i18npool/source/indexentry/indexentrysupplier_asian.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
  21 #include <rtl/ustrbuf.hxx>
  22 #include <indexentrysupplier_asian.hxx>
  23 #include <data/indexdata_alphanumeric.h>
  24
  25 using namespace ::com::sun::star::uno;
  26 using namespace ::com::sun::star::lang;
  27
  28 namespace com { namespace sun { namespace star { namespace i18n {
  29
  30 #ifndef DISABLE_DYNLOADING
  31
  32 extern "C" { static void SAL_CALL thisModule() {} }
  33
  34 #endif
  35
  36 IndexEntrySupplier_asian::IndexEntrySupplier_asian(
  37     const Reference < XComponentContext >& rxContext ) : IndexEntrySupplier_Common(rxContext)
  38 {
  39     implementationName = "com.sun.star.i18n.IndexEntrySupplier_asian";
  40 #ifndef DISABLE_DYNLOADING
  41 #ifdef SAL_DLLPREFIX
  42     OUString lib(SAL_DLLPREFIX"index_data" SAL_DLLEXTENSION);
  43 #else
  44     OUString lib("index_data" SAL_DLLEXTENSION);
  45 #endif
  46     hModule = osl_loadModuleRelative(
  47         &thisModule, lib.pData, SAL_LOADMODULE_DEFAULT );
  48 #endif
  49 }
  50
  51 IndexEntrySupplier_asian::~IndexEntrySupplier_asian()
  52 {
  53 #ifndef DISABLE_DYNLOADING
  54     if (hModule) osl_unloadModule(hModule);
  55 #endif
  56 }
  57
  58 #ifdef DISABLE_DYNLOADING
  59
  60 extern "C" {
  61
  62 sal_uInt16** get_indexdata_ko_dict(sal_Int16*);
  63 sal_uInt16** get_indexdata_zh_TW_radical(sal_Int16*);
  64 sal_uInt16** get_indexdata_zh_TW_stroke(sal_Int16*);
  65 sal_uInt16** get_indexdata_zh_pinyin(sal_Int16*);
  66 sal_uInt16** get_indexdata_zh_radical(sal_Int16*);
  67 sal_uInt16** get_indexdata_zh_stroke(sal_Int16*);
  68 sal_uInt16** get_indexdata_zh_zhuyin(sal_Int16*);
  69
  70 sal_uInt16** get_ko_phonetic(sal_Int16*);
  71 sal_uInt16** get_zh_pinyin(sal_Int16*);
  72 sal_uInt16** get_zh_zhuyin(sal_Int16*);
  73
  74 }
  75
  76 #endif
  77
  78 OUString SAL_CALL
  79 IndexEntrySupplier_asian::getIndexCharacter( const OUString& rIndexEntry,
  80     const Locale& rLocale, const OUString& rAlgorithm )
  81 {
  82     sal_Int32 i=0;
  83     sal_uInt32 ch = rIndexEntry.iterateCodePoints(&i, 0);
  84
  85     sal_uInt16** (*func)(sal_Int16*)=nullptr;
  86 #ifndef DISABLE_DYNLOADING
  87     if (hModule) {
  88         OUString get("get_indexdata_");
  89         if ( rLocale.Language == "zh" && OUString( "TW HK MO" ).indexOf(rLocale.Country) >= 0 )
  90             func=reinterpret_cast<sal_uInt16** (*)(sal_Int16*)>(osl_getFunctionSymbol(hModule, OUString(get+rLocale.Language+"_TW_"+rAlgorithm).pData));
  91         if (!func)
  92             func=reinterpret_cast<sal_uInt16** (*)(sal_Int16*)>(osl_getFunctionSymbol(hModule, OUString(get+rLocale.Language+"_"+rAlgorithm).pData));
  93     }
  94 #else
  95     if ( rLocale.Language == "zh" && OUString( "TW HK MO" ).indexOf(rLocale.Country) >= 0 ) {
  96         if ( rAlgorithm == "radical" )
  97             func = get_indexdata_zh_TW_radical;
  98         else if ( rAlgorithm == "stroke" )
  99             func = get_indexdata_zh_TW_stroke;
 100     }
 101     if (!func) {
 102         if ( rLocale.Language == "ko" ) {
 103             if ( rAlgorithm == "dict" )
 104                 func = get_indexdata_ko_dict;
 105         } else if ( rLocale.Language == "zh" ) {
 106             if ( rAlgorithm == "pinyin" )
 107                 func = get_indexdata_zh_pinyin;
 108             else if ( rAlgorithm == "radical" )
 109                 func = get_indexdata_zh_radical;
 110             else if ( rAlgorithm == "stroke" )
 111                 func = get_indexdata_zh_stroke;
 112             else if ( rAlgorithm == "zhuyin" )
 113                 func = get_indexdata_zh_zhuyin;
 114         }
 115     }
 116 #endif
 117     if (func) {
 118         sal_Int16 max_index;
 119         sal_uInt16** idx=func(&max_index);
 120         if (((sal_Int16)(ch >> 8)) <= max_index) {
 121             sal_uInt16 address=idx[0][ch >> 8];
