ex_set.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/* Copyright (c) 1981 Regents of the University of California */
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.14 */
#include "ex.h"
#include "ex_temp.h"
#include "ex_tty.h"
/*
* Set command.
*/
unsigned char optname[ONMSZ];
set()
{
register unsigned char *cp;
register struct option *op;
register int c;
bool no;
extern short ospeed;
#ifdef TRACE
int k, label;
line *tmpadr;
#endif
setnoaddr();
if (skipend()) {
if (peekchar() != EOF)
ignchar();
propts();
return;
}
do {
cp = optname;
do {
if (cp < &optname[ONMSZ - 2])
*cp++ = getchar();
} while (isalnum(peekchar()));
*cp = 0;
cp = optname;
if (eq("all", cp)) {
if (inopen)
pofix();
prall();
goto next;
}
no = 0;
#ifdef TRACE
/*
* General purpose test code for looking at address of those
* invisible marks (as well as the visible ones).
*/
if (eq("marks",cp)) {
printf("Marks Address\n\r");
printf(" \n");
printf("\n");
for (k=0; k<=25; k++)
printf("Mark:%c\t%d\n",k+'a',names[k]);
goto next;
}
/*
* General purpose test code for looking at
* named registers.
*/
if (eq("named",cp)) {
if (inopen)
pofix();
shownam();
goto next;
}
/*
* General purpose test code for looking at
* numbered registers.
*/
if (eq("nbrreg",cp)) {
if (inopen)
pofix();
shownbr();
goto next;
}
/*
* General purpose test code for looking at addresses
* in the edit and save areas of VI.
*/
if (eq("buffers",cp)) {
if (inopen)
pofix();
printf("\nLabels Address Contents\n");
printf("====== ======= ========");
for (tmpadr = zero; tmpadr <= dol; tmpadr++) {
label =0;
if (tmpadr == zero) {
printf("ZERO:\t");
label = 2;
}
if (tmpadr == one) {
if (label > 0)
printf("\nONE:\t");
else
printf("ONE:\t");
label = 1;
}
if (tmpadr == dot) {
if (label > 0)
printf("\nDOT:\t");
else
printf("DOT:\t");
label = 1;
}
if (tmpadr == undap1) {
if (label > 0)
printf("\nUNDAP1:\t");
else
printf("UNDAP1:\t");
label = 1;
}
if (tmpadr == undap2) {
if (label > 0)
printf("\nUNDAP2:\t");
else
printf("UNDAP2:\t");
label = 1;
}
if (tmpadr == unddel) {
if (label > 0)
printf("\nUNDDEL:\t");
else
printf("UNDDEL:\t");
label = 1;
}
if (tmpadr == dol) {
if (label > 0)
printf("\nDOL:\t");
else
printf("DOL:\t");
label = 1;
}
for (k=0; k<=25; k++)
if (names[k] == (*tmpadr &~ 01)) {
if (label > 0)
printf("\nMark:%c\t%d\t",k+'a',names[k]);
else
printf("Mark:%c\t%d\t",k+'a',names[k]);
label=1;
}
if (label == 0)
continue;
if (label == 2)
printf("%d\n",tmpadr);
else {
printf("%d\t",tmpadr);
getline(*tmpadr);
pline(lineno(tmpadr));
putchar('\n');
}
}
for (tmpadr = dol+1; tmpadr <= unddol; tmpadr++) {
label =0;
if (tmpadr == dol+1) {
printf("DOL+1:\t");
label = 1;
}
if (tmpadr == unddel) {
if (label > 0)
printf("\nUNDDEL:\t");
else
printf("UNDDEL:\t");
label = 1;
}
if (tmpadr == unddol) {
if (label > 0)
printf("\nUNDDOL:\t");
else
printf("UNDDOL:\t");
label = 1;
}
for (k=0; k<=25; k++)
if (names[k] == (*tmpadr &~ 01)) {
if (label > 0)
printf("\nMark:%c\t%d\t",k+'a',names[k]);
else
printf("Mark:%c\t%d\t",k+'a',names[k]);
label=1;
}
if (label == 0)
continue;
if (label == 2)
printf("%d\n",tmpadr);
else {
printf("%d\t",tmpadr);
getline(*tmpadr);
pline(lineno(tmpadr));
putchar('\n');
}
}
goto next;
}
#endif
if (cp[0] == 'n' && cp[1] == 'o' && cp[2] != 'v') {
cp += 2;
no++;
}
/* Implement w300, w1200, and w9600 specially */
if (eq(cp, "w300")) {
if (ospeed >= B1200) {
dontset:
(void)getchar(); /* = */
(void)getnum(); /* value */
continue;
}
cp = (unsigned char *)"window";
} else if (eq(cp, "w1200")) {
if (ospeed < B1200 || ospeed >= B2400)
goto dontset;
cp = (unsigned char *)"window";
} else if (eq(cp, "w9600")) {
if (ospeed < B2400)
goto dontset;
cp = (unsigned char *)"window";
}
for (op = options; op < &options[vi_NOPTS]; op++)
if (eq(op->oname, cp) || op->oabbrev && eq(op->oabbrev, cp))
break;
if (op->oname == 0)
serror(value(vi_TERSE) ? gettext("%s: No such option") :
gettext("%s: No such option - 'set all' gives all option values"), cp);
c = skipwh();
if (peekchar() == '?') {
ignchar();
printone:
propt(op);
noonl();
goto next;
}
if (op->otype == ONOFF) {
op->ovalue = 1 - no;
if (op == &options[vi_PROMPT])
oprompt = 1 - no;
goto next;
}
if (no)
serror(gettext("Option %s is not a toggle"), op->oname);
if (c != 0 || setend())
goto printone;
if (getchar() != '=')
serror(value(vi_TERSE) ? gettext("Missing =") :
gettext("Missing = in assignment to option %s"), op->oname);
switch (op->otype) {
case NUMERIC:
if (!isdigit(peekchar()))
error(value(vi_TERSE) ?
gettext("Digits required") : gettext("Digits required after ="));
op->ovalue = getnum();
if (value(vi_TABSTOP) <= 0)
value(vi_TABSTOP) = TABS;
if (op == &options[vi_WINDOW]) {
if (value(vi_WINDOW) >= lines)
value(vi_WINDOW) = lines-1;
vsetsiz(value(vi_WINDOW));
}
break;
case STRING:
case OTERM:
cp = optname;
while (!setend()) {
if (cp >= &optname[ONMSZ])
error(value(vi_TERSE) ?
gettext("String too long") : gettext("String too long in option assignment"));
/* adb change: allow whitepace in strings */
if( (*cp = getchar()) == '\\')
if( peekchar() != EOF)
*cp = getchar();
cp++;
}
*cp = 0;
if (op->otype == OTERM) {
/*
* At first glance it seems like we shouldn't care if the terminal type
* is changed inside visual mode, as long as we assume the screen is
* a mess and redraw it. However, it's a much harder problem than that.
* If you happen to change from 1 crt to another that both have the same
* size screen, it's OK. But if the screen size if different, the stuff
* that gets initialized in vop() will be wrong. This could be overcome
* by redoing the initialization, e.g. making the first 90% of vop into
* a subroutine. However, the most useful case is where you forgot to do
* a setenv before you went into the editor and it thinks you're on a dumb
* terminal. Ex treats this like hardcopy and goes into HARDOPEN mode.
* This loses because the first part of vop calls oop in this case.
*/
if (inopen)
error(gettext("Can't change type of terminal from within open/visual"));
unterm();
setterm(optname);
} else {
CP(op->osvalue, optname);
op->odefault = 1;
}
break;
}
next:
flush();
} while (!skipend());
eol();
}
unterm()
{
/*
* All terminal mapped statements must be deleted.
* All user-defined mapped statements, cap=descr,
* are left unchanged.
*/
int i;
for (i=0; i < MAXNOMACS; i++) {
/*
* Unmap any terminal-defined arrow keys
*/
if (arrows[i].cap && arrows[i].descr &&
strcmp(arrows[i].cap, arrows[i].descr))
addmac(arrows[i].cap, NOSTR, NOSTR, arrows);
/*
* Unmap any terminal-defined function keys
*/
if (immacs[i].cap && immacs[i].descr && strcmp(immacs[i].cap, immacs[i].descr))
addmac(immacs[i].cap, NOSTR, NOSTR, immacs);
}
}
setend()
{
return (iswhite(peekchar()) || endcmd(peekchar()));
}
prall()
{
register int incr = (vi_NOPTS + 2) / 3;
register int rows = incr;
register struct option *op = options;
for (; rows; rows--, op++) {
propt(op);
gotab(24);
propt(&op[incr]);
if (&op[2*incr] < &options[vi_NOPTS]) {
gotab(56);
propt(&op[2 * incr]);
}
putNFL();
}
}
propts()
{
register struct option *op;
for (op = options; op < &options[vi_NOPTS]; op++) {
if (op == &options[vi_TTYTYPE])
continue;
switch (op->otype) {
case ONOFF:
case NUMERIC:
if (op->ovalue == op->odefault)
continue;
break;
case STRING:
if (op->odefault == 0)
continue;
break;
}
propt(op);
putchar(' ');
}
noonl();
flush();
}
propt(op)
register struct option *op;
{
register unsigned char *name;
name = (unsigned char *)op->oname;
switch (op->otype) {
case ONOFF:
printf("%s%s", op->ovalue ? "" : "no", name);
break;
case NUMERIC:
printf("%s=%d", name, op->ovalue);
break;
case STRING:
case OTERM:
printf("%s=%s", name, op->osvalue);
break;
}
}