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122 lines
3.0 KiB
122 lines
3.0 KiB
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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**********************************************************************
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* Copyright (c) 2002-2011, International Business Machines Corporation
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* and others. All Rights Reserved.
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**********************************************************************
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* Date Name Description
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* 02/04/2002 aliu Creation.
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**********************************************************************
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*/
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#ifndef FUNCREPL_H
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#define FUNCREPL_H
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_TRANSLITERATION
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#include "unicode/unifunct.h"
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#include "unicode/unirepl.h"
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U_NAMESPACE_BEGIN
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class Transliterator;
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/**
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* A replacer that calls a transliterator to generate its output text.
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* The input text to the transliterator is the output of another
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* UnicodeReplacer object. That is, this replacer wraps another
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* replacer with a transliterator.
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*
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* @author Alan Liu
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*/
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class FunctionReplacer : public UnicodeFunctor, public UnicodeReplacer {
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private:
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/**
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* The transliterator. Must not be null. OWNED.
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*/
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Transliterator* translit;
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/**
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* The replacer object. This generates text that is then
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* processed by 'translit'. Must not be null. OWNED.
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*/
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UnicodeFunctor* replacer;
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public:
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/**
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* Construct a replacer that takes the output of the given
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* replacer, passes it through the given transliterator, and emits
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* the result as output.
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*/
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FunctionReplacer(Transliterator* adoptedTranslit,
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UnicodeFunctor* adoptedReplacer);
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/**
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* Copy constructor.
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*/
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FunctionReplacer(const FunctionReplacer& other);
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/**
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* Destructor
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*/
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virtual ~FunctionReplacer();
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/**
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* Implement UnicodeFunctor
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*/
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virtual FunctionReplacer* clone() const;
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/**
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* UnicodeFunctor API. Cast 'this' to a UnicodeReplacer* pointer
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* and return the pointer.
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*/
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virtual UnicodeReplacer* toReplacer() const;
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/**
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* UnicodeReplacer API
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*/
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virtual int32_t replace(Replaceable& text,
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int32_t start,
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int32_t limit,
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int32_t& cursor);
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/**
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* UnicodeReplacer API
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*/
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virtual UnicodeString& toReplacerPattern(UnicodeString& rule,
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UBool escapeUnprintable) const;
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/**
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* Implement UnicodeReplacer
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*/
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virtual void addReplacementSetTo(UnicodeSet& toUnionTo) const;
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/**
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* UnicodeFunctor API
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*/
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virtual void setData(const TransliterationRuleData*);
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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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static UClassID U_EXPORT2 getStaticClassID();
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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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//eof
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