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el.h revision 1.5 
      1 /*	$NetBSD: el.h,v 1.5 1999/11/12 01:05:07 lukem Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Christos Zoulas of Cornell University.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  *	@(#)el.h	8.1 (Berkeley) 6/4/93
     39  */
     40 
     41 /*
     42  * el.h: Internal structures.
     43  */
     44 #ifndef _h_el
     45 #define _h_el
     46 /*
     47  * Local defaults
     48  */
     49 #define KSHVI
     50 #define VIDEFAULT
     51 #define ANCHOR
     52 
     53 #include <stdio.h>
     54 #include <sys/types.h>
     55 
     56 #define EL_BUFSIZ	1024		/* Maximum line size		*/
     57 
     58 #define HANDLE_SIGNALS	1<<0
     59 #define NO_TTY		1<<1
     60 #define EDIT_DISABLED	1<<2
     61 
     62 typedef int bool_t;			/* True or not			*/
     63 
     64 typedef unsigned char el_action_t;	/* Index to command array	*/
     65 
     66 typedef struct coord_t {		/* Position on the screen	*/
     67     int h, v;
     68 } coord_t;
     69 
     70 typedef struct el_line_t {
     71     char *buffer, 			/* Input line 			*/
     72 	 *cursor, 			/* Cursor position 		*/
     73 	 *lastchar,			/* Last character 		*/
     74 	 *limit;			/* Max position			*/
     75 } el_line_t;
     76 
     77 /*
     78  * Editor state
     79  */
     80 typedef struct el_state_t {
     81     int 	inputmode;		/* What mode are we in? 	*/
     82     int 	doingarg;		/* Are we getting an argument?	*/
     83     int	        argument;		/* Numeric argument 		*/
     84     int		metanext;		/* Is the next char a meta char */
     85     el_action_t lastcmd;		/* Previous command		*/
     86 } el_state_t;
     87 
     88 /*
     89  * Until we come up with something better...
     90  */
     91 #define el_malloc(a)	malloc(a)
     92 #define el_realloc(a,b)	realloc(a, b)
     93 #define el_free(a)	free(a)
     94 
     95 #include "tty.h"
     96 #include "prompt.h"
     97 #include "key.h"
     98 #include "term.h"
     99 #include "refresh.h"
    100 #include "chared.h"
    101 #include "common.h"
    102 #include "search.h"
    103 #include "hist.h"
    104 #include "map.h"
    105 #include "parse.h"
    106 #include "sig.h"
    107 #include "help.h"
    108 
    109 struct editline {
    110     char	 *el_prog;	/* the program name 			*/
    111     FILE         *el_outfile;	/* Stdio stuff				*/
    112     FILE         *el_errfile;	/* Stdio stuff				*/
    113     int           el_infd;	/* Input file descriptor		*/
    114     int		  el_flags;	/* Various flags.			*/
    115     coord_t       el_cursor;	/* Cursor location			*/
    116     char        **el_display, 	/* Real screen image = what is there	*/
    117 	        **el_vdisplay;	/* Virtual screen image = what we see	*/
    118 
    119     el_line_t     el_line;	/* The current line information		*/
    120     el_state_t	  el_state;	/* Current editor state			*/
    121     el_term_t     el_term;	/* Terminal dependent stuff		*/
    122     el_tty_t	  el_tty;	/* Tty dependent stuff			*/
    123     el_refresh_t  el_refresh;	/* Refresh stuff			*/
    124     el_prompt_t   el_prompt;	/* Prompt stuff				*/
    125     el_prompt_t   el_rprompt;	/* Prompt stuff				*/
    126     el_chared_t	  el_chared;	/* Characted editor stuff		*/
    127     el_map_t	  el_map;	/* Key mapping stuff			*/
    128     el_key_t	  el_key;	/* Key binding stuff			*/
    129     el_history_t  el_history;	/* History stuff			*/
    130     el_search_t	  el_search;	/* Search stuff				*/
    131     el_signal_t	  el_signal;	/* Signal handling stuff		*/
    132 };
    133 
    134 protected int		el_editmode	__P((EditLine *, int, char **));
    135 
    136 #endif /* _h_el */
    137