intl/icu/source/i18n/quant.h@fc2d59ddac77 (annotated)
intl/icu/source/i18n/quant.h
Wed, 31 Dec 2014 07:22:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:22:50 +0100
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
- permissions
- -rw-r--r--
Correct previous dual key logic pending first delivery installment.
| michael@0 | 1 | /* |
| michael@0 | 2 | ********************************************************************** |
| michael@0 | 3 | * Copyright (C) 2001-2011, International Business Machines Corporation |
| michael@0 | 4 | * and others. All Rights Reserved. |
| michael@0 | 5 | ********************************************************************** |
| michael@0 | 6 | * Date Name Description |
| michael@0 | 7 | * 07/26/01 aliu Creation. |
| michael@0 | 8 | ********************************************************************** |
| michael@0 | 9 | */ |
| michael@0 | 10 | #ifndef QUANT_H |
| michael@0 | 11 | #define QUANT_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/unifunct.h" |
| michael@0 | 18 | #include "unicode/unimatch.h" |
| michael@0 | 19 | |
| michael@0 | 20 | U_NAMESPACE_BEGIN |
| michael@0 | 21 | |
| michael@0 | 22 | class Quantifier : public UnicodeFunctor, public UnicodeMatcher { |
| michael@0 | 23 | |
| michael@0 | 24 | public: |
| michael@0 | 25 | |
| michael@0 | 26 | enum { MAX = 0x7FFFFFFF }; |
| michael@0 | 27 | |
| michael@0 | 28 | Quantifier(UnicodeFunctor *adoptedMatcher, |
| michael@0 | 29 | uint32_t minCount, uint32_t maxCount); |
| michael@0 | 30 | |
| michael@0 | 31 | Quantifier(const Quantifier& o); |
| michael@0 | 32 | |
| michael@0 | 33 | virtual ~Quantifier(); |
| michael@0 | 34 | |
| michael@0 | 35 | /** |
| michael@0 | 36 | * UnicodeFunctor API. Cast 'this' to a UnicodeMatcher* pointer |
| michael@0 | 37 | * and return the pointer. |
| michael@0 | 38 | * @return the UnicodeMatcher pointer. |
| michael@0 | 39 | */ |
| michael@0 | 40 | virtual UnicodeMatcher* toMatcher() const; |
| michael@0 | 41 | |
| michael@0 | 42 | /** |
| michael@0 | 43 | * Implement UnicodeFunctor |
| michael@0 | 44 | * @return a copy of the object. |
| michael@0 | 45 | */ |
| michael@0 | 46 | virtual UnicodeFunctor* clone() const; |
| michael@0 | 47 | |
| michael@0 | 48 | /** |
| michael@0 | 49 | * Implement UnicodeMatcher |
| michael@0 | 50 | * @param text the text to be matched |
| michael@0 | 51 | * @param offset on input, the index into text at which to begin |
| michael@0 | 52 | * matching. On output, the limit of the matched text. The |
| michael@0 | 53 | * number of matched characters is the output value of offset |
| michael@0 | 54 | * minus the input value. Offset should always point to the |
| michael@0 | 55 | * HIGH SURROGATE (leading code unit) of a pair of surrogates, |
| michael@0 | 56 | * both on entry and upon return. |
| michael@0 | 57 | * @param limit the limit index of text to be matched. Greater |
| michael@0 | 58 | * than offset for a forward direction match, less than offset for |
| michael@0 | 59 | * a backward direction match. The last character to be |
| michael@0 | 60 | * considered for matching will be text.charAt(limit-1) in the |
| michael@0 | 61 | * forward direction or text.charAt(limit+1) in the backward |
| michael@0 | 62 | * direction. |
| michael@0 | 63 | * @param incremental if TRUE, then assume further characters may |
| michael@0 | 64 | * be inserted at limit and check for partial matching. Otherwise |
| michael@0 | 65 | * assume the text as given is complete. |
| michael@0 | 66 | * @return a match degree value indicating a full match, a partial |
| michael@0 | 67 | * match, or a mismatch. If incremental is FALSE then |
| michael@0 | 68 | * U_PARTIAL_MATCH should never be returned. |
| michael@0 | 69 | */ |
| michael@0 | 70 | virtual UMatchDegree matches(const Replaceable& text, |
| michael@0 | 71 | int32_t& offset, |
| michael@0 | 72 | int32_t limit, |
| michael@0 | 73 | UBool incremental); |
| michael@0 | 74 | |
| michael@0 | 75 | /** |
| michael@0 | 76 | * Implement UnicodeMatcher |
| michael@0 | 77 | * @param result Output param to receive the pattern. |
| michael@0 | 78 | * @param escapeUnprintable if True then escape the unprintable characters. |
| michael@0 | 79 | * @return A reference to 'result'. |
| michael@0 | 80 | */ |
| michael@0 | 81 | virtual UnicodeString& toPattern(UnicodeString& result, |
| michael@0 | 82 | UBool escapeUnprintable = FALSE) const; |
| michael@0 | 83 | |
| michael@0 | 84 | /** |
| michael@0 | 85 | * Implement UnicodeMatcher |
| michael@0 | 86 | * @param v the given index value. |
| michael@0 | 87 | * @return true if this rule matches the given index value. |
| michael@0 | 88 | */ |
| michael@0 | 89 | virtual UBool matchesIndexValue(uint8_t v) const; |
| michael@0 | 90 | |
| michael@0 | 91 | /** |
| michael@0 | 92 | * Implement UnicodeMatcher |
| michael@0 | 93 | */ |
| michael@0 | 94 | virtual void addMatchSetTo(UnicodeSet& toUnionTo) const; |
| michael@0 | 95 | |
| michael@0 | 96 | /** |
| michael@0 | 97 | * UnicodeFunctor API |
| michael@0 | 98 | */ |
| michael@0 | 99 | virtual void setData(const TransliterationRuleData*); |
| michael@0 | 100 | |
| michael@0 | 101 | /** |
| michael@0 | 102 | * ICU "poor man's RTTI", returns a UClassID for the actual class. |
| michael@0 | 103 | */ |
| michael@0 | 104 | virtual UClassID getDynamicClassID() const; |
| michael@0 | 105 | |
| michael@0 | 106 | /** |
| michael@0 | 107 | * ICU "poor man's RTTI", returns a UClassID for this class. |
| michael@0 | 108 | */ |
| michael@0 | 109 | static UClassID U_EXPORT2 getStaticClassID(); |
| michael@0 | 110 | |
| michael@0 | 111 | private: |
| michael@0 | 112 | |
| michael@0 | 113 | UnicodeFunctor* matcher; // owned |
| michael@0 | 114 | |
| michael@0 | 115 | uint32_t minCount; |
| michael@0 | 116 | |
| michael@0 | 117 | uint32_t maxCount; |
| michael@0 | 118 | }; |
| michael@0 | 119 | |
| michael@0 | 120 | U_NAMESPACE_END |
| michael@0 | 121 | |
| michael@0 | 122 | #endif /* #if !UCONFIG_NO_TRANSLITERATION */ |
| michael@0 | 123 | |
| michael@0 | 124 | #endif |
