1 /* $NetBSD: el.h,v 1.25 2011/07/29 23:44:44 christos 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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)el.h 8.1 (Berkeley) 6/4/93 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 "histedit.h" 50 #include "chartype.h" 51 #include <stdio.h> 52 #include <sys/types.h> 53 54 #define EL_BUFSIZ ((size_t)1024) /* Maximum line size */ 55 56 #define HANDLE_SIGNALS 0x01 57 #define NO_TTY 0x02 58 #define EDIT_DISABLED 0x04 59 #define UNBUFFERED 0x08 60 #define CHARSET_IS_UTF8 0x10 61 #define IGNORE_EXTCHARS 0x20 /* Ignore characters read > 0xff */ 62 #define NARROW_HISTORY 0x40 63 #define NARROW_READ 0x80 64 65 typedef int bool_t; /* True or not */ 66 67 typedef unsigned char el_action_t; /* Index to command array */ 68 69 typedef struct coord_t { /* Position on the screen */ 70 int h; 71 int v; 72 } coord_t; 73 74 typedef struct el_line_t { 75 Char *buffer; /* Input line */ 76 Char *cursor; /* Cursor position */ 77 Char *lastchar; /* Last character */ 78 const Char *limit; /* Max position */ 79 } el_line_t; 80 81 /* 82 * Editor state 83 */ 84 typedef struct el_state_t { 85 int inputmode; /* What mode are we in? */ 86 int doingarg; /* Are we getting an argument? */ 87 int argument; /* Numeric argument */ 88 int metanext; /* Is the next char a meta char */ 89 el_action_t lastcmd; /* Previous command */ 90 el_action_t thiscmd; /* this command */ 91 Char thisch; /* char that generated it */ 92 } el_state_t; 93 94 /* 95 * Until we come up with something better... 96 */ 97 #define el_malloc(a) malloc(a) 98 #define el_realloc(a,b) realloc(a, b) 99 #define el_free(a) free(a) 100 101 #include "tty.h" 102 #include "prompt.h" 103 #include "keymacro.h" 104 #include "terminal.h" 105 #include "refresh.h" 106 #include "chared.h" 107 #include "common.h" 108 #include "search.h" 109 #include "hist.h" 110 #include "map.h" 111 #include "parse.h" 112 #include "sig.h" 113 #include "help.h" 114 #include "read.h" 115 116 struct editline { 117 Char *el_prog; /* the program name */ 118 FILE *el_infile; /* Stdio stuff */ 119 FILE *el_outfile; /* Stdio stuff */ 120 FILE *el_errfile; /* Stdio stuff */ 121 int el_infd; /* Input file descriptor */ 122 int el_outfd; /* Output file descriptor */ 123 int el_errfd; /* Error file descriptor */ 124 int el_flags; /* Various flags. */ 125 int el_errno; /* Local copy of errno */ 126 coord_t el_cursor; /* Cursor location */ 127 Char **el_display; /* Real screen image = what is there */ 128 Char **el_vdisplay; /* Virtual screen image = what we see */ 129 void *el_data; /* Client data */ 130 el_line_t el_line; /* The current line information */ 131 el_state_t el_state; /* Current editor state */ 132 el_terminal_t el_terminal; /* Terminal dependent stuff */ 133 el_tty_t el_tty; /* Tty dependent stuff */ 134 el_refresh_t el_refresh; /* Refresh stuff */ 135 el_prompt_t el_prompt; /* Prompt stuff */ 136 el_prompt_t el_rprompt; /* Prompt stuff */ 137 el_chared_t el_chared; /* Characted editor stuff */ 138 el_map_t el_map; /* Key mapping stuff */ 139 el_keymacro_t el_keymacro; /* Key binding stuff */ 140 el_history_t el_history; /* History stuff */ 141 el_search_t el_search; /* Search stuff */ 142 el_signal_t el_signal; /* Signal handling stuff */ 143 el_read_t el_read; /* Character reading stuff */ 144 #ifdef WIDECHAR 145 ct_buffer_t el_scratch; /* Scratch conversion buffer */ 146 ct_buffer_t el_lgcyconv; /* Buffer for legacy wrappers */ 147 LineInfo el_lgcylinfo; /* Legacy LineInfo buffer */ 148 #endif 149 }; 150 151 protected int el_editmode(EditLine *, int, const Char **); 152 153 #ifdef DEBUG 154 #define EL_ABORT(a) do { \ 155 fprintf(el->el_errfile, "%s, %d: ", \ 156 __FILE__, __LINE__); \ 157 fprintf a; \ 158 abort(); \ 159 } while( /*CONSTCOND*/0); 160 #else 161 #define EL_ABORT(a) abort() 162 #endif 163 #endif /* _h_el */ 164