Reland "Use upstream libaddressinput in Chrome."

third_party/libaddressinput/chromium/chrome_address_validator.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "third_party/libaddressinput/chromium/chrome_address_validator.h"
+
+#include <cstddef>
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/logging.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "third_party/libaddressinput/chromium/input_suggester.h"
+#include "third_party/libaddressinput/chromium/libaddressinput_util.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_data.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_field.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_normalizer.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_validator.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/callback.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/downloader.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/preload_supplier.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/storage.h"
+
+namespace autofill {
+
+using ::i18n::addressinput::AddressData;
+using ::i18n::addressinput::AddressField;
+using ::i18n::addressinput::AddressNormalizer;
+using ::i18n::addressinput::BuildCallback;
+using ::i18n::addressinput::Downloader;
+using ::i18n::addressinput::FieldProblemMap;
+using ::i18n::addressinput::PreloadSupplier;
+using ::i18n::addressinput::Storage;
+
+using ::i18n::addressinput::ADMIN_AREA;
+using ::i18n::addressinput::DEPENDENT_LOCALITY;
+using ::i18n::addressinput::POSTAL_CODE;
+
+AddressValidator::AddressValidator(const std::string& validation_data_url,
+                                   scoped_ptr<Downloader> downloader,
+                                   scoped_ptr<Storage> storage,
+                                   LoadRulesListener* load_rules_listener)
+    : supplier_(new PreloadSupplier(validation_data_url,
+                                    downloader.release(),
+                                    storage.release())),
+      input_suggester_(new InputSuggester(supplier_.get())),
+      normalizer_(new AddressNormalizer(supplier_.get())),
+      validator_(new ::i18n::addressinput::AddressValidator(supplier_.get())),
+      validated_(BuildCallback(this, &AddressValidator::Validated)),
+      rules_loaded_(BuildCallback(this, &AddressValidator::RulesLoaded)),
+      load_rules_listener_(load_rules_listener) {}
+
+AddressValidator::~AddressValidator() {}
+
+void AddressValidator::LoadRules(const std::string& region_code) {
+  DCHECK(supplier_);
+  supplier_->LoadRules(region_code, *rules_loaded_);
+}
+
+AddressValidator::Status AddressValidator::ValidateAddress(
+    const AddressData& address,
+    const FieldProblemMap* filter,
+    FieldProblemMap* problems) const {
+  DCHECK(supplier_);
+  DCHECK(validator_);
+
+  if (supplier_->IsPending(address.region_code)) {
+    if (problems)
+      addressinput::ValidateRequiredFields(address, filter, problems);
+    return RULES_NOT_READY;
+  }
+
+  if (!supplier_->IsLoaded(address.region_code)) {
+    if (problems)
+      addressinput::ValidateRequiredFields(address, filter, problems);
+    return RULES_UNAVAILABLE;
+  }
+
+  if (!problems)
+    return SUCCESS;
+
+  validator_->Validate(address,
+                       true,  // Allow postal office boxes.
+                       true,  // Require recipient name.
+                       filter,
+                       problems,
+                       *validated_);
+
+  return SUCCESS;
+}
+
+AddressValidator::Status AddressValidator::GetSuggestions(
+    const AddressData& user_input,
+    AddressField focused_field,
+    size_t suggestion_limit,
+    std::vector<AddressData>* suggestions) const {
+  DCHECK(supplier_);
+  DCHECK(input_suggester_);
+
+  if (supplier_->IsPending(user_input.region_code))
+    return RULES_NOT_READY;
+
+  if (!supplier_->IsLoaded(user_input.region_code))
+    return RULES_UNAVAILABLE;
+
+  if (!suggestions)
+    return SUCCESS;
+
+  suggestions->clear();
+
+  if (focused_field == POSTAL_CODE ||
+      (focused_field >= ADMIN_AREA && focused_field <= DEPENDENT_LOCALITY)) {
+    input_suggester_->GetSuggestions(
+        user_input, focused_field, suggestion_limit, suggestions);
+  }
+
+  return SUCCESS;
+}
+
+bool AddressValidator::CanonicalizeAdministrativeArea(
+    AddressData* address) const {
+  DCHECK(address);
+  DCHECK(supplier_);
+  DCHECK(normalizer_);
+
+  if (!supplier_->IsLoaded(address->region_code))
+    return false;
+
+  // TODO: It would probably be beneficial to use the full canonicalization.
+  AddressData tmp(*address);
+  normalizer_->Normalize(&tmp);
+  address->administrative_area = tmp.administrative_area;
+
+  return true;
+}
+
+AddressValidator::AddressValidator() : load_rules_listener_(NULL) {}
+
+void AddressValidator::Validated(bool success,
+                                 const AddressData&,
+                                 const FieldProblemMap&) {
+  DCHECK(success);
+}
+
+void AddressValidator::RulesLoaded(bool success,
+                                   const std::string& country_code,
+                                   int) {
+  if (load_rules_listener_)
+    load_rules_listener_->OnAddressValidationRulesLoaded(country_code, success);
+}
+
+}  // namespace autofill