1 /* 2 ********************************************************************** 3 * Copyright (C) 2008, 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 setInsertsion(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 114