i18npool/source/collator/collator_unicode.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 // generated list of languages
  22 #include "lrl_include.hxx"
  23
  24 #include <rtl/ustrbuf.hxx>
  25 #include <i18nlangtag/languagetag.hxx>
  26 #include <i18nlangtag/languagetagicu.hxx>
  27 #include <collator_unicode.hxx>
  28 #include <localedata.hxx>
  29 #include <com/sun/star/i18n/CollatorOptions.hpp>
  30
  31 using namespace ::com::sun::star;
  32 using namespace ::com::sun::star::lang;
  33 using namespace ::com::sun::star::uno;
  34 using namespace ::rtl;
  35
  36 namespace com { namespace sun { namespace star { namespace i18n {
  37
  38 Collator_Unicode::Collator_Unicode()
  39 {
  40     implementationName = "com.sun.star.i18n.Collator_Unicode";
  41     collator = NULL;
  42     uca_base = NULL;
  43 #ifndef DISABLE_DYNLOADING
  44     hModule = NULL;
  45 #endif
  46 }
  47
  48 Collator_Unicode::~Collator_Unicode()
  49 {
  50     if (collator) delete collator;
  51     if (uca_base) delete uca_base;
  52 #ifndef DISABLE_DYNLOADING
  53     if (hModule) osl_unloadModule(hModule);
  54 #endif
  55 }
  56
  57 #ifdef DISABLE_DYNLOADING
  58
  59 extern "C" {
  60
  61 // For DISABLE_DYNLOADING the generated functions have names that
  62 // start with get_collator_data_ to avoid clashing with a few
  63 // functions in the generated libindex_data that are called just
  64 // get_zh_pinyin for instance.
  65
  66 const sal_uInt8* get_collator_data_ca_charset();
  67 const sal_uInt8* get_collator_data_dz_charset();
  68 const sal_uInt8* get_collator_data_hu_charset();
  69 const sal_uInt8* get_collator_data_ja_charset();
  70 const sal_uInt8* get_collator_data_ja_phonetic_alphanumeric_first();
  71 const sal_uInt8* get_collator_data_ja_phonetic_alphanumeric_last();
  72 const sal_uInt8* get_collator_data_ko_charset();
  73 const sal_uInt8* get_collator_data_ku_alphanumeric();
  74 const sal_uInt8* get_collator_data_ln_charset();
  75 const sal_uInt8* get_collator_data_my_dictionary();
  76 const sal_uInt8* get_collator_data_ne_charset();
  77 const sal_uInt8* get_collator_data_sid_charset();
  78 const sal_uInt8* get_collator_data_zh_TW_charset();
  79 const sal_uInt8* get_collator_data_zh_TW_radical();
  80 const sal_uInt8* get_collator_data_zh_TW_stroke();
  81 const sal_uInt8* get_collator_data_zh_charset();
  82 const sal_uInt8* get_collator_data_zh_pinyin();
  83 const sal_uInt8* get_collator_data_zh_radical();
  84 const sal_uInt8* get_collator_data_zh_stroke();
  85 const sal_uInt8* get_collator_data_zh_zhuyin();
  86
  87 }
  88
  89 #endif
  90
  91 sal_Int32 SAL_CALL
  92 Collator_Unicode::compareSubstring( const OUString& str1, sal_Int32 off1, sal_Int32 len1,
  93     const OUString& str2, sal_Int32 off2, sal_Int32 len2) throw(RuntimeException)
  94 {
  95     return collator->compare(reinterpret_cast<const UChar *>(str1.getStr()) + off1, len1, reinterpret_cast<const UChar *>(str2.getStr()) + off2, len2); // UChar != sal_Unicode in MinGW
  96 }
  97
  98 sal_Int32 SAL_CALL
  99 Collator_Unicode::compareString( const OUString& str1, const OUString& str2) throw(RuntimeException)
 100 {
 101     return collator->compare(reinterpret_cast<const UChar *>(str1.getStr()), reinterpret_cast<const UChar *>(str2.getStr()));   // UChar != sal_Unicode in MinGW
 102 }
 103
 104 #ifndef DISABLE_DYNLOADING
 105
 106 extern "C" { static void SAL_CALL thisModule() {} }
 107
 108 #endif
 109
 110 sal_Int32 SAL_CALL
 111 Collator_Unicode::loadCollatorAlgorithm(const OUString& rAlgorithm, const lang::Locale& rLocale, sal_Int32 options)
 112     throw(RuntimeException)
 113 {
 114     if (!collator) {
 115         UErrorCode status = U_ZERO_ERROR;
 116         OUString rule = LocaleData().getCollatorRuleByAlgorithm(rLocale, rAlgorithm);
 117         if (!rule.isEmpty()) {
 118             collator = new RuleBasedCollator(reinterpret_cast<const UChar *>(rule.getStr()), status);   // UChar != sal_Unicode in MinGW
