i18npool/inc/breakiterator_unicode.hxx

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  18  */
  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 <unicode/utext.h>
  26 #include <memory>
  27 #include <unordered_map>
  28
  29 namespace i18npool {
  30
  31 #define LOAD_CHARACTER_BREAKITERATOR    0
  32 #define LOAD_WORD_BREAKITERATOR         1
  33 #define LOAD_SENTENCE_BREAKITERATOR     2
  34 #define LOAD_LINE_BREAKITERATOR         3
  35
  36
  37 //  class BreakIterator_Unicode
  38
  39 class BreakIterator_Unicode : public BreakIteratorImpl
  40 {
  41 public:
  42     BreakIterator_Unicode();
  43     virtual ~BreakIterator_Unicode() override;
  44
  45     virtual sal_Int32 SAL_CALL previousCharacters( const OUString& Text, sal_Int32 nStartPos,
  46         const css::lang::Locale& nLocale, sal_Int16 nCharacterIteratorMode, sal_Int32 nCount,
  47         sal_Int32& nDone ) override;
  48     virtual sal_Int32 SAL_CALL nextCharacters( const OUString& Text, sal_Int32 nStartPos,
  49         const css::lang::Locale& rLocale, sal_Int16 nCharacterIteratorMode, sal_Int32 nCount,
  50         sal_Int32& nDone ) override;
  51
  52     virtual css::i18n::Boundary SAL_CALL previousWord( const OUString& Text, sal_Int32 nStartPos,
  53         const css::lang::Locale& nLocale, sal_Int16 WordType) override;
  54     virtual css::i18n::Boundary SAL_CALL nextWord( const OUString& Text, sal_Int32 nStartPos,
  55         const css::lang::Locale& nLocale, sal_Int16 WordType) override;
  56     virtual css::i18n::Boundary SAL_CALL getWordBoundary( const OUString& Text, sal_Int32 nPos,
  57         const css::lang::Locale& nLocale, sal_Int16 WordType, sal_Bool bDirection ) override;
  58
  59     virtual sal_Int32 SAL_CALL beginOfSentence( const OUString& Text, sal_Int32 nStartPos,
  60         const css::lang::Locale& nLocale ) override;
  61     virtual sal_Int32 SAL_CALL endOfSentence( const OUString& Text, sal_Int32 nStartPos,
  62         const css::lang::Locale& nLocale ) override;
  63
  64     virtual css::i18n::LineBreakResults SAL_CALL getLineBreak( const OUString& Text, sal_Int32 nStartPos,
  65         const css::lang::Locale& nLocale, sal_Int32 nMinBreakPos,
  66         const css::i18n::LineBreakHyphenationOptions& hOptions,
  67         const css::i18n::LineBreakUserOptions& bOptions ) override;
  68
  69     //XServiceInfo
  70     virtual OUString SAL_CALL getImplementationName() override;
  71     virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
  72     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  73
  74 protected:
  75     const sal_Char *cBreakIterator, *lineRule;
  76
  77     /** Used as map value. */
  78     struct BI_ValueData
  79     {
  80         OUString                                maICUText;
  81         UText*                                  mpUt;
  82         std::shared_ptr< icu::BreakIterator >   mpBreakIterator;
  83
  84         BI_ValueData() : mpUt(nullptr)
  85         {
  86         }
  87         ~BI_ValueData()
  88         {
  89             utext_close(mpUt);
  90         }
  91     };
  92
  93     struct BI_Data
  94     {
  95         std::shared_ptr< BI_ValueData > mpValue;
  96         OString                         maBIMapKey;
  97     } character, sentence, line, *icuBI;
  98     BI_Data words[4]; // 4 is css::i18n::WordType enumeration size
  99
 100     /// @throws css::uno::RuntimeException
 101     void loadICUBreakIterator(const css::lang::Locale& rLocale,
 102         sal_Int16 rBreakType, sal_Int16 rWordType, const sal_Char* name, const OUString& rText);
 103
 104 public:
 105     typedef std::unordered_map< OString, std::shared_ptr< BI_ValueData > > BIMap;
 106 };
 107
 108 }
 109
 110 #endif
 111
 112 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */