src/third_party/libaddressinput/src/cpp/src/address_data.cc

   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_data.h>
  16
  17 #include <libaddressinput/address_field.h>
  18 #include <libaddressinput/util/basictypes.h>
  19
  20 #include <algorithm>
  21 #include <cassert>
  22 #include <cstddef>
  23 #include <functional>
  24 #include <ostream>
  25 #include <string>
  26 #include <vector>
  27
  28 #include <re2/re2.h>
  29
  30 namespace i18n {
  31 namespace addressinput {
  32
  33 namespace {
  34
  35 // Mapping from AddressField value to pointer to AddressData member.
  36 std::string AddressData::*kStringField[] = {
  37   &AddressData::region_code,
  38   &AddressData::administrative_area,
  39   &AddressData::locality,
  40   &AddressData::dependent_locality,
  41   &AddressData::sorting_code,
  42   &AddressData::postal_code,
  43   NULL,
  44   &AddressData::organization,
  45   &AddressData::recipient
  46 };
  47
  48 // Mapping from AddressField value to pointer to AddressData member.
  49 const std::vector<std::string> AddressData::*kVectorStringField[] = {
  50   NULL,
  51   NULL,
  52   NULL,
  53   NULL,
  54   NULL,
  55   NULL,
  56   &AddressData::address_line,
  57   NULL,
  58   NULL
  59 };
  60
  61 COMPILE_ASSERT(arraysize(kStringField) == arraysize(kVectorStringField),
  62                field_mapping_array_size_mismatch);
  63
  64 // A string is considered to be "empty" not only if it actually is empty, but
  65 // also if it contains nothing but whitespace.
  66 bool IsStringEmpty(const std::string& str) {
  67   static const RE2 kMatcher("\\S");
  68   return str.empty() || !RE2::PartialMatch(str, kMatcher);
  69 }
  70
  71 }  // namespace
  72
  73 bool AddressData::IsFieldEmpty(AddressField field) const {
  74   assert(field >= 0);
  75   assert(static_cast<size_t>(field) < arraysize(kStringField));
  76   if (kStringField[field] != NULL) {
  77     const std::string& value = GetFieldValue(field);
  78     return IsStringEmpty(value);
  79   } else {
  80     const std::vector<std::string>& value = GetRepeatedFieldValue(field);
  81     return std::find_if(value.begin(),
  82                         value.end(),
  83                         std::not1(std::ptr_fun(&IsStringEmpty))) == value.end();
  84   }
  85 }
  86
  87 const std::string& AddressData::GetFieldValue(
  88     AddressField field) const {
  89   assert(field >= 0);
  90   assert(static_cast<size_t>(field) < arraysize(kStringField));
  91   assert(kStringField[field] != NULL);
  92   return this->*kStringField[field];
  93 }
  94
  95 void AddressData::SetFieldValue(AddressField field, const std::string& value) {
  96   assert(field >= 0);
  97   assert(static_cast<size_t>(field) < arraysize(kStringField));
  98   assert(kStringField[field] != NULL);
  99   (this->*kStringField[field]).assign(value);
 100 }
 101
 102 const std::vector<std::string>& AddressData::GetRepeatedFieldValue(
 103     AddressField field) const {
 104   assert(IsRepeatedFieldValue(field));
 105   return this->*kVectorStringField[field];
 106 }
 107
 108 bool AddressData::operator==(const AddressData& other) const {
 109   return region_code == other.region_code &&
 110          address_line == other.address_line &&
 111          administrative_area == other.administrative_area &&
 112          locality == other.locality &&
 113          dependent_locality == other.dependent_locality &&
 114          postal_code == other.postal_code &&
 115          sorting_code == other.sorting_code &&
 116          language_code == other.language_code &&
 117          organization == other.organization &&
 118          recipient == other.recipient;
 119 }
 120
 121 // static
 122 bool AddressData::IsRepeatedFieldValue(AddressField field) {
 123   assert(field >= 0);
 124   assert(static_cast<size_t>(field) < arraysize(kVectorStringField));
 125   return kVectorStringField[field] != NULL;
 126 }
 127
 128 }  // namespace addressinput
 129 }  // namespace i18n
 130
 131 std::ostream& operator<<(std::ostream& o,
 132                          const i18n::addressinput::AddressData& address) {
 133   o << "region_code: \"" << address.region_code << "\"\n"
 134     "administrative_area: \"" << address.administrative_area << "\"\n"
 135     "locality: \"" << address.locality << "\"\n"
 136     "dependent_locality: \"" << address.dependent_locality << "\"\n"
 137     "postal_code: \"" << address.postal_code << "\"\n"
 138     "sorting_code: \"" << address.sorting_code << "\"\n";
 139
 140   // TODO: Update the field order in the .h file to match the order they are
 141   // printed out here, for consistency.
 142   for (std::vector<std::string>::const_iterator it =
 143            address.address_line.begin();
 144        it != address.address_line.end(); ++it) {
 145     o << "address_line: \"" << *it << "\"\n";
 146   }
 147
 148   o << "language_code: \"" << address.language_code << "\"\n"
 149     "organization: \"" << address.organization << "\"\n"
 150     "recipient: \"" << address.recipient << "\"\n";
 151
 152   return o;
 153 }