dbio.h File Reference

This file provides the GWEN DB import/export framework. More...

#include <gwenhywfar/gwenhywfarapi.h>
#include <gwenhywfar/plugin.h>
#include <gwenhywfar/path.h>
#include <gwenhywfar/iolayer.h>
#include <gwenhywfar/types.h>
#include <gwenhywfar/misc.h>
#include <gwenhywfar/inherit.h>
#include <gwenhywfar/db.h>
#include <gwenhywfar/libloader.h>
#include <gwenhywfar/error.h>
#include <stdio.h>

Go to the source code of this file.

GWEN_DBIO plugins

typedef GWEN_DBIO *(* GWEN_DBIO_PLUGIN_FACTORYFN )(GWEN_PLUGIN *pl)
GWENHYWFAR_API GWEN_DBIOGWEN_DBIO_Plugin_Factory (GWEN_PLUGIN *pl)

Defines

#define GWEN_DBIO_FOLDER   "dbio"
#define GWEN_DBIO_PLUGIN_NAME   "dbio"

Typedefs

typedef struct GWEN_DBIO GWEN_DBIO

Enumerations

enum  GWEN_DBIO_CHECKFILE_RESULT { GWEN_DBIO_CheckFileResultOk = 0, GWEN_DBIO_CheckFileResultNotOk, GWEN_DBIO_CheckFileResultUnknown }

Functions

Functions To Be Used By Applications
GWENHYWFAR_API void GWEN_DBIO_Attach (GWEN_DBIO *dbio)
GWENHYWFAR_API
GWEN_DBIO_CHECKFILE_RESULT 
GWEN_DBIO_CheckFile (GWEN_DBIO *dbio, const char *fname, uint32_t guiid, int msecs)
GWENHYWFAR_API int GWEN_DBIO_Export (GWEN_DBIO *dbio, GWEN_IO_LAYER *io, GWEN_DB_NODE *db, GWEN_DB_NODE *params, uint32_t flags, uint32_t guiid, int msecs)
GWENHYWFAR_API int GWEN_DBIO_ExportToBuffer (GWEN_DBIO *dbio, GWEN_BUFFER *buf, GWEN_DB_NODE *db, GWEN_DB_NODE *params, uint32_t flags, uint32_t guiid, int msecs)
GWENHYWFAR_API int GWEN_DBIO_ExportToFile (GWEN_DBIO *dbio, const char *fname, GWEN_DB_NODE *db, GWEN_DB_NODE *params, uint32_t flags, uint32_t guiid, int msecs)
GWENHYWFAR_API void GWEN_DBIO_free (GWEN_DBIO *dbio)
GWENHYWFAR_API const char * GWEN_DBIO_GetDescription (const GWEN_DBIO *dbio)
GWENHYWFAR_API const char * GWEN_DBIO_GetName (const GWEN_DBIO *dbio)
GWENHYWFAR_API int GWEN_DBIO_Import (GWEN_DBIO *dbio, GWEN_IO_LAYER *io, GWEN_DB_NODE *db, GWEN_DB_NODE *params, uint32_t flags, uint32_t guiid, int msecs)
GWENHYWFAR_API int GWEN_DBIO_ImportFromFile (GWEN_DBIO *dbio, const char *fname, GWEN_DB_NODE *db, GWEN_DB_NODE *params, uint32_t flags, uint32_t guiid, int msecs)
Functions To Be Used By Administration Functions
Functions in this group are to be used for administration purposes only.

GWENHYWFAR_API GWEN_DBIOGWEN_DBIO_GetPlugin (const char *modname)


Detailed Description

This file provides the GWEN DB import/export framework.

Definition in file dbio.h.


Define Documentation

#define GWEN_DBIO_FOLDER   "dbio"

name of the folder below Gwen's PLUGIN folder which holds DBIO plugins

Definition at line 56 of file dbio.h.

Referenced by GWEN_DBIO_ModuleInit().

#define GWEN_DBIO_PLUGIN_NAME   "dbio"

Definition at line 50 of file dbio.h.


Typedef Documentation

typedef struct GWEN_DBIO GWEN_DBIO

Definition at line 43 of file dbio.h.

Definition at line 91 of file dbio.h.


Enumeration Type Documentation

Enumerator:
GWEN_DBIO_CheckFileResultOk 
GWEN_DBIO_CheckFileResultNotOk 
GWEN_DBIO_CheckFileResultUnknown 

Definition at line 79 of file dbio.h.


