue:[ |
|
6373
d6ffb0101dde
workaround bitShift-bitOr codeGenerator bug in stc
Claus Gittinger <cg@exept.de>
parents:
6360
diff
changeset
|
1933 |
^ self next |
62 | 1934 |
]. |
1935 |
^ nil |
|
1936 |
||
1937 |
" |
|
1938 |
|s| |
|
1939 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
6010 | 1940 |
s skipFor:4. |
1941 |
" |
|
1942 |
" |
|
1943 |
|s| |
|
1944 |
s := ReadStream on:'12345678'. |
|
1945 |
s skipFor:$4. |
|
62 | 1946 |
" |
1403 | 1947 |
|
1948 |
"Modified: 15.5.1996 / 17:59:23 / cg" |
|
62 | 1949 |
! |
1950 |
||
10360
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
1951 |
skipLine |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
1952 |
"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
|
1953 |
return nil if EOF reached, self otherwise. |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
1954 |
Not allowed in binary mode." |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
1955 |
|
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
1956 |
^ self skipThrough:Character cr |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
1957 |
! |
f8a5e7c8c8d8
new: #skipLine (was only in ExternalStream)
Stefan Vogel <sv@exept.de>
parents:
10359
diff
changeset
|
1958 |
|
62 | 1959 |
skipThrough:anObject |
6010 | 1960 |
"skip all objects up-to and including anObject. |
1961 |
Return the receiver if skip was successful, |
|
1962 |
otherwise (i.e. if not found) return nil and leave the stream positioned at the end. |
|
62 | 1963 |
The next read operation will return the element after anObject." |
1 | 1964 |
|
1965 |
|nextElement| |
|
1966 |
||
10358
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1967 |
[ |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1968 |
nextElement := self nextOrNil. |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1969 |
(nextElement isNil and:[self atEnd]) ifTrue:[ |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1970 |
^ nil. |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1971 |
]. |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1972 |
nextElement = anObject |
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1973 |
] whileFalse. |
2 | 1974 |
|
62 | 1975 |
" |
1976 |
|s| |
|
10358
5a679e45aeaa
Speed up #nextAvailable: and #skipThrough:
Stefan Vogel <sv@exept.de>
parents:
10181
diff
changeset
|
1977 |
s := ReadStream on:#(1 nil 2 3 4 5 6 7 8). |
62 | 1978 |
s skipThrough:4. |
1979 |
s next |
|
1980 |
" |
|
6010 | 1981 |
" |
1982 |
|s| |
|
1983 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
1984 |
s skipThrough:4. |
|
1985 |
s skipThrough:4. |
|
1986 |
s next |
|
1987 |
" |
|
1988 |
" |
|
1989 |
|s| |
|
1990 |
s := ReadStream on:'12345678'. |
|
1991 |
s skipThrough:$4. |
|
1992 |
s next |
|
1993 |
" |
|
1994 |
" |
|
1995 |
|s| |
|
1996 |
s := ReadStream on:'12345678'. |
|
1997 |
s skipThrough:$4. |
|
1998 |
s skipThrough:$4. |
|
1999 |
s next |
|
2000 |
" |
|
2001 |
" |
|
2002 |
|s| |
|
2003 |
s := ReadStream on:'12345678'. |
|
2004 |
s skipThrough:$4. |
|
2005 |
s skipThrough:$4. |
|
2006 |
s atEnd |
|
2007 |
" |
|
77 | 2008 |
! |
2009 |
||
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2010 |
skipThroughAll:aCollection |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2011 |
"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
|
2012 |
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
|
2013 |
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
|
2014 |
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
|
2015 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2016 |
|buffer l first idx| |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2017 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2018 |
l := aCollection size. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2019 |
first := aCollection at:1. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2020 |
[self atEnd] whileFalse:[ |
2332 | 2021 |
buffer isNil ifTrue:[ |
2022 |
buffer := self nextAvailable:l. |
|
2023 |
]. |
|
2024 |
buffer = aCollection ifTrue:[ |
|
2025 |
^ self |
|
2026 |
]. |
|
2027 |
idx := buffer indexOf:first startingAt:2. |
|
2028 |
idx == 0 ifTrue:[ |
|
2029 |
buffer := nil |
|
2030 |
] ifFalse:[ |
|
2031 |
buffer := (buffer copyFrom:idx) , (self nextAvailable:(idx - 1)) |
|
2032 |
] |
|
2152
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2033 |
]. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2034 |
^ nil |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2035 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2036 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2037 |
|s| |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2038 |
s := ReadStream on:'12345678901234567890'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2039 |
s skipThroughAll:'901'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2040 |
s upToEnd |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2041 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2042 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2043 |
|s| |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2044 |
s := ReadStream on:'12345678901234567890'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2045 |
s skipThroughAll:'1234'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2046 |
s upToEnd |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2047 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2048 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2049 |
|s| |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2050 |
s := ReadStream on:'12345678901234567890'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2051 |
s skipThroughAll:'999'. |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2052 |
s atEnd |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2053 |
" |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2054 |
|
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2055 |
"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
|
2056 |
"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
|
2057 |
! |
6a42beaf7cc5
added a skipThroughAll:, which does not depend on being positionable.
Claus Gittinger <cg@exept.de>
parents:
1949
diff
changeset
|
2058 |
|
611 | 2059 |
through:anObject |
2060 |
"read a collection of all objects up-to anObject and return these |
|
2061 |
elements, including anObject. |
|
2062 |
The next read operation will return the element after anObject. |
|
1409 | 2063 |
If anObject is not encountered, all elements up to the end are read |
2064 |
and returned. |
|
611 | 2065 |
Compare this with #upTo: which also reads up to some object |
2066 |
and also positions behind it, but does not include it in the returned |
|
2067 |
value." |
|
2068 |
||
2069 |
|answerStream element| |
|
2070 |
||
2071 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2072 |
[self atEnd] whileFalse:[ |
|
2332 | 2073 |
element := self next. |
2074 |
answerStream nextPut:element. |
|
2075 |
(element = anObject) ifTrue: [ |
|
2076 |
^ answerStream contents |
|
2077 |
] |
|
611 | 2078 |
]. |
2079 |
^ answerStream contents |
|
2080 |
||
2081 |
" |
|
2082 |
|s| |
|
2083 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
1422 | 2084 |
Transcript showCR:(s through:4). |
2085 |
Transcript showCR:s next |
|
1409 | 2086 |
|
2087 |
|s| |
|
2088 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
1422 | 2089 |
Transcript showCR:(s through:9). |
2090 |
Transcript showCR:s next |
|
1409 | 2091 |
|
611 | 2092 |
|s| |
2093 |
s := ReadStream on:'hello world'. |
|
1422 | 2094 |
Transcript showCR:(s through:Character space). |
2095 |
Transcript showCR:(s upToEnd) |
|
611 | 2096 |
" |
1409 | 2097 |
|
2098 |
"Modified: 17.5.1996 / 08:51:40 / cg" |
|
611 | 2099 |
! |
2100 |
||
1548 | 2101 |
throughAll:aCollection |
2102 |
"read & return a collection of all objects up-to and including |
|
2103 |
a subcollection given by aCollection. |
|
2104 |
(i.e. read until a ``substring'' is encountered.) |
|
2105 |
The next read operation will return the element after aCollection. |
|
2106 |
If aCollection is not encountered, all elements up to the end are read |
|
2107 |
and returned." |
|
2108 |
||
2109 |
|answerStream element last rslt| |
|
2110 |
||
2111 |
last := aCollection last. |
|
2112 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2113 |
[self atEnd] whileFalse:[ |
|
2332 | 2114 |
element := self next. |
2115 |
answerStream nextPut:element. |
|
2116 |
element == last ifTrue:[ |
|
2117 |
((rslt := answerStream contents) endsWith:aCollection) ifTrue:[ |
|
2118 |
^ rslt |
|
2119 |
] |
|
2120 |
]. |
|
1548 | 2121 |
]. |
2122 |
^ answerStream contents |
|
2123 |
||
2124 |
" |
|
2125 |
|s| |
|
2126 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
2127 |
Transcript showCR:(s throughAll:#(4 4 4)). |
|
2128 |
Transcript showCR:s next |
|
2129 |
||
2130 |
|s| |
|
2131 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
2132 |
Transcript showCR:(s throughAll:#(4 5 6)). |
|
2133 |
Transcript showCR:s next |
|
2134 |
||
2135 |
|s| |
|
2136 |
s := ReadStream on:'hello world, this is some text'. |
|
2137 |
Transcript showCR:(s throughAll:'world'). |
|
2138 |
Transcript showCR:(s throughAll:'some'). |
|
2139 |
Transcript showCR:s upToEnd. |
|
2140 |
" |
|
2141 |
||
2142 |
"Modified: 15.7.1996 / 09:08:07 / cg" |
|
2143 |
! |
|
2144 |
||
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2145 |
throughAny:aCollection |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2146 |
"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
|
2147 |
an element contained in aCollection. |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2148 |
(i.e. read until any from aCollection is encountered.) |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2149 |
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
|
2150 |
and returned." |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2151 |
|
9070 | 2152 |
|answerStream element| |
2153 |
||
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2154 |
answerStream := WriteStream on:(self contentsSpecies new). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2155 |
[self atEnd] whileFalse:[ |
9070 | 2156 |
element := self next. |
2157 |
answerStream nextPut:element. |
|
2158 |
(aCollection includes:element) ifTrue:[ |
|
2159 |
^ answerStream contents |
|
2160 |
]. |
|
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2161 |
]. |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2162 |
^ answerStream contents |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2163 |
|
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2164 |
" |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2165 |
|s| |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2166 |
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
|
2167 |
Transcript showCR:(s throughAny:#(3 4 5)). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2168 |
Transcript showCR:s next |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2169 |
|
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2170 |
|s| |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2171 |
s := ReadStream on:'hello world, this is some text'. |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2172 |
Transcript showCR:(s throughAny:'wt'). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2173 |
Transcript showCR:(s throughAny:'wt'). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2174 |
Transcript showCR:s upToEnd. |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2175 |
" |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2176 |
|
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2177 |
"Modified: / 11.1.1998 / 15:28:04 / cg" |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2178 |
! |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2179 |
|
427 | 2180 |
upTo:anObject |
2181 |
"read a collection of all objects up-to anObject and return these |
|
2182 |
elements, but excluding anObject. |
|
2183 |
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
|
2184 |
(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
|
2185 |
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
|
2186 |
returned collection. |
1409 | 2187 |
If anObject is not encountered, all elements up to the end are read |
2188 |
and returned. |
|
427 | 2189 |
Compare this with #through: which also reads up to some object |
2190 |
and also positions behind it, but DOES include it in the returned |
|
2191 |
value." |
|
2192 |
||
2193 |
|answerStream element| |
|
2194 |
||
2195 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
10359 | 2196 |
[ |
2197 |
element := self nextOrNil. |
|
2198 |
((element isNil and:[self atEnd]) or:[element = anObject]) ifTrue:[ |
|
2199 |
true |
|
2200 |
] ifFalse:[ |
|
2201 |
answerStream nextPut:element. |
|
2202 |
false |
|
2203 |
]. |
|
2204 |
] whileFalse. |
|
2205 |
||
427 | 2206 |
^ answerStream contents |
2207 |
||
2208 |
" |
|
2209 |
|s| |
|
2210 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
|
1422 | 2211 |
Transcript showCR:(s upTo:4). |
2212 |
Transcript showCR:s next |
|
427 | 2213 |
|
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2214 |
compare the above to: |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2215 |
|s| |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2216 |
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
|
2217 |
Transcript showCR:(s through:4). |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2218 |
Transcript showCR:s next |
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2219 |
|
427 | 2220 |
|s| |
1409 | 2221 |
s := ReadStream on:#(1 2 3 4 5 6 7 8). |
1422 | 2222 |
Transcript showCR:(s upTo:9). |
2223 |
Transcript showCR:s next |
|
1409 | 2224 |
|
2225 |
|s| |
|
427 | 2226 |
s := ReadStream on:'hello world'. |
1422 | 2227 |
Transcript showCR:(s upTo:Character space). |
2228 |
Transcript showCR:(s upToEnd) |
|
427 | 2229 |
|
2230 |
(ReadStream on:'12345678905') upTo:$5; upTo:$5 |
|
2231 |
||
2232 |
(ReadStream on:'123456') upTo:$7 |
|
2233 |
||
2234 |
(ReadStream on:#(1 2 3 4 5 6)) upTo:4 |
|
2235 |
||
2236 |
(ReadStream on:'line 1 |
|
10359 | 2237 |
line 2') upTo:Character cr |
427 | 2238 |
|
2239 |
'Makefile' asFilename readStream upTo:Character cr;upTo:Character cr |
|
2240 |
" |
|
1409 | 2241 |
|
3169
cef3b9a6de2c
moved upToAll: to positionableStream.
Claus Gittinger <cg@exept.de>
parents:
3154
diff
changeset
|
2242 |
"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
|
2243 |
"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
|
2244 |
! |
f73912c49864
Implement #upToAll: consistent with #upTo: and #upToAny: in Stream.
Stefan Vogel <sv@exept.de>
parents:
3169
diff
changeset
|
2245 |
|
3586 | 2246 |
upToAllExcluding:aCollection |
2247 |
"read a collection of all objects up-to a element which is contained in |
|
2248 |
aCollection and return these elements, but excluding the matching one. |
|
2249 |
The next read operation will return the element after aCollection. |
|
2250 |
If no such element is encountered, all elements up to the end are read |
|
2251 |
and returned. |
|
6494 | 2252 |
See also #throughAll: which also reads up to some object |
3586 | 2253 |
and also positions behind it, but DOES include it in the returned |
6494 | 2254 |
value. |
2255 |
See also #upToAll:, which returns the same, but leaves the |
|
2256 |
read pointer before the matched subcollection." |
|
3586 | 2257 |
|
2258 |
|answerStream element last rslt| |
|
2259 |
||
2260 |
last := aCollection last. |
|
2261 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2262 |
[self atEnd] whileFalse:[ |
|
6494 | 2263 |
element := self next. |
2264 |
answerStream nextPut:element. |
|
2265 |
element == last ifTrue:[ |
|
2266 |
((rslt := answerStream contents) endsWith:aCollection) ifTrue:[ |
|
2267 |
^ rslt copyWithoutLast:aCollection size |
|
2268 |
] |
|
2269 |
]. |
|
3586 | 2270 |
]. |
2271 |
^ answerStream contents |
|
2272 |
||
2273 |
" |
|
2274 |
|s| |
|
2275 |
s := ReadStream on:'hello world world'. |
|
2276 |
Transcript show:'<'; show:(s upToAllExcluding:'wo'); showCR:'>'. |
|
2277 |
Transcript show:'<'; show:(s upToAllExcluding:'wo'); showCR:'>'. |
|
2278 |
Transcript show:'<'; show:(s upToEnd); showCR:'>'. |
|
2279 |
" |
|
2280 |
||
2281 |
"Created: / 15.6.1998 / 19:11:31 / cg" |
|
2282 |
! |
|
2283 |
||
2894 | 2284 |
upToAny:aCollectionOfObjects |
2420 | 2285 |
"read a collection of all objects up-to a element which is contained in |
2286 |
aCollectionOfObjects and return these elements, but excluding the matching one. |
|
2287 |
The next read operation will return the element after anObject. |
|
2288 |
If no such element is encountered, all elements up to the end are read |
|
2289 |
and returned. |
|
2290 |
Compare this with #throughAll: which also reads up to some object |
|
2291 |
and also positions behind it, but DOES include it in the returned |
|
2292 |
value." |
|
2293 |
||
2294 |
|answerStream element| |
|
2295 |
||
2296 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2297 |
[self atEnd] whileFalse:[ |
|
3154 | 2298 |
element := self next. |
2299 |
(aCollectionOfObjects includes:element) ifTrue: [ |
|
2300 |
^ answerStream contents |
|
2301 |
]. |
|
2302 |
answerStream nextPut:element. |
|
2420 | 2303 |
]. |
2304 |
^ answerStream contents |
|
2305 |
||
2306 |
" |
|
2307 |
|s| |
|
2308 |
s := ReadStream on:'hello world'. |
|
3154 | 2309 |
Transcript showCR:(s upToAny:(Array with:Character space)). |
2420 | 2310 |
Transcript showCR:(s upToEnd) |
2311 |
||
3154 | 2312 |
'Makefile' asFilename readStream upToAny:($A to:$Z) |
2313 |
" |
|
2420 | 2314 |
|
3154 | 2315 |
"Created: / 30.8.1997 / 03:02:05 / cg" |
2316 |
"Modified: / 11.1.1998 / 15:19:18 / cg" |
|
2420 | 2317 |
! |
2318 |
||
77 | 2319 |
upToEnd |
2320 |
"return a collection of the elements up-to the end. |
|
1403 | 2321 |
Return an empty collection, if the stream-end is already at the end." |
77 | 2322 |
|
2323 |
|answerStream| |
|
2324 |
||
2325 |
answerStream := WriteStream on:(self contentsSpecies new). |
|
2326 |
[self atEnd] whileFalse:[ |
|
2332 | 2327 |
answerStream nextPut:(self next) |
77 | 2328 |
]. |
2329 |
^ answerStream contents |
|
2330 |
||
275 | 2331 |
" |
2332 |
(ReadStream on:'1234567890') upToEnd |
|
2333 |
('123456' readStream) next; next; upToEnd |
|
427 | 2334 |
('1 23456' readStream) upTo:Character space; upToEnd |
1403 | 2335 |
('12' readStream) next; next; upToEnd |
275 | 2336 |
" |
1403 | 2337 |
|
2338 |
"Modified: 15.5.1996 / 18:00:39 / cg" |
|
611 | 2339 |
! ! |
77 | 2340 |
|
6857 | 2341 |
!Stream methodsFor:'reading-strings'! |
3084 | 2342 |
|
