i18npool/source/transliteration/textToPronounce_zh.cxx

   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 #include <sal/config.h>
  21
  22 #include <com/sun/star/i18n/MultipleCharsOutputException.hpp>
  23 #include <com/sun/star/i18n/TransliterationType.hpp>
  24 #include <rtl/ustring.hxx>
  25 #include <rtl/ustrbuf.hxx>
  26
  27 #include <textToPronounce_zh.hxx>
  28
  29 using namespace com::sun::star::i18n;
  30 using namespace com::sun::star::uno;
  31
  32 namespace i18npool {
  33
  34 sal_Int16 SAL_CALL TextToPronounce_zh::getType()
  35 {
  36     return TransliterationType::ONE_TO_ONE| TransliterationType::IGNORE;
  37 }
  38
  39 const sal_Unicode*
  40 TextToPronounce_zh::getPronounce(const sal_Unicode ch)
  41 {
  42     static const sal_Unicode emptyString[]={0};
  43     if (idx) {
  44         sal_uInt16 address = idx[0][ch>>8];
  45         if (address != 0xFFFF)
  46             return reinterpret_cast<sal_Unicode *>(
  47                 &idx[2][idx[1][address + (ch & 0xFF)]]);
  48     }
  49     return emptyString;
  50 }
  51
  52 OUString
  53 TextToPronounce_zh::foldingImpl(const OUString & inStr, sal_Int32 startPos,
  54         sal_Int32 nCount, Sequence< sal_Int32 > & offset, bool useOffset)
  55 {
  56     OUStringBuffer sb;
  57     const sal_Unicode * chArr = inStr.getStr() + startPos;
  58
  59     if (startPos < 0)
  60         throw RuntimeException();
  61
  62     if (startPos + nCount > inStr.getLength())
  63         nCount = inStr.getLength() - startPos;
  64
  65     offset[0] = 0;
  66     for (sal_Int32 i = 0; i < nCount; i++) {
  67         OUString pron(getPronounce(chArr[i]));
  68         sb.append(pron);
  69
  70         if (useOffset)
  71             offset[i + 1] = offset[i] + pron.getLength();
  72     }
  73     return sb.makeStringAndClear();
  74 }
  75
  76 OUString SAL_CALL
  77 TextToPronounce_zh::transliterateChar2String( sal_Unicode inChar)
  78 {
  79     return OUString(getPronounce(inChar));
  80 }
  81
  82 sal_Unicode SAL_CALL
  83 TextToPronounce_zh::transliterateChar2Char( sal_Unicode inChar)
  84 {
  85     const sal_Unicode* pron=getPronounce(inChar);
  86     if (!pron || !pron[0])
  87         return 0;
  88     if (pron[1])
  89         throw MultipleCharsOutputException();
  90     return *pron;
  91 }
  92
  93 sal_Bool SAL_CALL
  94 TextToPronounce_zh::equals( const OUString & str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32 & nMatch1,
  95         const OUString & str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32 & nMatch2)
  96 {
  97     sal_Int32 realCount;
  98     int i;  // loop variable
  99     const sal_Unicode * s1, * s2;
 100
 101     if (nCount1 + pos1 > str1.getLength())
 102         nCount1 = str1.getLength() - pos1;
 103
 104     if (nCount2 + pos2 > str2.getLength())
 105         nCount2 = str2.getLength() - pos2;
 106
 107     realCount = std::min(nCount1, nCount2);
 108
 109     s1 = str1.getStr() + pos1;
 110     s2 = str2.getStr() + pos2;
 111     for (i = 0; i < realCount; i++) {
 112         const sal_Unicode *pron1 = getPronounce(*s1++);
 113         const sal_Unicode *pron2 = getPronounce(*s2++);
 114         if (pron1 != pron2) {
 115             nMatch1 = nMatch2 = i;
 116             return false;
 117         }
 118     }
 119     nMatch1 = nMatch2 = realCount;
 120     return (nCount1 == nCount2);
 121 }
 122
 123 #ifdef DISABLE_DYNLOADING
 124
 125 extern "C" {
 126
 127 sal_uInt16** get_zh_zhuyin();
 128 sal_uInt16** get_zh_pinyin();
 129
 130 }
 131
 132 #endif
 133
 134 TextToPinyin_zh_CN::TextToPinyin_zh_CN() :
 135 #ifndef DISABLE_DYNLOADING
 136     TextToPronounce_zh("get_zh_pinyin")
 137 #else
 138     TextToPronounce_zh(get_zh_pinyin)
 139 #endif
 140 {
 141         transliterationName = "ChineseCharacterToPinyin";
 142         implementationName = "com.sun.star.i18n.Transliteration.TextToPinyin_zh_CN";
 143 }
 144
 145 TextToChuyin_zh_TW::TextToChuyin_zh_TW() :
 146 #ifndef DISABLE_DYNLOADING
 147     TextToPronounce_zh("get_zh_zhuyin")
 148 #else
 149     TextToPronounce_zh(get_zh_zhuyin)
 150 #endif
 151 {
 152         transliterationName = "ChineseCharacterToChuyin";
 153         implementationName = "com.sun.star.i18n.Transliteration.TextToChuyin_zh_TW";
 154 }
 155
 156 #ifndef DISABLE_DYNLOADING
 157
 158 extern "C" { static void thisModule() {} }
 159
 160 TextToPronounce_zh::TextToPronounce_zh(const sal_Char* func_name)
 161 {
 162 #ifdef SAL_DLLPREFIX
 163     OUString lib(SAL_DLLPREFIX"index_data" SAL_DLLEXTENSION);
 164 #else
 165     OUString lib("index_data" SAL_DLLEXTENSION);
 166 #endif
 167     hModule = osl_loadModuleRelative(
 168         &thisModule, lib.pData, SAL_LOADMODULE_DEFAULT );
 169     idx=nullptr;
 170     if (hModule) {
 171         sal_uInt16** (*function)() = reinterpret_cast<sal_uInt16** (*)()>(osl_getFunctionSymbol(hModule, OUString::createFromAscii(func_name).pData));
 172         if (function)
 173             idx=function();
 174     }
 175 }
 176
 177 #else
 178
 179 TextToPronounce_zh::TextToPronounce_zh(sal_uInt16 ** (*function)())
 180 {
 181     idx = function();
 182 }
 183
 184 #endif
 185
 186 TextToPronounce_zh::~TextToPronounce_zh()
 187 {
 188 #ifndef DISABLE_DYNLOADING
 189     if (hModule) osl_unloadModule(hModule);
 190 #endif
 191 }
 192 }
 193
 194 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */