chromium/ui/gfx/x/xproto_types.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/354829279): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "ui/gfx/x/xproto_types.h"

#include <xcb/xcbext.h>

#include "base/memory/scoped_refptr.h"
#include "ui/gfx/x/connection.h"
#include "ui/gfx/x/xproto_internal.h"

namespace x11 {

namespace {

constexpr uint8_t kResponseTypeReply = …;

struct ReplyHeader { … };

}  // namespace

ThrowAwaySizeRefCountedMemory::ThrowAwaySizeRefCountedMemory(
    std::vector<uint8_t> data)
    : … { … }

ThrowAwaySizeRefCountedMemory::~ThrowAwaySizeRefCountedMemory() = default;

void* ThrowAwaySizeRefCountedMemory::data() { … }

const void* ThrowAwaySizeRefCountedMemory::data() const { … }

SizedRefCountedMemory::SizedRefCountedMemory(
    scoped_refptr<UnsizedRefCountedMemory> mem,
    size_t size)
    : … { … }

SizedRefCountedMemory::~SizedRefCountedMemory() = default;

base::span<const uint8_t> SizedRefCountedMemory::AsSpan() const { … }

ReadBuffer::ReadBuffer(scoped_refptr<UnsizedRefCountedMemory> data,
                       bool setup_message)
    : … { … }

ReadBuffer::ReadBuffer(ReadBuffer&&) = default;

ReadBuffer::~ReadBuffer() = default;

scoped_refptr<UnsizedRefCountedMemory> ReadBuffer::ReadAndAdvance(
    size_t length) { … }

int ReadBuffer::TakeFd() { … }

WriteBuffer::WriteBuffer() = default;

WriteBuffer::WriteBuffer(WriteBuffer&&) = default;

WriteBuffer::~WriteBuffer() = default;

void WriteBuffer::AppendBuffer(scoped_refptr<UnsizedRefCountedMemory> buffer,
                               size_t size) { … }

void WriteBuffer::AppendSizedBuffer(
    scoped_refptr<base::RefCountedMemory> buffer) { … }

base::span<base::span<uint8_t>> WriteBuffer::GetBuffers() { … }

void WriteBuffer::OffsetFirstBuffer(size_t offset) { … }

void WriteBuffer::AppendCurrentBuffer() { … }

}  // namespace x11