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+/*
+**********************************************************************
+* 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 UnicodeFunctor* clone() const;
+
+ /**
+ * UnicodeFunctor API. Cast 'this' to a UnicodeReplacer* pointer
+ * and return the pointer.
+ */
+ virtual UnicodeReplacer* toReplacer() const;
+
+ /**
+ * UnicodeReplacer API
+ */
+ virtual int32_t replace(Replaceable& text,
+ int32_t start,
+ int32_t limit,
+ int32_t& cursor);
+
+ /**
+ * UnicodeReplacer API
+ */
+ virtual UnicodeString& toReplacerPattern(UnicodeString& rule,
+ UBool escapeUnprintable) const;
+
+ /**
+ * Implement UnicodeReplacer
+ */
+ virtual void addReplacementSetTo(UnicodeSet& toUnionTo) const;
+
+ /**
+ * UnicodeFunctor API
+ */
+ virtual void setData(const TransliterationRuleData*);
+
+ /**
+ * ICU "poor man's RTTI", returns a UClassID for the actual class.
+ */
+ virtual UClassID getDynamicClassID() const;
+
+ /**
+ * 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