mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 14:26:09 +03:00
140 lines
3.5 KiB
C++
140 lines
3.5 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "base/files/file.h"
|
|
#include "base/files/file_path.h"
|
|
#include "base/files/file_tracing.h"
|
|
#include "base/metrics/histogram.h"
|
|
#include "base/timer/elapsed_timer.h"
|
|
#include "build/build_config.h"
|
|
|
|
namespace base {
|
|
|
|
File::Info::Info()
|
|
: size(0),
|
|
is_directory(false),
|
|
is_symbolic_link(false) {
|
|
}
|
|
|
|
File::Info::~Info() = default;
|
|
|
|
File::File()
|
|
: error_details_(FILE_ERROR_FAILED),
|
|
created_(false),
|
|
async_(false) {
|
|
}
|
|
|
|
#if !defined(OS_NACL)
|
|
File::File(const FilePath& path, uint32_t flags)
|
|
: error_details_(FILE_OK), created_(false), async_(false) {
|
|
Initialize(path, flags);
|
|
}
|
|
#endif
|
|
|
|
File::File(PlatformFile platform_file)
|
|
: file_(platform_file),
|
|
error_details_(FILE_OK),
|
|
created_(false),
|
|
async_(false) {
|
|
#if defined(OS_POSIX)
|
|
DCHECK_GE(platform_file, -1);
|
|
#endif
|
|
}
|
|
|
|
File::File(Error error_details)
|
|
: error_details_(error_details),
|
|
created_(false),
|
|
async_(false) {
|
|
}
|
|
|
|
File::File(File&& other)
|
|
: file_(other.TakePlatformFile()),
|
|
tracing_path_(other.tracing_path_),
|
|
error_details_(other.error_details()),
|
|
created_(other.created()),
|
|
async_(other.async_) {}
|
|
|
|
File::~File() {
|
|
// Go through the AssertIOAllowed logic.
|
|
Close();
|
|
}
|
|
|
|
// static
|
|
File File::CreateForAsyncHandle(PlatformFile platform_file) {
|
|
File file(platform_file);
|
|
// It would be nice if we could validate that |platform_file| was opened with
|
|
// FILE_FLAG_OVERLAPPED on Windows but this doesn't appear to be possible.
|
|
file.async_ = true;
|
|
return file;
|
|
}
|
|
|
|
File& File::operator=(File&& other) {
|
|
Close();
|
|
SetPlatformFile(other.TakePlatformFile());
|
|
tracing_path_ = other.tracing_path_;
|
|
error_details_ = other.error_details();
|
|
created_ = other.created();
|
|
async_ = other.async_;
|
|
return *this;
|
|
}
|
|
|
|
#if !defined(OS_NACL)
|
|
void File::Initialize(const FilePath& path, uint32_t flags) {
|
|
if (path.ReferencesParent()) {
|
|
error_details_ = FILE_ERROR_ACCESS_DENIED;
|
|
return;
|
|
}
|
|
if (FileTracing::IsCategoryEnabled())
|
|
tracing_path_ = path;
|
|
SCOPED_FILE_TRACE("Initialize");
|
|
DoInitialize(path, flags);
|
|
}
|
|
#endif
|
|
|
|
std::string File::ErrorToString(Error error) {
|
|
switch (error) {
|
|
case FILE_OK:
|
|
return "FILE_OK";
|
|
case FILE_ERROR_FAILED:
|
|
return "FILE_ERROR_FAILED";
|
|
case FILE_ERROR_IN_USE:
|
|
return "FILE_ERROR_IN_USE";
|
|
case FILE_ERROR_EXISTS:
|
|
return "FILE_ERROR_EXISTS";
|
|
case FILE_ERROR_NOT_FOUND:
|
|
return "FILE_ERROR_NOT_FOUND";
|
|
case FILE_ERROR_ACCESS_DENIED:
|
|
return "FILE_ERROR_ACCESS_DENIED";
|
|
case FILE_ERROR_TOO_MANY_OPENED:
|
|
return "FILE_ERROR_TOO_MANY_OPENED";
|
|
case FILE_ERROR_NO_MEMORY:
|
|
return "FILE_ERROR_NO_MEMORY";
|
|
case FILE_ERROR_NO_SPACE:
|
|
return "FILE_ERROR_NO_SPACE";
|
|
case FILE_ERROR_NOT_A_DIRECTORY:
|
|
return "FILE_ERROR_NOT_A_DIRECTORY";
|
|
case FILE_ERROR_INVALID_OPERATION:
|
|
return "FILE_ERROR_INVALID_OPERATION";
|
|
case FILE_ERROR_SECURITY:
|
|
return "FILE_ERROR_SECURITY";
|
|
case FILE_ERROR_ABORT:
|
|
return "FILE_ERROR_ABORT";
|
|
case FILE_ERROR_NOT_A_FILE:
|
|
return "FILE_ERROR_NOT_A_FILE";
|
|
case FILE_ERROR_NOT_EMPTY:
|
|
return "FILE_ERROR_NOT_EMPTY";
|
|
case FILE_ERROR_INVALID_URL:
|
|
return "FILE_ERROR_INVALID_URL";
|
|
case FILE_ERROR_IO:
|
|
return "FILE_ERROR_IO";
|
|
case FILE_ERROR_MAX:
|
|
break;
|
|
}
|
|
|
|
NOTREACHED();
|
|
return "";
|
|
}
|
|
|
|
} // namespace base
|