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+/*
+***********************************************************************
+* Copyright (c) 2002-2007, International Business Machines Corporation
+* and others. All Rights Reserved.
+***********************************************************************
+* Date Name Description
+* 06/06/2002 aliu Creation.
+***********************************************************************
+*/
+#ifndef _ANYTRANS_H_
+#define _ANYTRANS_H_
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_TRANSLITERATION
+
+#include "unicode/translit.h"
+#include "unicode/uscript.h"
+#include "uhash.h"
+
+U_NAMESPACE_BEGIN
+
+/**
+ * A transliterator named Any-T or Any-T/V, where T is the target
+ * script and V is the optional variant, that uses multiple
+ * transliterators, all going to T or T/V, all with script sources.
+ * The target must be a script. It partitions text into runs of the
+ * same script, and then based on the script of each run,
+ * transliterates from that script to the given target or
+ * target/variant. Adjacent COMMON or INHERITED script characters are
+ * included in each run.
+ *
+ * @author Alan Liu
+ */
+class AnyTransliterator : public Transliterator {
+
+ /**
+ * Cache mapping UScriptCode values to Transliterator*.
+ */
+ UHashtable* cache;
+
+ /**
+ * The target or target/variant string.
+ */
+ UnicodeString target;
+
+ /**
+ * The target script code. Never USCRIPT_INVALID_CODE.
+ */
+ UScriptCode targetScript;
+
+public:
+
+ /**
+ * Destructor.
+ */
+ virtual ~AnyTransliterator();
+
+ /**
+ * Copy constructor.
+ */
+ AnyTransliterator(const AnyTransliterator&);
+
+ /**
+ * Transliterator API.
+ */
+ virtual Transliterator* clone() const;
+
+ /**
+ * Implements {@link Transliterator#handleTransliterate}.
+ */
+ virtual void handleTransliterate(Replaceable& text, UTransPosition& index,
+ UBool incremental) const;
+
+ /**
+ * 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.
+ */
+ U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
+
+private:
+
+ /**
+ * Private constructor
+ * @param id the ID of the form S-T or S-T/V, where T is theTarget
+ * and V is theVariant. Must not be empty.
+ * @param theTarget the target name. Must not be empty, and must
+ * name a script corresponding to theTargetScript.
+ * @param theVariant the variant name, or the empty string if
+ * there is no variant
+ * @param theTargetScript the script code corresponding to
+ * theTarget.
+ * @param ec error code, fails if the internal hashtable cannot be
+ * allocated
+ */
+ AnyTransliterator(const UnicodeString& id,
+ const UnicodeString& theTarget,
+ const UnicodeString& theVariant,
+ UScriptCode theTargetScript,
+ UErrorCode& ec);
+
+ /**
+ * Returns a transliterator from the given source to our target or
+ * target/variant. Returns NULL if the source is the same as our
+ * target script, or if the source is USCRIPT_INVALID_CODE.
+ * Caches the result and returns the same transliterator the next
+ * time. The caller does NOT own the result and must not delete
+ * it.
+ */
+ Transliterator* getTransliterator(UScriptCode source) const;
+
+ /**
+ * Registers standard transliterators with the system. Called by
+ * Transliterator during initialization.
+ */
+ static void registerIDs();
+
+ friend class Transliterator; // for registerIDs()
+};
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_TRANSLITERATION */
+
+#endif