rwops.h

//@AUTOHEADER@BEGIN@
/***********************************************************************\
|                    Drift Standard Libraries v1.01                     |
|            Copyright 2010-2023 Drift Solutions / Indy Sams            |
| Docs and more information available at https://www.driftsolutions.dev |
|          This file released under the 3-clause BSD license,           |
|            see included DSL.LICENSE.TXT file for details.             |
\***********************************************************************/
//@AUTOHEADER@END@
 
#ifndef __RWOPS_H__
#define __RWOPS_H__
 
#include <drift/Buffer.h>
 
struct DSL_FILE {
    bool (*seek)(DSL_FILE * fp, int64 pos, int mode);
    int64 (*read)(void * buf, int64 size, DSL_FILE * fp);
    int64 (*write)(void * buf, int64 size, DSL_FILE * fp);
    int64 (*tell)(DSL_FILE * fp);
    bool (*flush)(DSL_FILE * fp);
    bool (*eof)(DSL_FILE * fp);
    void (*close)(DSL_FILE * fp);
 
#ifndef DOXYGEN_SKIP
    // for use by rwops provider, do not touch in user-land
    union {
        FILE * fp;
        void * handle;
    };
    void * p_extra;
#endif
};
 
DSL_API DSL_FILE * DSL_CC RW_OpenFile(const char * fn, const char * mode);
DSL_API DSL_FILE * DSL_CC RW_ConvertFile(FILE * fp, bool autoclose);
DSL_API DSL_FILE * DSL_CC RW_OpenMemory(int64 size);
DSL_API DSL_FILE * DSL_CC RW_ConvertMemory(uint8 * buf, int64 size);
DSL_API DSL_FILE * DSL_CC RW_OpenBuffer(DSL_BUFFER ** buf);
DSL_API DSL_FILE * DSL_CC RW_ConvertBuffer(DSL_BUFFER * buf, int64 offset = -1);
 
#if defined(ENABLE_PHYSFS) || defined(DOXYGEN_SKIP)
#include <physfs.h>
 
#if defined(DSL_DLL) && defined(WIN32)
    #if defined(DSL_PHYSFS_EXPORTS)
        #define DSL_PHYSFS_API extern "C" __declspec(dllexport)
        #define DSL_PHYSFS_API_CLASS __declspec(dllexport)
    #else
        #define DSL_PHYSFS_API extern "C" __declspec(dllimport)
        #define DSL_PHYSFS_API_CLASS __declspec(dllimport)
    #endif
#else
    #define DSL_PHYSFS_API DSL_API_VIS
    #define DSL_PHYSFS_API_CLASS DSL_API_VIS
#endif
 
DSL_PHYSFS_API DSL_FILE * DSL_CC RW_OpenPhysFS(const char * fn, const char * mode);
DSL_PHYSFS_API DSL_FILE * DSL_CC RW_ConvertPhysFS(PHYSFS_file * fp, bool autoclose);
#endif
 
#ifndef DOXYGEN_SKIP
 
/* Used internally - not for public use */
struct TP_RWOPT {
    bool autoclose;
};
 
#endif // DOXYGEN_SKIP
 
#endif // __RWOPS_H__