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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_validator.h> | |
| 16 | |
| 17 #include <libaddressinput/address_data.h> | |
| 18 #include <libaddressinput/downloader.h> | |
| 19 #include <libaddressinput/load_rules_delegate.h> | |
| 20 #include <libaddressinput/storage.h> | |
| 21 #include <libaddressinput/util/basictypes.h> | |
| 22 #include <libaddressinput/util/scoped_ptr.h> | |
| 23 | |
| 24 #include <algorithm> | |
| 25 #include <bitset> | |
| 26 #include <cassert> | |
| 27 #include <cstddef> | |
| 28 #include <map> | |
| 29 #include <set> | |
| 30 #include <string> | |
| 31 #include <utility> | |
| 32 #include <vector> | |
| 33 | |
| 34 #include <re2/re2.h> | |
| 35 | |
| 36 #include "country_rules_aggregator.h" | |
| 37 #include "grit.h" | |
| 38 #include "grit/libaddressinput_strings.h" | |
| 39 #include "region_data_constants.h" | |
| 40 #include "retriever.h" | |
| 41 #include "rule.h" | |
| 42 #include "ruleset.h" | |
| 43 #include "util/stl_util.h" | |
| 44 #include "util/string_util.h" | |
| 45 | |
| 46 namespace i18n { | |
| 47 namespace addressinput { | |
| 48 | |
| 49 namespace { | |
| 50 | |
| 51 // A type to store a list of pointers to Ruleset objects. | |
| 52 typedef std::set<const Ruleset*> Rulesets; | |
| 53 | |
| 54 // A type to map the field in a rule to rulesets. | |
| 55 typedef std::map<Rule::IdentityField, Rulesets> IdentityFieldRulesets; | |
| 56 | |
| 57 // A type to map the field in an address to rulesets. | |
| 58 typedef std::map<AddressField, IdentityFieldRulesets> AddressFieldRulesets; | |
| 59 | |
| 60 // A set of Rule::IdentityField values that match user input. | |
| 61 typedef std::bitset<Rule::IDENTITY_FIELDS_SIZE> MatchingRuleFields; | |
| 62 | |
| 63 // Returns true if |prefix_regex| matches a prefix of |value|. For example, | |
| 64 // "(90|81)" matches a prefix of "90291". | |
| 65 bool ValueMatchesPrefixRegex(const std::string& value, | |
| 66 const std::string& prefix_regex) { | |
| 67 return RE2::FullMatch(value, "^(" + prefix_regex + ").*"); | |
| 68 } | |
| 69 | |
| 70 // Returns true if the filter is empty (all problems allowed) or contains the | |
| 71 // |field|->|problem| mapping (explicitly allowed). | |
| 72 bool FilterAllows(const AddressProblemFilter& filter, | |
| 73 AddressField field, | |
| 74 AddressProblem::Type problem) { | |
| 75 if (filter.empty()) { | |
| 76 return true; | |
| 77 } | |
| 78 | |
| 79 for (AddressProblemFilter::const_iterator it = filter.begin(); | |
| 80 it != filter.end(); ++it) { | |
| 81 if (it->first == field && it->second == problem) { | |
| 82 return true; | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 return false; | |
| 87 } | |
| 88 | |
| 89 // Returns |true| if the |street_address| is empty or contains only empty | |
| 90 // strings. | |
| 91 bool IsEmptyStreetAddress(const std::vector<std::string>& street_address) { | |
| 92 for (std::vector<std::string>::const_iterator it = street_address.begin(); | |
| 93 it != street_address.end(); ++it) { | |
| 94 if (!it->empty()) { | |
| 95 return false; | |
| 96 } | |
| 97 } | |
| 98 return true; | |
| 99 } | |
| 100 | |
| 101 // Returns the ID of the string that should be displayed when the given field | |
| 102 // is invalid in the context of |country_rule|. | |
| 103 int GetInvalidFieldMessageId(const Rule& country_rule, AddressField field) { | |
| 104 switch (field) { | |
| 105 case LOCALITY: | |
| 106 return IDS_LIBADDRESSINPUT_I18N_INVALID_LOCALITY_LABEL; | |
| 107 case DEPENDENT_LOCALITY: | |
| 108 return IDS_LIBADDRESSINPUT_I18N_INVALID_DEPENDENT_LOCALITY_LABEL; | |
| 109 | |
| 110 case ADMIN_AREA: { | |
| 111 const std::string& admin_area_name_type = | |
| 112 country_rule.GetAdminAreaNameType(); | |
| 113 if (admin_area_name_type == "area") { | |
| 114 return IDS_LIBADDRESSINPUT_I18N_INVALID_AREA; | |
| 115 } | |
| 116 if (admin_area_name_type == "county") { | |
| 117 return IDS_LIBADDRESSINPUT_I18N_INVALID_COUNTY_LABEL; | |
| 118 } | |
| 119 if (admin_area_name_type == "department") { | |
| 120 return IDS_LIBADDRESSINPUT_I18N_INVALID_DEPARTMENT; | |
| 121 } | |
| 122 if (admin_area_name_type == "district") { | |
| 123 return IDS_LIBADDRESSINPUT_I18N_INVALID_DEPENDENT_LOCALITY_LABEL; | |
| 124 } | |
| 125 if (admin_area_name_type == "do_si") { | |
| 126 return IDS_LIBADDRESSINPUT_I18N_INVALID_DO_SI; | |
| 127 } | |
| 128 if (admin_area_name_type == "emirate") { | |
| 129 return IDS_LIBADDRESSINPUT_I18N_INVALID_EMIRATE; | |
| 130 } | |
| 131 if (admin_area_name_type == "island") { | |
| 132 return IDS_LIBADDRESSINPUT_I18N_INVALID_ISLAND; | |
| 133 } | |
| 134 if (admin_area_name_type == "parish") { | |
| 135 return IDS_LIBADDRESSINPUT_I18N_INVALID_PARISH; | |
| 136 } | |
| 137 if (admin_area_name_type == "prefecture") { | |
| 138 return IDS_LIBADDRESSINPUT_I18N_INVALID_PREFECTURE; | |
| 139 } | |
| 140 if (admin_area_name_type == "province") { | |
| 141 return IDS_LIBADDRESSINPUT_I18N_INVALID_PROVINCE; | |
| 142 } | |
| 143 if (admin_area_name_type == "state") { | |
| 144 return IDS_LIBADDRESSINPUT_I18N_INVALID_STATE_LABEL; | |
| 145 } | |
| 146 return INVALID_MESSAGE_ID; | |
| 147 } | |
| 148 | |
| 149 case POSTAL_CODE: { | |
| 150 const std::string& postal_code_name_type = | |
| 151 country_rule.GetPostalCodeNameType(); | |
| 152 if (postal_code_name_type == "postal") { | |
| 153 return IDS_LIBADDRESSINPUT_I18N_INVALID_POSTAL_CODE_LABEL; | |
| 154 } | |
| 155 if (postal_code_name_type == "zip") { | |
| 156 return IDS_LIBADDRESSINPUT_I18N_INVALID_ZIP_CODE_LABEL; | |
| 157 } | |
| 158 return INVALID_MESSAGE_ID; | |
| 159 } | |
| 160 | |
| 161 default: | |
| 162 return IDS_LIBADDRESSINPUT_I18N_INVALID_ENTRY; | |
| 163 } | |
| 164 } | |
| 165 | |
| 166 // Collects rulesets based on whether they have a parent in the given list. | |
| 167 class ParentedRulesetCollector { | |
| 168 public: | |
| 169 // Retains a reference to both of the parameters. Does not make a copy of | |
| 170 // |parent_rulesets|. Does not take ownership of |rulesets_with_parents|. The | |
| 171 // |rulesets_with_parents| parameter should not be NULL. | |
| 172 ParentedRulesetCollector(const Rulesets& parent_rulesets, | |
| 173 Rulesets* rulesets_with_parents) | |
| 174 : parent_rulesets_(parent_rulesets), | |
| 175 rulesets_with_parents_(rulesets_with_parents) { | |
| 176 assert(rulesets_with_parents_ != NULL); | |
| 177 } | |
| 178 | |
| 179 ~ParentedRulesetCollector() {} | |
| 180 | |
| 181 // Adds |ruleset_to_test| to the |rulesets_with_parents_| collection, if the | |
| 182 // given ruleset has a parent in |parent_rulesets_|. The |ruleset_to_test| | |
| 183 // parameter should not be NULL. | |
| 184 void operator()(const Ruleset* ruleset_to_test) { | |
| 185 assert(ruleset_to_test != NULL); | |
| 186 if (parent_rulesets_.find(ruleset_to_test->parent()) != | |
| 187 parent_rulesets_.end()) { | |
| 188 rulesets_with_parents_->insert(ruleset_to_test); | |
