[unix-history] / usr / src / cmd / tbl / t3.c

 /* t3.c: interpret commands affecting whole table */
# include "t..c"
struct optstr {char *optnam; int *optadd;} options [] = {
	"expand", &expflg,
	"EXPAND", &expflg,
	"center", &ctrflg,
	"CENTER", &ctrflg,
	"box", &boxflg,
	"BOX", &boxflg,
	"allbox", &allflg,
	"ALLBOX", &allflg,
	"doublebox", &dboxflg,
	"DOUBLEBOX", &dboxflg,
	"frame", &boxflg,
	"FRAME", &boxflg,
	"doubleframe", &dboxflg,
	"DOUBLEFRAME", &dboxflg,
	"tab", &tab,
	"TAB", &tab,
	"linesize", &linsize,
	"LINESIZE", &linsize,
	"delim", &delim1,
	"DELIM", &delim1,
	0,0};
getcomm()
{
char line[200], *cp, nb[25], *t;
struct optstr *lp;
int c, ci, found;
for(lp= options; lp->optnam; lp++)
	*(lp->optadd) = 0;
texname = texstr[texct=0];
tab = '\t';
printf(".nr %d \\n(.s\n", LSIZE);
gets1(line);
/* see if this is a command line */
if (index(line,';') == NULL)
	{
	backrest(line);
	return;
	}
for(cp=line; (c = *cp) != ';'; cp++)
	{
	if (!letter(c)) continue;
	found=0;
	for(lp= options; lp->optadd; lp++)
		{
		if (prefix(lp->optnam, cp))
			{
			*(lp->optadd) = 1;
			cp += strlen(lp->optnam);
			if (letter(*cp))
				error("Misspelled global option");
			while (*cp==' ')cp++;
			t=nb;
			if ( *cp == '(')
				while ((ci= *++cp) != ')')
					*t++ = ci;
			else cp--;
			*t++ = 0; *t=0;
			if (lp->optadd == &tab)
				{
				if (nb[0])
					*(lp->optadd) = nb[0];
				}
			if (lp->optadd == &linsize)
				printf(".nr %d %s\n", LSIZE, nb);
			if (lp->optadd == &delim1)
				{
				delim1 = nb[0];
				delim2 = nb[1];
				}
			found=1;
			break;
			}
		}
	if (!found)
		error("Illegal option");
	}
cp++;
backrest(cp);
return;
}
backrest(cp)
	char *cp;
{
char *s;
for(s=cp; *s; s++);
un1getc('\n');
while (s>cp)
	un1getc(*--s);
return;
}
Commit	Line	Data
6554f91c TL	1	/* t3.c: interpret commands affecting whole table */
	2	# include "t..c"
	3	struct optstr {char optnam; int optadd;} options [] = {
	4	"expand", &expflg,
	5	"EXPAND", &expflg,
	6	"center", &ctrflg,
	7	"CENTER", &ctrflg,
	8	"box", &boxflg,
	9	"BOX", &boxflg,
	10	"allbox", &allflg,
	11	"ALLBOX", &allflg,
	12	"doublebox", &dboxflg,
	13	"DOUBLEBOX", &dboxflg,
	14	"frame", &boxflg,
	15	"FRAME", &boxflg,
	16	"doubleframe", &dboxflg,
	17	"DOUBLEFRAME", &dboxflg,
	18	"tab", &tab,
	19	"TAB", &tab,
	20	"linesize", &linsize,
	21	"LINESIZE", &linsize,
	22	"delim", &delim1,
	23	"DELIM", &delim1,
	24	0,0};
	25	getcomm()
	26	{
	27	char line[200], cp, nb[25], t;
	28	struct optstr *lp;
	29	int c, ci, found;
	30	for(lp= options; lp->optnam; lp++)
	31	*(lp->optadd) = 0;
	32	texname = texstr[texct=0];
	33	tab = '\t';
	34	printf(".nr %d \\n(.s\n", LSIZE);
	35	gets1(line);
	36	/* see if this is a command line */
	37	if (index(line,';') == NULL)
	38	{
	39	backrest(line);
	40	return;
	41	}
	42	for(cp=line; (c = *cp) != ';'; cp++)
	43	{
	44	if (!letter(c)) continue;
	45	found=0;
	46	for(lp= options; lp->optadd; lp++)
	47	{
	48	if (prefix(lp->optnam, cp))
	49	{
	50	*(lp->optadd) = 1;
	51	cp += strlen(lp->optnam);
	52	if (letter(*cp))
	53	error("Misspelled global option");
	54	while (*cp==' ')cp++;
	55	t=nb;
	56	if ( *cp == '(')
	57	while ((ci= *++cp) != ')')
	58	*t++ = ci;
	59	else cp--;
	60	t++ = 0; t=0;
	61	if (lp->optadd == &tab)
	62	{
	63	if (nb[0])
	64	*(lp->optadd) = nb[0];
65	}
66	if (lp->optadd == &linsize)
67	printf(".nr %d %s\n", LSIZE, nb);
68	if (lp->optadd == &delim1)
69	{
70	delim1 = nb[0];
71	delim2 = nb[1];
72	}
73	found=1;
74	break;
75	}
76	}
77	if (!found)
78	error("Illegal option");
79	}
80	cp++;
81	backrest(cp);
82	return;
83	}
84	backrest(cp)
85	char *cp;
86	{
87	char *s;
88	for(s=cp; *s; s++);
89	un1getc('\n');
90	while (s>cp)
91	un1getc(*--s);
92	return;
93	}