/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim:set ts=2 sw=2 sts=2 et cindent: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef DDLogValue_h_

#define DDLogValue_h_

#include "DDLogObject.h"

#include "MediaResult.h"

#include "mozilla/Variant.h"

#include "nsString.h"

namespace mozilla {

// Placeholder when no value is needed.

struct DDNoValue

{

};

// Value capturing a range (typically an offset and a number of bytes in a

// resource).

struct DDRange

{

  const int64_t mOffset;

  const int64_t mBytes;

  DDRange(int64_t aOffset, int64_t aBytes)

    : mOffset(aOffset)

    , mBytes(aBytes)

  {

  }

};

// Value associated with a log message.

using DDLogValue = Variant<DDNoValue,

                           DDLogObject,

                           const char*, // Assumed to be a literal string.

                           const nsCString,

                           bool,

                           int8_t,

                           uint8_t,

                           int16_t,

                           uint16_t,

                           int32_t,

                           uint32_t,

                           int64_t,

                           uint64_t,

                           double,

                           DDRange,

                           nsresult,

                           MediaResult>;

void

AppendToString(const DDLogValue& aValue, nsCString& aString);

class JSONWriter;

void

ToJSON(const DDLogValue& aValue,

       JSONWriter& aJSONWriter,

       const char* aPropertyName);

} // namespace mozilla

#endif // DDLogValue_h_