author | Claus Gittinger <cg@exept.de> |
Fri, 08 May 1998 12:29:18 +0200 | |
changeset 3425 | f7faef75f0d8 |
parent 3410 | 93393f1c1022 |
child 3433 | a94725308432 |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1993 by Claus Gittinger |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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13 |
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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!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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All Rights Reserved |
88 | 26 |
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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 |
|
29 |
inclusion of the above copyright notice. This software may not |
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30 |
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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38 |
UninterpretedBytes provides the common protocol for byte-storage |
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39 |
containers; concrete subclasses are |
a6e3c98e2a8e
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parents:
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40 |
ByteArray (which store the bytes within the |
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41 |
Smalltalk object memory) |
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42 |
and |
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parents:
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43 |
ExternalBytes (which store the bytes in the malloc-heap). |
a6e3c98e2a8e
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parents:
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44 |
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UninterpretedBytes itself is abstract, so no instances of it can be created. |
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[author:] |
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48 |
Claus Gittinger |
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49 |
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[See also:] |
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51 |
ByteArray String ExternalBytes |
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[author:] |
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Claus Gittinger |
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" |
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! ! |
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!UninterpretedBytes class methodsFor:'initialization'! |
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checkByteOrder |
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"initialize our current byteOrder. |
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Must be called at system init time and on snapshot restart" |
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IsBigEndian := self isBigEndian. |
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"Created: / 5.3.1998 / 14:51:41 / stefan" |
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! |
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initialize |
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"get the byte order" |
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self checkByteOrder. |
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"want to be informed when returning from snapshot" |
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ObjectMemory dependents addDependent:self |
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"Created: / 5.3.1998 / 14:46:31 / stefan" |
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"Modified: / 5.3.1998 / 14:53:28 / stefan" |
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! |
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update:something with:aParameter from:changedObject |
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"handle image restarts and reget the byte order" |
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(something == #returnFromSnapshot) ifTrue:[ |
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self checkByteOrder. |
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] |
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"Created: / 5.3.1998 / 14:55:13 / stefan" |
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! ! |
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!UninterpretedBytes class methodsFor:'instance creation'! |
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from:aCollection |
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^ ByteArray from:aCollection |
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"Created: / 3.4.1998 / 13:29:50 / cg" |
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"Modified: / 3.4.1998 / 13:30:12 / cg" |
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! ! |
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!UninterpretedBytes class methodsFor:'queries'! |
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isBigEndian |
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"return true, if words/shorts store the most-significant |
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byte first (MSB), false if least-sign.-first (LSB). |
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I.e. false for vax, intel; true for m68k, sun." |
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%{ /* NOCONTEXT */ |
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/* |
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* I dont like ifdefs - you always forget some ... |
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* therefore we look into a structure at run-time |
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*/ |
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union { |
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unsigned int u_l; |
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char u_c[sizeof(int)]; |
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} u; |
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u.u_l = 0x87654321; |
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if (u.u_c[0] == 0x21) RETURN (false); |
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RETURN (true); |
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%} |
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"UninterpretedBytes isBigEndian" |
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! |
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124 |
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isBuiltInClass |
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"return true if this class is known by the run-time-system. |
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Here, true is returned, since UninterpretedBytes is the superclass of |
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some builtIn classes (ByteArray & ExternalBytes)" |
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129 |
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^ self == UninterpretedBytes |
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"Modified: / 23.4.1996 / 15:56:25 / cg" |
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"Modified: / 5.3.1998 / 14:56:22 / stefan" |
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! ! |
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parents:
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135 |
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!UninterpretedBytes methodsFor:'accessing'! |
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137 |
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138 |
byteAt:index |
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139 |
"return the byte at index. |
a6e3c98e2a8e
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parents:
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140 |
For ByteArray, this is the same as basicAt:; |
a6e3c98e2a8e
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parents:
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141 |
however, for strings or symbols, this returns a numeric byteValue |
a6e3c98e2a8e
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142 |
instead of a character." |
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143 |
|
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144 |
^ self subclassResponsibility |
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145 |
! |
a6e3c98e2a8e
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parents:
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146 |
|
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parents:
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147 |
byteAt:index put:value |
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parents:
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148 |
"set the byte at index. For ByteArray, this is the same as basicAt:put:. |
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parents:
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149 |
However, for Strings, this expects a byteValue to be stored." |
a6e3c98e2a8e
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150 |
|
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151 |
^ self subclassResponsibility |
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152 |
! |
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153 |
|
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154 |
doubleAt:index |
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155 |
"return the 8-bytes starting at index as a Float. |
a6e3c98e2a8e
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156 |
Notice, that (currently) ST/X Floats are what Doubles are in ST-80. |
a6e3c98e2a8e
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parents:
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157 |
Notice also, that the bytes are expected to be in this machines |
a6e3c98e2a8e
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parents:
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158 |
float representation - if the bytearray originated from another |
a6e3c98e2a8e
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parents:
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159 |
machine, some conversion is usually needed." |
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parents:
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160 |
|
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161 |
|newFloat| |
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162 |
|
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163 |
newFloat := Float basicNew. |
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164 |
1 to:8 do:[:destIndex| |
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165 |
newFloat basicAt:destIndex put:(self at:index - 1 + destIndex) |
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166 |
]. |
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parents:
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167 |
^ newFloat. |
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168 |
! |
