Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | /* |
michael@0 | 2 | *********************************************************************** |
michael@0 | 3 | * Copyright (c) 2002-2007, International Business Machines Corporation |
michael@0 | 4 | * and others. All Rights Reserved. |
michael@0 | 5 | *********************************************************************** |
michael@0 | 6 | * Date Name Description |
michael@0 | 7 | * 06/06/2002 aliu Creation. |
michael@0 | 8 | *********************************************************************** |
michael@0 | 9 | */ |
michael@0 | 10 | #ifndef _ANYTRANS_H_ |
michael@0 | 11 | #define _ANYTRANS_H_ |
michael@0 | 12 | |
michael@0 | 13 | #include "unicode/utypes.h" |
michael@0 | 14 | |
michael@0 | 15 | #if !UCONFIG_NO_TRANSLITERATION |
michael@0 | 16 | |
michael@0 | 17 | #include "unicode/translit.h" |
michael@0 | 18 | #include "unicode/uscript.h" |
michael@0 | 19 | #include "uhash.h" |
michael@0 | 20 | |
michael@0 | 21 | U_NAMESPACE_BEGIN |
michael@0 | 22 | |
michael@0 | 23 | /** |
michael@0 | 24 | * A transliterator named Any-T or Any-T/V, where T is the target |
michael@0 | 25 | * script and V is the optional variant, that uses multiple |
michael@0 | 26 | * transliterators, all going to T or T/V, all with script sources. |
michael@0 | 27 | * The target must be a script. It partitions text into runs of the |
michael@0 | 28 | * same script, and then based on the script of each run, |
michael@0 | 29 | * transliterates from that script to the given target or |
michael@0 | 30 | * target/variant. Adjacent COMMON or INHERITED script characters are |
michael@0 | 31 | * included in each run. |
michael@0 | 32 | * |
michael@0 | 33 | * @author Alan Liu |
michael@0 | 34 | */ |
michael@0 | 35 | class AnyTransliterator : public Transliterator { |
michael@0 | 36 | |
michael@0 | 37 | /** |
michael@0 | 38 | * Cache mapping UScriptCode values to Transliterator*. |
michael@0 | 39 | */ |
michael@0 | 40 | UHashtable* cache; |
michael@0 | 41 | |
michael@0 | 42 | /** |
michael@0 | 43 | * The target or target/variant string. |
michael@0 | 44 | */ |
michael@0 | 45 | UnicodeString target; |
michael@0 | 46 | |
michael@0 | 47 | /** |
michael@0 | 48 | * The target script code. Never USCRIPT_INVALID_CODE. |
michael@0 | 49 | */ |
michael@0 | 50 | UScriptCode targetScript; |
michael@0 | 51 | |
michael@0 | 52 | public: |
michael@0 | 53 | |
michael@0 | 54 | /** |
michael@0 | 55 | * Destructor. |
michael@0 | 56 | */ |
michael@0 | 57 | virtual ~AnyTransliterator(); |
michael@0 | 58 | |
michael@0 | 59 | /** |
michael@0 | 60 | * Copy constructor. |
michael@0 | 61 | */ |
michael@0 | 62 | AnyTransliterator(const AnyTransliterator&); |
michael@0 | 63 | |
michael@0 | 64 | /** |
michael@0 | 65 | * Transliterator API. |
michael@0 | 66 | */ |
michael@0 | 67 | virtual Transliterator* clone() const; |
michael@0 | 68 | |
michael@0 | 69 | /** |
michael@0 | 70 | * Implements {@link Transliterator#handleTransliterate}. |
michael@0 | 71 | */ |
michael@0 | 72 | virtual void handleTransliterate(Replaceable& text, UTransPosition& index, |
michael@0 | 73 | UBool incremental) const; |
michael@0 | 74 | |
michael@0 | 75 | /** |
michael@0 | 76 | * ICU "poor man's RTTI", returns a UClassID for the actual class. |
michael@0 | 77 | */ |
michael@0 | 78 | virtual UClassID getDynamicClassID() const; |
michael@0 | 79 | |
michael@0 | 80 | /** |
michael@0 | 81 | * ICU "poor man's RTTI", returns a UClassID for this class. |
michael@0 | 82 | */ |
michael@0 | 83 | U_I18N_API static UClassID U_EXPORT2 getStaticClassID(); |
michael@0 | 84 | |
michael@0 | 85 | private: |
michael@0 | 86 | |
michael@0 | 87 | /** |
michael@0 | 88 | * Private constructor |
michael@0 | 89 | * @param id the ID of the form S-T or S-T/V, where T is theTarget |
michael@0 | 90 | * and V is theVariant. Must not be empty. |
michael@0 | 91 | * @param theTarget the target name. Must not be empty, and must |
michael@0 | 92 | * name a script corresponding to theTargetScript. |
michael@0 | 93 | * @param theVariant the variant name, or the empty string if |
michael@0 | 94 | * there is no variant |
michael@0 | 95 | * @param theTargetScript the script code corresponding to |
michael@0 | 96 | * theTarget. |
michael@0 | 97 | * @param ec error code, fails if the internal hashtable cannot be |
michael@0 | 98 | * allocated |
michael@0 | 99 | */ |
michael@0 | 100 | AnyTransliterator(const UnicodeString& id, |
michael@0 | 101 | const UnicodeString& theTarget, |
michael@0 | 102 | const UnicodeString& theVariant, |
michael@0 | 103 | UScriptCode theTargetScript, |
michael@0 | 104 | UErrorCode& ec); |
michael@0 | 105 | |
michael@0 | 106 | /** |
michael@0 | 107 | * Returns a transliterator from the given source to our target or |
michael@0 | 108 | * target/variant. Returns NULL if the source is the same as our |
michael@0 | 109 | * target script, or if the source is USCRIPT_INVALID_CODE. |
michael@0 | 110 | * Caches the result and returns the same transliterator the next |
michael@0 | 111 | * time. The caller does NOT own the result and must not delete |
michael@0 | 112 | * it. |
michael@0 | 113 | */ |
michael@0 | 114 | Transliterator* getTransliterator(UScriptCode source) const; |
michael@0 | 115 | |
michael@0 | 116 | /** |
michael@0 | 117 | * Registers standard transliterators with the system. Called by |
michael@0 | 118 | * Transliterator during initialization. |
michael@0 | 119 | */ |
michael@0 | 120 | static void registerIDs(); |
michael@0 | 121 | |
michael@0 | 122 | friend class Transliterator; // for registerIDs() |
michael@0 | 123 | }; |
michael@0 | 124 | |
michael@0 | 125 | U_NAMESPACE_END |
michael@0 | 126 | |
michael@0 | 127 | #endif /* #if !UCONFIG_NO_TRANSLITERATION */ |
michael@0 | 128 | |
michael@0 | 129 | #endif |