inpdpar.c

ngspice又一个电子CAD仿真软件代码.功能更全

/**********
Copyright 1990 Regents of the University of California.  All rights reserved.
Author: 1985 Thomas L. Quarles
**********/

    /*
     * INPdevParse()
     *
     *  parse a given input according to the standard rules - look
     *  for the parameters given in the parmlists, In addition, 
     *  an optional leading numeric parameter is handled.
     */

#include "ngspice.h"
#include <stdio.h>
#include "ifsim.h"
#include "inpdefs.h"
#include "iferrmsg.h"
#include "cpdefs.h"
#include "fteext.h"
#include "inp.h"

char *INPdevParse(char **line, void *ckt, int dev, void *fast,
		  double *leading, int *waslead, INPtables * tab)
		    /* the line to parse */
		 /* the circuit this device is a member of */
		    /* the device type code to the device being parsed */
		      /* direct pointer to device being parsed */
		    /* the optional leading numeric parameter */
		    /* flag - 1 if leading double given, 0 otherwise */
{
    int error;			/* int to store evaluate error return codes in */
    char *parm=NULL;
    char *errbuf;
    int i;
    IFvalue *val;
    char *rtn=NULL;

    /* check for leading value */
    *waslead = 0;
    *leading = INPevaluate(line, &error, 1);
    if (error == 0) {		/* found a good leading number */
	*waslead = 1;
    } else
	*leading = 0.0;
    while (**line != (char) 0) {
	error = INPgetTok(line, &parm, 1);
	if (!*parm) {
	    FREE(parm);
	    continue;
	}
	if (error) {
	    rtn  = (INPerror(error));
	    goto quit;
	}
	for (i = 0; i < (*(*(ft_sim->devices)[dev]).numInstanceParms); i++) {
	    if (strcmp(parm,
		       ((*(ft_sim->devices)[dev]).instanceParms[i].
			keyword)) == 0) {
		val =
		    INPgetValue(ckt, line,
				((*(ft_sim->devices)[dev]).
				 instanceParms[i].dataType), tab);
		if (!val) {
		    rtn = (INPerror(E_PARMVAL));
		    goto quit;
		}
		error = (*(ft_sim->setInstanceParm)) (ckt, fast,
						      (*(ft_sim->devices)
						       [dev]).
						      instanceParms[i].id,
						      val,
						      (IFvalue *) NULL);
		if (error) {
		    rtn = (INPerror(error));
		    goto quit;
		}
		break;
	    }
	}
	if (i == (*(*(ft_sim->devices)[dev]).numInstanceParms)) {
	    errbuf = MALLOC(strlen(parm) + 25);
	    (void) sprintf(errbuf, " unknown parameter (%s) \n", parm);
	    rtn = (errbuf);
	    goto quit;
	}
	FREE(parm);
    }
quit:
   FREE(parm);
   return rtn;
}