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