1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/i18n/quant.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,124 @@
1.4 +/*
1.5 + **********************************************************************
1.6 + * Copyright (C) 2001-2011, International Business Machines Corporation
1.7 + * and others. All Rights Reserved.
1.8 + **********************************************************************
1.9 + * Date Name Description
1.10 + * 07/26/01 aliu Creation.
1.11 + **********************************************************************
1.12 + */
1.13 +#ifndef QUANT_H
1.14 +#define QUANT_H
1.15 +
1.16 +#include "unicode/utypes.h"
1.17 +
1.18 +#if !UCONFIG_NO_TRANSLITERATION
1.19 +
1.20 +#include "unicode/unifunct.h"
1.21 +#include "unicode/unimatch.h"
1.22 +
1.23 +U_NAMESPACE_BEGIN
1.24 +
1.25 +class Quantifier : public UnicodeFunctor, public UnicodeMatcher {
1.26 +
1.27 + public:
1.28 +
1.29 + enum { MAX = 0x7FFFFFFF };
1.30 +
1.31 + Quantifier(UnicodeFunctor *adoptedMatcher,
1.32 + uint32_t minCount, uint32_t maxCount);
1.33 +
1.34 + Quantifier(const Quantifier& o);
1.35 +
1.36 + virtual ~Quantifier();
1.37 +
1.38 + /**
1.39 + * UnicodeFunctor API. Cast 'this' to a UnicodeMatcher* pointer
1.40 + * and return the pointer.
1.41 + * @return the UnicodeMatcher pointer.
1.42 + */
1.43 + virtual UnicodeMatcher* toMatcher() const;
1.44 +
1.45 + /**
1.46 + * Implement UnicodeFunctor
1.47 + * @return a copy of the object.
1.48 + */
1.49 + virtual UnicodeFunctor* clone() const;
1.50 +
1.51 + /**
1.52 + * Implement UnicodeMatcher
1.53 + * @param text the text to be matched
1.54 + * @param offset on input, the index into text at which to begin
1.55 + * matching. On output, the limit of the matched text. The
1.56 + * number of matched characters is the output value of offset
1.57 + * minus the input value. Offset should always point to the
1.58 + * HIGH SURROGATE (leading code unit) of a pair of surrogates,
1.59 + * both on entry and upon return.
1.60 + * @param limit the limit index of text to be matched. Greater
1.61 + * than offset for a forward direction match, less than offset for
1.62 + * a backward direction match. The last character to be
1.63 + * considered for matching will be text.charAt(limit-1) in the
1.64 + * forward direction or text.charAt(limit+1) in the backward
1.65 + * direction.
1.66 + * @param incremental if TRUE, then assume further characters may
1.67 + * be inserted at limit and check for partial matching. Otherwise
1.68 + * assume the text as given is complete.
1.69 + * @return a match degree value indicating a full match, a partial
1.70 + * match, or a mismatch. If incremental is FALSE then
1.71 + * U_PARTIAL_MATCH should never be returned.
1.72 + */
1.73 + virtual UMatchDegree matches(const Replaceable& text,
1.74 + int32_t& offset,
1.75 + int32_t limit,
1.76 + UBool incremental);
1.77 +
1.78 + /**
1.79 + * Implement UnicodeMatcher
1.80 + * @param result Output param to receive the pattern.
1.81 + * @param escapeUnprintable if True then escape the unprintable characters.
1.82 + * @return A reference to 'result'.
1.83 + */
1.84 + virtual UnicodeString& toPattern(UnicodeString& result,
1.85 + UBool escapeUnprintable = FALSE) const;
1.86 +
1.87 + /**
1.88 + * Implement UnicodeMatcher
1.89 + * @param v the given index value.
1.90 + * @return true if this rule matches the given index value.
1.91 + */
1.92 + virtual UBool matchesIndexValue(uint8_t v) const;
1.93 +
1.94 + /**
1.95 + * Implement UnicodeMatcher
1.96 + */
1.97 + virtual void addMatchSetTo(UnicodeSet& toUnionTo) const;
1.98 +
1.99 + /**
1.100 + * UnicodeFunctor API
1.101 + */
1.102 + virtual void setData(const TransliterationRuleData*);
1.103 +
1.104 + /**
1.105 + * ICU "poor man's RTTI", returns a UClassID for the actual class.
1.106 + */
1.107 + virtual UClassID getDynamicClassID() const;
1.108 +
1.109 + /**
1.110 + * ICU "poor man's RTTI", returns a UClassID for this class.
1.111 + */
1.112 + static UClassID U_EXPORT2 getStaticClassID();
1.113 +
1.114 + private:
1.115 +
1.116 + UnicodeFunctor* matcher; // owned
1.117 +
1.118 + uint32_t minCount;
1.119 +
1.120 + uint32_t maxCount;
1.121 +};
1.122 +
1.123 +U_NAMESPACE_END
1.124 +
1.125 +#endif /* #if !UCONFIG_NO_TRANSLITERATION */
1.126 +
1.127 +#endif
