author | Claus Gittinger <cg@exept.de> |
Wed, 09 Jul 2014 18:20:24 +0200 | |
changeset 16719 | 19b7ae0bbb49 |
parent 16320 | dcb66fff0a89 |
child 16796 | 133b05124446 |
permissions | -rw-r--r-- |
1 | 1 |
" |
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COPYRIGHT (c) 1993 by Claus Gittinger |
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300 | 3 |
All Rights Reserved |
1 | 4 |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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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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14 |
ArrayedCollection subclass:#UninterpretedBytes |
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instanceVariableNames:'' |
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classVariableNames:'IsBigEndian' |
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poolDictionaries:'' |
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category:'Collections-Abstract' |
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! |
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||
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!UninterpretedBytes primitiveDefinitions! |
22 |
%{ |
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/* |
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* Notice: I am abstract, and my subclasses may be anything. |
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* Therefore, the code must always handle the fallback case |
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* where the receiver is neither an ExternalBytes nor a ByteArray. |
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* (which are, however, the most common) |
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* |
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* macro to fetch my byte address and size-in-bytes; |
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* convenient for inline-C code. |
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* (yes, C is bad ...) |
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*/ |
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#define __fetchBytePointerAndSize__(o, pPtr, pSize) \ |
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{\ |
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if (__isNonNilObject(o)) { \ |
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13575 | 36 |
if (__isByteArrayLike(o)) { \ |
37 |
*(pPtr) = (unsigned char *)__ByteArrayInstPtr(o)->ba_element; \ |
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*(pSize) = __byteArraySize(o); \ |
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} else if (__qIsExternalBytesLike(o)) { \ |
13575 | 40 |
OBJ __sz__ = __externalBytesSize(o); \ |
41 |
if (__isSmallInteger(__sz__)) { \ |
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*(pSize) = __intVal(__sz__); \ |
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*(pPtr) = (unsigned char *)(__externalBytesAddress(o)); \ |
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} else { \ |
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*(pSize) = 0; \ |
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*(pPtr) = (unsigned char *)0; \ |
47 |
} \ |
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} else { \ |
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*(pSize) /* nInstBytes */ = OHDR_SIZE + __OBJS2BYTES__(__intVal(__ClassInstPtr(__qClass(o))->c_ninstvars)); \ |
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*(pPtr) = (char *)(__InstPtr(self)) + *(pSize) /* nInstBytes */; \ |
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*(pSize) = __qSize(self) - *(pSize) /* nInstBytes */; \ |
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} \ |
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} else { \ |
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*(pSize) = 0; \ |
13575 | 55 |
*(pPtr) = (unsigned char *)0; \ |
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} \ |
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} |
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%} |
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! ! |
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||
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!UninterpretedBytes class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1993 by Claus Gittinger |
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300 | 67 |
All Rights Reserved |
88 | 68 |
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This software is furnished under a license and may be used |
|
70 |
only in accordance with the terms of that license and with the |
|
71 |
inclusion of the above copyright notice. This software may not |
|
72 |
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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! |
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||
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documentation |
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" |
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UninterpretedBytes provides the common protocol for byte-storage |
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containers; concrete subclasses are |
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82 |
ByteArray (which store the bytes within the |
13575 | 83 |
Smalltalk object memory) |
84 |
and |
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85 |
ExternalBytes (which store the bytes in the malloc-heap). |
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86 |
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87 |
UninterpretedBytes itself is abstract, so no instances of it can be created. |
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88 |
|
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89 |
[See also:] |
4308 | 90 |
ByteArray String ExternalBytes |
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[author:] |
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Claus Gittinger |
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[Notice:] |
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Notice the confusion due to multiple methods with the same |
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functionality (i.e. 'xxxx:MSB:' vs. 'xxxx:bigEndian:'). |
98 |
The reason is that at the time this class was written, |
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ST80 sid not offer protocol to specify the byteOrder, and |
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ST/X provided methods ending in 'MSB:' for this. |
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In the meanwhile, VW added protocol ending in 'bigEndian:', |
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which has been added here for compatibility. |
103 |
(certainly a point, where an ansi-standard will help) |
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" |
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! ! |
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1 | 106 |
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!UninterpretedBytes class methodsFor:'instance creation'! |
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108 |
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from:aByteArray |
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110 |
"return new instance which is a copy of aByteArray" |
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111 |
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112 |
|len bytes| |
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113 |
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len := aByteArray size. |
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115 |
bytes := self new:len. |
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116 |
bytes replaceBytesFrom:1 to:len with:aByteArray startingAt:1. |
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117 |
^ bytes |
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118 |
|
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" |
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120 |
String from:#[40 41 42] |
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121 |
String with:#[40 41 42 43 44 45 46 47 48 49 50] from:2 to:5 |
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" |
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123 |
! |
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124 |
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125 |
fromHexString:aString |
15717 | 126 |
"decode a byteArray from a hex string (as generated by hexPrintOn:)" |
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127 |
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| sz bytes s hi lo | |
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129 |
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sz := aString size. |
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131 |
sz == 0 ifTrue:[^ self new]. |
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sz odd ifTrue:[ ConversionError raiseWith:aString errorString:'invalid hex string (odd size)' ]. |
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bytes := self new: sz // 2. |
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135 |
s := aString readStream. |
12551 | 136 |
1 to: sz // 2 do: [ :idx | |
15717 | 137 |
hi := s next digitValue. |
138 |
lo := s next digitValue. |
|
139 |
bytes at:idx put: ((hi bitShift:4) bitOr: lo) |
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]. |
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141 |
^ bytes |
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142 |
|
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" |
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144 |
ByteArray fromHexString:'1234FEFF' |
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145 |
ExternalBytes fromHexString:'1234FEFF' |
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" |
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" |
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148 |
|s| |
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149 |
s := String streamContents:[:s | #[1 2 3] hexPrintOn:s]. |
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150 |
ByteArray fromHexString:s |
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151 |
" |
12551 | 152 |
" |
153 |
Time millisecondsToRun:[ |
|
15717 | 154 |
1000000 timesRepeat:[ ByteArray fromHexString:'1234FEFF1234FEFF1234FEFF1234FEFF' ] |
12551 | 155 |
]. |
156 |
" |
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15717 | 157 |
|
158 |
"Modified (comment): / 28-08-2013 / 20:40:04 / cg" |
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! |
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160 |
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+fromHexStringWithSeparators
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161 |
fromHexStringWithSeparators:aString |
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+fromHexStringWithSeparators
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162 |
"read a bytearray from a printed string representation, where |
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163 |
individual bytes are encoded as two hex digits, optionally separated by whiteSpace. |
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+fromHexStringWithSeparators
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164 |
See also fromHexString:, which does something similar, but does not allow for spaces" |
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+fromHexStringWithSeparators
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165 |
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166 |
^ self streamContents:[:outStream | |
13575 | 167 |
|inStream h| |
168 |
||
169 |
inStream := aString readStream. |
|
170 |
||
171 |
[ |
|
172 |
inStream skipSeparators. |
|
173 |
inStream atEnd |
|
174 |
] whileFalse:[ |
|
175 |
h := inStream next:2. |
|
176 |
outStream nextPut:(Integer readFrom:h base:16). |
|
177 |
]. |
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178 |
]. |
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179 |
|
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" |
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181 |
ByteArray fromHexString:'1234FEFF' |
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182 |
ByteArray fromHexStringWithSeparators:' 12 34 FE FF' |
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" |
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! |
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fromPackedString:aString |
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187 |
"ST-80 compatibility: decode a byteArray from a packed string in which |
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188 |
6bits are encoded per character. The argument, aString must be a multiple |
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189 |
of 4 in size (since 24 is the lcm of 6 and 8). This is somewhat like |
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190 |
the radix-encoding used in good old PDP11 times ;-) |
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191 |
ST-80 uses this encoding for Images ... |
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192 |
This is very similar (but not equal) to the algorithm used in RFC1421. |
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193 |
PS: It took a while to figure that one out ... I dont like it ;-)" |
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194 |
|
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195 |
|index "{ Class: SmallInteger }" |
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196 |
dstIndex "{ Class: SmallInteger }" |
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197 |
stop "{ Class: SmallInteger }" |
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198 |
sixBits "{ Class: SmallInteger }" |
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199 |
n "{ Class: SmallInteger }" |
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200 |
sz "{ Class: SmallInteger }" |
12551 | 201 |
last bytes| |
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|
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sz := aString size. |
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204 |
sz == 0 ifTrue:[^ self new]. |
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sz := sz - (aString count:[:ch | ch codePoint < 32]). |
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207 |
stop := sz // 4 * 3. |
12551 | 208 |
"the size modulo 3 is encoded in the last character, if it is in the |
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209 |
range 97 .. otherwise, its exact." |
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210 |
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12551 | 211 |
last := aString last codePoint. |
212 |
last > 96 ifTrue:[ |
|
13575 | 213 |
stop := stop - 3 + (last - 96) |
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214 |
]. |
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|
215 |
bytes := self new:stop. |
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|
216 |
|
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|
217 |
index := 1. dstIndex := 1. |
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|
218 |
[dstIndex <= stop] whileTrue:[ |
13575 | 219 |
"/ take 4 characters ... |
220 |
"/ allow a line break before each group of 4 |
|
221 |
sixBits := (aString at:index) codePoint. |
|
222 |
[sixBits < 32] whileTrue:[ |
|
223 |
index := index + 1. |
|
224 |
sixBits := (aString at:index) codePoint. |
|
225 |
]. |
|
226 |
sixBits := sixBits bitAnd:16r3F. |
|
227 |
n := sixBits. |
|
228 |
||
229 |
"/ self assert:(aString at:index+1) codePoint >= 32. |
|
230 |
sixBits := (aString at:index+1) codePoint bitAnd:16r3F. |
|
231 |
n := (n bitShift:6) + sixBits. |
|
232 |
||
233 |
"/ self assert:(aString at:index+2) codePoint >= 32. |
|
234 |
sixBits := (aString at:index+2) codePoint bitAnd:16r3F. |
|
235 |
n := (n bitShift:6) + sixBits. |
|
236 |
||
237 |
"/ self assert:(aString at:index+3) codePoint >= 32. |
|
238 |
sixBits := (aString at:index+3) codePoint bitAnd:16r3F. |
|
239 |
n := (n bitShift:6) + sixBits. |
|
240 |
||
241 |
index := index + 4. |
|
242 |
||
243 |
"/ now have 24 bits in n |
|
244 |
||
245 |
bytes at:dstIndex put:(n bitShift:-16). |
|
246 |
||
247 |
dstIndex < stop ifTrue:[ |
|
248 |
bytes at:dstIndex+1 put:((n bitShift:-8) bitAnd:16rFF). |
|
249 |
dstIndex+2 <= stop ifTrue:[ |
|
250 |
bytes at:dstIndex+2 put:(n bitAnd:16rFF). |
|
251 |
] |
|
252 |
]. |
|
253 |
dstIndex := dstIndex + 3. |
|
8995
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|
254 |
]. |
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|
255 |
^ bytes |
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|
256 |
|
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|
257 |
" |
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changeset
|
258 |
ByteArray fromPackedString:(#[1 1 1 1] asPackedString) |
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|
259 |
ByteArray fromPackedString:(#[1 1 1 1 1] asPackedString) |
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|
260 |
ByteArray fromPackedString:(#[1 1 1 1 1 1] asPackedString) |
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changeset
|
261 |
ByteArray fromPackedString:(#[1 1 1 1 1 1 1] asPackedString) |
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changeset
|
262 |
ByteArray fromPackedString:(#[1 1 1 1 1 1 1 1] asPackedString) |
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changeset
|
263 |
" |
ab9905b339bb
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parents:
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diff
changeset
|
264 |
|
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parents:
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changeset
|
265 |
"Modified: / 6.3.1997 / 15:28:52 / cg" |
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changeset
|
266 |
"Modified: / 18.12.1997 / 17:17:11 / stefan" |
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changeset
|
267 |
! |
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diff
changeset
|
268 |
|
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changeset
|
269 |
with:aByteArray from:start to:stop |
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parents:
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diff
changeset
|
270 |
"return new instance with a copy of aByteArray |
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changeset
|
271 |
beginning at index start up to and including index stop" |
ab9905b339bb
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parents:
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changeset
|
272 |
|
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changeset
|
273 |
|len bytes| |
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changeset
|
274 |
|
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changeset
|
275 |
len := stop-start+1. |
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changeset
|
276 |
bytes := self new:len. |
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changeset
|
277 |
bytes replaceBytesFrom:1 to:len with:aByteArray startingAt:start. |
ab9905b339bb
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|
278 |
^ bytes |
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changeset
|
279 |
|
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changeset
|
280 |
" |
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diff
changeset
|
281 |
String with:#[40 41 42 43 44 45 46 47 48 49 50] from:2 to:5 |
ab9905b339bb
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diff
changeset
|
282 |
" |
3363
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