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parents:
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169 |
|
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170 |
doubleAt:index put:aFloat |
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171 |
"store the value of the argument, aFloat into the receiver |
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172 |
starting at index. |
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parents:
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changeset
|
173 |
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:
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diff
changeset
|
174 |
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
|
175 |
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
|
176 |
machine, some conversion is usually needed." |
a6e3c98e2a8e
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Claus Gittinger <cg@exept.de>
parents:
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177 |
|
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parents:
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178 |
|flt| |
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179 |
|
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180 |
flt := aFloat asFloat. |
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181 |
1 to:8 do:[:srcIndex| |
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182 |
self at:index - 1 + srcIndex put:(flt basicAt:srcIndex) |
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183 |
]. |
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parents:
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184 |
^ aFloat |
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185 |
! |
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parents:
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186 |
|
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187 |
doubleWordAt:index |
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188 |
"return the 4-bytes starting at index as an (unsigned) Integer. |
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189 |
The value is retrieved in the machines natural byte order. |
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190 |
Subclasses may redefine this for better performance." |
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191 |
|
3323 | 192 |
^ self doubleWordAt:index MSB:IsBigEndian |
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193 |
|
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194 |
" |
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195 |
|b| |
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|
196 |
|
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197 |
b := ByteArray withAll:#(1 2 3 4). |
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198 |
(b doubleWordAt:1) printStringRadix:16 |
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199 |
" |
3323 | 200 |
|
201 |
"Modified: / 5.3.1998 / 14:57:35 / stefan" |
|
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202 |
! |
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|
203 |
|
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204 |
doubleWordAt:index MSB:msb |
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205 |
"return the 4-bytes starting at index as an (unsigned) Integer. |
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|
206 |
The value is retrieved MSB-first, if the msb-arg is true; |
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|
207 |
LSB-first otherwise. |
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208 |
Subclasses may redefine this for better performance." |
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|
209 |
|
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210 |
|val |
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211 |
ival "{ Class: SmallInteger }" |
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212 |
i "{ Class: SmallInteger }" |
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213 |
b1 "{ Class: SmallInteger }" |
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214 |
b2 "{ Class: SmallInteger }" |
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215 |
b3 "{ Class: SmallInteger }" |
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216 |
b4 "{ Class: SmallInteger }"| |
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217 |
|
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218 |
i := index. |
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219 |
b1 := self at:i. |
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220 |
b2 := self at:(i+1). |
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221 |
b3 := self at:(i+2). |
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222 |
b4 := self at:(i+3). |
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223 |
|
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224 |
msb ifTrue:[ |
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225 |
ival := b1. |
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226 |
ival := (ival bitShift:8) + b2. |
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227 |
ival := (ival bitShift:8) + b3. |
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228 |
val := (ival * 256) + b4. |
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229 |
] ifFalse:[ |
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230 |
ival := b4. |
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|
231 |
ival := (ival bitShift:8) + b3. |
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|
232 |
ival := (ival bitShift:8) + b2. |
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|
233 |
val := (ival * 256) + b1. |
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|
234 |
]. |
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|
235 |
^ val |
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|
236 |
|
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|
237 |
" |
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|
238 |
|b| |
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|
239 |
|
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|
240 |
b := ByteArray withAll:#(1 2 3 4). |
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|
241 |
(b doubleWordAt:1 MSB:true) printStringRadix:16. |
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|
242 |
(b doubleWordAt:1 MSB:false) printStringRadix:16 |
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|
243 |
" |
3212
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changeset
|
244 |
|
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|
245 |
"Modified: / 21.1.1998 / 17:42:30 / cg" |
3207
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|
246 |
! |
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changeset
|
247 |
|
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|
248 |
doubleWordAt:index put:value |
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|
249 |
"set the 4-bytes starting at index from the (unsigned) Integer value. |
a6e3c98e2a8e
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changeset
|
250 |
The value should be in the range 0 to 16rFFFFFFFF |
a6e3c98e2a8e
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|
251 |
(for negative values, the stored value is not defined). |
a6e3c98e2a8e
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|
252 |
The value is stored in the machines natural byte order. |
a6e3c98e2a8e
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|
253 |
Subclasses may redefine this for better performance." |
a6e3c98e2a8e
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|
254 |
|
3323 | 255 |
^ self doubleWordAt:index put:value MSB:IsBigEndian |
3207
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changeset
|
256 |
|
a6e3c98e2a8e
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|
257 |
" |
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|
258 |
|b| |
a6e3c98e2a8e
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|
259 |
b := ByteArray new:4. |
a6e3c98e2a8e
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|
260 |
b doubleWordAt:1 put:16r04030201. |
a6e3c98e2a8e
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changeset
|
261 |
b inspect |
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|
262 |
" |
3323 | 263 |
|
264 |
"Modified: / 5.3.1998 / 14:57:48 / stefan" |
|
3207
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changeset
|
265 |
! |
a6e3c98e2a8e
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changeset
|
266 |
|
3212
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changeset
|
267 |
doubleWordAt:index put:aNumber MSB:msb |
3207
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changeset
|
268 |
"set the 4-bytes starting at index from the (unsigned) Integer value. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
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changeset
|
269 |
The value must be in the range 0 to 16rFFFFFFFF. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
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changeset
|
270 |
The value is stored MSB-first if msb is true; LSB-first otherwise. |
a6e3c98e2a8e
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changeset
|
271 |
Subclasses may redefine this for better performance." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
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|
272 |
|
3323 | 273 |
|i "{ Class: SmallInteger }" | |
3207
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|
274 |
|
3212
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|
275 |
((aNumber < 0) or:[aNumber > 16rFFFFFFFF]) ifTrue:[ |
b8cc18f8691b
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|
276 |
^ self elementBoundsError |
3207
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|
277 |
]. |
3212
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changeset
|
278 |
|
b8cc18f8691b
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changeset
|
279 |
i := index. |
3207
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changeset
|
280 |
msb ifTrue:[ |
3212
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changeset
|
281 |
self at:i put:(aNumber digitAt:4). |
b8cc18f8691b
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changeset
|
282 |
self at:(i+1) put:(aNumber digitAt:3). |
b8cc18f8691b
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changeset
|
283 |
self at:(i+2) put:(aNumber digitAt:2). |
b8cc18f8691b
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changeset
|
284 |
self at:(i+3) put:(aNumber digitAt:1). |
3207
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changeset
|
285 |
] ifFalse:[ |
3212
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changeset
|
286 |
self at:i put:(aNumber digitAt:1). |
b8cc18f8691b
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changeset
|
287 |
self at:(i+1) put:(aNumber digitAt:2). |
b8cc18f8691b
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changeset
|
288 |
self at:(i+2) put:(aNumber digitAt:3). |
b8cc18f8691b
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changeset
|
289 |
self at:(i+3) put:(aNumber digitAt:4). |
3207
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|
290 |
]. |
