1 /* $OpenBSD: el.h,v 1.6 2003/11/25 20:12:38 otto Exp $ */ 2 /* $NetBSD: el.h,v 1.16 2003/10/18 23:48:42 christos Exp $ */ 3 4 /*- 5 * Copyright (c) 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Christos Zoulas of Cornell University. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)el.h 8.1 (Berkeley) 6/4/93 36 */ 37 38 /* 39 * el.h: Internal structures. 40 */ 41 #ifndef _h_el 42 #define _h_el 43 /* 44 * Local defaults 45 */ 46 #define KSHVI 47 #define VIDEFAULT 48 #define ANCHOR 49 50 #include <stdio.h> 51 #include <sys/types.h> 52 53 #define EL_BUFSIZ 1024 /* Maximum line size */ 54 55 #define HANDLE_SIGNALS 0x01 56 #define NO_TTY 0x02 57 #define EDIT_DISABLED 0x04 58 #define UNBUFFERED 0x08 59 60 typedef int bool_t; /* True or not */ 61 62 typedef unsigned char el_action_t; /* Index to command array */ 63 64 typedef struct coord_t { /* Position on the screen */ 65 int h; 66 int v; 67 } coord_t; 68 69 typedef struct el_line_t { 70 char *buffer; /* Input line */ 71 char *cursor; /* Cursor position */ 72 char *lastchar; /* Last character */ 73 const char *limit; /* Max position */ 74 } el_line_t; 75 76 /* 77 * Editor state 78 */ 79 typedef struct el_state_t { 80 int inputmode; /* What mode are we in? */ 81 int doingarg; /* Are we getting an argument? */ 82 int argument; /* Numeric argument */ 83 int metanext; /* Is the next char a meta char */ 84 el_action_t lastcmd; /* Previous command */ 85 el_action_t thiscmd; /* this command */ 86 char thisch; /* char that generated it */ 87 } el_state_t; 88 89 /* 90 * Until we come up with something better... 91 */ 92 #define el_strdup(a) strdup(a) 93 #define el_malloc(a) malloc(a) 94 #define el_realloc(a,b) realloc(a, b) 95 #define el_free(a) free(a) 96 97 #include "tty.h" 98 #include "prompt.h" 99 #include "key.h" 100 #include "term.h" 101 #include "refresh.h" 102 #include "chared.h" 103 #include "common.h" 104 #include "search.h" 105 #include "hist.h" 106 #include "map.h" 107 #include "parse.h" 108 #include "sig.h" 109 #include "help.h" 110 #include "read.h" 111 112 struct editline { 113 char *el_prog; /* the program name */ 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 coord_t el_cursor; /* Cursor location */ 119 char **el_display; /* Real screen image = what is there */ 120 char **el_vdisplay; /* Virtual screen image = what we see */ 121 void *el_data; /* Client data */ 122 el_line_t el_line; /* The current line information */ 123 el_state_t el_state; /* Current editor state */ 124 el_term_t el_term; /* Terminal dependent stuff */ 125 el_tty_t el_tty; /* Tty dependent stuff */ 126 el_refresh_t el_refresh; /* Refresh stuff */ 127 el_prompt_t el_prompt; /* Prompt stuff */ 128 el_prompt_t el_rprompt; /* Prompt stuff */ 129 el_chared_t el_chared; /* Characted editor stuff */ 130 el_map_t el_map; /* Key mapping stuff */ 131 el_key_t el_key; /* Key binding stuff */ 132 el_history_t el_history; /* History stuff */ 133 el_search_t el_search; /* Search stuff */ 134 el_signal_t el_signal; /* Signal handling stuff */ 135 el_read_t el_read; /* Character reading stuff */ 136 }; 137 138 protected int el_editmode(EditLine *, int, const char **); 139 140 #ifdef DEBUG 141 #define EL_ABORT(a) do { \ 142 fprintf(el->el_errfile, "%s, %d: ", \ 143 __FILE__, __LINE__); \ 144 fprintf a; \ 145 abort(); \ 146 } while( /*CONSTCOND*/0); 147 #else 148 #define EL_ABORT(a) abort() 149 #endif 150 #endif /* _h_el */ 151