1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "cpp/src/util/json.h" 6 7 #include "base/basictypes.h" 8 #include "base/json/json_reader.h" 9 #include "base/logging.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "base/values.h" 12 13 namespace i18n { 14 namespace addressinput { 15 16 namespace { 17 18 class ChromeJson : public Json { 19 public: 20 ChromeJson() {} 21 22 virtual ~ChromeJson() {} 23 24 virtual bool ParseObject(const std::string& json) { 25 dict_.reset(); 26 27 // |json| is converted to a |c_str()| here because rapidjson and other parts 28 // of the standalone library use char* rather than std::string. 29 scoped_ptr<base::Value> parsed(base::JSONReader::Read(json.c_str())); 30 if (parsed && parsed->IsType(base::Value::TYPE_DICTIONARY)) 31 dict_.reset(static_cast<base::DictionaryValue*>(parsed.release())); 32 33 return !!dict_; 34 } 35 36 virtual bool HasStringValueForKey(const std::string& key) const { 37 base::Value* val = NULL; 38 dict_->GetWithoutPathExpansion(key, &val); 39 return val && val->IsType(base::Value::TYPE_STRING); 40 } 41 42 virtual std::string GetStringValueForKey(const std::string& key) const { 43 std::string result; 44 dict_->GetStringWithoutPathExpansion(key, &result); 45 return result; 46 } 47 48 private: 49 scoped_ptr<base::DictionaryValue> dict_; 50 51 DISALLOW_COPY_AND_ASSIGN(ChromeJson); 52 }; 53 54 } // namespace 55 56 Json::~Json() {} 57 58 // static 59 Json* Json::Build() { 60 return new ChromeJson; 61 } 62 63 Json::Json() {} 64 65 } // namespace addressinput 66 } // namespace i18n 67
