1573 lines
37 KiB
C
1573 lines
37 KiB
C
/*-
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* Copyright (c) 1992, 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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* Christos Zoulas of Cornell University.
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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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* $NetBSD: term.c,v 1.31 2001/01/10 22:42:56 jdolecek Exp $
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*/
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#if !defined(lint) && !defined(SCCSID)
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static char sccsid[] = "@(#)term.c 8.2 (Berkeley) 4/30/95";
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#endif /* not lint && not SCCSID */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* term.c: Editor/termcap-curses interface
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* We have to declare a static variable here, since the
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* termcap putchar routine does not take an argument!
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*/
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#include "sys.h"
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#include <stdio.h>
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#include <signal.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <termcap.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include "el.h"
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/*
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* IMPORTANT NOTE: these routines are allowed to look at the current screen
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* and the current possition assuming that it is correct. If this is not
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* true, then the update will be WRONG! This is (should be) a valid
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* assumption...
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*/
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#define TC_BUFSIZE 2048
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#define GoodStr(a) (el->el_term.t_str[a] != NULL && \
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el->el_term.t_str[a][0] != '\0')
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#define Str(a) el->el_term.t_str[a]
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#define Val(a) el->el_term.t_val[a]
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#ifdef notdef
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private const struct {
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const char *b_name;
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int b_rate;
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} baud_rate[] = {
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#ifdef B0
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{ "0", B0 },
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#endif
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#ifdef B50
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{ "50", B50 },
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#endif
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#ifdef B75
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{ "75", B75 },
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#endif
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#ifdef B110
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{ "110", B110 },
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#endif
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#ifdef B134
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{ "134", B134 },
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#endif
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#ifdef B150
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{ "150", B150 },
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#endif
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#ifdef B200
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{ "200", B200 },
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#endif
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#ifdef B300
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{ "300", B300 },
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#endif
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#ifdef B600
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{ "600", B600 },
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#endif
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#ifdef B900
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{ "900", B900 },
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#endif
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#ifdef B1200
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{ "1200", B1200 },
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#endif
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#ifdef B1800
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{ "1800", B1800 },
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#endif
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#ifdef B2400
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{ "2400", B2400 },
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#endif
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#ifdef B3600
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{ "3600", B3600 },
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#endif
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#ifdef B4800
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{ "4800", B4800 },
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#endif
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#ifdef B7200
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{ "7200", B7200 },
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#endif
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#ifdef B9600
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{ "9600", B9600 },
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#endif
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#ifdef EXTA
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{ "19200", EXTA },
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#endif
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#ifdef B19200
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{ "19200", B19200 },
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#endif
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#ifdef EXTB
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{ "38400", EXTB },
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#endif
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#ifdef B38400
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{ "38400", B38400 },
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#endif
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{ NULL, 0 }
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};
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#endif
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private const struct termcapstr {
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const char *name;
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const char *long_name;
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} tstr[] = {
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#define T_al 0
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{ "al", "add new blank line" },
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#define T_bl 1
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{ "bl", "audible bell" },
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#define T_cd 2
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{ "cd", "clear to bottom" },
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#define T_ce 3
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{ "ce", "clear to end of line" },
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#define T_ch 4
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{ "ch", "cursor to horiz pos" },
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#define T_cl 5
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{ "cl", "clear screen" },
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#define T_dc 6
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{ "dc", "delete a character" },
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#define T_dl 7
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{ "dl", "delete a line" },
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#define T_dm 8
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{ "dm", "start delete mode" },
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#define T_ed 9
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{ "ed", "end delete mode" },
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#define T_ei 10
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{ "ei", "end insert mode" },
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#define T_fs 11
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{ "fs", "cursor from status line" },
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#define T_ho 12
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{ "ho", "home cursor" },
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#define T_ic 13
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{ "ic", "insert character" },
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#define T_im 14
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{ "im", "start insert mode" },
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#define T_ip 15
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{ "ip", "insert padding" },
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#define T_kd 16
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{ "kd", "sends cursor down" },
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#define T_kl 17
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{ "kl", "sends cursor left" },
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#define T_kr 18
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{ "kr", "sends cursor right" },
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#define T_ku 19
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{ "ku", "sends cursor up" },
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#define T_md 20
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{ "md", "begin bold" },
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#define T_me 21
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{ "me", "end attributes" },
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#define T_nd 22
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{ "nd", "non destructive space" },
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#define T_se 23
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{ "se", "end standout" },
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#define T_so 24
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{ "so", "begin standout" },
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#define T_ts 25
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{ "ts", "cursor to status line" },
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#define T_up 26
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{ "up", "cursor up one" },
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#define T_us 27
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{ "us", "begin underline" },
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#define T_ue 28
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{ "ue", "end underline" },
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#define T_vb 29
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{ "vb", "visible bell" },
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#define T_DC 30
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{ "DC", "delete multiple chars" },
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#define T_DO 31
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{ "DO", "cursor down multiple" },
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#define T_IC 32
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{ "IC", "insert multiple chars" },
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#define T_LE 33
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{ "LE", "cursor left multiple" },
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#define T_RI 34
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{ "RI", "cursor right multiple" },
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#define T_UP 35
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{ "UP", "cursor up multiple" },
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#define T_kh 36
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{ "kh", "send cursor home" },
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#define T_at7 37
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{ "@7", "send cursor end" },
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#define T_str 38
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{ NULL, NULL }
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};
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private const struct termcapval {
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const char *name;
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const char *long_name;
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} tval[] = {
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#define T_am 0
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{ "am", "has automatic margins" },
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#define T_pt 1
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{ "pt", "has physical tabs" },
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#define T_li 2
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{ "li", "Number of lines" },
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#define T_co 3
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{ "co", "Number of columns" },
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#define T_km 4
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{ "km", "Has meta key" },
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#define T_xt 5
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{ "xt", "Tab chars destructive" },
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#define T_xn 6
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{ "xn", "newline ignored at right margin" },
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#define T_MT 7
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{ "MT", "Has meta key" }, /* XXX? */
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#define T_val 8
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{ NULL, NULL, }
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};
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/* do two or more of the attributes use me */
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private void term_setflags(EditLine *);
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private int term_rebuffer_display(EditLine *);
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private void term_free_display(EditLine *);
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private int term_alloc_display(EditLine *);
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private void term_alloc(EditLine *, const struct termcapstr *, char *);
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private void term_init_arrow(EditLine *);
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private void term_reset_arrow(EditLine *);
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private FILE *term_outfile = NULL; /* XXX: How do we fix that? */
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/* term_setflags():
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* Set the terminal capability flags
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*/
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private void
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term_setflags(EditLine *el)
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{
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EL_FLAGS = 0;
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if (el->el_tty.t_tabs)
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EL_FLAGS |= (Val(T_pt) && !Val(T_xt)) ? TERM_CAN_TAB : 0;
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EL_FLAGS |= (Val(T_km) || Val(T_MT)) ? TERM_HAS_META : 0;
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EL_FLAGS |= GoodStr(T_ce) ? TERM_CAN_CEOL : 0;
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EL_FLAGS |= (GoodStr(T_dc) || GoodStr(T_DC)) ? TERM_CAN_DELETE : 0;
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EL_FLAGS |= (GoodStr(T_im) || GoodStr(T_ic) || GoodStr(T_IC)) ?
