// Copyright 2020 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_FILE_OUTPUT_STREAM_FILE_WRITER_H_
|
#define CRASHPAD_UTIL_FILE_OUTPUT_STREAM_FILE_WRITER_H_
|
|
#include <memory>
|
|
#include "base/macros.h"
|
#include "util/file/file_writer.h"
|
|
namespace crashpad {
|
|
class OutputStreamInterface;
|
|
//! \brief A file writer backed by a OutputSteamInterface.
|
//! \note The \a Seek related methods don't work and shouldn't be invoked.
|
class OutputStreamFileWriter : public FileWriterInterface {
|
public:
|
//! \param[in] output_stream The output stream that this object writes to.
|
explicit OutputStreamFileWriter(
|
std::unique_ptr<OutputStreamInterface> output_stream);
|
~OutputStreamFileWriter() override;
|
|
// FileWriterInterface:
|
bool Write(const void* data, size_t size) override;
|
bool WriteIoVec(std::vector<WritableIoVec>* iovecs) override;
|
|
// FileSeekerInterface:
|
|
//! \copydoc FileWriterInterface::Seek()
|
//!
|
//! \note This method doesn't work and shouldn't be invoked.
|
FileOffset Seek(FileOffset offset, int whence) override;
|
|
//! \brief Flush data to output_stream.
|
//!
|
//! Either \a Write() or \a WriteIoVec() can't be called afterwards.
|
bool Flush();
|
|
private:
|
std::unique_ptr<OutputStreamInterface> output_stream_;
|
bool flush_needed_;
|
bool flushed_;
|
|
DISALLOW_COPY_AND_ASSIGN(OutputStreamFileWriter);
|
};
|
|
} // namespace crashpad
|
|
#endif // CRASHPAD_UTIL_FILE_OUTPUT_STREAM_FILE_WRITER_H_
|
