i18npool/source/indexentry/indexentrysupplier_asian.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_i18npool.hxx"
  33
  34 #include <rtl/ustrbuf.hxx>
  35 #include <indexentrysupplier_asian.hxx>
  36 #include <data/indexdata_alphanumeric.h>
  37
  38 using namespace ::com::sun::star::uno;
  39 using namespace ::com::sun::star::lang;
  40 using namespace ::rtl;
  41
  42 namespace com { namespace sun { namespace star { namespace i18n {
  43
  44 extern "C" { static void SAL_CALL thisModule() {} }
  45
  46 IndexEntrySupplier_asian::IndexEntrySupplier_asian(
  47     const Reference < XMultiServiceFactory >& rxMSF ) : IndexEntrySupplier_Common(rxMSF)
  48 {
  49     implementationName = "com.sun.star.i18n.IndexEntrySupplier_asian";
  50 #ifdef SAL_DLLPREFIX
  51     OUString lib=OUString::createFromAscii(SAL_DLLPREFIX"index_data"SAL_DLLEXTENSION);
  52 #else
  53     OUString lib=OUString::createFromAscii("index_data"SAL_DLLEXTENSION);
  54 #endif
  55     hModule = osl_loadModuleRelative(
  56         &thisModule, lib.pData, SAL_LOADMODULE_DEFAULT );
  57 }
  58
  59 IndexEntrySupplier_asian::~IndexEntrySupplier_asian()
  60 {
  61     if (hModule) osl_unloadModule(hModule);
  62 }
  63
  64 OUString SAL_CALL
  65 IndexEntrySupplier_asian::getIndexCharacter( const OUString& rIndexEntry,
  66     const Locale& rLocale, const OUString& rAlgorithm ) throw (RuntimeException)
  67 {
  68     sal_Int32 i=0;
  69     sal_uInt32 ch = rIndexEntry.iterateCodePoints(&i, 0);
  70     if (hModule) {
  71         OUString get=OUString::createFromAscii("get_indexdata_");
  72         sal_uInt16** (*func)(sal_Int16*)=NULL;
  73         if (rLocale.Language.equalsAscii("zh") && OUString::createFromAscii("TW HK MO").indexOf(rLocale.Country) >= 0)
  74             func=(sal_uInt16** (*)(sal_Int16*))osl_getFunctionSymbol(hModule, (get+rLocale.Language+OUString::createFromAscii("_TW_")+rAlgorithm).pData);
  75         if (!func)
  76             func=(sal_uInt16** (*)(sal_Int16*))osl_getFunctionSymbol(hModule, (get+rLocale.Language+OUString('_')+rAlgorithm).pData);
  77         if (func) {
  78             sal_Int16 max_index;
  79             sal_uInt16** idx=func(&max_index);
  80             if (((sal_Int16)(ch >> 8)) <= max_index) {
  81                 sal_uInt16 address=idx[0][ch >> 8];
  82                 if (address != 0xFFFF) {
  83                     address=idx[1][address+(ch & 0xFF)];
  84                     return idx[2] ? OUString(&idx[2][address]) : OUString(address);
  85                 }
  86             }
  87         }
  88     }
  89     // using alphanumeric index for non-define stirng
  90     return OUString(&idxStr[(ch & 0xFFFFFF00) ? 0 : ch], 1);
  91 }
  92
  93 OUString SAL_CALL
  94 IndexEntrySupplier_asian::getIndexKey( const OUString& rIndexEntry,
  95     const OUString& rPhoneticEntry, const Locale& rLocale) throw (RuntimeException)
  96 {
  97     return getIndexCharacter(getEntry(rIndexEntry, rPhoneticEntry, rLocale), rLocale, aAlgorithm);
  98 }
  99
 100 sal_Int16 SAL_CALL
 101 IndexEntrySupplier_asian::compareIndexEntry(
 102     const OUString& rIndexEntry1, const OUString& rPhoneticEntry1, const Locale& rLocale1,
 103     const OUString& rIndexEntry2, const OUString& rPhoneticEntry2, const Locale& rLocale2 )
 104     throw (RuntimeException)
 105 {
 106     sal_Int32 result = collator->compareString(getEntry(rIndexEntry1, rPhoneticEntry1, rLocale1),
 107                                     getEntry(rIndexEntry2, rPhoneticEntry2, rLocale2));
 108
 109     // equivalent of phonetic entries does not mean equivalent of index entries.
 110     // we have to continue comparing index entry here.
 111     if (result == 0 && usePhonetic && rPhoneticEntry1.getLength() > 0 &&
 112             rLocale1.Language == rLocale2.Language && rLocale1.Country == rLocale2.Country &&
 113             rLocale1.Variant == rLocale2.Variant)
 114         result = collator->compareString(rIndexEntry1, rIndexEntry2);
 115     return sal::static_int_cast< sal_Int16 >(result); // result in { -1, 0, 1 }
 116 }
 117
 118 OUString SAL_CALL
 119 IndexEntrySupplier_asian::getPhoneticCandidate( const OUString& rIndexEntry,
 120         const Locale& rLocale ) throw (RuntimeException)
 121 {
 122     if (hModule) {
 123         sal_uInt16 **(*func)(sal_Int16*)=NULL;
 124         const sal_Char *func_name=NULL;
 125         if (rLocale.Language.equalsAscii("zh"))
 126             func_name=(OUString::createFromAscii("TW HK MO").indexOf(rLocale.Country) >= 0) ?  "get_zh_zhuyin" : "get_zh_pinyin";
 127         else if (rLocale.Language.equalsAscii("ko"))
 128             func_name="get_ko_phonetic";
 129         if (func_name)
 130             func=(sal_uInt16 **(*)(sal_Int16*))osl_getFunctionSymbol(hModule, OUString::createFromAscii(func_name).pData);
 131         if (func) {
 132             OUStringBuffer candidate;
 133             sal_Int16 max_index;
 134             sal_uInt16** idx=func(&max_index);
 135             OUString aIndexEntry=rIndexEntry;
 136             for (sal_Int32 i=0,j=0; i < rIndexEntry.getLength(); i=j) {
 137                 sal_uInt32 ch = rIndexEntry.iterateCodePoints(&j, 1);
 138                 if (((sal_Int16)(ch>>8)) <= max_index) {
 139                     sal_uInt16 address = idx[0][ch>>8];
 140                     if (address != 0xFFFF) {
 141                         address = idx[1][address + (ch & 0xFF)];
 142                         if (i > 0 && rLocale.Language.equalsAscii("zh"))
 143                             candidate.appendAscii(" ");
 144                         if (idx[2])
 145                             candidate.append(&idx[2][address]);
 146                         else
 147                             candidate.append(address);
 148                     } else
 149                         candidate.appendAscii(" ");
 150                 }
 151             }
 152             return candidate.makeStringAndClear();
 153         }
 154     }
 155     return OUString();
 156 }
 157 } } } }