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 <collatorImpl.hxx>
  23 #include <indexentrysupplier_asian.hxx>
  24 #include "data/indexdata_alphanumeric.h"
  25
  26 using namespace ::com::sun::star::uno;
  27 using namespace ::com::sun::star::lang;
  28
  29 namespace i18npool {
  30
  31 #ifndef DISABLE_DYNLOADING
  32
  33 extern "C" { static void thisModule() {} }
  34
  35 #endif
  36
  37 IndexEntrySupplier_asian::IndexEntrySupplier_asian(
  38     const Reference < XComponentContext >& rxContext ) : IndexEntrySupplier_Common(rxContext)
  39 {
  40     implementationName = "com.sun.star.i18n.IndexEntrySupplier_asian";
  41 #ifndef DISABLE_DYNLOADING
  42 #ifdef SAL_DLLPREFIX
  43     OUString lib(SAL_DLLPREFIX"index_data" SAL_DLLEXTENSION);
  44 #else
  45     OUString lib("index_data" SAL_DLLEXTENSION);
  46 #endif
  47     hModule = osl_loadModuleRelative(
  48         &thisModule, lib.pData, SAL_LOADMODULE_DEFAULT );
  49 #endif
  50 }
  51
  52 IndexEntrySupplier_asian::~IndexEntrySupplier_asian()
  53 {
  54 #ifndef DISABLE_DYNLOADING
  55     if (hModule) osl_unloadModule(hModule);
  56 #endif
  57 }
  58
  59 #ifdef DISABLE_DYNLOADING
  60
  61 extern "C" {
  62
  63 sal_uInt16** get_indexdata_ko_dict(sal_Int16*);
  64 sal_uInt16** get_indexdata_zh_TW_radical(sal_Int16*);
  65 sal_uInt16** get_indexdata_zh_TW_stroke(sal_Int16*);
  66 sal_uInt16** get_indexdata_zh_pinyin(sal_Int16*);
  67 sal_uInt16** get_indexdata_zh_radical(sal_Int16*);
  68 sal_uInt16** get_indexdata_zh_stroke(sal_Int16*);
  69 sal_uInt16** get_indexdata_zh_zhuyin(sal_Int16*);
  70
  71 sal_uInt16** get_ko_phonetic(sal_Int16*);
  72 sal_uInt16** get_zh_pinyin(sal_Int16*);
  73 sal_uInt16** get_zh_zhuyin(sal_Int16*);
  74
  75 }
  76
  77 #endif
  78
  79 OUString SAL_CALL
  80 IndexEntrySupplier_asian::getIndexCharacter( const OUString& rIndexEntry,
  81     const Locale& rLocale, const OUString& rAlgorithm )
  82 {
  83     sal_Int32 i=0;
  84     sal_uInt32 ch = rIndexEntry.iterateCodePoints(&i, 0);
  85
  86     sal_uInt16** (*func)(sal_Int16*)=nullptr;
  87 #ifndef DISABLE_DYNLOADING
  88     if (hModule) {
  89         OUString get("get_indexdata_");
  90         if ( rLocale.Language == "zh" && OUString( "TW HK MO" ).indexOf(rLocale.Country) >= 0 )
  91             func=reinterpret_cast<sal_uInt16** (*)(sal_Int16*)>(osl_getFunctionSymbol(hModule, OUString(get+rLocale.Language+"_TW_"+rAlgorithm).pData));
  92         if (!func)
  93             func=reinterpret_cast<sal_uInt16** (*)(sal_Int16*)>(osl_getFunctionSymbol(hModule, OUString(get+rLocale.Language+"_"+rAlgorithm).pData));
  94     }
  95 #else
  96     if ( rLocale.Language == "zh" && OUString( "TW HK MO" ).indexOf(rLocale.Country) >= 0 ) {
  97         if ( rAlgorithm == "radical" )
  98             func = get_indexdata_zh_TW_radical;
  99         else if ( rAlgorithm == "stroke" )
 100             func = get_indexdata_zh_TW_stroke;
 101     }
 102     if (!func) {
 103         if ( rLocale.Language == "ko" ) {
 104             if ( rAlgorithm == "dict" )
 105                 func = get_indexdata_ko_dict;
 106         } else if ( rLocale.Language == "zh" ) {
 107             if ( rAlgorithm == "pinyin" )
 108                 func = get_indexdata_zh_pinyin;
 109             else if ( rAlgorithm == "radical" )
 110                 func = get_indexdata_zh_radical;
 111             else if ( rAlgorithm == "stroke" )
 112                 func = get_indexdata_zh_stroke;
 113             else if ( rAlgorithm == "zhuyin" )
 114                 func = get_indexdata_zh_zhuyin;
 115         }
 116     }
 117 #endif
 118     if (func) {
 119         sal_Int16 max_index;
 120         sal_uInt16** idx=func(&max_index);
 121         if (static_cast<sal_Int16>(ch >> 8) <= max_index) {
 122             sal_uInt16 address=idx[0][ch >> 8];
 123             if (address != 0xFFFF) {
 124                 address=idx[1][address+(ch & 0xFF)];
