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Diffstat (limited to 'intl/icu/source/i18n/funcrepl.h')
-rw-r--r-- | intl/icu/source/i18n/funcrepl.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/funcrepl.h b/intl/icu/source/i18n/funcrepl.h new file mode 100644 index 0000000000..529a10ebbf --- /dev/null +++ b/intl/icu/source/i18n/funcrepl.h @@ -0,0 +1,121 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +********************************************************************** +* Copyright (c) 2002-2011, International Business Machines Corporation +* and others. All Rights Reserved. +********************************************************************** +* Date Name Description +* 02/04/2002 aliu Creation. +********************************************************************** +*/ + +#ifndef FUNCREPL_H +#define FUNCREPL_H + +#include "unicode/utypes.h" + +#if !UCONFIG_NO_TRANSLITERATION + +#include "unicode/unifunct.h" +#include "unicode/unirepl.h" + +U_NAMESPACE_BEGIN + +class Transliterator; + +/** + * A replacer that calls a transliterator to generate its output text. + * The input text to the transliterator is the output of another + * UnicodeReplacer object. That is, this replacer wraps another + * replacer with a transliterator. + * + * @author Alan Liu + */ +class FunctionReplacer : public UnicodeFunctor, public UnicodeReplacer { + + private: + + /** + * The transliterator. Must not be null. OWNED. + */ + Transliterator* translit; + + /** + * The replacer object. This generates text that is then + * processed by 'translit'. Must not be null. OWNED. + */ + UnicodeFunctor* replacer; + + public: + + /** + * Construct a replacer that takes the output of the given + * replacer, passes it through the given transliterator, and emits + * the result as output. + */ + FunctionReplacer(Transliterator* adoptedTranslit, + UnicodeFunctor* adoptedReplacer); + + /** + * Copy constructor. + */ + FunctionReplacer(const FunctionReplacer& other); + + /** + * Destructor + */ + virtual ~FunctionReplacer(); + + /** + * Implement UnicodeFunctor + */ + virtual FunctionReplacer* clone() const override; + + /** + * UnicodeFunctor API. Cast 'this' to a UnicodeReplacer* pointer + * and return the pointer. + */ + virtual UnicodeReplacer* toReplacer() const override; + + /** + * UnicodeReplacer API + */ + virtual int32_t replace(Replaceable& text, + int32_t start, + int32_t limit, + int32_t& cursor) override; + + /** + * UnicodeReplacer API + */ + virtual UnicodeString& toReplacerPattern(UnicodeString& rule, + UBool escapeUnprintable) const override; + + /** + * Implement UnicodeReplacer + */ + virtual void addReplacementSetTo(UnicodeSet& toUnionTo) const override; + + /** + * UnicodeFunctor API + */ + virtual void setData(const TransliterationRuleData*) override; + + /** + * 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. + */ + static UClassID U_EXPORT2 getStaticClassID(); +}; + +U_NAMESPACE_END + +#endif /* #if !UCONFIG_NO_TRANSLITERATION */ +#endif + +//eof |