1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_unotools.hxx" 26 27 #include <unotools/transliterationwrapper.hxx> 28 #include <tools/debug.hxx> 29 #include <i18npool/mslangid.hxx> 30 #include <comphelper/componentfactory.hxx> 31 32 #include <com/sun/star/uno/XInterface.hpp> 33 #include <com/sun/star/lang/XMultiServiceFactory.hpp> 34 #include <com/sun/star/lang/XMultiServiceFactory.hpp> 35 #include <com/sun/star/i18n/TransliterationModulesExtra.hpp> 36 37 #define TRANSLIT_LIBRARYNAME "i18n" 38 #define TRANSLIT_SERVICENAME "com.sun.star.i18n.Transliteration" 39 40 using namespace ::com::sun::star::lang; 41 using namespace ::com::sun::star::i18n; 42 using namespace ::com::sun::star::uno; 43 using namespace ::utl; 44 45 TransliterationWrapper::TransliterationWrapper( 46 const Reference< XMultiServiceFactory > & xSF, 47 sal_uInt32 nTyp ) 48 : xSMgr( xSF ), nType( nTyp ), nLanguage( 0 ), bFirstCall( sal_True ) 49 { 50 if( xSMgr.is() ) 51 { 52 try { 53 xTrans = Reference< XExtendedTransliteration > ( 54 xSMgr->createInstance( ::rtl::OUString( 55 RTL_CONSTASCII_USTRINGPARAM( 56 TRANSLIT_SERVICENAME))), UNO_QUERY ); 57 } 58 catch ( Exception& ) 59 { 60 DBG_ERRORFILE( "TransliterationWrapper: Exception caught!" ); 61 } 62 } 63 else 64 { // try to get an instance somehow 65 DBG_ERRORFILE( "TransliterationWrapper: no service manager, trying own" ); 66 try 67 { 68 Reference< XInterface > xI = ::comphelper::getComponentInstance( 69 ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( LLCF_LIBNAME( 70 TRANSLIT_LIBRARYNAME ))), 71 ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( 72 TRANSLIT_SERVICENAME))); 73 if ( xI.is() ) 74 { 75 Any x = xI->queryInterface( 76 ::getCppuType((const Reference< XExtendedTransliteration>*)0) ); 77 x >>= xTrans ; 78 } 79 } 80 catch ( Exception& ) 81 { 82 DBG_ERRORFILE( "getComponentInstance: Exception caught!" ); 83 } 84 } 85 DBG_ASSERT( xTrans.is(), "TransliterationWrapper: no Transliteraion available" ); 86 } 87 88 89 TransliterationWrapper::~TransliterationWrapper() 90 { 91 } 92 93 94 String TransliterationWrapper::transliterate( 95 const String& rStr, sal_uInt16 nLang, 96 xub_StrLen nStart, xub_StrLen nLen, 97 Sequence <sal_Int32>* pOffset ) 98 { 99 String sRet; 100 if( xTrans.is() ) 101 { 102 try 103 { 104 loadModuleIfNeeded( nLang ); 105 106 if ( pOffset ) 107 sRet = xTrans->transliterate( rStr, nStart, nLen, *pOffset ); 108 else 109 sRet = xTrans->transliterateString2String( rStr, nStart, nLen); 110 } 111 catch( Exception& ) 112 { 113 DBG_ERRORFILE( "transliterate: Exception caught!" ); 114 } 115 } 116 return sRet; 117 } 118 119 120 String TransliterationWrapper::transliterate( 121 const String& rStr, 122 xub_StrLen nStart, xub_StrLen nLen, 123 Sequence <sal_Int32>* pOffset ) const 124 { 125 String sRet( rStr ); 126 if( xTrans.is() ) 127 { 128 try 129 { 130 if ( pOffset ) 131 sRet = xTrans->transliterate( rStr, nStart, nLen, *pOffset ); 132 else 133 sRet = xTrans->transliterateString2String( rStr, nStart, nLen); 134 } 135 catch( Exception& ) 136 { 137 DBG_ERRORFILE( "transliterate: Exception caught!" ); 138 } 139 } 140 return sRet; 141 } 142 143 sal_Bool TransliterationWrapper::needLanguageForTheMode() const 144 { 145 return TransliterationModules_UPPERCASE_LOWERCASE == nType || 146 TransliterationModules_LOWERCASE_UPPERCASE == nType || 147 TransliterationModules_IGNORE_CASE == nType || 148 (sal_uInt32) TransliterationModulesExtra::SENTENCE_CASE == (sal_uInt32) nType || 149 (sal_uInt32) TransliterationModulesExtra::TITLE_CASE == (sal_uInt32) nType || 150 (sal_uInt32) TransliterationModulesExtra::TOGGLE_CASE == (sal_uInt32) nType; 151 } 152 153 154 void TransliterationWrapper::setLanguageLocaleImpl( sal_uInt16 nLang ) 155 { 156 nLanguage = nLang; 157 if( LANGUAGE_NONE == nLanguage ) 158 nLanguage = LANGUAGE_SYSTEM; 159 MsLangId::convertLanguageToLocale( nLanguage, aLocale); 160 } 161 162 163 void TransliterationWrapper::loadModuleIfNeeded( sal_uInt16 nLang ) 164 { 165 sal_Bool bLoad = bFirstCall; 166 bFirstCall = sal_False; 167 168 if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::SENTENCE_CASE ) 169 { 170 if( bLoad ) 171 loadModuleByImplName(String::CreateFromAscii("SENTENCE_CASE"), nLang); 172 } 173 else if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::TITLE_CASE ) 174 { 175 if( bLoad ) 176 loadModuleByImplName(String::CreateFromAscii("TITLE_CASE"), nLang); 177 } 178 else if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::TOGGLE_CASE ) 179 { 180 if( bLoad ) 181 loadModuleByImplName(String::CreateFromAscii("TOGGLE_CASE"), nLang); 182 } 183 else 184 { 185 if( nLanguage != nLang ) 186 { 187 setLanguageLocaleImpl( nLang ); 188 if( !bLoad ) 189 bLoad = needLanguageForTheMode(); 190 } 191 if( bLoad ) 192 loadModuleImpl(); 193 } 194 } 195 196 197 void TransliterationWrapper::loadModuleImpl() const 198 { 199 if ( bFirstCall ) 200 ((TransliterationWrapper*)this)->setLanguageLocaleImpl( LANGUAGE_SYSTEM ); 201 202 try 203 { 204 if ( xTrans.is() ) 205 xTrans->loadModule( (TransliterationModules)nType, aLocale ); 206 } 207 catch ( Exception& e ) 208 { 209 #ifdef DBG_UTIL 210 ByteString aMsg( "loadModuleImpl: Exception caught\n" ); 211 aMsg += ByteString( String( e.Message ), RTL_TEXTENCODING_UTF8 ); 212 DBG_ERRORFILE( aMsg.GetBuffer() ); 213 #else 214 (void)e; 215 #endif 216 } 217 218 bFirstCall = sal_False; 219 } 220 221 222 void TransliterationWrapper::loadModuleByImplName( 223 const String& rModuleName, sal_uInt16 nLang ) 224 { 225 try 226 { 227 setLanguageLocaleImpl( nLang ); 228 // Reset LanguageType, so the next call to loadModuleIfNeeded() forces 229 // new settings. 