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/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_BASE_JSON_H_
#define WEBRTC_BASE_JSON_H_
#include <string>
#include <vector>
#if !defined(WEBRTC_EXTERNAL_JSON)
#include "json/json.h"
#else
#include "third_party/jsoncpp/json.h"
#endif
namespace rtc {
///////////////////////////////////////////////////////////////////////////////
// JSON Helpers
///////////////////////////////////////////////////////////////////////////////
// Robust conversion operators, better than the ones in JsonCpp.
bool GetIntFromJson(const Json::Value& in, int* out);
bool GetUIntFromJson(const Json::Value& in, unsigned int* out);
bool GetStringFromJson(const Json::Value& in, std::string* out);
bool GetBoolFromJson(const Json::Value& in, bool* out);
bool GetDoubleFromJson(const Json::Value& in, double* out);
// Pull values out of a JSON array.
bool GetValueFromJsonArray(const Json::Value& in, size_t n,
Json::Value* out);
bool GetIntFromJsonArray(const Json::Value& in, size_t n,
int* out);
bool GetUIntFromJsonArray(const Json::Value& in, size_t n,
unsigned int* out);
bool GetStringFromJsonArray(const Json::Value& in, size_t n,
std::string* out);
bool GetBoolFromJsonArray(const Json::Value& in, size_t n,
bool* out);
bool GetDoubleFromJsonArray(const Json::Value& in, size_t n,
double* out);
// Convert json arrays to std::vector
bool JsonArrayToValueVector(const Json::Value& in,
std::vector<Json::Value>* out);
bool JsonArrayToIntVector(const Json::Value& in,
std::vector<int>* out);
bool JsonArrayToUIntVector(const Json::Value& in,
std::vector<unsigned int>* out);
bool JsonArrayToStringVector(const Json::Value& in,
std::vector<std::string>* out);
bool JsonArrayToBoolVector(const Json::Value& in,
std::vector<bool>* out);
bool JsonArrayToDoubleVector(const Json::Value& in,
std::vector<double>* out);
// Convert std::vector to json array
Json::Value ValueVectorToJsonArray(const std::vector<Json::Value>& in);
Json::Value IntVectorToJsonArray(const std::vector<int>& in);
Json::Value UIntVectorToJsonArray(const std::vector<unsigned int>& in);
Json::Value StringVectorToJsonArray(const std::vector<std::string>& in);
Json::Value BoolVectorToJsonArray(const std::vector<bool>& in);
Json::Value DoubleVectorToJsonArray(const std::vector<double>& in);
// Pull values out of a JSON object.
bool GetValueFromJsonObject(const Json::Value& in, const std::string& k,
Json::Value* out);
bool GetIntFromJsonObject(const Json::Value& in, const std::string& k,
int* out);
bool GetUIntFromJsonObject(const Json::Value& in, const std::string& k,
unsigned int* out);
bool GetStringFromJsonObject(const Json::Value& in, const std::string& k,
std::string* out);
bool GetBoolFromJsonObject(const Json::Value& in, const std::string& k,
bool* out);
bool GetDoubleFromJsonObject(const Json::Value& in, const std::string& k,
double* out);
// Writes out a Json value as a string.
std::string JsonValueToString(const Json::Value& json);
} // namespace rtc
#endif // WEBRTC_BASE_JSON_H_
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