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parents:
3323
diff
changeset
|
283 |
! ! |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
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parents:
3323
diff
changeset
|
284 |
|
1 | 285 |
!UninterpretedBytes class methodsFor:'queries'! |
286 |
||
8893 | 287 |
isAbstract |
11220 | 288 |
"Return if this class is an abstract class. |
289 |
True is returned for UninterpretedBytes here; false for subclasses. |
|
290 |
Abstract subclasses must redefine again." |
|
291 |
||
8893 | 292 |
^ self == UninterpretedBytes |
293 |
! |
|
294 |
||
1 | 295 |
isBigEndian |
77 | 296 |
"return true, if words/shorts store the most-significant |
13575 | 297 |
byte first (MSB), false if least-sign.-first (LSB). |
4019
c9284ca27a4a
tuned some doubleWordAt methods;
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parents:
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diff
changeset
|
298 |
I.e. false for vax, intel; true for m68k, sun. |
c9284ca27a4a
tuned some doubleWordAt methods;
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diff
changeset
|
299 |
|
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
300 |
Notice: UninterpretedBytes isBigEndian |
4308 | 301 |
this is inlined both by stc and the jit compiler" |
1 | 302 |
|
303 |
%{ /* NOCONTEXT */ |
|
304 |
||
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
305 |
#if defined(__MSBFIRST__) |
3936 | 306 |
RETURN (true); |
307 |
#else |
|
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
308 |
# if defined(__LSBFIRST__) |
4275 | 309 |
RETURN (false); |
310 |
# else |
|
1 | 311 |
/* |
312 |
* I dont like ifdefs - you always forget some ... |
|
3433 | 313 |
* therefore we look into a structure at run-time. |
314 |
* (also, there are CPUs around [mips], where the byteorder |
|
315 |
* is programmable, and which come in different flavours) |
|
316 |
* |
|
13575 | 317 |
* NOTICE: |
318 |
* both the JIT and stc may inline this to a |
|
3433 | 319 |
* constant for systems where this is known. |
1 | 320 |
*/ |
321 |
union { |
|
4308 | 322 |
unsigned int u_l; |
323 |
char u_c[sizeof(int)]; |
|
1 | 324 |
} u; |
325 |
||
326 |
u.u_l = 0x87654321; |
|
77 | 327 |
if (u.u_c[0] == 0x21) RETURN (false); |
328 |
RETURN (true); |
|
4275 | 329 |
# endif |
3936 | 330 |
#endif |
1 | 331 |
%} |
3433 | 332 |
" |
333 |
UninterpretedBytes isBigEndian |
|
334 |
" |
|
3209 | 335 |
! |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
336 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
337 |
isBuiltInClass |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
338 |
"return true if this class is known by the run-time-system. |
3323 | 339 |
Here, true is returned, since UninterpretedBytes is the superclass of |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
340 |
some builtIn classes (ByteArray & ExternalBytes)" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
341 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
342 |
^ self == UninterpretedBytes |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
343 |
|
3323 | 344 |
"Modified: / 23.4.1996 / 15:56:25 / cg" |
345 |
"Modified: / 5.3.1998 / 14:56:22 / stefan" |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
346 |
! ! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
347 |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
348 |
!UninterpretedBytes methodsFor:'Compatibility-Squeak'! |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
349 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
350 |
copyFromByteArray:aByteArray |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
351 |
"copy as much as possible from aByteArray" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
352 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
353 |
self replaceBytesFrom:1 to:(self size min:aByteArray size) with:aByteArray startingAt:1 |
15087 | 354 |
! |
355 |
||
356 |
signedLongAt:index |
|
357 |
"return the 4-bytes starting at index as a signed Integer. |
|
358 |
The index is a smalltalk index (i.e. 1-based). |
|
359 |
The value is retrieved in the machines natural byte order. |
|
360 |
This may be worth a primitive." |
|
361 |
||
362 |
^ self longAt:index |
|
363 |
||
364 |
" |
|
365 |
|b| |
|
366 |
b := ByteArray new:4. |
|
367 |
b unsignedLongAt:1 put:16rFFFFFFFF. |
|
368 |
b signedLongAt:1 |
|
369 |
" |
|
370 |
||
371 |
"Modified: 1.7.1996 / 21:14:38 / cg" |
|
372 |
! |
|
373 |
||
374 |
signedLongAt:index put:newValue |
|
375 |
"store a 4-bytes value starting at index. |
|
376 |
The index is a smalltalk index (i.e. 1-based). |
|
377 |
The value is in the machines natural byte order." |
|
378 |
||
379 |
^ self longAt:index put:newValue |
|
380 |
||
381 |
" |
|
382 |
|b| |
|
383 |
b := ByteArray new:4. |
|
384 |
b signedLongAt:1 put:-1. |
|
385 |
b unsignedLongAt:1 |
|
386 |
" |
|
387 |
||
388 |
"Modified: 1.7.1996 / 21:14:38 / cg" |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
389 |
! ! |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
390 |
|
9185 | 391 |
!UninterpretedBytes methodsFor:'Compatibility-V''Age'! |
392 |
||
393 |
uint32At:zeroBasedIndex |
|
394 |
"return the 4-bytes starting at index as (unsigned) Integer. |
|
395 |
The index is a C index (i.e. 0-based). |
|
396 |
The value is retrieved in the machines natural byte order. |
|
397 |
Similar to unsignedLongAt:, except for the index base" |
|
398 |
||
399 |
^ self unsignedLongAt:zeroBasedIndex+1 |
|
400 |
||
401 |
" |
|
402 |
|b| |
|
403 |
||
404 |
b := ByteArray withAll:#(0 0 0 0). |
|
405 |
b uint32At:0 put:16r12345678. |
|
406 |
b uint32At:0. |
|
407 |
b |
|
408 |
" |
|
409 |
! |
|
410 |
||
411 |
uint32At:zeroBasedIndex put:anInteger |
|
412 |
"set the 4-bytes starting at index to the value given by (unsigned) Integer. |
|
413 |
The index is a C index (i.e. 0-based). |
|
414 |
The value is stored in the machines natural byte order. |
|
415 |
Similar to unsignedLongAt:put:, except for the index base" |
|
416 |
||
417 |
^ self unsignedLongAt:zeroBasedIndex+1 put:anInteger |
|
418 |
||
419 |
" |
|
420 |
|b| |
|
421 |
||
422 |
b := ByteArray withAll:#(0 0 0 0). |
|
423 |
b uint32At:0 put:16r12345678. |
|
424 |
b |
|
425 |
" |
|
426 |
! ! |
|
427 |
||
3459 | 428 |
!UninterpretedBytes methodsFor:'accessing-bytes'! |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
429 |
|
4422 | 430 |
bcdByteAt:index |
13724 | 431 |
"return the bcd-value for a byte at index in the range 0..99. |
432 |
BCD treats nibbles (4-bit) as an encoded decimal number's digits |
|
433 |
(i.e. the value n is encoded as: ((n // 10) * 16) + (n \\ 10)" |
|
4422 | 434 |
|
4425 | 435 |
^ (self byteAt:index) decodeFromBCD |
4422 | 436 |
|
437 |
" |
|
15004 | 438 |
#[ 16r55 ] bcdByteAt:1 |
439 |
#[ 16r99] bcdByteAt:1 |
|
13575 | 440 |
#[ 16rAA] bcdByteAt:1 |
4422 | 441 |
" |
13724 | 442 |
|
443 |
"Modified (comment): / 26-09-2011 / 11:57:33 / cg" |
|
4422 | 444 |
! |
445 |
||
446 |
bcdByteAt:index put:aNumber |
|
13724 | 447 |
"set the byte at index as bcd-value in the range 0..99. |
448 |
BCD treats nibbles (4-bit) as an encoded decimal number's digits |
|
449 |
(i.e. the value n is encoded as: ((n // 10) * 16) + (n \\ 10)" |
|
4422 | 450 |
|
451 |
(aNumber between:0 and:99) ifFalse:[ |
|
15004 | 452 |
self error:'invalid value for BCD encoding' |
4422 | 453 |
]. |
4425 | 454 |
^ self byteAt:index put:aNumber encodeAsBCD |
4422 | 455 |
|
456 |
" |
|
13575 | 457 |
(((ByteArray new:1) bcdByteAt:1 put:55; yourself) at:1) hexPrintString |
458 |
(((ByteArray new:1) bcdByteAt:1 put:99; yourself) at:1) hexPrintString |
|
459 |
(((ByteArray new:1) bcdByteAt:1 put:100; yourself) at:1) hexPrintString |
|
460 |
(((ByteArray new:1) bcdByteAt:1 put:-1; yourself) at:1) hexPrintString |
|
4422 | 461 |
" |
13724 | 462 |
|
463 |
"Modified (comment): / 26-09-2011 / 11:57:36 / cg" |
|
4422 | 464 |
! |
465 |
||
3459 | 466 |
signedByteAt:index |
13724 | 467 |
"return the byte at index as a signed 8 bit value in the range -128..+127. |
3459 | 468 |
The index is a smalltalk index (i.e. 1-based). |
469 |
This may be worth a primitive." |
|
470 |
||
471 |
^ (self at:index) signExtendedByteValue |
|
472 |
||
473 |
" |
|
474 |
|b| |
|
475 |
b := ByteArray new:2. |
|
476 |
b at:1 put:16rFF. |
|
477 |
b at:2 put:16r7F. |
|
13575 | 478 |
b signedByteAt:1 |
3459 | 479 |
" |
480 |
||
13724 | 481 |
"Modified: / 01-07-1996 / 21:13:53 / cg" |
482 |
"Modified (comment): / 26-09-2011 / 11:57:14 / cg" |
|
3459 | 483 |
! |
484 |
||
485 |
signedByteAt:index put:aSignedByteValue |
|
13724 | 486 |
"return the byte at index as a signed 8 bit value in the range -128..+127. |
3459 | 487 |
The index is a smalltalk index (i.e. 1-based). |
488 |
Return the signedByteValue argument. |
|
489 |
This may be worth a primitive." |
|
490 |
||
491 |
|b "{ Class: SmallInteger }"| |
|
492 |
||
493 |
aSignedByteValue >= 0 ifTrue:[ |
|
15004 | 494 |
b := aSignedByteValue |
3459 | 495 |
] ifFalse:[ |
15004 | 496 |
b := 16r100 + aSignedByteValue |
3459 | 497 |
]. |
498 |
self at:index put:b. |
|
499 |
^ aSignedByteValue |
|
500 |
||
501 |
" |
|
502 |
|b| |
|
503 |
b := ByteArray new:2. |
|
504 |
b signedByteAt:1 put:-1. |
|
13575 | 505 |
b at:1 |
3459 | 506 |
" |
507 |
||
13724 | 508 |
"Modified: / 01-07-1996 / 21:12:37 / cg" |
509 |
"Modified (comment): / 26-09-2011 / 11:57:18 / cg" |
|
3459 | 510 |
! ! |
511 |
||
512 |
!UninterpretedBytes methodsFor:'accessing-floats & doubles'! |
|
513 |
||
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
514 |
doubleAt:index |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
515 |
"return the 8-bytes starting at index as a Float. |
3433 | 516 |
The index is a smalltalk index (i.e. 1-based). |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
517 |
Notice, that (currently) ST/X Floats are what Doubles are in ST-80. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
518 |
Notice also, that the bytes are expected to be in this machines |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
519 |
float representation - if the bytearray originated from another |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
520 |
machine, some conversion is usually needed." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
521 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
522 |
|newFloat| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
523 |
|
3433 | 524 |
%{ |
525 |
/* |
|
526 |
* handle the most common cases fast ... |
|
527 |
*/ |
|
528 |
if (__isSmallInteger(index)) { |
|
4308 | 529 |
unsigned char *cp; |
15004 | 530 |
INT sz; |
13575 | 531 |
|
3433 | 532 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
4308 | 533 |
if (cp) { |
3433 | 534 |
unsigned INT idx = ((unsigned INT)__intVal(index)) - 1; |
535 |
||
3434 | 536 |
if ((idx+(sizeof(double)-1)) < sz) { |
3433 | 537 |
cp += idx; |
538 |
/* |
|
539 |
* aligned |
|
540 |
*/ |
|
3434 | 541 |
if (((INT)cp & (sizeof(double)-1)) == 0) { |
3433 | 542 |
double dVal = ((double *)cp)[0]; |
3434 | 543 |
OBJ f; |
544 |
||
545 |
__qMKFLOAT(f, dVal); |
|
4308 | 546 |
RETURN (f); |
3433 | 547 |
} |
548 |
} |
|
549 |
} |
|
550 |
} |
|
551 |
%}. |
|
552 |
||
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
553 |
newFloat := Float basicNew. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
554 |
1 to:8 do:[:destIndex| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
555 |
newFloat basicAt:destIndex put:(self at:index - 1 + destIndex) |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
556 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
557 |
^ newFloat. |
3433 | 558 |
|
559 |
" |
|
560 |
|b| |
|
561 |
||
562 |
b := ByteArray new:20. |
|
563 |
b doubleAt:1 put:(Float pi). |
|
564 |
Transcript showCR:b. |
|
565 |
Transcript showCR:(b doubleAt:1) |
|
566 |
" |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
567 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
568 |
|
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
569 |
doubleAt:index MSB:msb |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
570 |
"return the 8-bytes starting at index as a Float. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
571 |
The index is a smalltalk index (i.e. 1-based). |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
572 |
Notice, that (currently) ST/X Floats are what Doubles are in ST-80. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
573 |
Notice also, that the bytes are expected to be in this machines |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
574 |
float representation - if the bytearray originated from another |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
575 |
machine, some conversion is usually needed." |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
576 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
577 |
|newFloat| |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
578 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
579 |
msb == UninterpretedBytes isBigEndian ifTrue:[ |
4308 | 580 |
^ self doubleAt:index. |
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
581 |
]. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
582 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
583 |
newFloat := Float basicNew. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
584 |
1 to:8 do:[:destIndex| |
4308 | 585 |
newFloat basicAt:(9-destIndex) put:(self at:index - 1 + destIndex) |
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
586 |
]. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
587 |
^ newFloat. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
588 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
589 |
"Created: / 15.5.1998 / 17:21:45 / cg" |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
590 |
! |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
591 |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
592 |
doubleAt:index put:aFloat |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
593 |
"store the value of the argument, aFloat into the receiver |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
594 |
starting at index. |
3433 | 595 |
The index is a smalltalk index (i.e. 1-based). |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
596 |
Notice, that (currently) ST/X Floats are what Doubles are in ST-80. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
597 |
Notice also, that the bytes are expected to be in this machines |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
598 |
float representation - if the bytearray originated from another |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
599 |
machine, some conversion is usually needed." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
600 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
601 |
|flt| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
602 |
|
3433 | 603 |
%{ |
604 |
/* |
|
605 |
* handle the most common cases fast ... |
|
606 |
*/ |
|
16320 | 607 |
if (__isSmallInteger(index)) { |
608 |
unsigned char *cp; |
|
609 |
INT sz; |
|
610 |
||
611 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
|
612 |
if (cp) { |
|
613 |
unsigned INT idx = ((unsigned INT)__intVal(index)) - 1; |
|
614 |
||
615 |
if ((idx+(sizeof(double)-1)) < sz) { |
|
616 |
cp += idx; |
|
617 |
/* |
|
618 |
* aligned |
|
619 |
*/ |
|
620 |
if (((INT)cp & (sizeof(double)-1)) == 0) { |
|
621 |
if (__isFloat(aFloat)) { |
|
622 |
((double *)cp)[0] = __floatVal(aFloat); |
|
623 |
RETURN (aFloat); |
|
624 |
} |
|
625 |
if (__isShortFloat(aFloat)) { |
|
626 |
((double *)cp)[0] = (double)(__shortFloatVal(aFloat)); |
|
627 |
RETURN (aFloat); |
|
628 |
} |
|
629 |
if (__isSmallInteger(aFloat)) { |
|
630 |
((double *)cp)[0] = (double)(__intVal(aFloat)); |
|
631 |
RETURN (aFloat); |
|
632 |
} |
|
633 |
} |
|
634 |
} |
|
635 |
} |
|
3433 | 636 |
} |
637 |
%}. |
|
638 |
||
16320 | 639 |
flt := aFloat asFloat. |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
640 |
1 to:8 do:[:srcIndex| |
16320 | 641 |
self at:index - 1 + srcIndex put:(flt basicAt:srcIndex) |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
642 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
643 |
^ aFloat |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
644 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
645 |
|
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
646 |
doubleAt:index put:aFloat MSB:msb |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
647 |
"store the value of the argument, aFloat into the receiver |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
648 |
starting at index. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
649 |
The index is a smalltalk index (i.e. 1-based). |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
650 |
Notice, that (currently) ST/X Floats are what Doubles are in ST-80. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
651 |
Notice also, that the bytes are expected to be in this machines |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
652 |
float representation - if the bytearray originated from another |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
653 |
machine, some conversion is usually needed." |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
654 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
655 |
|flt| |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
656 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
657 |
msb == UninterpretedBytes isBigEndian ifTrue:[ |
4308 | 658 |
^ self doubleAt:index put:aFloat. |
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
659 |
]. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
660 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
661 |
flt := aFloat asFloat. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
662 |
1 to:8 do:[:srcIndex| |
4308 | 663 |
self at:index - 1 + srcIndex put:(flt basicAt:(9-srcIndex)) |
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
664 |
]. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
665 |
^ aFloat |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
666 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
667 |
"Created: / 15.5.1998 / 17:22:27 / cg" |
3447 | 668 |
"Modified: / 15.5.1998 / 17:26:29 / cg" |
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
669 |
! |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
670 |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
671 |
floatAt:index |
3434 | 672 |
"return the 4-bytes starting at index as a ShortFloat. |
3433 | 673 |
The index is a smalltalk index (i.e. 1-based). |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
674 |
Notice, that (currently) ST/X Floats are what Doubles are in ST-80; |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
675 |
therefore this method reads a 4-byte float from the byteArray and returns |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
676 |
a float object which keeps an 8-byte double internally. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
677 |
Notice also, that the bytes are expected to be in this machines |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
678 |
float representation and order - if the bytearray originated from another |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
679 |
machine, some conversion is usually needed." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
680 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
681 |
|newFloat| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
682 |
|
3434 | 683 |
%{ |
684 |
/* |
|
685 |
* handle the most common cases fast ... |
|
686 |
*/ |
|
687 |
if (__isSmallInteger(index)) { |
|
4308 | 688 |
unsigned char *cp; |
15004 | 689 |
INT sz; |
3434 | 690 |
|
4308 | 691 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
692 |
if (cp) { |
|
693 |
unsigned INT idx = ((unsigned INT)__intVal(index)) - 1; |
|
3434 | 694 |
|
4308 | 695 |
if ((idx+(sizeof(float)-1)) < sz) { |
696 |
cp += idx; |
|
697 |