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TERM_CAN_INSERT : 0;
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EL_FLAGS |= (GoodStr(T_up) || GoodStr(T_UP)) ? TERM_CAN_UP : 0;
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EL_FLAGS |= Val(T_am) ? TERM_HAS_AUTO_MARGINS : 0;
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EL_FLAGS |= Val(T_xn) ? TERM_HAS_MAGIC_MARGINS : 0;
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if (GoodStr(T_me) && GoodStr(T_ue))
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EL_FLAGS |= (strcmp(Str(T_me), Str(T_ue)) == 0) ?
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TERM_CAN_ME : 0;
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else
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EL_FLAGS &= ~TERM_CAN_ME;
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if (GoodStr(T_me) && GoodStr(T_se))
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EL_FLAGS |= (strcmp(Str(T_me), Str(T_se)) == 0) ?
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TERM_CAN_ME : 0;
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#ifdef DEBUG_SCREEN
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if (!EL_CAN_UP) {
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(void) fprintf(el->el_errfile,
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"WARNING: Your terminal cannot move up.\n");
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(void) fprintf(el->el_errfile,
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"Editing may be odd for long lines.\n");
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}
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if (!EL_CAN_CEOL)
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(void) fprintf(el->el_errfile, "no clear EOL capability.\n");
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if (!EL_CAN_DELETE)
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(void) fprintf(el->el_errfile, "no delete char capability.\n");
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if (!EL_CAN_INSERT)
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(void) fprintf(el->el_errfile, "no insert char capability.\n");
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#endif /* DEBUG_SCREEN */
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}
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/* term_init():
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* Initialize the terminal stuff
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*/
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protected int
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term_init(EditLine *el)
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{
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el->el_term.t_buf = (char *) el_malloc(TC_BUFSIZE);
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if (el->el_term.t_buf == NULL)
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return (-1);
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el->el_term.t_cap = (char *) el_malloc(TC_BUFSIZE);
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if (el->el_term.t_cap == NULL)
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return (-1);
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el->el_term.t_fkey = (fkey_t *) el_malloc(A_K_NKEYS * sizeof(fkey_t));
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if (el->el_term.t_fkey == NULL)
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return (-1);
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el->el_term.t_loc = 0;
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el->el_term.t_str = (char **) el_malloc(T_str * sizeof(char *));
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if (el->el_term.t_str == NULL)
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return (-1);
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(void) memset(el->el_term.t_str, 0, T_str * sizeof(char *));
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el->el_term.t_val = (int *) el_malloc(T_val * sizeof(int));
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if (el->el_term.t_val == NULL)
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return (-1);
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(void) memset(el->el_term.t_val, 0, T_val * sizeof(int));
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term_outfile = el->el_outfile;
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term_init_arrow(el);
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if (term_set(el, NULL) == -1)
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return (-1);
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return (0);
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}
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/* term_end():
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* Clean up the terminal stuff
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*/
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protected void
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term_end(EditLine *el)
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{
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el_free((ptr_t) el->el_term.t_buf);
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el->el_term.t_buf = NULL;
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el_free((ptr_t) el->el_term.t_cap);
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el->el_term.t_cap = NULL;
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el->el_term.t_loc = 0;
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el_free((ptr_t) el->el_term.t_str);
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el->el_term.t_str = NULL;
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el_free((ptr_t) el->el_term.t_val);
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el->el_term.t_val = NULL;
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term_free_display(el);
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}
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/* term_alloc():
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* Maintain a string pool for termcap strings
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*/
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private void
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term_alloc(EditLine *el, const struct termcapstr *t, char *cap)
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{
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char termbuf[TC_BUFSIZE];
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int tlen, clen;
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char **tlist = el->el_term.t_str;
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char **tmp, **str = &tlist[t - tstr];
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if (cap == NULL || *cap == '\0') {
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*str = NULL;
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return;
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} else
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clen = strlen(cap);
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tlen = *str == NULL ? 0 : strlen(*str);
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/*
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* New string is shorter; no need to allocate space
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*/
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if (clen <= tlen) {
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(void) strcpy(*str, cap); /* XXX strcpy is safe */
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return;
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}
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/*
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* New string is longer; see if we have enough space to append
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*/
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if (el->el_term.t_loc + 3 < TC_BUFSIZE) {
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/* XXX strcpy is safe */
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(void) strcpy(*str = &el->el_term.t_buf[el->el_term.t_loc],
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cap);
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el->el_term.t_loc += clen + 1; /* one for \0 */
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return;
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}
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/*
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* Compact our buffer; no need to check compaction, cause we know it
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* fits...
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*/
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tlen = 0;
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for (tmp = tlist; tmp < &tlist[T_str]; tmp++)
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if (*tmp != NULL && *tmp != '\0' && *tmp != *str) {
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char *ptr;
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for (ptr = *tmp; *ptr != '\0'; termbuf[tlen++] = *ptr++)
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continue;
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termbuf[tlen++] = '\0';
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}
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memcpy(el->el_term.t_buf, termbuf, TC_BUFSIZE);
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el->el_term.t_loc = tlen;
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if (el->el_term.t_loc + 3 >= TC_BUFSIZE) {
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(void) fprintf(el->el_errfile,
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"Out of termcap string space.\n");
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return;
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}
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/* XXX strcpy is safe */
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(void) strcpy(*str = &el->el_term.t_buf[el->el_term.t_loc], cap);
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el->el_term.t_loc += clen + 1; /* one for \0 */
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return;
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}
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/* term_rebuffer_display():
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* Rebuffer the display after the screen changed size
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*/
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private int
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term_rebuffer_display(EditLine *el)
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{
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coord_t *c = &el->el_term.t_size;
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term_free_display(el);
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c->h = Val(T_co);
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c->v = Val(T_li);
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if (term_alloc_display(el) == -1)
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return (-1);
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return (0);
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}
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/* term_alloc_display():
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* Allocate a new display.
