Quelle SerializedStructuredCloneBuffer.h Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 __IPC_GLUE_SERIALIZEDSTRUCTUREDCLONEBUFFER_H__
#define __IPC_GLUE_SERIALIZEDSTRUCTUREDCLONEBUFFER_H__

#include <algorithm>
#include <cstdint>
#include <cstdlib>
#include <string>
#include <utility>
#include "chrome/common/ipc_message.h"
#include "chrome/common/ipc_message_utils.h"
#include "js/AllocPolicy.h"
#include "js/StructuredClone.h"
#include "mozilla/Assertions.h"
#include "mozilla/BufferList.h"
#include "mozilla/Vector.h"
#include "mozilla/mozalloc.h"
class PickleIterator;

namespace mozilla {
template <typename...>
class Variant;

namespace detail {
template <typename...>
struct VariantTag;
}
}  // namespace mozilla

namespace mozilla {

struct SerializedStructuredCloneBuffer final {
  SerializedStructuredCloneBuffer() = default;

  SerializedStructuredCloneBuffer(SerializedStructuredCloneBuffer&&) = default;
  SerializedStructuredCloneBuffer& operator=(
      SerializedStructuredCloneBuffer&&) = default;

  SerializedStructuredCloneBuffer(const SerializedStructuredCloneBuffer&) =
      delete;
  SerializedStructuredCloneBuffer& operator=(
      const SerializedStructuredCloneBuffer& aOther) = delete;

  bool operator==(const SerializedStructuredCloneBuffer& aOther) const {
    // The copy assignment operator and the equality operator are
    // needed by the IPDL generated code. We relied on the copy
    // assignment operator at some places but we never use the
    // equality operator.
    return false;
  }

  JSStructuredCloneData data{JS::StructuredCloneScope::Unassigned};
};

}  // namespace mozilla

namespace IPC {
template <>
struct ParamTraits<JSStructuredCloneData> {
  typedef JSStructuredCloneData paramType;

  static void Write(MessageWriter* aWriter, const paramType& aParam);

  static bool Read(MessageReader* aReader, paramType* aResult);
};

template <>
struct ParamTraits<mozilla::SerializedStructuredCloneBuffer> {
  typedef mozilla::SerializedStructuredCloneBuffer paramType;

  static void Write(MessageWriter* aWriter, const paramType& aParam) {
    WriteParam(aWriter, aParam.data);
  }

  static bool Read(MessageReader* aReader, paramType* aResult) {
    return ReadParam(aReader, &aResult->data);
  }
};

}  // namespace IPC

#endif /* __IPC_GLUE_SERIALIZEDSTRUCTUREDCLONEBUFFER_H__ */

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