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