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*/
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private int
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term_alloc_display(EditLine *el)
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{
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int i;
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char **b;
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coord_t *c = &el->el_term.t_size;
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b = (char **) el_malloc((size_t) (sizeof(char *) * (c->v + 1)));
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if (b == NULL)
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return (-1);
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for (i = 0; i < c->v; i++) {
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b[i] = (char *) el_malloc((size_t) (sizeof(char) * (c->h + 1)));
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if (b[i] == NULL)
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return (-1);
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}
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b[c->v] = NULL;
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el->el_display = b;
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b = (char **) el_malloc((size_t) (sizeof(char *) * (c->v + 1)));
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if (b == NULL)
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return (-1);
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for (i = 0; i < c->v; i++) {
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b[i] = (char *) el_malloc((size_t) (sizeof(char) * (c->h + 1)));
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if (b[i] == NULL)
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return (-1);
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}
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b[c->v] = NULL;
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el->el_vdisplay = b;
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return (0);
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}
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/* term_free_display():
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* Free the display buffers
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*/
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private void
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term_free_display(EditLine *el)
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{
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char **b;
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char **bufp;
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b = el->el_display;
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el->el_display = NULL;
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if (b != NULL) {
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for (bufp = b; *bufp != NULL; bufp++)
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el_free((ptr_t) * bufp);
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el_free((ptr_t) b);
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}
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b = el->el_vdisplay;
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el->el_vdisplay = NULL;
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if (b != NULL) {
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for (bufp = b; *bufp != NULL; bufp++)
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el_free((ptr_t) * bufp);
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el_free((ptr_t) b);
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}
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}
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/* term_move_to_line():
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* move to line <where> (first line == 0)
|
|
* as efficiently as possible
|
|
*/
|
|
protected void
|
|
term_move_to_line(EditLine *el, int where)
|
|
{
|
|
int del;
|
|
|
|
if (where == el->el_cursor.v)
|
|
return;
|
|
|
|
if (where > el->el_term.t_size.v) {
|
|
#ifdef DEBUG_SCREEN
|
|
(void) fprintf(el->el_errfile,
|
|
"term_move_to_line: where is ridiculous: %d\r\n", where);
|
|
#endif /* DEBUG_SCREEN */
|
|
return;
|
|
}
|
|
if ((del = where - el->el_cursor.v) > 0) {
|
|
while (del > 0) {
|
|
if (EL_HAS_AUTO_MARGINS &&
|
|
el->el_display[el->el_cursor.v][0] != '\0') {
|
|
/* move without newline */
|
|
term_move_to_char(el, el->el_term.t_size.h - 1);
|
|
term_overwrite(el,
|
|
&el->el_display[el->el_cursor.v][el->el_cursor.h],
|
|
1);
|
|
/* updates Cursor */
|
|
del--;
|
|
} else {
|
|
if ((del > 1) && GoodStr(T_DO)) {
|
|
(void) tputs(tgoto(Str(T_DO), del, del),
|
|
del, term__putc);
|
|
del = 0;
|
|
} else {
|
|
for (; del > 0; del--)
|
|
term__putc('\n');
|
|
/* because the \n will become \r\n */
|
|
el->el_cursor.h = 0;
|
|
}
|
|
}
|
|
}
|
|
} else { /* del < 0 */
|
|
if (GoodStr(T_UP) && (-del > 1 || !GoodStr(T_up)))
|
|
(void) tputs(tgoto(Str(T_UP), -del, -del), -del,
|
|
term__putc);
|
|
else {
|
|
if (GoodStr(T_up))
|
|
for (; del < 0; del++)
|
|
(void) tputs(Str(T_up), 1, term__putc);
|
|
}
|
|
}
|
|
el->el_cursor.v = where;/* now where is here */
|
|
}
|
|
|
|
|
|
/* term_move_to_char():
|
|
* Move to the character position specified
|
|
*/
|
|
protected void
|
|
term_move_to_char(EditLine *el, int where)
|
|
{
|
|
int del, i;
|
|
|
|
mc_again:
|
|
if (where == el->el_cursor.h)
|
|
return;
|
|
|
|
if (where > el->el_term.t_size.h) {
|
|
#ifdef DEBUG_SCREEN
|
|
(void) fprintf(el->el_errfile,
|
|
"term_move_to_char: where is riduculous: %d\r\n", where);
|
|
#endif /* DEBUG_SCREEN */
|
|
return;
|
|
}
|
|
if (!where) { /* if where is first column */
|
|
term__putc('\r'); /* do a CR */
|
|
el->el_cursor.h = 0;
|
|
return;
|
|
}
|
|
del = where - el->el_cursor.h;
|
|
|
|
if ((del < -4 || del > 4) && GoodStr(T_ch))
|
|
/* go there directly */
|
|
(void) tputs(tgoto(Str(T_ch), where, where), where, term__putc);
|
|
else {
|
|
if (del > 0) { /* moving forward */
|
|
if ((del > 4) && GoodStr(T_RI))
|
|
(void) tputs(tgoto(Str(T_RI), del, del),
|
|
del, term__putc);
|
|
else {
|
|
/* if I can do tabs, use them */
|
|
if (EL_CAN_TAB) {
|
|
if ((el->el_cursor.h & 0370) !=
|
|
(where & 0370)) {
|
|
/* if not within tab stop */
|
|
for (i =
|
|
(el->el_cursor.h & 0370);
|
|
i < (where & 0370);
|
|
i += 8)
|
|
term__putc('\t');
|
|
/* then tab over */
|
|
el->el_cursor.h = where & 0370;
|
|
}
|
|
}
|
|
/*
|
|
* it's usually cheaper to just write the
|
|
* chars, so we do.
|
|
*/
|
|
/*
|
|
* NOTE THAT term_overwrite() WILL CHANGE
|
|
* el->el_cursor.h!!!
|
|
*/
|
|
term_overwrite(el,
|
|
&el->el_display[el->el_cursor.v][el->el_cursor.h],
|
|
where - el->el_cursor.h);
|
|
|
|
}
|
|
} else { /* del < 0 := moving backward */
|
|
if ((-del > 4) && GoodStr(T_LE))
|
|
(void) tputs(tgoto(Str(T_LE), -del, -del),
|
|
-del, term__putc);
|
|
else { /* can't go directly there */
|
|
/*
|
|
* if the "cost" is greater than the "cost"
|
|
* from col 0
|
|
*/
|
|
if (EL_CAN_TAB ?