2343 |
nextLine |
|
2344 |
"return the characters upTo (but excluding) the next cr (carriage return) |
|
2345 |
character (i.e. read a single line of text). |
|
2346 |
Added for protocol compatibility with externalStreams." |
|
2347 |
||
3462 | 2348 |
self atEnd ifTrue:[ |
8614 | 2349 |
^ self pastEndRead |
3462 | 2350 |
]. |
3084 | 2351 |
^ self upTo:Character cr. |
2352 |
||
3462 | 2353 |
"Modified: / 19.5.1998 / 17:26:25 / cg" |
3084 | 2354 |
! ! |
2355 |
||
611 | 2356 |
!Stream methodsFor:'testing'! |
77 | 2357 |
|
611 | 2358 |
atEnd |
2359 |
"return true if the end of the stream has been reached; |
|
2360 |
- we do not know here how to do it, it must be redefined in subclass" |
|
77 | 2361 |
|
611 | 2362 |
^ self subclassResponsibility |
9294 | 2363 |
! |
2364 |
||
2365 |
isEmpty |
|
2366 |
"return true, if the contents of the stream is empty" |
|
2367 |
||
2368 |
^ self subclassResponsibility |
|
2369 |
! |
|
2370 |
||
2371 |
notEmpty |
|
2372 |
"return true, if the contents of the stream is not empty" |
|
2373 |
||
2374 |
^ self isEmpty not |
|
1 | 2375 |
! ! |
2376 |
||
62 | 2377 |
!Stream methodsFor:'writing'! |
1 | 2378 |
|
339 | 2379 |
commit |
1462
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2380 |
"alias for flush -- ST80 compatibility" |
339 | 2381 |
|
1462
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2382 |
^ self flush |
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2383 |
|
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2384 |
"Modified: 7.5.1996 / 23:55:39 / stefan" |
339 | 2385 |
! |
2386 |
||
611 | 2387 |
cr |
1403 | 2388 |
"append a carriage-return to the stream. |
2389 |
This is only allowed, if the receiver supports writing." |
|
611 | 2390 |
|
2391 |
self nextPut:(Character cr) |
|
1403 | 2392 |
|
2393 |
"Modified: 15.5.1996 / 18:01:21 / cg" |
|
611 | 2394 |
! |
2395 |
||
2396 |
crTab |
|
2397 |
"append a carriage-return followed by a tab to the stream. |
|
1403 | 2398 |
Same as crtab for ST/X backward compatibility. |
2399 |
This is only allowed, if the receiver supports writing." |
|
611 | 2400 |
|
5873 | 2401 |
<resource:#obsolete> |
2402 |
||
9061 | 2403 |
self obsoleteMethodWarning:'use #crtab'. |
611 | 2404 |
self crtab |
1403 | 2405 |
|
2406 |
"Modified: 15.5.1996 / 18:01:28 / cg" |
|
611 | 2407 |
! |
2408 |
||
9001 | 2409 |
crlf |
2410 |
"append a CR LF to the stream. |
|
2411 |
This is only allowed, if the receiver supports writing." |
|
2412 |
||
2413 |
self nextPut:(Character return); |
|
2414 |
nextPut:(Character lf). |
|
2415 |
! |
|
2416 |
||
611 | 2417 |
crtab |
1403 | 2418 |
"append a carriage-return followed by a tab to the stream. |
2419 |
This is only allowed, if the receiver supports writing." |
|
1 | 2420 |
|
611 | 2421 |
self crtab:1 |
1403 | 2422 |
|
2423 |
"Modified: 15.5.1996 / 18:01:35 / cg" |
|
611 | 2424 |
! |
2425 |
||
2426 |
crtab:n |
|
1403 | 2427 |
"append a carriage-return followed by n tabs to the stream. |
2428 |
This is only allowed, if the receiver supports writing." |
|
611 | 2429 |
|
2430 |
self nextPut:(Character cr). |
|
2431 |
self next:n put:(Character tab) |
|
1403 | 2432 |
|
2433 |
"Modified: 15.5.1996 / 18:01:39 / cg" |
|
611 | 2434 |
! |
2435 |
||
2436 |
endEntry |
|
2437 |
"ignored here - for compatibility with Transcript" |
|
2438 |
||
2439 |
^ self |
|
2440 |
! |
|
2441 |
||
2442 |
ff |
|
1403 | 2443 |
"append a form-feed (new-pagee) to the receiver-stream. |
2444 |
This is only allowed, if the receiver supports writing." |
|
611 | 2445 |
|
2446 |
self nextPut:(Character ff) |
|
1403 | 2447 |
|
2448 |
"Modified: 15.5.1996 / 18:01:47 / cg" |
|
1 | 2449 |
! |
2450 |
||
701 | 2451 |
flush |
1462
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2452 |
"write out all unbuffered data - ignored here, but added |
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2453 |
to make internalStreams protocol compatible with externalStreams" |
701 | 2454 |
|
1462
7196fe152248
Cleanup #flush and #commit handling.
