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41 lines
1.1 KiB
41 lines
1.1 KiB
// Copyright 2016 The Chromium OS 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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#ifndef _BSDIFF_SINK_FILE_H_ |
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#define _BSDIFF_SINK_FILE_H_ |
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#include <stdint.h> |
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#include <functional> |
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#include "bsdiff/file_interface.h" |
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using sink_func = std::function<size_t(const uint8_t*, size_t)>; |
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namespace bsdiff { |
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class SinkFile : public FileInterface { |
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public: |
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// Creates a SinkFile based on the underlying |sink| function passed. |
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// The SinkFile will call |sink| function upon write. |
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// Read, Seek and GetSize are not supported. |
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explicit SinkFile(const sink_func& sink); |
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~SinkFile() = default; |
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// FileInterface overrides. |
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bool Read(void* buf, size_t count, size_t* bytes_read) override; |
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bool Write(const void* buf, size_t count, size_t* bytes_written) override; |
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bool Seek(off_t pos) override; |
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bool Close() override; |
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bool GetSize(uint64_t* size) override; |
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private: |
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// The sink() function used to write data. |
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const sink_func& sink_; |
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}; |
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} // namespace bsdiff |
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#endif // _BSDIFF_SINK_FILE_H_
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