|
|
(-del > (((unsigned int) where >> 3) +
|
|
(where & 07)))
|
|
: (-del > where)) {
|
|
term__putc('\r'); /* do a CR */
|
|
el->el_cursor.h = 0;
|
|
goto mc_again; /* and try again */
|
|
}
|
|
for (i = 0; i < -del; i++)
|
|
term__putc('\b');
|
|
}
|
|
}
|
|
}
|
|
el->el_cursor.h = where; /* now where is here */
|
|
}
|
|
|
|
|
|
/* term_overwrite():
|
|
* Overstrike num characters
|
|
*/
|
|
protected void
|
|
term_overwrite(EditLine *el, char *cp, int n)
|
|
{
|
|
if (n <= 0)
|
|
return; /* catch bugs */
|
|
|
|
if (n > el->el_term.t_size.h) {
|
|
#ifdef DEBUG_SCREEN
|
|
(void) fprintf(el->el_errfile,
|
|
"term_overwrite: n is riduculous: %d\r\n", n);
|
|
#endif /* DEBUG_SCREEN */
|
|
return;
|
|
}
|
|
do {
|
|
term__putc(*cp++);
|
|
el->el_cursor.h++;
|
|
} while (--n);
|
|
|
|
if (el->el_cursor.h >= el->el_term.t_size.h) { /* wrap? */
|
|
if (EL_HAS_AUTO_MARGINS) { /* yes */
|
|
el->el_cursor.h = 0;
|
|
el->el_cursor.v++;
|
|
if (EL_HAS_MAGIC_MARGINS) {
|
|
/* force the wrap to avoid the "magic"
|
|
* situation */
|
|
char c;
|
|
if ((c = el->el_display[el->el_cursor.v][el->el_cursor.h])
|
|
!= '\0')
|
|
term_overwrite(el, &c, 1);
|
|
else
|
|
term__putc(' ');
|
|
el->el_cursor.h = 1;
|
|
}
|
|
} else /* no wrap, but cursor stays on screen */
|
|
el->el_cursor.h = el->el_term.t_size.h;
|
|
}
|
|
}
|
|
|
|
|
|
/* term_deletechars():
|
|
* Delete num characters
|
|
*/
|
|
protected void
|
|
term_deletechars(EditLine *el, int num)
|
|
{
|
|
if (num <= 0)
|
|
return;
|
|
|
|
if (!EL_CAN_DELETE) {
|
|
#ifdef DEBUG_EDIT
|
|
(void) fprintf(el->el_errfile, " ERROR: cannot delete \n");
|
|
#endif /* DEBUG_EDIT */
|
|
return;
|
|
}
|
|
if (num > el->el_term.t_size.h) {
|
|
#ifdef DEBUG_SCREEN
|
|
(void) fprintf(el->el_errfile,
|
|
"term_deletechars: num is riduculous: %d\r\n", num);
|
|
#endif /* DEBUG_SCREEN */
|
|
return;
|
|
}
|
|
if (GoodStr(T_DC)) /* if I have multiple delete */
|
|
if ((num > 1) || !GoodStr(T_dc)) { /* if dc would be more
|
|
* expen. */
|
|
(void) tputs(tgoto(Str(T_DC), num, num),
|
|
num, term__putc);
|
|
return;
|
|
}
|
|
if (GoodStr(T_dm)) /* if I have delete mode */
|
|
(void) tputs(Str(T_dm), 1, term__putc);
|
|
|
|
if (GoodStr(T_dc)) /* else do one at a time */
|
|
while (num--)
|
|
(void) tputs(Str(T_dc), 1, term__putc);
|
|
|
|
if (GoodStr(T_ed)) /* if I have delete mode */
|
|
(void) tputs(Str(T_ed), 1, term__putc);
|
|
}
|
|
|
|
|
|
/* term_insertwrite():
|
|
* Puts terminal in insert character mode or inserts num
|
|
* characters in the line
|
|
*/
|
|
protected void
|
|
term_insertwrite(EditLine *el, char *cp, int num)
|
|
{
|
|
if (num <= 0)
|
|
return;
|
|
if (!EL_CAN_INSERT) {
|
|
#ifdef DEBUG_EDIT
|
|
(void) fprintf(el->el_errfile, " ERROR: cannot insert \n");
|
|
#endif /* DEBUG_EDIT */
|
|
return;
|
|
}
|
|
if (num > el->el_term.t_size.h) {
|
|
#ifdef DEBUG_SCREEN
|
|
(void) fprintf(el->el_errfile,
|
|
"StartInsert: num is riduculous: %d\r\n", num);
|
|
#endif /* DEBUG_SCREEN */
|
|
return;
|
|
}
|
|
if (GoodStr(T_IC)) /* if I have multiple insert */
|
|
if ((num > 1) || !GoodStr(T_ic)) {
|
|
/* if ic would be more expensive */
|
|
(void) tputs(tgoto(Str(T_IC), num, num),
|
|
num, term__putc);
|
|
term_overwrite(el, cp, num);
|
|
/* this updates el_cursor.h */
|
|
return;
|
|
}
|
|
if (GoodStr(T_im) && GoodStr(T_ei)) { /* if I have insert mode */
|
|
(void) tputs(Str(T_im), 1, term__putc);
|
|
|
|
el->el_cursor.h += num;
|
|
do
|
|
term__putc(*cp++);
|
|
while (--num);
|
|
|
|
if (GoodStr(T_ip)) /* have to make num chars insert */
|
|
(void) tputs(Str(T_ip), 1, term__putc);
|
|
|
|
(void) tputs(Str(T_ei), 1, term__putc);
|
|
return;
|
|
}
|
|
do {
|
|
if (GoodStr(T_ic)) /* have to make num chars insert */
|
|
(void) tputs(Str(T_ic), 1, term__putc);
|
|
/* insert a char */
|
|
|
|
term__putc(*cp++);
|
|
|
|
el->el_cursor.h++;
|
|
|
|
if (GoodStr(T_ip)) /* have to make num chars insert */
|
|
(void) tputs(Str(T_ip), 1, term__putc);
|
|
/* pad the inserted char */
|
|
|
|
} while (--num);
|
|
}
|
|
|
|
|
|
/* term_clear_EOL():
|
|
* clear to end of line. There are num characters to clear
|
|
*/
|
|
protected void
|
|
term_clear_EOL(EditLine *el, int num)
|
|
{
|
|
int i;
|
|
|
|
if (EL_CAN_CEOL && GoodStr(T_ce))
|
|
(void) tputs(Str(T_ce), 1, term__putc);
|
|
else {
|
|
for (i = 0; i < num; i++)
|
|
term__putc(' ');
|
|
el->el_cursor.h += num; /* have written num spaces */
|
|
}
|
|
}
|
|
|
|
|
|
/* term_clear_screen():
|
|
* Clear the screen
|
|
*/
|
|
protected void
|
|
term_clear_screen(EditLine *el)
|
|
{ /* clear the whole screen and home */
|
|
|
|
if (GoodStr(T_cl))
|
|
/* send the clear screen code */
|
|
(void) tputs(Str(T_cl), Val(T_li), term__putc);
|
|
else if (GoodStr(T_ho) && GoodStr(T_cd)) {
|
|
(void) tputs(Str(T_ho), Val(T_li), term__putc); /* home */
|
|
/* clear to bottom of screen */
|
|
(void) tputs(Str(T_cd), Val(T_li), term__putc);
|
|
} else {
|
|
term__putc('\r');
|
|
term__putc('\n');
|
|
}
|
|
}
|
|
|
|
|
|
/* term_beep():
|
|
* Beep the way the terminal wants us
|
|
*/
|
|
protected void
|
|
term_beep(EditLine *el)
|
