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. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)el.h 8.1 (Berkeley) 6/4/93 33 * $NetBSD: el.h,v 1.17 2006/12/15 22:13:33 christos Exp $ 34 * $FreeBSD$ 35 */ 36 37 /* 38 * el.h: Internal structures. 39 */ 40 #ifndef _h_el 41 #define _h_el 42 /* 43 * Local defaults 44 */ 45 #define KSHVI 46 #define VIDEFAULT 47 #define ANCHOR 48 49 #include <stdio.h> 50 #include <sys/types.h> 51 52 #define EL_BUFSIZ 1024 /* Maximum line size */ 53 54 #define HANDLE_SIGNALS 0x01 55 #define NO_TTY 0x02 56 #define EDIT_DISABLED 0x04 57 #define UNBUFFERED 0x08 58 59 typedef int bool_t; /* True or not */ 60 61 typedef unsigned char el_action_t; /* Index to command array */ 62 63 typedef struct coord_t { /* Position on the screen */ 64 int h; 65 int v; 66 } coord_t; 67 68 typedef struct el_line_t { 69 char *buffer; /* Input line */ 70 char *cursor; /* Cursor position */ 71 char *lastchar; /* Last character */ 72 const char *limit; /* Max position */ 73 } el_line_t; 74 75 /* 76 * Editor state 77 */ 78 typedef struct el_state_t { 79 int inputmode; /* What mode are we in? */ 80 int doingarg; /* Are we getting an argument? */ 81 int argument; /* Numeric argument */ 82 int metanext; /* Is the next char a meta char */ 83 el_action_t lastcmd; /* Previous command */ 84 el_action_t thiscmd; /* this command */ 85 char thisch; /* char that generated it */ 86 } el_state_t; 87 88 /* 89 * Until we come up with something better... 90 */ 91 #define el_strdup(a) strdup(a) 92 #define el_malloc(a) malloc(a) 93 #define el_realloc(a,b) realloc(a, b) 94 #define el_free(a) free(a) 95 96 #include "tty.h" 97 #include "prompt.h" 98 #include "key.h" 99 #include "term.h" 100 #include "refresh.h" 101 #include "chared.h" 102 #include "common.h" 103 #include "search.h" 104 #include "hist.h" 105 #include "map.h" 106 #include "parse.h" 107 #include "sig.h" 108 #include "help.h" 109 #include "read.h" 110 111 struct editline { 112 char *el_prog; /* the program name */ 113 FILE *el_infile; /* Stdio stuff */ 114 FILE *el_outfile; /* Stdio stuff */ 115 FILE *el_errfile; /* Stdio stuff */ 116 int el_infd; /* Input file descriptor */ 117 int el_flags; /* Various flags. */ 118 int el_errno; /* Local copy of errno */ 119 coord_t el_cursor; /* Cursor location */ 120 char **el_display; /* Real screen image = what is there */ 121 char **el_vdisplay; /* Virtual screen image = what we see */ 122 void *el_data; /* Client data */ 123 el_line_t el_line; /* The current line information */ 124 el_state_t el_state; /* Current editor state */ 125 el_term_t el_term; /* Terminal dependent stuff */ 126 el_tty_t el_tty; /* Tty dependent stuff */ 127 el_refresh_t el_refresh; /* Refresh stuff */ 128 el_prompt_t el_prompt; /* Prompt stuff */ 129 el_prompt_t el_rprompt; /* Prompt stuff */ 130 el_chared_t el_chared; /* Characted editor stuff */ 131 el_map_t el_map; /* Key mapping stuff */ 132 el_key_t el_key; /* Key binding stuff */ 133 el_history_t el_history; /* History stuff */ 134 el_search_t el_search; /* Search stuff */ 135 el_signal_t el_signal; /* Signal handling stuff */ 136 el_read_t el_read; /* Character reading stuff */ 137 }; 138 139 protected int el_editmode(EditLine *, int, const char **); 140 141 #ifdef DEBUG 142 #define EL_ABORT(a) do { \ 143 fprintf(el->el_errfile, "%s, %d: ", \ 144 __FILE__, __LINE__); \ 145 fprintf a; \ 146 abort(); \ 147 } while( /*CONSTCOND*/0); 148 #else 149 #define EL_ABORT(a) abort() 150 #endif 151 #endif /* _h_el */ 152