/* |
|
698 |
* aligned |
|
699 |
*/ |
|
700 |
if (((INT)cp & (sizeof(float)-1)) == 0) { |
|
701 |
float fVal = ((float *)cp)[0]; |
|
3434 | 702 |
OBJ f; |
703 |
||
704 |
__qMKSFLOAT(f, fVal); |
|
4308 | 705 |
RETURN (f); |
706 |
} |
|
707 |
} |
|
708 |
} |
|
3434 | 709 |
} |
710 |
%}. |
|
711 |
||
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
712 |
newFloat := ShortFloat basicNew. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
713 |
1 to:4 do:[:destIndex| |
4308 | 714 |
newFloat basicAt:destIndex put:(self at:index - 1 + destIndex) |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
715 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
716 |
^ newFloat. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
717 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
718 |
|
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
719 |
floatAt:index MSB:msb |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
720 |
"return the 4-bytes starting at index as a ShortFloat. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
721 |
The index is a smalltalk index (i.e. 1-based). |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
722 |
Notice, that (currently) ST/X Floats are what Doubles are in ST-80; |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
723 |
therefore this method reads a 4-byte float from the byteArray and returns |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
724 |
a float object which keeps an 8-byte double internally. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
725 |
Notice also, that the bytes are expected to be in this machines |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
726 |
float representation and order - if the bytearray originated from another |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
727 |
machine, some conversion is usually needed." |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
728 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
729 |
|newFloat| |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
730 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
731 |
msb == UninterpretedBytes isBigEndian ifTrue:[ |
4308 | 732 |
^ self floatAt:index |
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
733 |
]. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
734 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
735 |
newFloat := ShortFloat basicNew. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
736 |
1 to:4 do:[:destIndex| |
4308 | 737 |
newFloat basicAt:(5-destIndex) put:(self at:index - 1 + destIndex) |
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
738 |
]. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
739 |
^ newFloat. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
740 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
741 |
"Modified: / 15.5.1998 / 17:20:19 / cg" |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
742 |
"Created: / 15.5.1998 / 17:20:35 / cg" |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
743 |
! |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
744 |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
745 |
floatAt:index put:aFloat |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
746 |
"store the 4 bytes of value of the argument, aFloat into the receiver |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
747 |
starting at index. |
3433 | 748 |
The index is a smalltalk index (i.e. 1-based). |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
749 |
Notice, that (currently) ST/X Floats are what Doubles are in ST-80. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
750 |
Notice also, that the bytes are expected to be in this machines |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
751 |
float representation - if the bytearray originated from another |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
752 |
machine, some conversion is usually needed." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
753 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
754 |
|sflt| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
755 |
|
3434 | 756 |
%{ |
757 |
/* |
|
758 |
* handle the most common cases fast ... |
|
759 |
*/ |
|
16320 | 760 |
if (__isSmallInteger(index)) { |
761 |
unsigned char *cp; |
|
762 |
INT sz; |
|
763 |
||
764 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
|
765 |
if (cp) { |
|
766 |
unsigned INT idx = ((unsigned INT)__intVal(index)) - 1; |
|
767 |
||
768 |
if ((idx+(sizeof(float)-1)) < sz) { |
|
769 |
cp += idx; |
|
770 |
/* |
|
771 |
* aligned |
|
772 |
*/ |
|
773 |
if (((INT)cp & (sizeof(float)-1)) == 0) { |
|
774 |
if (__isShortFloat(aFloat)) { |
|
775 |
((float *)cp)[0] = __shortFloatVal(aFloat); |
|
776 |
RETURN (self); |
|
777 |
} |
|
778 |
if (__isFloat(aFloat)) { |
|
779 |
((float *)cp)[0] = (float)__floatVal(aFloat); |
|
780 |
RETURN (self); |
|
781 |
} |
|
782 |
if (__isSmallInteger(aFloat)) { |
|
783 |
((float *)cp)[0] = (float)__intVal(aFloat); |
|
784 |
RETURN (self); |
|
785 |
} |
|
786 |
// bail out to smalltalk code |
|
787 |
} |
|
788 |
} |
|
789 |
} |
|
3434 | 790 |
} |
791 |
%}. |
|
792 |
||
16320 | 793 |
sflt := aFloat asShortFloat. |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
794 |
1 to:4 do:[:srcIndex| |
16320 | 795 |
self at:index - 1 + srcIndex put:(sflt basicAt:srcIndex) |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
796 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
797 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
798 |
|
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
799 |
floatAt:index put:aFloat MSB:msb |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
800 |
"store the 4 bytes of value of the argument, aFloat into the receiver |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
801 |
starting at index. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
802 |
The index is a smalltalk index (i.e. 1-based). |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
803 |
Notice, that (currently) ST/X Floats are what Doubles are in ST-80. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
804 |
Notice also, that the bytes are expected to be in this machines |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
805 |
float representation - if the bytearray originated from another |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
806 |
machine, some conversion is usually needed." |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
807 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
808 |
|sflt| |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
809 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
810 |
msb == UninterpretedBytes isBigEndian ifTrue:[ |
16320 | 811 |
self floatAt:index put:aFloat. |
812 |
^ self. |
|
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
813 |
]. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
814 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
815 |
sflt := aFloat asShortFloat. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
816 |
1 to:4 do:[:srcIndex| |
16320 | 817 |
self at:index - 1 + srcIndex put:(sflt basicAt:(5-srcIndex)) |
3446
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
818 |
]. |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
819 |
|
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
820 |
"Created: / 15.5.1998 / 17:20:41 / cg" |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
821 |
! |
1a8c314b5d7d
added #floatAt:MSB: , #floatAt:put:MSB: , #doubleAt:MSB: and #doubleAt:put:MSB:
Claus Gittinger <cg@exept.de>
parents:
3444
diff
changeset
|
822 |
|
3323 | 823 |
ieeeDoubleAt:index |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
824 |
"retrieve the 8 bytes starting at index as a float. |
3433 | 825 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 826 |
The 8 bytes are assumed to be in IEEE floating point single precision |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
827 |
number format." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
828 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
829 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
830 |
currently, we assume that the machines native number format is already |
3323 | 831 |
IEEE format - we need some more code here whenever ST/X is ported |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
832 |
to an IBM 370 or old VAX etc. |
3323 | 833 |
To date, all supported systems use IEEE float numbers, so there should be |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
834 |
no problem. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
835 |
" |
9258 | 836 |
Float isIEEEFormat ifFalse:[self error:'unsupported operation']. |
3433 | 837 |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
838 |
^ self doubleAt:index |
3323 | 839 |
|
840 |
"Created: / 5.3.1998 / 10:50:03 / stefan" |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
841 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
842 |
|
3323 | 843 |
ieeeDoubleAt:index put:aFloat |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
844 |
"store the value of the argument, aFloat into the receiver |
3433 | 845 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 846 |
starting at index. Storage is in IEEE floating point double precision format. |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
847 |
(i.e. 8 bytes are stored)." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
848 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
849 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
850 |
currently, we assume that the machines native number format is already |
3323 | 851 |
IEEE format - we need some more code here whenever ST/X is ported |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
852 |
to an IBM 370 or old VAX etc. |
3323 | 853 |
To date, all supported systems use IEEE float numbers, so there should be |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
854 |
no problem. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
855 |
" |
9258 | 856 |
Float isIEEEFormat ifFalse:[self error:'unsupported operation']. |
3433 | 857 |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
858 |
^ self doubleAt:index put:aFloat |
3323 | 859 |
|
860 |
"Created: / 5.3.1998 / 10:50:26 / stefan" |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
861 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
862 |
|
3323 | 863 |
ieeeFloatAt:index |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
864 |
"retrieve the 4 bytes starting at index as a float. |
3433 | 865 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 866 |
The 4 bytes are assumed to be in IEEE floating point single precision |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
867 |
number format." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
868 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
869 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
870 |
currently, we assume that the machines native number format is already |
3323 | 871 |
IEEE format - we need some more code here whenever ST/X is ported |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
872 |
to an IBM 370 or old VAX etc. |
3323 | 873 |
To date, all supported systems use IEEE float numbers, so there should be |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
874 |
no problem. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
875 |
" |
9258 | 876 |
ShortFloat isIEEEFormat ifFalse:[self error:'unsupported operation']. |
3433 | 877 |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
878 |
^ self floatAt:index |
3323 | 879 |
|
880 |
"Created: / 5.3.1998 / 10:50:45 / stefan" |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
881 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
882 |
|
3323 | 883 |
ieeeFloatAt:index put:aFloat |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
884 |
"store the value of the argument, aFloat into the receiver |
13575 | 885 |
starting at index, which is a smalltalk index (i.e. 1-based). |
3433 | 886 |
Storage is in IEEE floating point single precision format. |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
887 |
(i.e. 4 bytes are stored). Since ST/X floats are really doubles, the low- |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
888 |
order 4 bytes of the precision is lost." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
889 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
890 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
891 |
currently, we assume that the machines native number format is already |
3323 | 892 |
IEEE format - we need some more code here whenever ST/X is ported |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
893 |
to an IBM 370 or old VAX etc. |
3323 | 894 |
To date, all supported systems use IEEE float numbers, so there should be |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
895 |
no problem. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
896 |
" |
9258 | 897 |
ShortFloat isIEEEFormat ifFalse:[self error:'unsupported operation']. |
3433 | 898 |
|
16320 | 899 |
self floatAt:index put:aFloat |
3323 | 900 |
|
901 |
"Created: / 5.3.1998 / 10:51:11 / stefan" |
|
3459 | 902 |
! ! |
903 |
||
13724 | 904 |
!UninterpretedBytes methodsFor:'accessing-longlongs (64bit)'! |
3459 | 905 |
|
906 |
longLongAt:index |
|
907 |
"return the 8-bytes starting at index as a signed Integer. |
|
908 |
The index is a smalltalk index (i.e. 1-based). |
|
909 |
The value is retrieved in the machines natural byte order. |
|
910 |
This may be worth a primitive." |
|
911 |
||
912 |
|w| |
|
913 |
||
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
914 |
w := self unsignedLongLongAt:index bigEndian:(UninterpretedBytes isBigEndian). |
3459 | 915 |
(w > (16r7FFFFFFFFFFFFFFF)) ifTrue:[ |
4308 | 916 |
^ w - (16r10000000000000000) |
3459 | 917 |
]. |
918 |
^ w |
|
919 |
||
920 |
" |
|
921 |
|b| |
|
922 |
b := ByteArray new:4. |
|
923 |
b unsignedLongLongAt:1 put:16rFFFFFFFFFFFFFFFF. |
|
13575 | 924 |
(b longLongAt:1) |
3459 | 925 |
" |
926 |
||
927 |
"Modified: / 1.7.1996 / 21:11:28 / cg" |
|
928 |
"Created: / 5.3.1998 / 14:40:05 / stefan" |
|
929 |
"Modified: / 5.3.1998 / 14:58:32 / stefan" |
|
930 |
! |
|
931 |
||
932 |
longLongAt:index bigEndian:msb |
|
933 |
"return the 8-bytes starting at index as a signed Integer. |
|
934 |
The index is a smalltalk index (i.e. 1-based). |
|
935 |
The value is retrieved in the given byte order. |
|
936 |
This may be worth a primitive." |
|
937 |
||
938 |
|w| |
|
939 |
||
940 |
w := self unsignedLongLongAt:index bigEndian:msb. |
|
941 |
(w > (16r7FFFFFFFFFFFFFFF)) ifTrue:[ |
|
4308 | 942 |
^ w - (16r10000000000000000) |
3459 | 943 |
]. |
944 |
^ w |
|
945 |
||
946 |
" |
|
947 |
|b| |
|
948 |
b := ByteArray new:4. |
|
949 |
b unsignedLongLongAt:1 put:16rFFFFFFFFFFFFFFFF. |
|
13575 | 950 |
(b longLongAt:1 msb:true) |
3459 | 951 |
" |
952 |
||
953 |
"Modified: / 5.3.1998 / 12:06:28 / stefan" |
|
954 |
"Created: / 5.3.1998 / 14:40:54 / stefan" |
|
955 |
"Modified: / 9.5.1998 / 01:10:59 / cg" |
|
956 |
! |
|
957 |
||
958 |
longLongAt:byteIndex put:anInteger |
|
959 |
"store a signed longLong (64bit) integer. |
|
960 |
The index is a smalltalk index (i.e. 1-based). |
|
961 |
Same as #signedQuadWordAt:put: - for ST80 compatibility." |
|
962 |
||
7813 | 963 |
|v| |
3459 | 964 |
|
7813 | 965 |
v := anInteger. |
966 |
anInteger < 0 ifTrue:[ |
|
13575 | 967 |
v := v + 16r10000000000000000 |
7813 | 968 |
]. |
969 |
^ self unsignedLongLongAt:byteIndex put:v |
|
3459 | 970 |
! |
971 |
||
972 |
longLongAt:byteIndex put:anInteger bigEndian:msb |
|
973 |
"store a signed longLong (64bit) integer. |
|
974 |
The index is a smalltalk index (i.e. 1-based). |
|
975 |
Same as #signedQuadWordAt:put: - for ST80 compatibility." |
|
976 |
||
977 |
|v| |
|
978 |
||
979 |
v := anInteger. |
|
980 |
anInteger < 0 ifTrue:[ |
|
4308 | 981 |
v := v + 16r10000000000000000 |
3459 | 982 |
]. |
983 |
^ self unsignedLongLongAt:byteIndex put:v bigEndian:msb |
|
984 |
||
985 |
"Created: / 9.5.1998 / 01:10:24 / cg" |
|
986 |
"Modified: / 9.5.1998 / 01:13:34 / cg" |
|
987 |
! |
|
988 |
||
989 |
quadWordAt:index MSB:msb |
|
990 |
"return the 8-bytes starting at index as an (unsigned) Integer. |
|
991 |
The index is a smalltalk index (i.e. 1-based). |
|
992 |
Depending on msb, the value is retrieved MSB or LSB-first." |
|
993 |
||
13575 | 994 |
|l |
3459 | 995 |
bIdx "{ Class: SmallInteger }" |
996 |
delta "{ Class: SmallInteger }"| |
|
997 |
||
998 |
l := LargeInteger basicNew numberOfDigits:8. |
|
999 |
msb ifTrue:[ |
|
4308 | 1000 |
bIdx := index + 7. |
1001 |
delta := -1 |
|
3459 | 1002 |
] ifFalse:[ |
4308 | 1003 |
bIdx := index. |
1004 |
delta := 1 |
|
3459 | 1005 |
]. |
1006 |
1 to:8 do:[:i | |
|
4308 | 1007 |
l digitAt:i put:(self basicAt:bIdx). |
1008 |
bIdx := bIdx + delta |
|
3459 | 1009 |
]. |
1010 |
^ l compressed |
|
1011 |
||
1012 |
" |
|
1013 |
|b| |
|
1014 |
||
1015 |
b := ByteArray withAll:#(1 2 3 4 5 6 7 8). |
|
13575 | 1016 |
(b quadWordAt:1 MSB:false) printStringRadix:16 |
3459 | 1017 |
" |
1018 |
||
1019 |
"Modified: 5.11.1996 / 14:06:21 / cg" |
|
1020 |
! |
|
1021 |
||
1022 |
quadWordAt:index put:anInteger MSB:msb |
|
1023 |
"set the 8-bytes starting at index from the (unsigned) Integer value. |
|
1024 |
The index is a smalltalk index (i.e. 1-based). |
|
1025 |
The value must be in the range 0 to 16rFFFFFFFFFFFFFFFF. |
|
1026 |
Depending on msb, the value is stored MSB-first or LSB-first." |
|
1027 |
||
1028 |
|bIdx "{ Class: SmallInteger }" |
|
1029 |
delta "{ Class: SmallInteger }"| |
|
1030 |
||
1031 |
((anInteger < 0) or:[anInteger > 16rFFFFFFFFFFFFFFFF]) ifTrue:[ |
|
13575 | 1032 |
^ self elementBoundsError:anInteger |
3459 | 1033 |
]. |
1034 |
||
1035 |
msb ifTrue:[ |
|
13575 | 1036 |
bIdx := index + 7. |
1037 |
delta := -1 |
|
3459 | 1038 |
] ifFalse:[ |
13575 | 1039 |
bIdx := index. |
1040 |
delta := 1 |
|
3459 | 1041 |
]. |
1042 |
1 to:8 do:[:i | |
|
13575 | 1043 |
self basicAt:bIdx put:(anInteger digitAt:i). |
1044 |
bIdx := bIdx + delta. |
|
3459 | 1045 |
]. |
1046 |
^ anInteger |
|
1047 |
||
1048 |
" |
|
1049 |
|b| |
|
1050 |
b := ByteArray new:8. |
|
1051 |
b quadWordAtIndex:1 put:16r0807060504030201 MSB:false. |
|
1052 |
b inspect |
|
1053 |
" |
|
1054 |
! |
|
1055 |
||
1056 |
unsignedLongLongAt:index bigEndian:msb |
|
1057 |
"return the 8-bytes starting at index as an (unsigned) Integer. |
|
1058 |
The index is a smalltalk index (i.e. 1-based). |
|
1059 |
Depending on msb, the value is retrieved MSB or LSB-first." |
|
1060 |
||
13575 | 1061 |
|l |
3459 | 1062 |
bIdx "{ Class: SmallInteger }" |
1063 |
delta "{ Class: SmallInteger }"| |
|
1064 |
||
1065 |
l := LargeInteger basicNew numberOfDigits:8. |
|
1066 |
msb ifTrue:[ |
|
4308 | 1067 |
bIdx := index + 7. |
1068 |
delta := -1 |
|
3459 | 1069 |
] ifFalse:[ |
4308 | 1070 |
bIdx := index. |
1071 |
delta := 1 |
|
3459 | 1072 |
]. |
1073 |
1 to:8 do:[:i | |
|
4308 | 1074 |
l digitAt:i put:(self basicAt:bIdx). |
1075 |
bIdx := bIdx + delta |
|
3459 | 1076 |
]. |
1077 |
^ l compressed |
|
1078 |
||
1079 |
" |
|
1080 |
|b| |
|
1081 |
||
1082 |
b := ByteArray withAll:#(1 2 3 4 5 6 7 8). |
|
13575 | 1083 |
(b unsignedLongLongAt:1 bigEndian:false) printStringRadix:16 |
3459 | 1084 |
" |
1085 |
||
1086 |
"Modified: / 5.11.1996 / 14:06:21 / cg" |
|
1087 |
"Modified: / 5.3.1998 / 14:04:44 / stefan" |
|
1088 |
! |
|
1089 |
||
1090 |
unsignedLongLongAt:index put:anInteger |
|
1091 |
"set the 8-bytes starting at index from the (unsigned) Integer value. |
|
1092 |
The index is a smalltalk index (i.e. 1-based). |
|
1093 |
The value must be in the range 0 to 16rFFFFFFFFFFFFFFFF. |
|
1094 |
The value is stored in natural byte order." |
|
1095 |
||
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1096 |
^ self unsignedLongLongAt:index put:anInteger bigEndian:(UninterpretedBytes isBigEndian) |
3459 | 1097 |
|
1098 |
