i18npool/source/indexentry/indexentrysupplier_asian.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 <rtl/ustrbuf.hxx>
  32 #include <indexentrysupplier_asian.hxx>
  33 #include <data/indexdata_alphanumeric.h>
  34
  35 using namespace ::com::sun::star::uno;
  36 using namespace ::com::sun::star::lang;
  37 using namespace ::rtl;
  38
  39 namespace com { namespace sun { namespace star { namespace i18n {
  40
  41 extern "C" { static void SAL_CALL thisModule() {} }
  42
  43 IndexEntrySupplier_asian::IndexEntrySupplier_asian(
  44     const Reference < XMultiServiceFactory >& rxMSF ) : IndexEntrySupplier_Common(rxMSF)
  45 {
  46     implementationName = "com.sun.star.i18n.IndexEntrySupplier_asian";
  47 #ifdef SAL_DLLPREFIX
  48     OUString lib=OUString::createFromAscii(SAL_DLLPREFIX"index_data"SAL_DLLEXTENSION);
  49 #else
  50     OUString lib=OUString::createFromAscii("index_data"SAL_DLLEXTENSION);
  51 #endif
  52     hModule = osl_loadModuleRelative(
  53         &thisModule, lib.pData, SAL_LOADMODULE_DEFAULT );
  54 }
  55
  56 IndexEntrySupplier_asian::~IndexEntrySupplier_asian()
  57 {
  58     if (hModule) osl_unloadModule(hModule);
  59 }
  60
  61 OUString SAL_CALL
  62 IndexEntrySupplier_asian::getIndexCharacter( const OUString& rIndexEntry,
  63     const Locale& rLocale, const OUString& rAlgorithm ) throw (RuntimeException)
  64 {
  65     sal_Int32 i=0;
  66     sal_uInt32 ch = rIndexEntry.iterateCodePoints(&i, 0);
  67     if (hModule) {
  68         OUString get=OUString::createFromAscii("get_indexdata_");
  69         sal_uInt16** (*func)(sal_Int16*)=NULL;
  70         if (rLocale.Language.equalsAscii("zh") && OUString::createFromAscii("TW HK MO").indexOf(rLocale.Country) >= 0)
  71             func=(sal_uInt16** (*)(sal_Int16*))osl_getFunctionSymbol(hModule, (get+rLocale.Language+OUString::createFromAscii("_TW_")+rAlgorithm).pData);
  72         if (!func)
  73             func=(sal_uInt16** (*)(sal_Int16*))osl_getFunctionSymbol(hModule, (get+rLocale.Language+OUString('_')+rAlgorithm).pData);
  74         if (func) {
  75             sal_Int16 max_index;
  76             sal_uInt16** idx=func(&max_index);
  77             if (((sal_Int16)(ch >> 8)) <= max_index) {
  78                 sal_uInt16 address=idx[0][ch >> 8];
  79                 if (address != 0xFFFF) {
  80                     address=idx[1][address+(ch & 0xFF)];
  81                     return idx[2] ? OUString(&idx[2][address]) : OUString(address);
  82                 }
  83             }
  84         }
  85     }
  86     // using alphanumeric index for non-define stirng
  87     return OUString(&idxStr[(ch & 0xFFFFFF00) ? 0 : ch], 1);
  88 }
  89
  90 OUString SAL_CALL
  91 IndexEntrySupplier_asian::getIndexKey( const OUString& rIndexEntry,
  92     const OUString& rPhoneticEntry, const Locale& rLocale) throw (RuntimeException)
  93 {
  94     return getIndexCharacter(getEntry(rIndexEntry, rPhoneticEntry, rLocale), rLocale, aAlgorithm);
  95 }
  96
  97 sal_Int16 SAL_CALL
  98 IndexEntrySupplier_asian::compareIndexEntry(
  99     const OUString& rIndexEntry1, const OUString& rPhoneticEntry1, const Locale& rLocale1,
 100     const OUString& rIndexEntry2, const OUString& rPhoneticEntry2, const Locale& rLocale2 )
 101     throw (RuntimeException)
 102 {
 103     sal_Int32 result = collator->compareString(getEntry(rIndexEntry1, rPhoneticEntry1, rLocale1),
 104                                     getEntry(rIndexEntry2, rPhoneticEntry2, rLocale2));
 105
 106     // equivalent of phonetic entries does not mean equivalent of index entries.
 107     // we have to continue comparing index entry here.
 108     if (result == 0 && usePhonetic && rPhoneticEntry1.getLength() > 0 &&
 109             rLocale1.Language == rLocale2.Language && rLocale1.Country == rLocale2.Country &&
 110             rLocale1.Variant == rLocale2.Variant)
 111         result = collator->compareString(rIndexEntry1, rIndexEntry2);
 112     return sal::static_int_cast< sal_Int16 >(result); // result in { -1, 0, 1 }
 113 }
 114
 115 OUString SAL_CALL
 116 IndexEntrySupplier_asian::getPhoneticCandidate( const OUString& rIndexEntry,
 117         const Locale& rLocale ) throw (RuntimeException)
 118 {
 119     if (hModule) {
 120         sal_uInt16 **(*func)(sal_Int16*)=NULL;
 121         const sal_Char *func_name=NULL;
 122         if (rLocale.Language.equalsAscii("zh"))
 123             func_name=(OUString::createFromAscii("TW HK MO").indexOf(rLocale.Country) >= 0) ?  "get_zh_zhuyin" : "get_zh_pinyin";
 124         else if (rLocale.Language.equalsAscii("ko"))
 125             func_name="get_ko_phonetic";
 126         if (func_name)
 127             func=(sal_uInt16 **(*)(sal_Int16*))osl_getFunctionSymbol(hModule, OUString::createFromAscii(func_name).pData);
 128         if (func) {
 129             OUStringBuffer candidate;
 130             sal_Int16 max_index;
 131             sal_uInt16** idx=func(&max_index);
 132             OUString aIndexEntry=rIndexEntry;
 133             for (sal_Int32 i=0,j=0; i < rIndexEntry.getLength(); i=j) {
 134                 sal_uInt32 ch = rIndexEntry.iterateCodePoints(&j, 1);
 135                 if (((sal_Int16)(ch>>8)) <= max_index) {
 136                     sal_uInt16 address = idx[0][ch>>8];
 137                     if (address != 0xFFFF) {
 138                         address = idx[1][address + (ch & 0xFF)];
 139                         if (i > 0 && rLocale.Language.equalsAscii("zh"))
 140                             candidate.appendAscii(" ");
 141                         if (idx[2])
 142                             candidate.append(&idx[2][address]);
 143                         else
 144                             candidate.append(address);
 145                     } else
 146                         candidate.appendAscii(" ");
 147                 }
 148             }
 149             return candidate.makeStringAndClear();
 150         }
 151     }
 152     return OUString();
 153 }
 154 } } } }