|
{
|
|
if (GoodStr(T_bl))
|
|
/* what termcap says we should use */
|
|
(void) tputs(Str(T_bl), 1, term__putc);
|
|
else
|
|
term__putc('\007'); /* an ASCII bell; ^G */
|
|
}
|
|
|
|
|
|
#ifdef notdef
|
|
/* term_clear_to_bottom():
|
|
* Clear to the bottom of the screen
|
|
*/
|
|
protected void
|
|
term_clear_to_bottom(EditLine *el)
|
|
{
|
|
if (GoodStr(T_cd))
|
|
(void) tputs(Str(T_cd), Val(T_li), term__putc);
|
|
else if (GoodStr(T_ce))
|
|
(void) tputs(Str(T_ce), Val(T_li), term__putc);
|
|
}
|
|
#endif
|
|
|
|
|
|
/* term_set():
|
|
* Read in the terminal capabilities from the requested terminal
|
|
*/
|
|
protected int
|
|
term_set(EditLine *el, char *term)
|
|
{
|
|
int i;
|
|
char buf[TC_BUFSIZE];
|
|
char *area;
|
|
const struct termcapstr *t;
|
|
sigset_t oset, nset;
|
|
int lins, cols;
|
|
|
|
(void) sigemptyset(&nset);
|
|
(void) sigaddset(&nset, SIGWINCH);
|
|
(void) sigprocmask(SIG_BLOCK, &nset, &oset);
|
|
|
|
area = buf;
|
|
|
|
|
|
if (term == NULL)
|
|
term = getenv("TERM");
|
|
|
|
if (!term || !term[0])
|
|
term = "dumb";
|
|
|
|
if (strcmp(term, "emacs") == 0)
|
|
el->el_flags |= EDIT_DISABLED;
|
|
|
|
memset(el->el_term.t_cap, 0, TC_BUFSIZE);
|
|
|
|
i = tgetent(el->el_term.t_cap, term);
|
|
|
|
if (i <= 0) {
|
|
if (i == -1)
|
|
(void) fprintf(el->el_errfile,
|
|
"Cannot read termcap database;\n");
|
|
else if (i == 0)
|
|
(void) fprintf(el->el_errfile,
|
|
"No entry for terminal type \"%s\";\n", term);
|
|
(void) fprintf(el->el_errfile,
|
|
"using dumb terminal settings.\n");
|
|
Val(T_co) = 80; /* do a dumb terminal */
|
|
Val(T_pt) = Val(T_km) = Val(T_li) = 0;
|
|
Val(T_xt) = Val(T_MT);
|
|
for (t = tstr; t->name != NULL; t++)
|
|
term_alloc(el, t, NULL);
|
|
} else {
|
|
/* auto/magic margins */
|
|
Val(T_am) = tgetflag("am");
|
|
Val(T_xn) = tgetflag("xn");
|
|
/* Can we tab */
|
|
Val(T_pt) = tgetflag("pt");
|
|
Val(T_xt) = tgetflag("xt");
|
|
/* do we have a meta? */
|
|
Val(T_km) = tgetflag("km");
|
|
Val(T_MT) = tgetflag("MT");
|
|
/* Get the size */
|
|
Val(T_co) = tgetnum("co");
|
|
Val(T_li) = tgetnum("li");
|
|
for (t = tstr; t->name != NULL; t++)
|
|
term_alloc(el, t, tgetstr(t->name, &area));
|
|
}
|
|
|
|
if (Val(T_co) < 2)
|
|
Val(T_co) = 80; /* just in case */
|
|
if (Val(T_li) < 1)
|
|
Val(T_li) = 24;
|
|
|
|
el->el_term.t_size.v = Val(T_co);
|
|
el->el_term.t_size.h = Val(T_li);
|
|
|
|
term_setflags(el);
|
|
|
|
/* get the correct window size */
|
|
(void) term_get_size(el, &lins, &cols);
|
|
if (term_change_size(el, lins, cols) == -1)
|
|
return (-1);
|
|
(void) sigprocmask(SIG_SETMASK, &oset, NULL);
|
|
term_bind_arrow(el);
|
|
return (i <= 0 ? -1 : 0);
|
|
}
|
|
|
|
|
|
/* term_get_size():
|
|
* Return the new window size in lines and cols, and
|
|
* true if the size was changed.
|
|
*/
|
|
protected int
|
|
term_get_size(EditLine *el, int *lins, int *cols)
|
|
{
|
|
|
|
*cols = Val(T_co);
|
|
*lins = Val(T_li);
|
|
|
|
#ifdef TIOCGWINSZ
|
|
{
|
|
struct winsize ws;
|
|
if (ioctl(el->el_infd, TIOCGWINSZ, (ioctl_t) & ws) != -1) {
|
|
if (ws.ws_col)
|
|
*cols = ws.ws_col;
|
|
if (ws.ws_row)
|
|
*lins = ws.ws_row;
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef TIOCGSIZE
|
|
{
|
|
struct ttysize ts;
|
|
if (ioctl(el->el_infd, TIOCGSIZE, (ioctl_t) & ts) != -1) {
|
|
if (ts.ts_cols)
|
|
*cols = ts.ts_cols;
|
|
if (ts.ts_lines)
|
|
*lins = ts.ts_lines;
|
|
}
|
|
}
|
|
#endif
|
|
return (Val(T_co) != *cols || Val(T_li) != *lins);
|
|
}
|
|
|
|
|
|
/* term_change_size():
|
|
* Change the size of the terminal
|
|
*/
|
|
protected int
|
|
term_change_size(EditLine *el, int lins, int cols)
|
|
{
|
|
/*
|
|
* Just in case
|
|
*/
|
|
Val(T_co) = (cols < 2) ? 80 : cols;
|
|
Val(T_li) = (lins < 1) ? 24 : lins;
|
|
|
|
/* re-make display buffers */
|
|
if (term_rebuffer_display(el) == -1)
|
|
return (-1);
|
|
re_clear_display(el);
|
|
return (0);
|
|
}
|
|
|
|
|
|
/* term_init_arrow():
|
|
* Initialize the arrow key bindings from termcap
|
|
*/
|
|
private void
|
|
term_init_arrow(EditLine *el)
|
|
{
|
|
fkey_t *arrow = el->el_term.t_fkey;
|
|
|
|
arrow[A_K_DN].name = "down";
|
|
arrow[A_K_DN].key = T_kd;
|
|
arrow[A_K_DN].fun.cmd = ED_NEXT_HISTORY;
|
|
arrow[A_K_DN].type = XK_CMD;
|
|
|
|
arrow[A_K_UP].name = "up";
|
|
arrow[A_K_UP].key = T_ku;
|
|
arrow[A_K_UP].fun.cmd = ED_PREV_HISTORY;
|
|
arrow[A_K_UP].type = XK_CMD;
|
|
|
|
arrow[A_K_LT].name = "left";
|
|
arrow[A_K_LT].key = T_kl;
|
|
arrow[A_K_LT].fun.cmd = ED_PREV_CHAR;
|
|
arrow[A_K_LT].type = XK_CMD;
|
|
|
|
arrow[A_K_RT].name = "right";
|
|
arrow[A_K_RT].key = T_kr;
|
|
arrow[A_K_RT].fun.cmd = ED_NEXT_CHAR;
|
|
arrow[A_K_RT].type = XK_CMD;
|
|
|
|
arrow[A_K_HO].name = "home";
|
|
arrow[A_K_HO].key = T_kh;
|
|
arrow[A_K_HO].fun.cmd = ED_MOVE_TO_BEG;
|
|
arrow[A_K_HO].type = XK_CMD;
|
|
|
|
arrow[A_K_EN].name = "end";
|
|
arrow[A_K_EN].key = T_at7;
|
|
arrow[A_K_EN].fun.cmd = ED_MOVE_TO_END;
|
|
arrow[A_K_EN].type = XK_CMD;
|
|
}
|
|
|
|
|
|
/* term_reset_arrow():
|
|
* Reset arrow key bindings
|
|
*/
|
|
private void
|
|
term_reset_arrow(EditLine *el)
|
|
{
|
|
