Victor Chang | 7322950 | 2020-09-17 13:39:19 +0100 | [diff] [blame] | 1 | // © 2016 and later: Unicode, Inc. and others. |
| 2 | // License & terms of use: http://www.unicode.org/copyright.html |
| 3 | /* |
| 4 | ******************************************************************************* |
| 5 | * |
| 6 | * Copyright (C) 2001-2008, International Business Machines |
| 7 | * Corporation and others. All Rights Reserved. |
| 8 | * |
| 9 | ******************************************************************************* |
| 10 | * file name: casetrn.h |
| 11 | * encoding: UTF-8 |
| 12 | * tab size: 8 (not used) |
| 13 | * indentation:4 |
| 14 | * |
| 15 | * created on: 2004sep03 |
| 16 | * created by: Markus W. Scherer |
| 17 | * |
| 18 | * Implementation class for lower-/upper-/title-casing transliterators. |
| 19 | */ |
| 20 | |
| 21 | #ifndef __CASETRN_H__ |
| 22 | #define __CASETRN_H__ |
| 23 | |
| 24 | #include "unicode/utypes.h" |
| 25 | |
| 26 | #if !UCONFIG_NO_TRANSLITERATION |
| 27 | |
| 28 | #include "unicode/translit.h" |
| 29 | #include "ucase.h" |
| 30 | |
| 31 | U_NAMESPACE_BEGIN |
| 32 | |
| 33 | /** |
| 34 | * A transliterator that performs locale-sensitive |
| 35 | * case mapping. |
| 36 | */ |
| 37 | class CaseMapTransliterator : public Transliterator { |
| 38 | public: |
| 39 | /** |
| 40 | * Constructs a transliterator. |
| 41 | * @param loc the given locale. |
| 42 | * @param id the transliterator ID. |
| 43 | * @param map the full case mapping function (see ucase.h) |
| 44 | */ |
| 45 | CaseMapTransliterator(const UnicodeString &id, UCaseMapFull *map); |
| 46 | |
| 47 | /** |
| 48 | * Destructor. |
| 49 | */ |
| 50 | virtual ~CaseMapTransliterator(); |
| 51 | |
| 52 | /** |
| 53 | * Copy constructor. |
| 54 | */ |
| 55 | CaseMapTransliterator(const CaseMapTransliterator&); |
| 56 | |
| 57 | /** |
| 58 | * Transliterator API. |
| 59 | * @return a copy of the object. |
| 60 | */ |
| 61 | virtual CaseMapTransliterator* clone() const = 0; |
| 62 | |
| 63 | /** |
| 64 | * ICU "poor man's RTTI", returns a UClassID for the actual class. |
| 65 | */ |
| 66 | //virtual UClassID getDynamicClassID() const; |
| 67 | |
| 68 | /** |
| 69 | * ICU "poor man's RTTI", returns a UClassID for this class. |
| 70 | */ |
| 71 | U_I18N_API static UClassID U_EXPORT2 getStaticClassID(); |
| 72 | |
| 73 | protected: |
| 74 | /** |
| 75 | * Implements {@link Transliterator#handleTransliterate}. |
| 76 | * @param text the buffer holding transliterated and |
| 77 | * untransliterated text |
| 78 | * @param offset the start and limit of the text, the position |
| 79 | * of the cursor, and the start and limit of transliteration. |
| 80 | * @param incremental if true, assume more text may be coming after |
| 81 | * pos.contextLimit. Otherwise, assume the text is complete. |
| 82 | */ |
| 83 | virtual void handleTransliterate(Replaceable& text, |
| 84 | UTransPosition& offsets, |
| 85 | UBool isIncremental) const; |
| 86 | |
| 87 | UCaseMapFull *fMap; |
| 88 | |
| 89 | private: |
| 90 | /** |
| 91 | * Assignment operator. |
| 92 | */ |
| 93 | CaseMapTransliterator& operator=(const CaseMapTransliterator&); |
| 94 | |
| 95 | }; |
| 96 | |
| 97 | U_NAMESPACE_END |
| 98 | |
| 99 | /** case context iterator using a Replaceable. This must be a C function because it is a callback. */ |
| 100 | U_CFUNC UChar32 U_CALLCONV |
| 101 | utrans_rep_caseContextIterator(void *context, int8_t dir); |
| 102 | |
| 103 | #endif /* #if !UCONFIG_NO_TRANSLITERATION */ |
| 104 | |
| 105 | #endif |