Reland of "Use address_data.h from upstream libaddressinput".

third_party/libaddressinput/chromium/addressinput_util.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/addressinput_util.h"
+
+#include <algorithm>
+
+#include "base/logging.h"
+#include "base/macros.h"
+#include "third_party/libaddressinput/chromium/cpp/include/libaddressinput/address_data.h"
+#include "third_party/libaddressinput/chromium/cpp/include/libaddressinput/address_metadata.h"
+
+namespace autofill {
+namespace addressinput {
+
+namespace {
+
+using ::i18n::addressinput::AddressData;
+using ::i18n::addressinput::AddressField;
+using ::i18n::addressinput::AddressProblem;
+using ::i18n::addressinput::IsFieldRequired;
+
+// Returns true if the |problem| should not be reported for the |field| because
+// the |filter| excludes it.
+bool FilterExcludes(
+    const std::multimap<AddressField, AddressProblem::Type>* filter,
+    AddressField field,
+    AddressProblem::Type problem) {
+  return filter != NULL && !filter->empty() &&
+         std::find(
+             filter->begin(),
+             filter->end(),
+             std::multimap<AddressField, AddressProblem::Type>::value_type(
+                 field, problem)) == filter->end();
+}
+
+}  // namespace
+
+bool HasAllRequiredFields(const AddressData& address_to_check) {
+  std::multimap<AddressField, AddressProblem::Type> problems;
+  ValidateRequiredFields(address_to_check, NULL, &problems);
+  return problems.empty();
+}
+
+void ValidateRequiredFields(
+    const AddressData& address_to_check,
+    const std::multimap<AddressField, AddressProblem::Type>* filter,
+    std::multimap<AddressField, AddressProblem::Type>* problems) {
+  DCHECK(problems);
+
+  static const AddressField kFields[] = {
+      ::i18n::addressinput::COUNTRY,
+      ::i18n::addressinput::ADMIN_AREA,
+      ::i18n::addressinput::LOCALITY,
+      ::i18n::addressinput::DEPENDENT_LOCALITY,
+      ::i18n::addressinput::SORTING_CODE,
+      ::i18n::addressinput::POSTAL_CODE,
+      ::i18n::addressinput::STREET_ADDRESS,
+      ::i18n::addressinput::RECIPIENT};
+
+  for (size_t i = 0; i < arraysize(kFields); ++i) {
+    AddressField field = kFields[i];
+    if (address_to_check.IsFieldEmpty(field) &&
+        IsFieldRequired(field, address_to_check.region_code) &&
+        !FilterExcludes(
+            filter, field, AddressProblem::MISSING_REQUIRED_FIELD)) {
+      problems->insert(
+          std::make_pair(field, AddressProblem::MISSING_REQUIRED_FIELD));
+    }
+  }
+}
+
+}  // namespace addressinput
+}  // namespace autofill