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

third_party/libaddressinput/chromium/cpp/src/rule_retriever.cc

 // 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.
 
 #include "rule_retriever.h"
 
+#include <libaddressinput/address_field.h>
 #include <libaddressinput/callback.h>
 #include <libaddressinput/util/basictypes.h>
 #include <libaddressinput/util/scoped_ptr.h>
 
 #include <cassert>
 #include <cstddef>
 #include <string>
 
+#include "lookup_key.h"
 #include "retriever.h"
 #include "rule.h"
 
 namespace i18n {
 namespace addressinput {
 
 namespace {
 
 class Helper {
  public:
-  Helper(const std::string& key,
+  Helper(const LookupKey& key,
          const RuleRetriever::Callback& rule_ready,
          const Retriever& data_retriever)
-      : rule_ready_(rule_ready),
+      : key_(key),
+        rule_ready_(rule_ready),
         data_retrieved_(BuildCallback(this, &Helper::OnDataRetrieved)) {
-    data_retriever.Retrieve(key, *data_retrieved_);
+    data_retriever.Retrieve(key_.GetKeyValue(), *data_retrieved_);
   }
 
  private:
   ~Helper() {}
 
   void OnDataRetrieved(bool success,
                        const std::string& key,
                        const std::string& data) {
     Rule rule;
     if (!success) {
-      rule_ready_(false, key, rule);
+      rule_ready_(false, key_, rule);
     } else {
+      if (key_.GetLevel() == COUNTRY) {
+        rule.CopyFrom(Rule::GetDefault());
+      }
       success = rule.ParseSerializedRule(data);
-      rule_ready_(success, key, rule);
+      rule_ready_(success, key_, rule);
     }
     delete this;
   }
 
+  const LookupKey& key_;
   const RuleRetriever::Callback& rule_ready_;
   scoped_ptr<Retriever::Callback> data_retrieved_;
 
   DISALLOW_COPY_AND_ASSIGN(Helper);
 };
 
 }  // namespace
 
 RuleRetriever::RuleRetriever(const Retriever* retriever)
     : data_retriever_(retriever) {
   assert(data_retriever_ != NULL);
 }
 
 RuleRetriever::~RuleRetriever() {}
 
-void RuleRetriever::RetrieveRule(const std::string& key,
+void RuleRetriever::RetrieveRule(const LookupKey& key,
                                  const Callback& rule_ready) const {
   new Helper(key, rule_ready, *data_retriever_);
 }
 
 }  // namespace addressinput
 }  // namespace i18n