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-rw-r--r--Build/source/libs/icu/icu-xetex/i18n/nfrule.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-xetex/i18n/nfrule.h b/Build/source/libs/icu/icu-xetex/i18n/nfrule.h
new file mode 100644
index 00000000000..73e4fe16ef8
--- /dev/null
+++ b/Build/source/libs/icu/icu-xetex/i18n/nfrule.h
@@ -0,0 +1,114 @@
+/*
+*******************************************************************************
+* Copyright (C) 1997-2005, International Business Machines
+* Corporation and others. All Rights Reserved.
+*******************************************************************************
+*/
+
+#ifndef NFRULE_H
+#define NFRULE_H
+
+#include "unicode/rbnf.h"
+
+#if U_HAVE_RBNF
+
+#include "unicode/utypes.h"
+#include "unicode/uobject.h"
+#include "unicode/unistr.h"
+#include "putilimp.h"
+
+U_NAMESPACE_BEGIN
+
+class FieldPosition;
+class Formattable;
+class NFRuleList;
+class NFRuleSet;
+class NFSubstitution;
+class ParsePosition;
+class RuleBasedNumberFormat;
+class UnicodeString;
+
+class NFRule : public UMemory {
+public:
+
+ enum ERuleType {
+ kNoBase = 0,
+ kNegativeNumberRule = -1,
+ kImproperFractionRule = -2,
+ kProperFractionRule = -3,
+ kMasterRule = -4,
+ kOtherRule = -5
+ };
+
+ static void makeRules(UnicodeString& definition,
+ const NFRuleSet* ruleSet,
+ const NFRule* predecessor,
+ const RuleBasedNumberFormat* rbnf,
+ NFRuleList& ruleList,
+ UErrorCode& status);
+
+ NFRule(const RuleBasedNumberFormat* rbnf);
+ ~NFRule();
+
+ UBool operator==(const NFRule& rhs) const;
+ UBool operator!=(const NFRule& rhs) const { return !operator==(rhs); }
+
+ ERuleType getType() const { return (ERuleType)(baseValue <= kNoBase ? (ERuleType)baseValue : kOtherRule); }
+ void setType(ERuleType ruleType) { baseValue = (int32_t)ruleType; }
+
+ int64_t getBaseValue() const { return baseValue; }
+ void setBaseValue(int64_t value, UErrorCode& status);
+
+ double getDivisor() const { return uprv_pow(radix, exponent); }
+
+ void doFormat(int64_t number, UnicodeString& toAppendTo, int32_t pos) const;
+ void doFormat(double number, UnicodeString& toAppendTo, int32_t pos) const;
+
+ UBool doParse(const UnicodeString& text,
+ ParsePosition& pos,
+ UBool isFractional,
+ double upperBound,
+ Formattable& result) const;
+
+ UBool shouldRollBack(double number) const;
+
+ void _appendRuleText(UnicodeString& result) const;
+
+private:
+ void parseRuleDescriptor(UnicodeString& descriptor, UErrorCode& status);
+ void extractSubstitutions(const NFRuleSet* ruleSet, const NFRule* predecessor, const RuleBasedNumberFormat* rbnf, UErrorCode& status);
+ NFSubstitution* extractSubstitution(const NFRuleSet* ruleSet, const NFRule* predecessor, const RuleBasedNumberFormat* rbnf, UErrorCode& status);
+
+ int16_t expectedExponent() const;
+ int32_t indexOfAny(const UChar* const strings[]) const;
+ double matchToDelimiter(const UnicodeString& text, int32_t startPos, double baseValue,
+ const UnicodeString& delimiter, ParsePosition& pp, const NFSubstitution* sub,
+ double upperBound) const;
+ void stripPrefix(UnicodeString& text, const UnicodeString& prefix, ParsePosition& pp) const;
+
+ int32_t prefixLength(const UnicodeString& str, const UnicodeString& prefix) const;
+ UBool allIgnorable(const UnicodeString& str) const;
+ int32_t findText(const UnicodeString& str, const UnicodeString& key,
+ int32_t startingAt, int32_t* resultCount) const;
+
+private:
+ int64_t baseValue;
+ int32_t radix;
+ int16_t exponent;
+ UnicodeString ruleText;
+ NFSubstitution* sub1;
+ NFSubstitution* sub2;
+ const RuleBasedNumberFormat* formatter;
+
+ NFRule(const NFRule &other); // forbid copying of this class
+ NFRule &operator=(const NFRule &other); // forbid copying of this class
+};
+
+U_NAMESPACE_END
+
+/* U_HAVE_RBNF */
+#endif
+
+// NFRULE_H
+#endif
+