107 lines
2.4 KiB
C++
107 lines
2.4 KiB
C++
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// 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/scoped_temp_dir.h"
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#include "base/files/file_util.h"
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#include "base/logging.h"
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#include "base/macros.h"
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namespace base {
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namespace {
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constexpr FilePath::CharType kScopedDirPrefix[] =
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FILE_PATH_LITERAL("scoped_dir");
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} // namespace
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ScopedTempDir::ScopedTempDir() = default;
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ScopedTempDir::ScopedTempDir(ScopedTempDir&& other) noexcept
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: path_(other.Take()) {}
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ScopedTempDir& ScopedTempDir::operator=(ScopedTempDir&& other) {
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if (!path_.empty() && !Delete())
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DLOG(WARNING) << "Could not delete temp dir in operator=().";
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path_ = other.Take();
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return *this;
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}
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ScopedTempDir::~ScopedTempDir() {
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if (!path_.empty() && !Delete())
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DLOG(WARNING) << "Could not delete temp dir in dtor.";
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}
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bool ScopedTempDir::CreateUniqueTempDir() {
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if (!path_.empty())
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return false;
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// This "scoped_dir" prefix is only used on Windows and serves as a template
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// for the unique name.
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if (!CreateNewTempDirectory(kScopedDirPrefix, &path_))
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return false;
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return true;
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}
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bool ScopedTempDir::CreateUniqueTempDirUnderPath(const FilePath& base_path) {
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if (!path_.empty())
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return false;
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// If |base_path| does not exist, create it.
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if (!CreateDirectory(base_path))
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return false;
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// Create a new, uniquely named directory under |base_path|.
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if (!CreateTemporaryDirInDir(base_path, kScopedDirPrefix, &path_))
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return false;
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return true;
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}
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bool ScopedTempDir::Set(const FilePath& path) {
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if (!path_.empty())
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return false;
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if (!DirectoryExists(path) && !CreateDirectory(path))
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return false;
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path_ = path;
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return true;
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}
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bool ScopedTempDir::Delete() {
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if (path_.empty())
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return false;
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bool ret = DeleteFileRecursively(path_);
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if (ret) {
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// We only clear the path if deleted the directory.
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path_.clear();
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}
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return ret;
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}
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FilePath ScopedTempDir::Take() {
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return std::exchange(path_, FilePath());
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}
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const FilePath& ScopedTempDir::GetPath() const {
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DCHECK(!path_.empty()) << "Did you call CreateUniqueTempDir* before?";
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return path_;
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}
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bool ScopedTempDir::IsValid() const {
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return !path_.empty() && DirectoryExists(path_);
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}
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// static
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const FilePath::CharType* ScopedTempDir::GetTempDirPrefix() {
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return kScopedDirPrefix;
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}
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} // namespace base
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