| 189 } | |
| 190 } | |
| 191 | |
| 192 private: | |
| 193 const Rulesets& parent_rulesets_; | |
| 194 Rulesets* rulesets_with_parents_; | |
| 195 }; | |
| 196 | |
| 197 // Validates AddressData structure. | |
| 198 class AddressValidatorImpl : public AddressValidator { | |
| 199 public: | |
| 200 // Takes ownership of |downloader| and |storage|. Does not take ownership of | |
| 201 // |load_rules_delegate|. | |
| 202 AddressValidatorImpl(const std::string& validation_data_url, | |
| 203 scoped_ptr<Downloader> downloader, | |
| 204 scoped_ptr<Storage> storage, | |
| 205 LoadRulesDelegate* load_rules_delegate) | |
| 206 : aggregator_(scoped_ptr<Retriever>(new Retriever( | |
| 207 validation_data_url, | |
| 208 downloader.Pass(), | |
| 209 storage.Pass()))), | |
| 210 load_rules_delegate_(load_rules_delegate), | |
| 211 loading_rules_(), | |
| 212 rules_() {} | |
| 213 | |
| 214 virtual ~AddressValidatorImpl() { | |
| 215 STLDeleteValues(&rules_); | |
| 216 } | |
| 217 | |
| 218 // AddressValidator implementation. | |
| 219 virtual void LoadRules(const std::string& country_code) { | |
| 220 if (rules_.find(country_code) == rules_.end() && | |
| 221 loading_rules_.find(country_code) == loading_rules_.end()) { | |
| 222 loading_rules_.insert(country_code); | |
| 223 aggregator_.AggregateRules( | |
| 224 country_code, | |
| 225 BuildScopedPtrCallback(this, &AddressValidatorImpl::OnRulesLoaded)); | |
| 226 } | |
| 227 } | |
| 228 | |
| 229 // AddressValidator implementation. | |
| 230 virtual Status ValidateAddress( | |
| 231 const AddressData& address, | |
| 232 const AddressProblemFilter& filter, | |
| 233 AddressProblems* problems) const { | |
| 234 std::map<std::string, Ruleset*>::const_iterator ruleset_it = | |
| 235 rules_.find(address.region_code); | |
| 236 | |
| 237 // We can still validate the required fields even if the full ruleset isn't | |
| 238 // ready. | |
| 239 if (ruleset_it == rules_.end()) { | |
| 240 if (problems != NULL) { | |
| 241 Rule rule; | |
| 242 rule.CopyFrom(Rule::GetDefault()); | |
| 243 if (rule.ParseSerializedRule( | |
| 244 RegionDataConstants::GetRegionData(address.region_code))) { | |
| 245 EnforceRequiredFields(rule, address, filter, problems); | |
| 246 } | |
| 247 } | |
| 248 | |
| 249 return loading_rules_.find(address.region_code) != loading_rules_.end() | |
| 250 ? RULES_NOT_READY | |
| 251 : RULES_UNAVAILABLE; | |
| 252 } | |
| 253 | |
| 254 if (problems == NULL) { | |
| 255 return SUCCESS; | |
| 256 } | |
| 257 | |
| 258 const Ruleset* ruleset = ruleset_it->second; | |
| 259 assert(ruleset != NULL); | |
| 260 const Rule& country_rule = | |
| 261 ruleset->GetLanguageCodeRule(address.language_code); | |
| 262 EnforceRequiredFields(country_rule, address, filter, problems); | |
| 263 | |
| 264 // Validate general postal code format. A country-level rule specifies the | |
| 265 // regular expression for the whole postal code. | |
| 266 if (!address.postal_code.empty() && | |
| 267 !country_rule.GetPostalCodeFormat().empty() && | |
| 268 FilterAllows(filter, | |
| 269 POSTAL_CODE, | |
| 270 AddressProblem::UNRECOGNIZED_FORMAT) && | |
| 271 !RE2::FullMatch( | |
| 272 address.postal_code, country_rule.GetPostalCodeFormat())) { | |
| 273 problems->push_back(AddressProblem( | |
| 274 POSTAL_CODE, | |
| 275 AddressProblem::UNRECOGNIZED_FORMAT, | |
| 276 GetInvalidFieldMessageId(country_rule, POSTAL_CODE))); | |
| 277 } | |
| 278 | |
| 279 while (ruleset != NULL) { | |
