1// Copyright (C) 2014 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_metadata.h>
16
17#include <libaddressinput/address_field.h>
18
19#include <algorithm>
20#include <string>
21
22#include "format_element.h"
23#include "region_data_constants.h"
24#include "rule.h"
25
26namespace i18n {
27namespace addressinput {
28
29bool IsFieldRequired(AddressField field, const std::string& region_code) {
30  if (field == COUNTRY) {
31    return true;
32  }
33
34  Rule rule;
35  rule.CopyFrom(Rule::GetDefault());
36  if (!rule.ParseSerializedRule(
37          RegionDataConstants::GetRegionData(region_code))) {
38    return false;
39  }
40
41  return std::find(rule.GetRequired().begin(),
42                   rule.GetRequired().end(),
43                   field) != rule.GetRequired().end();
44}
45
46bool IsFieldUsed(AddressField field, const std::string& region_code) {
47  if (field == COUNTRY) {
48    return true;
49  }
50
51  Rule rule;
52  rule.CopyFrom(Rule::GetDefault());
53  if (!rule.ParseSerializedRule(
54          RegionDataConstants::GetRegionData(region_code))) {
55    return false;
56  }
57
58  return std::find(rule.GetFormat().begin(),
59                   rule.GetFormat().end(),
60                   FormatElement(field)) != rule.GetFormat().end();
61}
62
63}  // namespace addressinput
64}  // namespace i18n
65