"Created: / 5.3.1998 / 14:44:00 / stefan" |
|
1099 |
"Modified: / 5.3.1998 / 15:02:32 / stefan" |
|
1100 |
! |
|
1101 |
||
1102 |
unsignedLongLongAt:index put:anInteger bigEndian:msb |
|
1103 |
"set the 8-bytes starting at index from the (unsigned) Integer value. |
|
1104 |
The index is a smalltalk index (i.e. 1-based). |
|
1105 |
The value must be in the range 0 to 16rFFFFFFFFFFFFFFFF. |
|
1106 |
Depending on msb, the value is stored MSB-first or LSB-first." |
|
1107 |
||
1108 |
|bIdx "{ Class: SmallInteger }" |
|
1109 |
delta "{ Class: SmallInteger }"| |
|
1110 |
||
1111 |
((anInteger < 0) or:[anInteger > 16rFFFFFFFFFFFFFFFF]) ifTrue:[ |
|
13575 | 1112 |
^ self elementBoundsError:anInteger |
3459 | 1113 |
]. |
1114 |
||
1115 |
msb ifTrue:[ |
|
13575 | 1116 |
bIdx := index + 7. |
1117 |
delta := -1 |
|
3459 | 1118 |
] ifFalse:[ |
13575 | 1119 |
bIdx := index. |
1120 |
delta := 1 |
|
3459 | 1121 |
]. |
1122 |
1 to:8 do:[:i | |
|
13575 | 1123 |
self basicAt:bIdx put:(anInteger digitAt:i). |
1124 |
bIdx := bIdx + delta. |
|
3459 | 1125 |
]. |
1126 |
^ anInteger |
|
1127 |
||
1128 |
" |
|
1129 |
|b| |
|
1130 |
b := ByteArray new:8. |
|
1131 |
b unsignedLongLongAt:1 put:16r0807060504030201 bigEndian:false. |
|
1132 |
b inspect |
|
1133 |
" |
|
1134 |
||
1135 |
"Created: / 5.3.1998 / 14:06:02 / stefan" |
|
1136 |
! ! |
|
1137 |
||
13724 | 1138 |
!UninterpretedBytes methodsFor:'accessing-longs (32bit)'! |
3459 | 1139 |
|
1140 |
doubleWordAt:index |
|
1141 |
"return the 4-bytes starting at index as an (unsigned) Integer. |
|
1142 |
The index is a smalltalk index (i.e. 1-based). |
|
4515 | 1143 |
The value is retrieved in the machines natural byte order." |
3459 | 1144 |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1145 |
^ self doubleWordAt:index MSB:(UninterpretedBytes isBigEndian) |
3459 | 1146 |
|
1147 |
" |
|
1148 |
|b| |
|
1149 |
||
1150 |
b := ByteArray withAll:#(1 2 3 4). |
|
13575 | 1151 |
(b doubleWordAt:1) printStringRadix:16 |
3459 | 1152 |
" |
1153 |
||
1154 |
"Modified: / 5.3.1998 / 14:57:35 / stefan" |
|
1155 |
! |
|
1156 |
||
1157 |
doubleWordAt:index MSB:msb |
|
1158 |
"return the 4-bytes starting at index as an (unsigned) Integer. |
|
1159 |
The index is a smalltalk index (i.e. 1-based). |
|
1160 |
The value is retrieved MSB-first, if the msb-arg is true; |
|
4515 | 1161 |
LSB-first otherwise." |
3459 | 1162 |
|
13575 | 1163 |
|val |
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1164 |
ival "{ Class: SmallInteger }" |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1165 |
t "{ Class: SmallInteger }" |
3459 | 1166 |
i "{ Class: SmallInteger }" |
1167 |
b1 "{ Class: SmallInteger }" |
|
1168 |
b2 "{ Class: SmallInteger }" |
|
1169 |
b3 "{ Class: SmallInteger }" |
|
1170 |
b4 "{ Class: SmallInteger }"| |
|
1171 |
||
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1172 |
%{ |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1173 |
/* |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1174 |
* handle the most common cases fast ... |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1175 |
*/ |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1176 |
if (__isSmallInteger(index)) { |
13575 | 1177 |
unsigned char *cp; |
15004 | 1178 |
INT sz; |
13575 | 1179 |
|
1180 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
|
1181 |
if (cp) { |
|
1182 |
unsigned INT idx = ((unsigned INT)__intVal(index)) - 1; |
|
1183 |
unsigned int iVal; |
|
1184 |
||
1185 |
if ((idx+(sizeof(int)-1)) < sz) { |
|
1186 |
cp += idx; |
|
1187 |
||
1188 |
if (msb == true) { |
|
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
1189 |
#if defined(__MSBFIRST__) |
13575 | 1190 |
if (((INT)cp & (sizeof(int)-1))== 0) { |
1191 |
/* |
|
1192 |
* aligned |
|
1193 |
*/ |
|
1194 |
iVal = ((unsigned int *)cp)[0]; |
|
1195 |
} else |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1196 |
#endif |
13575 | 1197 |
{ |
1198 |
iVal = cp[0]; |
|
1199 |
iVal = (iVal << 8) | cp[1]; |
|
1200 |
iVal = (iVal << 8) | cp[2]; |
|
1201 |
iVal = (iVal << 8) | cp[3]; |
|
1202 |
} |
|
1203 |
} else { |
|
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
1204 |
#if defined(__i386__) || (defined(UNALIGNED_FETCH_OK) && defined(__LSBFIRST__)) |
13575 | 1205 |
/* |
1206 |
* aligned or not - we dont care |
|
1207 |
* (i386 can fetch unaligned) |
|
1208 |
*/ |
|
1209 |
iVal = ((unsigned int *)cp)[0]; |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1210 |
#else |
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
1211 |
# if defined(__LSBFIRST__) |
13575 | 1212 |
if (((INT)cp & (sizeof(int)-1))== 0) { |
1213 |
/* |
|
1214 |
* aligned |
|
1215 |
*/ |
|
1216 |
iVal = ((unsigned int *)cp)[0]; |
|
1217 |
} else |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1218 |
# endif |
13575 | 1219 |
{ |
1220 |
iVal = cp[3]; |
|
1221 |
iVal = (iVal << 8) | cp[2]; |
|
1222 |
iVal = (iVal << 8) | cp[1]; |
|
1223 |
iVal = (iVal << 8) | cp[0]; |
|
1224 |
} |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1225 |
#endif |
13575 | 1226 |
} |
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
1227 |
#if __POINTER_SIZE__ == 8 |
13575 | 1228 |
RETURN (__mkSmallInteger(iVal)); |
4312
63eb0ccfd909
no need to call MKINT / MKUINT for 4-byte ints on alpha64
Claus Gittinger <cg@exept.de>
parents:
4308
diff
changeset
|
1229 |
#else |
13575 | 1230 |
RETURN (__MKUINT(iVal)); |
4312
63eb0ccfd909
no need to call MKINT / MKUINT for 4-byte ints on alpha64
Claus Gittinger <cg@exept.de>
parents:
4308
diff
changeset
|
1231 |
#endif |
13575 | 1232 |
} |
1233 |
} |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1234 |
} |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1235 |
%}. |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1236 |
|
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1237 |
"/ fallBack code - non ByteArray-like receiver |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1238 |
"/ or funny index |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1239 |
|
3459 | 1240 |
i := index. |
1241 |
b1 := self at:i. |
|
1242 |
b2 := self at:(i+1). |
|
1243 |
b3 := self at:(i+2). |
|
1244 |
b4 := self at:(i+3). |
|
1245 |
||
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1246 |
msb ifFalse:[ |
13575 | 1247 |
t := b4. b4 := b1. b1 := t. |
1248 |
t := b3. b3 := b2. b2 := t. |
|
3459 | 1249 |
]. |
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1250 |
ival := b1. |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1251 |
ival := (ival bitShift:8) + b2. |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1252 |
ival := (ival bitShift:8) + b3. |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1253 |
val := (ival bitShift:8) + b4. |
3459 | 1254 |
^ val |
1255 |
||
1256 |
" |
|
1257 |
|b| |
|
1258 |
||
1259 |
b := ByteArray withAll:#(1 2 3 4). |
|
13575 | 1260 |
(b doubleWordAt:1 MSB:true) printStringRadix:16. |
1261 |
(b doubleWordAt:1 MSB:false) printStringRadix:16 |
|
3459 | 1262 |
" |
1263 |
||
1264 |
! |
|
1265 |
||
1266 |
doubleWordAt:index put:value |
|
1267 |
"set the 4-bytes starting at index from the (unsigned) Integer value. |
|
1268 |
The index is a smalltalk index (i.e. 1-based). |
|
1269 |
The value should be in the range 0 to 16rFFFFFFFF |
|
1270 |
(for negative values, the stored value is not defined). |
|
4515 | 1271 |
The value is stored in the machines natural byte order." |
3459 | 1272 |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1273 |
^ self doubleWordAt:index put:value MSB:(UninterpretedBytes isBigEndian) |
3459 | 1274 |
|
1275 |
" |
|
1276 |
|b| |
|
1277 |
b := ByteArray new:4. |
|
1278 |
b doubleWordAt:1 put:16r04030201. |
|
1279 |
b inspect |
|
1280 |
" |
|
1281 |
||
1282 |
"Modified: / 5.3.1998 / 14:57:48 / stefan" |
|
1283 |
! |
|
1284 |
||
1285 |
doubleWordAt:index put:aNumber MSB:msb |
|
1286 |
"set the 4-bytes starting at index from the (unsigned) Integer value. |
|
1287 |
The index is a smalltalk index (i.e. 1-based). |
|
1288 |
The value must be in the range 0 to 16rFFFFFFFF. |
|
4515 | 1289 |
The value is stored MSB-first if msb is true; LSB-first otherwise." |
3459 | 1290 |
|
1291 |
|i "{ Class: SmallInteger }" | |
|
1292 |
||
1293 |
((aNumber < 0) or:[aNumber > 16rFFFFFFFF]) ifTrue:[ |
|
13575 | 1294 |
^ self elementBoundsError:aNumber |
3459 | 1295 |
]. |
1296 |
||
1297 |
i := index. |
|
1298 |
msb ifTrue:[ |
|
13575 | 1299 |
self at:i put:(aNumber digitAt:4). |
1300 |
self at:(i+1) put:(aNumber digitAt:3). |
|
1301 |
self at:(i+2) put:(aNumber digitAt:2). |
|
1302 |
self at:(i+3) put:(aNumber digitAt:1). |
|
3459 | 1303 |
] ifFalse:[ |
13575 | 1304 |
self at:i put:(aNumber digitAt:1). |
1305 |
self at:(i+1) put:(aNumber digitAt:2). |
|
1306 |
self at:(i+2) put:(aNumber digitAt:3). |
|
1307 |
self at:(i+3) put:(aNumber digitAt:4). |
|
3459 | 1308 |
]. |
1309 |
^ aNumber |
|
1310 |
||
1311 |
" |
|
1312 |
|b| |
|
1313 |
b := ByteArray new:8. |
|
1314 |
b doubleWordAt:1 put:16r04030201 MSB:true. |
|
1315 |
b doubleWordAt:5 put:16r04030201 MSB:false. |
|
1316 |
b inspect |
|
1317 |
" |
|
1318 |
||
1319 |
"Modified: / 21.1.1998 / 17:43:34 / cg" |
|
1320 |
"Modified: / 5.3.1998 / 11:42:17 / stefan" |
|
1321 |
! |
|
1322 |
||
1323 |
doubleWordAtDoubleWordIndex:index |
|
13575 | 1324 |
"return the unsigned long at index, anInteger. |
3459 | 1325 |
Fetching in the machines natural byte order. |
1326 |
Indices are 1-based and scaled as appropriate to allow |
|
1327 |
accessing the memory as an array of doubleWord entries. |
|
1328 |
(i.e. indices are 1, 2, ...)" |
|
1329 |
||
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1330 |
^ self doubleWordAtDoubleWordIndex:index MSB:(UninterpretedBytes isBigEndian) |
3459 | 1331 |
|
1332 |
"Created: / 21.1.1998 / 17:43:53 / cg" |
|
1333 |
"Modified: / 5.3.1998 / 14:58:06 / stefan" |
|
1334 |
! |
|
1335 |
||
1336 |
doubleWordAtDoubleWordIndex:index MSB:msb |
|
13575 | 1337 |
"return the unsigned long at index, anInteger. |
3459 | 1338 |
Fetching is MSB if msb is true, LSB otherwise. |
1339 |
Indices are 1-based and scaled as appropriate to allow |
|
1340 |
accessing the memory as an array of doubleWord entries. |
|
1341 |
(i.e. indices are 1, 2, ...)" |
|
1342 |
||
1343 |
^ self doubleWordAt:(index - 1 * 4 + 1) MSB:msb |
|
1344 |
||
1345 |
"Created: / 21.1.1998 / 17:44:07 / cg" |
|
1346 |
! |
|
1347 |
||
1348 |
doubleWordAtDoubleWordIndex:index put:value |
|
13575 | 1349 |
"set the long at index, anInteger. |
3459 | 1350 |
Storing in the machines natural byte order. |
1351 |
Indices are 1-based and scaled as appropriate to allow |
|
1352 |
accessing the memory as an array of doubleWord entries. |
|
1353 |
(i.e. indices are 1, 2, ...)" |
|
1354 |
||
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1355 |
^ self doubleWordAtDoubleWordIndex:index put:value MSB:(UninterpretedBytes isBigEndian) |
3459 | 1356 |
|
1357 |
"Created: / 21.1.1998 / 17:44:13 / cg" |
|
1358 |
"Modified: / 5.3.1998 / 14:58:19 / stefan" |
|
1359 |
! |
|
1360 |
||
1361 |
doubleWordAtDoubleWordIndex:index put:value MSB:msb |
|
13575 | 1362 |
"set the long at index, anInteger. |
3459 | 1363 |
Storing is MSB if msb is true, LSB otherwise. |
1364 |
Indices are 1-based and scaled as appropriate to allow |
|
1365 |
accessing the memory as an array of doubleWord entries. |
|
1366 |
(i.e. indices are 1, 2, ...)" |
|
1367 |
||
1368 |
^ self doubleWordAt:(index - 1 * 4 + 1) put:value MSB:msb |
|
1369 |
||
1370 |
"Created: / 21.1.1998 / 17:44:19 / cg" |
|
3323 | 1371 |
! |
1372 |
||
1373 |
longAt:index |
|
1374 |
"return the 4-bytes starting at index as a signed Integer. |
|
3433 | 1375 |
The index is a smalltalk index (i.e. 1-based). |
4308 | 1376 |
The value is retrieved in the machines natural byte order, |
1377 |
therefore, this should only be used for byte-data which is |
|
1378 |
only used inside this machine. |
|
1379 |
To setup data packets which are to be sent to other machines, |
|
1380 |
or stored into a file, always use longAt:MSB: and specify |
|
1381 |
a definite byteOrder." |
|
3323 | 1382 |
|
1383 |
|w| |
|
1384 |
||
3434 | 1385 |
%{ |
1386 |
/* |
|
1387 |
* handle the most common cases fast ... |
|
1388 |
*/ |
|
1389 |
if (__isSmallInteger(index)) { |
|
4308 | 1390 |
unsigned char *cp; |
15004 | 1391 |
INT sz; |
3434 | 1392 |
|
4308 | 1393 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
1394 |
if (cp) { |
|
1395 |
unsigned INT idx = ((unsigned INT)__intVal(index)) - 1; |
|
3434 | 1396 |
|
4308 | 1397 |
if ((idx+(sizeof(int)-1)) < sz) { |
1398 |
cp += idx; |
|
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
1399 |
#if defined(__i386__) |
4308 | 1400 |
/* |
1401 |
* aligned or not, we dont care (i386 can do both) |
|
1402 |
*/ |
|
1403 |
{ |
|
1404 |
int iVal = ((int *)cp)[0]; |
|
3434 | 1405 |
|
4308 | 1406 |
RETURN (__MKINT(iVal)); |
1407 |
} |
|
1408 |
#else |
|
1409 |
/* |
|
1410 |
* aligned |
|
1411 |
*/ |
|
1412 |
if (((INT)cp & (sizeof(int)-1)) == 0) { |
|
4312
63eb0ccfd909
no need to call MKINT / MKUINT for 4-byte ints on alpha64
Claus Gittinger <cg@exept.de>
parents:
4308
diff
changeset
|
1413 |
int iVal = ((int *)cp)[0]; |
4308 | 1414 |
|
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
1415 |
# if __POINTER_SIZE__ == 8 |
8913 | 1416 |
RETURN (__mkSmallInteger(iVal)); |
4312
63eb0ccfd909
no need to call MKINT / MKUINT for 4-byte ints on alpha64
Claus Gittinger <cg@exept.de>
parents:
4308
diff
changeset
|
1417 |
# else |
4308 | 1418 |
RETURN (__MKINT(iVal)); |
4312
63eb0ccfd909
no need to call MKINT / MKUINT for 4-byte ints on alpha64
Claus Gittinger <cg@exept.de>
parents:
4308
diff
changeset
|
1419 |
# endif |
4308 | 1420 |
} |
1421 |
#endif |
|
1422 |
} |
|
1423 |
} |
|
3434 | 1424 |
} |
1425 |
%}. |
|
1426 |
||
3323 | 1427 |
w := self unsignedLongAt:index. |
1428 |
(w > (16r7FFFFFFF)) ifTrue:[ |
|
4308 | 1429 |
^ w - (16r100000000) |
3323 | 1430 |
]. |
1431 |
^ w |
|
1432 |
||
1433 |
" |
|
1434 |
|b| |
|
1435 |
b := ByteArray new:4. |
|
1436 |
b unsignedLongAt:1 put:16rFFFFFFFF. |
|
13575 | 1437 |
(b longAt:1) |
3323 | 1438 |
" |
1439 |
||
1440 |
"Modified: / 1.7.1996 / 21:11:28 / cg" |
|
1441 |
"Modified: / 5.3.1998 / 12:06:28 / stefan" |
|
1442 |
! |
|
1443 |
||
1444 |
longAt:index bigEndian:msb |
|
1445 |
"return the 4-bytes starting at index as a signed Integer. |
|
3433 | 1446 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 1447 |
Depending on msb, the value is retrieved MSB-first or LSB-first. |
1448 |
This may be worth a primitive." |
|
1449 |
||
1450 |
|w| |
|
1451 |
||
1452 |
w := self unsignedLongAt:index bigEndian:msb. |
|
1453 |
(w > (16r7FFFFFFF)) ifTrue:[ |
|
4308 | 1454 |
^ w - (16r100000000) |
3323 | 1455 |
]. |
1456 |
^ w |
|
1457 |
||
1458 |
" |
|
1459 |
|b| |
|
1460 |
b := ByteArray new:4. |
|
1461 |
b unsignedLongAt:1 put:16rFFFFFFFF. |
|
13575 | 1462 |
(b longAt:1) |
3323 | 1463 |
" |
1464 |
||
1465 |
"Modified: / 1.7.1996 / 21:11:33 / cg" |
|
1466 |
"Created: / 5.3.1998 / 14:02:03 / stefan" |
|
1467 |
! |
|
1468 |
||
1469 |
longAt:index put:value |
|
1470 |
"set the 4-bytes starting at index from the signed Integer value. |
|
3433 | 1471 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 1472 |
The value is stored in the machines natural byte order. |
1473 |
This may be worth a primitive. |
|
1474 |
||
1475 |
This is the ST80 version of #signedDoubleWordAt:put:" |
|
1476 |
||
1477 |
|v| |
|
1478 |
||
3434 | 1479 |
%{ |
1480 |
/* |
|
1481 |
* handle the most common cases fast ... |
|
1482 |
*/ |
|
1483 |
if (__isSmallInteger(index)) { |
|
4308 | 1484 |
unsigned char *cp; |
15004 | 1485 |
INT sz; |
3434 | 1486 |
|
4308 | 1487 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
1488 |
if (cp) { |
|
1489 |
unsigned INT idx = ((unsigned INT)__intVal(index)) - 1; |
|
3434 | 1490 |
|
4308 | 1491 |
if ((idx+(sizeof(int)-1)) < sz) { |
1492 |
cp += idx; |
|
1493 |
/* |
|
1494 |
* aligned |
|
1495 |
*/ |
|
1496 |
if (((INT)cp & (sizeof(int)-1)) == 0) { |
|
3434 | 1497 |
int __v; |
1498 |
||
4308 | 1499 |
if (__isSmallInteger(value)) { |
1500 |
((int *)cp)[0] = __intVal(value); |
|
1501 |
RETURN (value); |
|
3434 | 1502 |
} |
1503 |
if (__v = __signedLongIntVal(value)) { |
|
1504 |
((int *)cp)[0] = __v; |
|
1505 |
RETURN (value); |
|
1506 |
} |
|
4308 | 1507 |
} |
1508 |
} |
|
1509 |
} |
|
3434 | 1510 |
} |
1511 |
%}. |
|
1512 |
||
3323 | 1513 |
value >= 0 ifTrue:[ |
4308 | 1514 |
v := value |
3323 | 1515 |
] ifFalse:[ |
4308 | 1516 |
v := value + 16r100000000 |
3323 | 1517 |
]. |
1518 |
self unsignedLongAt:index put:v. |
|
1519 |
^ value |
|
1520 |
||
1521 |
" |
|
1522 |
|b| |
|
1523 |
b := ByteArray new:4. |
|
1524 |
b longAt:1 put:-1. |
|
13575 | 1525 |
(b unsignedLongAt:1) printStringRadix:16 |
3323 | 1526 |
" |
1527 |
||
1528 |
"Modified: / 1.7.1996 / 21:11:39 / cg" |
|
1529 |
"Created: / 5.3.1998 / 10:57:18 / stefan" |
|
1530 |
! |
|
1531 |
||
3444 | 1532 |
longAt:byteIndex put:anInteger bigEndian:msb |
1533 |
"store a signed long (32bit) integer. |
|
1534 |
The index is a smalltalk index (i.e. 1-based). |
|
1535 |
Same as #signedQuadWordAt:put: - for ST80 compatibility." |
|
1536 |
||
1537 |
|v| |
|
1538 |
||
1539 |
v := anInteger. |
|
1540 |
anInteger < 0 ifTrue:[ |
|
4308 | 1541 |
v := v + 16r100000000 |
3444 | 1542 |
]. |
1543 |
^ self unsignedLongAt:byteIndex put:v bigEndian:msb |
|
1544 |
||
1545 |
"Created: / 9.5.1998 / 01:10:24 / cg" |
|
1546 |
"Modified: / 9.5.1998 / 01:13:34 / cg" |
|
1547 |
! |
|
1548 |
||
11850 | 1549 |
pointerAt:index |
1550 |
"get a pointer starting at index as ExternalAddress. |
|
13575 | 1551 |
The index is a smalltalk index (i.e. 1-based). |
11850 | 1552 |
Only aligned accesses are allowed." |
1553 |
||
1554 |
%{ |
|
1555 |
if (__isSmallInteger(index)) { |
|
13575 | 1556 |
unsigned char *cp; |
15004 | 1557 |
INT sz; |
13575 | 1558 |
|
1559 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
|
1560 |
if (cp) { |
|
1561 |
unsigned INT idx = ((unsigned INT)__smallIntegerVal(index)) - 1; |
|
13576 | 1562 |
char *pointer; |
13575 | 1563 |
|
1564 |
if ((idx+(sizeof(pointer)-1)) < sz) { |
|
1565 |
cp += idx; |
|
1566 |
/* |
|
1567 |
* aligned |
|
1568 |
*/ |
|
1569 |
if (((INT)cp & (sizeof(pointer)-1)) == 0) { |
|
1570 |
pointer = ((char **)cp)[0]; |
|
1571 |
RETURN (__MKEXTERNALADDRESS(pointer)); |
|
15004 | 1572 |
} else { |
1573 |
#if 0 |
|
1574 |
printf("cp UNALIGNED (%"_lx_")\n", (INT)cp); |
|
1575 |
#endif |
|
13575 | 1576 |
} |
15004 | 1577 |
} else { |
1578 |
#if 0 |
|
1579 |
printf("idx(%"_ld_")+(sizeof(pointer)-1) (%d) >= sz (%"_ld_")\n", |
|
1580 |
idx, (int)(sizeof(pointer)-1), sz); |
|
1581 |
#endif |
|
13575 | 1582 |
} |
15004 | 1583 |
} else { |
1584 |
#if 0 |
|
1585 |
printf("cp is NULL\n"); |
|
1586 |
#endif |
|
13575 | 1587 |
} |
15004 | 1588 |
} else { |
1589 |
#if 0 |
|
1590 |
printf("bad index\n"); |
|
1591 |
#endif |
|
11850 | 1592 |
} |
1593 |
bad:; |
|
1594 |
%}. |
|
1595 |
||
1596 |
self primitiveFailed. |
|
1597 |
||
1598 |
" |
|
1599 |
|b| |
|
1600 |
b := ByteArray new:(ExternalAddress pointerSize). |
|
13575 | 1601 |
b pointerAt:1 put:(ExternalAddress newAddress:16r12345678). |
11850 | 1602 |
Transcript showCR:((b unsignedLongAt:1) printStringRadix:16). |
1603 |
Transcript showCR:((b pointerAt:1)). |
|
1604 |
" |
|
1605 |
! |
|
1606 |
||
6492 | 1607 |
pointerAt:index put:value |
15004 | 1608 |
"set the pointer starting at index from the integer or externalAddress value. |
13575 | 1609 |
The index is a smalltalk index (i.e. 1-based). |
6492 | 1610 |
Only aligned accesses are allowed. |
1611 |
The value is either an ExternalAddress or ExternalBytes" |
|
1612 |
||
1613 |
%{ |
|
1614 |
OBJ *pointer; |
|
1615 |
||
7814
c649ba9fd538
#pointerAt:put: now works for ExternalAddressLike objects
Stefan Vogel <sv@exept.de>
parents:
7813
diff
changeset
|
1616 |
if (__isExternalAddressLike(value)) { |
13575 | 1617 |
pointer = __externalAddressVal(value); |
7197
a68adb223592
also handle subclasses of ExternalBytes (Mapped..)
