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// Copyright (C) 2013 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <libaddressinput/address_ui.h>
#include <libaddressinput/address_field.h>
#include <libaddressinput/address_ui_component.h>
#include <libaddressinput/localization.h>
#include <cassert>
#include <cstddef>
#include <set>
#include <string>
#include <vector>
#include "address_field_util.h"
#include "format_element.h"
#include "grit.h"
#include "language.h"
#include "messages.h"
#include "region_data_constants.h"
#include "rule.h"
namespace i18n {
namespace addressinput {
namespace {
std::string GetLabelForField(const Localization& localization,
AddressField field,
int admin_area_name_message_id,
int postal_code_name_message_id) {
int messageId;
switch (field) {
case SORTING_CODE:
// This needs no translation as it's used only in one locale.
return "CEDEX";
case COUNTRY:
messageId = IDS_LIBADDRESSINPUT_COUNTRY_OR_REGION_LABEL;
break;
case ADMIN_AREA:
messageId = admin_area_name_message_id;
break;
case LOCALITY:
messageId = IDS_LIBADDRESSINPUT_LOCALITY_LABEL;
break;
case DEPENDENT_LOCALITY:
messageId = IDS_LIBADDRESSINPUT_DISTRICT;
break;
case POSTAL_CODE:
messageId = postal_code_name_message_id;
break;
case STREET_ADDRESS:
messageId = IDS_LIBADDRESSINPUT_ADDRESS_LINE_1_LABEL;
break;
case RECIPIENT:
messageId = IDS_LIBADDRESSINPUT_RECIPIENT_LABEL;
break;
default:
messageId = INVALID_MESSAGE_ID;
}
return localization.GetString(messageId);
}
} // namespace
const std::vector<std::string>& GetRegionCodes() {
return RegionDataConstants::GetRegionCodes();
}
std::vector<AddressUiComponent> BuildComponents(
const std::string& region_code,
const Localization& localization,
const std::string& ui_language_tag,
std::string* best_address_language_tag) {
assert(best_address_language_tag != NULL);
std::vector<AddressUiComponent> result;
Rule rule;
rule.CopyFrom(Rule::GetDefault());
if (!rule.ParseSerializedRule(
RegionDataConstants::GetRegionData(region_code))) {
return result;
}
const Language& best_address_language =
ChooseBestAddressLanguage(rule, Language(ui_language_tag));
*best_address_language_tag = best_address_language.tag;
const std::vector<FormatElement>& format =
!rule.GetLatinFormat().empty() &&
best_address_language.has_latin_script
? rule.GetLatinFormat() : rule.GetFormat();
// For avoiding showing an input field twice, when the field is displayed
// twice on an envelope.
std::set<AddressField> fields;
bool preceded_by_newline = true;
bool followed_by_newline = true;
for (std::vector<FormatElement>::const_iterator format_it = format.begin();
format_it != format.end(); ++format_it) {
if (format_it->IsNewline()) {
preceded_by_newline = true;
continue;
} else if (!format_it->IsField() ||
!fields.insert(format_it->GetField()).second) {
continue;
}
AddressUiComponent component;
std::vector<FormatElement>::const_iterator next_format_it = format_it + 1;
followed_by_newline =
next_format_it == format.end() || next_format_it->IsNewline();
component.length_hint = preceded_by_newline && followed_by_newline
? AddressUiComponent::HINT_LONG
: AddressUiComponent::HINT_SHORT;
preceded_by_newline = false;
component.field = format_it->GetField();
component.name = GetLabelForField(localization, format_it->GetField(),
rule.GetAdminAreaNameMessageId(), rule.GetPostalCodeNameMessageId());
result.push_back(component);
}
return result;
}
} // namespace addressinput
} // namespace i18n
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