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// Copyright 2016 the V8 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.
#ifndef SRC_TRACING_TRACED_VALUE_H_
#define SRC_TRACING_TRACED_VALUE_H_
#include "node.h"
#include "util.h"
#include "v8.h"
#include <cstddef>
#include <memory>
#include <string>
namespace node {
namespace tracing {
class TracedValue : public v8::ConvertableToTraceFormat {
public:
~TracedValue() = default;
static std::unique_ptr<TracedValue> Create();
static std::unique_ptr<TracedValue> CreateArray();
void EndDictionary();
void EndArray();
// These methods assume that |name| is a long lived "quoted" string.
void SetInteger(const char* name, int value);
void SetDouble(const char* name, double value);
void SetBoolean(const char* name, bool value);
void SetNull(const char* name);
void SetString(const char* name, const char* value);
void SetString(const char* name, const std::string& value) {
SetString(name, value.c_str());
}
void BeginDictionary(const char* name);
void BeginArray(const char* name);
void AppendInteger(int);
void AppendDouble(double);
void AppendBoolean(bool);
void AppendNull();
void AppendString(const char*);
void AppendString(const std::string& value) { AppendString(value.c_str()); }
void BeginArray();
void BeginDictionary();
// ConvertableToTraceFormat implementation.
void AppendAsTraceFormat(std::string* out) const override;
TracedValue(const TracedValue&) = delete;
TracedValue& operator=(const TracedValue&) = delete;
private:
explicit TracedValue(bool root_is_array = false);
void WriteComma();
void WriteName(const char* name);
std::string data_;
bool first_item_;
bool root_is_array_;
};
} // namespace tracing
} // namespace node
#endif // SRC_TRACING_TRACED_VALUE_H_
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