230 nLanguage = LANGUAGE_DONTKNOW; 231 if ( xTrans.is() ) 232 xTrans->loadModuleByImplName( rModuleName, aLocale ); 233 } 234 catch ( Exception& e ) 235 { 236 #ifdef DBG_UTIL 237 ByteString aMsg( "loadModuleByImplName: Exception caught\n" ); 238 aMsg += ByteString( String( e.Message ), RTL_TEXTENCODING_UTF8 ); 239 DBG_ERRORFILE( aMsg.GetBuffer() ); 240 #else 241 (void)e; 242 #endif 243 } 244 245 bFirstCall = sal_False; 246 } 247 248 249 sal_Bool TransliterationWrapper::equals( 250 const String& rStr1, sal_Int32 nPos1, sal_Int32 nCount1, sal_Int32& nMatch1, 251 const String& rStr2, sal_Int32 nPos2, sal_Int32 nCount2, sal_Int32& nMatch2 ) const 252 { 253 try 254 { 255 if( bFirstCall ) 256 loadModuleImpl(); 257 if ( xTrans.is() ) 258 return xTrans->equals( rStr1, nPos1, nCount1, nMatch1, rStr2, nPos2, nCount2, nMatch2 ); 259 } 260 catch ( Exception& e ) 261 { 262 #ifdef DBG_UTIL 263 ByteString aMsg( "equals: Exception caught\n" ); 264 aMsg += ByteString( String( e.Message ), RTL_TEXTENCODING_UTF8 ); 265 DBG_ERRORFILE( aMsg.GetBuffer() ); 266 #else 267 (void)e; 268 #endif 269 } 270 return sal_False; 271 } 272 273 274 sal_Int32 TransliterationWrapper::compareSubstring( 275 const String& rStr1, sal_Int32 nOff1, sal_Int32 nLen1, 276 const String& rStr2, sal_Int32 nOff2, sal_Int32 nLen2 ) const 277 { 278 try 279 { 280 if( bFirstCall ) 281 loadModuleImpl(); 282 if ( xTrans.is() ) 283 return xTrans->compareSubstring( rStr1, nOff1, nLen1, rStr2, nOff2, nLen2 ); 284 } 285 catch ( Exception& e ) 286 { 287 #ifdef DBG_UTIL 288 ByteString aMsg( "compareSubstring: Exception caught\n" ); 289 aMsg += ByteString( String( e.Message ), RTL_TEXTENCODING_UTF8 ); 290 DBG_ERRORFILE( aMsg.GetBuffer() ); 291 #else 292 (void)e; 293 #endif 294 } 295 return 0; 296 } 297 298 299 sal_Int32 TransliterationWrapper::compareString( const String& rStr1, const String& rStr2 ) const 300 { 301 try 302 { 303 if( bFirstCall ) 304 loadModuleImpl(); 305 if ( xTrans.is() ) 306 return xTrans->compareString( rStr1, rStr2 ); 307 } 308 catch ( Exception& e ) 309 { 310 #ifdef DBG_UTIL 311 ByteString aMsg( "compareString: Exception caught\n" ); 312 aMsg += ByteString( String( e.Message ), RTL_TEXTENCODING_UTF8 ); 313 DBG_ERRORFILE( aMsg.GetBuffer() ); 314 #else 315 (void)e; 316 #endif 317 } 318 return 0; 319 } 320 321 322 // --- helpers -------------------------------------------------------- 323 324 sal_Bool TransliterationWrapper::isEqual( const String& rStr1, const String& rStr2 ) const 325 { 326 sal_Int32 nMatch1, nMatch2; 327 sal_Bool bMatch = equals( 328 rStr1, 0, rStr1.Len(), nMatch1, 329 rStr2, 0, rStr2.Len(), nMatch2 ); 330 return bMatch; 331 } 332 333 334 sal_Bool TransliterationWrapper::isMatch( const String& rStr1, const String& rStr2 ) const 335 { 336 sal_Int32 nMatch1, nMatch2; 337 equals( 338 rStr1, 0, rStr1.Len(), nMatch1, 339 rStr2, 0, rStr2.Len(), nMatch2 ); 340 return (nMatch1 <= nMatch2) && (nMatch1 == rStr1.Len()); 341 } 342