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/*
* Copyright (c) 1999-2003 Smithsonian Astrophysical Observatory
*/
/*
*
* filtprog.c -- hi level support for filters using different techniques
*
*/
#include <filter.h>
/*
*
* FilterProgStart -- start the filtering process
*
*/
#ifdef ANSI_FUNC
int
FilterProgStart (Filter filter)
#else
int FilterProgStart(filter)
Filter filter;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(0);
/* call the technique-specific routine */
if( filter->filt_start )
return((filter->filt_start)(filter));
else{
return(0);
}
}
/*
*
* FilterProgOpen -- return filter program as a file for writing
*
*/
#ifdef ANSI_FUNC
int
FilterProgOpen (Filter filter)
#else
int FilterProgOpen(filter)
Filter filter;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(0);
/* check the mode for known techniques and load drivers */
switch( filter->method ){
case METHOD_C:
FilterProgLoad_C(filter);
break;
default:
gerror(stderr, "unknown filter technique: %d\n", filter->method);
return(0);
}
/* call the technique-specific routine */
if( filter->filt_open ){
return((filter->filt_open)(filter));
}
else{
return(1);
}
}
/*
*
* FilterProgPrepend -- prepend to the filter
*
*/
#ifdef ANSI_FUNC
int
FilterProgPrepend (Filter filter)
#else
int FilterProgPrepend(filter)
Filter filter;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(0);
/* call the technique-specific routine */
if( filter->filt_prepend )
return((filter->filt_prepend)(filter));
else
return(1);
}
/*
*
* FilterProgWrite -- write the symbols
*
*/
#ifdef ANSI_FUNC
int
FilterProgWrite (Filter filter)
#else
int FilterProgWrite(filter)
Filter filter;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(0);
/* call the technique-specific routine */
if( filter->filt_write )
return((filter->filt_write)(filter));
else
return(1);
}
/*
*
* FilterProgAppend -- append the filter program body
*
*/
#ifdef ANSI_FUNC
int
FilterProgAppend (Filter filter)
#else
int FilterProgAppend(filter)
Filter filter;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(0);
/* call the technique-specific routine */
if( filter->filt_append )
return((filter->filt_append)(filter));
else
return(1);
}
/*
*
* FilterProgClose -- close the filter program file
*
*/
#ifdef ANSI_FUNC
int
FilterProgClose (Filter filter)
#else
int FilterProgClose(filter)
Filter filter;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(0);
/* debugging only */
if( filter->debug >= 2 )
return(1);
/* call the technique-specific routine */
if( filter->filt_close )
return((filter->filt_close)(filter));
else
return(1);
}
/*
*
* FilterProgCompile -- compile the filter program
*
*/
#ifdef ANSI_FUNC
int
FilterProgCompile (Filter filter)
#else
int FilterProgCompile(filter)
Filter filter;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(0);
/* debugging only */
if( filter->debug >= 2 )
return(1);
/* call the technique-specific routine */
if( filter->filt_compile )
return((filter->filt_compile)(filter));
else
return(1);
}
/*
*
* FilterProgEnd -- end the filtering process
*
*/
#ifdef ANSI_FUNC
int
FilterProgEnd (Filter filter)
#else
int FilterProgEnd(filter)
Filter filter;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(0);
/* call the technique-specific routine */
if( filter->filt_end )
return((filter->filt_end)(filter));
else{
return(0);
}
}
/*
*
* FilterLexName -- return the "in-expression" name
*
*/
#ifdef ANSI_FUNC
char *
FilterLexName (Filter filter, char *name)
#else
char *FilterLexName(filter, name)
Filter filter;
char *name;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(name);
/* call the technique-specific routine */
if( filter->filt_name )
return((filter->filt_name)(filter, name));
else
return(name);
}
/*
*
* FilterLexRoutine1 -- return the beginning of the routine string
*
*/
#ifdef ANSI_FUNC
char *
FilterLexRoutine1 (Filter filter, char *name)
#else
char *FilterLexRoutine1(filter, name)
Filter filter;
char *name;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(NULL);
/* call the technique-specific routine */
if( filter->filt_routine1 )
return((filter->filt_routine1)(filter, name));
else
return(name);
}
/*
*
* FilterLexRoutine2 -- return the beginning of the routine string
*
*/
#ifdef ANSI_FUNC
char *
FilterLexRoutine2 (Filter filter, char *name)
#else
char *FilterLexRoutine2(filter, name)
Filter filter;
char *name;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(NULL);
/* call the technique-specific routine */
if( filter->filt_routine2 )
return((filter->filt_routine2)(filter, name));
else
return(name);
}
/*
*
* FilterLexRegion1 -- return the beginning of the region string
*
*/
#ifdef ANSI_FUNC
char *
FilterLexRegion1 (Filter filter, char *name)
#else
char *FilterLexRegion1(filter, name)
Filter filter;
char *name;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(NULL);
/* call the technique-specific region */
if( filter->filt_region1 )
return((filter->filt_region1)(filter, name));
else
return(name);
}
/*
*
* FilterLexRegion2 -- return the end of the region string
*
*/
#ifdef ANSI_FUNC
char *
FilterLexRegion2 (Filter filter, char *name)
#else
char *FilterLexRegion2(filter, name)
Filter filter;
char *name;
#endif
{
/* make sure we have something to play with */
if( filter == NULL)
return(NULL);
/* call the technique-specific region */
if( filter->filt_region2 )
return((filter->filt_region2)(filter, name));
else
return(name);
}
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