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39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
/*
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* Copyright (c) 2014, Oculus VR, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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#ifndef __INCREMENTAL_READ_INTERFACE_H
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#define __INCREMENTAL_READ_INTERFACE_H
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#include "FileListNodeContext.h"
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#include "Export.h"
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namespace RakNet
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{
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class RAK_DLL_EXPORT IncrementalReadInterface
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{
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public:
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IncrementalReadInterface() {}
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virtual ~IncrementalReadInterface() {}
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/// Read part of a file into \a destination
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/// Return the number of bytes written. Return 0 when file is done.
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/// \param[in] filename Filename to read
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/// \param[in] startReadBytes What offset from the start of the file to read from
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/// \param[in] numBytesToRead How many bytes to read. This is also how many bytes have been allocated to preallocatedDestination
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/// \param[out] preallocatedDestination Write your data here
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/// \return The number of bytes read, or 0 if none
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virtual unsigned int GetFilePart( const char *filename, unsigned int startReadBytes, unsigned int numBytesToRead, void *preallocatedDestination, FileListNodeContext context);
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};
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} // namespace RakNet
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#endif
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