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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/localization.h>
#include <libaddressinput/address_data.h>
#include <libaddressinput/address_field.h>
#include <libaddressinput/address_problem.h>
#include <cassert>
#include <cstddef>
#include <string>
#include <vector>
#include "messages.h"
#include "region_data_constants.h"
#include "rule.h"
#include "util/string_split.h"
#include "util/string_util.h"
namespace {
void PushBackUrl(const std::string& url, std::vector<std::string>* parameters) {
assert(parameters != NULL);
// TODO: HTML-escape the "url".
parameters->push_back("<a href=\"" + url + "\">");
parameters->push_back("</a>");
}
} // namespace
namespace i18n {
namespace addressinput {
namespace {
#include "en_messages.cc"
std::string GetEnglishString(int message_id) {
const char* str = GetString(message_id);
return str != NULL ? std::string(str) : std::string();
}
} // namespace
Localization::Localization() : get_string_(&GetEnglishString) {}
Localization::~Localization() {}
std::string Localization::GetString(int message_id) const {
return get_string_(message_id);
}
std::string Localization::GetErrorMessage(const AddressData& address,
AddressField field,
AddressProblem problem,
bool enable_examples,
bool enable_links) const {
if (field == POSTAL_CODE) {
Rule rule;
rule.CopyFrom(Rule::GetDefault());
std::string postal_code_example, post_service_url;
if (rule.ParseSerializedRule(
RegionDataConstants::GetRegionData(address.region_code))) {
if (enable_examples) {
std::vector<std::string> examples_list;
SplitString(rule.GetPostalCodeExample(), ',', &examples_list);
if (!examples_list.empty()) {
postal_code_example = examples_list.front();
}
}
if (enable_links) {
post_service_url = rule.GetPostServiceUrl();
}
} else {
assert(false);
}
// If we can't parse the serialized rule |uses_postal_code_as_label| will be
// determined from the default rule.
bool uses_postal_code_as_label =
rule.GetPostalCodeNameMessageId() ==
IDS_LIBADDRESSINPUT_POSTAL_CODE_LABEL;
return GetErrorMessageForPostalCode(address, problem,
uses_postal_code_as_label,
postal_code_example, post_service_url);
} else {
if (problem == MISSING_REQUIRED_FIELD) {
return get_string_(IDS_LIBADDRESSINPUT_MISSING_REQUIRED_FIELD);
} else if (problem == UNKNOWN_VALUE) {
std::vector<std::string> parameters;
if (AddressData::IsRepeatedFieldValue(field)) {
std::vector<std::string> values = address.GetRepeatedFieldValue(field);
assert(!values.empty());
parameters.push_back(values.front());
} else {
parameters.push_back(address.GetFieldValue(field));
}
return DoReplaceStringPlaceholders(
get_string_(IDS_LIBADDRESSINPUT_UNKNOWN_VALUE), parameters);
} else if (problem == USES_P_O_BOX) {
return get_string_(IDS_LIBADDRESSINPUT_PO_BOX_FORBIDDEN_VALUE);
} else {
// Keep the default under "else" so the compiler helps us check that all
// handled cases return and don't fall through.
assert(false);
return "";
}
}
}
void Localization::SetGetter(std::string (*getter)(int)) {
assert(getter != NULL);
get_string_ = getter;
}
std::string Localization::GetErrorMessageForPostalCode(
const AddressData& address,
AddressProblem problem,
bool uses_postal_code_as_label,
std::string postal_code_example,
std::string post_service_url) const {
int message_id;
std::vector<std::string> parameters;
if (problem == MISSING_REQUIRED_FIELD) {
if (!postal_code_example.empty() && !post_service_url.empty()) {
message_id = uses_postal_code_as_label ?
IDS_LIBADDRESSINPUT_MISSING_REQUIRED_POSTAL_CODE_EXAMPLE_AND_URL :
IDS_LIBADDRESSINPUT_MISSING_REQUIRED_ZIP_CODE_EXAMPLE_AND_URL;
parameters.push_back(postal_code_example);
PushBackUrl(post_service_url, ¶meters);
} else if (!postal_code_example.empty()) {
message_id = uses_postal_code_as_label ?
IDS_LIBADDRESSINPUT_MISSING_REQUIRED_POSTAL_CODE_EXAMPLE :
IDS_LIBADDRESSINPUT_MISSING_REQUIRED_ZIP_CODE_EXAMPLE ;
parameters.push_back(postal_code_example);
} else {
message_id = IDS_LIBADDRESSINPUT_MISSING_REQUIRED_FIELD;
}
return DoReplaceStringPlaceholders(get_string_(message_id), parameters);
} else if (problem == INVALID_FORMAT) {
if (!postal_code_example.empty() && !post_service_url.empty()) {
message_id = uses_postal_code_as_label ?
IDS_LIBADDRESSINPUT_UNRECOGNIZED_FORMAT_POSTAL_CODE_EXAMPLE_AND_URL :
IDS_LIBADDRESSINPUT_UNRECOGNIZED_FORMAT_ZIP_CODE_EXAMPLE_AND_URL;
parameters.push_back(postal_code_example);
PushBackUrl(post_service_url, ¶meters);
} else if (!postal_code_example.empty()) {
message_id = uses_postal_code_as_label ?
IDS_LIBADDRESSINPUT_UNRECOGNIZED_FORMAT_POSTAL_CODE_EXAMPLE :
IDS_LIBADDRESSINPUT_UNRECOGNIZED_FORMAT_ZIP_CODE_EXAMPLE;
parameters.push_back(postal_code_example);
} else {
message_id = uses_postal_code_as_label ?
IDS_LIBADDRESSINPUT_UNRECOGNIZED_FORMAT_POSTAL_CODE :
IDS_LIBADDRESSINPUT_UNRECOGNIZED_FORMAT_ZIP;
}
return DoReplaceStringPlaceholders(get_string_(message_id), parameters);
} else if (problem == MISMATCHING_VALUE) {
if (!post_service_url.empty()) {
message_id = uses_postal_code_as_label ?
IDS_LIBADDRESSINPUT_MISMATCHING_VALUE_POSTAL_CODE_URL :
IDS_LIBADDRESSINPUT_MISMATCHING_VALUE_ZIP_URL;
PushBackUrl(post_service_url, ¶meters);
} else {
message_id = uses_postal_code_as_label ?
IDS_LIBADDRESSINPUT_MISMATCHING_VALUE_POSTAL_CODE :
IDS_LIBADDRESSINPUT_MISMATCHING_VALUE_ZIP;
}
return DoReplaceStringPlaceholders(get_string_(message_id), parameters);
} else {
// Keep the default under "else" so the compiler helps us check that all
// handled cases return and don't fall through.
assert(false);
return "";
}
}
} // namespace addressinput
} // namespace i18n
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