fkey_t *arrow = el->el_term.t_fkey;
|
|
static const char strA[] = {033, '[', 'A', '\0'};
|
|
static const char strB[] = {033, '[', 'B', '\0'};
|
|
static const char strC[] = {033, '[', 'C', '\0'};
|
|
static const char strD[] = {033, '[', 'D', '\0'};
|
|
static const char strH[] = {033, '[', 'H', '\0'};
|
|
static const char strF[] = {033, '[', 'F', '\0'};
|
|
static const char str1[] = {033, '[', '1', '~', '\0'};
|
|
static const char str4[] = {033, '[', '4', '~', '\0'};
|
|
static const char stOA[] = {033, 'O', 'A', '\0'};
|
|
static const char stOB[] = {033, 'O', 'B', '\0'};
|
|
static const char stOC[] = {033, 'O', 'C', '\0'};
|
|
static const char stOD[] = {033, 'O', 'D', '\0'};
|
|
static const char stOH[] = {033, 'O', 'H', '\0'};
|
|
static const char stOF[] = {033, 'O', 'F', '\0'};
|
|
|
|
key_add(el, strA, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
|
|
key_add(el, strB, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
|
|
key_add(el, strC, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
|
|
key_add(el, strD, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
|
|
key_add(el, strH, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
|
|
key_add(el, strF, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
|
|
key_add(el, str1, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
|
|
key_add(el, str4, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
|
|
key_add(el, stOA, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
|
|
key_add(el, stOB, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
|
|
key_add(el, stOC, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
|
|
key_add(el, stOD, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
|
|
key_add(el, stOH, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
|
|
key_add(el, stOF, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
|
|
|
|
if (el->el_map.type == MAP_VI) {
|
|
key_add(el, &strA[1], &arrow[A_K_UP].fun, arrow[A_K_UP].type);
|
|
key_add(el, &strB[1], &arrow[A_K_DN].fun, arrow[A_K_DN].type);
|
|
key_add(el, &strC[1], &arrow[A_K_RT].fun, arrow[A_K_RT].type);
|
|
key_add(el, &strD[1], &arrow[A_K_LT].fun, arrow[A_K_LT].type);
|
|
key_add(el, &strH[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type);
|
|
key_add(el, &strF[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type);
|
|
key_add(el, &str1[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type);
|
|
key_add(el, &str4[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type);
|
|
key_add(el, &stOA[1], &arrow[A_K_UP].fun, arrow[A_K_UP].type);
|
|
key_add(el, &stOB[1], &arrow[A_K_DN].fun, arrow[A_K_DN].type);
|
|
key_add(el, &stOC[1], &arrow[A_K_RT].fun, arrow[A_K_RT].type);
|
|
key_add(el, &stOD[1], &arrow[A_K_LT].fun, arrow[A_K_LT].type);
|
|
key_add(el, &stOH[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type);
|
|
key_add(el, &stOF[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type);
|
|
}
|
|
}
|
|
|
|
|
|
/* term_set_arrow():
|
|
* Set an arrow key binding
|
|
*/
|
|
protected int
|
|
term_set_arrow(EditLine *el, char *name, key_value_t *fun, int type)
|
|
{
|
|
fkey_t *arrow = el->el_term.t_fkey;
|
|
int i;
|
|
|
|
for (i = 0; i < A_K_NKEYS; i++)
|
|
if (strcmp(name, arrow[i].name) == 0) {
|
|
arrow[i].fun = *fun;
|
|
arrow[i].type = type;
|
|
return (0);
|
|
}
|
|
return (-1);
|
|
}
|
|
|
|
|
|
/* term_clear_arrow():
|
|
* Clear an arrow key binding
|
|
*/
|
|
protected int
|
|
term_clear_arrow(EditLine *el, char *name)
|
|
{
|
|
fkey_t *arrow = el->el_term.t_fkey;
|
|
int i;
|
|
|
|
for (i = 0; i < A_K_NKEYS; i++)
|
|
if (strcmp(name, arrow[i].name) == 0) {
|
|
arrow[i].type = XK_NOD;
|
|
return (0);
|
|
}
|
|
return (-1);
|
|
}
|
|
|
|
|
|
/* term_print_arrow():
|
|
* Print the arrow key bindings
|
|
*/
|
|
protected void
|
|
term_print_arrow(EditLine *el, char *name)
|
|
{
|
|
int i;
|
|
fkey_t *arrow = el->el_term.t_fkey;
|
|
|
|
for (i = 0; i < A_K_NKEYS; i++)
|
|
if (*name == '\0' || strcmp(name, arrow[i].name) == 0)
|
|
if (arrow[i].type != XK_NOD)
|
|
key_kprint(el, arrow[i].name, &arrow[i].fun,
|
|
arrow[i].type);
|
|
}
|
|
|
|
|
|
/* term_bind_arrow():
|
|
* Bind the arrow keys
|
|
*/
|
|
protected void
|
|
term_bind_arrow(EditLine *el)
|
|
{
|
|
el_action_t *map;
|
|
const el_action_t *dmap;
|
|
int i, j;
|
|
char *p;
|
|
fkey_t *arrow = el->el_term.t_fkey;
|
|
|
|
/* Check if the components needed are initialized */
|
|
if (el->el_term.t_buf == NULL || el->el_map.key == NULL)
|
|
return;
|
|
|
|
map = el->el_map.type == MAP_VI ? el->el_map.alt : el->el_map.key;
|
|
dmap = el->el_map.type == MAP_VI ? el->el_map.vic : el->el_map.emacs;
|
|
|
|
term_reset_arrow(el);
|
|
|
|
for (i = 0; i < A_K_NKEYS; i++) {
|
|
p = el->el_term.t_str[arrow[i].key];
|
|
if (p && *p) {
|
|
j = (unsigned char) *p;
|
|
/*
|
|
* Assign the arrow keys only if:
|
|
*
|
|
* 1. They are multi-character arrow keys and the user
|
|
* has not re-assigned the leading character, or
|
|
* has re-assigned the leading character to be
|
|
* ED_SEQUENCE_LEAD_IN
|
|
* 2. They are single arrow keys pointing to an
|
|
* unassigned key.
