?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Version 4.0.0.1, tag libreoffice-4.0.0.1
[LibreOffice.git] / i18npool / source / transliteration / transliterationImpl.cxx
blobaf5ca8f0bdbfa4cd7412c1dc9188498877a59014
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20
21 #include "transliterationImpl.hxx"
22 #include "servicename.hxx"
23
24 #include <com/sun/star/i18n/LocaleData.hpp>
25 #include <com/sun/star/i18n/TransliterationType.hpp>
26 #include <com/sun/star/lang/XComponent.hpp>
27
28 #include <comphelper/componentcontext.hxx>
29 #include <comphelper/processfactory.hxx>
30 #include <rtl/instance.hxx>
31 #include <rtl/string.h>
32 #include <rtl/ustring.hxx>
33 #include <rtl/ustrbuf.hxx>
34
35 #include <algorithm>
36
37 #if OSL_DEBUG_LEVEL > 1
38 #include <stdio.h>
39 #endif
40
41 using namespace com::sun::star::uno;
42 using namespace com::sun::star::lang;
43
44 using ::rtl::OUString;
45
46 namespace com { namespace sun { namespace star { namespace i18n {
47
48 #define ERROR RuntimeException()
49
50 #define TmItem1( name ) \
51 {TransliterationModules_##name, TransliterationModulesNew_##name, #name}
52
53 #define TmItem2( name ) \
54 {(TransliterationModules)0, TransliterationModulesNew_##name, #name}
55
56 // Ignore Module list
57 static struct TMlist {
58 TransliterationModules tm;
59 TransliterationModulesNew tmn;
60 const sal_Char *implName;
61 } TMlist[] = { // Modules ModulesNew
62 TmItem1 (IGNORE_CASE), // 0. (1<<8 256) (7)
63 TmItem1 (IGNORE_WIDTH), // 1. (1<<9 512) (8)
64 TmItem1 (IGNORE_KANA), // 2. (1<<10 1024) (9)
65 // No enum define for this trans. application has to use impl name to load it
66 // TmItem1 (IGNORE_CASE_SIMPLE), // (1<<11 1024) (66)
67
68 TmItem1 (ignoreTraditionalKanji_ja_JP), // 3. (1<<12 4096) (10)
69 TmItem1 (ignoreTraditionalKana_ja_JP), // 4. (1<<13 8192) (11)
70 TmItem1 (ignoreMinusSign_ja_JP), // 5. (1<<13 16384) (12)
71 TmItem1 (ignoreIterationMark_ja_JP), // 6. (1<<14 32768) (13)
72 TmItem1 (ignoreSeparator_ja_JP), // 7. (1<<15 65536) (14)
73 TmItem1 (ignoreSize_ja_JP), // 15. (1<<23 16777216) (22)
74 TmItem1 (ignoreMiddleDot_ja_JP), // 17. (1<<25 67108864) (24)
75 TmItem1 (ignoreSpace_ja_JP), // 18. (1<<26 134217728) (25)
76 TmItem1 (ignoreZiZu_ja_JP), // 8. (1<<16 131072) (15)
77 TmItem1 (ignoreBaFa_ja_JP), // 9. (1<<17 262144) (16)
78 TmItem1 (ignoreTiJi_ja_JP), // 10. (1<<18 524288) (17)
79 TmItem1 (ignoreHyuByu_ja_JP), // 11. (1<<19 1048576) (18)
80 TmItem1 (ignoreSeZe_ja_JP), // 12. (1<<20 2097152) (19)
81 TmItem1 (ignoreIandEfollowedByYa_ja_JP), // 13. (1<<21 4194304) (20)
82 TmItem1 (ignoreKiKuFollowedBySa_ja_JP), // 14. (1<<22 8388608) (21)
83 TmItem1 (ignoreProlongedSoundMark_ja_JP), // 16. (1<<24 33554432) (23)
84
85 TmItem1 (UPPERCASE_LOWERCASE), // 19. (1) (1)
86 TmItem1 (LOWERCASE_UPPERCASE), // 20. (2) (2)
87 TmItem1 (HALFWIDTH_FULLWIDTH), // 21. (3) (3)
88 TmItem1 (FULLWIDTH_HALFWIDTH), // 22. (4) (4)
89 TmItem1 (KATAKANA_HIRAGANA), // 23. (5) (5)
90 TmItem1 (HIRAGANA_KATAKANA), // 24. (6) (6)
91
92 TmItem1 (smallToLarge_ja_JP), // 25. (1<<27 268435456) (26)
93 TmItem1 (largeToSmall_ja_JP), // 26. (1<<28 536870912) (27)
94 TmItem2 (NumToTextLower_zh_CN), // 27. () (28)
95 TmItem2 (NumToTextUpper_zh_CN), // 28. () (29)
96 TmItem2 (NumToTextLower_zh_TW), // 29. () (30)
97 TmItem2 (NumToTextUpper_zh_TW), // 30. () (31)
98 TmItem2 (NumToTextFormalHangul_ko), // 31. () (32)
99 TmItem2 (NumToTextFormalLower_ko), // 32. () (33)
100 TmItem2 (NumToTextFormalUpper_ko), // 33. () (34)
101 TmItem2 (NumToTextInformalHangul_ko), // 34. () (35)
102 TmItem2 (NumToTextInformalLower_ko), // 35. () (36)
103 TmItem2 (NumToTextInformalUpper_ko), // 36. () (37)
104 TmItem2 (NumToCharLower_zh_CN), // 37. () (38)
105 TmItem2 (NumToCharUpper_zh_CN), // 38. () (39)
106 TmItem2 (NumToCharLower_zh_TW), // 39. () (40)
107 TmItem2 (NumToCharUpper_zh_TW), // 40. () (41)
108 TmItem2 (NumToCharHangul_ko), // 41. () (42)
109 TmItem2 (NumToCharLower_ko), // 42. () (43)
110 TmItem2 (NumToCharUpper_ko), // 43. () (44)
111 TmItem2 (NumToCharFullwidth), // 44. () (45)
112 TmItem2 (NumToCharKanjiShort_ja_JP), // 45. () (46)
113 TmItem2 (TextToNumLower_zh_CN), // 46. () (47)
114 TmItem2 (TextToNumUpper_zh_CN), // 47. () (48)
115 TmItem2 (TextToNumLower_zh_TW), // 48. () (49)
116 TmItem2 (TextToNumUpper_zh_TW), // 49. () (50)
117 TmItem2 (TextToNumFormalHangul_ko), // 50. () (51)
118 TmItem2 (TextToNumFormalLower_ko), // 51. () (52)
119 TmItem2 (TextToNumFormalUpper_ko), // 52. () (53)
120 TmItem2 (TextToNumInformalHangul_ko), // 53. () (54)
121 TmItem2 (TextToNumInformalLower_ko), // 54. () (55)
122 TmItem2 (TextToNumInformalUpper_ko), // 55. () (56)
123
124 TmItem2 (CharToNumLower_zh_CN), // 56. () (59)
125 TmItem2 (CharToNumUpper_zh_CN), // 57. () (60)
126 TmItem2 (CharToNumLower_zh_TW), // 58. () (61)
127 TmItem2 (CharToNumUpper_zh_TW), // 59. () (62)
128 TmItem2 (CharToNumHangul_ko), // 60. () (63)
129 TmItem2 (CharToNumLower_ko), // 61. () (64)
130 TmItem2 (CharToNumUpper_ko), // 62. () (65)
131
132 // no enum defined for these trans. application has to use impl name to load them
133 // TmItem2 (NumToCharArabic_Indic), // () (67)
134 // TmItem2 (NumToCharEstern_Arabic_Indic),// () (68)
135 // TmItem2 (NumToCharIndic), // () (69)
136 // TmItem2 (NumToCharThai), // () (70)
137 {(TransliterationModules)0, (TransliterationModulesNew)0, NULL}
138 };
139
140 // Constructor/Destructor
141 TransliterationImpl::TransliterationImpl(const Reference <XComponentContext>& xContext) : mxContext(xContext)
142 {
143 numCascade = 0;
144 caseignoreOnly = sal_True;
145
146 mxLocaledata.set(LocaleData::create(xContext));
147 }
148
149 TransliterationImpl::~TransliterationImpl()
150 {
151 mxLocaledata.clear();
152 clear();
153 }
154
155
156 // Methods
157 OUString SAL_CALL
158 TransliterationImpl::getName() throw(RuntimeException)
159 {
160 if (numCascade == 1 && bodyCascade[0].is())
161 return bodyCascade[0]->getName();
162 if (numCascade < 1)
163 return ( OUString("Not Loaded"));
164 throw ERROR;
165 }
166
167 sal_Int16 SAL_CALL
168 TransliterationImpl::getType() throw(RuntimeException)
169 {
170 if (numCascade > 1)
171 return (TransliterationType::CASCADE|TransliterationType::IGNORE);
172 if (numCascade > 0 && bodyCascade[0].is())
173 return(bodyCascade[0]->getType());
174 throw ERROR;
175 }
176
177 void SAL_CALL
178 TransliterationImpl::loadModule( TransliterationModules modType, const Locale& rLocale )
179 throw(RuntimeException)
180 {
181 clear();
182 if (modType&TransliterationModules_IGNORE_MASK && modType&TransliterationModules_NON_IGNORE_MASK) {
183 throw ERROR;
184 } else if (modType&TransliterationModules_IGNORE_MASK) {
185 #define TransliterationModules_IGNORE_CASE_MASK (TransliterationModules_IGNORE_CASE | \
186 TransliterationModules_IGNORE_WIDTH | \
187 TransliterationModules_IGNORE_KANA)
188 sal_Int32 mask = ((modType&TransliterationModules_IGNORE_CASE_MASK) == modType) ?
189 TransliterationModules_IGNORE_CASE_MASK : TransliterationModules_IGNORE_MASK;
190 for (sal_Int16 i = 0; TMlist[i].tm & mask; i++) {
191 if (modType & TMlist[i].tm)
192 if (loadModuleByName(OUString::createFromAscii(TMlist[i].implName),
193 bodyCascade[numCascade], rLocale))
194 numCascade++;
195 }
196 } else if (modType&TransliterationModules_NON_IGNORE_MASK) {
197 for (sal_Int16 i = 0; TMlist[i].tm; i++) {
198 if (TMlist[i].tm == modType) {
199 if (loadModuleByName(OUString::createFromAscii(TMlist[i].implName), bodyCascade[numCascade], rLocale))
200 numCascade++;
201 break;
202 }
203 }
204 }
205 }
206
207 void SAL_CALL
208 TransliterationImpl::loadModuleNew( const Sequence < TransliterationModulesNew > & modType, const Locale& rLocale )
209 throw(RuntimeException)
210 {
211 clear();
212 sal_Int32 mask = 0, count = modType.getLength();
213 if (count > maxCascade)
214 throw ERROR; // could not handle more than maxCascade
215 for (sal_Int16 i = 0; i < count; i++) {
216 for (sal_Int16 j = 0; TMlist[j].tmn; j++) {
217 if (TMlist[j].tmn == modType[i]) {
218 if (mask == 0)
219 mask = TMlist[i].tm && (TMlist[i].tm&TransliterationModules_IGNORE_MASK) ?
220 TransliterationModules_IGNORE_MASK : TransliterationModules_NON_IGNORE_MASK;
221 else if (mask == TransliterationModules_IGNORE_MASK &&
222 (TMlist[i].tm&TransliterationModules_IGNORE_MASK) == 0)
223 throw ERROR; // could not mess up ignore trans. with non_ignore trans.
224 if (loadModuleByName(OUString::createFromAscii(TMlist[j].implName), bodyCascade[numCascade], rLocale))
225 numCascade++;
226 break;
227 }
228 }
229 }
230 }
231
232 void SAL_CALL
233 TransliterationImpl::loadModuleByImplName(const OUString& implName, const Locale& rLocale)
234 throw(RuntimeException)
235 {
236 clear();
237 if (loadModuleByName(implName, bodyCascade[numCascade], rLocale))
238 numCascade++;
239 }
240
241
242 void SAL_CALL
243 TransliterationImpl::loadModulesByImplNames(const Sequence< OUString >& implNameList, const Locale& rLocale ) throw(RuntimeException)
244 {
245 if (implNameList.getLength() > maxCascade || implNameList.getLength() <= 0)
246 throw ERROR;
247
248 clear();
249 for (sal_Int32 i = 0; i < implNameList.getLength(); i++)
250 if (loadModuleByName(implNameList[i], bodyCascade[numCascade], rLocale))
251 numCascade++;
252 }
253
254
255 Sequence<OUString> SAL_CALL
256 TransliterationImpl::getAvailableModules( const Locale& rLocale, sal_Int16 sType ) throw(RuntimeException)
257 {
258 const Sequence<OUString> &translist = mxLocaledata->getTransliterations(rLocale);
259 Sequence<OUString> r(translist.getLength());
260 Reference<XExtendedTransliteration> body;
261 sal_Int32 n = 0;
262 for (sal_Int32 i = 0; i < translist.getLength(); i++)
263 {
264 if (loadModuleByName(translist[i], body, rLocale)) {
265 if (body->getType() & sType)
266 r[n++] = translist[i];
267 body.clear();
268 }
269 }
270 r.realloc(n);
271 return (r);
272 }
273
274
275 OUString SAL_CALL
276 TransliterationImpl::transliterate( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount,
277 Sequence< sal_Int32 >& offset ) throw(RuntimeException)
278 {
279 if (numCascade == 0)
280 return inStr;
281
282 if (offset.getLength() != nCount)
283 offset.realloc(nCount);
284 if (numCascade == 1)
285 {
286 if ( startPos == 0 && nCount == inStr.getLength() )
287 return bodyCascade[0]->transliterate( inStr, 0, nCount, offset);
288 else
289 {
290 OUString tmpStr = inStr.copy(startPos, nCount);
291 tmpStr = bodyCascade[0]->transliterate(tmpStr, 0, nCount, offset);
292 if ( startPos )
293 {
294 sal_Int32 * pArr = offset.getArray();
295 nCount = offset.getLength();
296 for (sal_Int32 j = 0; j < nCount; j++)
297 pArr[j] += startPos;
298 }
299 return tmpStr;
300 }
301 }
302 else
303 {
304 OUString tmpStr = inStr.copy(startPos, nCount);
305 sal_Int32 * pArr = offset.getArray();
306 for (sal_Int32 j = 0; j < nCount; j++)
307 pArr[j] = startPos + j;
308
309 sal_Int16 from = 0, to = 1, tmp;
310 Sequence<sal_Int32> off[2];
311
312 off[to] = offset;
313 off[from].realloc(nCount);
314 for (sal_Int32 i = 0; i < numCascade; i++) {
315 tmpStr = bodyCascade[i]->transliterate(tmpStr, 0, nCount, off[from]);
316
317 nCount = tmpStr.getLength();
318
319 tmp = from; from = to; to = tmp;
320 for (sal_Int32 j = 0; j < nCount; j++)
321 off[to][j] = off[from][off[to][j]];
322 }
323 offset = off[to];
324 return tmpStr;
325 }
326 }
327
328
329 //
330 OUString SAL_CALL
331 TransliterationImpl::folding( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount,
332 Sequence< sal_Int32 >& offset ) throw(RuntimeException)
333 {
334 if (numCascade == 0)
335 return inStr;
336
337 if (offset.getLength() != nCount)
338 offset.realloc(nCount);
339 if (numCascade == 1)
340 {
341 if ( startPos == 0 && nCount == inStr.getLength() )
342 return bodyCascade[0]->folding( inStr, 0, nCount, offset);
343 else
344 {
345 OUString tmpStr = inStr.copy(startPos, nCount);
346 tmpStr = bodyCascade[0]->folding(tmpStr, 0, nCount, offset);
347 if ( startPos )
348 {
349 sal_Int32 * pArr = offset.getArray();
350 nCount = offset.getLength();
351 for (sal_Int32 j = 0; j < nCount; j++)
352 pArr[j] += startPos;
353 }
354 return tmpStr;
355 }
356 }
357 else
358 {
359 OUString tmpStr = inStr.copy(startPos, nCount);
360 sal_Int32 * pArr = offset.getArray();
361 for (sal_Int32 j = 0; j < nCount; j++)
362 pArr[j] = startPos + j;
363
364 sal_Int16 from = 0, to = 1, tmp;
365 Sequence<sal_Int32> off[2];
366
367 off[to] = offset;
368 for (sal_Int32 i = 0; i < numCascade; i++) {
369 tmpStr = bodyCascade[i]->folding(tmpStr, 0, nCount, off[from]);
370
371 nCount = tmpStr.getLength();
372
373 tmp = from; from = to; to = tmp;
374 for (sal_Int32 j = 0; j < nCount; j++)
375 off[to][j] = off[from][off[to][j]];
376 }
377 offset = off[to];
378 return tmpStr;
379 }
380 }
381
382 OUString SAL_CALL
383 TransliterationImpl::transliterateString2String( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount ) throw(RuntimeException)
384 {
385 if (numCascade == 0)
386 return inStr;
387 else if (numCascade == 1)
388 return bodyCascade[0]->transliterateString2String( inStr, startPos, nCount);
389 else {
390 OUString tmpStr = bodyCascade[0]->transliterateString2String(inStr, startPos, nCount);
391
392 for (sal_Int32 i = 1; i < numCascade; i++)
393 tmpStr = bodyCascade[i]->transliterateString2String(tmpStr, 0, tmpStr.getLength());
394 return tmpStr;
395 }
396 }
397
398 OUString SAL_CALL
399 TransliterationImpl::transliterateChar2String( sal_Unicode inChar ) throw(RuntimeException)
400 {
401 if (numCascade == 0)
402 return OUString(&inChar, 1);
403 else if (numCascade == 1)
404 return bodyCascade[0]->transliterateChar2String( inChar);
405 else {
406 OUString tmpStr = bodyCascade[0]->transliterateChar2String(inChar);
407
408 for (sal_Int32 i = 1; i < numCascade; i++)
409 tmpStr = bodyCascade[i]->transliterateString2String(tmpStr, 0, tmpStr.getLength());
410 return tmpStr;
411 }
412 }
413
414 sal_Unicode SAL_CALL
415 TransliterationImpl::transliterateChar2Char( sal_Unicode inChar ) throw(MultipleCharsOutputException, RuntimeException)
416 {
417 sal_Unicode tmpChar = inChar;
418 for (sal_Int32 i = 0; i < numCascade; i++)
419 tmpChar = bodyCascade[i]->transliterateChar2Char(tmpChar);
420 return tmpChar;
421 }
422
423
424 sal_Bool SAL_CALL
425 TransliterationImpl::equals(
426 const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1,
427 const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2)
428 throw(RuntimeException)
429 {
430 // since this is an API function make it user fail safe
431 if ( nCount1 < 0 ) {
432 pos1 += nCount1;
433 nCount1 = -nCount1;
434 }
435 if ( nCount2 < 0 ) {
436 pos2 += nCount2;
437 nCount2 = -nCount2;
438 }
439 if ( !nCount1 || !nCount2 ||
440 pos1 >= str1.getLength() || pos2 >= str2.getLength() ||
441 pos1 < 0 || pos2 < 0 ) {
442 nMatch1 = nMatch2 = 0;
443 // two empty strings return true, else false
444 return !nCount1 && !nCount2 && pos1 == str1.getLength() && pos2 == str2.getLength();
445 }
446 if ( pos1 + nCount1 > str1.getLength() )
447 nCount1 = str1.getLength() - pos1;
448 if ( pos2 + nCount2 > str2.getLength() )
449 nCount2 = str2.getLength() - pos2;
450
451 if (caseignoreOnly && caseignore.is())
452 return caseignore->equals(str1, pos1, nCount1, nMatch1, str2, pos2, nCount2, nMatch2);
453
454 Sequence<sal_Int32> offset1, offset2;
455
456 OUString tmpStr1 = folding(str1, pos1, nCount1, offset1);
457 OUString tmpStr2 = folding(str2, pos2, nCount2, offset2);
458 // Length of offset1 and offset2 may still be 0 if there was no folding
459 // necessary!
460
461 const sal_Unicode *p1 = tmpStr1.getStr();
462 const sal_Unicode *p2 = tmpStr2.getStr();
463 sal_Int32 i, nLen = ::std::min( tmpStr1.getLength(), tmpStr2.getLength());
464 for (i = 0; i < nLen; ++i, ++p1, ++p2 ) {
465 if (*p1 != *p2) {
466 // return number of matched code points so far
467 nMatch1 = (i < offset1.getLength()) ? offset1[i] : i;
468 nMatch2 = (i < offset2.getLength()) ? offset2[i] : i;
469 return sal_False;
470 }
471 }
472 // i==nLen
473 if ( tmpStr1.getLength() != tmpStr2.getLength() ) {
474 // return number of matched code points so far
475 nMatch1 = (i <= offset1.getLength()) ? offset1[i-1] + 1 : i;
476 nMatch2 = (i <= offset2.getLength()) ? offset2[i-1] + 1 : i;
477 return sal_False;
478 } else {
479 nMatch1 = nCount1;
480 nMatch2 = nCount2;
481 return sal_True;
482 }
483 }
484
485 #define MaxOutput 2
486
487 Sequence< OUString > SAL_CALL
488 TransliterationImpl::getRange(const Sequence< OUString > &inStrs,
489 const sal_Int32 length, sal_Int16 _numCascade) throw(RuntimeException)
490 {
491 if (_numCascade >= numCascade || ! bodyCascade[_numCascade].is())
492 return inStrs;
493
494 sal_Int32 j_tmp = 0;
495 Sequence< OUString > ostr(MaxOutput*length);
496 for (sal_Int32 j = 0; j < length; j+=2) {
497 const Sequence< OUString >& temp = bodyCascade[_numCascade]->transliterateRange(inStrs[j], inStrs[j+1]);
498
499 for ( sal_Int32 k = 0; k < temp.getLength(); k++) {
500 if ( j_tmp >= MaxOutput*length ) throw ERROR;
501 ostr[j_tmp++] = temp[k];
502 }
503 }
504 ostr.realloc(j_tmp);
505
506 return this->getRange(ostr, j_tmp, ++_numCascade);
507 }
508
509
510 Sequence< OUString > SAL_CALL
511 TransliterationImpl::transliterateRange( const OUString& str1, const OUString& str2 )
512 throw(RuntimeException)
513 {
514 if (numCascade == 1)
515 return bodyCascade[0]->transliterateRange(str1, str2);
516
517 Sequence< OUString > ostr(2);
518 ostr[0] = str1;
519 ostr[1] = str2;
520
521 return this->getRange(ostr, 2, 0);
522 }
523
524
525 sal_Int32 SAL_CALL
526 TransliterationImpl::compareSubstring(
527 const OUString& str1, sal_Int32 off1, sal_Int32 len1,
528 const OUString& str2, sal_Int32 off2, sal_Int32 len2)
529 throw(RuntimeException)
530 {
531 if (caseignoreOnly && caseignore.is())
532 return caseignore->compareSubstring(str1, off1, len1, str2, off2, len2);
533
534 Sequence <sal_Int32> offset;
535
536 OUString in_str1 = this->transliterate(str1, off1, len1, offset);
537 OUString in_str2 = this->transliterate(str2, off2, len2, offset);
538 const sal_Unicode* unistr1 = in_str1.getStr();
539 const sal_Unicode* unistr2 = in_str2.getStr();
540 sal_Int32 strlen1 = in_str1.getLength();
541 sal_Int32 strlen2 = in_str2.getLength();
542
543 while (strlen1 && strlen2) {
544 if (*unistr1 != *unistr2)
545 return *unistr1 > *unistr2 ? 1 : -1;
546
547 unistr1++; unistr2++; strlen1--; strlen2--;
548 }
549 return strlen1 == strlen2 ? 0 : (strlen1 > strlen2 ? 1 : -1);
550 }
551
552
553 sal_Int32 SAL_CALL
554 TransliterationImpl::compareString(const OUString& str1, const OUString& str2 ) throw (RuntimeException)
555 {
556 if (caseignoreOnly && caseignore.is())
557 return caseignore->compareString(str1, str2);
558 else
559 return this->compareSubstring(str1, 0, str1.getLength(), str2, 0, str2.getLength());
560 }
561
562
563 void
564 TransliterationImpl::clear()
565 {
566 for (sal_Int32 i = 0; i < numCascade; i++)
567 if (bodyCascade[i].is())
568 bodyCascade[i].clear();
569 numCascade = 0;
570 caseignore.clear();
571 caseignoreOnly = sal_True;
572 }
573
574 namespace
575 {
576 /** structure to cache the last transliteration body used. */
577 struct TransBody
578 {
579 ::rtl::OUString Name;
580 ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XExtendedTransliteration > Body;
581 };
582 class theTransBodyMutex : public rtl::Static<osl::Mutex, theTransBodyMutex> {};
583 }
584
585 void TransliterationImpl::loadBody( OUString &implName, Reference<XExtendedTransliteration>& body )
586 throw (RuntimeException)
587 {
588 assert(!implName.isEmpty());
589 ::osl::MutexGuard guard(theTransBodyMutex::get());
590 static TransBody lastTransBody;
591 if (implName != lastTransBody.Name)
592 {
593 lastTransBody.Body.set(
594 mxContext->getServiceManager()->createInstanceWithContext(implName, mxContext), UNO_QUERY_THROW);
595 lastTransBody.Name = implName;
596 }
597 body = lastTransBody.Body;
598 }
599
600 sal_Bool SAL_CALL
601 TransliterationImpl::loadModuleByName( const OUString& implName,
602 Reference<XExtendedTransliteration>& body, const Locale& rLocale) throw(RuntimeException)
603 {
604 OUString cname = OUString(TRLT_IMPLNAME_PREFIX) + implName;
605 loadBody(cname, body);
606 if (body.is()) {
607 body->loadModule((TransliterationModules)0, rLocale); // toUpper/toLoad need rLocale
608
609 // if the module is ignore case/kana/width, load caseignore for equals/compareString mothed
610 for (sal_Int16 i = 0; i < 3; i++) {
611 if (implName.compareToAscii(TMlist[i].implName) == 0) {
612 if (i == 0) // current module is caseignore
613 body->loadModule(TMlist[0].tm, rLocale); // caseingore need to setup module name
614 if (! caseignore.is()) {
615 OUString bname = OUString(TRLT_IMPLNAME_PREFIX) +
616 OUString::createFromAscii(TMlist[0].implName);
617 loadBody(bname, caseignore);
618 }
619 if (caseignore.is())
620 caseignore->loadModule(TMlist[i].tm, rLocale);
621 return sal_True;
622 }
623 }
624 caseignoreOnly = sal_False; // has other module than just ignore case/kana/width
625 }
626 return body.is();
627 }
628
629 const sal_Char cTrans[] = "com.sun.star.i18n.Transliteration";
630
631 OUString SAL_CALL
632 TransliterationImpl::getImplementationName() throw( RuntimeException )
633 {
634 return OUString::createFromAscii(cTrans);
635 }
636
637
638 sal_Bool SAL_CALL
639 TransliterationImpl::supportsService(const OUString& rServiceName) throw( RuntimeException )
640 {
641 return !rServiceName.compareToAscii(cTrans);
642 }
643
644 Sequence< OUString > SAL_CALL
645 TransliterationImpl::getSupportedServiceNames(void) throw( RuntimeException )
646 {
647 Sequence< OUString > aRet(1);
648 aRet[0] = OUString::createFromAscii(cTrans);
649 return aRet;
650 }
651
652 } } } }
653
654 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
FREE OFFICE SUITE