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474c7331a6
This change also adds functions to create directories, remove files and directories, and check for the existence of files and directories. Change-Id: I62b78219ae2b277d6976d2d90ec86fcabd0ef073 Reviewed-on: https://chromium-review.googlesource.com/696132 Commit-Queue: Joshua Peraza <jperaza@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
// Copyright 2017 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_UTIL_FILE_DIRECTORY_READER_H_
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#define CRASHPAD_UTIL_FILE_DIRECTORY_READER_H_
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#include "base/files/file_path.h"
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#include "base/macros.h"
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#include "build/build_config.h"
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#if defined(OS_POSIX)
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#include "util/posix/scoped_dir.h"
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#elif defined(OS_WIN)
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#include <windows.h>
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#include "util/win/scoped_handle.h"
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#endif // OS_POSIX
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namespace crashpad {
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//! \brief Iterates over the file and directory names in a directory.
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//!
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//! The names enumerated are relative to the specified directory and do not
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//! include ".", "..", or files and directories in subdirectories.
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class DirectoryReader {
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public:
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//! \brief The result of a call to NextFile().
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enum class Result {
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//! \brief An error occurred and a message was logged.
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kError = -1,
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//! \brief A file was found.
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kSuccess,
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//! \brief No more files were found.
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kNoMoreFiles,
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};
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DirectoryReader();
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~DirectoryReader();
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//! \brief Opens the directory specified by \a path for reading.
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//!
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//! \param[in] path The path to the directory to read.
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//! \return `true` on success. `false` on failure with a message logged.
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bool Open(const base::FilePath& path);
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//! \brief Advances the reader to the next file in the directory.
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//!
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//! \param[out] filename The filename of the next file.
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//! \return a #Result value. \a filename is only valid when Result::kSuccess
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//! is returned. If Result::kError is returned, a message will be
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//! logged.
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Result NextFile(base::FilePath* filename);
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#if defined(OS_POSIX) || DOXYGEN
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//! \brief Returns the file descriptor associated with this reader, logging a
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//! message and returning -1 on error.
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int DirectoryFD();
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#endif
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private:
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#if defined(OS_POSIX)
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ScopedDIR dir_;
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#elif defined(OS_WIN)
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WIN32_FIND_DATA find_data_;
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ScopedSearchHANDLE handle_;
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bool first_entry_;
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#endif // OS_POSIX
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DISALLOW_COPY_AND_ASSIGN(DirectoryReader);
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_FILE_DIRECTORY_READER_H_
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