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|
291 |
^ aNumber |
3207
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|
292 |
|
a6e3c98e2a8e
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changeset
|
293 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
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|
294 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
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|
295 |
b := ByteArray new:8. |
a6e3c98e2a8e
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changeset
|
296 |
b doubleWordAt:1 put:16r04030201 MSB:true. |
a6e3c98e2a8e
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changeset
|
297 |
b doubleWordAt:5 put:16r04030201 MSB:false. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
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changeset
|
298 |
b inspect |
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merged common protocol of ByteArray and ExternalBytes into this class.
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changeset
|
299 |
" |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
300 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
301 |
"Modified: / 21.1.1998 / 17:43:34 / cg" |
3323 | 302 |
"Modified: / 5.3.1998 / 11:42:17 / stefan" |
3212
b8cc18f8691b
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diff
changeset
|
303 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
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changeset
|
304 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
305 |
doubleWordAtDoubleWordIndex:index |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
306 |
"return the unsigned long at index, anInteger. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
307 |
Fetching in the machines natural byte order. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
308 |
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
|
309 |
accessing the memory as an array of doubleWord entries. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
310 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
311 |
|
3323 | 312 |
^ self doubleWordAtDoubleWordIndex:index MSB:IsBigEndian |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
313 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
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|
314 |
"Created: / 21.1.1998 / 17:43:53 / cg" |
3323 | 315 |
"Modified: / 5.3.1998 / 14:58:06 / stefan" |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
316 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
317 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
318 |
doubleWordAtDoubleWordIndex:index MSB:msb |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
319 |
"return the unsigned long at index, anInteger. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
320 |
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
|
321 |
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
|
322 |
accessing the memory as an array of doubleWord entries. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
323 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
324 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
325 |
^ self doubleWordAt:(index - 1 * 4 + 1) MSB:msb |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
326 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
327 |
"Created: / 21.1.1998 / 17:44:07 / cg" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
328 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
329 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
330 |
doubleWordAtDoubleWordIndex:index put:value |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
331 |
"set the long at index, anInteger. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
332 |
Storing in the machines natural byte order. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
333 |
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
|
334 |
accessing the memory as an array of doubleWord entries. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
335 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
336 |
|
3323 | 337 |
^ self doubleWordAtDoubleWordIndex:index put:value MSB:IsBigEndian |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
338 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
339 |
"Created: / 21.1.1998 / 17:44:13 / cg" |
3323 | 340 |
"Modified: / 5.3.1998 / 14:58:19 / stefan" |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
341 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
342 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
343 |
doubleWordAtDoubleWordIndex:index put:value MSB:msb |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
344 |
"set the long at index, anInteger. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
345 |
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
|
346 |
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
|
347 |
accessing the memory as an array of doubleWord entries. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
348 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
349 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
350 |
^ self doubleWordAt:(index - 1 * 4 + 1) put:value MSB:msb |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
351 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
352 |
"Created: / 21.1.1998 / 17:44:19 / cg" |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
353 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
354 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
355 |
floatAt:index |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
356 |
"return the 4-bytes starting at index as a Float. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
357 |
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
|
358 |
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
|
359 |
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
|
360 |
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
|
361 |
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
|
362 |
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
|
363 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
364 |
|newFloat| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
365 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
366 |
newFloat := ShortFloat basicNew. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
367 |
1 to:4 do:[:destIndex| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
368 |
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
|
369 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
370 |
^ newFloat. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
371 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
372 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
373 |
floatAt:index put:aFloat |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
374 |
"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
|
375 |
starting at index. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
376 |
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
|
377 |
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
|
378 |
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
|
379 |
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
|
380 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
381 |
|sflt| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
382 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
383 |
sflt := aFloat asShortFloat. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
384 |
1 to:4 do:[:srcIndex| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
385 |
self at:index - 1 + srcIndex put:(sflt basicAt:srcIndex) |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
386 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
387 |
^ aFloat |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
388 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
389 |
|
3323 | 390 |
ieeeDoubleAt:index |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
391 |
"retrieve the 8 bytes starting at index as a float. |
3323 | 392 |
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
|
393 |
number format." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
394 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
395 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
396 |
currently, we assume that the machines native number format is already |
3323 | 397 |
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
|
398 |
to an IBM 370 or old VAX etc. |
3323 | 399 |
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
|
400 |
no problem. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
401 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
402 |
^ self doubleAt:index |
3323 | 403 |
|
404 |
"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
|
405 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
406 |
|
3323 | 407 |
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
|
408 |
"store the value of the argument, aFloat into the receiver |
3323 | 409 |
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
|
410 |
(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
|
411 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
412 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
413 |
currently, we assume that the machines native number format is already |
3323 | 414 |
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
|
415 |
to an IBM 370 or old VAX etc. |
3323 | 416 |
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
|
417 |
no problem. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
418 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
419 |
^ self doubleAt:index put:aFloat |
3323 | 420 |
|
421 |
"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
|
422 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
423 |
|
3323 | 424 |
ieeeFloatAt:index |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
425 |
"retrieve the 4 bytes starting at index as a float. |
3323 | 426 |
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
|
427 |
number format." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
428 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
429 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
430 |
currently, we assume that the machines native number format is already |
3323 | 431 |
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
|
432 |
to an IBM 370 or old VAX etc. |
3323 | 433 |
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
|
434 |
no problem. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
435 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
436 |
^ self floatAt:index |
3323 | 437 |
|
438 |
"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
|
439 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
440 |
|
3323 | 441 |
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
|
442 |
"store the value of the argument, aFloat into the receiver |
3323 | 443 |
starting at index. 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
|
444 |
(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
|
445 |
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
|
446 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
447 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
448 |