Stefan Vogel <sv@exept.de>
parents:
1448
diff
changeset
|
2455 |
"Modified: 7.5.1996 / 23:54:53 / stefan" |
701 | 2456 |
! |
2457 |
||
1 | 2458 |
next:count put:anObject |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2459 |
"put the argument, anObject count times onto the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2460 |
This is only allowed, if the receiver supports writing." |
1 | 2461 |
|
345 | 2462 |
|n "{ Class: SmallInteger }"| |
2463 |
||
2464 |
n := count. |
|
2465 |
n timesRepeat:[self nextPut:anObject]. |
|
1 | 2466 |
^ anObject |
62 | 2467 |
|
2468 |
" |
|
2469 |
|s| |
|
2470 |
||
2471 |
s := WriteStream on:#(). |
|
2472 |
s nextPut:1. |
|
2473 |
s next:5 put:2. |
|
2474 |
s nextPut:3. |
|
2475 |
s contents |
|
2476 |
" |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2477 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2478 |
"Modified: 11.7.1996 / 10:00:13 / cg" |
1 | 2479 |
! |
2480 |
||
611 | 2481 |
nextPut:anObject |
2482 |
"put the argument, anObject onto the receiver |
|
2483 |
- we do not know here how to do it, it must be redefined in subclass" |
|
2484 |
||
2485 |
^ self subclassResponsibility |
|
2486 |
! |
|
2487 |
||
1 | 2488 |
nextPutAll:aCollection |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2489 |
"put all elements of the argument, aCollection onto the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2490 |
This is only allowed, if the receiver supports writing." |
1 | 2491 |
|
2492 |
aCollection do:[:element | |
|
2332 | 2493 |
self nextPut:element |
1 | 2494 |
]. |
2495 |
^ aCollection |
|
62 | 2496 |
|
2497 |
" |
|
2498 |
|s| |
|
2499 |
||
2500 |
s := WriteStream on:#(). |
|
2501 |
s nextPutAll:(1 to:5). |
|
2502 |
s nextPutAll:#('one' 'two' 'three'). |
|
2503 |
s contents |
|
2504 |
" |
|
2505 |
" |
|
2506 |
|s| |
|
2507 |
||
2508 |
s := WriteStream on:(String new). |
|
2509 |
s nextPutAll:($a to:$f). |
|
2510 |
s nextPutAll:'one '; |
|
2511 |
nextPutAll:'two '; |
|
2512 |
nextPutAll:'three'. |
|
2513 |
s contents |
|
2514 |
" |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2515 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2516 |
"Modified: 11.7.1996 / 10:00:21 / cg" |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2517 |
! |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2518 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2519 |
nextPutAll:aCollection startingAt:first |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2520 |
"append the elements starting with index to the end |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2521 |
of the argument, aCollection onto the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2522 |
This is only allowed, if the receiver supports writing." |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2523 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2524 |
self nextPutAll:aCollection startingAt:first to:(aCollection size). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2525 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2526 |
" |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2527 |
|s| |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2528 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2529 |
s := WriteStream on:#(). |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2530 |
s nextPutAll:#('one' 'two' 'three' 'four' 'five') startingAt:2. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2531 |
s contents |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2532 |
" |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2533 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2534 |
"Modified: 11.7.1996 / 10:00:28 / cg" |
1 | 2535 |
! |
2536 |
||
2537 |
nextPutAll:aCollection startingAt:first to:last |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2538 |
"append the elements with index from first to last |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2539 |
of the argument, aCollection onto the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2540 |
This is only allowed, if the receiver supports writing." |
1 | 2541 |
|
2542 |
aCollection from:first to:last do:[:element | |
|
2332 | 2543 |
self nextPut:element |
1 | 2544 |
]. |
2545 |
^ aCollection |
|
62 | 2546 |
|
2547 |
" |
|
2548 |
|s| |
|
2549 |
||
2550 |
s := WriteStream on:#(). |
|
2551 |
s nextPutAll:#('one' 'two' 'three' 'four' 'five') startingAt:2 to:4. |
|
2552 |
s contents |
|
2553 |
" |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2554 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2555 |
"Modified: 11.7.1996 / 10:00:32 / cg" |
1 | 2556 |
! |
2557 |
||
5628
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
2558 |
nextPutAllUntranslated:aCollection |
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
2559 |
"for compatibility with printStreams (putAll - as-is without escapes)" |
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
2560 |
|
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
2561 |
self nextPutAll:aCollection |
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
2562 |
! |
1dc85c4c4b7c
added #nextPutAllUntranslated: (for printStream compatibility)
Claus Gittinger <cg@exept.de>
parents:
5395
diff
changeset
|
2563 |
|
743 | 2564 |
nextPutLine:aCollection |
2565 |
"put all elements of the argument, aCollection onto the receiver, |
|
1949 | 2566 |
and append a cr (carriage return). |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2567 |
This is only useful with character streams in textMode, |
1949 | 2568 |
and only allowed, if the receiver supports writing." |
743 | 2569 |
|
2570 |
self nextPutAll:aCollection. |
|
2571 |
self cr. |
|
2572 |
||
2573 |
"Created: 13.12.1995 / 10:49:17 / cg" |
|
1949 | 2574 |
"Modified: 8.11.1996 / 23:53:41 / cg" |
743 | 2575 |
! |
2576 |
||
611 | 2577 |
print:anObject |
2578 |
"append a printed representation of anObject to the receiver. |
|
1403 | 2579 |
Same as 'anObject printOn:self'; Added for ST-80 compatibility." |
2 | 2580 |
|