|
|
*/
|
|
if (arrow[i].type == XK_NOD)
|
|
key_clear(el, map, p);
|
|
else {
|
|
if (p[1] && (dmap[j] == map[j] ||
|
|
map[j] == ED_SEQUENCE_LEAD_IN)) {
|
|
key_add(el, p, &arrow[i].fun,
|
|
arrow[i].type);
|
|
map[j] = ED_SEQUENCE_LEAD_IN;
|
|
} else if (map[j] == ED_UNASSIGNED) {
|
|
key_clear(el, map, p);
|
|
if (arrow[i].type == XK_CMD)
|
|
map[j] = arrow[i].fun.cmd;
|
|
else
|
|
key_add(el, p, &arrow[i].fun,
|
|
arrow[i].type);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* term__putc():
|
|
* Add a character
|
|
*/
|
|
protected int
|
|
term__putc(int c)
|
|
{
|
|
|
|
return (fputc(c, term_outfile));
|
|
}
|
|
|
|
|
|
/* term__flush():
|
|
* Flush output
|
|
*/
|
|
protected void
|
|
term__flush(void)
|
|
{
|
|
|
|
(void) fflush(term_outfile);
|
|
}
|
|
|
|
|
|
/* term_telltc():
|
|
* Print the current termcap characteristics
|
|
*/
|
|
protected int
|
|
/*ARGSUSED*/
|
|
term_telltc(EditLine *el, int argc, char **argv)
|
|
{
|
|
const struct termcapstr *t;
|
|
char **ts;
|
|
char upbuf[EL_BUFSIZ];
|
|
|
|
(void) fprintf(el->el_outfile, "\n\tYour terminal has the\n");
|
|
(void) fprintf(el->el_outfile, "\tfollowing characteristics:\n\n");
|
|
(void) fprintf(el->el_outfile, "\tIt has %d columns and %d lines\n",
|
|
Val(T_co), Val(T_li));
|
|
(void) fprintf(el->el_outfile,
|
|
"\tIt has %s meta key\n", EL_HAS_META ? "a" : "no");
|
|
(void) fprintf(el->el_outfile,
|
|
"\tIt can%suse tabs\n", EL_CAN_TAB ? " " : "not ");
|
|
(void) fprintf(el->el_outfile, "\tIt %s automatic margins\n",
|
|
EL_HAS_AUTO_MARGINS ? "has" : "does not have");
|
|
if (EL_HAS_AUTO_MARGINS)
|
|
(void) fprintf(el->el_outfile, "\tIt %s magic margins\n",
|
|
EL_HAS_MAGIC_MARGINS ? "has" : "does not have");
|
|
|
|
for (t = tstr, ts = el->el_term.t_str; t->name != NULL; t++, ts++)
|
|
(void) fprintf(el->el_outfile, "\t%25s (%s) == %s\n",
|
|
t->long_name,
|
|
t->name, *ts && **ts ?
|
|
key__decode_str(*ts, upbuf, "") : "(empty)");
|
|
(void) fputc('\n', el->el_outfile);
|
|
return (0);
|
|
}
|
|
|
|
|
|
/* term_settc():
|
|
* Change the current terminal characteristics
|
|
*/
|
|
protected int
|
|
/*ARGSUSED*/
|
|
term_settc(EditLine *el, int argc, char **argv)
|
|
{
|
|
const struct termcapstr *ts;
|
|
const struct termcapval *tv;
|
|
char *what, *how;
|
|
|
|
if (argv == NULL || argv[1] == NULL || argv[2] == NULL)
|
|
return (-1);
|
|
|
|
what = argv[1];
|
|
how = argv[2];
|
|
|
|
/*
|
|
* Do the strings first
|
|
*/
|
|
for (ts = tstr; ts->name != NULL; ts++)
|
|
if (strcmp(ts->name, what) == 0)
|
|
break;
|
|
|
|
if (ts->name != NULL) {
|
|
term_alloc(el, ts, how);
|
|
term_setflags(el);
|
|
return (0);
|
|
}
|
|
/*
|
|
* Do the numeric ones second
|
|
*/
|
|
for (tv = tval; tv->name != NULL; tv++)
|
|
if (strcmp(tv->name, what) == 0)
|
|
break;
|
|
|
|
if (tv->name != NULL) {
|
|
if (tv == &tval[T_pt] || tv == &tval[T_km] ||
|
|
tv == &tval[T_am] || tv == &tval[T_xn]) {
|
|
if (strcmp(how, "yes") == 0)
|
|
el->el_term.t_val[tv - tval] = 1;
|
|
else if (strcmp(how, "no") == 0)
|
|
el->el_term.t_val[tv - tval] = 0;
|
|
else {
|
|
(void) fprintf(el->el_errfile,
|
|
"settc: Bad value `%s'.\n", how);
|
|
return (-1);
|
|
}
|
|
term_setflags(el);
|
|
if (term_change_size(el, Val(T_li), Val(T_co)) == -1)
|
|
return (-1);
|
|
return (0);
|
|
} else {
|
|
long i;
|
|
char *ep;
|
|
|
|
i = strtol(how, &ep, 10);
|
|
if (*ep != '\0') {
|
|
(void) fprintf(el->el_errfile,
|
|
"settc: Bad value `%s'.\n", how);
|
|
return (-1);
|
|
}
|
|
el->el_term.t_val[tv - tval] = (int) i;
|
|
el->el_term.t_size.v = Val(T_co);
|
|
el->el_term.t_size.h = Val(T_li);
|
|
if (tv == &tval[T_co] || tv == &tval[T_li])
|
|
if (term_change_size(el, Val(T_li), Val(T_co))
|
|
== -1)
|
|
return (-1);
|
|
return (0);
|
|
}
|
|
}
|
|
return (-1);
|
|
}
|
|
|
|
|
|
/* term_echotc():
|
|
* Print the termcap string out with variable substitution
|
|
*/
|
|
protected int
|
|
/*ARGSUSED*/
|
|
term_echotc(EditLine *el, int argc, char **argv)
|
|
{
|
|
char *cap, *scap, *ep;
|
|
int arg_need, arg_cols, arg_rows;
|
|
int verbose = 0, silent = 0;
|
|
char *area;
|
|
static const char fmts[] = "%s\n", fmtd[] = "%d\n";
|
|
const struct termcapstr *t;
|
|
char buf[TC_BUFSIZE];
|
|
long i;
|
|
|
|
area = buf;
|
|
|
|
if (argv == NULL || argv[1] == NULL)
|
|
return (-1);
|
|
argv++;
|
|
|
|
if (argv[0][0] == '-') {
|
|
switch (argv[0][1]) {
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case 's':
|
|
silent = 1;
|
|
break;
|
|
default:
|
|
/* stderror(ERR_NAME | ERR_TCUSAGE); */
|
|
break;
|
|
}
|
|
argv++;
|
|
}
|
|
if (!*argv || *argv[0] == '\0')
|
|
return (0);
|
|
if (strcmp(*argv, "tabs") == 0) {
|
|
(void) fprintf(el->el_outfile, fmts, EL_CAN_TAB ? "yes" : "no");
|
|
return (0);
|
|
} else if (strcmp(*argv, "meta") == 0) {
|
|
(void) fprintf(el->el_outfile, fmts, Val(T_km) ? "yes" : "no");
|
|
return (0);
|
|
} else if (strcmp(*argv, "xn") == 0) {
|
|
(void) fprintf(el->el_outfile, fmts, EL_HAS_MAGIC_MARGINS ?