 122             if (address != 0xFFFF) {
 123                 address=idx[1][address+(ch & 0xFF)];
 124                 return idx[2]
 125                     ? OUString(
 126                         reinterpret_cast<sal_Unicode *>(&idx[2][address]))
 127                     : OUString(sal_Unicode(address));
 128             }
 129         }
 130     }
 131
 132     // using alphanumeric index for non-define string
 133     return OUString(&idxStr[(ch & 0xFFFFFF00) ? 0 : ch], 1);
 134 }
 135
 136 OUString SAL_CALL
 137 IndexEntrySupplier_asian::getIndexKey( const OUString& rIndexEntry,
 138     const OUString& rPhoneticEntry, const Locale& rLocale)
 139 {
 140     return getIndexCharacter(getEntry(rIndexEntry, rPhoneticEntry, rLocale), rLocale, aAlgorithm);
 141 }
 142
 143 sal_Int16 SAL_CALL
 144 IndexEntrySupplier_asian::compareIndexEntry(
 145     const OUString& rIndexEntry1, const OUString& rPhoneticEntry1, const Locale& rLocale1,
 146     const OUString& rIndexEntry2, const OUString& rPhoneticEntry2, const Locale& rLocale2 )
 147 {
 148     sal_Int32 result = collator->compareString(getEntry(rIndexEntry1, rPhoneticEntry1, rLocale1),
 149                                     getEntry(rIndexEntry2, rPhoneticEntry2, rLocale2));
 150
 151     // equivalent of phonetic entries does not mean equivalent of index entries.
 152     // we have to continue comparing index entry here.
 153     if (result == 0 && usePhonetic && !rPhoneticEntry1.isEmpty() &&
 154             rLocale1.Language == rLocale2.Language && rLocale1.Country == rLocale2.Country &&
 155             rLocale1.Variant == rLocale2.Variant)
 156         result = collator->compareString(rIndexEntry1, rIndexEntry2);
 157     return sal::static_int_cast< sal_Int16 >(result); // result in { -1, 0, 1 }
 158 }
 159
 160 OUString SAL_CALL
 161 IndexEntrySupplier_asian::getPhoneticCandidate( const OUString& rIndexEntry,
 162         const Locale& rLocale )
 163 {
 164     sal_uInt16 **(*func)(sal_Int16*)=nullptr;
 165 #ifndef DISABLE_DYNLOADING
 166     if (hModule) {
 167         const sal_Char *func_name=nullptr;
 168         if ( rLocale.Language == "zh" )
 169             func_name=(OUString("TW HK MO").indexOf(rLocale.Country) >= 0) ?  "get_zh_zhuyin" : "get_zh_pinyin";
 170         else if ( rLocale.Language == "ko" )
 171             func_name="get_ko_phonetic";
 172         if (func_name)
 173             func=reinterpret_cast<sal_uInt16 **(*)(sal_Int16*)>(osl_getFunctionSymbol(hModule, OUString::createFromAscii(func_name).pData));
 174     }
 175 #else
 176     if ( rLocale.Language == "zh" )
 177         func = (OUString("TW HK MO").indexOf(rLocale.Country) >= 0) ?  get_zh_zhuyin : get_zh_pinyin;
 178     else if ( rLocale.Language == "ko" )
 179         func = get_ko_phonetic;
 180
 181 #endif
 182     if (func) {
 183         OUStringBuffer candidate;
 184         sal_Int16 max_index;
 185         sal_uInt16** idx=func(&max_index);
 186         for (sal_Int32 i=0,j=0; i < rIndexEntry.getLength(); i=j) {
 187             sal_uInt32 ch = rIndexEntry.iterateCodePoints(&j);
 188             if (((sal_Int16)(ch>>8)) <= max_index) {
 189                 sal_uInt16 address = idx[0][ch>>8];
 190                 if (address != 0xFFFF) {
 191                     address = idx[1][address + (ch & 0xFF)];
 192                     if ( i > 0 && rLocale.Language == "zh" )
 193                         candidate.append(" ");
 194                     if (idx[2])
 195                         candidate.append(
 196                             reinterpret_cast<sal_Unicode *>(&idx[2][address]));
 197                     else
 198                         candidate.append(sal_Unicode(address));
 199                 } else
 200                     candidate.append(" ");
 201             }
 202         }
 203         return candidate.makeStringAndClear();
 204     }
 205     return OUString();
 206 }
 207 } } } }
 208
 209 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */