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
130
131
132
133
134
|
// © 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;
bool hasModulusSubstitution() 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
// TODO: temporary hack to allow MultiplierSubstitution to get to formatter's rounding mode
friend class MultiplierSubstitution;
};
U_NAMESPACE_END
/* U_HAVE_RBNF */
#endif
// NFRULE_H
#endif
|
