1/*
2******************************************************************************
3*   Copyright (C) 1997-2012, International Business Machines
4*   Corporation and others.  All Rights Reserved.
5******************************************************************************
6*   file name:  nfrs.h
7*   encoding:   US-ASCII
8*   tab size:   8 (not used)
9*   indentation:4
10*
11* Modification history
12* Date        Name      Comments
13* 10/11/2001  Doug      Ported from ICU4J
14*/
15
16#ifndef NFRS_H
17#define NFRS_H
18
19#include "unicode/uobject.h"
20#include "unicode/rbnf.h"
21
22#if U_HAVE_RBNF
23
24#include "unicode/utypes.h"
25#include "unicode/umisc.h"
26
27#include "nfrlist.h"
28
29U_NAMESPACE_BEGIN
30
31class NFRuleSet : public UMemory {
32 public:
33  NFRuleSet(UnicodeString* descriptions, int32_t index, UErrorCode& status);
34  void parseRules(UnicodeString& rules, const RuleBasedNumberFormat* owner, UErrorCode& status);
35  void makeIntoFractionRuleSet() { fIsFractionRuleSet = TRUE; }
36
37  ~NFRuleSet();
38
39  UBool operator==(const NFRuleSet& rhs) const;
40  UBool operator!=(const NFRuleSet& rhs) const { return !operator==(rhs); }
41
42  UBool isPublic() const { return fIsPublic; }
43
44  UBool isParseable() const { return fIsParseable; }
45
46  UBool isFractionRuleSet() const { return fIsFractionRuleSet; }
47
48  void  getName(UnicodeString& result) const { result.setTo(name); }
49  UBool isNamed(const UnicodeString& _name) const { return this->name == _name; }
50
51  void  format(int64_t number, UnicodeString& toAppendTo, int32_t pos) const;
52  void  format(double number, UnicodeString& toAppendTo, int32_t pos) const;
53
54  UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, Formattable& result) const;
55
56  void appendRules(UnicodeString& result) const; // toString
57
58 private:
59  NFRule * findNormalRule(int64_t number) const;
60  NFRule * findDoubleRule(double number) const;
61  NFRule * findFractionRuleSetRule(double number) const;
62
63 private:
64  UnicodeString name;
65  NFRuleList rules;
66  NFRule *negativeNumberRule;
67  NFRule *fractionRules[3];
68  UBool fIsFractionRuleSet;
69  UBool fIsPublic;
70  UBool fIsParseable;
71  int32_t fRecursionCount;
72
73  NFRuleSet(const NFRuleSet &other); // forbid copying of this class
74  NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class
75};
76
77// utilities from old llong.h
78// convert mantissa portion of double to int64
79int64_t util64_fromDouble(double d);
80
81// raise radix to the power exponent, only non-negative exponents
82int64_t util64_pow(int32_t radix, uint32_t exponent);
83
84// convert n to digit string in buffer, return length of string
85uint32_t util64_tou(int64_t n, UChar* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
86
87#ifdef RBNF_DEBUG
88int64_t util64_utoi(const UChar* str, uint32_t radix = 10);
89uint32_t util64_toa(int64_t n, char* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
90int64_t util64_atoi(const char* str, uint32_t radix);
91#endif
92
93
94U_NAMESPACE_END
95
96/* U_HAVE_RBNF */
97#endif
98
99// NFRS_H
100#endif
101
102