 119             if (! U_SUCCESS(status)) throw RuntimeException();
 120         }
 121         if (!collator && OUString::createFromAscii(LOCAL_RULE_LANGS).indexOf(rLocale.Language) >= 0) {
 122             const sal_uInt8* (*func)() = NULL;
 123
 124 #ifndef DISABLE_DYNLOADING
 125             OUStringBuffer aBuf;
 126 #ifdef SAL_DLLPREFIX
 127             aBuf.appendAscii(SAL_DLLPREFIX);
 128 #endif
 129             aBuf.appendAscii( "collator_data" ).appendAscii( SAL_DLLEXTENSION );
 130             hModule = osl_loadModuleRelative( &thisModule, aBuf.makeStringAndClear().pData, SAL_LOADMODULE_DEFAULT );
 131             if (hModule) {
 132                 aBuf.appendAscii("get_").append(rLocale.Language).appendAscii("_");
 133                 if ( rLocale.Language == "zh" ) {
 134                     OUString func_base = aBuf.makeStringAndClear();
 135                     if (OUString("TW HK MO").indexOf(rLocale.Country) >= 0)
 136                         func=(const sal_uInt8* (*)()) osl_getFunctionSymbol(hModule,
 137                                     OUString(func_base + "TW_" + rAlgorithm).pData);
 138                     if (!func)
 139                         func=(const sal_uInt8* (*)()) osl_getFunctionSymbol(hModule, OUString(func_base + rAlgorithm).pData);
 140                 } else {
 141                     if ( rLocale.Language == "ja" ) {
 142                         // replace algorithm name to implementation name.
 143                         if (rAlgorithm.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("phonetic (alphanumeric first)")) )
 144                             aBuf.appendAscii("phonetic_alphanumeric_first");
 145                         else if (rAlgorithm.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("phonetic (alphanumeric last)")))
 146                             aBuf.appendAscii("phonetic_alphanumeric_last");
 147                         else
 148                             aBuf.append(rAlgorithm);
 149                     } else {
 150                         aBuf.append(rAlgorithm);
 151                     }
 152                     func=(const sal_uInt8* (*)()) osl_getFunctionSymbol(hModule, aBuf.makeStringAndClear().pData);
 153                 }
 154             }
 155 #else
 156             if ( rLocale.Language == "ca" ) {
 157                 if ( rAlgorithm == "charset" )
 158                     func = get_collator_data_ca_charset;
 159             } else if ( rLocale.Language == "dz" ) {
 160                 if ( rAlgorithm == "charset" )
 161                     func = get_collator_data_dz_charset;
 162             } else if ( rLocale.Language == "hu" ) {
 163                 if ( rAlgorithm == "charset" )
 164                     func = get_collator_data_hu_charset;
 165             } else if ( rLocale.Language == "ja" ) {
 166                 if ( rAlgorithm == "charset" )
 167                     func = get_collator_data_ja_charset;
 168                 else if ( rAlgorithm == "phonetic (alphanumeric first)" )
 169                     func = get_collator_data_ja_phonetic_alphanumeric_first;
 170                 else if ( rAlgorithm == "phonetic (alphanumeric last)" )
 171                     func = get_collator_data_ja_phonetic_alphanumeric_last;
 172             } else if ( rLocale.Language == "ko" ) {
 173                 if ( rAlgorithm == "charset" )
 174                     func = get_collator_data_ko_charset;
 175             } else if ( rLocale.Language == "ku" ) {
 176                 if ( rAlgorithm == "alphanumeric" )
 177                     func = get_collator_data_ku_alphanumeric;
 178             } else if ( rLocale.Language == "ln" ) {
 179                 if ( rAlgorithm == "charset" )
 180                     func = get_collator_data_ln_charset;
 181             } else if ( rLocale.Language == "my" ) {
 182                 if ( rAlgorithm == "dictionary" )
