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/* t3.c: interpret commands affecting whole table */
# include "t.h"
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}
};
void
getcomm(void)
{
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';
fprintf(tabout, ".nr %d \\n(.s\n", LSIZE);
gets1(line, sizeof(line));
/* see if this is a command line */
if (strchr(line, ';') == 0) {
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)
fprintf(tabout, ".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;
}
void
backrest(char *cp)
{
char *s;
for (s = cp; *s; s++)
;
un1getc('\n');
while (s > cp)
un1getc(*--s);
return;
}
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