1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/i18n/anytrans.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,129 @@
1.4 +/*
1.5 +***********************************************************************
1.6 +* Copyright (c) 2002-2007, International Business Machines Corporation
1.7 +* and others. All Rights Reserved.
1.8 +***********************************************************************
1.9 +* Date Name Description
1.10 +* 06/06/2002 aliu Creation.
1.11 +***********************************************************************
1.12 +*/
1.13 +#ifndef _ANYTRANS_H_
1.14 +#define _ANYTRANS_H_
1.15 +
1.16 +#include "unicode/utypes.h"
1.17 +
1.18 +#if !UCONFIG_NO_TRANSLITERATION
1.19 +
1.20 +#include "unicode/translit.h"
1.21 +#include "unicode/uscript.h"
1.22 +#include "uhash.h"
1.23 +
1.24 +U_NAMESPACE_BEGIN
1.25 +
1.26 +/**
1.27 + * A transliterator named Any-T or Any-T/V, where T is the target
1.28 + * script and V is the optional variant, that uses multiple
1.29 + * transliterators, all going to T or T/V, all with script sources.
1.30 + * The target must be a script. It partitions text into runs of the
1.31 + * same script, and then based on the script of each run,
1.32 + * transliterates from that script to the given target or
1.33 + * target/variant. Adjacent COMMON or INHERITED script characters are
1.34 + * included in each run.
1.35 + *
1.36 + * @author Alan Liu
1.37 + */
1.38 +class AnyTransliterator : public Transliterator {
1.39 +
1.40 + /**
1.41 + * Cache mapping UScriptCode values to Transliterator*.
1.42 + */
1.43 + UHashtable* cache;
1.44 +
1.45 + /**
1.46 + * The target or target/variant string.
1.47 + */
1.48 + UnicodeString target;
1.49 +
1.50 + /**
1.51 + * The target script code. Never USCRIPT_INVALID_CODE.
1.52 + */
1.53 + UScriptCode targetScript;
1.54 +
1.55 +public:
1.56 +
1.57 + /**
1.58 + * Destructor.
1.59 + */
1.60 + virtual ~AnyTransliterator();
1.61 +
1.62 + /**
1.63 + * Copy constructor.
1.64 + */
1.65 + AnyTransliterator(const AnyTransliterator&);
1.66 +
1.67 + /**
1.68 + * Transliterator API.
1.69 + */
1.70 + virtual Transliterator* clone() const;
1.71 +
1.72 + /**
1.73 + * Implements {@link Transliterator#handleTransliterate}.
1.74 + */
1.75 + virtual void handleTransliterate(Replaceable& text, UTransPosition& index,
1.76 + UBool incremental) const;
1.77 +
1.78 + /**
1.79 + * ICU "poor man's RTTI", returns a UClassID for the actual class.
1.80 + */
1.81 + virtual UClassID getDynamicClassID() const;
1.82 +
1.83 + /**
1.84 + * ICU "poor man's RTTI", returns a UClassID for this class.
1.85 + */
1.86 + U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
1.87 +
1.88 +private:
1.89 +
1.90 + /**
1.91 + * Private constructor
1.92 + * @param id the ID of the form S-T or S-T/V, where T is theTarget
1.93 + * and V is theVariant. Must not be empty.
1.94 + * @param theTarget the target name. Must not be empty, and must
1.95 + * name a script corresponding to theTargetScript.
1.96 + * @param theVariant the variant name, or the empty string if
1.97 + * there is no variant
1.98 + * @param theTargetScript the script code corresponding to
1.99 + * theTarget.
1.100 + * @param ec error code, fails if the internal hashtable cannot be
1.101 + * allocated
1.102 + */
1.103 + AnyTransliterator(const UnicodeString& id,
1.104 + const UnicodeString& theTarget,
1.105 + const UnicodeString& theVariant,
1.106 + UScriptCode theTargetScript,
1.107 + UErrorCode& ec);
1.108 +
1.109 + /**
1.110 + * Returns a transliterator from the given source to our target or
1.111 + * target/variant. Returns NULL if the source is the same as our
1.112 + * target script, or if the source is USCRIPT_INVALID_CODE.
1.113 + * Caches the result and returns the same transliterator the next
1.114 + * time. The caller does NOT own the result and must not delete
1.115 + * it.
1.116 + */
1.117 + Transliterator* getTransliterator(UScriptCode source) const;
1.118 +
1.119 + /**
1.120 + * Registers standard transliterators with the system. Called by
1.121 + * Transliterator during initialization.
1.122 + */
1.123 + static void registerIDs();
1.124 +
1.125 + friend class Transliterator; // for registerIDs()
1.126 +};
1.127 +
1.128 +U_NAMESPACE_END
1.129 +
1.130 +#endif /* #if !UCONFIG_NO_TRANSLITERATION */
1.131 +
1.132 +#endif
