--- ray/src/util/eplus_idf.c	2014/02/01 02:13:24	2.2
+++ ray/src/util/eplus_idf.c	2014/02/10 04:51:26	2.6
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: eplus_idf.c,v 2.2 2014/02/01 02:13:24 greg Exp $";
+static const char RCSid[] = "$Id: eplus_idf.c,v 2.6 2014/02/10 04:51:26 greg Exp $";
 #endif
 /*
  *  eplus_idf.c
@@ -44,6 +44,7 @@ idf_newparam(IDF_LOADED *idf, const char *pname, const
 	if (pnew == NULL)
 		return(NULL);
 	strcpy(pnew->rem, comm);
+	pnew->nfield = 0;
 	pnew->flist = NULL;
 	pnew->pname = pent->key;	/* add to table */
 	pnew->pnext = (IDF_PARAMETER *)pent->data;
@@ -76,7 +77,7 @@ idf_addfield(IDF_PARAMETER *param, const char *fval, c
 	if (fnew == NULL)
 		return(0);
 	fnew->next = NULL;
-	cp = fnew->arg;			/* copy argument and comments */
+	cp = fnew->val;			/* copy value and comments */
 	while ((*cp++ = *fval++))
 		;
 	fnew->rem = cp;
@@ -94,9 +95,24 @@ idf_addfield(IDF_PARAMETER *param, const char *fval, c
 		param->flist = fnew;
 	else
 		flast->next = fnew;
+	param->nfield++;
 	return(fnum);
 }
 
+/* Retrieve the indexed field from parameter (first field index is 1) */
+IDF_FIELD *
+idf_getfield(IDF_PARAMETER *param, int fn)
+{
+	IDF_FIELD	*fld;
+
+	if ((param == NULL) | (fn <= 0))
+		return(NULL);
+	fld = param->flist;
+	while ((--fn > 0) & (fld != NULL))
+		fld = fld->next;
+	return(fld);
+}
+
 /* Delete the specified parameter from loaded IDF */
 int
 idf_delparam(IDF_LOADED *idf, IDF_PARAMETER *param)
@@ -120,11 +136,9 @@ idf_delparam(IDF_LOADED *idf, IDF_PARAMETER *param)
 		plast->pnext = param->pnext;
 					/* remove from global list */
 	for (plast = NULL, pptr = idf->pfirst;
-				pptr != NULL; plast = pptr, pptr = pptr->dnext)
-		if (pptr == param)
-			break;
-	if (pptr == NULL)
-		return(0);
+				pptr != param; plast = pptr, pptr = pptr->dnext)
+		if (pptr == NULL)
+			return(0);
 	if (plast == NULL)
 		idf->pfirst = param->dnext;
 	else
@@ -141,6 +155,40 @@ idf_delparam(IDF_LOADED *idf, IDF_PARAMETER *param)
 	return(1);
 }
 
+/* Move the specified parameter to the given position in the IDF */
+int
+idf_movparam(IDF_LOADED *idf, IDF_PARAMETER *param, IDF_PARAMETER *prev)
+{
+	IDF_PARAMETER	*pptr, *plast;
+
+	if ((idf == NULL) | (param == NULL))
+		return(0);
+					/* find in IDF list, first*/
+	for (plast = NULL, pptr = idf->pfirst;
+				pptr != param; plast = pptr, pptr = pptr->dnext)
+		if (pptr == NULL)
+			return(0);
+	if (plast == NULL) {
+		if (prev == NULL)
+			return(1);	/* already in place */
+		idf->pfirst = param->dnext;
+	} else {
+		if (prev == plast)
+			return(1);	/* already in place */
+		plast->dnext = param->dnext;
+	}
+	if (idf->plast == param)
+		idf->plast = plast;
+	if (prev == NULL) {		/* means they want it at beginning */
+		param->dnext = idf->pfirst;
+		idf->pfirst = param;
+	} else {
+		param->dnext = prev->dnext;
+		prev->dnext = param;
+	}
+	return(1);
+}
+
 /* Get a named parameter list */
 IDF_PARAMETER *
 idf_getparam(IDF_LOADED *idf, const char *pname)
@@ -186,10 +234,9 @@ idf_read_comment(char *buf, int len, FILE *fp)
 		buf = &dummyc;
 		len = 1;
 	}
-	while ((c = getc(fp)) != EOF && isspace(c) | incomm) {
-		if (c == '!')
-			++incomm;
-		else if (c == '\n')
+	while ((c = getc(fp)) != EOF &&
+			(isspace(c) || (incomm += (c == '!')))) {
+		if (c == '\n')
 			incomm = 0;
 		if (cp-buf < len-1)
 			*cp++ = c;
@@ -217,7 +264,7 @@ idf_readparam(IDF_LOADED *idf, FILE *fp)
 			idf_addfield(pnew, abuf, cbuf);
 		}
 	if (delim != ';')
-		fprintf(stderr, "Expected ';' at end of parameter list\n");
+		fputs("Expected ';' at end of parameter list!\n", stderr);
 	return(pnew);
 }
 
@@ -256,11 +303,36 @@ idf_create(const char *hdrcomm)
 	return(idf);
 }
 
+/* Add comment(s) to header */
+int
+idf_add2hdr(IDF_LOADED *idf, const char *hdrcomm)
+{
+	int	olen, len;
+
+	if ((idf == NULL) | (hdrcomm == NULL))
+		return(0);
+	len = strlen(hdrcomm);
+	if (!len)
+		return(0);
+	if (idf->hrem == NULL)
+		olen = 0;
+	else
+		olen = strlen(idf->hrem);
+	if (olen)
+		idf->hrem = (char *)realloc(idf->hrem, olen+len+1);
+	else
+		idf->hrem = (char *)malloc(len+1);
+	if (idf->hrem == NULL)
+		return(0);
+	strcpy(idf->hrem+olen, hdrcomm);
+	return(1);
+}
+
 /* Load an Input Data File */
 IDF_LOADED *
 idf_load(const char *fname)
 {
-	char		*hdrcomm;
+	char		hdrcomm[256*IDF_MAXLINE];
 	FILE		*fp;
 	IDF_LOADED	*idf;
 
@@ -269,10 +341,8 @@ idf_load(const char *fname)
 	else if ((fp = fopen(fname, "r")) == NULL)
 		return(NULL);
 					/* read header comments */
-	hdrcomm = (char *)malloc(100*IDF_MAXLINE);
-	idf_read_comment(hdrcomm, 100*IDF_MAXLINE, fp);
+	idf_read_comment(hdrcomm, sizeof(hdrcomm), fp);
 	idf = idf_create(hdrcomm);	/* create IDF struct */
-	free(hdrcomm);
 	if (idf == NULL)
 		return(NULL);
 					/* read each parameter */
@@ -285,7 +355,7 @@ idf_load(const char *fname)
 
 /* Write a parameter and fields to an open file */
 int
-idf_writeparam(IDF_PARAMETER *param, FILE *fp)
+idf_writeparam(IDF_PARAMETER *param, FILE *fp, int incl_comm)
 {
 	IDF_FIELD	*fptr;
 
@@ -293,18 +363,24 @@ idf_writeparam(IDF_PARAMETER *param, FILE *fp)
 		return(0);
 	fputs(param->pname, fp);
 	fputc(',', fp);
-	fputs(param->rem, fp);
+	if (incl_comm)
+		fputs(param->rem, fp);
 	for (fptr = param->flist; fptr != NULL; fptr = fptr->next) {
-		fputs(fptr->arg, fp);
+		if (!incl_comm)
+			fputs("\n    ", fp);
+		fputs(fptr->val, fp);
 		fputc((fptr->next==NULL ? ';' : ','), fp);
-		fputs(fptr->rem, fp);
+		if (incl_comm)
+			fputs(fptr->rem, fp);
 	}
+	if (!incl_comm)
+		fputs("\n\n", fp);
 	return(!ferror(fp));
 }
 
 /* Write out an Input Data File */
 int
-idf_write(IDF_LOADED *idf, const char *fname)
+idf_write(IDF_LOADED *idf, const char *fname, int incl_comm)
 {
 	FILE		*fp;
 	IDF_PARAMETER	*pptr;
@@ -315,9 +391,10 @@ idf_write(IDF_LOADED *idf, const char *fname)
 		fp = stdout;		/* open file if not stdout */
 	else if ((fp = fopen(fname, "w")) == NULL)
 		return(0);
-	fputs(idf->hrem, fp);		/* write header then parameters */
+	if (incl_comm)
+		fputs(idf->hrem, fp);	/* write header then parameters */
 	for (pptr = idf->pfirst; pptr != NULL; pptr = pptr->dnext)
-		if (!idf_writeparam(pptr, fp)) {
+		if (!idf_writeparam(pptr, fp, incl_comm>0)) {
 			fclose(fp);
 			return(0);
 		}