freebsd-dev/usr.bin/window/lcmd1.c

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1994-05-27 12:33:43 +00:00
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Edward Wang at The University of California, Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)lcmd1.c 8.1 (Berkeley) 6/6/93";
2001-05-17 09:38:49 +00:00
static char rcsid[] =
"$FreeBSD$";
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#endif /* not lint */
#include "defs.h"
#include <string.h> /* System string definitions. */
#include "mystring.h" /* Local string definitions. */
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#include "value.h"
#include "lcmd.h"
#include "var.h"
struct lcmd_arg arg_window[] = {
{ "row", 1, ARG_NUM },
{ "column", 1, ARG_NUM },
{ "nrows", 2, ARG_NUM },
{ "ncols", 2, ARG_NUM },
{ "nlines", 2, ARG_NUM },
{ "label", 1, ARG_STR },
{ "pty", 1, ARG_ANY },
{ "frame", 1, ARG_ANY },
{ "mapnl", 1, ARG_ANY },
{ "keepopen", 1, ARG_ANY },
{ "smooth", 1, ARG_ANY },
{ "shell", 1, ARG_STR|ARG_LIST },
0
};
l_window(v, a)
struct value *v;
register struct value *a;
{
struct ww *w;
int col, row, ncol, nrow, id, nline;
char *label;
char haspty, hasframe, mapnl, keepopen, smooth;
char *shf, **sh;
char *argv[sizeof default_shell / sizeof *default_shell];
register char **pp;
if ((id = findid()) < 0)
return;
row = a->v_type == V_ERR ? 1 : a->v_num;
a++;
col = a->v_type == V_ERR ? 0 : a->v_num;
a++;
nrow = a->v_type == V_ERR ? wwnrow - row : a->v_num;
a++;
ncol = a->v_type == V_ERR ? wwncol - col : a->v_num;
a++;
nline = a->v_type == V_ERR ? default_nline : a->v_num;
a++;
label = a->v_type == V_ERR ? 0 : a->v_str;
if ((haspty = vtobool(++a, 1, -1)) < 0)
return;
if ((hasframe = vtobool(++a, 1, -1)) < 0)
return;
if ((mapnl = vtobool(++a, !haspty, -1)) < 0)
return;
if ((keepopen = vtobool(++a, 0, -1)) < 0)
return;
if ((smooth = vtobool(++a, default_smooth, -1)) < 0)
return;
if ((++a)->v_type != V_ERR) {
for (pp = argv; a->v_type != V_ERR &&
pp < &argv[sizeof argv/sizeof *argv-1]; pp++, a++)
*pp = a->v_str;
*pp = 0;
shf = *(sh = argv);
if (*sh = rindex(shf, '/'))
(*sh)++;
else
*sh = shf;
} else {
sh = default_shell;
shf = default_shellfile;
}
if ((w = openwin(id, row, col, nrow, ncol, nline, label, haspty,
hasframe, shf, sh)) == 0)
return;
w->ww_mapnl = mapnl;
w->ww_keepopen = keepopen;
w->ww_noupdate = !smooth;
v->v_type = V_NUM;
v->v_num = id + 1;
}
struct lcmd_arg arg_def_nline[] = {
{ "nlines", 1, ARG_NUM },
0
};
l_def_nline(v, a)
register struct value *v, *a;
{
v->v_num = default_nline;
v->v_type = V_NUM;
if (a->v_type != V_ERR)
default_nline = a->v_num;
}
struct lcmd_arg arg_smooth[] = {
{ "window", 1, ARG_NUM },
{ "flag", 1, ARG_ANY },
0
};
l_smooth(v, a)
register struct value *v, *a;
{
struct ww *w;
v->v_type = V_NUM;
v->v_num = 0;
if ((w = vtowin(a++, selwin)) == 0)
return;
v->v_num = !w->ww_noupdate;
w->ww_noupdate = !vtobool(a, v->v_num, v->v_num);
}
struct lcmd_arg arg_def_smooth[] = {
{ "flag", 1, ARG_ANY },
0
};
l_def_smooth(v, a)
register struct value *v, *a;
{
v->v_type = V_NUM;
v->v_num = default_smooth;
default_smooth = vtobool(a, v->v_num, v->v_num);
}
struct lcmd_arg arg_select[] = {
{ "window", 1, ARG_NUM },
0
};
l_select(v, a)
register struct value *v, *a;
{
struct ww *w;
v->v_type = V_NUM;
v->v_num = selwin ? selwin->ww_id + 1 : -1;
if (a->v_type == V_ERR)
return;
if ((w = vtowin(a, (struct ww *)0)) == 0)
return;
setselwin(w);
}
struct lcmd_arg arg_debug[] = {
{ "flag", 1, ARG_ANY },
0
};
l_debug(v, a)
register struct value *v, *a;
{
v->v_type = V_NUM;
v->v_num = debug;
debug = vtobool(a, debug, debug);
}
struct lcmd_arg arg_escape[] = {
{ "escapec", 1, ARG_STR },
0
};
l_escape(v, a)
register struct value *v, *a;
{
char buf[2];
buf[0] = escapec;
buf[1] = 0;
if ((v->v_str = str_cpy(buf)) == 0) {
error("Out of memory.");
return;
}
v->v_type = V_STR;
if (a->v_type != V_ERR)
setescape(a->v_str);
}
struct lcmd_arg arg_label[] = {
{ "window", 1, ARG_NUM },
{ "label", 1, ARG_STR },
0
};
/*ARGSUSED*/
l_label(v, a)
struct value *v;
register struct value *a;
{
struct ww *w;
if ((w = vtowin(a, selwin)) == 0)
return;
if ((++a)->v_type != V_ERR && setlabel(w, a->v_str) < 0)
error("Out of memory.");
reframe();
}
struct lcmd_arg arg_foreground[] = {
{ "window", 1, ARG_NUM },
{ "flag", 1, ARG_ANY },
0
};
l_foreground(v, a)
register struct value *v, *a;
{
struct ww *w;
char flag;
if ((w = vtowin(a, selwin)) == 0)
return;
v->v_type = V_NUM;
v->v_num = isfg(w);
flag = vtobool(++a, v->v_num, v->v_num);
if (flag == v->v_num)
return;
deletewin(w);
addwin(w, flag);
reframe();
}
struct lcmd_arg arg_terse[] = {
{ "flag", 1, ARG_ANY },
0
};
l_terse(v, a)
register struct value *v, *a;
{
v->v_type = V_NUM;
v->v_num = terse;
setterse(vtobool(a, terse, terse));
}
struct lcmd_arg arg_source[] = {
{ "filename", 1, ARG_STR },
0
};
l_source(v, a)
register struct value *v, *a;
{
v->v_type = V_NUM;
if (a->v_type != V_ERR && dosource(a->v_str) < 0) {
error("Can't open %s.", a->v_str);
v->v_num = -1;
} else
v->v_num = 0;
}
struct lcmd_arg arg_write[] = {
{ "window", 1, ARG_NUM },
{ "", 0, ARG_ANY|ARG_LIST },
0
};
/*ARGSUSED*/
l_write(v, a)
struct value *v;
register struct value *a;
{
char buf[20];
struct ww *w;
if ((w = vtowin(a++, selwin)) == 0)
return;
while (a->v_type != V_ERR) {
if (a->v_type == V_NUM) {
(void) sprintf(buf, "%d", a->v_num);
(void) write(w->ww_pty, buf, strlen(buf));
} else
(void) write(w->ww_pty, a->v_str, strlen(a->v_str));
if ((++a)->v_type != V_ERR)
(void) write(w->ww_pty, " ", 1);
}
}
struct lcmd_arg arg_close[] = {
{ "window", 1, ARG_ANY|ARG_LIST },
0
};
/*ARGSUSED*/
l_close(v, a)
struct value *v;
register struct value *a;
{
struct ww *w;
if (a->v_type == V_STR && str_match(a->v_str, "all", 3))
closewin((struct ww *)0);
else
for (; a->v_type != V_ERR; a++)
if ((w = vtowin(a, (struct ww *)0)) != 0)
closewin(w);
}
struct lcmd_arg arg_cursormodes[] = {
{ "modes", 1, ARG_NUM },
0
};
l_cursormodes(v, a)
register struct value *v, *a;
{
v->v_type = V_NUM;
v->v_num = wwcursormodes;
if (a->v_type != V_ERR)
wwsetcursormodes(a->v_num);
}
struct lcmd_arg arg_unset[] = {
{ "variable", 1, ARG_ANY },
0
};
l_unset(v, a)
register struct value *v, *a;
{
v->v_type = V_NUM;
switch (a->v_type) {
case V_ERR:
v->v_num = -1;
return;
case V_NUM:
if ((a->v_str = str_itoa(a->v_num)) == 0) {
error("Out of memory.");
v->v_num = -1;
return;
}
a->v_type = V_STR;
break;
}
v->v_num = var_unset(a->v_str);
}
struct ww *
vtowin(v, w)
register struct value *v;
struct ww *w;
{
switch (v->v_type) {
case V_ERR:
if (w != 0)
return w;
error("No window specified.");
return 0;
case V_STR:
error("%s: No such window.", v->v_str);
return 0;
}
if (v->v_num < 1 || v->v_num > NWINDOW
|| (w = window[v->v_num - 1]) == 0) {
error("%d: No such window.", v->v_num);
return 0;
}
return w;
}
vtobool(v, def, err)
register struct value *v;
char def, err;
{
switch (v->v_type) {
case V_NUM:
return v->v_num != 0;
case V_STR:
if (str_match(v->v_str, "true", 1)
|| str_match(v->v_str, "on", 2)
|| str_match(v->v_str, "yes", 1))
return 1;
else if (str_match(v->v_str, "false", 1)
|| str_match(v->v_str, "off", 2)
|| str_match(v->v_str, "no", 1))
return 0;
else {
error("%s: Illegal boolean value.", v->v_str);
return err;
}
/*NOTREACHED*/
case V_ERR:
return def;
}
/*NOTREACHED*/
}