webrtc/third_party_mods/libjingle/source/talk/base/json.h

81 lines
3.6 KiB
C++

/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TALK_BASE_JSON_H_
#define TALK_BASE_JSON_H_
#include <string>
#include <vector>
#include "json/json.h"
// TODO(juberti): Move to talk_base namespace
///////////////////////////////////////////////////////////////////////////////
// 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);
// 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);
// 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);
// Converts vectors of strings to/from JSON arrays.
Json::Value StringVectorToJsonValue(const std::vector<std::string>& strings);
bool JsonValueToStringVector(const Json::Value& value,
std::vector<std::string> *strings);
// Writes out a Json value as a string.
std::string JsonValueToString(const Json::Value& json);
#endif // TALK_BASE_JSON_H_