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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
// © 2018 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/formattedvalue.h"
#include "formattedval_impl.h"
#include "capi_helper.h"
U_NAMESPACE_BEGIN
ConstrainedFieldPosition::ConstrainedFieldPosition() {}
ConstrainedFieldPosition::~ConstrainedFieldPosition() {}
void ConstrainedFieldPosition::reset() {
fContext = 0LL;
fField = 0;
fStart = 0;
fLimit = 0;
fConstraint = UCFPOS_CONSTRAINT_NONE;
fCategory = UFIELD_CATEGORY_UNDEFINED;
}
void ConstrainedFieldPosition::constrainCategory(int32_t category) {
fConstraint = UCFPOS_CONSTRAINT_CATEGORY;
fCategory = category;
}
void ConstrainedFieldPosition::constrainField(int32_t category, int32_t field) {
fConstraint = UCFPOS_CONSTRAINT_FIELD;
fCategory = category;
fField = field;
}
void ConstrainedFieldPosition::setInt64IterationContext(int64_t context) {
fContext = context;
}
UBool ConstrainedFieldPosition::matchesField(int32_t category, int32_t field) const {
switch (fConstraint) {
case UCFPOS_CONSTRAINT_NONE:
return true;
case UCFPOS_CONSTRAINT_CATEGORY:
return fCategory == category;
case UCFPOS_CONSTRAINT_FIELD:
return fCategory == category && fField == field;
default:
UPRV_UNREACHABLE_EXIT;
}
}
void ConstrainedFieldPosition::setState(
int32_t category,
int32_t field,
int32_t start,
int32_t limit) {
fCategory = category;
fField = field;
fStart = start;
fLimit = limit;
}
FormattedValue::~FormattedValue() = default;
///////////////////////
/// C API FUNCTIONS ///
///////////////////////
struct UConstrainedFieldPositionImpl : public UMemory,
// Magic number as ASCII == "UCF"
public IcuCApiHelper<UConstrainedFieldPosition, UConstrainedFieldPositionImpl, 0x55434600> {
ConstrainedFieldPosition fImpl;
};
U_CAPI UConstrainedFieldPosition* U_EXPORT2
ucfpos_open(UErrorCode* ec) {
auto* impl = new UConstrainedFieldPositionImpl();
if (impl == nullptr) {
*ec = U_MEMORY_ALLOCATION_ERROR;
return nullptr;
}
return impl->exportForC();
}
U_CAPI void U_EXPORT2
ucfpos_reset(UConstrainedFieldPosition* ptr, UErrorCode* ec) {
auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
if (U_FAILURE(*ec)) {
return;
}
impl->fImpl.reset();
}
U_CAPI void U_EXPORT2
ucfpos_constrainCategory(UConstrainedFieldPosition* ptr, int32_t category, UErrorCode* ec) {
auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
if (U_FAILURE(*ec)) {
return;
}
impl->fImpl.constrainCategory(category);
}
U_CAPI void U_EXPORT2
ucfpos_constrainField(UConstrainedFieldPosition* ptr, int32_t category, int32_t field, UErrorCode* ec) {
auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
if (U_FAILURE(*ec)) {
return;
}
impl->fImpl.constrainField(category, field);
}
U_CAPI int32_t U_EXPORT2
ucfpos_getCategory(const UConstrainedFieldPosition* ptr, UErrorCode* ec) {
const auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
if (U_FAILURE(*ec)) {
return UFIELD_CATEGORY_UNDEFINED;
}
return impl->fImpl.getCategory();
}
U_CAPI int32_t U_EXPORT2
ucfpos_getField(const UConstrainedFieldPosition* ptr, UErrorCode* ec) {
const auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
if (U_FAILURE(*ec)) {
return 0;
}
return impl->fImpl.getField();
}
U_CAPI void U_EXPORT2
ucfpos_getIndexes(const UConstrainedFieldPosition* ptr, int32_t* pStart, int32_t* pLimit, UErrorCode* ec) {
const auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
if (U_FAILURE(*ec)) {
return;
}
*pStart = impl->fImpl.getStart();
*pLimit = impl->fImpl.getLimit();
}
U_CAPI int64_t U_EXPORT2
ucfpos_getInt64IterationContext(const UConstrainedFieldPosition* ptr, UErrorCode* ec) {
const auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
if (U_FAILURE(*ec)) {
return 0;
}
return impl->fImpl.getInt64IterationContext();
}
U_CAPI void U_EXPORT2
ucfpos_setInt64IterationContext(UConstrainedFieldPosition* ptr, int64_t context, UErrorCode* ec) {
auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
if (U_FAILURE(*ec)) {
return;
}
impl->fImpl.setInt64IterationContext(context);
}
U_CAPI UBool U_EXPORT2
ucfpos_matchesField(const UConstrainedFieldPosition* ptr, int32_t category, int32_t field, UErrorCode* ec) {
const auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
if (U_FAILURE(*ec)) {
return 0;
}
return impl->fImpl.matchesField(category, field);
}
U_CAPI void U_EXPORT2
ucfpos_setState(
UConstrainedFieldPosition* ptr,
int32_t category,
int32_t field,
int32_t start,
int32_t limit,
UErrorCode* ec) {
auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
if (U_FAILURE(*ec)) {
return;
}
impl->fImpl.setState(category, field, start, limit);
}
U_CAPI void U_EXPORT2
ucfpos_close(UConstrainedFieldPosition* ptr) {
UErrorCode localStatus = U_ZERO_ERROR;
auto* impl = UConstrainedFieldPositionImpl::validate(ptr, localStatus);
delete impl;
}
U_CAPI const char16_t* U_EXPORT2
ufmtval_getString(
const UFormattedValue* ufmtval,
int32_t* pLength,
UErrorCode* ec) {
const auto* impl = UFormattedValueApiHelper::validate(ufmtval, *ec);
if (U_FAILURE(*ec)) {
return nullptr;
}
UnicodeString readOnlyAlias = impl->fFormattedValue->toTempString(*ec);
if (U_FAILURE(*ec)) {
return nullptr;
}
if (pLength != nullptr) {
*pLength = readOnlyAlias.length();
}
// Note: this line triggers -Wreturn-local-addr, but it is safe because toTempString is
// defined to return memory owned by the ufmtval argument.
return readOnlyAlias.getBuffer();
}
U_CAPI UBool U_EXPORT2
ufmtval_nextPosition(
const UFormattedValue* ufmtval,
UConstrainedFieldPosition* ucfpos,
UErrorCode* ec) {
const auto* fmtval = UFormattedValueApiHelper::validate(ufmtval, *ec);
auto* cfpos = UConstrainedFieldPositionImpl::validate(ucfpos, *ec);
if (U_FAILURE(*ec)) {
return false;
}
return fmtval->fFormattedValue->nextPosition(cfpos->fImpl, *ec);
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
|
