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1 /* | |
2 ******************************************************************************** | |
3 * Copyright (C) 2010, International Business Machines | |
4 * Corporation and others. All Rights Reserved. | |
5 ******************************************************************************** | |
6 * | |
7 * File attiter.h | |
8 * | |
9 * Modification History: | |
10 * | |
11 * Date Name Description | |
12 * 12/15/2009 dougfelt Created | |
13 ******************************************************************************** | |
14 */ | |
15 | |
16 #ifndef FPOSITER_H | |
17 #define FPOSITER_H | |
18 | |
19 #include "unicode/utypes.h" | |
20 #include "unicode/uobject.h" | |
21 | |
22 /** | |
23 * \file | |
24 * \brief C++ API: FieldPosition Iterator. | |
25 */ | |
26 | |
27 #if UCONFIG_NO_FORMATTING | |
28 | |
29 U_NAMESPACE_BEGIN | |
30 | |
31 /* | |
32 * Allow the declaration of APIs with pointers to FieldPositionIterator | |
33 * even when formatting is removed from the build. | |
34 */ | |
35 class FieldPositionIterator; | |
36 | |
37 U_NAMESPACE_END | |
38 | |
39 #else | |
40 | |
41 #include "unicode/fieldpos.h" | |
42 #include "unicode/umisc.h" | |
43 | |
44 U_NAMESPACE_BEGIN | |
45 | |
46 class UVector32; | |
47 | |
48 /** | |
49 * FieldPositionIterator returns the field ids and their start/limit positions g
enerated | |
50 * by a call to Format::format. See Format, NumberFormat, DecimalFormat. | |
51 * @stable ICU 4.4 | |
52 */ | |
53 class U_I18N_API FieldPositionIterator : public UObject { | |
54 public: | |
55 /** | |
56 * Destructor. | |
57 * @stable ICU 4.4 | |
58 */ | |
59 ~FieldPositionIterator(); | |
60 | |
61 /** | |
62 * Constructs a new, empty iterator. | |
63 * @stable ICU 4.4 | |
64 */ | |
65 FieldPositionIterator(void); | |
66 | |
67 /** | |
68 * Copy constructor. If the copy failed for some reason, the new iterator w
ill | |
69 * be empty. | |
70 * @stable ICU 4.4 | |
71 */ | |
72 FieldPositionIterator(const FieldPositionIterator&); | |
73 | |
74 /** | |
75 * Return true if another object is semantically equal to this | |
76 * one. | |
77 * <p> | |
78 * Return true if this FieldPositionIterator is at the same position in an | |
79 * equal array of run values. | |
80 * @stable ICU 4.4 | |
81 */ | |
82 UBool operator==(const FieldPositionIterator&) const; | |
83 | |
84 /** | |
85 * Returns the complement of the result of operator== | |
86 * @param rhs The FieldPositionIterator to be compared for inequality | |
87 * @return the complement of the result of operator== | |
88 * @stable ICU 4.4 | |
89 */ | |
90 UBool operator!=(const FieldPositionIterator& rhs) const { return !operator=
=(rhs); } | |
91 | |
92 /** | |
93 * If the current position is valid, updates the FieldPosition values, advan
ces the iterator, | |
94 * and returns TRUE, otherwise returns FALSE. | |
95 * @stable ICU 4.4 | |
96 */ | |
97 UBool next(FieldPosition& fp); | |
98 | |
99 private: | |
100 friend class FieldPositionIteratorHandler; | |
101 | |
102 /** | |
103 * Sets the data used by the iterator, and resets the position. | |
104 * Returns U_ILLEGAL_ARGUMENT_ERROR in status if the data is not valid | |
105 * (length is not a multiple of 3, or start >= limit for any run). | |
106 */ | |
107 void setData(UVector32 *adopt, UErrorCode& status); | |
108 | |
109 UVector32 *data; | |
110 int32_t pos; | |
111 | |
112 // No ICU "poor man's RTTI" for this class nor its subclasses. | |
113 virtual UClassID getDynamicClassID() const; | |
114 }; | |
115 | |
116 U_NAMESPACE_END | |
117 | |
118 #endif /* #if !UCONFIG_NO_FORMATTING */ | |
119 | |
120 #endif // FPOSITER_H | |
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