Function Documentation

GWENHYWFAR_API void GWEN_DBIO_Attach ( GWEN_DBIO dbio  ) 

Increments the internal usage counter. This counter is decremented upon GWEN_DBIO_free.

Definition at line 239 of file dbio.c.

GWENHYWFAR_API GWEN_DBIO_CHECKFILE_RESULT GWEN_DBIO_CheckFile ( GWEN_DBIO dbio,
const char *  fname,
uint32_t  guiid,
int  msecs 
)

Checks whether the given file is supported by the given DBIO.

Definition at line 288 of file dbio.c.

References DBG_INFO, GWEN_DBIO_CheckFileResultUnknown, and GWEN_LOGDOMAIN.

GWENHYWFAR_API int GWEN_DBIO_Export ( GWEN_DBIO dbio,
GWEN_IO_LAYER io,
GWEN_DB_NODE db,
GWEN_DB_NODE params,
uint32_t  flags,
uint32_t  guiid,
int  msecs 
)

Writes data to the given GWEN_BUFFEREDIO in the format of this particular GWEN_DBIO.

Definition at line 267 of file dbio.c.

References DBG_INFO, and GWEN_LOGDOMAIN.

Referenced by GWEN_DBIO_ExportToBuffer(), and GWEN_DBIO_ExportToFile().

GWENHYWFAR_API int GWEN_DBIO_ExportToBuffer ( GWEN_DBIO dbio,
GWEN_BUFFER buf,
GWEN_DB_NODE db,
GWEN_DB_NODE params,
uint32_t  flags,
uint32_t  guiid,
int  msecs 
)

GWENHYWFAR_API int GWEN_DBIO_ExportToFile ( GWEN_DBIO dbio,
const char *  fname,
GWEN_DB_NODE db,
GWEN_DB_NODE params,
uint32_t  flags,
uint32_t  guiid,
int  msecs 
)

GWENHYWFAR_API void GWEN_DBIO_free ( GWEN_DBIO dbio  ) 

Releases the ressources associated with the given GWEN_DBIO if the usage counter reaches zero.

Definition at line 222 of file dbio.c.

References GWEN_FREE_OBJECT, GWEN_INHERIT_FINI, and GWEN_LIST_FINI.

GWENHYWFAR_API const char* GWEN_DBIO_GetDescription ( const GWEN_DBIO dbio  ) 

Returns a descriptive text about this particular GWEN_DBIO.

Definition at line 312 of file dbio.c.

GWENHYWFAR_API const char* GWEN_DBIO_GetName ( const GWEN_DBIO dbio  ) 

Returns the name of a GWEN_DBIO.

Definition at line 305 of file dbio.c.

GWENHYWFAR_API GWEN_DBIO* GWEN_DBIO_GetPlugin ( const char *  modname  ) 

This function creates a GWEN_DBIO of the given name. It therefore loads the appropriate plugin if necessary. The caller becomes the owner of the object returned, so he/she is responsible for freeing it (Note: Previous version kept the ownership so that the caller was not allowed to free the object. This has changed).

Definition at line 339 of file dbio.c.

References DBG_ERROR, DBG_INFO, GWEN_DBIO_Plugin_Factory(), GWEN_LOGDOMAIN, GWEN_PluginManager_FindPluginManager(), and GWEN_PluginManager_GetPlugin().

Referenced by GWEN_DB_ReadFileAs(), and GWEN_DB_WriteFileAs().

GWENHYWFAR_API int GWEN_DBIO_Import ( GWEN_DBIO dbio,
GWEN_IO_LAYER io,
GWEN_DB_NODE db,
GWEN_DB_NODE params,
uint32_t  flags,
uint32_t  guiid,
int  msecs 
)

Reads data from the given io layer and stores the data read into the given DB. The stream represented by the buffered io is expected to have the format for this particular GWEN_DBIO.

Definition at line 246 of file dbio.c.

References DBG_INFO, and GWEN_LOGDOMAIN.

Referenced by GWEN_DB_ReadFileAs(), and GWEN_DBIO_ImportFromFile().

GWENHYWFAR_API int GWEN_DBIO_ImportFromFile ( GWEN_DBIO dbio,
const char *  fname,
GWEN_DB_NODE db,
GWEN_DB_NODE params,
uint32_t  flags,
uint32_t  guiid,
int  msecs 
)

GWENHYWFAR_API GWEN_DBIO* GWEN_DBIO_Plugin_Factory ( GWEN_PLUGIN pl  ) 

Definition at line 174 of file dbio.c.

References GWEN_INHERIT_GETDATA.

Referenced by GWEN_DBIO_GetPlugin().


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