intl/icu/source/i18n/unesctrn.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

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) 2001-2007, International Business Machines
michael@0 4 * Corporation and others. All Rights Reserved.
michael@0 5 **********************************************************************
michael@0 6 * Date Name Description
michael@0 7 * 11/20/2001 aliu Creation.
michael@0 8 **********************************************************************
michael@0 9 */
michael@0 10 #ifndef UNESCTRN_H
michael@0 11 #define UNESCTRN_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
michael@0 19 U_NAMESPACE_BEGIN
michael@0 20
michael@0 21 /**
michael@0 22 * A transliterator that converts Unicode escape forms to the
michael@0 23 * characters they represent. Escape forms have a prefix, a suffix, a
michael@0 24 * radix, and minimum and maximum digit counts.
michael@0 25 *
michael@0 26 * <p>This class is package private. It registers several standard
michael@0 27 * variants with the system which are then accessed via their IDs.
michael@0 28 *
michael@0 29 * @author Alan Liu
michael@0 30 */
michael@0 31 class UnescapeTransliterator : public Transliterator {
michael@0 32
michael@0 33 private:
michael@0 34
michael@0 35 /**
michael@0 36 * The encoded pattern specification. The pattern consists of
michael@0 37 * zero or more forms. Each form consists of a prefix, suffix,
michael@0 38 * radix, minimum digit count, and maximum digit count. These
michael@0 39 * values are stored as a five character header. That is, their
michael@0 40 * numeric values are cast to 16-bit characters and stored in the
michael@0 41 * string. Following these five characters, the prefix
michael@0 42 * characters, then suffix characters are stored. Each form thus
michael@0 43 * takes n+5 characters, where n is the total length of the prefix
michael@0 44 * and suffix. The end is marked by a header of length one
michael@0 45 * consisting of the character END.
michael@0 46 */
michael@0 47 UChar* spec; // owned; may not be NULL
michael@0 48
michael@0 49 public:
michael@0 50
michael@0 51 /**
michael@0 52 * Registers standard variants with the system. Called by
michael@0 53 * Transliterator during initialization.
michael@0 54 */
michael@0 55 static void registerIDs();
michael@0 56
michael@0 57 /**
michael@0 58 * Constructor. Takes the encoded spec array (does not adopt it).
michael@0 59 * @param ID the string identifier for this transliterator
michael@0 60 * @param spec the encoded spec array
michael@0 61 */
michael@0 62 UnescapeTransliterator(const UnicodeString& ID,
michael@0 63 const UChar *spec);
michael@0 64
michael@0 65 /**
michael@0 66 * Copy constructor.
michael@0 67 */
michael@0 68 UnescapeTransliterator(const UnescapeTransliterator&);
michael@0 69
michael@0 70 /**
michael@0 71 * Destructor.
michael@0 72 */
michael@0 73 virtual ~UnescapeTransliterator();
michael@0 74
michael@0 75 /**
michael@0 76 * Transliterator API.
michael@0 77 */
michael@0 78 virtual Transliterator* clone() const;
michael@0 79
michael@0 80 /**
michael@0 81 * ICU "poor man's RTTI", returns a UClassID for the actual class.
michael@0 82 */
michael@0 83 virtual UClassID getDynamicClassID() const;
michael@0 84
michael@0 85 /**
michael@0 86 * ICU "poor man's RTTI", returns a UClassID for this class.
michael@0 87 */
michael@0 88 U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
michael@0 89
michael@0 90 protected:
michael@0 91
michael@0 92 /**
michael@0 93 * Implements {@link Transliterator#handleTransliterate}.
michael@0 94 * @param text the buffer holding transliterated and
michael@0 95 * untransliterated text
michael@0 96 * @param offset the start and limit of the text, the position
michael@0 97 * of the cursor, and the start and limit of transliteration.
michael@0 98 * @param incremental if true, assume more text may be coming after
michael@0 99 * pos.contextLimit. Otherwise, assume the text is complete.
michael@0 100 */
michael@0 101 virtual void handleTransliterate(Replaceable& text, UTransPosition& offset,
michael@0 102 UBool isIncremental) const;
michael@0 103
michael@0 104 };
michael@0 105
michael@0 106 U_NAMESPACE_END
michael@0 107
michael@0 108 #endif /* #if !UCONFIG_NO_TRANSLITERATION */
michael@0 109
michael@0 110 #endif

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