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