Claus Gittinger <cg@exept.de>
parents:
7193
diff
changeset
|
1618 |
} else if (__isExternalBytesLike(value)) { |
13575 | 1619 |
pointer = __externalBytesVal(value); |
1620 |
if (pointer == (OBJ *)0) |
|
1621 |
pointer = 0; |
|
11852 | 1622 |
} else if (value == nil) { |
13575 | 1623 |
pointer = 0; |
15004 | 1624 |
} else if (__isSmallInteger(value)) { |
1625 |
pointer = (OBJ *)__intVal(value); |
|
1626 |
} else { |
|
1627 |
if ((pointer = (OBJ *)__unsignedLongIntVal(value)) == 0) { |
|
1628 |
goto bad; |
|
1629 |
} |
|
1630 |
} |
|
6492 | 1631 |
|
1632 |
if (__isSmallInteger(index)) { |
|
13575 | 1633 |
unsigned char *cp; |
15004 | 1634 |
INT sz; |
13575 | 1635 |
|
1636 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
|
1637 |
if (cp) { |
|
1638 |
unsigned INT idx = ((unsigned INT)__smallIntegerVal(index)) - 1; |
|
1639 |
||
1640 |
if ((idx+(sizeof(pointer)-1)) < sz) { |
|
1641 |
cp += idx; |
|
1642 |
/* |
|
1643 |
* aligned |
|
1644 |
*/ |
|
1645 |
if (((INT)cp & (sizeof(pointer)-1)) == 0) { |
|
1646 |
((char **)cp)[0] = (char *) pointer; |
|
1647 |
RETURN (value); |
|
1648 |
} |
|
1649 |
} |
|
1650 |
} |
|
6492 | 1651 |
} |
1652 |
bad:; |
|
1653 |
%}. |
|
1654 |
||
1655 |
self primitiveFailed. |
|
1656 |
||
1657 |
" |
|
1658 |
|b| |
|
1659 |
b := ByteArray new:ExternalAddress pointerSize. |
|
13575 | 1660 |
b pointerAt:1 put:(ExternalAddress newAddress:16r12345678). |
1661 |
(b unsignedLongAt:1) printStringRadix:16 |
|
6492 | 1662 |
" |
1663 |
||
1664 |
"Modified: / 1.7.1996 / 21:11:39 / cg" |
|
1665 |
"Created: / 5.3.1998 / 10:57:18 / stefan" |
|
1666 |
! |
|
1667 |
||
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1668 |
signedDoubleWordAt:index |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1669 |
"return the 4-bytes starting at index as a signed Integer. |
3433 | 1670 |
The index is a smalltalk index (i.e. 1-based). |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1671 |
The value is retrieved in the machines natural byte order. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1672 |
This may be worth a primitive." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1673 |
|
4515 | 1674 |
^ self signedDoubleWordAt:index MSB:(UninterpretedBytes isBigEndian) |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1675 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1676 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1677 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1678 |
b := ByteArray new:4. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1679 |
b doubleWordAt:1 put:16rFFFFFFFF. |
13575 | 1680 |
(b signedDoubleWordAt:1) |
4515 | 1681 |
" |
1682 |
" |
|
1683 |
|b| |
|
1684 |
b := ByteArray new:4. |
|
1685 |
b signedDoubleWordAt:1 put:-1. |
|
13575 | 1686 |
(b doubleWordAt:1) |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1687 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1688 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1689 |
"Modified: 1.7.1996 / 21:11:28 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1690 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1691 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1692 |
signedDoubleWordAt:index MSB:msb |
4515 | 1693 |
"return the 4-bytes starting at index as a (signed) Integer. |
3433 | 1694 |
The index is a smalltalk index (i.e. 1-based). |
4515 | 1695 |
The value is retrieved MSB-first, if the msb-arg is true; |
1696 |
LSB-first otherwise." |
|
1697 |
||
13575 | 1698 |
|val |
4515 | 1699 |
ival "{ Class: SmallInteger }" |
1700 |
t "{ Class: SmallInteger }" |
|
1701 |
i "{ Class: SmallInteger }" |
|
1702 |
b1 "{ Class: SmallInteger }" |
|
1703 |
b2 "{ Class: SmallInteger }" |
|
1704 |
b3 "{ Class: SmallInteger }" |
|
1705 |
b4 "{ Class: SmallInteger }"| |
|
1706 |
||
1707 |
%{ |
|
1708 |
/* |
|
1709 |
* handle the most common cases fast ... |
|
1710 |
*/ |
|
1711 |
if (__isSmallInteger(index)) { |
|
13575 | 1712 |
unsigned char *cp; |
15004 | 1713 |
INT sz; |
13575 | 1714 |
|
1715 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
|
1716 |
if (cp) { |
|
1717 |
unsigned INT idx = ((unsigned INT)__intVal(index)) - 1; |
|
1718 |
int iVal; |
|
1719 |
||
1720 |
if ((idx+(sizeof(int)-1)) < sz) { |
|
1721 |
cp += idx; |
|
1722 |
||
1723 |
if (msb == true) { |
|
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
1724 |
#if defined(__MSBFIRST__) |
13575 | 1725 |
if (((INT)cp & (sizeof(int)-1))== 0) { |
1726 |
/* |
|
1727 |
* aligned |
|
1728 |
*/ |
|
1729 |
iVal = ((int *)cp)[0]; |
|
1730 |
} else |
|
4515 | 1731 |
#endif |
13575 | 1732 |
{ |
1733 |
iVal = cp[0]; |
|
1734 |
iVal = (iVal << 8) | cp[1]; |
|
1735 |
iVal = (iVal << 8) | cp[2]; |
|
1736 |
iVal = (iVal << 8) | cp[3]; |
|
1737 |
} |
|
1738 |
} else { |
|
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
1739 |
#if defined(__i386__) || (defined(UNALIGNED_FETCH_OK) && defined(__LSBFIRST__)) |
13575 | 1740 |
/* |
1741 |
* aligned or not - we dont care |
|
1742 |
* (i386 can fetch unaligned) |
|
1743 |
*/ |
|
1744 |
iVal = ((int *)cp)[0]; |
|
4515 | 1745 |
#else |
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
1746 |
# if defined(__LSBFIRST__) |
13575 | 1747 |
if (((INT)cp & (sizeof(int)-1))== 0) { |
1748 |
/* |
|
1749 |
* aligned |
|
1750 |
*/ |
|
1751 |
iVal = ((int *)cp)[0]; |
|
1752 |
} else |
|
4515 | 1753 |
# endif |
13575 | 1754 |
{ |
1755 |
iVal = cp[3]; |
|
1756 |
iVal = (iVal << 8) | cp[2]; |
|
1757 |
iVal = (iVal << 8) | cp[1]; |
|
1758 |
iVal = (iVal << 8) | cp[0]; |
|
1759 |
} |
|
4515 | 1760 |
#endif |
13575 | 1761 |
} |
8901
824a89d0b5c7
alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents:
8893
diff
changeset
|
1762 |
#if __POINTER_SIZE__ == 8 |
13575 | 1763 |
RETURN (__mkSmallInteger(iVal)); |
4515 | 1764 |
#else |
13575 | 1765 |
RETURN (__MKINT(iVal)); |
4515 | 1766 |
#endif |
13575 | 1767 |
} |
1768 |
} |
|
4515 | 1769 |
} |
1770 |
%}. |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1771 |
|
4515 | 1772 |
"/ fallBack code - non ByteArray-like receiver |
1773 |
"/ or funny index |
|
1774 |
||
1775 |
i := index. |
|
1776 |
b1 := self at:i. |
|
1777 |
b2 := self at:(i+1). |
|
1778 |
b3 := self at:(i+2). |
|
1779 |
b4 := self at:(i+3). |
|
1780 |
||
1781 |
msb ifFalse:[ |
|
13575 | 1782 |
t := b4. b4 := b1. b1 := t. |
1783 |
t := b3. b3 := b2. b2 := t. |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1784 |
]. |
4515 | 1785 |
ival := b1. |
1786 |
ival := (ival bitShift:8) + b2. |
|
1787 |
ival := (ival bitShift:8) + b3. |
|
1788 |
val := (ival bitShift:8) + b4. |
|
1789 |
||
1790 |
(val > (16r7FFFFFFF)) ifTrue:[ |
|
13575 | 1791 |
^ val - (16r100000000) |
4515 | 1792 |
]. |
1793 |
^ val |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1794 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1795 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1796 |
|b| |
4515 | 1797 |
|
1798 |
b := ByteArray withAll:#(1 2 3 4). |
|
13575 | 1799 |
(b signedDoubleWordAt:1 MSB:true) printStringRadix:16. |
1800 |
(b signedDoubleWordAt:1 MSB:false) printStringRadix:16 |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1801 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1802 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1803 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1804 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1805 |
signedDoubleWordAt:index put:value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1806 |
"set the 4-bytes starting at index from the signed Integer value. |
3433 | 1807 |
The index is a smalltalk index (i.e. 1-based). |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1808 |
The value is stored in the machines natural byte order. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1809 |
This may be worth a primitive." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1810 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1811 |
|v| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1812 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1813 |
value >= 0 ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1814 |
v := value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1815 |
] ifFalse:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1816 |
v := value + 16r100000000 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1817 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1818 |
self doubleWordAt:index put:v. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1819 |
^ value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1820 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1821 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1822 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1823 |
b := ByteArray new:4. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1824 |
b signedDoubleWordAt:1 put:-1. |
13575 | 1825 |
(b doubleWordAt:1) printStringRadix:16 |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1826 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1827 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1828 |
"Modified: 1.7.1996 / 21:11:39 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1829 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1830 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1831 |
signedDoubleWordAt:index put:value MSB:msb |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1832 |
"set the 4-bytes starting at index from the signed Integer value. |
3433 | 1833 |
The index is a smalltalk index (i.e. 1-based). |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1834 |
Depending on msb, the value is stored MSB-first or LSB-first. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1835 |
This may be worth a primitive." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1836 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1837 |
|v| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1838 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1839 |
value >= 0 ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1840 |
v := value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1841 |
] ifFalse:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1842 |
v := value + 16r100000000 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1843 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1844 |
self doubleWordAt:index put:v MSB:msb. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1845 |
^ value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1846 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1847 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1848 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1849 |
b := ByteArray new:4. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1850 |
b signedDoubleWordAt:1 put:-1. |
13575 | 1851 |
(b doubleWordAt:1) printStringRadix:16 |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1852 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1853 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1854 |
"Modified: 1.7.1996 / 21:11:46 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1855 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1856 |
|
3323 | 1857 |
unsignedLongAt:index |
1858 |
"return the 4-bytes starting at index as an (unsigned) Integer. |
|
3433 | 1859 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 1860 |
The value is retrieved in the machines natural byte order. |
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1861 |
Subclasses may redefine this for better performance. |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1862 |
Same as doubleWordAt: for protocol completeness" |
3323 | 1863 |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1864 |
^ self doubleWordAt:index |
3323 | 1865 |
|
1866 |
" |
|
1867 |
|b| |
|
1868 |
||
1869 |
b := ByteArray withAll:#(1 2 3 4). |
|
13575 | 1870 |
(b unsignedLongAt:1) printStringRadix:16 |
3323 | 1871 |
" |
1872 |
||
1873 |
"Created: / 5.3.1998 / 11:56:53 / stefan" |
|
1874 |
"Modified: / 5.3.1998 / 14:58:48 / stefan" |
|
1875 |
! |
|
1876 |
||
1877 |
unsignedLongAt:index bigEndian:msb |
|
1878 |
"return the 4-bytes starting at index as an (unsigned) Integer. |
|
3433 | 1879 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 1880 |
The value is retrieved MSB-first, if the msb-arg is true; |
1881 |
LSB-first otherwise. |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1882 |
Subclasses may redefine this for better performance. |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1883 |
Same as doubleWordAt:MSB: for protocol completeness" |
3323 | 1884 |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1885 |
^ self doubleWordAt:index MSB:msb |
3323 | 1886 |
|
1887 |
" |
|
1888 |
|b| |
|
1889 |
||
1890 |
b := ByteArray withAll:#(1 2 3 4). |
|
13575 | 1891 |
(b unsignedLongAt:1 bigEndian:true) printStringRadix:16. |
1892 |
(b unsignedLongAt:1 bigEndian:false) printStringRadix:16 |
|
3323 | 1893 |
" |
1894 |
||
1895 |
"Modified: / 21.1.1998 / 17:42:30 / cg" |
|
1896 |
"Created: / 5.3.1998 / 11:46:05 / stefan" |
|
1897 |
! |
|
1898 |
||
1899 |
unsignedLongAt:index put:value |
|
1900 |
"set the 4-bytes starting at index from the (unsigned) Integer value. |
|
3433 | 1901 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 1902 |
The value should be in the range 0 to 16rFFFFFFFF |
1903 |
(for negative values, the stored value is not defined). |
|
1904 |
The value is stored in the machines natural byte order. |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1905 |
Subclasses may redefine this for better performance. |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1906 |
Same as doubleWordAt:put: for protocol completeness" |
3323 | 1907 |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1908 |
^ self doubleWordAt:index put:value |
3323 | 1909 |
|
1910 |
" |
|
1911 |
|b| |
|
1912 |
b := ByteArray new:4. |
|
1913 |
b unsignedLongAt:1 put:16r04030201. |
|
1914 |
b inspect |
|
1915 |
" |
|
1916 |
||
1917 |
"Created: / 5.3.1998 / 11:57:44 / stefan" |
|
1918 |
"Modified: / 5.3.1998 / 14:58:59 / stefan" |
|
1919 |
! |
|
1920 |
||
1921 |
unsignedLongAt:index put:aNumber bigEndian:msb |
|
1922 |
"set the 4-bytes starting at index from the (unsigned) Integer value. |
|
3433 | 1923 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 1924 |
The value must be in the range 0 to 16rFFFFFFFF. |
1925 |
The value is stored MSB-first if msb is true; LSB-first otherwise. |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1926 |
Subclasses may redefine this for better performance. |
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1927 |
Same as doubleWordAt:put:MSB: for protocol completeness" |
3323 | 1928 |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
1929 |
^ self doubleWordAt:index put:aNumber MSB:msb |
3323 | 1930 |
|
1931 |
" |
|
1932 |
|b| |
|
1933 |
b := ByteArray new:8. |
|
1934 |
b unsignedLongAt:1 put:16r04030201 bigEndian:true. |
|
1935 |
(b unsignedLongAt:1 bigEndian:false) printStringRadix:16 |
|
1936 |
" |
|
1937 |
||
1938 |
"Modified: / 21.1.1998 / 17:43:34 / cg" |
|
1939 |
"Created: / 5.3.1998 / 11:43:53 / stefan" |
|
1940 |
"Modified: / 5.3.1998 / 11:47:30 / stefan" |
|
3459 | 1941 |
! ! |
1942 |
||
13724 | 1943 |
!UninterpretedBytes methodsFor:'accessing-shorts (16bit)'! |
3459 | 1944 |
|
1945 |
shortAt:index |
|
1946 |
"return the 2-bytes starting at index as a signed Integer. |
|
1947 |
The index is a smalltalk index (i.e. 1-based). |
|
1948 |
The value is retrieved in the machines natural byte order. |
|
1949 |
This may be worth a primitive. |
|
1950 |
This is the ST80 equivalent of #signedWordAt:" |
|
1951 |
||
1952 |
^ (self unsignedShortAt:index) signExtendedShortValue |
|
1953 |
||
1954 |
" |
|
1955 |
|b| |
|
1956 |
b := ByteArray new:2. |
|
1957 |
b unsignedShortAt:1 put:16rFFFF. |
|
13575 | 1958 |
b shortAt:1 |
3459 | 1959 |
" |
1960 |
||
1961 |
"Modified: / 1.7.1996 / 21:14:38 / cg" |
|
1962 |
"Created: / 5.3.1998 / 10:59:57 / stefan" |
|
1963 |
"Modified: / 5.3.1998 / 23:39:38 / stefan" |
|
3323 | 1964 |
! |
1965 |
||
3459 | 1966 |
shortAt:index bigEndian:msb |
1967 |
"return the 2-bytes starting at index as a signed Integer. |
|
3433 | 1968 |
The index is a smalltalk index (i.e. 1-based). |
3459 | 1969 |
The value is retrieved MSB-first, if the msb-arg is true; |
1970 |
LSB-first otherwise. |
|
1971 |
This is the ST80 equivalent of #signedWordAt:" |
|
1972 |
||
1973 |
^ (self unsignedShortAt:index bigEndian:msb) signExtendedShortValue |
|
1974 |
||
1975 |
" |
|
1976 |
|b| |
|
1977 |
b := ByteArray new:2. |
|
1978 |
b unsignedShortAt:1 put:16rFFFF. |
|
13575 | 1979 |
b shortAt:1 |
3459 | 1980 |
" |
3323 | 1981 |
|
3459 | 1982 |
"Modified: / 1.7.1996 / 21:14:38 / cg" |
1983 |
"Created: / 5.3.1998 / 23:41:21 / stefan" |
|
1984 |
! |
|
1985 |
||
1986 |
shortAt:index put:value |
|
1987 |
"set the 2-bytes starting at index from the signed Integer value. |
|
1988 |
The index is a smalltalk index (i.e. 1-based). |
|
1989 |
The stored value must be in the range -32768 .. +32676. |
|
1990 |
The value is stored in the machines natural byteorder. |
|
1991 |
This may be worth a primitive. |
|
1992 |
This is the ST80 equivalent of #signedWordAt:put:" |
|
1993 |
||
3323 | 1994 |
|
3459 | 1995 |
|v| |
1996 |
||
1997 |
value >= 0 ifTrue:[ |
|
13575 | 1998 |
v := value |
3323 | 1999 |
] ifFalse:[ |
13575 | 2000 |
v := 16r10000 + value |
3323 | 2001 |
]. |
8017 | 2002 |
self unsignedShortAt:index put:v bigEndian:(UninterpretedBytes isBigEndian). |
3459 | 2003 |
^ value |
2004 |
||
2005 |
" |
|
2006 |
|b| |
|
2007 |
b := ByteArray new:6. |
|
2008 |
b shortAt:1 put:-1. |
|
2009 |
b shortAt:3 put:-2. |
|
2010 |
b shortAt:5 put:0. |
|
2011 |
b inspect |