611 | 2581 |
anObject printOn:self |
1403 | 2582 |
|
2583 |
" |
|
2584 |
|s| |
|
2585 |
||
2586 |
s := WriteStream on:''. |
|
2587 |
s nextPutAll:'one '; |
|
2588 |
print:1; |
|
2589 |
nextPutAll:' two '; |
|
2590 |
print:2. |
|
2591 |
||
2592 |
s contents |
|
2593 |
" |
|
2594 |
||
2595 |
"Modified: 15.5.1996 / 18:06:06 / cg" |
|
2 | 2596 |
! |
2597 |
||
1403 | 2598 |
show:something |
2599 |
"append a printed representation of the argument to the stream. |
|
2600 |
This makes streams somewhat compatible to TextCollectors and |
|
2601 |
allows you to say: |
|
10920 | 2602 |
Smalltalk at:#Transcript put:Stdout |
1422 | 2603 |
or to use #show:/#showCR: with internal or external streams." |
1 | 2604 |
|
10920 | 2605 |
something printOn:self |
1 | 2606 |
! |
2607 |
||
1414 | 2608 |
showCR:aString |
1403 | 2609 |
"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
|
2610 |
and append a newline character. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2611 |
This makes streams somewhat compatible to TextCollectors and |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2612 |
allows you to say: |
2332 | 2613 |
Smalltalk at:#Transcript put:Stdout |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2614 |
or to use #show:/#showCR: with internal or external streams." |
1 | 2615 |
|
2616 |
self show:aString. |
|
2617 |
self cr |
|
1403 | 2618 |
|
1414 | 2619 |
"Created: 18.5.1996 / 15:34:17 / cg" |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2620 |
"Modified: 11.7.1996 / 10:01:27 / cg" |
1414 | 2621 |
! |
2622 |
||
2623 |
showCr:aString |
|
2624 |
"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
|
2625 |
and append a newline character. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2626 |
This is obsolete ST/X backward compatibility; use #showCR:" |
1414 | 2627 |
|
5873 | 2628 |
<resource:#obsolete> |
2629 |
||
1414 | 2630 |
self obsoleteMethodWarning:'use #showCR:'. |
2631 |
self showCR:aString. |
|
2632 |
||
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2633 |
"Modified: 11.7.1996 / 10:01:50 / cg" |
62 | 2634 |
! |
2635 |
||
2636 |
space |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2637 |
"append a space character to the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2638 |
This is only allowed, if the receiver supports writing." |
62 | 2639 |
|
2640 |
self nextPut:(Character space) |
|
1403 | 2641 |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2642 |
"Modified: 11.7.1996 / 10:02:06 / cg" |
62 | 2643 |
! |
2644 |
||
2645 |
spaces:count |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2646 |
"append count space-characters to the receiver. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2647 |
This is only allowed, if the receiver supports writing." |
62 | 2648 |
|
2649 |
self next:count put:(Character space) |
|
1403 | 2650 |
|
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2651 |
"Modified: 11.7.1996 / 10:02:10 / cg" |
62 | 2652 |
! |
2653 |
||
611 | 2654 |
store:anObject |
2655 |
"append a printed representation of anObject to the receiver, |
|
1403 | 2656 |
from which the receiver can be reconstructed (i.e. its storeString). |
2657 |
Same as 'anObject storeOn:self'; Added for ST-80 compatibility." |
|
77 | 2658 |
|
611 | 2659 |
anObject storeOn:self |
1403 | 2660 |
|
2661 |
"Modified: 15.5.1996 / 18:05:55 / cg" |
|
77 | 2662 |
! |
2663 |
||
8645 | 2664 |
sync |
2665 |
"write out all unbuffered data - ignored here, but added |
|
2666 |
to make internalStreams protocol compatible with externalStreams" |
|
2667 |
! |
|
2668 |
||
611 | 2669 |
tab |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2670 |
"append a tab-character to the stream. |
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2671 |
This is only allowed, if the receiver supports writing." |
77 | 2672 |
|
611 | 2673 |
self nextPut:(Character tab) |
1538
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2674 |
|
b62f12073403
commentary; added #nextPutAll:startingAt:
Claus Gittinger <cg@exept.de>
parents:
1462
diff
changeset
|
2675 |
"Modified: 11.7.1996 / 10:02:20 / cg" |
2443 | 2676 |
! |
2677 |
||
2678 |
tab:count |
|
2679 |
"append count tab-characters to the receiver. |
|
2680 |
This is only allowed, if the receiver supports writing." |
|
2681 |
||
2682 |
self next:count put:(Character tab) |
|
2683 |
||
2684 |
"Modified: 11.7.1996 / 10:02:10 / cg" |
|
77 | 2685 |
! ! |
2686 |
||
8054
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2687 |
!Stream methodsFor:'writing-chunks'! |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2688 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2689 |
nextChunkPut:aString |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2690 |
"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
|
2691 |
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
|
2692 |
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
|
2693 |
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
|
2694 |
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
|
2695 |
or other editors. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2696 |
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
|
2697 |
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
|
2698 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2699 |
self nextPutAllAsChunk:aString. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2700 |
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
|
2701 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2702 |
"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
|
2703 |
! |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2704 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2705 |
nextPutAllAsChunk:aString |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2706 |
"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
|
2707 |
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
|
2708 |
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
|
2709 |
