139 lines
4.5 KiB
C
139 lines
4.5 KiB
C
/*
|
|
---------------------------------------------------------------------------
|
|
Open Asset Import Library (assimp)
|
|
---------------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2018, assimp 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 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 cfileio.h
|
|
* @brief Defines generic C routines to access memory-mapped files
|
|
*/
|
|
#pragma once
|
|
#ifndef AI_FILEIO_H_INC
|
|
#define AI_FILEIO_H_INC
|
|
|
|
#include <assimp/types.h>
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
struct aiFileIO;
|
|
struct aiFile;
|
|
|
|
// aiFile callbacks
|
|
typedef size_t (*aiFileWriteProc) (C_STRUCT aiFile*, const char*, size_t, size_t);
|
|
typedef size_t (*aiFileReadProc) (C_STRUCT aiFile*, char*, size_t,size_t);
|
|
typedef size_t (*aiFileTellProc) (C_STRUCT aiFile*);
|
|
typedef void (*aiFileFlushProc) (C_STRUCT aiFile*);
|
|
typedef C_ENUM aiReturn (*aiFileSeek) (C_STRUCT aiFile*, size_t, C_ENUM aiOrigin);
|
|
|
|
// aiFileIO callbacks
|
|
typedef C_STRUCT aiFile* (*aiFileOpenProc) (C_STRUCT aiFileIO*, const char*, const char*);
|
|
typedef void (*aiFileCloseProc) (C_STRUCT aiFileIO*, C_STRUCT aiFile*);
|
|
|
|
// Represents user-defined data
|
|
typedef char* aiUserData;
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
/** @brief C-API: File system callbacks
|
|
*
|
|
* Provided are functions to open and close files. Supply a custom structure to
|
|
* the import function. If you don't, a default implementation is used. Use custom
|
|
* file systems to enable reading from other sources, such as ZIPs
|
|
* or memory locations. */
|
|
struct aiFileIO
|
|
{
|
|
/** Function used to open a new file
|
|
*/
|
|
aiFileOpenProc OpenProc;
|
|
|
|
/** Function used to close an existing file
|
|
*/
|
|
aiFileCloseProc CloseProc;
|
|
|
|
/** User-defined, opaque data */
|
|
aiUserData UserData;
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
/** @brief C-API: File callbacks
|
|
*
|
|
* Actually, it's a data structure to wrap a set of fXXXX (e.g fopen)
|
|
* replacement functions.
|
|
*
|
|
* The default implementation of the functions utilizes the fXXX functions from
|
|
* the CRT. However, you can supply a custom implementation to Assimp by
|
|
* delivering a custom aiFileIO. Use this to enable reading from other sources,
|
|
* such as ZIP archives or memory locations. */
|
|
struct aiFile
|
|
{
|
|
/** Callback to read from a file */
|
|
aiFileReadProc ReadProc;
|
|
|
|
/** Callback to write to a file */
|
|
aiFileWriteProc WriteProc;
|
|
|
|
/** Callback to retrieve the current position of
|
|
* the file cursor (ftell())
|
|
*/
|
|
aiFileTellProc TellProc;
|
|
|
|
/** Callback to retrieve the size of the file,
|
|
* in bytes
|
|
*/
|
|
aiFileTellProc FileSizeProc;
|
|
|
|
/** Callback to set the current position
|
|
* of the file cursor (fseek())
|
|
*/
|
|
aiFileSeek SeekProc;
|
|
|
|
/** Callback to flush the file contents
|
|
*/
|
|
aiFileFlushProc FlushProc;
|
|
|
|
/** User-defined, opaque data
|
|
*/
|
|
aiUserData UserData;
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif // AI_FILEIO_H_INC
|