| // Copyright (C) 2014 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. |
| |
| #ifndef I18N_ADDRESSINPUT_ADDRESS_INPUT_HELPER_H_ |
| #define I18N_ADDRESSINPUT_ADDRESS_INPUT_HELPER_H_ |
| |
| #include <vector> |
| |
| namespace i18n { |
| namespace addressinput { |
| |
| class LookupKey; |
| class PreloadSupplier; |
| struct AddressData; |
| struct Node; |
| |
| class AddressInputHelper { |
| public: |
| AddressInputHelper(const AddressInputHelper&) = delete; |
| AddressInputHelper& operator=(const AddressInputHelper&) = delete; |
| |
| // Creates an input helper that uses the supplier provided to get metadata to |
| // help a user complete or fix an address. Doesn't take ownership of |
| // |supplier|. Since latency is important for these kinds of tasks, we expect |
| // the supplier to have the data already. |
| AddressInputHelper(PreloadSupplier* supplier); |
| ~AddressInputHelper(); |
| |
| // Fill in missing components of an address as best as we can based on |
| // existing data. For example, for some countries only one postal code is |
| // valid; this would enter that one. For others, the postal code indicates |
| // what state should be selected. Existing data will never be overwritten. |
| // |
| // Note that the preload supplier must have had the rules for the country |
| // represented by this address loaded before this method is called - otherwise |
| // an assertion failure will result. |
| // |
| // The address should have the best language tag as returned from |
| // BuildComponents(). |
| void FillAddress(AddressData* address) const; |
| |
| private: |
| void CheckChildrenForPostCodeMatches( |
| const AddressData& address, const LookupKey& lookup_key, |
| const Node* parent, std::vector<Node>* hierarchy) const; |
| |
| // We don't own the supplier_. |
| PreloadSupplier* const supplier_; |
| }; |
| |
| } // namespace addressinput |
| } // namespace i18n |
| |
| #endif // I18N_ADDRESSINPUT_ADDRESS_INPUT_HELPER_H_ |