1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4******************************************************************************
5* Copyright (C) 1997-2015, International Business Machines
6* Corporation and others. All Rights Reserved.
7******************************************************************************
8* file name: nfrs.h
9* encoding: UTF-8
10* tab size: 8 (not used)
11* indentation:4
12*
13* Modification history
14* Date Name Comments
15* 10/11/2001 Doug Ported from ICU4J
16*/
17
18#ifndef NFRS_H
19#define NFRS_H
20
21#include "unicode/uobject.h"
22#include "unicode/rbnf.h"
23
24#if U_HAVE_RBNF
25
26#include "unicode/utypes.h"
27#include "unicode/umisc.h"
28
29#include "nfrlist.h"
30
31U_NAMESPACE_BEGIN
32
33class NFRuleSet : public UMemory {
34public:
35 NFRuleSet(RuleBasedNumberFormat *owner, UnicodeString* descriptions, int32_t index, UErrorCode& status);
36 void parseRules(UnicodeString& rules, UErrorCode& status);
37 void setNonNumericalRule(NFRule *rule);
38 void setBestFractionRule(int32_t originalIndex, NFRule *newRule, UBool rememberRule);
39 void makeIntoFractionRuleSet() { fIsFractionRuleSet = TRUE; }
40
41 ~NFRuleSet();
42
43 UBool operator==(const NFRuleSet& rhs) const;
44 UBool operator!=(const NFRuleSet& rhs) const { return !operator==(rhs); }
45
46 UBool isPublic() const { return fIsPublic; }
47
48 UBool isParseable() const { return fIsParseable; }
49
50 UBool isFractionRuleSet() const { return fIsFractionRuleSet; }
51
52 void getName(UnicodeString& result) const { result.setTo(name); }
53 UBool isNamed(const UnicodeString& _name) const { return this->name == _name; }
54
55 void format(int64_t number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const;
56 void format(double number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const;
57
58 UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, uint32_t nonNumericalExecutedRuleMask, Formattable& result) const;
59
60 void appendRules(UnicodeString& result) const; // toString
61
62 void setDecimalFormatSymbols(const DecimalFormatSymbols &newSymbols, UErrorCode& status);
63
64 const RuleBasedNumberFormat *getOwner() const { return owner; }
65private:
66 const NFRule * findNormalRule(int64_t number) const;
67 const NFRule * findDoubleRule(double number) const;
68 const NFRule * findFractionRuleSetRule(double number) const;
69
70 friend class NFSubstitution;
71
72private:
73 UnicodeString name;
74 NFRuleList rules;
75 NFRule *nonNumericalRules[6];
76 RuleBasedNumberFormat *owner;
77 NFRuleList fractionRules;
78 UBool fIsFractionRuleSet;
79 UBool fIsPublic;
80 UBool fIsParseable;
81
82 NFRuleSet(const NFRuleSet &other); // forbid copying of this class
83 NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class
84};
85
86// utilities from old llong.h
87// convert mantissa portion of double to int64
88int64_t util64_fromDouble(double d);
89
90// raise radix to the power exponent, only non-negative exponents
91// Arithmetic is performed in unsigned space since overflow in
92// signed space is undefined behavior.
93uint64_t util64_pow(uint32_t radix, uint16_t exponent);
94
95// convert n to digit string in buffer, return length of string
96uint32_t util64_tou(int64_t n, UChar* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
97
98#ifdef RBNF_DEBUG
99int64_t util64_utoi(const UChar* str, uint32_t radix = 10);
100uint32_t util64_toa(int64_t n, char* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
101int64_t util64_atoi(const char* str, uint32_t radix);
102#endif
103
104
105U_NAMESPACE_END
106
107/* U_HAVE_RBNF */
108#endif
109
110// NFRS_H
111#endif
112