i18npool/inc/breakiterator_unicode.hxx

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  19 #ifndef INCLUDED_I18NPOOL_INC_BREAKITERATOR_UNICODE_HXX
  20 #define INCLUDED_I18NPOOL_INC_BREAKITERATOR_UNICODE_HXX
  21
  22 #include <breakiteratorImpl.hxx>
  23
  24 #include <unicode/brkiter.h>
  25 #include <memory>
  26 #include <unordered_map>
  27
  28 namespace com { namespace sun { namespace star { namespace i18n {
  29
  30 #define LOAD_CHARACTER_BREAKITERATOR    0
  31 #define LOAD_WORD_BREAKITERATOR         1
  32 #define LOAD_SENTENCE_BREAKITERATOR     2
  33 #define LOAD_LINE_BREAKITERATOR         3
  34
  35
  36 //  class BreakIterator_Unicode
  37
  38 class BreakIterator_Unicode : public BreakIteratorImpl
  39 {
  40 public:
  41     BreakIterator_Unicode();
  42     virtual ~BreakIterator_Unicode() override;
  43
  44     virtual sal_Int32 SAL_CALL previousCharacters( const OUString& Text, sal_Int32 nStartPos,
  45         const css::lang::Locale& nLocale, sal_Int16 nCharacterIteratorMode, sal_Int32 nCount,
  46         sal_Int32& nDone ) override;
  47     virtual sal_Int32 SAL_CALL nextCharacters( const OUString& Text, sal_Int32 nStartPos,
  48         const css::lang::Locale& rLocale, sal_Int16 nCharacterIteratorMode, sal_Int32 nCount,
  49         sal_Int32& nDone ) override;
  50
  51     virtual Boundary SAL_CALL previousWord( const OUString& Text, sal_Int32 nStartPos,
  52         const css::lang::Locale& nLocale, sal_Int16 WordType) override;
  53     virtual Boundary SAL_CALL nextWord( const OUString& Text, sal_Int32 nStartPos,
  54         const css::lang::Locale& nLocale, sal_Int16 WordType) override;
  55     virtual Boundary SAL_CALL getWordBoundary( const OUString& Text, sal_Int32 nPos,
  56         const css::lang::Locale& nLocale, sal_Int16 WordType, sal_Bool bDirection ) override;
  57
  58     virtual sal_Int32 SAL_CALL beginOfSentence( const OUString& Text, sal_Int32 nStartPos,
  59         const css::lang::Locale& nLocale ) override;
  60     virtual sal_Int32 SAL_CALL endOfSentence( const OUString& Text, sal_Int32 nStartPos,
  61         const css::lang::Locale& nLocale ) override;
  62
  63     virtual LineBreakResults SAL_CALL getLineBreak( const OUString& Text, sal_Int32 nStartPos,
  64         const css::lang::Locale& nLocale, sal_Int32 nMinBreakPos,
  65         const LineBreakHyphenationOptions& hOptions, const LineBreakUserOptions& bOptions ) override;
  66
  67     //XServiceInfo
  68     virtual OUString SAL_CALL getImplementationName() override;
  69     virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
  70     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  71
  72 protected:
  73     const sal_Char *cBreakIterator, *lineRule;
  74
  75     /** Used as map value. */
  76     struct BI_ValueData
  77     {
  78         OUString                                maICUText;
  79         UText*                                  mpUt;
  80         std::shared_ptr< icu::BreakIterator >   mpBreakIterator;
  81
  82         BI_ValueData() : mpUt(nullptr)
  83         {
  84         }
  85         ~BI_ValueData()
  86         {
  87             utext_close(mpUt);
  88         }
  89     };
  90
  91     struct BI_Data
  92     {
  93         std::shared_ptr< BI_ValueData > mpValue;
  94         OString                         maBIMapKey;
  95     } character, sentence, line, *icuBI;
  96     BI_Data words[4]; // 4 is css::i18n::WordType enumeration size
  97
  98     /// @throws css::uno::RuntimeException
  99     void SAL_CALL loadICUBreakIterator(const css::lang::Locale& rLocale,
 100         sal_Int16 rBreakType, sal_Int16 rWordType, const sal_Char* name, const OUString& rText);
 101
 102 public:
 103     typedef std::unordered_map< OString, std::shared_ptr< BI_ValueData >, OStringHash > BIMap;
 104 };
 105
 106 } } } }
 107
 108 #endif
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */