118 lines
4.9 KiB
C++
118 lines
4.9 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_STRINGS_JSON_H_
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#define RTC_BASE_STRINGS_JSON_H_
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#include <string>
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "json/json.h" // IWYU pragma: export
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namespace webrtc {
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///////////////////////////////////////////////////////////////////////////////
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// JSON Helpers
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///////////////////////////////////////////////////////////////////////////////
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// Robust conversion operators, better than the ones in JsonCpp.
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bool GetIntFromJson(const Json::Value& in, int* out);
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bool GetUIntFromJson(const Json::Value& in, unsigned int* out);
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bool GetStringFromJson(const Json::Value& in, std::string* out);
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bool GetBoolFromJson(const Json::Value& in, bool* out);
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bool GetDoubleFromJson(const Json::Value& in, double* out);
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// Pull values out of a JSON array.
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bool GetValueFromJsonArray(const Json::Value& in, size_t n, Json::Value* out);
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bool GetIntFromJsonArray(const Json::Value& in, size_t n, int* out);
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bool GetUIntFromJsonArray(const Json::Value& in, size_t n, unsigned int* out);
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bool GetStringFromJsonArray(const Json::Value& in, size_t n, std::string* out);
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bool GetBoolFromJsonArray(const Json::Value& in, size_t n, bool* out);
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bool GetDoubleFromJsonArray(const Json::Value& in, size_t n, double* out);
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// Convert json arrays to std::vector
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bool JsonArrayToValueVector(const Json::Value& in,
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std::vector<Json::Value>* out);
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bool JsonArrayToIntVector(const Json::Value& in, std::vector<int>* out);
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bool JsonArrayToUIntVector(const Json::Value& in,
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std::vector<unsigned int>* out);
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bool JsonArrayToStringVector(const Json::Value& in,
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std::vector<std::string>* out);
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bool JsonArrayToBoolVector(const Json::Value& in, std::vector<bool>* out);
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bool JsonArrayToDoubleVector(const Json::Value& in, std::vector<double>* out);
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// Convert std::vector to json array
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Json::Value ValueVectorToJsonArray(const std::vector<Json::Value>& in);
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Json::Value IntVectorToJsonArray(const std::vector<int>& in);
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Json::Value UIntVectorToJsonArray(const std::vector<unsigned int>& in);
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Json::Value StringVectorToJsonArray(const std::vector<std::string>& in);
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Json::Value BoolVectorToJsonArray(const std::vector<bool>& in);
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Json::Value DoubleVectorToJsonArray(const std::vector<double>& in);
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// Pull values out of a JSON object.
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bool GetValueFromJsonObject(const Json::Value& in,
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absl::string_view k,
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Json::Value* out);
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bool GetIntFromJsonObject(const Json::Value& in, absl::string_view k, int* out);
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bool GetUIntFromJsonObject(const Json::Value& in,
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absl::string_view k,
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unsigned int* out);
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bool GetStringFromJsonObject(const Json::Value& in,
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absl::string_view k,
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std::string* out);
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bool GetBoolFromJsonObject(const Json::Value& in,
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absl::string_view k,
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bool* out);
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bool GetDoubleFromJsonObject(const Json::Value& in,
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absl::string_view k,
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double* out);
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// Writes out a Json value as a string.
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std::string JsonValueToString(const Json::Value& json);
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} // namespace webrtc
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// Re-export symbols from the webrtc namespace for backwards compatibility.
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// TODO(bugs.webrtc.org/4222596): Remove once all references are updated.
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namespace rtc {
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using ::webrtc::BoolVectorToJsonArray;
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using ::webrtc::DoubleVectorToJsonArray;
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using ::webrtc::GetBoolFromJson;
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using ::webrtc::GetBoolFromJsonArray;
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using ::webrtc::GetBoolFromJsonObject;
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using ::webrtc::GetDoubleFromJson;
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using ::webrtc::GetDoubleFromJsonArray;
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using ::webrtc::GetDoubleFromJsonObject;
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using ::webrtc::GetIntFromJson;
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using ::webrtc::GetIntFromJsonArray;
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using ::webrtc::GetIntFromJsonObject;
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using ::webrtc::GetStringFromJson;
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using ::webrtc::GetStringFromJsonArray;
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using ::webrtc::GetStringFromJsonObject;
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using ::webrtc::GetUIntFromJson;
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using ::webrtc::GetUIntFromJsonArray;
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using ::webrtc::GetUIntFromJsonObject;
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using ::webrtc::GetValueFromJsonArray;
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using ::webrtc::GetValueFromJsonObject;
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using ::webrtc::IntVectorToJsonArray;
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using ::webrtc::JsonArrayToBoolVector;
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using ::webrtc::JsonArrayToDoubleVector;
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using ::webrtc::JsonArrayToIntVector;
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using ::webrtc::JsonArrayToStringVector;
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using ::webrtc::JsonArrayToUIntVector;
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using ::webrtc::JsonArrayToValueVector;
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using ::webrtc::JsonValueToString;
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using ::webrtc::StringVectorToJsonArray;
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using ::webrtc::UIntVectorToJsonArray;
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using ::webrtc::ValueVectorToJsonArray;
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} // namespace rtc
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#endif // RTC_BASE_STRINGS_JSON_H_
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