1/*
2******************************************************************************
3*   Copyright (C) 1997-2009, 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 {
45      UnicodeString prefixpart = UNICODE_STRING_SIMPLE("-prefixpart");
46      UnicodeString postfix = UNICODE_STRING_SIMPLE("-postfix");
47      UnicodeString postfx = UNICODE_STRING_SIMPLE("-postfx");
48
49      return ( name.indexOf(prefixpart) == -1 && name.indexOf(postfix) == -1 && name.indexOf(postfx) == -1 );
50  }
51
52  UBool isFractionRuleSet() const { return fIsFractionRuleSet; }
53
54  void  getName(UnicodeString& result) const { result.setTo(name); }
55  UBool isNamed(const UnicodeString& _name) const { return this->name == _name; }
56
57  void  format(int64_t number, UnicodeString& toAppendTo, int32_t pos) const;
58  void  format(double number, UnicodeString& toAppendTo, int32_t pos) const;
59
60  UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, Formattable& result) const;
61
62  void appendRules(UnicodeString& result) const; // toString
63
64 private:
65  NFRule * findNormalRule(int64_t number) const;
66  NFRule * findDoubleRule(double number) const;
67  NFRule * findFractionRuleSetRule(double number) const;
68
69 private:
70  UnicodeString name;
71  NFRuleList rules;
72  NFRule *negativeNumberRule;
73  NFRule *fractionRules[3];
74  UBool fIsFractionRuleSet;
75  UBool fIsPublic;
76  int32_t fRecursionCount;
77
78  NFRuleSet(const NFRuleSet &other); // forbid copying of this class
79  NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class
80};
81
82// utilities from old llong.h
83// convert mantissa portion of double to int64
84int64_t util64_fromDouble(double d);
85
86// raise radix to the power exponent, only non-negative exponents
87int64_t util64_pow(int32_t radix, uint32_t exponent);
88
89// convert n to digit string in buffer, return length of string
90uint32_t util64_tou(int64_t n, UChar* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
91
92#ifdef RBNF_DEBUG
93int64_t util64_utoi(const UChar* str, uint32_t radix = 10);
94uint32_t util64_toa(int64_t n, char* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
95int64_t util64_atoi(const char* str, uint32_t radix);
96#endif
97
98
99U_NAMESPACE_END
100
101/* U_HAVE_RBNF */
102#endif
103
104// NFRS_H
105#endif
106
107