 125                 return idx[2]
 126                     ? OUString(
 127                         reinterpret_cast<sal_Unicode *>(&idx[2][address]))
 128                     : OUString(sal_Unicode(address));
 129             }
 130         }
 131     }
 132
 133     // using alphanumeric index for non-define string
 134     return OUString(&idxStr[(ch & 0xFFFFFF00) ? 0 : ch], 1);
 135 }
 136
 137 OUString SAL_CALL
 138 IndexEntrySupplier_asian::getIndexKey( const OUString& rIndexEntry,
 139     const OUString& rPhoneticEntry, const Locale& rLocale)
 140 {
 141     return getIndexCharacter(getEntry(rIndexEntry, rPhoneticEntry, rLocale), rLocale, aAlgorithm);
 142 }
 143
 144 sal_Int16 SAL_CALL
 145 IndexEntrySupplier_asian::compareIndexEntry(
 146     const OUString& rIndexEntry1, const OUString& rPhoneticEntry1, const Locale& rLocale1,
 147     const OUString& rIndexEntry2, const OUString& rPhoneticEntry2, const Locale& rLocale2 )
 148 {
 149     sal_Int32 result = collator->compareString(getEntry(rIndexEntry1, rPhoneticEntry1, rLocale1),
 150                                     getEntry(rIndexEntry2, rPhoneticEntry2, rLocale2));
 151
 152     // equivalent of phonetic entries does not mean equivalent of index entries.
 153     // we have to continue comparing index entry here.
 154     if (result == 0 && usePhonetic && !rPhoneticEntry1.isEmpty() &&
 155             rLocale1.Language == rLocale2.Language && rLocale1.Country == rLocale2.Country &&
 156             rLocale1.Variant == rLocale2.Variant)
 157         result = collator->compareString(rIndexEntry1, rIndexEntry2);
 158     return sal::static_int_cast< sal_Int16 >(result); // result in { -1, 0, 1 }
 159 }
 160
 161 OUString SAL_CALL
 162 IndexEntrySupplier_asian::getPhoneticCandidate( const OUString& rIndexEntry,
 163         const Locale& rLocale )
 164 {
 165     sal_uInt16 **(*func)(sal_Int16*)=nullptr;
 166 #ifndef DISABLE_DYNLOADING
 167     if (hModule) {
 168         const sal_Char *func_name=nullptr;
 169         if ( rLocale.Language == "zh" )
 170             func_name=(OUString("TW HK MO").indexOf(rLocale.Country) >= 0) ?  "get_zh_zhuyin" : "get_zh_pinyin";
 171         else if ( rLocale.Language == "ko" )
 172             func_name="get_ko_phonetic";
 173         if (func_name)
 174             func=reinterpret_cast<sal_uInt16 **(*)(sal_Int16*)>(osl_getFunctionSymbol(hModule, OUString::createFromAscii(func_name).pData));
 175     }
 176 #else
 177     if ( rLocale.Language == "zh" )
 178         func = (OUString("TW HK MO").indexOf(rLocale.Country) >= 0) ?  get_zh_zhuyin : get_zh_pinyin;
 179     else if ( rLocale.Language == "ko" )
 180         func = get_ko_phonetic;
 181
 182 #endif
 183     if (func) {
 184         OUStringBuffer candidate;
 185         sal_Int16 max_index;
 186         sal_uInt16** idx=func(&max_index);
 187         for (sal_Int32 i=0,j=0; i < rIndexEntry.getLength(); i=j) {
 188             sal_uInt32 ch = rIndexEntry.iterateCodePoints(&j);
 189             if (static_cast<sal_Int16>(ch>>8) <= max_index) {
 190                 sal_uInt16 address = idx[0][ch>>8];
 191                 if (address != 0xFFFF) {
 192                     address = idx[1][address + (ch & 0xFF)];
 193                     if ( i > 0 && rLocale.Language == "zh" )
 194                         candidate.append(" ");
 195                     if (idx[2])
 196                         candidate.append(
 197                             reinterpret_cast<sal_Unicode *>(&idx[2][address]));
 198                     else
 199                         candidate.append(sal_Unicode(address));
 200                 } else
 201                     candidate.append(" ");
 202             }
 203         }
 204         return candidate.makeStringAndClear();
 205     }
 206     return OUString();
 207 }
 208
 209 }
 210
 211
 212 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */