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Diffstat (limited to 'i18npool/source/transliteration/transliterationImpl.cxx')
| -rw-r--r-- | i18npool/source/transliteration/transliterationImpl.cxx | 682 |
1 files changed, 682 insertions, 0 deletions
diff --git a/i18npool/source/transliteration/transliterationImpl.cxx b/i18npool/source/transliteration/transliterationImpl.cxx new file mode 100644 index 0000000000..914a401031 --- /dev/null +++ b/i18npool/source/transliteration/transliterationImpl.cxx @@ -0,0 +1,682 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + +#include <transliterationImpl.hxx> +#include <servicename.hxx> + +#include <com/sun/star/i18n/LocaleData2.hpp> +#include <com/sun/star/i18n/TransliterationType.hpp> +#include <com/sun/star/i18n/TransliterationModulesExtra.hpp> + +#include <comphelper/sequence.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <o3tl/string_view.hxx> +#include <rtl/ustring.hxx> + +#include <algorithm> +#include <mutex> +#include <numeric> + +using namespace com::sun::star::uno; +using namespace com::sun::star::i18n; +using namespace com::sun::star::lang; + + +namespace i18npool { + +#define TmItem1( name ) \ + {TransliterationModules_##name, TransliterationModulesNew_##name, #name} + +#define TmItem2( name ) \ + {TransliterationModules(0), TransliterationModulesNew_##name, #name} + +namespace { + +// Ignore Module list +struct TMList { + TransliterationModules tm; + TransliterationModulesNew tmn; + const char *implName; +}; + +} + +TMList const TMlist[] = { // Modules ModulesNew + TmItem1 (IGNORE_CASE), // 0. (1<<8 256) (7) + TmItem1 (IGNORE_WIDTH), // 1. (1<<9 512) (8) + TmItem1 (IGNORE_KANA), // 2. (1<<10 1024) (9) +// No enum define for this trans. application has to use impl name to load it +// TmItem1 (IGNORE_CASE_SIMPLE), // (1<<11 1024) (66) + + {TransliterationModules_IgnoreTraditionalKanji_ja_JP, + TransliterationModulesNew_IgnoreTraditionalKanji_ja_JP, "ignoreTraditionalKanji_ja_JP"}, + // 3. (1<<12 4096) (10) + {TransliterationModules_IgnoreTraditionalKana_ja_JP, + TransliterationModulesNew_IgnoreTraditionalKana_ja_JP, "ignoreTraditionalKana_ja_JP"}, + // 4. (1<<13 8192) (11) + {TransliterationModules_IgnoreMinusSign_ja_JP, TransliterationModulesNew_IgnoreMinusSign_ja_JP, + "ignoreMinusSign_ja_JP"}, // 5. (1<<13 16384) (12) + {TransliterationModules_IgnoreIterationMark_ja_JP, + TransliterationModulesNew_IgnoreIterationMark_ja_JP, "ignoreIterationMark_ja_JP"}, + // 6. (1<<14 32768) (13) + {TransliterationModules_IgnoreSeparator_ja_JP, TransliterationModulesNew_IgnoreSeparator_ja_JP, + "ignoreSeparator_ja_JP"}, // 7. (1<<15 65536) (14) + {TransliterationModules_IgnoreSize_ja_JP, TransliterationModulesNew_IgnoreSize_ja_JP, + "ignoreSize_ja_JP"}, // 15. (1<<23 16777216) (22) + {TransliterationModules_IgnoreMiddleDot_ja_JP, TransliterationModulesNew_IgnoreMiddleDot_ja_JP, + "ignoreMiddleDot_ja_JP"}, // 17. (1<<25 67108864) (24) + {TransliterationModules_IgnoreSpace_ja_JP, TransliterationModulesNew_IgnoreSpace_ja_JP, + "ignoreSpace_ja_JP"}, // 18. (1<<26 134217728) (25) + {TransliterationModules_IgnoreZiZu_ja_JP, TransliterationModulesNew_IgnoreZiZu_ja_JP, + "ignoreZiZu_ja_JP"}, // 8. (1<<16 131072) (15) + {TransliterationModules_IgnoreBaFa_ja_JP, TransliterationModulesNew_IgnoreBaFa_ja_JP, + "ignoreBaFa_ja_JP"}, // 9. (1<<17 262144) (16) + {TransliterationModules_IgnoreTiJi_ja_JP, TransliterationModulesNew_IgnoreTiJi_ja_JP, + "ignoreTiJi_ja_JP"}, // 10. (1<<18 524288) (17) + {TransliterationModules_IgnoreHyuByu_ja_JP, TransliterationModulesNew_IgnoreHyuByu_ja_JP, + "ignoreHyuByu_ja_JP"}, // 11. (1<<19 1048576) (18) + {TransliterationModules_IgnoreSeZe_ja_JP, TransliterationModulesNew_IgnoreSeZe_ja_JP, + "ignoreSeZe_ja_JP"}, // 12. (1<<20 2097152) (19) + {TransliterationModules_IgnoreIandEfollowedByYa_ja_JP, + TransliterationModulesNew_IgnoreIandEfollowedByYa_ja_JP, "ignoreIandEfollowedByYa_ja_JP"}, + // 13. (1<<21 4194304) (20) + {TransliterationModules_IgnoreKiKuFollowedBySa_ja_JP, + TransliterationModulesNew_IgnoreKiKuFollowedBySa_ja_JP, "ignoreKiKuFollowedBySa_ja_JP"}, + // 14. (1<<22 8388608) (21) + {TransliterationModules_IgnoreProlongedSoundMark_ja_JP, + TransliterationModulesNew_IgnoreProlongedSoundMark_ja_JP, "ignoreProlongedSoundMark_ja_JP"}, + // 16. (1<<24 33554432) (23) + + TmItem1 (UPPERCASE_LOWERCASE), // 19. (1) (1) + TmItem1 (LOWERCASE_UPPERCASE), // 20. (2) (2) + TmItem1 (HALFWIDTH_FULLWIDTH), // 21. (3) (3) + TmItem1 (FULLWIDTH_HALFWIDTH), // 22. (4) (4) + TmItem1 (KATAKANA_HIRAGANA), // 23. (5) (5) + TmItem1 (HIRAGANA_KATAKANA), // 24. (6) (6) + + {TransliterationModules_SmallToLarge_ja_JP, TransliterationModulesNew_SmallToLarge_ja_JP, + "smallToLarge_ja_JP"}, // 25. (1<<27 268435456) (26) + {TransliterationModules_LargeToSmall_ja_JP, TransliterationModulesNew_LargeToSmall_ja_JP, + "largeToSmall_ja_JP"}, // 26. (1<<28 536870912) (27) + TmItem2 (NumToTextLower_zh_CN), // 27. () (28) + TmItem2 (NumToTextUpper_zh_CN), // 28. () (29) + TmItem2 (NumToTextLower_zh_TW), // 29. () (30) + TmItem2 (NumToTextUpper_zh_TW), // 30. () (31) + TmItem2 (NumToTextFormalHangul_ko), // 31. () (32) + TmItem2 (NumToTextFormalLower_ko), // 32. () (33) + TmItem2 (NumToTextFormalUpper_ko), // 33. () (34) + TmItem2 (NumToTextInformalHangul_ko), // 34. () (35) + TmItem2 (NumToTextInformalLower_ko), // 35. () (36) + TmItem2 (NumToTextInformalUpper_ko), // 36. () (37) + TmItem2 (NumToCharLower_zh_CN), // 37. () (38) + TmItem2 (NumToCharUpper_zh_CN), // 38. () (39) + TmItem2 (NumToCharLower_zh_TW), // 39. () (40) + TmItem2 (NumToCharUpper_zh_TW), // 40. () (41) + TmItem2 (NumToCharHangul_ko), // 41. () (42) + TmItem2 (NumToCharLower_ko), // 42. () (43) + TmItem2 (NumToCharUpper_ko), // 43. () (44) + TmItem2 (NumToCharFullwidth), // 44. () (45) + TmItem2 (NumToCharKanjiShort_ja_JP), // 45. () (46) + TmItem2 (TextToNumLower_zh_CN), // 46. () (47) + TmItem2 (TextToNumUpper_zh_CN), // 47. () (48) + TmItem2 (TextToNumLower_zh_TW), // 48. () (49) + TmItem2 (TextToNumUpper_zh_TW), // 49. () (50) + TmItem2 (TextToNumFormalHangul_ko), // 50. () (51) + TmItem2 (TextToNumFormalLower_ko), // 51. () (52) + TmItem2 (TextToNumFormalUpper_ko), // 52. () (53) + TmItem2 (TextToNumInformalHangul_ko), // 53. () (54) + TmItem2 (TextToNumInformalLower_ko), // 54. () (55) + TmItem2 (TextToNumInformalUpper_ko), // 55. () (56) + + TmItem2 (CharToNumLower_zh_CN), // 56. () (59) + TmItem2 (CharToNumUpper_zh_CN), // 57. () (60) + TmItem2 (CharToNumLower_zh_TW), // 58. () (61) + TmItem2 (CharToNumUpper_zh_TW), // 59. () (62) + TmItem2 (CharToNumHangul_ko), // 60. () (63) + TmItem2 (CharToNumLower_ko), // 61. () (64) + TmItem2 (CharToNumUpper_ko), // 62. () (65) + +// no enum defined for these trans. application has to use impl name to load them +// TmItem2 (NumToCharArabic_Indic), // () (67) +// TmItem2 (NumToCharEstern_Arabic_Indic),// () (68) +// TmItem2 (NumToCharIndic), // () (69) +// TmItem2 (NumToCharThai), // () (70) + {TransliterationModules(0), TransliterationModulesNew(0), nullptr} +}; + +// Constructor/Destructor +TransliterationImpl::TransliterationImpl(const Reference <XComponentContext>& xContext) : mxContext(xContext) +{ + numCascade = 0; + caseignoreOnly = true; + + mxLocaledata.set(LocaleData2::create(xContext)); +} + +TransliterationImpl::~TransliterationImpl() +{ + mxLocaledata.clear(); + clear(); +} + + +// Methods +OUString SAL_CALL +TransliterationImpl::getName() +{ + if (numCascade == 1 && bodyCascade[0].is()) + return bodyCascade[0]->getName(); + if (numCascade < 1) + return ( OUString("Not Loaded")); + throw RuntimeException(); +} + +sal_Int16 SAL_CALL +TransliterationImpl::getType() +{ + if (numCascade > 1) + return (TransliterationType::CASCADE|TransliterationType::IGNORE); + if (numCascade > 0 && bodyCascade[0].is()) + return bodyCascade[0]->getType(); + throw RuntimeException(); +} + +static TransliterationModules operator&(TransliterationModules lhs, TransliterationModules rhs) { + return TransliterationModules(sal_Int32(lhs) & sal_Int32(rhs)); +} +static TransliterationModules operator|(TransliterationModules lhs, TransliterationModules rhs) { + return TransliterationModules(sal_Int32(lhs) | sal_Int32(rhs)); +} + +void SAL_CALL +TransliterationImpl::loadModule( TransliterationModules modType, const Locale& rLocale ) +{ + clear(); + if (bool(modType & TransliterationModules_IGNORE_MASK) && + bool(modType & TransliterationModules_NON_IGNORE_MASK)) + { + throw RuntimeException(); + } else if (bool(modType & TransliterationModules_IGNORE_MASK)) { +#define TransliterationModules_IGNORE_CASE_MASK (TransliterationModules_IGNORE_CASE | \ + TransliterationModules_IGNORE_WIDTH | \ + TransliterationModules_IGNORE_KANA) + TransliterationModules mask = ((modType & TransliterationModules_IGNORE_CASE_MASK) == modType) ? + TransliterationModules_IGNORE_CASE_MASK : TransliterationModules_IGNORE_MASK; + for (sal_Int16 i = 0; bool(TMlist[i].tm & mask); i++) { + if (bool(modType & TMlist[i].tm)) + if (loadModuleByName(OUString::createFromAscii(TMlist[i].implName), + bodyCascade[numCascade], rLocale)) + numCascade++; + } + // additional transliterations from TransliterationModulesExtra (we cannot extend TransliterationModules) + if (bool(modType & TransliterationModules(TransliterationModulesExtra::IGNORE_DIACRITICS_CTL))) + { + if (loadModuleByName(u"ignoreDiacritics_CTL", bodyCascade[numCascade], rLocale)) + numCascade++; + } + if (bool(modType & TransliterationModules(TransliterationModulesExtra::IGNORE_KASHIDA_CTL))) + if (loadModuleByName(u"ignoreKashida_CTL", bodyCascade[numCascade], rLocale)) + numCascade++; + + } else if (bool(modType & TransliterationModules_NON_IGNORE_MASK)) { + for (sal_Int16 i = 0; bool(TMlist[i].tm); i++) { + if (TMlist[i].tm == modType) { + if (loadModuleByName(OUString::createFromAscii(TMlist[i].implName), bodyCascade[numCascade], rLocale)) + numCascade++; + break; + } + } + } +} + +void SAL_CALL +TransliterationImpl::loadModuleNew( const Sequence < TransliterationModulesNew > & modType, const Locale& rLocale ) +{ + clear(); + TransliterationModules mask = TransliterationModules_END_OF_MODULE; + sal_Int32 count = modType.getLength(); + if (count > maxCascade) + throw RuntimeException(); // could not handle more than maxCascade + for (sal_Int32 i = 0; i < count; i++) { + for (sal_Int16 j = 0; bool(TMlist[j].tmn); j++) { + if (TMlist[j].tmn == modType[i]) { + if (mask == TransliterationModules_END_OF_MODULE) + mask = bool(TMlist[i].tm) && bool(TMlist[i].tm & TransliterationModules_IGNORE_MASK) ? + TransliterationModules_IGNORE_MASK : TransliterationModules_NON_IGNORE_MASK; + else if (mask == TransliterationModules_IGNORE_MASK && + (TMlist[i].tm&TransliterationModules_IGNORE_MASK) == TransliterationModules_END_OF_MODULE) + throw RuntimeException(); // could not mess up ignore trans. with non_ignore trans. + if (loadModuleByName(OUString::createFromAscii(TMlist[j].implName), bodyCascade[numCascade], rLocale)) + numCascade++; + break; + } + } + } +} + +void SAL_CALL +TransliterationImpl::loadModuleByImplName(const OUString& implName, const Locale& rLocale) +{ + clear(); + if (loadModuleByName(implName, bodyCascade[numCascade], rLocale)) + numCascade++; +} + + +void SAL_CALL +TransliterationImpl::loadModulesByImplNames(const Sequence< OUString >& implNameList, const Locale& rLocale ) +{ + if (implNameList.getLength() > maxCascade || implNameList.getLength() <= 0) + throw RuntimeException(); + + clear(); + for (const auto& rName : implNameList) + if (loadModuleByName(rName, bodyCascade[numCascade], rLocale)) + numCascade++; +} + + +Sequence<OUString> SAL_CALL +TransliterationImpl::getAvailableModules( const Locale& rLocale, sal_Int16 sType ) +{ + const Sequence<OUString> &translist = mxLocaledata->getTransliterations(rLocale); + std::vector<OUString> r; + r.reserve(translist.getLength()); + Reference<XExtendedTransliteration> body; + for (const auto& rTrans : translist) + { + if (loadModuleByName(rTrans, body, rLocale)) { + if (body->getType() & sType) + r.push_back(rTrans); + body.clear(); + } + } + return comphelper::containerToSequence(r); +} + + +OUString SAL_CALL +TransliterationImpl::transliterate( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, + Sequence< sal_Int32 >& offset ) +{ + if (numCascade == 0) + return inStr; + + if (numCascade == 1) + { + if ( startPos == 0 && nCount == inStr.getLength() ) + return bodyCascade[0]->transliterate( inStr, 0, nCount, offset); + else + { + OUString tmpStr = inStr.copy(startPos, nCount); + tmpStr = bodyCascade[0]->transliterate(tmpStr, 0, nCount, offset); + if ( startPos ) + { + for (sal_Int32 & j : asNonConstRange(offset)) + j += startPos; + } + return tmpStr; + } + } + else + { + OUString tmpStr = inStr.copy(startPos, nCount); + + auto [begin, end] = asNonConstRange(offset); + std::iota(begin, end, startPos); + + Sequence<sal_Int32> from(nCount); + Sequence<sal_Int32> to = offset; + for (sal_Int32 i = 0; i < numCascade; i++) { + tmpStr = bodyCascade[i]->transliterate(tmpStr, 0, nCount, from); + + nCount = tmpStr.getLength(); + + assert(from.getLength() == nCount); + from.swap(to); + for (sal_Int32& ix : asNonConstRange(to)) + ix = from[ix]; + } + offset = to; + return tmpStr; + } +} + + +OUString SAL_CALL +TransliterationImpl::folding( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, + Sequence< sal_Int32 >& offset ) +{ + if (numCascade == 0) + return inStr; + + if (offset.getLength() != nCount) + offset.realloc(nCount); + if (numCascade == 1) + { + if ( startPos == 0 && nCount == inStr.getLength() ) + return bodyCascade[0]->folding( inStr, 0, nCount, offset); + else + { + OUString tmpStr = inStr.copy(startPos, nCount); + tmpStr = bodyCascade[0]->folding(tmpStr, 0, nCount, offset); + if ( startPos ) + { + for (sal_Int32 & j : asNonConstRange(offset)) + j += startPos; + } + return tmpStr; + } + } + else + { + OUString tmpStr = inStr.copy(startPos, nCount); + + auto [begin, end] = asNonConstRange(offset); + std::iota(begin, end, startPos); + + Sequence<sal_Int32> from; + Sequence<sal_Int32> to = offset; + + for (sal_Int32 i = 0; i < numCascade; i++) { + tmpStr = bodyCascade[i]->folding(tmpStr, 0, nCount, from); + + nCount = tmpStr.getLength(); + + assert(from.getLength() == nCount); + from.swap(to); + for (sal_Int32& ix : asNonConstRange(to)) + ix = from[ix]; + } + offset = to; + return tmpStr; + } +} + +OUString SAL_CALL +TransliterationImpl::transliterateString2String( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount ) +{ + if (numCascade == 0) + return inStr; + else if (numCascade == 1) + return bodyCascade[0]->transliterateString2String( inStr, startPos, nCount); + else { + OUString tmpStr = bodyCascade[0]->transliterateString2String(inStr, startPos, nCount); + + for (sal_Int32 i = 1; i < numCascade; i++) + tmpStr = bodyCascade[i]->transliterateString2String(tmpStr, 0, tmpStr.getLength()); + return tmpStr; + } +} + +OUString SAL_CALL +TransliterationImpl::transliterateChar2String( sal_Unicode inChar ) +{ + if (numCascade == 0) + return OUString(&inChar, 1); + else if (numCascade == 1) + return bodyCascade[0]->transliterateChar2String( inChar); + else { + OUString tmpStr = bodyCascade[0]->transliterateChar2String(inChar); + + for (sal_Int32 i = 1; i < numCascade; i++) + tmpStr = bodyCascade[i]->transliterateString2String(tmpStr, 0, tmpStr.getLength()); + return tmpStr; + } +} + +sal_Unicode SAL_CALL +TransliterationImpl::transliterateChar2Char( sal_Unicode inChar ) +{ + sal_Unicode tmpChar = inChar; + for (sal_Int32 i = 0; i < numCascade; i++) + tmpChar = bodyCascade[i]->transliterateChar2Char(tmpChar); + return tmpChar; +} + + +sal_Bool SAL_CALL +TransliterationImpl::equals( + const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1, + const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2) +{ + // since this is an API function make it user fail safe + if ( nCount1 < 0 ) { + pos1 += nCount1; + nCount1 = -nCount1; + } + if ( nCount2 < 0 ) { + pos2 += nCount2; + nCount2 = -nCount2; + } + if ( !nCount1 || !nCount2 || + pos1 >= str1.getLength() || pos2 >= str2.getLength() || + pos1 < 0 || pos2 < 0 ) { + nMatch1 = nMatch2 = 0; + // two empty strings return true, else false + return !nCount1 && !nCount2 && pos1 == str1.getLength() && pos2 == str2.getLength(); + } + if ( pos1 + nCount1 > str1.getLength() ) + nCount1 = str1.getLength() - pos1; + if ( pos2 + nCount2 > str2.getLength() ) + nCount2 = str2.getLength() - pos2; + + if (caseignoreOnly && caseignore.is()) + return caseignore->equals(str1, pos1, nCount1, nMatch1, str2, pos2, nCount2, nMatch2); + + Sequence<sal_Int32> offset1, offset2; + + OUString tmpStr1 = folding(str1, pos1, nCount1, offset1); + OUString tmpStr2 = folding(str2, pos2, nCount2, offset2); + // Length of offset1 and offset2 may still be 0 if there was no folding + // necessary! + + const sal_Unicode *p1 = tmpStr1.getStr(); + const sal_Unicode *p2 = tmpStr2.getStr(); + sal_Int32 i, nLen = ::std::min( tmpStr1.getLength(), tmpStr2.getLength()); + for (i = 0; i < nLen; ++i, ++p1, ++p2 ) { + if (*p1 != *p2) { + // return number of matched code points so far + nMatch1 = (i < offset1.getLength()) ? offset1.getConstArray()[i] : i; + nMatch2 = (i < offset2.getLength()) ? offset2.getConstArray()[i] : i; + return false; + } + } + // i==nLen + if ( tmpStr1.getLength() != tmpStr2.getLength() ) { + // return number of matched code points so far + nMatch1 = (i <= offset1.getLength()) ? offset1.getConstArray()[i-1] + 1 : i; + nMatch2 = (i <= offset2.getLength()) ? offset2.getConstArray()[i-1] + 1 : i; + return false; + } else { + nMatch1 = nCount1; + nMatch2 = nCount2; + return true; + } +} + +Sequence< OUString > +TransliterationImpl::getRange(const Sequence< OUString > &inStrs, + const sal_Int32 length, sal_Int16 _numCascade) +{ + if (_numCascade >= numCascade || ! bodyCascade[_numCascade].is()) + return inStrs; + + sal_Int32 j_tmp = 0; + constexpr sal_Int32 nMaxOutput = 2; + const sal_Int32 nMaxOutputLength = nMaxOutput*length; + std::vector<OUString> ostr; + ostr.reserve(nMaxOutputLength); + for (sal_Int32 j = 0; j < length; j+=2) { + const Sequence< OUString >& temp = bodyCascade[_numCascade]->transliterateRange(inStrs[j], inStrs[j+1]); + + for (const auto& rStr : temp) { + if ( j_tmp++ >= nMaxOutputLength ) throw RuntimeException(); + ostr.push_back(rStr); + } + } + + return getRange(comphelper::containerToSequence(ostr), j_tmp, ++_numCascade); +} + + +Sequence< OUString > SAL_CALL +TransliterationImpl::transliterateRange( const OUString& str1, const OUString& str2 ) +{ + if (numCascade == 1) + return bodyCascade[0]->transliterateRange(str1, str2); + + Sequence< OUString > ostr{ str1, str2 }; + + return getRange(ostr, 2, 0); +} + + +sal_Int32 SAL_CALL +TransliterationImpl::compareSubstring( + const OUString& str1, sal_Int32 off1, sal_Int32 len1, + const OUString& str2, sal_Int32 off2, sal_Int32 len2) +{ + if (caseignoreOnly && caseignore.is()) + return caseignore->compareSubstring(str1, off1, len1, str2, off2, len2); + + Sequence <sal_Int32> offset; + + OUString in_str1 = transliterate(str1, off1, len1, offset); + OUString in_str2 = transliterate(str2, off2, len2, offset); + const sal_Unicode* unistr1 = in_str1.getStr(); + const sal_Unicode* unistr2 = in_str2.getStr(); + sal_Int32 strlen1 = in_str1.getLength(); + sal_Int32 strlen2 = in_str2.getLength(); + + while (strlen1 && strlen2) { + if (*unistr1 != *unistr2) + return *unistr1 > *unistr2 ? 1 : -1; + + unistr1++; unistr2++; strlen1--; strlen2--; + } + return strlen1 == strlen2 ? 0 : (strlen1 > strlen2 ? 1 : -1); +} + + +sal_Int32 SAL_CALL +TransliterationImpl::compareString(const OUString& str1, const OUString& str2 ) +{ + if (caseignoreOnly && caseignore.is()) + return caseignore->compareString(str1, str2); + else + return compareSubstring(str1, 0, str1.getLength(), str2, 0, str2.getLength()); +} + + +void +TransliterationImpl::clear() +{ + for (sal_Int32 i = 0; i < numCascade; i++) + if (bodyCascade[i].is()) + bodyCascade[i].clear(); + numCascade = 0; + caseignore.clear(); + caseignoreOnly = true; +} + +namespace +{ + /** structure to cache the last transliteration body used. */ + struct TransBody + { + OUString Name; + css::uno::Reference< css::i18n::XExtendedTransliteration > Body; + }; +} + +void TransliterationImpl::loadBody( OUString const &implName, Reference<XExtendedTransliteration>& body ) +{ + assert(!implName.isEmpty()); + static std::mutex transBodyMutex; + std::unique_lock guard(transBodyMutex); + static TransBody lastTransBody; + if (implName != lastTransBody.Name) + { + lastTransBody.Body.set( + mxContext->getServiceManager()->createInstanceWithContext(implName, mxContext), UNO_QUERY_THROW); + lastTransBody.Name = implName; + } + body = lastTransBody.Body; +} + +bool +TransliterationImpl::loadModuleByName( std::u16string_view implName, + Reference<XExtendedTransliteration>& body, const Locale& rLocale) +{ + OUString cname = OUString::Concat(TRLT_IMPLNAME_PREFIX) + implName; + loadBody(cname, body); + if (body.is()) { + body->loadModule(TransliterationModules(0), rLocale); // toUpper/toLoad need rLocale + + // if the module is ignore case/kana/width, load caseignore for equals/compareString mothed + for (sal_Int16 i = 0; i < 3; i++) { + if (o3tl::equalsAscii(implName, TMlist[i].implName)) { + if (i == 0) // current module is caseignore + body->loadModule(TMlist[0].tm, rLocale); // caseignore need to setup module name + if (! caseignore.is()) { + OUString bname = TRLT_IMPLNAME_PREFIX + + OUString::createFromAscii(TMlist[0].implName); + loadBody(bname, caseignore); + } + if (caseignore.is()) + caseignore->loadModule(TMlist[i].tm, rLocale); + return true; + } + } + caseignoreOnly = false; // has other module than just ignore case/kana/width + } + return body.is(); +} + +OUString SAL_CALL +TransliterationImpl::getImplementationName() +{ + return "com.sun.star.i18n.Transliteration"; +} + +sal_Bool SAL_CALL +TransliterationImpl::supportsService(const OUString& rServiceName) +{ + return cppu::supportsService(this, rServiceName); +} + +Sequence< OUString > SAL_CALL +TransliterationImpl::getSupportedServiceNames() +{ + return { "com.sun.star.i18n.Transliteration" }; +} + +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +com_sun_star_i18n_Transliteration_get_implementation( + css::uno::XComponentContext *context, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(new i18npool::TransliterationImpl(context)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |