143 lines
4.7 KiB
C++
143 lines
4.7 KiB
C++
/*
|
|
---------------------------------------------------------------------------
|
|
Open Asset Import Library (ASSIMP)
|
|
---------------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2008, ASSIMP Development Team
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use of this software in source and binary forms,
|
|
with or without modification, are permitted provided that the following
|
|
conditions are met:
|
|
|
|
* Redistributions of source code must retain the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer in the documentation and/or other
|
|
materials provided with the distribution.
|
|
|
|
* Neither the name of the ASSIMP team, nor the names of its
|
|
contributors may be used to endorse or promote products
|
|
derived from this software without specific prior
|
|
written permission of the ASSIMP Development Team.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
---------------------------------------------------------------------------
|
|
*/
|
|
/** @file IOStream.h
|
|
* @brief File I/O wrappers for C++.
|
|
*/
|
|
|
|
#ifndef AI_IOSTREAM_H_INC
|
|
#define AI_IOSTREAM_H_INC
|
|
|
|
#include "aiTypes.h"
|
|
|
|
#ifndef __cplusplus
|
|
# error This header requires C++ to be used. aiFileIO.h is the \
|
|
corresponding C interface.
|
|
#endif
|
|
|
|
namespace Assimp {
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
/** @class IOStream
|
|
* @brief Class to handle file I/O for C++
|
|
*
|
|
* Derive an own implementation from this interface to provide custom IO handling
|
|
* to the Importer. If you implement this interface, be sure to also provide an
|
|
* implementation for IOSystem that creates instances of your custom IO class.
|
|
*/
|
|
class ASSIMP_API IOStream
|
|
{
|
|
protected:
|
|
/** Constructor protected, use IOSystem::Open() to create an instance. */
|
|
IOStream(void);
|
|
|
|
public:
|
|
// -------------------------------------------------------------------
|
|
/** @brief Destructor. Deleting the object closes the underlying file,
|
|
* alternatively you may use IOSystem::Close() to release the file.
|
|
*/
|
|
virtual ~IOStream();
|
|
|
|
// -------------------------------------------------------------------
|
|
/** @brief Read from the file
|
|
*
|
|
* See fread() for more details
|
|
* This fails for write-only files
|
|
*/
|
|
virtual size_t Read(void* pvBuffer,
|
|
size_t pSize,
|
|
size_t pCount) = 0;
|
|
|
|
// -------------------------------------------------------------------
|
|
/** @brief Write to the file
|
|
*
|
|
* See fwrite() for more details
|
|
* This fails for read-only files
|
|
*/
|
|
virtual size_t Write(const void* pvBuffer,
|
|
size_t pSize,
|
|
size_t pCount) = 0;
|
|
|
|
// -------------------------------------------------------------------
|
|
/** @brief Set the read/write cursor of the file
|
|
*
|
|
* See fseek() for more details
|
|
*/
|
|
virtual aiReturn Seek(size_t pOffset,
|
|
aiOrigin pOrigin) = 0;
|
|
|
|
// -------------------------------------------------------------------
|
|
/** @brief Get the current position of the read/write cursor
|
|
*
|
|
* See ftell() for more details
|
|
*/
|
|
virtual size_t Tell() const = 0;
|
|
|
|
// -------------------------------------------------------------------
|
|
/** @brief Returns filesize
|
|
*
|
|
* Returns the filesize.
|
|
*/
|
|
virtual size_t FileSize() const = 0;
|
|
|
|
// -------------------------------------------------------------------
|
|
/** @brief Flush the contents of the file buffer (for writers)
|
|
*
|
|
* See fflush() for more details.
|
|
*/
|
|
virtual void Flush() = 0;
|
|
}; //! class IOStream
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
inline IOStream::IOStream()
|
|
{
|
|
// empty
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
inline IOStream::~IOStream()
|
|
{
|
|
// empty
|
|
}
|
|
// ----------------------------------------------------------------------------------
|
|
} //!namespace Assimp
|
|
|
|
#endif //!!AI_IOSTREAM_H_INC
|