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- /*
- * Copyright (c) 1983 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 3.36 (Berkeley) 6/6/90";
- #endif /* not lint */
-
- #include "defs.h"
- #include "string.h"
- #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*/
- }
-