crashpad/util/stream/file_encoder.h
Tao Bai b411976ca5 [log minidump] add tool to encode/decode minidump log.
- This tool could compress/encode or decode/decompress the minidump
  log file, will be used by script to symbolize the crash.
- Added FileOutputStream and FileEncoder.

Bug: crashpad:308
Change-Id: I15c3e4908882a09983ec81a90e38249967c29fc4
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/1968059
Commit-Queue: Tao Bai <michaelbai@chromium.org>
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
2019-12-18 22:16:48 +00:00

60 lines
1.9 KiB
C++

// Copyright 2019 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CRASHPAD_UTIL_STREAM_FILE_ENCODER_H_
#define CRASHPAD_UTIL_STREAM_FILE_ENCODER_H_
#include "base/files/file_path.h"
#include "base/macros.h"
namespace crashpad {
//! \brief The class is used to compress and base94-encode, or base94-decode
//! and decompress the given input file to the output file.
class FileEncoder {
public:
//! \brief Whether this object is configured to encode or decode data.
enum class Mode : bool {
//! \brief Data passed through this object is encoded.
kEncode = false,
//! \brief Data passed through this object is decoded.
kDecode = true
};
//! \param[in] mode The work mode of this object.
//! \param[in] input_path The input file that this object reads from.
//! \param[in] output_path The output file that this object writes to.
FileEncoder(Mode mode,
const base::FilePath& input_path,
const base::FilePath& output_path);
~FileEncoder();
//! \brief Encode/decode the data from \a input_path_ file according work
//! \a mode, and write the result to \a output_path_ on success.
//!
//! \return `true` on success.
bool Process();
private:
Mode mode_;
base::FilePath input_path_;
base::FilePath output_path_;
DISALLOW_COPY_AND_ASSIGN(FileEncoder);
};
} // namespace crashpad
#endif // CRASHPAD_UTIL_STREAM_FILE_ENCODER_H_