Home | History | Annotate | Line # | Download | only in libedit
el.h revision 1.1 
      1 /*-
      2  * Copyright (c) 1992, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * This code is derived from software contributed to Berkeley by
      6  * Christos Zoulas of Cornell University.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by the University of
     19  *	California, Berkeley and its contributors.
     20  * 4. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  *	@(#)el.h	8.1 (Berkeley) 6/4/93
     37  */
     38 
     39 /*
     40  * el.h: Internal structures.
     41  */
     42 #ifndef _h_el
     43 #define _h_el
     44 /*
     45  * Local defaults
     46  */
     47 #define KSHVI
     48 #define VIDEFAULT
     49 #define ANCHOR
     50 
     51 #include <stdio.h>
     52 #include <sys/types.h>
     53 
     54 #define EL_BUFSIZ	1024		/* Maximum line size		*/
     55 
     56 #define HANDLE_SIGNALS	1
     57 
     58 typedef int bool_t;			/* True or not			*/
     59 
     60 typedef unsigned char el_action_t;	/* Index to command array	*/
     61 
     62 typedef struct coord_t {		/* Position on the screen	*/
     63     int h, v;
     64 } coord_t;
     65 
     66 typedef struct el_line_t {
     67     char *buffer, 			/* Input line 			*/
     68 	 *cursor, 			/* Cursor position 		*/
     69 	 *lastchar,			/* Last character 		*/
     70 	 *limit;			/* Max position			*/
     71 } el_line_t;
     72 
     73 /*
     74  * Editor state
     75  */
     76 typedef struct el_state_t {
     77     int 	inputmode;		/* What mode are we in? 	*/
     78     int 	doingarg;		/* Are we getting an argument?	*/
     79     int	        argument;		/* Numeric argument 		*/
     80     int		metanext;		/* Is the next char a meta char */
     81     el_action_t lastcmd;		/* Previous command		*/
     82 } el_state_t;
     83 
     84 /*
     85  * Until we come up with something better...
     86  */
     87 #define el_malloc(a)	malloc(a)
     88 #define el_realloc(a,b)	realloc(a, b)
     89 #define el_free(a)	free(a)
     90 
     91 #include "tty.h"
     92 #include "prompt.h"
     93 #include "key.h"
     94 #include "term.h"
     95 #include "refresh.h"
     96 #include "chared.h"
     97 #include "common.h"
     98 #include "search.h"
     99 #include "hist.h"
    100 #include "map.h"
    101 #include "parse.h"
    102 #include "sig.h"
    103 #include "help.h"
    104 
    105 struct editline {
    106     char	 *el_prog;	/* the program name 			*/
    107     FILE         *el_outfile;	/* Stdio stuff				*/
    108     FILE         *el_errfile;	/* Stdio stuff				*/
    109     int           el_infd;	/* Input file descriptor		*/
    110     int		  el_flags;	/* Various flags.			*/
    111     coord_t       el_cursor;	/* Cursor location			*/
    112     char        **el_display, 	/* Real screen image = what is there	*/
    113 	        **el_vdisplay;	/* Virtual screen image = what we see	*/
    114 
    115     el_line_t     el_line;	/* The current line information		*/
    116     el_state_t	  el_state;	/* Current editor state			*/
    117     el_term_t     el_term;	/* Terminal dependent stuff		*/
    118     el_tty_t	  el_tty;	/* Tty dependent stuff			*/
    119     el_refresh_t  el_refresh;	/* Refresh stuff			*/
    120     el_prompt_t   el_prompt;	/* Prompt stuff				*/
    121     el_chared_t	  el_chared;	/* Characted editor stuff		*/
    122     el_map_t	  el_map;	/* Key mapping stuff			*/
    123     el_key_t	  el_key;	/* Key binding stuff			*/
    124     el_history_t  el_history;	/* History stuff			*/
    125     el_search_t	  el_search;	/* Search stuff				*/
    126     el_signal_t	  el_signal;	/* Signal handling stuff		*/
    127 };
    128 
    129 #endif /* _h_el */
    130