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114 lines
3.3 KiB
C++
114 lines
3.3 KiB
C++
/*
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**********************************************************************
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* Copyright (C) 2008-2009, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* Date Name Description
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* 05/11/2008 Andy Heninger Ported from Java
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**********************************************************************
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*/
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#ifndef BRKTRANS_H
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#define BRKTRANS_H
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_TRANSLITERATION && !UCONFIG_NO_BREAK_ITERATION
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#include "unicode/translit.h"
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U_NAMESPACE_BEGIN
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class UVector32;
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/**
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* A transliterator that pInserts the specified characters at word breaks.
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* To restrict it to particular characters, use a filter.
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* TODO: this is an internal class, and only temporary.
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* Remove it once we have \b notation in Transliterator.
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*/
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class BreakTransliterator : public Transliterator {
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public:
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BreakTransliterator(const UnicodeString &ID,
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UnicodeFilter *adoptedFilter,
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BreakIterator *bi,
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const UnicodeString &insertion);
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/**
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* Constructs a transliterator.
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* @param adoptedFilter the filter for this transliterator.
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*/
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BreakTransliterator(UnicodeFilter* adoptedFilter = 0);
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/**
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* Destructor.
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*/
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virtual ~BreakTransliterator();
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/**
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* Copy constructor.
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*/
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BreakTransliterator(const BreakTransliterator&);
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/**
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* Transliterator API.
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* @return A copy of the object.
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*/
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virtual Transliterator* clone(void) const;
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virtual const UnicodeString &getInsertion() const;
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virtual void setInsertion(const UnicodeString &insertion);
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/**
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* Return the break iterator used by this transliterator.
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* Caution, this is the live break iterator; it must not be used while
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* there is any possibility that this transliterator is using it.
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*/
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virtual BreakIterator *getBreakIterator();
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/**
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* ICU "poor man's RTTI", returns a UClassID for the actual class.
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*/
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virtual UClassID getDynamicClassID() const;
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/**
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* ICU "poor man's RTTI", returns a UClassID for this class.
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*/
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U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
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protected:
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/**
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* Implements {@link Transliterator#handleTransliterate}.
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* @param text the buffer holding transliterated and
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* untransliterated text
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* @param offset the start and limit of the text, the position
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* of the cursor, and the start and limit of transliteration.
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* @param incremental if true, assume more text may be coming after
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* pos.contextLimit. Otherwise, assume the text is complete.
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*/
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virtual void handleTransliterate(Replaceable& text, UTransPosition& offset,
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UBool isIncremental) const;
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private:
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BreakIterator *bi;
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UnicodeString fInsertion;
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UVector32 *boundaries;
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UnicodeString sText; // text from handleTransliterate().
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static UnicodeString replaceableAsString(Replaceable &r);
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/**
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* Assignment operator.
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*/
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BreakTransliterator& operator=(const BreakTransliterator&);
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};
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_TRANSLITERATION */
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#endif
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