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comparison: intl/icu/source/i18n/quant.h
intl/icu/source/i18n/quant.h
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| -1:000000000000 | 0:074dd910ff35 |
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| 1 /* | |
| 2 ********************************************************************** | |
| 3 * Copyright (C) 2001-2011, International Business Machines Corporation | |
| 4 * and others. All Rights Reserved. | |
| 5 ********************************************************************** | |
| 6 * Date Name Description | |
| 7 * 07/26/01 aliu Creation. | |
| 8 ********************************************************************** | |
| 9 */ | |
| 10 #ifndef QUANT_H | |
| 11 #define QUANT_H | |
| 12 | |
| 13 #include "unicode/utypes.h" | |
| 14 | |
| 15 #if !UCONFIG_NO_TRANSLITERATION | |
| 16 | |
| 17 #include "unicode/unifunct.h" | |
| 18 #include "unicode/unimatch.h" | |
| 19 | |
| 20 U_NAMESPACE_BEGIN | |
| 21 | |
| 22 class Quantifier : public UnicodeFunctor, public UnicodeMatcher { | |
| 23 | |
| 24 public: | |
| 25 | |
| 26 enum { MAX = 0x7FFFFFFF }; | |
| 27 | |
| 28 Quantifier(UnicodeFunctor *adoptedMatcher, | |
| 29 uint32_t minCount, uint32_t maxCount); | |
| 30 | |
| 31 Quantifier(const Quantifier& o); | |
| 32 | |
| 33 virtual ~Quantifier(); | |
| 34 | |
| 35 /** | |
| 36 * UnicodeFunctor API. Cast 'this' to a UnicodeMatcher* pointer | |
| 37 * and return the pointer. | |
| 38 * @return the UnicodeMatcher pointer. | |
| 39 */ | |
| 40 virtual UnicodeMatcher* toMatcher() const; | |
| 41 | |
| 42 /** | |
| 43 * Implement UnicodeFunctor | |
| 44 * @return a copy of the object. | |
| 45 */ | |
| 46 virtual UnicodeFunctor* clone() const; | |
| 47 | |
| 48 /** | |
| 49 * Implement UnicodeMatcher | |
| 50 * @param text the text to be matched | |
| 51 * @param offset on input, the index into text at which to begin | |
| 52 * matching. On output, the limit of the matched text. The | |
| 53 * number of matched characters is the output value of offset | |
| 54 * minus the input value. Offset should always point to the | |
| 55 * HIGH SURROGATE (leading code unit) of a pair of surrogates, | |
| 56 * both on entry and upon return. | |
| 57 * @param limit the limit index of text to be matched. Greater | |
| 58 * than offset for a forward direction match, less than offset for | |
| 59 * a backward direction match. The last character to be | |
| 60 * considered for matching will be text.charAt(limit-1) in the | |
| 61 * forward direction or text.charAt(limit+1) in the backward | |
| 62 * direction. | |
| 63 * @param incremental if TRUE, then assume further characters may | |
| 64 * be inserted at limit and check for partial matching. Otherwise | |
| 65 * assume the text as given is complete. | |
| 66 * @return a match degree value indicating a full match, a partial | |
| 67 * match, or a mismatch. If incremental is FALSE then | |
| 68 * U_PARTIAL_MATCH should never be returned. | |
| 69 */ | |
| 70 virtual UMatchDegree matches(const Replaceable& text, | |
| 71 int32_t& offset, | |
| 72 int32_t limit, | |
| 73 UBool incremental); | |
| 74 | |
| 75 /** | |
| 76 * Implement UnicodeMatcher | |
| 77 * @param result Output param to receive the pattern. | |
| 78 * @param escapeUnprintable if True then escape the unprintable characters. | |
| 79 * @return A reference to 'result'. | |
| 80 */ | |
| 81 virtual UnicodeString& toPattern(UnicodeString& result, | |
| 82 UBool escapeUnprintable = FALSE) const; | |
| 83 | |
| 84 /** | |
| 85 * Implement UnicodeMatcher | |
| 86 * @param v the given index value. | |
| 87 * @return true if this rule matches the given index value. | |
| 88 */ | |
| 89 virtual UBool matchesIndexValue(uint8_t v) const; | |
| 90 | |
| 91 /** | |
| 92 * Implement UnicodeMatcher | |
| 93 */ | |
| 94 virtual void addMatchSetTo(UnicodeSet& toUnionTo) const; | |
| 95 | |
| 96 /** | |
| 97 * UnicodeFunctor API | |
| 98 */ | |
| 99 virtual void setData(const TransliterationRuleData*); | |
| 100 | |
| 101 /** | |
| 102 * ICU "poor man's RTTI", returns a UClassID for the actual class. | |
| 103 */ | |
| 104 virtual UClassID getDynamicClassID() const; | |
| 105 | |
| 106 /** | |
| 107 * ICU "poor man's RTTI", returns a UClassID for this class. | |
| 108 */ | |
| 109 static UClassID U_EXPORT2 getStaticClassID(); | |
| 110 | |
| 111 private: | |
| 112 | |
| 113 UnicodeFunctor* matcher; // owned | |
| 114 | |
| 115 uint32_t minCount; | |
| 116 | |
| 117 uint32_t maxCount; | |
| 118 }; | |
| 119 | |
| 120 U_NAMESPACE_END | |
| 121 | |
| 122 #endif /* #if !UCONFIG_NO_TRANSLITERATION */ | |
| 123 | |
| 124 #endif |