|
2012 |
" |
|
2013 |
||
2014 |
"Modified: / 1.7.1996 / 21:12:07 / cg" |
|
2015 |
"Created: / 5.3.1998 / 11:02:05 / stefan" |
|
2016 |
! |
|
2017 |
||
8017 | 2018 |
shortAt:index put:value bigEndian:bigEndian |
2019 |
"set the 2-bytes starting at index from the signed Integer value. |
|
2020 |
The index is a smalltalk index (i.e. 1-based). |
|
2021 |
The stored value must be in the range -32768 .. +32676. |
|
8018 | 2022 |
The value is stored in the byteorder given by bigEndian. |
2023 |
This may be worth a primitive." |
|
8017 | 2024 |
|
2025 |
||
2026 |
|v| |
|
2027 |
||
2028 |
value >= 0 ifTrue:[ |
|
13575 | 2029 |
v := value |
8017 | 2030 |
] ifFalse:[ |
13575 | 2031 |
v := 16r10000 + value |
8017 | 2032 |
]. |
2033 |
self unsignedShortAt:index put:v bigEndian:bigEndian. |
|
2034 |
^ value |
|
2035 |
||
2036 |
" |
|
2037 |
|b| |
|
2038 |
b := ByteArray new:4. |
|
2039 |
b shortAt:1 put:1 bigEndian:true. |
|
2040 |
b shortAt:3 put:1 bigEndian:false. |
|
2041 |
b inspect |
|
2042 |
" |
|
2043 |
||
2044 |
"Modified: / 1.7.1996 / 21:12:07 / cg" |
|
2045 |
"Created: / 5.3.1998 / 11:02:05 / stefan" |
|
2046 |
! |
|
2047 |
||
3459 | 2048 |
signedWordAt:index |
2049 |
"return the 2-bytes starting at index as a signed Integer. |
|
2050 |
The index is a smalltalk index (i.e. 1-based). |
|
2051 |
The value is retrieved in the machines natural byte order. |
|
2052 |
This may be worth a primitive." |
|
2053 |
||
2054 |
^ (self wordAt:index) signExtendedShortValue |
|
3323 | 2055 |
|
2056 |
" |
|
2057 |
|b| |
|
3459 | 2058 |
b := ByteArray new:2. |
2059 |
b wordAt:1 put:16rFFFF. |
|
13575 | 2060 |
b signedWordAt:1 |
3323 | 2061 |
" |
2062 |
||
3459 | 2063 |
"Modified: 1.7.1996 / 21:14:38 / cg" |
3323 | 2064 |
! |
2065 |
||
3459 | 2066 |
signedWordAt:index MSB:msb |
2067 |
"return the 2-bytes starting at index as a signed Integer. |
|
3433 | 2068 |
The index is a smalltalk index (i.e. 1-based). |
3459 | 2069 |
The value is retrieved MSB-first if the msb-arg is true, |
2070 |
LSB-first otherwise. |
|
2071 |
This may be worth a primitive." |
|
3323 | 2072 |
|
3459 | 2073 |
^ (self wordAt:index MSB:msb) signExtendedShortValue |
3323 | 2074 |
|
2075 |
" |
|
2076 |
|b| |
|
3459 | 2077 |
b := ByteArray new:2. |
2078 |
b wordAt:1 put:16r0080. |
|
13575 | 2079 |
b signedWordAt:1 MSB:true. |
2080 |
b signedWordAt:1 MSB:false. |
|
3459 | 2081 |
" |
2082 |
||
2083 |
"Modified: 1.7.1996 / 21:15:57 / cg" |
|
2084 |
! |
|
2085 |
||
2086 |
signedWordAt:index put:value |
|
2087 |
"set the 2-bytes starting at index from the signed Integer value. |
|
2088 |
The index is a smalltalk index (i.e. 1-based). |
|
2089 |
The stored value must be in the range -32768 .. +32676. |
|
2090 |
The value is stored in the machines natural byteorder. |
|
2091 |
This may be worth a primitive. |
|
2092 |
This is the ST80 equivalent of #signedWordAt:put:" |
|
2093 |
||
2094 |
||
2095 |
|v| |
|
2096 |
||
2097 |
value >= 0 ifTrue:[ |
|
4308 | 2098 |
v := value |
3459 | 2099 |
] ifFalse:[ |
4308 | 2100 |
v := 16r10000 + value |
3459 | 2101 |
]. |
2102 |
self unsignedShortAt:index put:v. |
|
2103 |
^ value |
|
2104 |
||
2105 |
" |
|
2106 |
|b| |
|
2107 |
b := ByteArray new:6. |
|
2108 |
b shortAt:1 put:-1. |
|
2109 |
b shortAt:3 put:-2. |
|
2110 |
b shortAt:5 put:0. |
|
3323 | 2111 |
b inspect |
2112 |
" |
|
2113 |
||
3459 | 2114 |
"Modified: / 1.7.1996 / 21:12:07 / cg" |
2115 |
"Modified: / 5.3.1998 / 11:01:30 / stefan" |
|
2116 |
! |
|
2117 |
||
2118 |
signedWordAt:index put:value MSB:msb |
|
2119 |
"set the 2-bytes starting at index from the signed Integer value. |
|
2120 |
The index is a smalltalk index (i.e. 1-based). |
|
2121 |
The stored value must be in the range -32768 .. +32676. |
|
2122 |
The value is stored MSB-first, if the msb-arg is true; |
|
2123 |
LSB-first otherwise. |
|
2124 |
This may be worth a primitive." |
|
2125 |
||
2126 |
|v| |
|
2127 |
||
2128 |
value >= 0 ifTrue:[ |
|
2129 |
v := value |
|
2130 |
] ifFalse:[ |
|
2131 |
v := 16r10000 + value |
|
2132 |
]. |
|
2133 |
self wordAt:index put:v MSB:msb. |
|
2134 |
^ value |
|
2135 |
||
2136 |
" |
|
2137 |
|b| |
|
2138 |
b := ByteArray new:4. |
|
2139 |
b signedWordAt:1 put:-1. |
|
2140 |
b signedWordAt:3 put:-2. |
|
2141 |
b inspect |
|
2142 |
" |
|
2143 |
||
2144 |
"Modified: 1.7.1996 / 21:12:13 / cg" |
|
3323 | 2145 |
! |
2146 |
||
2147 |
unsignedShortAt:index |
|
2148 |
"return the 2-bytes starting at index as an (unsigned) Integer. |
|
3433 | 2149 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 2150 |
The value is retrieved in the machines natural byte order |
2151 |
Subclasses may redefine this for better performance. |
|
2152 |
This is the ST80 equivalent of #wordAt:" |
|
2153 |
||
2154 |
||
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
2155 |
^ self unsignedShortAt:index bigEndian:(UninterpretedBytes isBigEndian) |
3323 | 2156 |
|
2157 |
"Created: / 5.3.1998 / 11:38:25 / stefan" |
|
2158 |
"Modified: / 5.3.1998 / 14:59:25 / stefan" |
|
2159 |
! |
|
2160 |
||
2161 |
unsignedShortAt:index bigEndian:msb |
|
2162 |
"return the 2-bytes starting at index as an (unsigned) Integer. |
|
3433 | 2163 |
The index is a smalltalk index (i.e. 1-based). |
3323 | 2164 |
The value is retrieved MSB-first (high 8 bits at lower index) if msb is true; |
2165 |
LSB-first (i.e. low 8-bits at lower byte index) if its false)" |
|
2166 |
||
13575 | 2167 |
|b1 "{ Class: SmallInteger }" |
3323 | 2168 |
b2 "{ Class: SmallInteger }"| |
2169 |
||
2170 |
b1 := self at:index. |
|
2171 |
b2 := self at:(index + 1). |
|
2172 |
msb ifTrue:[ |
|
4308 | 2173 |
^ (b1 bitShift:8) + b2 |
3323 | 2174 |
]. |
2175 |
^ (b2 bitShift:8) + b1 |
|
2176 |
||
2177 |
"Modified: / 21.1.1998 / 17:46:07 / cg" |
|
2178 |
"Created: / 5.3.1998 / 11:49:29 / stefan" |
|
2179 |
! |
|
2180 |
||
2181 |
unsignedShortAt:index put:value |
|
2182 |
"set the 2-bytes starting at index from the (unsigned) Integer value. |
|
3433 | 2183 |
The index is a smalltalk index (i.e. 1-based). |
13575 | 2184 |
The stored value must be in the range 0 .. 16rFFFF. |
3323 | 2185 |
The value is stored in the machines natural byteorder." |
2186 |
||
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
2187 |
^ self unsignedShortAt:index put:value bigEndian:(UninterpretedBytes isBigEndian) |
3323 | 2188 |
|
2189 |
" |
|
2190 |
|b| |
|
2191 |
b := ByteArray new:4. |
|
2192 |
b unsignedShortAt:1 put:16r0102. |
|
2193 |
b unsignedShortAt:3 put:16r0304. |
|
13575 | 2194 |
b inspect |
3323 | 2195 |
" |
2196 |
||
2197 |
"Created: / 5.3.1998 / 11:54:52 / stefan" |
|
2198 |
"Modified: / 5.3.1998 / 14:59:38 / stefan" |
|
2199 |
! |
|
2200 |
||
2201 |
unsignedShortAt:index put:value bigEndian:msb |
|
2202 |
"set the 2-bytes starting at index from the (unsigned) Integer value. |
|
3433 | 2203 |
The index is a smalltalk index (i.e. 1-based). |
13575 | 2204 |
The stored value must be in the range 0 .. 16rFFFF. |
3323 | 2205 |
The value is stored LSB-first (i.e. the low 8bits are stored at the |
2206 |
lower index) if msb is false, MSB-first otherwise" |
|
2207 |
||
2208 |
|b1 b2 |
|
2209 |
iVal "{ Class: SmallInteger }"| |
|
2210 |
||
2211 |
iVal := value. |
|
2212 |
((iVal < 0) or:[iVal > 16rFFFF]) ifTrue:[ |
|
13575 | 2213 |
^ self elementBoundsError:iVal |
3323 | 2214 |
]. |
2215 |
msb ifTrue:[ |
|
13575 | 2216 |
b1 := ((iVal bitShift:-8) bitAnd:16rFF). |
2217 |
b2 := (iVal bitAnd:16rFF). |
|
3323 | 2218 |
] ifFalse:[ |
13575 | 2219 |
b1 := (iVal bitAnd:16rFF). |
2220 |
b2 := ((iVal bitShift:-8) bitAnd:16rFF). |
|
3323 | 2221 |
]. |
2222 |
self at:index put:b1. |
|
2223 |
self at:index+1 put:b2. |
|
2224 |
^ value |
|
2225 |
||
2226 |
" |
|
2227 |
|b| |
|
2228 |
b := ByteArray new:8. |
|
2229 |
b unsignedShortAt:1 put:16r0102 bigEndian:false. |
|
2230 |
b unsignedShortAt:3 put:16r0304 bigEndian:false. |
|
2231 |
b unsignedShortAt:5 put:16r0102 bigEndian:true. |
|
2232 |
b unsignedShortAt:7 put:16r0304 bigEndian:true. |
|
13575 | 2233 |
b inspect |
3323 | 2234 |
" |
2235 |
||
2236 |
"Modified: / 21.1.1998 / 17:48:15 / cg" |
|
2237 |
"Modified: / 5.3.1998 / 11:52:28 / stefan" |
|
2238 |
! |
|
2239 |
||
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2240 |
wordAt:index |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2241 |
"return the 2-bytes starting at index as an (unsigned) Integer. |
3433 | 2242 |
The index is a smalltalk index (i.e. 1-based). |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2243 |
The value is retrieved in the machines natural byte order |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2244 |
Subclasses may redefine this for better performance." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2245 |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
2246 |
^ self wordAt:index MSB:(UninterpretedBytes isBigEndian) |
3323 | 2247 |
|
2248 |
"Modified: / 5.3.1998 / 14:59:51 / stefan" |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2249 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2250 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2251 |
wordAt:index MSB:msb |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2252 |
"return the 2-bytes starting at index as an (unsigned) Integer. |
3433 | 2253 |
The index is a smalltalk index (i.e. 1-based). |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2254 |
The value is retrieved MSB (high 8 bits at lower index) if msb is true; |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2255 |
LSB-first (i.e. low 8-bits at lower byte index) if its false. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2256 |
Question: should it be retrieve signed values ? (see ByteArray>>signedWordAt:)" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2257 |
|
13575 | 2258 |
|b1 "{ Class: SmallInteger }" |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2259 |
b2 "{ Class: SmallInteger }"| |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2260 |
|
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2261 |
b1 := self at:index. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2262 |
b2 := self at:(index + 1). |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2263 |
msb ifTrue:[ |
4308 | 2264 |
^ (b1 bitShift:8) + b2 |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2265 |
]. |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2266 |
^ (b2 bitShift:8) + b1 |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2267 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2268 |
"Modified: / 21.1.1998 / 17:46:07 / cg" |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2269 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2270 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2271 |
wordAt:index put:value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2272 |
"set the 2-bytes starting at index from the (unsigned) Integer value. |
3433 | 2273 |
The index is a smalltalk index (i.e. 1-based). |
13575 | 2274 |
The stored value must be in the range 0 .. 16rFFFF. |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2275 |
The value is stored in the machines natural byteorder. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2276 |
Question: should it accept signed values ? (see ByteArray>>signedWordAt:put:)" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2277 |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
2278 |
^ self wordAt:index put:value MSB:(UninterpretedBytes isBigEndian) |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2279 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2280 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2281 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2282 |
b := ByteArray new:4. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2283 |
b wordAt:1 put:16r0102. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2284 |
b wordAt:3 put:16r0304. |
13575 | 2285 |
b inspect |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2286 |
" |
3323 | 2287 |
|
2288 |
"Modified: / 5.3.1998 / 15:00:03 / stefan" |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2289 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2290 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2291 |
wordAt:index put:value MSB:msb |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2292 |
"set the 2-bytes starting at index from the (unsigned) Integer value. |
3433 | 2293 |
The index is a smalltalk index (i.e. 1-based). |
13575 | 2294 |
The stored value must be in the range 0 .. 16rFFFF. |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2295 |
The value is stored LSB-first (i.e. the low 8bits are stored at the |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2296 |
lower index) if msb is false, MSB-first otherwise. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2297 |
Question: should it accept signed values ? (see ByteArray>>signedWordAt:put:)" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2298 |
|
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2299 |
|b1 b2 |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2300 |
iVal "{ Class: SmallInteger }"| |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2301 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2302 |
iVal := value. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2303 |
((iVal < 0) or:[iVal > 16rFFFF]) ifTrue:[ |
13575 | 2304 |
^ self elementBoundsError:iVal |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2305 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2306 |
msb ifTrue:[ |
13575 | 2307 |
b1 := ((iVal bitShift:-8) bitAnd:16rFF). |
2308 |
b2 := (iVal bitAnd:16rFF). |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2309 |
] ifFalse:[ |
13575 | 2310 |
b1 := (iVal bitAnd:16rFF). |
2311 |
b2 := ((iVal bitShift:-8) bitAnd:16rFF). |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2312 |
]. |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2313 |
self at:index put:b1. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2314 |
self at:index+1 put:b2. |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2315 |
^ value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2316 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2317 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2318 |
b := ByteArray new:8. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2319 |
b wordAt:1 put:16r0102 MSB:false. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2320 |
b wordAt:3 put:16r0304 MSB:false. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2321 |
b wordAt:5 put:16r0102 MSB:true. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2322 |
b wordAt:7 put:16r0304 MSB:true. |
13575 | 2323 |
b inspect |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2324 |
" |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2325 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2326 |
"Modified: / 21.1.1998 / 17:48:15 / cg" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2327 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2328 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2329 |
wordAtWordIndex:index |
13575 | 2330 |
"return the unsigned short at index, anInteger. |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2331 |
Fetching in the machines natural byte order. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2332 |
Indices are 1-based and scaled as appropriate to allow |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2333 |
accessing the memory as an array of word entries. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2334 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2335 |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
2336 |
^ self wordAtWordIndex:index MSB:(UninterpretedBytes isBigEndian) |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2337 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2338 |
"Created: / 21.1.1998 / 17:48:26 / cg" |
3323 | 2339 |
"Modified: / 5.3.1998 / 15:00:16 / stefan" |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2340 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2341 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2342 |
wordAtWordIndex:index MSB:msb |
13575 | 2343 |
"return the unsigned short at index, anInteger. |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2344 |
Fetching is MSB if msb is true, LSB otherwise. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2345 |
Indices are 1-based and scaled as appropriate to allow |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2346 |
accessing the memory as an array of word entries. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2347 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2348 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2349 |
^ self wordAt:(index - 1 * 2 + 1) MSB:msb |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2350 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2351 |
"Created: / 21.1.1998 / 17:48:30 / cg" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2352 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2353 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2354 |
wordAtWordIndex:index put:value |
13575 | 2355 |
"set the short at index, anInteger. |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2356 |
Storing in the machines natural byte order. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2357 |
Indices are 1-based and scaled as appropriate to allow |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2358 |
accessing the memory as an array of word entries. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2359 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2360 |
|
4019
c9284ca27a4a
tuned some doubleWordAt methods;
Claus Gittinger <cg@exept.de>
parents:
3936
diff
changeset
|
2361 |
^ self wordAtWordIndex:index put:value MSB:(UninterpretedBytes isBigEndian) |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2362 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2363 |
"Created: / 21.1.1998 / 17:48:34 / cg" |
3323 | 2364 |
"Modified: / 5.3.1998 / 15:00:27 / stefan" |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2365 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2366 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2367 |
wordAtWordIndex:index put:value MSB:msb |
13575 | 2368 |
"set the short at index, anInteger. |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2369 |
Storing is MSB if msb is true, LSB otherwise. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2370 |
Indices are 1-based and scaled as appropriate to allow |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2371 |
accessing the memory as an array of word entries. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2372 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2373 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2374 |
^ self wordAt:(index - 1 * 2 + 1) put:value MSB:msb |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2375 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
2376 |
"Created: / 21.1.1998 / 17:48:38 / cg" |
3459 | 2377 |
! ! |
2378 |
||
2379 |
!UninterpretedBytes methodsFor:'accessing-strings'! |
|
2380 |
||
2381 |
stringAt:index |
|
2382 |
"return a string starting at index up to the 0-byte. |
|
2383 |
The index is a smalltalk index (i.e. 1-based)." |
|
2384 |
||
2385 |
|stream i "{ Class: SmallInteger }" c| |
|
2386 |
||
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2387 |
stream := WriteStream on:(String new:40). |
3459 | 2388 |
i := index. |
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2389 |
[(c := self byteAt:i) ~~ 0] whileTrue:[ |
13575 | 2390 |
stream nextPut:(Character value:c). |
2391 |
i := i + 1. |
|
3459 | 2392 |
]. |
2393 |
^ stream contents |
|
2394 |
||
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2395 |
" |
13575 | 2396 |
#[71 72 73 74 75 76 77 0] stringAt:1 |
2397 |
#[71 72 73 74 75 76 77 0] stringAt:2 |
|
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2398 |
'1234567890' stringAt:2 |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2399 |
" |
3459 | 2400 |
! |
2401 |
||
2402 |
stringAt:index put:aString |
|
2403 |
"copy aString to the externalBytes, starting at index up to |
|
7815 | 2404 |
(and including) the 0-byte (which is always written). |
3459 | 2405 |
The index is a smalltalk index (i.e. 1-based)." |
2406 |
||
2407 |
|i "{ Class: SmallInteger }"| |
|
2408 |
||
2409 |
i := index. |
|
2410 |
aString do:[:aChar | |
|
13575 | 2411 |
self byteAt:i put:aChar codePoint. |
2412 |
i := i + 1. |
|
3459 | 2413 |
]. |
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2414 |
self byteAt:i put:0. |
3459 | 2415 |
^ aString |
2416 |
||
2417 |
" |
|
2418 |
|bytes| |
|
2419 |
||
2420 |
bytes := ExternalBytes new:10. |
|
2421 |
bytes stringAt:1 put:'hello'. |
|
2422 |
1 to:bytes size do:[:i | |
|
13575 | 2423 |
Transcript showCR:(bytes at:i) |
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2424 |
]. |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2425 |
" |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2426 |
|
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2427 |
" |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2428 |
(String new:20) stringAt:1 put:'hello'; stringAt:6 put:' world'; yourself |
3459 | 2429 |
" |
2430 |
||
2431 |
"Created: / 21.1.1998 / 17:45:02 / cg" |
|
2432 |
! |
|
2433 |
||
7812 | 2434 |
stringAt:index put:aString size:maxSize |
2435 |
"copy aString to the externalBytes, starting at index up to either maxSize characters, |
|
2436 |
or (and including) the 0-byte, whichever is encountered first. |
|
7815 | 2437 |
The final 0-byte is only written, if the string is shorter than maxSize. |
7812 | 2438 |
The index is a smalltalk index (i.e. 1-based)." |
2439 |
||
2440 |
|remaining "{ Class: SmallInteger }" |
|
2441 |
i "{ Class: SmallInteger }"| |
|
2442 |
||
2443 |
remaining := maxSize. |
|
7816 | 2444 |
remaining <= 0 ifTrue:[^ aString]. |
7812 | 2445 |
|
2446 |
i := index. |
|
2447 |
aString do:[:aChar | |
|
13575 | 2448 |
self byteAt:i put:aChar codePoint. |
2449 |
i := i + 1. |
|
2450 |
remaining := remaining - 1. |
|
2451 |
remaining <= 0 ifTrue:[^ aString]. |
|
7812 | 2452 |
]. |
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2453 |
self byteAt:i put:0. |
7812 | 2454 |
^ aString |
2455 |
||
2456 |
" |
|
2457 |
|bytes| |
|
2458 |
||
2459 |
bytes := ExternalBytes new:10. |
|
2460 |
bytes stringAt:1 put:'hello' size:3. |
|
2461 |
1 to:bytes size do:[:i | |
|
13575 | 2462 |
Transcript showCR:(bytes at:i) |
7812 | 2463 |
] |
2464 |
" |
|
2465 |
" |
|
2466 |
|bytes| |
|
2467 |
||
2468 |
bytes := ByteArray new:10 withAll:16rFF. |
|
2469 |
bytes stringAt:1 put:'he' size:3. |
|
2470 |
1 to:bytes size do:[:i | |
|
13575 | 2471 |
Transcript showCR:(bytes at:i) |
7812 | 2472 |
] |
2473 |
" |
|
2474 |
||
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2475 |
" |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2476 |
(String new:20) stringAt:1 put:'hello' size:3 ; stringAt:4 put:' world' size:4; yourself |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2477 |
" |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2478 |
|
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2479 |
|
7812 | 2480 |
"Created: / 21.1.1998 / 17:45:02 / cg" |
2481 |
! |
|
2482 |
||
3459 | 2483 |
stringAt:index size:maxSize |
2484 |
"return a string starting at index up to maxSize, or a 0-byte. |
|
2485 |
The index is a smalltalk index (i.e. 1-based)." |
|
2486 |
||
13575 | 2487 |
|stream c |
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2488 |
max "{ Class: SmallInteger }" |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2489 |
start "{ Class: SmallInteger }"| |
3459 | 2490 |
|
2491 |
stream := WriteStream on:(String new:maxSize). |
|
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2492 |
start := index. |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2493 |
max := start + maxSize - 1. |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2494 |
|
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2495 |
start to:max do:[:eachIndex| |
13575 | 2496 |
c := self byteAt:eachIndex. |
2497 |
c == 0 ifTrue:[ |
|
2498 |
^ stream contents |
|
2499 |
]. |
|
2500 |
stream nextPut:(Character value:c). |
|
3459 | 2501 |
]. |
2502 |
^ stream contents |
|
2503 |
||
10676
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2504 |
" |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2505 |
#[71 72 73 74 75 76 77] stringAt:1 size:7 |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2506 |
#[71 72 73 74 75 76 77] stringAt:2 size:6 |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2507 |
'1234567890' stringAt:2 size:6 |
252a445bf47d
#stringAt:* now works on Strings, too
Stefan Vogel <sv@exept.de>
parents:
10675
diff
changeset
|
2508 |
" |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2509 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2510 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2511 |
zeroByteStringAt:index maximumSize:count |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2512 |
"extract a zeroByte-delimited string, given initial index and |
3433 | 2513 |
maximum number of characters (bytes). |
2514 |
The index is a smalltalk index (i.e. 1-based)." |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2515 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2516 |
|bytes idx| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2517 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2518 |
bytes := self copyFrom:index to:(index + count - 1). |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2519 |
idx := bytes indexOf:0. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2520 |
idx ~~ 0 ifTrue:[ bytes := bytes copyTo:idx-1 ]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2521 |
^ bytes asString |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2522 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2523 |
"Created: 9.9.1996 / 15:28:34 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2524 |
! ! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
2525 |
|
12951 | 2526 |
!UninterpretedBytes methodsFor:'converting'! |
2527 |
||
2528 |
asExternalBytes |
|
2529 |
|sz bytes| |
|
2530 |
||
14142 | 2531 |
sz := self byteSize. |
12951 | 2532 |
bytes := ExternalBytes unprotectedNew:sz. |
2533 |
bytes replaceBytesFrom:1 to:sz with:self startingAt:1. |
|
2534 |
^ bytes |
|
2535 |
||
2536 |
" |
|
2537 |
#[1 2 3 4 5 6 7] asExternalBytes |
|
2538 |
'Hello World' asExternalBytes |
|
14142 | 2539 |
'Hello World' asUnicodeString asExternalBytes |
12951 | 2540 |
" |
14132 | 2541 |
! |
2542 |
||
14155 | 2543 |
asExternalBytesUnprotected |
2544 |
"Like asExternalBytes, but does not register the bytes so |
|
15836 | 2545 |
bytes are GARBAGE-COLLECTED." |
14155 | 2546 |
|
2547 |
|bytes sz| |
|
2548 |
||
2549 |
sz := self byteSize. |
|
15836 | 2550 |
bytes := ExternalBytes unprotectedNew:sz. |
14155 | 2551 |
bytes replaceFrom:1 to:sz with:self startingAt:1. |
2552 |
^ bytes |
|
2553 |
||
2554 |
" |
|
2555 |
|x| |
|
2556 |
x := 'fooBar' asExternalBytesUnprotected. |
|
2557 |
ObjectMemory garbageCollect |
|
2558 |
" |
|
2559 |
||
2560 |
"Created: / 05-06-2012 / 14:11:35 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
|
15836 | 2561 |
"Modified: / 30-11-2013 / 11:42:21 / cg" |
14155 | 2562 |
! |
2563 |
||
14132 | 2564 |
asUUID |
2565 |
^ UUID fromBytes:self |
|
12951 | 2566 |
! ! |
2567 |
||
4782 | 2568 |
!UninterpretedBytes methodsFor:'filling & replacing'! |
2569 |
||
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2570 |
replaceBytesFrom:start to:stop with:aCollection startingAt:repStart |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2571 |
"replace elements from another collection, which must be a ByteArray- |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2572 |
like collection. |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2573 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2574 |
Notice: This operation modifies the receiver, NOT a copy; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2575 |
therefore the change may affect all others referencing the receiver." |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2576 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2577 |
%{ /* NOCONTEXT */ |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2578 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2579 |
int nIndex, repNIndex; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2580 |
int startIndex, stopIndex; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2581 |
REGISTER unsigned char *src; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2582 |
REGISTER int repStartIndex; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2583 |
int repStopIndex, count; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2584 |
REGISTER unsigned char *dst; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2585 |
OBJ cls; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2586 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2587 |
#ifndef NO_PRIM_BYTEARR |
14082 | 2588 |
if ((__isBytes(aCollection) || __isExternalBytesLike(aCollection)) |
14142 | 2589 |
&& (__isBytes(self) || __isWords(self)) |
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2590 |
&& __bothSmallInteger(start, stop) |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2591 |
&& __isSmallInteger(repStart)) { |
15004 | 2592 |
startIndex = __intVal(start) - 1; |
2593 |
if (startIndex >= 0) { |
|
2594 |
dst = (__ByteArrayInstPtr(self)->ba_element) + startIndex; |
|
2595 |
nIndex = __byteArraySize(self); |
|
2596 |
||
2597 |
if ((cls = __qClass(self)) != @global(ByteArray)) { |
|
2598 |
int nInst; |
|
2599 |
||
2600 |
nInst = __OBJS2BYTES__(__intVal(__ClassInstPtr(cls)->c_ninstvars)); |
|
2601 |
dst += nInst; |
|
2602 |
nIndex -= nInst; |
|
2603 |
} |
|
2604 |
||
2605 |
stopIndex = __intVal(stop) - 1; |
|
2606 |
count = stopIndex - startIndex + 1; |
|
2607 |
if (count == 0) { |
|
2608 |
RETURN ( self ); |
|
2609 |
} |
|
2610 |
||
2611 |
if ((count > 0) && (stopIndex < nIndex)) { |
|
2612 |
repStartIndex = __intVal(repStart) - 1; |
|
2613 |
if (repStartIndex >= 0) { |
|
2614 |
if (__isExternalBytesLike(aCollection)) { |
|
2615 |
OBJ sz; |
|
2616 |
||
2617 |
src = __externalAddressVal(aCollection); |
|
2618 |
if (src == 0) goto fallBack; |
|
2619 |
||
2620 |
sz = __externalBytesSize(aCollection); |
|
2621 |
if (__isSmallInteger(sz)) { |
|
2622 |
repNIndex = __smallIntegerVal(sz); |
|
2623 |
} else { |
|
2624 |
repNIndex = repStopIndex+1; /* always enough */ |
|
2625 |
} |
|
2626 |
src = src + repStartIndex; |
|
2627 |
} else { |
|
2628 |
if (__isStringLike(aCollection)) { |
|
2629 |
repNIndex = __stringSize(aCollection); |
|
2630 |
} else { |
|
2631 |
repNIndex = __qSize(aCollection) - OHDR_SIZE; |
|
2632 |
} |
|
2633 |
src = (__ByteArrayInstPtr(aCollection)->ba_element) + repStartIndex; |
|
2634 |
if ((cls = __qClass(aCollection)) != @global(ByteArray)) { |
|
2635 |
int nInst; |
|
2636 |
||
2637 |
nInst = __OBJS2BYTES__(__intVal(__ClassInstPtr(cls)->c_ninstvars)); |
|
2638 |
src += nInst; |
|
2639 |
repNIndex -= nInst; |
|
2640 |
} |
|
2641 |
} |
|
2642 |
repStopIndex = repStartIndex + (stopIndex - startIndex); |
|
2643 |
if (repStopIndex < repNIndex) { |
|
2644 |
if (aCollection == self) { |
|
2645 |
/* take care of overlapping copy */ |
|
2646 |
if (src < dst) { |
|
2647 |
/* must do a reverse copy */ |
|
2648 |
src += count; |
|
2649 |
dst += count; |
|
2650 |
while (count-- > 0) { |
|
2651 |
*--dst = *--src; |
|
2652 |
} |
|
2653 |
RETURN ( self ); |
|
2654 |
} |
|
2655 |
} |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2656 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2657 |
# ifdef bcopy4 |
15004 | 2658 |
if (((unsigned INT)src & 3) == ((unsigned INT)dst & 3)) { |
2659 |
int nW; |
|
2660 |
||
2661 |
/* copy unaligned part */ |
|
2662 |
while (count && ((unsigned INT)src & 3)) { |
|
2663 |
*dst++ = *src++; |
|
2664 |
count--; |
|
2665 |
} |
|
2666 |
||
2667 |
if (count > 0) { |
|
2668 |
/* copy aligned part */ |
|
2669 |
nW = count >> 2; |
|
2670 |
bcopy4(src, dst, nW); |
|
2671 |
if ((count = count & 3) != 0) { |
|
2672 |
/* copy any remaining part */ |
|
2673 |
src += (nW<<2); |
|
2674 |
dst += (nW<<2); |
|
2675 |
while (count--) { |
|
2676 |
*dst++ = *src++; |
|
2677 |
} |
|
2678 |
} |
|
2679 |
} |
|
2680 |
RETURN ( self ); |
|
2681 |
} |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2682 |
# else |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2683 |
# if __POINTER_SIZE__ == 8 |
15004 | 2684 |
if (((unsigned INT)src & 7) == ((unsigned INT)dst & 7)) { |
2685 |
/* copy unaligned part */ |
|
2686 |
while (count && ((unsigned INT)src & 7)) { |
|
2687 |
*dst++ = *src++; |
|
2688 |
count--; |
|
2689 |
} |
|
2690 |
||
2691 |
/* copy aligned part */ |
|
2692 |
while (count >= 8) { |
|
2693 |
((unsigned INT *)dst)[0] = ((unsigned INT *)src)[0]; |
|
2694 |
dst += 8; |
|
2695 |
src += 8; |
|
2696 |
count -= 8; |
|
2697 |
} |
|
2698 |
while (count--) { |
|
2699 |
*dst++ = *src++; |
|
2700 |
} |
|
2701 |
RETURN ( self ); |
|
2702 |
} |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2703 |
# endif /* 64bit */ |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2704 |
# endif /* bcopy4 */ |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2705 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2706 |
# ifdef FAST_MEMCPY |
15004 | 2707 |
bcopy(src, dst, count); |
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2708 |
# else |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2709 |
# ifdef __UNROLL_LOOPS__ |
15004 | 2710 |
while (count >= 8) { |
2711 |
dst[0] = src[0]; dst[1] = src[1]; |
|
2712 |
dst[2] = src[2]; dst[3] = src[3]; |
|
2713 |
dst[4] = src[4]; dst[5] = src[5]; |
|
2714 |
dst[6] = src[6]; dst[7] = src[7]; |
|
2715 |
dst += 8; src += 8; |
|
2716 |
count -= 8; |
|
2717 |
} |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2718 |
# endif /* __UNROLL_LOOPS__ */ |
15004 | 2719 |
while (count-- > 0) { |
2720 |
*dst++ = *src++; |
|
2721 |
} |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2722 |
# endif |
15004 | 2723 |
RETURN ( self ); |
2724 |
} |
|
2725 |
} |
|
2726 |
} |
|
2727 |
} |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2728 |
} |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2729 |
fallBack: ; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2730 |
#endif |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2731 |
%}. |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2732 |
" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2733 |
fall back in case of non-ByteArray argument, |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2734 |
or for the error report if any index is invalid |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2735 |
" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2736 |
self slowReplaceBytesFrom:start to:stop with:aCollection startingAt:repStart |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2737 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2738 |
" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2739 |
#[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16] |
15004 | 2740 |
copy |
2741 |
replaceFrom:1 to:8 |
|
2742 |
with:#[10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160] |
