1// © 2018 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3
4#include "unicode/utypes.h"
5
6#if !UCONFIG_NO_FORMATTING
7
8#include "unicode/formattedvalue.h"
9#include "formattedval_impl.h"
10#include "capi_helper.h"
11
12U_NAMESPACE_BEGIN
13
14
15ConstrainedFieldPosition::ConstrainedFieldPosition() {}
16
17ConstrainedFieldPosition::~ConstrainedFieldPosition() {}
18
19void ConstrainedFieldPosition::reset() {
20 fContext = 0LL;
21 fField = 0;
22 fStart = 0;
23 fLimit = 0;
24 fConstraint = UCFPOS_CONSTRAINT_NONE;
25 fCategory = UFIELD_CATEGORY_UNDEFINED;
26}
27
28void ConstrainedFieldPosition::constrainCategory(int32_t category) {
29 fConstraint = UCFPOS_CONSTRAINT_CATEGORY;
30 fCategory = category;
31}
32
33void ConstrainedFieldPosition::constrainField(int32_t category, int32_t field) {
34 fConstraint = UCFPOS_CONSTRAINT_FIELD;
35 fCategory = category;
36 fField = field;
37}
38
39void ConstrainedFieldPosition::setInt64IterationContext(int64_t context) {
40 fContext = context;
41}
42
43UBool ConstrainedFieldPosition::matchesField(int32_t category, int32_t field) const {
44 switch (fConstraint) {
45 case UCFPOS_CONSTRAINT_NONE:
46 return TRUE;
47 case UCFPOS_CONSTRAINT_CATEGORY:
48 return fCategory == category;
49 case UCFPOS_CONSTRAINT_FIELD:
50 return fCategory == category && fField == field;
51 default:
52 UPRV_UNREACHABLE;
53 }
54}
55
56void ConstrainedFieldPosition::setState(
57 int32_t category,
58 int32_t field,
59 int32_t start,
60 int32_t limit) {
61 fCategory = category;
62 fField = field;
63 fStart = start;
64 fLimit = limit;
65}
66
67
68FormattedValue::~FormattedValue() = default;
69
70
71///////////////////////
72/// C API FUNCTIONS ///
73///////////////////////
74
75struct UConstrainedFieldPositionImpl : public UMemory,
76 // Magic number as ASCII == "UCF"
77 public IcuCApiHelper<UConstrainedFieldPosition, UConstrainedFieldPositionImpl, 0x55434600> {
78 ConstrainedFieldPosition fImpl;
79};
80
81U_CAPI UConstrainedFieldPosition* U_EXPORT2
82ucfpos_open(UErrorCode* ec) {
83 auto* impl = new UConstrainedFieldPositionImpl();
84 if (impl == nullptr) {
85 *ec = U_MEMORY_ALLOCATION_ERROR;
86 return nullptr;
87 }
88 return impl->exportForC();
89}
90
91U_CAPI void U_EXPORT2
92ucfpos_reset(UConstrainedFieldPosition* ptr, UErrorCode* ec) {
93 auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
94 if (U_FAILURE(*ec)) {
95 return;
96 }
97 impl->fImpl.reset();
98}
99
100U_CAPI void U_EXPORT2
101ucfpos_constrainCategory(UConstrainedFieldPosition* ptr, int32_t category, UErrorCode* ec) {
102 auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
103 if (U_FAILURE(*ec)) {
104 return;
105 }
106 impl->fImpl.constrainCategory(category);
107}
108
109U_CAPI void U_EXPORT2
110ucfpos_constrainField(UConstrainedFieldPosition* ptr, int32_t category, int32_t field, UErrorCode* ec) {
111 auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
112 if (U_FAILURE(*ec)) {
113 return;
114 }
115 impl->fImpl.constrainField(category, field);
116}
117
118U_CAPI int32_t U_EXPORT2
119ucfpos_getCategory(const UConstrainedFieldPosition* ptr, UErrorCode* ec) {
120 const auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
121 if (U_FAILURE(*ec)) {
122 return UFIELD_CATEGORY_UNDEFINED;
123 }
124 return impl->fImpl.getCategory();
125}
126
127U_CAPI int32_t U_EXPORT2
128ucfpos_getField(const UConstrainedFieldPosition* ptr, UErrorCode* ec) {
129 const auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
130 if (U_FAILURE(*ec)) {
131 return 0;
132 }
133 return impl->fImpl.getField();
134}
135
136U_CAPI void U_EXPORT2
137ucfpos_getIndexes(const UConstrainedFieldPosition* ptr, int32_t* pStart, int32_t* pLimit, UErrorCode* ec) {
138 const auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
139 if (U_FAILURE(*ec)) {
140 return;
141 }
142 *pStart = impl->fImpl.getStart();
143 *pLimit = impl->fImpl.getLimit();
144}
145
146U_CAPI int64_t U_EXPORT2
147ucfpos_getInt64IterationContext(const UConstrainedFieldPosition* ptr, UErrorCode* ec) {
148 const auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
149 if (U_FAILURE(*ec)) {
150 return 0;
151 }
152 return impl->fImpl.getInt64IterationContext();
153}
154
155U_CAPI void U_EXPORT2
156ucfpos_setInt64IterationContext(UConstrainedFieldPosition* ptr, int64_t context, UErrorCode* ec) {
157 auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
158 if (U_FAILURE(*ec)) {
159 return;
160 }
161 impl->fImpl.setInt64IterationContext(context);
162}
163
164U_CAPI UBool U_EXPORT2
165ucfpos_matchesField(const UConstrainedFieldPosition* ptr, int32_t category, int32_t field, UErrorCode* ec) {
166 const auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
167 if (U_FAILURE(*ec)) {
168 return 0;
169 }
170 return impl->fImpl.matchesField(category, field);
171}
172
173U_CAPI void U_EXPORT2
174ucfpos_setState(
175 UConstrainedFieldPosition* ptr,
176 int32_t category,
177 int32_t field,
178 int32_t start,
179 int32_t limit,
180 UErrorCode* ec) {
181 auto* impl = UConstrainedFieldPositionImpl::validate(ptr, *ec);
182 if (U_FAILURE(*ec)) {
183 return;
184 }
185 impl->fImpl.setState(category, field, start, limit);
186}
187
188U_CAPI void U_EXPORT2
189ucfpos_close(UConstrainedFieldPosition* ptr) {
190 UErrorCode localStatus = U_ZERO_ERROR;
191 auto* impl = UConstrainedFieldPositionImpl::validate(ptr, localStatus);
192 delete impl;
193}
194
195
196U_DRAFT const UChar* U_EXPORT2
197ufmtval_getString(
198 const UFormattedValue* ufmtval,
199 int32_t* pLength,
200 UErrorCode* ec) {
201 const auto* impl = UFormattedValueApiHelper::validate(ufmtval, *ec);
202 if (U_FAILURE(*ec)) {
203 return nullptr;
204 }
205 UnicodeString readOnlyAlias = impl->fFormattedValue->toTempString(*ec);
206 if (U_FAILURE(*ec)) {
207 return nullptr;
208 }
209 if (pLength != nullptr) {
210 *pLength = readOnlyAlias.length();
211 }
212 return readOnlyAlias.getBuffer();
213}
214
215
216U_DRAFT UBool U_EXPORT2
217ufmtval_nextPosition(
218 const UFormattedValue* ufmtval,
219 UConstrainedFieldPosition* ucfpos,
220 UErrorCode* ec) {
221 const auto* fmtval = UFormattedValueApiHelper::validate(ufmtval, *ec);
222 auto* cfpos = UConstrainedFieldPositionImpl::validate(ucfpos, *ec);
223 if (U_FAILURE(*ec)) {
224 return FALSE;
225 }
226 return fmtval->fFormattedValue->nextPosition(cfpos->fImpl, *ec);
227}
228
229
230U_NAMESPACE_END
231
232#endif /* #if !UCONFIG_NO_FORMATTING */
233