i18npool/source/characterclassification/characterclassificationImpl.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_i18npool.hxx"
  30
  31 #include <characterclassificationImpl.hxx>
  32 #include <rtl/ustrbuf.hxx>
  33
  34 using namespace com::sun::star::uno;
  35 using namespace com::sun::star::lang;
  36 using namespace rtl;
  37
  38 namespace com { namespace sun { namespace star { namespace i18n {
  39
  40 CharacterClassificationImpl::CharacterClassificationImpl(
  41         const Reference < lang::XMultiServiceFactory >& rxMSF ) : xMSF( rxMSF )
  42 {
  43         if (createLocaleSpecificCharacterClassification(OUString::createFromAscii("Unicode"), Locale()))
  44             xUCI = cachedItem->xCI;
  45 }
  46
  47 CharacterClassificationImpl::~CharacterClassificationImpl() {
  48         // Clear lookuptable
  49         for (size_t l = 0; l < lookupTable.size(); l++)
  50             delete lookupTable[l];
  51         lookupTable.clear();
  52 }
  53
  54
  55 OUString SAL_CALL
  56 CharacterClassificationImpl::toUpper( const OUString& Text, sal_Int32 nPos,
  57         sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
  58 {
  59         return getLocaleSpecificCharacterClassification(rLocale)->toUpper(Text, nPos, nCount, rLocale);
  60 }
  61
  62 OUString SAL_CALL
  63 CharacterClassificationImpl::toLower( const OUString& Text, sal_Int32 nPos,
  64         sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
  65 {
  66         return getLocaleSpecificCharacterClassification(rLocale)->toLower(Text, nPos, nCount, rLocale);
  67 }
  68
  69 OUString SAL_CALL
  70 CharacterClassificationImpl::toTitle( const OUString& Text, sal_Int32 nPos,
  71         sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
  72 {
  73         return getLocaleSpecificCharacterClassification(rLocale)->toTitle(Text, nPos, nCount, rLocale);
  74 }
  75
  76 sal_Int16 SAL_CALL
  77 CharacterClassificationImpl::getType( const OUString& Text, sal_Int32 nPos )
  78         throw(RuntimeException)
  79 {
  80         if (xUCI.is())
  81             return xUCI->getType(Text, nPos);
  82         throw RuntimeException();
  83 }
  84
  85 sal_Int16 SAL_CALL
  86 CharacterClassificationImpl::getCharacterDirection( const OUString& Text, sal_Int32 nPos )
  87         throw(RuntimeException)
  88 {
  89         if (xUCI.is())
  90             return xUCI->getCharacterDirection(Text, nPos);
  91         throw RuntimeException();
  92 }
  93
  94 sal_Int16 SAL_CALL
  95 CharacterClassificationImpl::getScript( const OUString& Text, sal_Int32 nPos )
  96         throw(RuntimeException)
  97 {
  98         if (xUCI.is())
  99             return xUCI->getScript(Text, nPos);
 100         throw RuntimeException();
 101 }
 102
 103 sal_Int32 SAL_CALL
 104 CharacterClassificationImpl::getCharacterType( const OUString& Text, sal_Int32 nPos,
 105         const Locale& rLocale ) throw(RuntimeException)
 106 {
 107         return getLocaleSpecificCharacterClassification(rLocale)->getCharacterType(Text, nPos, rLocale);
 108 }
 109
 110 sal_Int32 SAL_CALL
 111 CharacterClassificationImpl::getStringType( const OUString& Text, sal_Int32 nPos,
 112         sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
 113 {
 114         return getLocaleSpecificCharacterClassification(rLocale)->getStringType(Text, nPos, nCount, rLocale);
 115 }
 116
 117 ParseResult SAL_CALL CharacterClassificationImpl::parseAnyToken(
 118         const OUString& Text, sal_Int32 nPos, const Locale& rLocale,
 119         sal_Int32 startCharTokenType, const OUString& userDefinedCharactersStart,
 120         sal_Int32 contCharTokenType, const OUString& userDefinedCharactersCont )
 121         throw(RuntimeException)
 122 {
 123         return getLocaleSpecificCharacterClassification(rLocale)->parseAnyToken(Text, nPos, rLocale,
 124                 startCharTokenType,userDefinedCharactersStart,
 125                 contCharTokenType, userDefinedCharactersCont);
 126 }
 127
 128
 129 ParseResult SAL_CALL CharacterClassificationImpl::parsePredefinedToken(
 130         sal_Int32 nTokenType, const OUString& Text, sal_Int32 nPos,
 131         const Locale& rLocale, sal_Int32 startCharTokenType,
 132         const OUString& userDefinedCharactersStart, sal_Int32 contCharTokenType,
 133         const OUString& userDefinedCharactersCont ) throw(RuntimeException)
 134 {
 135         return getLocaleSpecificCharacterClassification(rLocale)->parsePredefinedToken(
 136                 nTokenType, Text, nPos, rLocale, startCharTokenType, userDefinedCharactersStart,
 137                 contCharTokenType, userDefinedCharactersCont);
 138 }
 139
 140 sal_Bool SAL_CALL CharacterClassificationImpl::createLocaleSpecificCharacterClassification(const OUString& serviceName, const Locale& rLocale)
