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
12 U_NAMESPACE_BEGIN
13
14
ConstrainedFieldPosition()15 ConstrainedFieldPosition::ConstrainedFieldPosition() {}
16
~ConstrainedFieldPosition()17 ConstrainedFieldPosition::~ConstrainedFieldPosition() {}
18
reset()19 void 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
constrainCategory(int32_t category)28 void ConstrainedFieldPosition::constrainCategory(int32_t category) {
29 fConstraint = UCFPOS_CONSTRAINT_CATEGORY;
30 fCategory = category;
31 }
32
constrainField(int32_t category,int32_t field)33 void ConstrainedFieldPosition::constrainField(int32_t category, int32_t field) {
34 fConstraint = UCFPOS_CONSTRAINT_FIELD;
35 fCategory = category;
36 fField = field;
37 }
38
setInt64IterationContext(int64_t context)39 void ConstrainedFieldPosition::setInt64IterationContext(int64_t context) {
40 fContext = context;
41 }
42
matchesField(int32_t category,int32_t field) const43 UBool 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
setState(int32_t category,int32_t field,int32_t start,int32_t limit)56 void 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
68 FormattedValue::~FormattedValue() = default;
69
70
71 ///////////////////////
72 /// C API FUNCTIONS ///
73 ///////////////////////
74
75 struct UConstrainedFieldPositionImpl : public UMemory,
76 // Magic number as ASCII == "UCF"
77 public IcuCApiHelper<UConstrainedFieldPosition, UConstrainedFieldPositionImpl, 0x55434600> {
78 ConstrainedFieldPosition fImpl;
79 };
80
81 U_CAPI UConstrainedFieldPosition* U_EXPORT2
ucfpos_open(UErrorCode * ec)82 ucfpos_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
91 U_CAPI void U_EXPORT2
ucfpos_reset(UConstrainedFieldPosition * ptr,UErrorCode * ec)92 ucfpos_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
100 U_CAPI void U_EXPORT2
ucfpos_constrainCategory(UConstrainedFieldPosition * ptr,int32_t category,UErrorCode * ec)101 ucfpos_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
109 U_CAPI void U_EXPORT2
ucfpos_constrainField(UConstrainedFieldPosition * ptr,int32_t category,int32_t field,UErrorCode * ec)110 ucfpos_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
118 U_CAPI int32_t U_EXPORT2
ucfpos_getCategory(const UConstrainedFieldPosition * ptr,UErrorCode * ec)119 ucfpos_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
127 U_CAPI int32_t U_EXPORT2
ucfpos_getField(const UConstrainedFieldPosition * ptr,UErrorCode * ec)128 ucfpos_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
136 U_CAPI void U_EXPORT2
ucfpos_getIndexes(const UConstrainedFieldPosition * ptr,int32_t * pStart,int32_t * pLimit,UErrorCode * ec)137 ucfpos_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
146 U_CAPI int64_t U_EXPORT2
ucfpos_getInt64IterationContext(const UConstrainedFieldPosition * ptr,UErrorCode * ec)147 ucfpos_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
155 U_CAPI void U_EXPORT2
ucfpos_setInt64IterationContext(UConstrainedFieldPosition * ptr,int64_t context,UErrorCode * ec)156 ucfpos_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
164 U_CAPI UBool U_EXPORT2
ucfpos_matchesField(const UConstrainedFieldPosition * ptr,int32_t category,int32_t field,UErrorCode * ec)165 ucfpos_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
173 U_CAPI void U_EXPORT2
ucfpos_setState(UConstrainedFieldPosition * ptr,int32_t category,int32_t field,int32_t start,int32_t limit,UErrorCode * ec)174 ucfpos_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
188 U_CAPI void U_EXPORT2
ucfpos_close(UConstrainedFieldPosition * ptr)189 ucfpos_close(UConstrainedFieldPosition* ptr) {
190 UErrorCode localStatus = U_ZERO_ERROR;
191 auto* impl = UConstrainedFieldPositionImpl::validate(ptr, localStatus);
192 delete impl;
193 }
194
195
196 U_CAPI const UChar* U_EXPORT2
ufmtval_getString(const UFormattedValue * ufmtval,int32_t * pLength,UErrorCode * ec)197 ufmtval_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
216 U_CAPI UBool U_EXPORT2
ufmtval_nextPosition(const UFormattedValue * ufmtval,UConstrainedFieldPosition * ucfpos,UErrorCode * ec)217 ufmtval_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
230 U_NAMESPACE_END
231
232 #endif /* #if !UCONFIG_NO_FORMATTING */
233