|
|
"yes" : "no");
|
|
return (0);
|
|
} else if (strcmp(*argv, "am") == 0) {
|
|
(void) fprintf(el->el_outfile, fmts, EL_HAS_AUTO_MARGINS ?
|
|
"yes" : "no");
|
|
return (0);
|
|
} else if (strcmp(*argv, "baud") == 0) {
|
|
#ifdef notdef
|
|
int i;
|
|
|
|
for (i = 0; baud_rate[i].b_name != NULL; i++)
|
|
if (el->el_tty.t_speed == baud_rate[i].b_rate) {
|
|
(void) fprintf(el->el_outfile, fmts,
|
|
baud_rate[i].b_name);
|
|
return (0);
|
|
}
|
|
(void) fprintf(el->el_outfile, fmtd, 0);
|
|
#else
|
|
(void) fprintf(el->el_outfile, fmtd, el->el_tty.t_speed);
|
|
#endif
|
|
return (0);
|
|
} else if (strcmp(*argv, "rows") == 0 || strcmp(*argv, "lines") == 0) {
|
|
(void) fprintf(el->el_outfile, fmtd, Val(T_li));
|
|
return (0);
|
|
} else if (strcmp(*argv, "cols") == 0) {
|
|
(void) fprintf(el->el_outfile, fmtd, Val(T_co));
|
|
return (0);
|
|
}
|
|
/*
|
|
* Try to use our local definition first
|
|
*/
|
|
scap = NULL;
|
|
for (t = tstr; t->name != NULL; t++)
|
|
if (strcmp(t->name, *argv) == 0) {
|
|
scap = el->el_term.t_str[t - tstr];
|
|
break;
|
|
}
|
|
if (t->name == NULL)
|
|
scap = tgetstr(*argv, &area);
|
|
if (!scap || scap[0] == '\0') {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Termcap parameter `%s' not found.\n",
|
|
*argv);
|
|
return (-1);
|
|
}
|
|
/*
|
|
* Count home many values we need for this capability.
|
|
*/
|
|
for (cap = scap, arg_need = 0; *cap; cap++)
|
|
if (*cap == '%')
|
|
switch (*++cap) {
|
|
case 'd':
|
|
case '2':
|
|
case '3':
|
|
case '.':
|
|
case '+':
|
|
arg_need++;
|
|
break;
|
|
case '%':
|
|
case '>':
|
|
case 'i':
|
|
case 'r':
|
|
case 'n':
|
|
case 'B':
|
|
case 'D':
|
|
break;
|
|
default:
|
|
/*
|
|
* hpux has lot's of them...
|
|
*/
|
|
if (verbose)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Warning: unknown termcap %% `%c'.\n",
|
|
*cap);
|
|
/* This is bad, but I won't complain */
|
|
break;
|
|
}
|
|
|
|
switch (arg_need) {
|
|
case 0:
|
|
argv++;
|
|
if (*argv && *argv[0]) {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Warning: Extra argument `%s'.\n",
|
|
*argv);
|
|
return (-1);
|
|
}
|
|
(void) tputs(scap, 1, term__putc);
|
|
break;
|
|
case 1:
|
|
argv++;
|
|
if (!*argv || *argv[0] == '\0') {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Warning: Missing argument.\n");
|
|
return (-1);
|
|
}
|
|
arg_cols = 0;
|
|
i = strtol(*argv, &ep, 10);
|
|
if (*ep != '\0' || i < 0) {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Bad value `%s' for rows.\n",
|
|
*argv);
|
|
return (-1);
|
|
}
|
|
arg_rows = (int) i;
|
|
argv++;
|
|
if (*argv && *argv[0]) {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Warning: Extra argument `%s'.\n",
|
|
*argv);
|
|
return (-1);
|
|
}
|
|
(void) tputs(tgoto(scap, arg_cols, arg_rows), 1, term__putc);
|
|
break;
|
|
default:
|
|
/* This is wrong, but I will ignore it... */
|
|
if (verbose)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Warning: Too many required arguments (%d).\n",
|
|
arg_need);
|
|
/* FALLTHROUGH */
|
|
case 2:
|
|
argv++;
|
|
if (!*argv || *argv[0] == '\0') {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Warning: Missing argument.\n");
|
|
return (-1);
|
|
}
|
|
i = strtol(*argv, &ep, 10);
|
|
if (*ep != '\0' || i < 0) {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Bad value `%s' for cols.\n",
|
|
*argv);
|
|
return (-1);
|
|
}
|
|
arg_cols = (int) i;
|
|
argv++;
|
|
if (!*argv || *argv[0] == '\0') {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Warning: Missing argument.\n");
|
|
return (-1);
|
|
}
|
|
i = strtol(*argv, &ep, 10);
|
|
if (*ep != '\0' || i < 0) {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Bad value `%s' for rows.\n",
|
|
*argv);
|
|
return (-1);
|
|
}
|
|
arg_rows = (int) i;
|
|
if (*ep != '\0') {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Bad value `%s'.\n", *argv);
|
|
return (-1);
|
|
}
|
|
argv++;
|
|
if (*argv && *argv[0]) {
|
|
if (!silent)
|
|
(void) fprintf(el->el_errfile,
|
|
"echotc: Warning: Extra argument `%s'.\n",
|
|
*argv);
|
|
return (-1);
|
|
}
|
|
(void) tputs(tgoto(scap, arg_cols, arg_rows), arg_rows,
|
|
term__putc);
|
|
break;
|
|
}
|
|
return (0);
|
|
}
|