mirror of
https://github.com/klzgrad/naiveproxy.git
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133 lines
3.4 KiB
C++
133 lines
3.4 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/files/file.h"
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#include "base/files/file_path.h"
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#include "util/build_config.h"
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#if defined(OS_POSIX) || defined(OS_FUCHSIA)
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#include <errno.h>
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#endif
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namespace base {
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File::Info::Info() : size(0), is_directory(false), is_symbolic_link(false) {}
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File::Info::~Info() = default;
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File::File()
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: error_details_(FILE_ERROR_FAILED), created_(false), async_(false) {}
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#if !defined(OS_NACL)
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File::File(const FilePath& path, uint32_t flags)
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: error_details_(FILE_OK), created_(false), async_(false) {
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Initialize(path, flags);
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}
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#endif
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File::File(PlatformFile platform_file)
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: file_(platform_file),
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error_details_(FILE_OK),
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created_(false),
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async_(false) {
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#if defined(OS_POSIX) || defined(OS_FUCHSIA)
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DCHECK_GE(platform_file, -1);
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#endif
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}
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File::File(Error error_details)
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: error_details_(error_details), created_(false), async_(false) {}
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File::File(File&& other)
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: file_(other.TakePlatformFile()),
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error_details_(other.error_details()),
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created_(other.created()),
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async_(other.async_) {}
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File::~File() {
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// Go through the AssertIOAllowed logic.
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Close();
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}
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// static
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File File::CreateForAsyncHandle(PlatformFile platform_file) {
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File file(platform_file);
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// It would be nice if we could validate that |platform_file| was opened with
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// FILE_FLAG_OVERLAPPED on Windows but this doesn't appear to be possible.
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file.async_ = true;
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return file;
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}
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File& File::operator=(File&& other) {
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Close();
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SetPlatformFile(other.TakePlatformFile());
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error_details_ = other.error_details();
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created_ = other.created();
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async_ = other.async_;
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return *this;
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}
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#if !defined(OS_NACL)
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void File::Initialize(const FilePath& path, uint32_t flags) {
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if (path.ReferencesParent()) {
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#if defined(OS_WIN)
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::SetLastError(ERROR_ACCESS_DENIED);
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#elif defined(OS_POSIX) || defined(OS_FUCHSIA)
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errno = EACCES;
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#else
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#error Unsupported platform
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#endif
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error_details_ = FILE_ERROR_ACCESS_DENIED;
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return;
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}
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DoInitialize(path, flags);
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}
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#endif
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std::string File::ErrorToString(Error error) {
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switch (error) {
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case FILE_OK:
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return "FILE_OK";
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case FILE_ERROR_FAILED:
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return "FILE_ERROR_FAILED";
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case FILE_ERROR_IN_USE:
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return "FILE_ERROR_IN_USE";
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case FILE_ERROR_EXISTS:
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return "FILE_ERROR_EXISTS";
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case FILE_ERROR_NOT_FOUND:
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return "FILE_ERROR_NOT_FOUND";
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case FILE_ERROR_ACCESS_DENIED:
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return "FILE_ERROR_ACCESS_DENIED";
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case FILE_ERROR_TOO_MANY_OPENED:
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return "FILE_ERROR_TOO_MANY_OPENED";
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case FILE_ERROR_NO_MEMORY:
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return "FILE_ERROR_NO_MEMORY";
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case FILE_ERROR_NO_SPACE:
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return "FILE_ERROR_NO_SPACE";
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case FILE_ERROR_NOT_A_DIRECTORY:
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return "FILE_ERROR_NOT_A_DIRECTORY";
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case FILE_ERROR_INVALID_OPERATION:
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return "FILE_ERROR_INVALID_OPERATION";
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case FILE_ERROR_SECURITY:
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return "FILE_ERROR_SECURITY";
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case FILE_ERROR_ABORT:
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return "FILE_ERROR_ABORT";
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case FILE_ERROR_NOT_A_FILE:
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return "FILE_ERROR_NOT_A_FILE";
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case FILE_ERROR_NOT_EMPTY:
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return "FILE_ERROR_NOT_EMPTY";
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case FILE_ERROR_INVALID_URL:
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return "FILE_ERROR_INVALID_URL";
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case FILE_ERROR_IO:
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return "FILE_ERROR_IO";
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case FILE_ERROR_MAX:
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break;
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}
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NOTREACHED();
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return "";
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}
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} // namespace base
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