currently, we assume that the machines native number format is already |
3323 | 449 |
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
|
450 |
to an IBM 370 or old VAX etc. |
3323 | 451 |
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
|
452 |
no problem. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
453 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
454 |
^ self floatAt:index put:aFloat |
3323 | 455 |
|
456 |
"Created: / 5.3.1998 / 10:51:11 / stefan" |
|
457 |
! |
|
458 |
||
459 |
longAt:index |
|
460 |
"return the 4-bytes starting at index as a signed Integer. |
|
461 |
The value is retrieved in the machines natural byte order. |
|
462 |
This may be worth a primitive." |
|
463 |
||
464 |
|w| |
|
465 |
||
466 |
w := self unsignedLongAt:index. |
|
467 |
(w > (16r7FFFFFFF)) ifTrue:[ |
|
468 |
^ w - (16r100000000) |
|
469 |
]. |
|
470 |
^ w |
|
471 |
||
472 |
" |
|
473 |
|b| |
|
474 |
b := ByteArray new:4. |
|
475 |
b unsignedLongAt:1 put:16rFFFFFFFF. |
|
476 |
(b longAt:1) |
|
477 |
" |
|
478 |
||
479 |
"Modified: / 1.7.1996 / 21:11:28 / cg" |
|
480 |
"Modified: / 5.3.1998 / 12:06:28 / stefan" |
|
481 |
! |
|
482 |
||
483 |
longAt:index bigEndian:msb |
|
484 |
"return the 4-bytes starting at index as a signed Integer. |
|
485 |
Depending on msb, the value is retrieved MSB-first or LSB-first. |
|
486 |
This may be worth a primitive." |
|
487 |
||
488 |
|w| |
|
489 |
||
490 |
w := self unsignedLongAt:index bigEndian:msb. |
|
491 |
(w > (16r7FFFFFFF)) ifTrue:[ |
|
492 |
^ w - (16r100000000) |
|
493 |
]. |
|
494 |
^ w |
|
495 |
||
496 |
" |
|
497 |
|b| |
|
498 |
b := ByteArray new:4. |
|
499 |
b unsignedLongAt:1 put:16rFFFFFFFF. |
|
500 |
(b longAt:1) |
|
501 |
" |
|
502 |
||
503 |
"Modified: / 1.7.1996 / 21:11:33 / cg" |
|
504 |
"Created: / 5.3.1998 / 14:02:03 / stefan" |
|
505 |
! |
|
506 |
||
507 |
longAt:index put:value |
|
508 |
"set the 4-bytes starting at index from the signed Integer value. |
|
509 |
The value is stored in the machines natural byte order. |
|
510 |
This may be worth a primitive. |
|
511 |
||
512 |
This is the ST80 version of #signedDoubleWordAt:put:" |
|
513 |
||
514 |
|v| |
|
515 |
||
516 |
value >= 0 ifTrue:[ |
|
517 |
v := value |
|
518 |
] ifFalse:[ |
|
519 |
v := value + 16r100000000 |
|
520 |
]. |
|
521 |
self unsignedLongAt:index put:v. |
|
522 |
^ value |
|
523 |
||
524 |
" |
|
525 |
|b| |
|
526 |
b := ByteArray new:4. |
|
527 |
b longAt:1 put:-1. |
|
528 |
(b unsignedLongAt:1) printStringRadix:16 |
|
529 |
" |
|
530 |
||
531 |
"Modified: / 1.7.1996 / 21:11:39 / cg" |
|
532 |
"Created: / 5.3.1998 / 10:57:18 / stefan" |
|
533 |
! |
|
534 |
||
535 |
longLongAt:index |
|
536 |
"return the 4-bytes starting at index as a signed Integer. |
|
537 |
The value is retrieved in the machines natural byte order. |
|
538 |
This may be worth a primitive." |
|
539 |
||
540 |
|w| |
|
541 |
||
542 |
w := self unsignedLongLongAt:index bigEndian:IsBigEndian. |
|
543 |
(w > (16r7FFFFFFFFFFFFFFF)) ifTrue:[ |
|
544 |
^ w - (16r10000000000000000) |
|
545 |
]. |
|
546 |
^ w |
|
547 |
||
548 |
" |
|
549 |
|b| |
|
550 |
b := ByteArray new:4. |
|
551 |
b unsignedLongLongAt:1 put:16rFFFFFFFFFFFFFFFF. |
|
552 |
(b longLongAt:1) |
|
553 |
" |
|
554 |
||
555 |
"Modified: / 1.7.1996 / 21:11:28 / cg" |
|
556 |
"Created: / 5.3.1998 / 14:40:05 / stefan" |
|
557 |
"Modified: / 5.3.1998 / 14:58:32 / stefan" |
|
558 |
! |
|
559 |
||
560 |
longLongAt:index bigEndian:msb |
|
561 |
"return the 4-bytes starting at index as a signed Integer. |
|
562 |
The value is retrieved in the machines natural byte order. |
|
563 |
This may be worth a primitive." |
|
564 |
||
565 |
|w| |
|
566 |
||
567 |
w := self unsignedLongLongAt:index bigEndian:msb. |
|
568 |
(w > (16r7FFFFFFFFFFFFFFF)) ifTrue:[ |
|
569 |
^ w - (16r10000000000000000) |
|
570 |
]. |
|
571 |
^ w |
|
572 |
||
573 |
" |
|
574 |
|b| |
|
575 |
b := ByteArray new:4. |
|
576 |
b unsignedLongLongAt:1 put:16rFFFFFFFFFFFFFFFF. |
|
577 |
(b longLongAt:1 msb:true) |
|
578 |
" |
|
579 |
||
580 |
"Modified: / 1.7.1996 / 21:11:28 / cg" |
|
581 |
"Modified: / 5.3.1998 / 12:06:28 / stefan" |
|
582 |
"Created: / 5.3.1998 / 14:40:54 / stefan" |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
583 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
584 |
|
3363
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
585 |
longLongAt:byteIndex put:anInteger |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
586 |
"store a signed longLong (64bit) integer. |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
587 |
Same as #signedQuadWordAt:put: - for ST80 compatibility." |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
588 |
|
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
589 |
^ self signedQuadWordAt:byteIndex put:anInteger |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
590 |
|
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
591 |
"Modified: / 3.4.1998 / 13:33:14 / cg" |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
592 |
"Created: / 3.4.1998 / 13:34:22 / cg" |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
593 |
! |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
594 |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
595 |
quadWordAt:index MSB:msb |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
596 |
"return the 8-bytes starting at index as an (unsigned) Integer. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
597 |
Depending on msb, the value is retrieved MSB or LSB-first." |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
598 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
599 |
|l |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
600 |
bIdx "{ Class: SmallInteger }" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
601 |
delta "{ Class: SmallInteger }"| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
602 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
603 |
l := LargeInteger basicNew numberOfDigits:8. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
604 |
msb ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
605 |
bIdx := index + 7. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
606 |
delta := -1 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
607 |
] ifFalse:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
608 |
bIdx := index. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
609 |
delta := 1 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
610 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
611 |
1 to:8 do:[:i | |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
612 |
l digitAt:i put:(self basicAt:bIdx). |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
613 |
bIdx := bIdx + delta |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
614 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
615 |
^ l compressed |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
616 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
617 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
618 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
619 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
620 |
b := ByteArray withAll:#(1 2 3 4 5 6 7 8). |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
621 |
(b quadWordAt:1 MSB:false) printStringRadix:16 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
622 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
623 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
624 |
"Modified: 5.11.1996 / 14:06:21 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
625 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
626 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
627 |
quadWordAt:index put:anInteger MSB:msb |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
628 |
"set the 8-bytes starting at index from the (unsigned) Integer value. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
629 |
The value must be in the range 0 to 16rFFFFFFFFFFFFFFFF. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
630 |
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
|
631 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
632 |
|bIdx "{ Class: SmallInteger }" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
633 |
delta "{ Class: SmallInteger }"| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
634 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
635 |
((anInteger < 0) or:[anInteger > 16rFFFFFFFFFFFFFFFF]) ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
636 |
^ self elementBoundsError |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
637 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
638 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
639 |
msb ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
640 |
bIdx := index + 7. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
641 |
delta := -1 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
642 |
] ifFalse:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
643 |
bIdx := index. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
644 |
delta := 1 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
645 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
646 |
1 to:8 do:[:i | |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
647 |
self basicAt:bIdx put:(anInteger digitAt:i). |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
648 |
bIdx := bIdx + delta. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
649 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
650 |
^ anInteger |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
651 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
652 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
653 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
654 |
b := ByteArray new:8. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
655 |
b quadWordAtIndex:1 put:16r0807060504030201 MSB:false. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
656 |
b inspect |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
657 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
658 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
659 |
|
3323 | 660 |
shortAt:index |
661 |
"return the 2-bytes starting at index as a signed Integer. |
|
662 |
The value is retrieved in the machines natural byte order. |
|
663 |
This may be worth a primitive. |
|
664 |
This is the ST80 equivalent of #signedWordAt:" |
|
665 |
||
666 |
^ (self unsignedShortAt:index) signExtendedShortValue |
|
667 |
||
668 |
" |
|
669 |
|b| |
|
670 |
b := ByteArray new:2. |
|
671 |
b unsignedShortAt:1 put:16rFFFF. |
|
672 |
b shortAt:1 |
|
673 |
" |
|
674 |
||
675 |
"Modified: / 1.7.1996 / 21:14:38 / cg" |
|
676 |
"Created: / 5.3.1998 / 10:59:57 / stefan" |
|
677 |
"Modified: / 5.3.1998 / 23:39:38 / stefan" |
|
678 |
! |
|
679 |
||
680 |
shortAt:index bigEndian:msb |
|
681 |
"return the 2-bytes starting at index as a signed Integer. |
|
682 |
The value is retrieved MSB-first, if the msb-arg is true; |
|
683 |
LSB-first otherwise. |
|
684 |
This is the ST80 equivalent of #signedWordAt:" |
|
685 |
||
686 |
^ (self unsignedShortAt:index bigEndian:msb) signExtendedShortValue |
|
687 |
||
688 |
" |
|
689 |
|b| |
|
690 |
b := ByteArray new:2. |
|
691 |
b unsignedShortAt:1 put:16rFFFF. |
|
692 |
b shortAt:1 |
|
693 |
" |
|
694 |
||
695 |
"Modified: / 1.7.1996 / 21:14:38 / cg" |
|
696 |
"Created: / 5.3.1998 / 23:41:21 / stefan" |
|
697 |
! |
|
698 |
||
699 |
shortAt:index put:value |
|
700 |
"set the 2-bytes starting at index from the signed Integer value. |
|
701 |
The stored value must be in the range -32768 .. +32676. |
|
702 |
The value is stored in the machines natural byteorder. |
|
703 |
This may be worth a primitive. |
|
704 |
This is the ST80 equivalent of #signedWordAt:put:" |
|
705 |
||
706 |
||
707 |
|v| |
|
708 |
||
709 |
value >= 0 ifTrue:[ |
|
710 |
v := value |
|
711 |
] ifFalse:[ |
|
712 |
v := 16r10000 + value |
|
713 |
]. |
|
714 |
self unsignedShortAt:index put:v. |
|
715 |
^ value |
|
716 |
||
717 |
" |
|
718 |
|b| |
|
719 |
b := ByteArray new:6. |
|
720 |
b shortAt:1 put:-1. |
|
721 |
b shortAt:3 put:-2. |
|
722 |
b shortAt:5 put:0. |
|
723 |
b inspect |
|
724 |
" |
|
725 |
||
726 |
"Modified: / 1.7.1996 / 21:12:07 / cg" |
|
727 |
"Created: / 5.3.1998 / 11:02:05 / stefan" |
|
728 |
! |
|
729 |
||
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
730 |
signedByteAt:index |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
731 |
"return the byte at index as a signed 8 bit value. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
732 |
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
|
733 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
734 |
^ (self at:index) signExtendedByteValue |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
735 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
736 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
737 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
738 |
b := ByteArray new:2. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
739 |
b at:1 put:16rFF. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
740 |
b at:2 put:16r7F. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
741 |
b signedByteAt:1 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
742 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
743 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
744 |
"Modified: 1.7.1996 / 21:13:53 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
745 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
746 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
747 |
signedByteAt:index put:aSignedByteValue |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
748 |
"return the byte at index as a signed 8 bit value. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
749 |
Return the signedByteValue argument. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
750 |
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
|
751 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
752 |
|b "{ Class: SmallInteger }"| |
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 |
aSignedByteValue >= 0 ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
755 |
b := aSignedByteValue |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
756 |
] ifFalse:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
757 |
b := 16r100 + aSignedByteValue |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
758 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
759 |
self at:index put:b. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
760 |
^ aSignedByteValue |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
761 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
762 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
763 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
764 |
b := ByteArray new:2. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
765 |
b signedByteAt:1 put:-1. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
766 |
b at:1 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
767 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
768 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
769 |
"Modified: 1.7.1996 / 21:12:37 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
770 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
771 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
772 |
signedDoubleWordAt:index |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
773 |
"return the 4-bytes starting at index as a signed Integer. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
774 |
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
|
775 |
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
|
776 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
777 |
|w| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
778 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
779 |
w := self doubleWordAt:index. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
780 |
(w > (16r7FFFFFFF)) ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
781 |
^ w - (16r100000000) |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
782 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
783 |
^ w |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
784 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
785 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
786 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
787 |
b := ByteArray new:4. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
788 |
b doubleWordAt:1 put:16rFFFFFFFF. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
789 |
(b signedDoubleWordAt:1) |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
790 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
791 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
792 |
"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
|
793 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
794 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
795 |
signedDoubleWordAt:index MSB:msb |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
796 |
"return the 4-bytes starting at index as a signed Integer. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
797 |
Depending on msb, the value is retrieved 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
|
798 |
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
|
799 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
800 |
|w| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
801 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
802 |
w := self doubleWordAt:index MSB:msb. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
803 |
(w > (16r7FFFFFFF)) ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
804 |
^ w - (16r100000000) |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
805 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
806 |
^ w |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
807 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
808 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
809 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
810 |
b := ByteArray new:4. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
811 |
b doubleWordAt:1 put:16rFFFFFFFF. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
812 |
(b signedDoubleWordAt:1) |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
813 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
814 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
815 |
"Modified: 1.7.1996 / 21:11:33 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
816 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
817 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
818 |
signedDoubleWordAt:index put:value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
819 |
"set the 4-bytes starting at index from the signed Integer value. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
820 |
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
|
821 |
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
|
822 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
823 |
|v| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
824 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
825 |
value >= 0 ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
826 |
v := value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
827 |
] ifFalse:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
828 |
v := value + 16r100000000 |
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 |
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
|
831 |
^ value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
832 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
833 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
834 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
835 |
b := ByteArray new:4. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
836 |
b signedDoubleWordAt:1 put:-1. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
837 |
(b doubleWordAt:1) printStringRadix:16 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
838 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
839 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
840 |
"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
|
841 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
842 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
843 |
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
|
844 |
"set the 4-bytes starting at index from the signed Integer value. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
845 |
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
|
846 |
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
|
847 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
848 |
|v| |
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 |
value >= 0 ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
851 |
v := value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
852 |
] ifFalse:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
853 |
v := value + 16r100000000 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
854 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
855 |
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
|
856 |
^ value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
857 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
858 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
859 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
860 |
b := ByteArray new:4. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
861 |
b signedDoubleWordAt:1 put:-1. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
862 |
(b doubleWordAt:1) printStringRadix:16 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
863 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
864 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
865 |
"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
|
866 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
867 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
868 |
signedWordAt:index |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
869 |
"return the 2-bytes starting at index as a signed Integer. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
870 |
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
|
871 |
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
|
872 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
873 |
^ (self wordAt:index) signExtendedShortValue |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
874 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
875 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
876 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
877 |
b := ByteArray new:2. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
878 |
b wordAt:1 put:16rFFFF. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
879 |
b signedWordAt:1 |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
880 |
" |
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 |
"Modified: 1.7.1996 / 21:14:38 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
883 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
884 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
885 |
signedWordAt:index MSB:msb |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
886 |
"return the 2-bytes starting at index as a signed Integer. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
887 |
The value is retrieved MSB-first if the msb-arg is true, |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
888 |
LSB-first otherwise. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
889 |
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
|
890 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
891 |
^ (self wordAt:index MSB:msb) signExtendedShortValue |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
892 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
893 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
894 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
895 |
b := ByteArray new:2. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
896 |
b wordAt:1 put:16r0080. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
897 |
b signedWordAt:1 MSB:true. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
898 |
b signedWordAt:1 MSB:false. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
899 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
900 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
901 |
"Modified: 1.7.1996 / 21:15:57 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
902 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
903 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
904 |
signedWordAt:index put:value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
905 |
"set the 2-bytes starting at index from the signed Integer value. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
906 |
The stored value must be in the range -32768 .. +32676. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
907 |
The value is stored in the machines natural byteorder. |
3323 | 908 |
This may be worth a primitive. |
909 |
This is the ST80 equivalent of #signedWordAt:put:" |
|
910 |
||
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
911 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
912 |
|v| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
913 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
914 |
value >= 0 ifTrue:[ |
3323 | 915 |
v := value |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
916 |
] ifFalse:[ |
3323 | 917 |
v := 16r10000 + value |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
918 |
]. |
3323 | 919 |
self unsignedShortAt:index put:v. |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
920 |
^ value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
921 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
922 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
923 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
924 |
b := ByteArray new:6. |
3323 | 925 |
b shortAt:1 put:-1. |
926 |
b shortAt:3 put:-2. |
|
927 |
b shortAt:5 put:0. |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
928 |
b inspect |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
929 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
930 |
|
3323 | 931 |
"Modified: / 1.7.1996 / 21:12:07 / cg" |
932 |
"Modified: / 5.3.1998 / 11:01:30 / stefan" |
|
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
933 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
934 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
935 |
signedWordAt: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
|
936 |
"set the 2-bytes starting at index from the signed Integer value. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
937 |
The stored value must be in the range -32768 .. +32676. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
938 |
The value is stored MSB-first, if the msb-arg is true; |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
939 |
LSB-first otherwise. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
940 |
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
|
941 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
942 |
|v| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
943 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
944 |
value >= 0 ifTrue:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
945 |
v := value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
946 |
] ifFalse:[ |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
947 |
v := 16r10000 + value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
948 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
949 |
self wordAt: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
|
950 |
^ value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
951 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
952 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
953 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
954 |
b := ByteArray new:4. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
955 |
b signedWordAt:1 put:-1. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
956 |
b signedWordAt:3 put:-2. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
957 |
b inspect |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
958 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
959 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
960 |
"Modified: 1.7.1996 / 21:12:13 / cg" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
961 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
962 |
|
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
963 |
stringAt:index |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
964 |
"return a string starting at index up to the 0-byte" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
965 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
966 |
|stream i "{ Class: SmallInteger }" c| |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
967 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
968 |
stream := WriteStream on:''. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
969 |
i := index. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
970 |
[(c := self basicAt:i) ~~ 0] whileTrue:[ |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
971 |
stream nextPut:(Character value:c). |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
972 |
i := i + 1. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
973 |
]. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
974 |
^ stream contents |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
975 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
976 |
"Created: / 21.1.1998 / 17:44:50 / cg" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
977 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
978 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
979 |
stringAt:index put:aString |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
980 |
"copy aString to the externalBytes, starting at index up to |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
981 |
(and including) the 0-byte" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
982 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
983 |
|i "{ Class: SmallInteger }"| |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
984 |
|
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
985 |
i := index. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
986 |
aString do:[:aChar | |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
987 |
self basicAt:i put:aChar asciiValue. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
988 |
i := i + 1. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
989 |
]. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
990 |
self basicAt:i put:0. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
991 |
^ aString |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
992 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
993 |
" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
994 |
|bytes| |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
995 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
996 |
bytes := ExternalBytes new:10. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
997 |
bytes stringAt:1 put:'hello'. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
998 |
1 to:bytes size do:[:i | |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
999 |
Transcript showCR:(bytes at:i) |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1000 |
] |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1001 |
" |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1002 |
|
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1003 |
"Created: / 21.1.1998 / 17:45:02 / cg" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1004 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1005 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1006 |
stringAt:index size:maxSize |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1007 |
"return a string starting at index up to maxSize, or a 0-byte" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1008 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1009 |
|stream c i "{ Class: SmallInteger }"| |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1010 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1011 |
stream := WriteStream on:(String new:maxSize). |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1012 |
i := index. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1013 |
[(i <= maxSize) |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1014 |
and:[(c := self basicAt:i) ~~ 0]] whileTrue:[ |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1015 |
stream nextPut:(Character value:c). |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1016 |
i := i + 1. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1017 |
]. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1018 |
^ stream contents |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1019 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1020 |
"Modified: / 21.1.1998 / 17:45:23 / cg" |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1021 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1022 |
|
3323 | 1023 |
unsignedLongAt:index |
1024 |
"return the 4-bytes starting at index as an (unsigned) Integer. |
|
1025 |
The value is retrieved in the machines natural byte order. |
|
1026 |
Subclasses may redefine this for better performance." |
|
1027 |
||
1028 |
^ self unsignedLongAt:index bigEndian:IsBigEndian |
|
1029 |
||
1030 |
" |
|
1031 |
|b| |
|
1032 |
||
1033 |
b := ByteArray withAll:#(1 2 3 4). |
