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1 // Copyright (C) 2013 Google Inc. | |
2 // | |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 // you may not use this file except in compliance with the License. | |
5 // You may obtain a copy of the License at | |
6 // | |
7 // http://www.apache.org/licenses/LICENSE-2.0 | |
8 // | |
9 // Unless required by applicable law or agreed to in writing, software | |
10 // distributed under the License is distributed on an "AS IS" BASIS, | |
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 // See the License for the specific language governing permissions and | |
13 // limitations under the License. | |
14 | |
15 #include <libaddressinput/address_ui.h> | |
16 | |
17 #include <libaddressinput/address_field.h> | |
18 #include <libaddressinput/address_ui_component.h> | |
19 | |
20 #include <algorithm> | |
21 #include <cassert> | |
22 #include <cstddef> | |
23 #include <set> | |
24 #include <string> | |
25 #include <vector> | |
26 | |
27 #include "grit.h" | |
28 #include "grit/libaddressinput_strings.h" | |
29 #include "region_data_constants.h" | |
30 #include "rule.h" | |
31 #include "util/string_util.h" | |
32 | |
33 namespace i18n { | |
34 namespace addressinput { | |
35 | |
36 namespace { | |
37 | |
38 int GetMessageIdForField(AddressField field, | |
39 const std::string& admin_area_name_type, | |
40 const std::string& postal_code_name_type) { | |
41 switch (field) { | |
42 case COUNTRY: | |
43 return IDS_LIBADDRESSINPUT_I18N_COUNTRY_LABEL; | |
44 case LOCALITY: | |
45 return IDS_LIBADDRESSINPUT_I18N_LOCALITY_LABEL; | |
46 case DEPENDENT_LOCALITY: | |
47 return IDS_LIBADDRESSINPUT_I18N_DEPENDENT_LOCALITY_LABEL; | |
48 case SORTING_CODE: | |
49 return IDS_LIBADDRESSINPUT_I18N_CEDEX_LABEL; | |
50 case STREET_ADDRESS: | |
51 return IDS_LIBADDRESSINPUT_I18N_ADDRESS_LINE1_LABEL; | |
52 case RECIPIENT: | |
53 return IDS_LIBADDRESSINPUT_I18N_RECIPIENT_LABEL; | |
54 | |
55 case ADMIN_AREA: | |
56 if (admin_area_name_type == "area") { | |
57 return IDS_LIBADDRESSINPUT_I18N_AREA; | |
58 } | |
59 if (admin_area_name_type == "county") { | |
60 return IDS_LIBADDRESSINPUT_I18N_COUNTY_LABEL; | |
61 } | |
62 if (admin_area_name_type == "department") { | |
63 return IDS_LIBADDRESSINPUT_I18N_DEPARTMENT; | |
64 } | |
65 if (admin_area_name_type == "district") { | |
66 return IDS_LIBADDRESSINPUT_I18N_DEPENDENT_LOCALITY_LABEL; | |
67 } | |
68 if (admin_area_name_type == "do_si") { | |
69 return IDS_LIBADDRESSINPUT_I18N_DO_SI; | |
70 } | |
71 if (admin_area_name_type == "emirate") { | |
72 return IDS_LIBADDRESSINPUT_I18N_EMIRATE; | |
73 } | |
74 if (admin_area_name_type == "island") { | |
75 return IDS_LIBADDRESSINPUT_I18N_ISLAND; | |
76 } | |
77 if (admin_area_name_type == "parish") { | |
78 return IDS_LIBADDRESSINPUT_I18N_PARISH; | |
79 } | |
80 if (admin_area_name_type == "prefecture") { | |
81 return IDS_LIBADDRESSINPUT_I18N_PREFECTURE; | |
82 } | |
83 if (admin_area_name_type == "province") { | |
84 return IDS_LIBADDRESSINPUT_I18N_PROVINCE; | |
85 } | |
86 if (admin_area_name_type == "state") { | |
87 return IDS_LIBADDRESSINPUT_I18N_STATE_LABEL; | |
88 } | |
89 break; | |
90 | |
91 case POSTAL_CODE: | |
92 if (postal_code_name_type == "postal") { | |
93 return IDS_LIBADDRESSINPUT_I18N_POSTAL_CODE_LABEL; | |
94 } | |
95 if (postal_code_name_type == "zip") { | |
96 return IDS_LIBADDRESSINPUT_I18N_ZIP_CODE_LABEL; | |
97 } | |
98 break; | |
99 } | |
100 | |
101 return INVALID_MESSAGE_ID; | |
102 } | |
103 | |
104 // Returns the BCP 47 language code that should be used to format the address | |
105 // that the user entered. | |
106 // | |
107 // If the rule does not contain information about languages, then returns the | |
108 // UI language. | |
109 // | |
110 // If the UI language is either the default language for the country, one of the | |
111 // languages for rules, or one of the languages for address input, then returns | |
112 // this UI language. If there're no matches, then picks one of the languages in | |
113 // the rule and returns it. | |
114 // | |
115 // If latinized rules are available and the UI language code is not the primary | |
116 // language code for this region, then returns the primary language with "-latn" | |
117 // appended. | |
118 std::string GetComponentsLanguageCode(const Rule& rule, | |
119 const std::string& ui_language_code) { | |
120 // Select the default language code for the region. | |
121 std::string default_language_code; | |
122 if (!rule.GetLanguage().empty()) { | |
123 default_language_code = rule.GetLanguage(); | |
124 } else if (!rule.GetLanguages().empty()) { | |
125 default_language_code = rule.GetLanguages()[0]; | |
126 } else if (!rule.GetInputLanguages().empty()) { | |
127 default_language_code = rule.GetInputLanguages()[0]; | |
128 } else { | |
129 // Region does not have any language information (e.g. Antarctica). Use the | |
130 // UI language code as is. | |
131 return ui_language_code; | |
132 } | |
133 | |
134 // If the UI language code is not set, then use default language code. | |
135 if (ui_language_code.empty()) { | |
136 return default_language_code; | |
137 } | |
138 | |
139 const std::string& normalized_ui_language_code = | |
140 NormalizeLanguageCode(ui_language_code); | |
141 const std::string& normalized_default_language_code = | |
142 NormalizeLanguageCode(default_language_code); | |
143 | |
144 // Check whether UI language code matches any language codes in the rule, | |
145 // normalized or as is. | |
146 if (normalized_default_language_code == normalized_ui_language_code || | |
147 std::find( | |
148 rule.GetLanguages().begin(), | |
149 rule.GetLanguages().end(), | |
150 ui_language_code) != rule.GetLanguages().end() || | |
151 std::find( | |
152 rule.GetLanguages().begin(), | |
153 rule.GetLanguages().end(), | |
154 normalized_ui_language_code) != rule.GetLanguages().end() || | |
155 std::find( | |
156 rule.GetInputLanguages().begin(), | |
157 rule.GetInputLanguages().end(), | |
158 ui_language_code) != rule.GetInputLanguages().end() || | |
159 std::find( | |
160 rule.GetInputLanguages().begin(), | |
161 rule.GetInputLanguages().end(), | |
162 normalized_ui_language_code) != rule.GetInputLanguages().end()) { | |
163 return ui_language_code; | |
164 } | |
165 | |
166 // The UI language code does not match any language information in the rule. | |
167 return rule.GetLatinFormat().empty() | |
168 ? default_language_code | |
169 : normalized_default_language_code + "-latn"; | |
170 } | |
171 | |
172 } // namespace | |
173 | |
174 const std::vector<std::string>& GetRegionCodes() { | |
175 return RegionDataConstants::GetRegionCodes(); | |
176 } | |
177 | |
178 std::vector<AddressUiComponent> BuildComponents( | |
179 const std::string& region_code, | |
180 const std::string& ui_language_code, | |
181 std::string* components_language_code) { | |
182 std::vector<AddressUiComponent> result; | |
183 | |
184 Rule rule; | |
185 rule.CopyFrom(Rule::GetDefault()); | |
186 if (!rule.ParseSerializedRule( | |
187 RegionDataConstants::GetRegionData(region_code))) { | |
188 return result; | |
189 } | |
190 | |
191 if (components_language_code != NULL) { | |
192 *components_language_code = | |
193 GetComponentsLanguageCode(rule, ui_language_code); | |
194 } | |
195 | |
196 // For avoiding showing an input field twice, when the field is displayed | |
197 // twice on an envelope. | |
198 std::set<AddressField> fields; | |
199 | |
200 // If latinized rules are available and the |ui_language_code| is not the | |
201 // primary language code for the region, then use the latinized formatting | |
202 // rules. | |
203 const std::vector<std::vector<FormatElement> >& format = | |
204 rule.GetLatinFormat().empty() || | |
205 ui_language_code.empty() || | |
206 NormalizeLanguageCode(ui_language_code) == | |
207 NormalizeLanguageCode(rule.GetLanguage()) | |
208 ? rule.GetFormat() : rule.GetLatinFormat(); | |
209 | |
210 for (std::vector<std::vector<FormatElement> >::const_iterator | |
211 line_it = format.begin(); | |
212 line_it != format.end(); | |
213 ++line_it) { | |
214 int num_fields_this_row = 0; | |
215 for (std::vector<FormatElement>::const_iterator element_it = | |
216 line_it->begin(); | |
217 element_it != line_it->end(); | |
218 ++element_it) { | |
219 if (element_it->IsField()) { | |
220 ++num_fields_this_row; | |
221 } | |
222 } | |
223 | |
224 for (std::vector<FormatElement>::const_iterator element_it = | |
225 line_it->begin(); | |
226 element_it != line_it->end(); | |
227 ++element_it) { | |
228 AddressField field = element_it->field; | |
229 if (!element_it->IsField() || fields.find(field) != fields.end()) { | |
230 continue; | |
231 } | |
232 fields.insert(field); | |
233 | |
234 AddressUiComponent component; | |
235 component.length_hint = | |
236 num_fields_this_row == 1 ? AddressUiComponent::HINT_LONG | |
237 : AddressUiComponent::HINT_SHORT; | |
238 component.field = field; | |
239 component.name_id = | |
240 GetMessageIdForField(field, | |
241 rule.GetAdminAreaNameType(), | |
242 rule.GetPostalCodeNameType()); | |
243 result.push_back(component); | |
244 } | |
245 } | |
246 | |
247 return result; | |
248 } | |
249 | |
250 const std::string& GetCompactAddressLinesSeparator( | |
251 const std::string& language_code) { | |
252 return RegionDataConstants::GetLanguageCompactLineSeparator(language_code); | |
253 } | |
254 | |
255 } // namespace addressinput | |
256 } // namespace i18n | |
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