[rac] Download all rules for a country code in libaddressinput.

third_party/libaddressinput/chromium/cpp/src/country_rules_retriever.h

+// 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.
+
+#ifndef I18N_ADDRESSINPUT_COUNTRY_RULES_RETRIEVER_H_
+#define I18N_ADDRESSINPUT_COUNTRY_RULES_RETRIEVER_H_
+
+#include <libaddressinput/callback.h>
+#include <libaddressinput/util/basictypes.h>
+#include <libaddressinput/util/scoped_ptr.h>
+
+#include <string>
+
+namespace i18n {
+namespace addressinput {
+
+class LookupKey;
+class RuleRetriever;
+
+class CountryRulesRetriever {
+ public:
+  typedef i18n::addressinput::Callback<std::string, LookupKey> Callback;
+
+  // Takes ownership of |rule_retriever|.
+  explicit CountryRulesRetriever(const RuleRetriever* rule_retriever);
+  ~CountryRulesRetriever();
+
+  // Recursively retrieves all of the rules for |country_code| and its
+  // administrative areas, localities, and dependent localities. Places the
+  // rules in the tree rooted at |lookup_ready|. Invokes the |rules_ready|
+  // callback when finished.
+  void RetrieveRules(const std::string& country_code,
+                     const Callback& rules_ready,
+                     LookupKey* lookup_key) const;
+
+ private:
+  scoped_ptr<const RuleRetriever> rule_retriever_;
+
+  DISALLOW_COPY_AND_ASSIGN(CountryRulesRetriever);
+};
+
+}  // namespace addressinput
+}  // namespace i18n
+
+#endif  // I18N_ADDRESSINPUT_COUNTRY_RULES_RETRIEVER_H_