|
1034 |
(b unsignedLongAt:1) printStringRadix:16 |
|
1035 |
" |
|
1036 |
||
1037 |
"Created: / 5.3.1998 / 11:56:53 / stefan" |
|
1038 |
"Modified: / 5.3.1998 / 14:58:48 / stefan" |
|
1039 |
! |
|
1040 |
||
1041 |
unsignedLongAt:index bigEndian:msb |
|
1042 |
"return the 4-bytes starting at index as an (unsigned) Integer. |
|
1043 |
The value is retrieved MSB-first, if the msb-arg is true; |
|
1044 |
LSB-first otherwise. |
|
1045 |
Subclasses may redefine this for better performance." |
|
1046 |
||
1047 |
|val |
|
1048 |
ival "{ Class: SmallInteger }" |
|
1049 |
i "{ Class: SmallInteger }" |
|
1050 |
b1 "{ Class: SmallInteger }" |
|
1051 |
b2 "{ Class: SmallInteger }" |
|
1052 |
b3 "{ Class: SmallInteger }" |
|
1053 |
b4 "{ Class: SmallInteger }"| |
|
1054 |
||
1055 |
i := index. |
|
1056 |
b1 := self at:i. |
|
1057 |
b2 := self at:(i+1). |
|
1058 |
b3 := self at:(i+2). |
|
1059 |
b4 := self at:(i+3). |
|
1060 |
||
1061 |
msb ifTrue:[ |
|
1062 |
ival := b1. |
|
1063 |
ival := (ival bitShift:8) + b2. |
|
1064 |
ival := (ival bitShift:8) + b3. |
|
1065 |
val := (ival * 256) + b4. |
|
1066 |
] ifFalse:[ |
|
1067 |
ival := b4. |
|
1068 |
ival := (ival bitShift:8) + b3. |
|
1069 |
ival := (ival bitShift:8) + b2. |
|
1070 |
val := (ival * 256) + b1. |
|
1071 |
]. |
|
1072 |
^ val |
|
1073 |
||
1074 |
" |
|
1075 |
|b| |
|
1076 |
||
1077 |
b := ByteArray withAll:#(1 2 3 4). |
|
1078 |
(b unsignedLongAt:1 bigEndian:true) printStringRadix:16. |
|
1079 |
(b unsignedLongAt:1 bigEndian:false) printStringRadix:16 |
|
1080 |
" |
|
1081 |
||
1082 |
"Modified: / 21.1.1998 / 17:42:30 / cg" |
|
1083 |
"Created: / 5.3.1998 / 11:46:05 / stefan" |
|
1084 |
! |
|
1085 |
||
1086 |
unsignedLongAt:index put:value |
|
1087 |
"set the 4-bytes starting at index from the (unsigned) Integer value. |
|
1088 |
The value should be in the range 0 to 16rFFFFFFFF |
|
1089 |
(for negative values, the stored value is not defined). |
|
1090 |
The value is stored in the machines natural byte order. |
|
1091 |
Subclasses may redefine this for better performance." |
|
1092 |
||
1093 |
^ self unsignedLongAt:index put:value bigEndian:IsBigEndian |
|
1094 |
||
1095 |
" |
|
1096 |
|b| |
|
1097 |
b := ByteArray new:4. |
|
1098 |
b unsignedLongAt:1 put:16r04030201. |
|
1099 |
b inspect |
|
1100 |
" |
|
1101 |
||
1102 |
"Created: / 5.3.1998 / 11:57:44 / stefan" |
|
1103 |
"Modified: / 5.3.1998 / 14:58:59 / stefan" |
|
1104 |
! |
|
1105 |
||
1106 |
unsignedLongAt:index put:aNumber bigEndian:msb |
|
1107 |
"set the 4-bytes starting at index from the (unsigned) Integer value. |
|
1108 |
The value must be in the range 0 to 16rFFFFFFFF. |
|
1109 |
The value is stored MSB-first if msb is true; LSB-first otherwise. |
|
1110 |
Subclasses may redefine this for better performance." |
|
1111 |
||
1112 |
|i "{ Class: SmallInteger }" | |
|
1113 |
||
1114 |
((aNumber < 0) or:[aNumber > 16rFFFFFFFF]) ifTrue:[ |
|
1115 |
^ self elementBoundsError |
|
1116 |
]. |
|
1117 |
||
1118 |
i := index. |
|
1119 |
msb ifTrue:[ |
|
1120 |
self at:i put:(aNumber digitAt:4). |
|
1121 |
self at:(i+1) put:(aNumber digitAt:3). |
|
1122 |
self at:(i+2) put:(aNumber digitAt:2). |
|
1123 |
self at:(i+3) put:(aNumber digitAt:1). |
|
1124 |
] ifFalse:[ |
|
1125 |
self at:i put:(aNumber digitAt:1). |
|
1126 |
self at:(i+1) put:(aNumber digitAt:2). |
|
1127 |
self at:(i+2) put:(aNumber digitAt:3). |
|
1128 |
self at:(i+3) put:(aNumber digitAt:4). |
|
1129 |
]. |
|
1130 |
^ aNumber |
|
1131 |
||
1132 |
" |
|
1133 |
|b| |
|
1134 |
b := ByteArray new:8. |
|
1135 |
b unsignedLongAt:1 put:16r04030201 bigEndian:true. |
|
1136 |
(b unsignedLongAt:1 bigEndian:false) printStringRadix:16 |
|
1137 |
" |
|
1138 |
||
1139 |
"Modified: / 21.1.1998 / 17:43:34 / cg" |
|
1140 |
"Created: / 5.3.1998 / 11:43:53 / stefan" |
|
1141 |
"Modified: / 5.3.1998 / 11:47:30 / stefan" |
|
1142 |
! |
|
1143 |
||
1144 |
unsignedLongLongAt:index bigEndian:msb |
|
1145 |
"return the 8-bytes starting at index as an (unsigned) Integer. |
|
1146 |
Depending on msb, the value is retrieved MSB or LSB-first." |
|
1147 |
||
1148 |
|l |
|
1149 |
bIdx "{ Class: SmallInteger }" |
|
1150 |
delta "{ Class: SmallInteger }"| |
|
1151 |
||
1152 |
l := LargeInteger basicNew numberOfDigits:8. |
|
1153 |
msb ifTrue:[ |
|
1154 |
bIdx := index + 7. |
|
1155 |
delta := -1 |
|
1156 |
] ifFalse:[ |
|
1157 |
bIdx := index. |
|
1158 |
delta := 1 |
|
1159 |
]. |
|
1160 |
1 to:8 do:[:i | |
|
1161 |
l digitAt:i put:(self basicAt:bIdx). |
|
1162 |
bIdx := bIdx + delta |
|
1163 |
]. |
|
1164 |
^ l compressed |
|
1165 |
||
1166 |
" |
|
1167 |
|b| |
|
1168 |
||
1169 |
b := ByteArray withAll:#(1 2 3 4 5 6 7 8). |
|
1170 |
(b unsignedLongLongAt:1 bigEndian:false) printStringRadix:16 |
|
1171 |
" |
|
1172 |
||
1173 |
"Modified: / 5.11.1996 / 14:06:21 / cg" |
|
1174 |
"Modified: / 5.3.1998 / 14:04:44 / stefan" |
|
1175 |
! |
|
1176 |
||
1177 |
unsignedLongLongAt:index put:anInteger |
|
1178 |
"set the 8-bytes starting at index from the (unsigned) Integer value. |
|
1179 |
The value must be in the range 0 to 16rFFFFFFFFFFFFFFFF. |
|
1180 |
The value is stored in natural byte order." |
|
1181 |
||
1182 |
^ self unsignedLongLongAt:index put:anInteger bigEndian:IsBigEndian |
|
1183 |
||
1184 |
"Created: / 5.3.1998 / 14:44:00 / stefan" |
|
1185 |
"Modified: / 5.3.1998 / 15:02:32 / stefan" |
|
1186 |
! |
|
1187 |
||
1188 |
unsignedLongLongAt:index put:anInteger bigEndian:msb |
|
1189 |
"set the 8-bytes starting at index from the (unsigned) Integer value. |
|
1190 |
The value must be in the range 0 to 16rFFFFFFFFFFFFFFFF. |
|
1191 |
Depending on msb, the value is stored MSB-first or LSB-first." |
|
1192 |
||
1193 |
|bIdx "{ Class: SmallInteger }" |
|
1194 |
delta "{ Class: SmallInteger }"| |
|
1195 |
||
1196 |
((anInteger < 0) or:[anInteger > 16rFFFFFFFFFFFFFFFF]) ifTrue:[ |
|
1197 |
^ self elementBoundsError |
|
1198 |
]. |
|
1199 |
||
1200 |
msb ifTrue:[ |
|
1201 |
bIdx := index + 7. |
|
1202 |
delta := -1 |
|
1203 |
] ifFalse:[ |
|
1204 |
bIdx := index. |
|
1205 |
delta := 1 |
|
1206 |
]. |
|
1207 |
1 to:8 do:[:i | |
|
1208 |
self basicAt:bIdx put:(anInteger digitAt:i). |
|
1209 |
bIdx := bIdx + delta. |
|
1210 |
]. |
|
1211 |
^ anInteger |
|
1212 |
||
1213 |
" |
|
1214 |
|b| |
|
1215 |
b := ByteArray new:8. |
|
1216 |
b unsignedLongLongAt:1 put:16r0807060504030201 bigEndian:false. |
|
1217 |
b inspect |
|
1218 |
" |
|
1219 |
||
1220 |
"Created: / 5.3.1998 / 14:06:02 / stefan" |
|
1221 |
! |
|
1222 |
||
1223 |
unsignedShortAt:index |
|
1224 |
"return the 2-bytes starting at index as an (unsigned) Integer. |
|
1225 |
The value is retrieved in the machines natural byte order |
|
1226 |
Subclasses may redefine this for better performance. |
|
1227 |
This is the ST80 equivalent of #wordAt:" |
|
1228 |
||
1229 |
||
1230 |
^ self unsignedShortAt:index bigEndian:IsBigEndian |
|
1231 |
||
1232 |
"Created: / 5.3.1998 / 11:38:25 / stefan" |
|
1233 |
"Modified: / 5.3.1998 / 14:59:25 / stefan" |
|
1234 |
! |
|
1235 |
||
1236 |
unsignedShortAt:index bigEndian:msb |
|
1237 |
"return the 2-bytes starting at index as an (unsigned) Integer. |
|
1238 |
The value is retrieved MSB-first (high 8 bits at lower index) if msb is true; |
|
1239 |
LSB-first (i.e. low 8-bits at lower byte index) if its false)" |
|
1240 |
||
1241 |
|b1 "{ Class: SmallInteger }" |
|
1242 |
b2 "{ Class: SmallInteger }"| |
|
1243 |
||
1244 |
b1 := self at:index. |
|
1245 |
b2 := self at:(index + 1). |
|
1246 |
msb ifTrue:[ |
|
1247 |
^ (b1 bitShift:8) + b2 |
|
1248 |
]. |
|
1249 |
^ (b2 bitShift:8) + b1 |
|
1250 |
||
1251 |
"Modified: / 21.1.1998 / 17:46:07 / cg" |
|
1252 |
"Created: / 5.3.1998 / 11:49:29 / stefan" |
|
1253 |
! |
|
1254 |
||
1255 |
unsignedShortAt:index put:value |
|
1256 |
"set the 2-bytes starting at index from the (unsigned) Integer value. |
|
1257 |
The stored value must be in the range 0 .. 16rFFFF. |
|
1258 |
The value is stored in the machines natural byteorder." |
|
1259 |
||
1260 |
^ self unsignedShortAt:index put:value bigEndian:IsBigEndian |
|
1261 |
||
1262 |
" |
|
1263 |
|b| |
|
1264 |
b := ByteArray new:4. |
|
1265 |
b unsignedShortAt:1 put:16r0102. |
|
1266 |
b unsignedShortAt:3 put:16r0304. |
|
1267 |
b inspect |
|
1268 |
" |
|
1269 |
||
1270 |
"Created: / 5.3.1998 / 11:54:52 / stefan" |
|
1271 |
"Modified: / 5.3.1998 / 14:59:38 / stefan" |
|
1272 |
! |
|
1273 |
||
1274 |
unsignedShortAt:index put:value bigEndian:msb |
|
1275 |
"set the 2-bytes starting at index from the (unsigned) Integer value. |
|
1276 |
The stored value must be in the range 0 .. 16rFFFF. |
|
1277 |
The value is stored LSB-first (i.e. the low 8bits are stored at the |
|
1278 |
lower index) if msb is false, MSB-first otherwise" |
|
1279 |
||
1280 |
|b1 b2 |
|
1281 |
iVal "{ Class: SmallInteger }"| |
|
1282 |
||
1283 |
iVal := value. |
|
1284 |
((iVal < 0) or:[iVal > 16rFFFF]) ifTrue:[ |
|
1285 |
^ self elementBoundsError |
|
1286 |
]. |
|
1287 |
msb ifTrue:[ |
|
1288 |
b1 := ((iVal bitShift:-8) bitAnd:16rFF). |
|
1289 |
b2 := (iVal bitAnd:16rFF). |
|
1290 |
] ifFalse:[ |
|
1291 |
b1 := (iVal bitAnd:16rFF). |
|
1292 |
b2 := ((iVal bitShift:-8) bitAnd:16rFF). |
|
1293 |
]. |
|
1294 |
self at:index put:b1. |
|
1295 |
self at:index+1 put:b2. |
|
1296 |
^ value |
|
1297 |
||
1298 |
" |
|
1299 |
|b| |
|
1300 |
b := ByteArray new:8. |
|
1301 |
b unsignedShortAt:1 put:16r0102 bigEndian:false. |
|
1302 |
b unsignedShortAt:3 put:16r0304 bigEndian:false. |
|
1303 |
b unsignedShortAt:5 put:16r0102 bigEndian:true. |
|
1304 |
b unsignedShortAt:7 put:16r0304 bigEndian:true. |
|
1305 |
b inspect |
|
1306 |
" |
|
1307 |
||
1308 |
"Modified: / 21.1.1998 / 17:48:15 / cg" |
|
1309 |
"Modified: / 5.3.1998 / 11:52:28 / stefan" |
|
1310 |
! |
|
1311 |
||
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1312 |
wordAt:index |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1313 |
"return the 2-bytes starting at index as an (unsigned) Integer. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1314 |
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
|
1315 |
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
|
1316 |
|
3323 | 1317 |
^ self wordAt:index MSB:IsBigEndian |
1318 |
||
1319 |
"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
|
1320 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1321 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1322 |
wordAt:index MSB:msb |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1323 |
"return the 2-bytes starting at index as an (unsigned) Integer. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1324 |
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
|
1325 |
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
|
1326 |
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
|
1327 |
|
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1328 |
|b1 "{ Class: SmallInteger }" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1329 |
b2 "{ Class: SmallInteger }"| |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1330 |
|
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1331 |
b1 := self at:index. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1332 |
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
|
1333 |
