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