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/*@@
@file IOMethods.c
@date Mon Jan 8 1999
@author Gabrielle Allen
@desc
Functions to deal with IO registration
@enddesc
@@*/
#include <stdio.h>
#include <stdlib.h>
#include "flesh.h"
#include "IOMethods.h"
#include "StoreHandledData.h"
static char *rcsid = "$Header$";
/* Local data holding info on IO methods.*/
static cHandledData *IOMethods = NULL;
static int num_methods = 0;
/* Function which checks that all the functions on all extensions have been
* filled in.
*/
static int CheckAllMethodsSetup(void);
/* Dummy function prototypes. */
static int DummyOutputGH(cGH *GH);
static int DummyOutputVarAs(cGH *GH,
const char *var,
const char *alias);
/**************************************************************************
**************************************************************************
**************************************************************************/
/*@@
@routine CCTK_RegisterIOMethod
@date Wed Feb 3 13:33:09 1999
@author Tom Goodale
@desc
Registers a new IO method.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
int CCTK_RegisterIOMethod(const char *name)
{
int return_val;
int handle;
struct IOMethod *new_method;
/* Check that the method hasn't already been registered */
handle = CCTK_GetHandle(IOMethods, name, NULL);
if(handle < 0)
{
/* New extension. */
new_method = (struct IOMethod *)malloc(sizeof(struct IOMethod));
if(new_method)
{
/* Get a handle for it. */
handle = CCTK_NewHandle(&IOMethods, name, new_method);
/* Initialise the IO method structure. */
new_method->OutputGH = DummyOutputGH;
new_method->OutputVarAs = DummyOutputVarAs;
/* Remember how many methods there are */
num_methods++;
}
else
{
/* Memory failure. */
handle = -2;
}
}
else
{
/* Method already exists. */
handle = -1;
}
return handle;
}
/***************************************************************************
*
* Function Registration Routines.
*
***************************************************************************/
/*@@
@routine CCTK_RegisterIOMethodOutputGH
@date Wed Feb 3 13:34:12 1999
@author Tom Goodale
@desc
Registers a function to register a routine for OutputGH.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
int CCTK_RegisterIOMethodOutputGH(int handle, int (*func)(cGH *))
{
int return_code;
struct IOMethod *method;
/* Get the method. */
method = CCTK_GetHandledData(IOMethods, handle);
if(method)
{
method->OutputGH = func;
return_code = 1;
}
else
{
return_code = 0;
}
return return_code;
}
/*@@
@routine CCTK_RegisterIOMethodOutputVar
@date Wed Feb 3 13:33:36 1999
@author Tom Goodale
@desc
Registers a IO method OutputVarAs function.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
int CCTK_RegisterIOMethodOutputVarAs(int handle, int (*func)(cGH *,
const char *,const char *))
{
int return_code;
struct IOMethod *method;
/* Get the extension. */
method = CCTK_GetHandledData(IOMethods, handle);
if(method)
{
method->OutputVarAs = func;
return_code = 1;
}
else
{
return_code = 0;
}
return return_code;
}
/************************************************************************
*
* Dummy functions. Registered if no real function registered.
*
************************************************************************/
/*@@
@routine DummyOutputGH
@date Wed Feb 3 13:36:52 1999
@author Tom Goodale
@desc
Dummy for OutputGH functions.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
static int DummyOutputGH(cGH *GH)
{
return 0;
}
/*@@
@routine DummyOutputVar
@date Wed Feb 3 13:37:31 1999
@author Tom Goodale
@desc
Dummy for OutputVarAs functions.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
static int DummyOutputVarAs(cGH *GH,
const char *var,
const char *alias)
{
return 0;
}
int CactusDefaultOutputGH(cGH *GH)
{
int handle;
struct IOMethod *method;
for (handle = 0;;handle++)
{
method = (struct IOMethod *)CCTK_GetHandledData(IOMethods, handle);
if (method)
{
method->OutputGH(GH);
}
else
{
return handle;
}
}
}
int CactusDefaultOutputVarAsByMethod(cGH *GH,
const char *var,
const char *method,
const char *alias)
{
printf("I'm in the default OutputVarAsByMethod routine\n");
return 0;
}
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