msb ifTrue:[ |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1334 |
^ (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
|
1335 |
]. |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1336 |
^ (b2 bitShift:8) + b1 |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1337 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1338 |
"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
|
1339 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1340 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1341 |
wordAt:index put:value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1342 |
"set the 2-bytes starting at index from the (unsigned) Integer value. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1343 |
The stored value must be in the range 0 .. 16rFFFF. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1344 |
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
|
1345 |
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
|
1346 |
|
3323 | 1347 |
^ self wordAt:index put:value MSB:IsBigEndian |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1348 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1349 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1350 |
|b| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1351 |
b := ByteArray new:4. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1352 |
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
|
1353 |
b wordAt:3 put:16r0304. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1354 |
b inspect |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1355 |
" |
3323 | 1356 |
|
1357 |
"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
|
1358 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1359 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1360 |
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
|
1361 |
"set the 2-bytes starting at index from the (unsigned) Integer value. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1362 |
The stored value must be in the range 0 .. 16rFFFF. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1363 |
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
|
1364 |
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
|
1365 |
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
|
1366 |
|
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1367 |
|b1 b2 |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1368 |
iVal "{ Class: SmallInteger }"| |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1369 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1370 |
iVal := value. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1371 |
((iVal < 0) or:[iVal > 16rFFFF]) ifTrue:[ |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1372 |
^ self elementBoundsError |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1373 |
]. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1374 |
msb ifTrue:[ |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1375 |
b1 := ((iVal bitShift:-8) bitAnd:16rFF). |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1376 |
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
|
1377 |
] ifFalse:[ |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1378 |
b1 := (iVal bitAnd:16rFF). |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1379 |
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
|
1380 |
]. |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1381 |
self at:index put:b1. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1382 |
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
|
1383 |
^ value |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1384 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1385 |
" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1386 |
b := ByteArray new:8. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1387 |
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
|
1388 |
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
|
1389 |
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
|
1390 |
b wordAt:7 put:16r0304 MSB:true. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1391 |
b inspect |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1392 |
" |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1393 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1394 |
"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
|
1395 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1396 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1397 |
wordAtWordIndex:index |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1398 |
"return the unsigned short at index, anInteger. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1399 |
Fetching in the machines natural byte order. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1400 |
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
|
1401 |
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
|
1402 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1403 |
|
3323 | 1404 |
^ self wordAtWordIndex:index MSB:IsBigEndian |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1405 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1406 |
"Created: / 21.1.1998 / 17:48:26 / cg" |
3323 | 1407 |
"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
|
1408 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1409 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1410 |
wordAtWordIndex:index MSB:msb |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1411 |
"return the unsigned short at index, anInteger. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1412 |
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
|
1413 |
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
|
1414 |
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
|
1415 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1416 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1417 |
^ 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
|
1418 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1419 |
"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
|
1420 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1421 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1422 |
wordAtWordIndex:index put:value |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1423 |
"set the short at index, anInteger. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1424 |
Storing in the machines natural byte order. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1425 |
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
|
1426 |
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
|
1427 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1428 |
|
3323 | 1429 |
^ self wordAtWordIndex:index put:value MSB:IsBigEndian |
3212
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1430 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1431 |
"Created: / 21.1.1998 / 17:48:34 / cg" |
3323 | 1432 |
"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
|
1433 |
! |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1434 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1435 |
wordAtWordIndex:index put:value MSB:msb |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1436 |
"set the short at index, anInteger. |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1437 |
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
|
1438 |
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
|
1439 |
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
|
1440 |
(i.e. indices are 1, 2, ...)" |
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1441 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1442 |
^ 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
|
1443 |
|
b8cc18f8691b
moved some of ExtBytes protocol to here.
Claus Gittinger <cg@exept.de>
parents:
3209
diff
changeset
|
1444 |
"Created: / 21.1.1998 / 17:48:38 / cg" |
3207
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1445 |
! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1446 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1447 |
zeroByteStringAt:index maximumSize:count |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1448 |
"extract a zeroByte-delimited string, given initial index and |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1449 |
maximum number of characters (bytes)" |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1450 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1451 |
|bytes idx| |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1452 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1453 |
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
|
1454 |
idx := bytes indexOf:0. |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1455 |
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
|
1456 |
^ bytes asString |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1457 |
|
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1458 |
"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
|
1459 |
! ! |
a6e3c98e2a8e
merged common protocol of ByteArray and ExternalBytes into this class.
Claus Gittinger <cg@exept.de>
parents:
1294
diff
changeset
|
1460 |
|
3363
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1461 |
!UninterpretedBytes methodsFor:'misc'! |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1462 |
|
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1463 |
swapLongAt:byteIndex |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1464 |
"swap the byteOrder of a long." |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1465 |
|
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1466 |
|t| |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1467 |
|
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1468 |
t := self byteAt:byteIndex. |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1469 |
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
|
1470 |
self byteAt:(byteIndex + 3) put:t. |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1471 |
t := self byteAt:(byteIndex + 1). |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1472 |
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
|
1473 |
self byteAt:(byteIndex + 2) put:t |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1474 |
|
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1475 |
"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
|
1476 |
! ! |
3bb61f364fe3
added #from: and #swapLongAt: for ST80 compatibility.
Claus Gittinger <cg@exept.de>
parents:
3323
diff
changeset
|
1477 |
|
3323 | 1478 |
!UninterpretedBytes methodsFor:'queries'! |
1479 |
||
1480 |
sizeInBytes |
|
1481 |
"return the number of 8-bit bytes in the receiver. |
|
1482 |
This is needed since subclasse may redefine #size (TwoByteString)" |
|
1483 |
||
1484 |
^ super size |
|
1485 |
||
1486 |
"Created: / 5.3.1998 / 10:41:13 / stefan" |
|
1487 |
! ! |
|
1488 |
||
695 | 1489 |
!UninterpretedBytes class methodsFor:'documentation'! |
1490 |
||
1491 |
version |
|
3410
93393f1c1022
dont make binaryDefFrom a subResponsibility - Text fails otherwise.
Claus Gittinger <cg@exept.de>
parents:
3363
diff
changeset
|
1492 |
^ '$Header: /cvs/stx/stx/libbasic/UninterpretedBytes.st,v 1.23 1998-04-25 21:33:11 cg Exp $' |
695 | 1493 |
! ! |
3323 | 1494 |
UninterpretedBytes initialize! |