 141 {
 142         // to share service between same Language but different Country code, like zh_CN and zh_SG
 143         for (size_t l = 0; l < lookupTable.size(); l++) {
 144             cachedItem = lookupTable[l];
 145             if (serviceName == cachedItem->aName) {
 146                 lookupTable.push_back( cachedItem = new lookupTableItem(rLocale, serviceName, cachedItem->xCI) );
 147                 return sal_True;
 148             }
 149         }
 150
 151         Reference < XInterface > xI = xMSF->createInstance(
 152             OUString::createFromAscii("com.sun.star.i18n.CharacterClassification_") + serviceName);
 153
 154         Reference < XCharacterClassification > xCI;
 155         if ( xI.is() ) {
 156             xI->queryInterface(::getCppuType((const Reference< XCharacterClassification>*)0) ) >>= xCI;
 157             if (xCI.is()) {
 158                 lookupTable.push_back( cachedItem =  new lookupTableItem(rLocale, serviceName, xCI) );
 159                 return sal_True;
 160             }
 161         }
 162         return sal_False;
 163 }
 164
 165 Reference < XCharacterClassification > SAL_CALL
 166 CharacterClassificationImpl::getLocaleSpecificCharacterClassification(const Locale& rLocale)
 167         throw(RuntimeException)
 168 {
 169         // reuse instance if locale didn't change
 170         if (cachedItem && cachedItem->equals(rLocale))
 171             return cachedItem->xCI;
 172         else if (xMSF.is()) {
 173             for (size_t i = 0; i < lookupTable.size(); i++) {
 174                 cachedItem = lookupTable[i];
 175                 if (cachedItem->equals(rLocale))
 176                     return cachedItem->xCI;
 177             }
 178
 179             static sal_Unicode under = (sal_Unicode)'_';
 180             static OUString tw(OUString::createFromAscii("TW"));
 181             sal_Int32 l = rLocale.Language.getLength();
 182             sal_Int32 c = rLocale.Country.getLength();
 183             sal_Int32 v = rLocale.Variant.getLength();
 184             OUStringBuffer aBuf(l+c+v+3);
 185
 186                     // load service with name <base>_<lang>_<country>_<varian>
 187             if ((l > 0 && c > 0 && v > 0 &&
 188                     createLocaleSpecificCharacterClassification(aBuf.append(rLocale.Language).append(under).append(
 189                                     rLocale.Country).append(under).append(rLocale.Variant).makeStringAndClear(), rLocale)) ||
 190                     // load service with name <base>_<lang>_<country>
 191                 (l > 0 && c > 0 &&
 192                     createLocaleSpecificCharacterClassification(aBuf.append(rLocale.Language).append(under).append(
 193                                     rLocale.Country).makeStringAndClear(), rLocale)) ||
 194                 (l > 0 && c > 0 && rLocale.Language.compareToAscii("zh") == 0 &&
 195                                     (rLocale.Country.compareToAscii("HK") == 0 ||
 196                                     rLocale.Country.compareToAscii("MO") == 0) &&
 197                     // if the country code is HK or MO, one more step to try TW.
 198                     createLocaleSpecificCharacterClassification(aBuf.append(rLocale.Language).append(under).append(
 199                                     tw).makeStringAndClear(), rLocale)) ||
 200                 (l > 0 &&
 201                     // load service with name <base>_<lang>
 202                     createLocaleSpecificCharacterClassification(rLocale.Language, rLocale))) {
 203                 return cachedItem->xCI;
 204             } else if (xUCI.is()) {
 205                 lookupTable.push_back( cachedItem = new lookupTableItem(rLocale, OUString::createFromAscii("Unicode"), xUCI) );
 206                 return cachedItem->xCI;
 207             }
 208         }
 209         throw RuntimeException();
 210 }
 211
 212 const sal_Char cClass[] = "com.sun.star.i18n.CharacterClassification";
 213
 214 OUString SAL_CALL
 215 CharacterClassificationImpl::getImplementationName(void)
 216                 throw( RuntimeException )
 217 {
 218     return OUString::createFromAscii(cClass);
 219 }
 220
 221 sal_Bool SAL_CALL
 222 CharacterClassificationImpl::supportsService(const rtl::OUString& rServiceName)
 223                 throw( RuntimeException )
 224 {
 225     return !rServiceName.compareToAscii(cClass);
 226 }
 227
 228 Sequence< OUString > SAL_CALL
 229 CharacterClassificationImpl::getSupportedServiceNames(void) throw( RuntimeException )
 230 {
 231     Sequence< OUString > aRet(1);
 232     aRet[0] = OUString::createFromAscii(cClass);
 233     return aRet;
 234 }
 235
 236 } } } }