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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /intl/icu/source/i18n/nfrs.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'intl/icu/source/i18n/nfrs.h')
-rw-r--r-- | intl/icu/source/i18n/nfrs.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/nfrs.h b/intl/icu/source/i18n/nfrs.h new file mode 100644 index 0000000000..a1beedda17 --- /dev/null +++ b/intl/icu/source/i18n/nfrs.h @@ -0,0 +1,111 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +****************************************************************************** +* Copyright (C) 1997-2015, International Business Machines +* Corporation and others. All Rights Reserved. +****************************************************************************** +* file name: nfrs.h +* encoding: UTF-8 +* tab size: 8 (not used) +* indentation:4 +* +* Modification history +* Date Name Comments +* 10/11/2001 Doug Ported from ICU4J +*/ + +#ifndef NFRS_H +#define NFRS_H + +#include "unicode/uobject.h" +#include "unicode/rbnf.h" + +#if U_HAVE_RBNF + +#include "unicode/utypes.h" +#include "unicode/umisc.h" + +#include "nfrlist.h" + +U_NAMESPACE_BEGIN + +class NFRuleSet : public UMemory { +public: + NFRuleSet(RuleBasedNumberFormat *owner, UnicodeString* descriptions, int32_t index, UErrorCode& status); + void parseRules(UnicodeString& rules, UErrorCode& status); + void setNonNumericalRule(NFRule *rule); + void setBestFractionRule(int32_t originalIndex, NFRule *newRule, UBool rememberRule); + void makeIntoFractionRuleSet() { fIsFractionRuleSet = true; } + + ~NFRuleSet(); + + bool operator==(const NFRuleSet& rhs) const; + bool operator!=(const NFRuleSet& rhs) const { return !operator==(rhs); } + + UBool isPublic() const { return fIsPublic; } + + UBool isParseable() const { return fIsParseable; } + + UBool isFractionRuleSet() const { return fIsFractionRuleSet; } + + void getName(UnicodeString& result) const { result.setTo(name); } + UBool isNamed(const UnicodeString& _name) const { return this->name == _name; } + + void format(int64_t number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const; + void format(double number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const; + + UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, uint32_t nonNumericalExecutedRuleMask, Formattable& result) const; + + void appendRules(UnicodeString& result) const; // toString + + void setDecimalFormatSymbols(const DecimalFormatSymbols &newSymbols, UErrorCode& status); + + const RuleBasedNumberFormat *getOwner() const { return owner; } +private: + const NFRule * findNormalRule(int64_t number) const; + const NFRule * findDoubleRule(double number) const; + const NFRule * findFractionRuleSetRule(double number) const; + + friend class NFSubstitution; + +private: + UnicodeString name; + NFRuleList rules; + NFRule *nonNumericalRules[6]; + RuleBasedNumberFormat *owner; + NFRuleList fractionRules; + UBool fIsFractionRuleSet; + UBool fIsPublic; + UBool fIsParseable; + + NFRuleSet(const NFRuleSet &other); // forbid copying of this class + NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class +}; + +// utilities from old llong.h +// convert mantissa portion of double to int64 +int64_t util64_fromDouble(double d); + +// raise radix to the power exponent, only non-negative exponents +// Arithmetic is performed in unsigned space since overflow in +// signed space is undefined behavior. +uint64_t util64_pow(uint32_t radix, uint16_t exponent); + +// convert n to digit string in buffer, return length of string +uint32_t util64_tou(int64_t n, char16_t* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = false); + +#ifdef RBNF_DEBUG +int64_t util64_utoi(const char16_t* str, uint32_t radix = 10); +uint32_t util64_toa(int64_t n, char* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = false); +int64_t util64_atoi(const char* str, uint32_t radix); +#endif + + +U_NAMESPACE_END + +/* U_HAVE_RBNF */ +#endif + +// NFRS_H +#endif |