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comparison: intl/icu/source/i18n/brktrans.h
intl/icu/source/i18n/brktrans.h
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| 1 /* | |
| 2 ********************************************************************** | |
| 3 * Copyright (C) 2008-2009, International Business Machines | |
| 4 * Corporation and others. All Rights Reserved. | |
| 5 ********************************************************************** | |
| 6 * Date Name Description | |
| 7 * 05/11/2008 Andy Heninger Ported from Java | |
| 8 ********************************************************************** | |
| 9 */ | |
| 10 #ifndef BRKTRANS_H | |
| 11 #define BRKTRANS_H | |
| 12 | |
| 13 #include "unicode/utypes.h" | |
| 14 | |
| 15 #if !UCONFIG_NO_TRANSLITERATION && !UCONFIG_NO_BREAK_ITERATION | |
| 16 | |
| 17 #include "unicode/translit.h" | |
| 18 | |
| 19 | |
| 20 U_NAMESPACE_BEGIN | |
| 21 | |
| 22 class UVector32; | |
| 23 | |
| 24 /** | |
| 25 * A transliterator that pInserts the specified characters at word breaks. | |
| 26 * To restrict it to particular characters, use a filter. | |
| 27 * TODO: this is an internal class, and only temporary. | |
| 28 * Remove it once we have \b notation in Transliterator. | |
| 29 */ | |
| 30 class BreakTransliterator : public Transliterator { | |
| 31 public: | |
| 32 | |
| 33 BreakTransliterator(const UnicodeString &ID, | |
| 34 UnicodeFilter *adoptedFilter, | |
| 35 BreakIterator *bi, | |
| 36 const UnicodeString &insertion); | |
| 37 /** | |
| 38 * Constructs a transliterator. | |
| 39 * @param adoptedFilter the filter for this transliterator. | |
| 40 */ | |
| 41 BreakTransliterator(UnicodeFilter* adoptedFilter = 0); | |
| 42 | |
| 43 /** | |
| 44 * Destructor. | |
| 45 */ | |
| 46 virtual ~BreakTransliterator(); | |
| 47 | |
| 48 /** | |
| 49 * Copy constructor. | |
| 50 */ | |
| 51 BreakTransliterator(const BreakTransliterator&); | |
| 52 | |
| 53 /** | |
| 54 * Transliterator API. | |
| 55 * @return A copy of the object. | |
| 56 */ | |
| 57 virtual Transliterator* clone(void) const; | |
| 58 | |
| 59 virtual const UnicodeString &getInsertion() const; | |
| 60 | |
| 61 virtual void setInsertion(const UnicodeString &insertion); | |
| 62 | |
| 63 /** | |
| 64 * Return the break iterator used by this transliterator. | |
| 65 * Caution, this is the live break iterator; it must not be used while | |
| 66 * there is any possibility that this transliterator is using it. | |
| 67 */ | |
| 68 virtual BreakIterator *getBreakIterator(); | |
| 69 | |
| 70 | |
| 71 /** | |
| 72 * ICU "poor man's RTTI", returns a UClassID for the actual class. | |
| 73 */ | |
| 74 virtual UClassID getDynamicClassID() const; | |
| 75 | |
| 76 /** | |
| 77 * ICU "poor man's RTTI", returns a UClassID for this class. | |
| 78 */ | |
| 79 U_I18N_API static UClassID U_EXPORT2 getStaticClassID(); | |
| 80 | |
| 81 protected: | |
| 82 | |
| 83 /** | |
| 84 * Implements {@link Transliterator#handleTransliterate}. | |
| 85 * @param text the buffer holding transliterated and | |
| 86 * untransliterated text | |
| 87 * @param offset the start and limit of the text, the position | |
| 88 * of the cursor, and the start and limit of transliteration. | |
| 89 * @param incremental if true, assume more text may be coming after | |
| 90 * pos.contextLimit. Otherwise, assume the text is complete. | |
| 91 */ | |
| 92 virtual void handleTransliterate(Replaceable& text, UTransPosition& offset, | |
| 93 UBool isIncremental) const; | |
| 94 | |
| 95 private: | |
| 96 BreakIterator *bi; | |
| 97 UnicodeString fInsertion; | |
| 98 UVector32 *boundaries; | |
| 99 UnicodeString sText; // text from handleTransliterate(). | |
| 100 | |
| 101 static UnicodeString replaceableAsString(Replaceable &r); | |
| 102 | |
| 103 /** | |
| 104 * Assignment operator. | |
| 105 */ | |
| 106 BreakTransliterator& operator=(const BreakTransliterator&); | |
| 107 }; | |
| 108 | |
| 109 U_NAMESPACE_END | |
| 110 | |
| 111 #endif /* #if !UCONFIG_NO_TRANSLITERATION */ | |
| 112 | |
| 113 #endif |