|
2743 |
startingAt:1 |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2744 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2745 |
#[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16] |
15004 | 2746 |
copy |
2747 |
replaceFrom:3 to:10 |
|
2748 |
with:#[10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160] |
|
2749 |
startingAt:1 |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2750 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2751 |
#[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16] |
15004 | 2752 |
copy |
2753 |
replaceFrom:3 to:4 |
|
2754 |
with:#[10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160] |
|
2755 |
startingAt:1 |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2756 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2757 |
#[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16] |
15004 | 2758 |
copy |
2759 |
replaceFrom:0 to:9 |
|
2760 |
with:#[10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160] |
|
2761 |
startingAt:1 |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2762 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2763 |
#[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16] |
15004 | 2764 |
copy |
2765 |
replaceFrom:1 to:10 |
|
2766 |
with:#[10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160] |
|
2767 |
startingAt:0 |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2768 |
" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2769 |
! |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2770 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2771 |
replaceBytesFrom:startIndex with:replacementCollection startingAt:repStartIndex |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2772 |
"replace elements from another collection, which must be |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2773 |
byte-array-like. |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2774 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2775 |
Notice: This operation modifies the receiver, NOT a copy; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2776 |
therefore the change may affect all others referencing the receiver." |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2777 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2778 |
^ self |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2779 |
replaceBytesFrom:startIndex |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2780 |
to:(startIndex + replacementCollection size - repStartIndex) |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2781 |
with:replacementCollection |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2782 |
startingAt:repStartIndex |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2783 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2784 |
" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2785 |
args: startIndex : <integer> |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2786 |
replacementCollection : <collection of <bytes> > |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2787 |
repStartIndex : <integer> |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2788 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2789 |
returns: self |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2790 |
" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2791 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2792 |
"Created: / 27.7.1998 / 16:56:46 / cg" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2793 |
"Modified: / 27.7.1998 / 16:58:38 / cg" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2794 |
! |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2795 |
|
13902 | 2796 |
replaceBytesWith:replacementCollection |
2797 |
"replace elements from another collection, which must be byte-array-like. |
|
2798 |
Replace stops at whichever collection is smaller. |
|
2799 |
||
2800 |
Notice: This operation modifies the receiver, NOT a copy; |
|
2801 |
therefore the change may affect all others referencing the receiver." |
|
2802 |
||
2803 |
^ self |
|
15004 | 2804 |
replaceBytesFrom:1 |
2805 |
to:(replacementCollection size min:self size) |
|
2806 |
with:replacementCollection |
|
2807 |
startingAt:1 |
|
13902 | 2808 |
|
2809 |
" |
|
15004 | 2810 |
(ByteArray new:10) replaceBytesWith:'hello' |
2811 |
(ByteArray new:10) replaceBytesWith:'hello world bla bla bla' |
|
13902 | 2812 |
" |
2813 |
||
2814 |
"Created: / 09-01-2012 / 16:18:10 / cg" |
|
2815 |
! |
|
2816 |
||
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2817 |
replaceFrom:startIndex to:stopIndex with:aCollection startingAt:repStartIndex |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2818 |
"replace elements in the receiver between index start and stop, |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2819 |
with elements taken from replacementCollection starting at repStart. |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2820 |
Return the receiver. |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2821 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2822 |
Notice: This operation modifies the receiver, NOT a copy; |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2823 |
therefore the change may affect all others referencing the receiver." |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2824 |
|
14131
3b0cb7751a71
changed: #replaceFrom:to:with:startingAt:
Claus Gittinger <cg@exept.de>
parents:
14082
diff
changeset
|
2825 |
self class isBytes ifTrue:[ |
15004 | 2826 |
((aCollection class == self class) |
2827 |
or:[aCollection isByteCollection]) ifTrue:[ |
|
2828 |
^ self replaceBytesFrom:startIndex to:stopIndex with:aCollection startingAt:repStartIndex |
|
2829 |
]. |
|
7252
82cd08881a2a
abstract replaceBytes fallback is required (lead to recursion)
Claus Gittinger <cg@exept.de>
parents:
7218
diff
changeset
|
2830 |
]. |
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2831 |
^ super replaceFrom:startIndex to:stopIndex with:aCollection startingAt:repStartIndex |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2832 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2833 |
" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2834 |
args: startIndex : <integer> |
15004 | 2835 |
stopIndex : <integer> |
2836 |
replacementCollection : <collection of <bytes> > |
|
2837 |
repStartIndex : <integer> |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2838 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2839 |
returns: self |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2840 |
" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2841 |
|
14131
3b0cb7751a71
changed: #replaceFrom:to:with:startingAt:
Claus Gittinger <cg@exept.de>
parents:
14082
diff
changeset
|
2842 |
"Modified: / 08-05-2012 / 13:23:27 / cg" |
4782 | 2843 |
! ! |
2844 |
||
12757 | 2845 |
!UninterpretedBytes methodsFor:'hashing'! |
2846 |
||
2847 |
computeXorHashFrom:startIndex to:endIndex |
|
2848 |
"compute and answer the SmallInteger-Hash of the bytes |
|
2849 |
from startIndex to endIndex. |
|
2850 |
If endindex = 0 or endIndex > size, hash up the size. |
|
2851 |
||
2852 |
NOTE: startIndex and endIndex are only hints about what should be hashed. |
|
13575 | 2853 |
In fact, more bytes could be involved in hashing. |
2854 |
SO ARRAYS MUST BE EQUAL TO HASH TO THE SAME VALUE" |
|
12757 | 2855 |
|
2856 |
|w| |
|
2857 |
||
2858 |
%{ |
|
2859 |
if (__bothSmallInteger(startIndex, endIndex)) { |
|
13575 | 2860 |
unsigned char *cp; |
2861 |
INT sz; |
|
2862 |
||
2863 |
__fetchBytePointerAndSize__(self, &cp, &sz); |
|
2864 |
if (cp) { |
|
2865 |
INT sidx = ((unsigned INT)__smallIntegerVal(startIndex)) - 1; |
|
2866 |
INT eidx = ((unsigned INT)__smallIntegerVal(endIndex)) - 1; |
|
2867 |
unsigned char *ep; |
|
2868 |
unsigned INT hash = 0, hash2 = 0, carry; |
|
2869 |
int i; |
|
2870 |
||
2871 |
if (eidx < 0 || eidx >= sz) eidx = sz - 1; |
|
2872 |
if (sidx > eidx) sidx = eidx; |
|
2873 |
if (sidx < 0) { |
|
2874 |
RETURN(__mkSmallInteger(0)); |
|
2875 |
} |
|
2876 |
||
2877 |
ep = cp + eidx; |
|
2878 |
cp += sidx; |
|
12757 | 2879 |
|
2880 |
#if 0 |
|
13575 | 2881 |
/* |
2882 |
* On LSB-First (little endian) cpus, |
|
2883 |
* this code does not produce the same result |
|
2884 |
* if the same bytes are at different positions |
|
2885 |
*/ |
|
2886 |
||
2887 |
if ((INT)cp & (sizeof(INT)-1)) { |
|
2888 |
/* not aligned */ |
|
2889 |
||
2890 |
for (i=0; cp <= ep; cp++) { |
|
2891 |
hash2 = (hash2 << 8) | *cp; |
|
2892 |
if (++i == sizeof(INT)) { |
|
2893 |
hash ^= hash2; |
|
2894 |
i = hash2 = 0; |
|
2895 |
} |
|
2896 |
} |
|
2897 |
} else { |
|
2898 |
/* aligned */ |
|
2899 |
for (; cp+sizeof(INT) <= ep; cp += sizeof(INT)) { |
|
2900 |
hash ^= *(unsigned INT *)cp; |
|
2901 |
} |
|
2902 |
for (; cp <= ep; cp++) { |
|
2903 |
hash2 = (hash2 << 8) | *cp; |
|
2904 |
} |
|
2905 |
} |
|
12757 | 2906 |
#else |
13575 | 2907 |
for (i=0; cp <= ep-sizeof(INT); cp += sizeof(INT)) { |
2908 |
hash2 = cp[0]; |
|
2909 |
hash2 = (hash2 << 8) | cp[1]; |
|
2910 |
hash2 = (hash2 << 8) | cp[2]; |
|
2911 |
hash2 = (hash2 << 8) | cp[3]; |
|
12757 | 2912 |
#if __POINTER_SIZE__ == 8 |
13575 | 2913 |
hash2 = (hash2 << 8) | cp[4]; |
2914 |
hash2 = (hash2 << 8) | cp[5]; |
|
2915 |
hash2 = (hash2 << 8) | cp[6]; |
|
2916 |
hash2 = (hash2 << 8) | cp[7]; |
|
12757 | 2917 |
#endif |
13575 | 2918 |
/* |
2919 |
* multiply by large prime to scramble bits and |
|
2920 |
* to avoid a 0 result from |
|
2921 |
* #[1 2 3 4 1 2 3 4] computeXorHashFrom:1 to:8. |
|
2922 |
*/ |
|
2923 |
hash ^= (hash * 31415821) ^ hash2; |
|
2924 |
} |
|
2925 |
for (hash2 = 0; cp <= ep; cp++) { |
|
2926 |
hash2 = (hash2 << 8) | *cp; |
|
2927 |
} |
|
12757 | 2928 |
#endif |
13575 | 2929 |
hash ^= (hash * 31415821) ^ hash2; |
2930 |
||
2931 |
/* |
|
2932 |
* fold the high bits not fitting into a SmallInteger |
|
2933 |
*/ |
|
2934 |
carry = hash & ~_MAX_INT; |
|
2935 |
if (carry) { |
|
2936 |
hash = (hash & _MAX_INT) ^ (carry >> 8); |
|
2937 |
} |
|
2938 |
||
2939 |
RETURN(__mkSmallInteger(hash)); |
|
2940 |
} |
|
12757 | 2941 |
} |
2942 |
%}. |
|
2943 |
||
2944 |
^ self primitiveFailed |
|
2945 |
||
2946 |
" |
|
2947 |
#[1 2 3 4] computeXorHashFrom:1 to:4. |
|
2948 |
#[1 2 3 4] computeXorHashFrom:1 to:32. |
|
2949 |
#[1 2 3 4] computeXorHashFrom:1 to:0. |
|
2950 |
#[1 2 3 4 5] computeXorHashFrom:1 to:4. |
|
2951 |
#[1 2 3 4 1 2 3 4] computeXorHashFrom:1 to:8. |
|
2952 |
#[1 2 3 4 5 6 7 8] computeXorHashFrom:2 to:8. |
|
2953 |
#[2 3 4 5 6 7 8] computeXorHashFrom:1 to:7. |
|
2954 |
" |
|
2955 |
! ! |
|
2956 |
||
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2957 |
!UninterpretedBytes methodsFor:'image manipulation support'! |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2958 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2959 |
copyReverse |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2960 |
"create a copy of myself with elements reversed in order" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2961 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2962 |
^ self copy reverse |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2963 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2964 |
" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2965 |
#[1 2 3 4 5] copyReverse |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2966 |
#[1 2 3 4] copyReverse |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2967 |
" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2968 |
! ! |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2969 |
|
14131
3b0cb7751a71
changed: #replaceFrom:to:with:startingAt:
Claus Gittinger <cg@exept.de>
parents:
14082
diff
changeset
|
2970 |
|
3363
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2971 |
!UninterpretedBytes methodsFor:'misc'! |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2972 |
|
13575 | 2973 |
swapLongAt:byteIndex |
3433 | 2974 |
"swap the byteOrder of a long. |
2975 |
The index is a smalltalk index (i.e. 1-based)." |
|
3363
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2976 |
|
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2977 |
|t| |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2978 |
|
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2979 |
t := self byteAt:byteIndex. |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2980 |
self byteAt:byteIndex put:(self byteAt:(byteIndex + 3)). |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2981 |
self byteAt:(byteIndex + 3) put:t. |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2982 |
t := self byteAt:(byteIndex + 1). |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2983 |
self byteAt:(byteIndex + 1) put:(self byteAt:(byteIndex + 2)). |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2984 |
self byteAt:(byteIndex + 2) put:t |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2985 |
|
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2986 |
"Created: / 3.4.1998 / 13:37:01 / cg" |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2987 |
! ! |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
2988 |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2989 |
!UninterpretedBytes methodsFor:'private'! |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2990 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2991 |
slowReplaceBytesFrom:start to:stop with:sourceBytes startingAt:sourceIndex |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2992 |
"fallback if primitive code fails" |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2993 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2994 |
|srcIdx| |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2995 |
|
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2996 |
srcIdx := sourceIndex. |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
2997 |
start to:stop do:[:dstIdx | |
14082 | 2998 |
self at:dstIdx put:(sourceBytes at:srcIdx). |
2999 |
srcIdx := srcIdx + 1 |
|
12769
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
3000 |
]. |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
3001 |
! ! |
435668a20ddd
Prepare for changing superclass of CharacterArray from ByteArray to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
12757
diff
changeset
|
3002 |
|
3323 | 3003 |
!UninterpretedBytes methodsFor:'queries'! |
3004 |
||
7218
b798be6d632f
elementBoundsError -> elementBoundsError:
Claus Gittinger <cg@exept.de>
parents:
7197
diff
changeset
|
3005 |
defaultElement |
b798be6d632f
elementBoundsError -> elementBoundsError:
Claus Gittinger <cg@exept.de>
parents:
7197
diff
changeset
|
3006 |
^ 0 |
b798be6d632f
elementBoundsError -> elementBoundsError:
Claus Gittinger <cg@exept.de>
parents:
7197
diff
changeset
|
3007 |
! |
b798be6d632f
elementBoundsError -> elementBoundsError:
Claus Gittinger <cg@exept.de>
parents:
7197
diff
changeset
|
3008 |
|
3323 | 3009 |
sizeInBytes |
3010 |
"return the number of 8-bit bytes in the receiver. |
|
3011 |
This is needed since subclasse may redefine #size (TwoByteString)" |
|
3012 |
||
3013 |
^ super size |
|
3014 |
||
3015 |
"Created: / 5.3.1998 / 10:41:13 / stefan" |
|
3016 |
! ! |
|
3017 |
||
8986 | 3018 |
!UninterpretedBytes methodsFor:'testing'! |
3019 |
||
3020 |
isByteCollection |
|
3021 |
"return true, if the receiver has access methods for bytes; |
|
3022 |
true is returned here - the method is redefined from Object." |
|
3023 |
||
3024 |
^ true |
|
9005 | 3025 |
! |
3026 |
||
3027 |
isNonByteCollection |
|
3028 |
"return true, if the receiver is some kind of collection, but not a String, ByteArray etc.; |
|
3029 |
false is returned here - the method is redefined from Collection." |
|
3030 |
||
3031 |
^ false |
|
8986 | 3032 |
! ! |
3033 |
||
11009
fb66915c5bb5
changed #acceptVisitor:with: - moved to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
10676
diff
changeset
|
3034 |
!UninterpretedBytes methodsFor:'visiting'! |
fb66915c5bb5
changed #acceptVisitor:with: - moved to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
10676
diff
changeset
|
3035 |
|
fb66915c5bb5
changed #acceptVisitor:with: - moved to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
10676
diff
changeset
|
3036 |
acceptVisitor:aVisitor with:aParameter |
16719 | 3037 |
"dispatch for visitor pattern; send #visitByteArray:with: to aVisitor." |
11009
fb66915c5bb5
changed #acceptVisitor:with: - moved to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
10676
diff
changeset
|
3038 |
|
fb66915c5bb5
changed #acceptVisitor:with: - moved to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
10676
diff
changeset
|
3039 |
^ aVisitor visitByteArray:self with:aParameter |
fb66915c5bb5
changed #acceptVisitor:with: - moved to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
10676
diff
changeset
|
3040 |
! ! |
fb66915c5bb5
changed #acceptVisitor:with: - moved to UninterpretedBytes
Stefan Vogel <sv@exept.de>
parents:
10676
diff
changeset
|
3041 |
|
695 | 3042 |
!UninterpretedBytes class methodsFor:'documentation'! |
3043 |
||
3044 |
version |
|
16719 | 3045 |
^ '$Header: /cvs/stx/stx/libbasic/UninterpretedBytes.st,v 1.97 2014-07-09 16:20:24 cg Exp $' |
12253
c933c6fcdeef
changed: #fromHexStringWithSeparators:
Claus Gittinger <cg@exept.de>
parents:
11973
diff
changeset
|
3046 |
! |
c933c6fcdeef
changed: #fromHexStringWithSeparators:
Claus Gittinger <cg@exept.de>
parents:
11973
diff
changeset
|
3047 |
|
c933c6fcdeef
changed: #fromHexStringWithSeparators:
Claus Gittinger <cg@exept.de>
parents:
11973
diff
changeset
|
3048 |
version_CVS |
16719 | 3049 |
^ '$Header: /cvs/stx/stx/libbasic/UninterpretedBytes.st,v 1.97 2014-07-09 16:20:24 cg Exp $' |
695 | 3050 |
! ! |
15087 | 3051 |