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
|
2710 |
or other editors. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2711 |
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
|
2712 |
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
|
2713 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2714 |
|sep stopChars inPrimitive character |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2715 |
index "{ Class:SmallInteger }" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2716 |
endIndex "{ Class:SmallInteger }" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2717 |
stop "{ Class:SmallInteger }" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2718 |
next "{ Class:SmallInteger }"| |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2719 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2720 |
endIndex := aString size. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2721 |
endIndex == 0 ifTrue:[^ self]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2722 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2723 |
sep := self class chunkSeparator. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2724 |
stopChars := '{}' copyWith:sep. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2725 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2726 |
inPrimitive := false. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2727 |
index := 1. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2728 |
stop := endIndex + 1. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2729 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2730 |
[index <= endIndex] whileTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2731 |
" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2732 |
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
|
2733 |
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
|
2734 |
" |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2735 |
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
|
2736 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2737 |
((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
|
2738 |
self nextPutAll:aString |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2739 |
] ifFalse:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2740 |
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
|
2741 |
]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2742 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2743 |
index := next. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2744 |
(index <= endIndex) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2745 |
character := aString at:index. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2746 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2747 |
(character == ${ ) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2748 |
"/ starts a primitive |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2749 |
((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
|
2750 |
inPrimitive := true |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2751 |
] |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2752 |
] ifFalse:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2753 |
"/ ends a primitive |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2754 |
(character == $} ) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2755 |
((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
|
2756 |
inPrimitive := false |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2757 |
] |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2758 |
] ifFalse:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2759 |
"/ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2760 |
"/ 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
|
2761 |
"/ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2762 |
inPrimitive ifFalse:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2763 |
(character == sep) ifTrue:[ |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2764 |
self nextPut:sep |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2765 |
] |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2766 |
] |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2767 |
] |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2768 |
]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2769 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2770 |
self nextPut:character. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2771 |
index := index + 1. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2772 |
]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2773 |
]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2774 |
(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
|
2775 |
self cr. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2776 |
]. |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2777 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2778 |
"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
|
2779 |
"/ foo |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2780 |
! |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2781 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2782 |
nextPutChunkSeparator |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2783 |
"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
|
2784 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2785 |
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
|
2786 |
|
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2787 |
"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
|
2788 |
! ! |
7f31b0651027
chunk stuff moved from positionable stream (did not need positioning)
Claus Gittinger <cg@exept.de>
parents:
7687
diff
changeset
|
2789 |
|
1949 | 2790 |
!Stream class methodsFor:'documentation'! |
701 | 2791 |
|
2792 |
version |
|
11138 | 2793 |
^ '$Header: /cvs/stx/stx/libbasic/Stream.st,v 1.159 2008-08-20 20:37:36 cg Exp $' |
701 | 2794 |
! ! |
6857 | 2795 |
|
611 | 2796 |
Stream initialize! |