| 280 const Rule& rule = ruleset->GetLanguageCodeRule(address.language_code); | |
| 281 | |
| 282 // Validate the field values, e.g. state names in US. | |
| 283 AddressField sub_field_type = | |
| 284 static_cast<AddressField>(ruleset->field() + 1); | |
| 285 std::string sub_key; | |
| 286 const std::string& user_input = address.GetFieldValue(sub_field_type); | |
| 287 if (!user_input.empty() && | |
| 288 FilterAllows(filter, sub_field_type, AddressProblem::UNKNOWN_VALUE) && | |
| 289 !rule.CanonicalizeSubKey(user_input, false, &sub_key)) { | |
| 290 problems->push_back(AddressProblem( | |
| 291 sub_field_type, | |
| 292 AddressProblem::UNKNOWN_VALUE, | |
| 293 GetInvalidFieldMessageId(country_rule, sub_field_type))); | |
| 294 } | |
| 295 | |
| 296 // Validate sub-region specific postal code format. A sub-region specifies | |
| 297 // the regular expression for a prefix of the postal code. | |
| 298 if (ruleset->field() > COUNTRY && | |
| 299 !address.postal_code.empty() && | |
| 300 !rule.GetPostalCodeFormat().empty() && | |
| 301 FilterAllows(filter, | |
| 302 POSTAL_CODE, | |
| 303 AddressProblem::MISMATCHING_VALUE) && | |
| 304 !ValueMatchesPrefixRegex( | |
| 305 address.postal_code, rule.GetPostalCodeFormat())) { | |
| 306 problems->push_back(AddressProblem( | |
| 307 POSTAL_CODE, | |
| 308 AddressProblem::MISMATCHING_VALUE, | |
| 309 GetInvalidFieldMessageId(country_rule, POSTAL_CODE))); | |
| 310 } | |
| 311 | |
| 312 ruleset = ruleset->GetSubRegionRuleset(sub_key); | |
| 313 } | |
| 314 | |
| 315 return SUCCESS; | |
| 316 } | |
| 317 | |
| 318 // AddressValidator implementation. | |
| 319 virtual Status GetSuggestions(const AddressData& user_input, | |
| 320 AddressField focused_field, | |
| 321 size_t suggestions_limit, | |
| 322 std::vector<AddressData>* suggestions) const { | |
| 323 std::map<std::string, Ruleset*>::const_iterator ruleset_it = | |
| 324 rules_.find(user_input.region_code); | |
| 325 | |
| 326 if (ruleset_it == rules_.end()) { | |
| 327 return | |
| 328 loading_rules_.find(user_input.region_code) != loading_rules_.end() | |
| 329 ? RULES_NOT_READY | |
| 330 : RULES_UNAVAILABLE; | |
| 331 } | |
| 332 | |
| 333 if (suggestions == NULL) { | |
| 334 return SUCCESS; | |
| 335 } | |
| 336 suggestions->clear(); | |
| 337 | |
| 338 assert(ruleset_it->second != NULL); | |
| 339 | |
| 340 // Do not suggest anything if the user is typing in the field for which | |
| 341 // there's no validation data. | |
| 342 if (focused_field != POSTAL_CODE && | |
| 343 (focused_field < ADMIN_AREA || focused_field > DEPENDENT_LOCALITY)) { | |
| 344 return SUCCESS; | |
| 345 } | |
| 346 | |
| 347 // Do not suggest anything if the user input is empty. | |
| 348 if (user_input.GetFieldValue(focused_field).empty()) { | |
| 349 return SUCCESS; | |
| 350 } | |
| 351 | |
| 352 const Ruleset& country_ruleset = *ruleset_it->second; | |
| 353 const Rule& country_rule = | |
| 354 country_ruleset.GetLanguageCodeRule(user_input.language_code); | |
| 355 | |
| 356 // Do not suggest anything if the user is typing the postal code that is not | |
| 357 // valid for the country. | |
| 358 if (!user_input.postal_code.empty() && | |
| 359 focused_field == POSTAL_CODE && | |
| 360 !country_rule.GetPostalCodeFormat().empty() && | |
| 361 !ValueMatchesPrefixRegex( | |
| 362 user_input.postal_code, country_rule.GetPostalCodeFormat())) { | |
| 363 return SUCCESS; | |
| 364 } | |
| 365 | |
| 366 // Initialize the prefix search index lazily. | |
| 367 if (!ruleset_it->second->prefix_search_index_ready()) { | |
| 368 ruleset_it->second->BuildPrefixSearchIndex(); | |
| 369 } | |
| 370 | |
| 371 if (focused_field != POSTAL_CODE && | |
| 372 focused_field > country_ruleset.deepest_ruleset_level()) { | |
| 373 return SUCCESS; | |
| 374 } | |
| 375 | |
| 376 // Determine the most specific address field that can be suggested. | |
| 377 AddressField suggestion_field = focused_field != POSTAL_CODE | |
| 378 ? focused_field : DEPENDENT_LOCALITY; | |
| 379 if (suggestion_field > country_ruleset.deepest_ruleset_level()) { | |
| 380 suggestion_field = country_ruleset.deepest_ruleset_level(); | |
| 381 } | |
| 382 if (focused_field != POSTAL_CODE) { | |
| 383 while (user_input.GetFieldValue(suggestion_field).empty() && | |
| 384 suggestion_field > ADMIN_AREA) { | |
| 385 suggestion_field = static_cast<AddressField>(suggestion_field - 1); | |
| 386 } | |
| 387 } | |
| 388 | |
| 389 // Find all rulesets that match user input. | |
| 390 AddressFieldRulesets rulesets; | |
| 391 for (int i = ADMIN_AREA; i <= suggestion_field; ++i) { | |
| 392 for (int j = Rule::KEY; j <= Rule::LATIN_NAME; ++j) { | |
| 393 AddressField address_field = static_cast<AddressField>(i); | |
| 394 Rule::IdentityField rule_field = static_cast<Rule::IdentityField>(j); | |
| 395 | |
| 396 // Find all rulesets at |address_field| level whose |rule_field| starts | |
| 397 // with user input value. | |
| 398 country_ruleset.FindRulesetsByPrefix( | |
| 399 user_input.language_code, address_field, rule_field, | |
| 400 user_input.GetFieldValue(address_field), | |
| 401 &rulesets[address_field][rule_field]); | |
| 402 | |
| 403 // Filter out the rulesets whose parents do not match the user input. | |
| 404 if (address_field > ADMIN_AREA) { | |
| 405 AddressField parent_field = | |
| 406 static_cast<AddressField>(address_field - 1); | |
| 407 Rulesets rulesets_with_parents; | |
| 408 std::for_each( | |
| 409 rulesets[address_field][rule_field].begin(), | |
| 410 rulesets[address_field][rule_field].end(), | |
| 411 ParentedRulesetCollector(rulesets[parent_field][rule_field], | |
| 412 &rulesets_with_parents)); | |
| 413 rulesets[address_field][rule_field].swap(rulesets_with_parents); | |
| 414 } | |
| 415 } | |
| 416 } | |
| 417 | |
| 418 // Determine the fields in the rules that match the user input. This | |
| 419 // operation converts a map of Rule::IdentityField value -> Ruleset into a | |
| 420 // map of Ruleset -> Rule::IdentityField bitset. | |
| 421 std::map<const Ruleset*, MatchingRuleFields> suggestion_rulesets; | |
| 422 for (IdentityFieldRulesets::const_iterator rule_field_it = | |
| 423 rulesets[suggestion_field].begin(); | |
| 424 rule_field_it != rulesets[suggestion_field].end(); | |
| 425 ++rule_field_it) { | |
| 426 const Rule::IdentityField rule_identity_field = rule_field_it->first; | |
| 427 for (Rulesets::const_iterator ruleset_it = rule_field_it->second.begin(); | |
| 428 ruleset_it != rule_field_it->second.end(); | |
| 429 ++ruleset_it) { | |
| 430 suggestion_rulesets[*ruleset_it].set(rule_identity_field); | |
| 431 } | |
| 432 } | |
| 433 | |
| 434 // Generate suggestions based on the rulesets. Use a Rule::IdentityField | |
| 435 // from the bitset to generate address field values. | |
| 436 for (std::map<const Ruleset*, MatchingRuleFields>::const_iterator | |
| 437 suggestion_it = suggestion_rulesets.begin(); | |
| 438 suggestion_it != suggestion_rulesets.end(); | |
| 439 ++suggestion_it) { | |
| 440 const Ruleset& ruleset = *suggestion_it->first; | |
| 441 const Rule& rule = ruleset.GetLanguageCodeRule(user_input.language_code); | |
| 442 const MatchingRuleFields& matching_rule_fields = suggestion_it->second; | |
| 443 | |
| 444 // Do not suggest this region if the postal code in user input does not | |
| 445 // match it. | |
| 446 if (!user_input.postal_code.empty() && | |
| 447 !rule.GetPostalCodeFormat().empty() && | |
| 448 !ValueMatchesPrefixRegex( | |
| 449 user_input.postal_code, rule.GetPostalCodeFormat())) { | |
| 450 continue; | |
| 451 } | |
| 452 | |
| 453 // Do not add more suggestions than |suggestions_limit|. | |
| 454 if (suggestions->size() >= suggestions_limit) { | |
| 455 suggestions->clear(); | |
| 456 return SUCCESS; | |
| 457 } | |
| 458 | |
| 459 // If the user's language is not one of the supported languages of a | |
| 460 // country that has latinized names for its regions, then prefer to | |
| 461 // suggest the latinized region names. If the user types in local script | |
| 462 // instead, then the local script names will be suggested. | |
| 463 Rule::IdentityField rule_field = Rule::KEY; | |
| 464 if (!country_rule.GetLanguage().empty() && | |
| 465 country_rule.GetLanguage() != user_input.language_code && | |
| 466 !rule.GetLatinName().empty() && | |
| 467 matching_rule_fields.test(Rule::LATIN_NAME)) { | |
| 468 rule_field = Rule::LATIN_NAME; | |
| 469 } else if (matching_rule_fields.test(Rule::KEY)) { | |
| 470 rule_field = Rule::KEY; | |
| 471 } else if (matching_rule_fields.test(Rule::NAME)) { | |
| 472 rule_field = Rule::NAME; | |
| 473 } else if (matching_rule_fields.test(Rule::LATIN_NAME)) { | |
| 474 rule_field = Rule::LATIN_NAME; | |
| 475 } else { | |
| 476 assert(false); | |
| 477 } | |
| 478 | |
| 479 AddressData suggestion; | |
| 480 suggestion.region_code = user_input.region_code; | |
| 481 suggestion.postal_code = user_input.postal_code; | |
| 482 | |
| 483 // Traverse the tree of rulesets from the most specific |ruleset| to the | |
| 484 // country-wide "root" of the tree. Use the region names found at each of | |
| 485 // the levels of the ruleset tree to build the |suggestion|. | |
| 486 for (const Ruleset* suggestion_ruleset = &ruleset; | |
| 487 suggestion_ruleset->parent() != NULL; | |
| 488 suggestion_ruleset = suggestion_ruleset->parent()) { | |
| 489 const Rule& suggestion_rule = | |
| 490 suggestion_ruleset->GetLanguageCodeRule(user_input.language_code); | |
| 491 suggestion.SetFieldValue(suggestion_ruleset->field(), | |
| 492 suggestion_rule.GetIdentityField(rule_field)); | |
| 493 } | |
| 494 | |
| 495 suggestions->push_back(suggestion); | |
| 496 } | |
| 497 | |
| 498 return SUCCESS; | |
| 499 } | |
| 500 | |
| 501 // AddressValidator implementation. | |
| 502 virtual bool CanonicalizeAdministrativeArea(AddressData* address_data) const { | |
| 503 std::map<std::string, Ruleset*>::const_iterator ruleset_it = | |
| 504 rules_.find(address_data->region_code); | |
| 505 if (ruleset_it == rules_.end()) { | |
| 506 return false; | |
| 507 } | |
| 508 const Rule& rule = | |
| 509 ruleset_it->second->GetLanguageCodeRule(address_data->language_code); | |
| 510 | |
| 511 return rule.CanonicalizeSubKey(address_data->administrative_area, | |
| 512 true, // Keep input latin. | |
| 513 &address_data->administrative_area); | |
| 514 } | |
| 515 | |
| 516 private: | |
| 517 // Called when CountryRulesAggregator::AggregateRules loads the |ruleset| for | |
| 518 // the |country_code|. | |
| 519 void OnRulesLoaded(bool success, | |
| 520 const std::string& country_code, | |
| 521 scoped_ptr<Ruleset> ruleset) { | |
| 522 assert(rules_.find(country_code) == rules_.end()); | |
| 523 loading_rules_.erase(country_code); | |
| 524 if (success) { | |
| 525 assert(ruleset != NULL); | |
| 526 assert(ruleset->field() == COUNTRY); | |
| 527 rules_[country_code] = ruleset.release(); | |
| 528 } | |
| 529 if (load_rules_delegate_ != NULL) { | |
| 530 load_rules_delegate_->OnAddressValidationRulesLoaded( | |
| 531 country_code, success); | |
| 532 } | |
| 533 } | |
| 534 | |
| 535 // Adds problems for just the required fields portion of |country_rule|. | |
| 536 void EnforceRequiredFields(const Rule& country_rule, | |
| 537 const AddressData& address, | |
| 538 const AddressProblemFilter& filter, | |
| 539 AddressProblems* problems) const { | |
| 540 assert(problems != NULL); | |
| 541 for (std::vector<AddressField>::const_iterator | |
| 542 field_it = country_rule.GetRequired().begin(); | |
| 543 field_it != country_rule.GetRequired().end(); | |
| 544 ++field_it) { | |
| 545 bool field_empty = *field_it != STREET_ADDRESS | |
| 546 ? address.GetFieldValue(*field_it).empty() | |
| 547 : IsEmptyStreetAddress(address.address_line); | |
| 548 if (field_empty && | |
| 549 FilterAllows( | |
| 550 filter, *field_it, AddressProblem::MISSING_REQUIRED_FIELD)) { | |
| 551 problems->push_back(AddressProblem( | |
| 552 *field_it, | |
| 553 AddressProblem::MISSING_REQUIRED_FIELD, | |
| 554 IDS_LIBADDRESSINPUT_I18N_MISSING_REQUIRED_FIELD)); | |
| 555 } | |
| 556 } | |
| 557 } | |
| 558 | |
| 559 // Loads the ruleset for a country code. | |
| 560 CountryRulesAggregator aggregator_; | |
| 561 | |
| 562 // An optional delegate to be invoked when a ruleset finishes loading. | |
| 563 LoadRulesDelegate* load_rules_delegate_; | |
| 564 | |
| 565 // A set of country codes for which a ruleset is being loaded. | |
| 566 std::set<std::string> loading_rules_; | |
| 567 | |
| 568 // A mapping of a country code to the owned ruleset for that country code. | |
| 569 std::map<std::string, Ruleset*> rules_; | |
| 570 | |
| 571 DISALLOW_COPY_AND_ASSIGN(AddressValidatorImpl); | |
| 572 }; | |
| 573 | |
| 574 } // namespace | |
| 575 | |
| 576 AddressValidator::~AddressValidator() {} | |
| 577 | |
| 578 // static | |
| 579 scoped_ptr<AddressValidator> AddressValidator::Build( | |
| 580 scoped_ptr<Downloader> downloader, | |
| 581 scoped_ptr<Storage> storage, | |
| 582 LoadRulesDelegate* load_rules_delegate) { | |
| 583 return scoped_ptr<AddressValidator>(new AddressValidatorImpl( | |
| 584 VALIDATION_DATA_URL, downloader.Pass(), storage.Pass(), | |
| 585 load_rules_delegate)); | |
| 586 } | |
| 587 | |
| 588 scoped_ptr<AddressValidator> BuildAddressValidatorForTesting( | |
| 589 const std::string& validation_data_url, | |
| 590 scoped_ptr<Downloader> downloader, | |
| 591 scoped_ptr<Storage> storage, | |
| 592 LoadRulesDelegate* load_rules_delegate) { | |
| 593 return scoped_ptr<AddressValidator>(new AddressValidatorImpl( | |
| 594 validation_data_url, downloader.Pass(), storage.Pass(), | |
| 595 load_rules_delegate)); | |
| 596 } | |
| 597 | |
| 598 } // namespace addressinput | |
| 599 } // namespace i18n | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 389863002:
Remove Chrome's own version of libaddressinput in favor of the upstream. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src