i18npool/source/collator/chaptercollator.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_i18npool.hxx"
  33
  34 // prevent internal compiler error with MSVC6SP3
  35 #include <utility>
  36
  37 #include <chaptercollator.hxx>
  38 #include <com/sun/star/i18n/KCharacterType.hpp>
  39 #include <com/sun/star/i18n/ParseResult.hpp>
  40
  41 using namespace ::com::sun::star::lang;
  42 using namespace ::com::sun::star::uno;
  43 using namespace ::com::sun::star::i18n;
  44 using namespace ::rtl;
  45
  46 ChapterCollator::ChapterCollator( const Reference < XMultiServiceFactory >& rxMSF ) : CollatorImpl(rxMSF)
  47 {
  48     if ( rxMSF.is()) {
  49         Reference < XInterface > xI =
  50         rxMSF->createInstance( OUString::createFromAscii("com.sun.star.i18n.CharacterClassification"));
  51         if ( xI.is() )
  52             xI->queryInterface(::getCppuType((const Reference< XCharacterClassification>*)0)) >>= cclass;
  53     }
  54 }
  55
  56 ChapterCollator::~ChapterCollator()
  57 {
  58 }
  59
  60 sal_Int32 SAL_CALL
  61 ChapterCollator::compareString( const OUString& s1, const OUString& s2) throw(RuntimeException)
  62 {
  63     return compareSubstring(s1, 0, s1.getLength(),  s2, 0, s2.getLength());
  64 }
  65
  66 #define DIGIT KCharacterType::DIGIT
  67
  68 sal_Int32 SAL_CALL
  69 ChapterCollator::compareSubstring( const OUString& str1, sal_Int32 off1, sal_Int32 len1,
  70     const OUString& str2, sal_Int32 off2, sal_Int32 len2) throw(RuntimeException)
  71 {
  72     if( len1 <= 1 || len2 <= 1 || ! cclass.is() )
  73         return CollatorImpl::compareSubstring( str1, off1,  len1, str2, off2, len2 );
  74
  75     sal_Int32 i1, i2;
  76     for (i1 = len1; i1 && (cclass->getCharacterType(str1, off1+i1-1, nLocale) & DIGIT); i1--) ;
  77     for (i2 = len2; i2 && (cclass->getCharacterType(str2, off2+i2-1, nLocale) & DIGIT); i2--) ;
  78
  79     sal_Int32 ans = CollatorImpl::compareSubstring(str1, off1, i1, str2, off2, i2);
  80     if( ans != 0 )
  81         return ans;
  82
  83     const OUString &aAddAllowed = OUString::createFromAscii("?");
  84     ParseResult res1, res2;
  85     // Bug #100323#, since parseAnyToken does not take length as parameter, we have to copy
  86     // it to a temp. string.
  87     OUString s1 = str1.copy(off1+i1, len1-i1), s2 = str2.copy(off2+i2, len2-i2);
  88     res1 = cclass->parseAnyToken( s1, 0, nLocale, DIGIT, aAddAllowed, DIGIT, aAddAllowed );
  89     res2 = cclass->parseAnyToken( s2, 0, nLocale, DIGIT, aAddAllowed, DIGIT, aAddAllowed );
  90
  91     return res1.Value == res2.Value ? 0 : res1.Value > res2.Value ? 1 : -1;
  92 }
  93
  94 const sal_Char *cChapCollator = "com.sun.star.i18n.ChapterCollator";
  95
  96 OUString SAL_CALL
  97 ChapterCollator::getImplementationName() throw( RuntimeException )
  98 {
  99     return OUString::createFromAscii(cChapCollator);
 100 }
 101
 102 sal_Bool SAL_CALL
 103 ChapterCollator::supportsService(const rtl::OUString& rServiceName) throw( RuntimeException )
 104 {
 105     return !rServiceName.compareToAscii(cChapCollator);
 106 }
 107
 108 Sequence< OUString > SAL_CALL
 109 ChapterCollator::getSupportedServiceNames() throw( RuntimeException )
 110 {
 111     Sequence< OUString > aRet(1);
 112     aRet[0] = OUString::createFromAscii(cChapCollator);
 113     return aRet;
 114 }