chromium/base/files/file_proxy.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/files/file_proxy.h"

#include <memory>
#include <optional>
#include <utility>

#include "base/containers/heap_array.h"
#include "base/files/file.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/location.h"
#include "base/numerics/safe_conversions.h"
#include "base/task/task_runner.h"

namespace {

void FileDeleter(base::File file) { … }

}  // namespace

namespace base {

class FileHelper { … };

namespace {

class GenericFileHelper : public FileHelper { … };

class CreateOrOpenHelper : public FileHelper { … };

class CreateTemporaryHelper : public FileHelper { … };

class GetInfoHelper : public FileHelper { … };

class ReadHelper : public FileHelper { … };

class WriteHelper : public FileHelper { … };

}  // namespace

FileProxy::FileProxy(TaskRunner* task_runner) : … { … }

FileProxy::~FileProxy() { … }

bool FileProxy::CreateOrOpen(const FilePath& file_path,
                             uint32_t file_flags,
                             StatusCallback callback) { … }

bool FileProxy::CreateTemporary(uint32_t additional_file_flags,
                                CreateTemporaryCallback callback) { … }

bool FileProxy::IsValid() const { … }

void FileProxy::SetFile(File file) { … }

File FileProxy::TakeFile() { … }

File FileProxy::DuplicateFile() { … }

PlatformFile FileProxy::GetPlatformFile() const { … }

bool FileProxy::Close(StatusCallback callback) { … }

bool FileProxy::GetInfo(GetFileInfoCallback callback) { … }

bool FileProxy::Read(int64_t offset, int bytes_to_read, ReadCallback callback) { … }

bool FileProxy::Write(int64_t offset,
                      base::span<const uint8_t> data,
                      WriteCallback callback) { … }

bool FileProxy::SetTimes(Time last_access_time,
                         Time last_modified_time,
                         StatusCallback callback) { … }

bool FileProxy::SetLength(int64_t length, StatusCallback callback) { … }

bool FileProxy::Flush(StatusCallback callback) { … }

}  // namespace base