| author | Claus Gittinger <cg@exept.de> |
| Thu, 10 Jul 2014 14:28:32 +0200 | |
| changeset 16750 | 394404a33691 |
| parent 14557 | 427740fc4329 |
| child 17621 | 098adea6b2d4 |
| 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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10223
761e2a050b69
twoByteString moved (req'd in VM)
Claus Gittinger <cg@exept.de>
parents:
8094
diff
changeset
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"{ Package: 'stx:libbasic' }"
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8094
d05f69bd0097
Use #codePoint instead of deprecated #asciiValue
Stefan Vogel <sv@exept.de>
parents:
5761
diff
changeset
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CharacterArray variableWordSubclass:#TwoByteString |
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f456f8f7d421
JIS decode now in CharacterArray
Claus Gittinger <cg@exept.de>
parents:
631
diff
changeset
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instanceVariableNames:'' |
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f456f8f7d421
JIS decode now in CharacterArray
Claus Gittinger <cg@exept.de>
parents:
631
diff
changeset
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classVariableNames:'' |
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f456f8f7d421
JIS decode now in CharacterArray
Claus Gittinger <cg@exept.de>
parents:
631
diff
changeset
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poolDictionaries:'' |
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f456f8f7d421
JIS decode now in CharacterArray
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parents:
631
diff
changeset
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category:'Collections-Text' |
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! |
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!TwoByteString 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 |
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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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! |
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documentation |
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" |
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TwoByteStrings are like strings, but storing 16bits per character. |
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The integration of them into the system is not completed .... |
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[author:] |
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Claus Gittinger |
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[see also:] |
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Text JISEncodedString |
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StringCollection |
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" |
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! ! |
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!TwoByteString class methodsFor:'initialization'! |
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initialize |
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"initialize the class - private" |
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self flags:(Behavior flagWords) |
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" |
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TwoByteString initialize |
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" |
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"Modified: 22.4.1996 / 16:14:14 / cg" |
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! ! |
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!TwoByteString class methodsFor:'instance creation'! |
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basicNew:anInteger |
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"return a new empty string with anInteger characters" |
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^ (super basicNew:anInteger) atAllPut:(Character space) |
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"Modified: 26.2.1996 / 14:38:47 / cg" |
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! ! |
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!TwoByteString methodsFor:'accessing'! |
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basicAt:index |
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"return the character at position index, an Integer |
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- reimplemented here since we return 16-bit characters" |
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|val| |
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val := super basicAt:index. |
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^ Character value:val |
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"Modified: 26.2.1996 / 17:02:16 / cg" |
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! |
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basicAt:index put:aCharacter |
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"store the argument, aCharacter at position index, an Integer. |
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Returns aCharacter (sigh). |
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- reimplemented here since we store 16-bit characters" |
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8094
d05f69bd0097
Use #codePoint instead of deprecated #asciiValue
Stefan Vogel <sv@exept.de>
parents:
5761
diff
changeset
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super basicAt:index put:aCharacter codePoint. |
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^ aCharacter |
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"Modified: 19.4.1996 / 11:16:22 / cg" |
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! |
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unsignedShortAt:index |
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"return the short at position index, an Integer" |
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^ super basicAt:index. |
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! ! |
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!TwoByteString methodsFor:'filling and replacing'! |
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replaceFrom:start to:stop with:aString startingAt:repStart |
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"replace the characters starting at index start, anInteger and ending |
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at stop, anInteger with characters from aString starting at repStart. |
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Return the receiver. |
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- reimplemented here for speed" |
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%{ /* NOCONTEXT */
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#ifndef NO_PRIM_STRING |
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if (__bothSmallInteger(start, stop)) {
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REGISTER int count; |
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int len, index1, index2; |
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index1 = __intVal(start); |
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index2 = __intVal(stop); |
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count = index2 - index1 + 1; |
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if (count <= 0) {
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RETURN (self); |
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} |
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len = __twoByteStringSize(self); |
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if ((index2 <= len) && (index1 > 0)) {
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int repLen, repIndex; |
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repIndex = __intVal(repStart); |
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if (__isStringLike(aString)) {
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repLen = __stringSize(aString); |
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if ((repIndex > 0) && ((repIndex + count - 1) <= repLen)) {
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REGISTER unsigned char *srcp; |
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REGISTER unsigned short *dstp; |
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srcp = __stringVal(aString) + repIndex - 1; |
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dstp = __twoByteStringVal(self) + index1 - 1; |
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while (count-- > 0) {
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*dstp++ = *srcp++; |
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} |
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RETURN (self); |
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} |
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} else if (__isTwoByteString(aString) || __isUnicode16String(aString)) {
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repLen = __twoByteStringSize(aString); |
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if ((repIndex > 0) && ((repIndex + count - 1) <= repLen)) {
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REGISTER unsigned short *srcp; |
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REGISTER unsigned short *dstp; |
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srcp = __twoByteStringVal(aString) + repIndex - 1; |
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dstp = __twoByteStringVal(self) + index1 - 1; |
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if (aString == self) {
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/* take care of overlapping copy */ |
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if (srcp < dstp) {
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/* must do a reverse copy */ |
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srcp += count; |
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dstp += count; |
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while (count-- > 0) {
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*--dstp = *--srcp; |
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} |
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RETURN (self); |
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} |
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} |
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if (count > 5) {
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memcpy(dstp, srcp, count*sizeof(short)); |
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} else {
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while (count-- > 0) {
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*dstp++ = *srcp++; |
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} |
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} |
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RETURN (self); |
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} |
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} |
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} |
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} |
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#endif |
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%}. |
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"/ arrive here if any index arg is out o range, or the source is neither a string, |
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"/ nor a two-byte string. |
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^ super replaceFrom:start to:stop with:aString startingAt:repStart |
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" |
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'hello world' asUnicode16String replaceFrom:1 to:5 with:'123456' startingAt:2 |
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'hello world' asUnicode16String replaceFrom:1 to:5 with:'123456' asUnicode16String startingAt:2 |
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'hello world' asUnicode16String replaceFrom:1 to:0 with:'123456' startingAt:2 |
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'hello' asUnicode16String replaceFrom:1 to:6 with:'123456' startingAt:2 |
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'hello world' asUnicode16String replaceFrom:1 to:1 with:'123456' startingAt:2 |
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" |
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! ! |
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!TwoByteString methodsFor:'queries'! |
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bitsPerCharacter |
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"return the number of bits each character has. |
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Here, 16 is returned (storing double byte characters)." |
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^ 16 |
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"Modified: 20.4.1996 / 23:08:38 / cg" |
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! |
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isWideString |
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^ true |
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! ! |
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!TwoByteString class methodsFor:'documentation'! |
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version |
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^ '$Header: /cvs/stx/stx/libbasic/TwoByteString.st,v 1.35 2014-07-10 12:28:32 cg Exp $' |
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! ! |
|
8094
d05f69bd0097
Use #codePoint instead of deprecated #asciiValue
Stefan Vogel <sv@exept.de>
parents:
5761
diff
changeset
|
214 |
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| 16750 | 215 |
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| 996 | 216 |
TwoByteString initialize! |