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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (C) 2008-2015, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* Date Name Description
* 05/11/2008 Andy Heninger Ported from Java
**********************************************************************
*/
#ifndef BRKTRANS_H
#define BRKTRANS_H
#include "unicode/utypes.h"
#if !UCONFIG_NO_TRANSLITERATION && !UCONFIG_NO_BREAK_ITERATION
#include "unicode/translit.h"
#include "unicode/localpointer.h"
U_NAMESPACE_BEGIN
class UVector32;
/**
* A transliterator that pInserts the specified characters at word breaks.
* To restrict it to particular characters, use a filter.
* TODO: this is an internal class, and only temporary.
* Remove it once we have \b notation in Transliterator.
*/
class BreakTransliterator : public Transliterator {
public:
/**
* Constructs a transliterator.
* @param adoptedFilter the filter for this transliterator.
*/
BreakTransliterator(UnicodeFilter* adoptedFilter = 0);
/**
* Destructor.
*/
virtual ~BreakTransliterator();
/**
* Copy constructor.
*/
BreakTransliterator(const BreakTransliterator&);
/**
* Transliterator API.
* @return A copy of the object.
*/
virtual BreakTransliterator* clone() const override;
virtual const UnicodeString &getInsertion() const;
virtual void setInsertion(const UnicodeString &insertion);
/**
* ICU "poor man's RTTI", returns a UClassID for the actual class.
*/
virtual UClassID getDynamicClassID() const override;
/**
* ICU "poor man's RTTI", returns a UClassID for this class.
*/
U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
protected:
/**
* Implements {@link Transliterator#handleTransliterate}.
* @param text the buffer holding transliterated and
* untransliterated text
* @param offset the start and limit of the text, the position
* of the cursor, and the start and limit of transliteration.
* @param incremental if true, assume more text may be coming after
* pos.contextLimit. Otherwise, assume the text is complete.
*/
virtual void handleTransliterate(Replaceable& text, UTransPosition& offset,
UBool isIncremental) const override;
private:
LocalPointer<BreakIterator> cachedBI;
LocalPointer<UVector32> cachedBoundaries;
UnicodeString fInsertion;
static UnicodeString replaceableAsString(Replaceable &r);
/**
* Assignment operator.
*/
BreakTransliterator& operator=(const BreakTransliterator&);
};
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_TRANSLITERATION */
#endif
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