1 /* $OpenBSD: el.h,v 1.8 2011/07/07 05:40:42 okan Exp $ */ 2 /* $NetBSD: el.h,v 1.21 2009/12/31 15:58:26 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 "histedit.h" 51 #include "chartype.h" 52 #include <stdio.h> 53 #include <sys/types.h> 54 55 #define EL_BUFSIZ 1024 /* Maximum line size */ 56 57 #define HANDLE_SIGNALS 0x01 58 #define NO_TTY 0x02 59 #define EDIT_DISABLED 0x04 60 #define UNBUFFERED 0x08 61 #define CHARSET_IS_UTF8 0x10 62 #define IGNORE_EXTCHARS 0x20 /* Ignore characters read > 0xff */ 63 #define NARROW_HISTORY 0x40 64 #define NARROW_READ 0x80 65 66 typedef int bool_t; /* True or not */ 67 68 typedef unsigned char el_action_t; /* Index to command array */ 69 70 typedef struct coord_t { /* Position on the screen */ 71 int h; 72 int v; 73 } coord_t; 74 75 typedef struct el_line_t { 76 Char *buffer; /* Input line */ 77 Char *cursor; /* Cursor position */ 78 Char *lastchar; /* Last character */ 79 const Char *limit; /* Max position */ 80 } el_line_t; 81 82 /* 83 * Editor state 84 */ 85 typedef struct el_state_t { 86 int inputmode; /* What mode are we in? */ 87 int doingarg; /* Are we getting an argument? */ 88 int argument; /* Numeric argument */ 89 int metanext; /* Is the next char a meta char */ 90 el_action_t lastcmd; /* Previous command */ 91 el_action_t thiscmd; /* this command */ 92 Char thisch; /* char that generated it */ 93 } el_state_t; 94 95 /* 96 * Until we come up with something better... 97 */ 98 #define el_malloc(a) malloc(a) 99 #define el_realloc(a,b) realloc(a, b) 100 #define el_free(a) free(a) 101 102 #include "tty.h" 103 #include "prompt.h" 104 #include "key.h" 105 #include "term.h" 106 #include "refresh.h" 107 #include "chared.h" 108 #include "common.h" 109 #include "search.h" 110 #include "hist.h" 111 #include "map.h" 112 #include "parse.h" 113 #include "sig.h" 114 #include "help.h" 115 #include "read.h" 116 117 struct editline { 118 Char *el_prog; /* the program name */ 119 FILE *el_infile; /* Stdio stuff */ 120 FILE *el_outfile; /* Stdio stuff */ 121 FILE *el_errfile; /* Stdio stuff */ 122 int el_infd; /* Input file descriptor */ 123 int el_outfd; /* Output file descriptor */ 124 int el_errfd; /* Error file descriptor */ 125 int el_flags; /* Various flags. */ 126 int el_errno; /* Local copy of errno */ 127 coord_t el_cursor; /* Cursor location */ 128 Char **el_display; /* Real screen image = what is there */ 129 Char **el_vdisplay; /* Virtual screen image = what we see */ 130 void *el_data; /* Client data */ 131 el_line_t el_line; /* The current line information */ 132 el_state_t el_state; /* Current editor state */ 133 el_term_t el_term; /* Terminal dependent stuff */ 134 el_tty_t el_tty; /* Tty dependent stuff */ 135 el_refresh_t el_refresh; /* Refresh stuff */ 136 el_prompt_t el_prompt; /* Prompt stuff */ 137 el_prompt_t el_rprompt; /* Prompt stuff */ 138 el_chared_t el_chared; /* Characted editor stuff */ 139 el_map_t el_map; /* Key mapping stuff */ 140 el_key_t el_key; /* Key binding stuff */ 141 el_history_t el_history; /* History stuff */ 142 el_search_t el_search; /* Search stuff */ 143 el_signal_t el_signal; /* Signal handling stuff */ 144 el_read_t el_read; /* Character reading stuff */ 145 #ifdef WIDECHAR 146 ct_buffer_t el_scratch; /* Scratch conversion buffer */ 147 ct_buffer_t el_lgcyconv; /* Buffer for legacy wrappers */ 148 LineInfo el_lgcylinfo; /* Legacy LineInfo buffer */ 149 #endif 150 }; 151 152 protected int el_editmode(EditLine *, int, const Char **); 153 154 #ifdef DEBUG 155 #define EL_ABORT(a) do { \ 156 fprintf(el->el_errfile, "%s, %d: ", \ 157 __FILE__, __LINE__); \ 158 fprintf a; \ 159 abort(); \ 160 } while( /*CONSTCOND*/0); 161 #else 162 #define EL_ABORT(a) abort() 163 #endif 164 #endif /* _h_el */ 165