1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
// © 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.
*******************************************************************************
*/
#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"
U_NAMESPACE_BEGIN
class FieldPosition;
class Formattable;
class NFRuleList;
class NFRuleSet;
class NFSubstitution;
class ParsePosition;
class PluralFormat;
class RuleBasedNumberFormat;
class UnicodeString;
class NFRule : public UMemory {
public:
enum ERuleType {
kNoBase = 0,
kNegativeNumberRule = -1,
kImproperFractionRule = -2,
kProperFractionRule = -3,
kDefaultRule = -4,
kInfinityRule = -5,
kNaNRule = -6,
kOtherRule = -7
};
static void makeRules(UnicodeString& definition,
NFRuleSet* ruleSet,
const NFRule* predecessor,
const RuleBasedNumberFormat* rbnf,
NFRuleList& ruleList,
UErrorCode& status);
NFRule(const RuleBasedNumberFormat* rbnf, const UnicodeString &ruleText, UErrorCode &status);
~NFRule();
bool operator==(const NFRule& rhs) const;
bool 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);
char16_t getDecimalPoint() const { return decimalPoint; }
int64_t getDivisor() const;
void doFormat(int64_t number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const;
void doFormat(double number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const;
UBool doParse(const UnicodeString& text,
ParsePosition& pos,
UBool isFractional,
double upperBound,
uint32_t nonNumericalExecutedRuleMask,
Formattable& result) const;
UBool shouldRollBack(int64_t number) const;
void _appendRuleText(UnicodeString& result) const;
int32_t findTextLenient(const UnicodeString& str, const UnicodeString& key,
int32_t startingAt, int32_t* resultCount) const;
void setDecimalFormatSymbols(const DecimalFormatSymbols &newSymbols, UErrorCode& status);
private:
void parseRuleDescriptor(UnicodeString& descriptor, UErrorCode& status);
void extractSubstitutions(const NFRuleSet* ruleSet, const UnicodeString &ruleText, const NFRule* predecessor, UErrorCode& status);
NFSubstitution* extractSubstitution(const NFRuleSet* ruleSet, const NFRule* predecessor, UErrorCode& status);
int16_t expectedExponent() const;
int32_t indexOfAnyRulePrefix() const;
double matchToDelimiter(const UnicodeString& text, int32_t startPos, double baseValue,
const UnicodeString& delimiter, ParsePosition& pp, const NFSubstitution* sub,
uint32_t nonNumericalExecutedRuleMask,
double upperBound) const;
void stripPrefix(UnicodeString& text, const UnicodeString& prefix, ParsePosition& pp) const;
int32_t prefixLength(const UnicodeString& str, const UnicodeString& prefix, UErrorCode& status) const;
UBool allIgnorable(const UnicodeString& str, UErrorCode& status) 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;
char16_t decimalPoint;
UnicodeString fRuleText;
NFSubstitution* sub1;
NFSubstitution* sub2;
const RuleBasedNumberFormat* formatter;
const PluralFormat* rulePatternFormat;
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
|