 183                     func = get_collator_data_my_dictionary;
 184             } else if ( rLocale.Language == "ne" ) {
 185                 if ( rAlgorithm == "charset" )
 186                     func = get_collator_data_ne_charset;
 187             } else if ( rLocale.Language == "sid" ) {
 188                 if ( rAlgorithm == "charset" )
 189                     func = get_collator_data_sid_charset;
 190             } else if ( rLocale.Language == "zh" && (rLocale.Country == "TW" || rLocale.Country == "HK" || rLocale.Country == "MO") ) {
 191                 if ( rAlgorithm == "charset" )
 192                     func = get_collator_data_zh_TW_charset;
 193                 else if ( rAlgorithm == "radical" )
 194                     func = get_collator_data_zh_TW_radical;
 195                 else if ( rAlgorithm == "stroke" )
 196                     func = get_collator_data_zh_TW_stroke;
 197             } else if ( rLocale.Language == "zh" ) {
 198                 if ( rAlgorithm == "charset" )
 199                     func = get_collator_data_zh_charset;
 200                 else if ( rAlgorithm == "pinyin" )
 201                     func = get_collator_data_zh_pinyin;
 202                 else if ( rAlgorithm == "radical" )
 203                     func = get_collator_data_zh_radical;
 204                 else if ( rAlgorithm == "stroke" )
 205                     func = get_collator_data_zh_stroke;
 206                 else if ( rAlgorithm == "zhuyin" )
 207                     func = get_collator_data_zh_zhuyin;
 208             }
 209 #endif
 210             if (func) {
 211                 const sal_uInt8* ruleImage=func();
 212                 uca_base = new RuleBasedCollator(static_cast<UChar*>(NULL), status);
 213                 if (! U_SUCCESS(status)) throw RuntimeException();
 214                 collator = new RuleBasedCollator(reinterpret_cast<const uint8_t*>(ruleImage), -1, uca_base, status);
 215                 if (! U_SUCCESS(status)) throw RuntimeException();
 216             }
 217         }
 218         if (!collator) {
 219             /** ICU collators are loaded using a locale only.
 220                 ICU uses Variant as collation algorithm name (like de__PHONEBOOK
 221                 locale), note the empty territory (Country) designator in this special
 222                 case here. The icu::Locale constructor changes the algorithm name to
 223                 uppercase itself, so we don't have to bother with that.
 224             */
 225             icu::Locale icuLocale( LanguageTagIcu::getIcuLocale( LanguageTag( rLocale), rAlgorithm));
 226             // load ICU collator
 227             collator = (RuleBasedCollator*) icu::Collator::createInstance(icuLocale, status);
 228             if (! U_SUCCESS(status)) throw RuntimeException();
 229         }
 230     }
 231
 232     if (options & CollatorOptions::CollatorOptions_IGNORE_CASE_ACCENT)
 233         collator->setStrength(Collator::PRIMARY);
 234     else if (options & CollatorOptions::CollatorOptions_IGNORE_CASE)
 235         collator->setStrength(Collator::SECONDARY);
 236     else
 237         collator->setStrength(Collator::TERTIARY);
 238
 239     return(0);
 240 }
 241
 242
 243 OUString SAL_CALL
 244 Collator_Unicode::getImplementationName() throw( RuntimeException )
 245 {
 246     return OUString::createFromAscii(implementationName);
 247 }
 248
 249 sal_Bool SAL_CALL
 250 Collator_Unicode::supportsService(const OUString& rServiceName) throw( RuntimeException )
 251 {
 252     return !rServiceName.compareToAscii(implementationName);
 253 }
 254
 255 Sequence< OUString > SAL_CALL
 256 Collator_Unicode::getSupportedServiceNames() throw( RuntimeException )
 257 {
 258     Sequence< OUString > aRet(1);
 259     aRet[0] = OUString::createFromAscii(implementationName);
 260     return aRet;
 261 }
 262
 263 } } } }
 264
 265 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */