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 65typedef int bool_t; /* True or not */ 66 67typedef unsigned char el_action_t; /* Index to command array */ 68 69typedef struct coord_t { /* Position on the screen */ 70 int h; 71 int v; 72} coord_t; 73 74typedef 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 */ 84typedef 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 /* 92 * 8519376: Use an unnamed union to force the size of el_state_t to 93 * be the same, independent of the size of Char. 94 */ 95 union { 96 Char thisch; /* char that generated it */ 97 wchar_t dummy; 98 }; 99} el_state_t; 100 101/* 102 * Until we come up with something better... 103 */ 104#define el_malloc(a) malloc(a) 105#define el_realloc(a,b) realloc(a, b) 106#define el_free(a) free(a) 107 108#include "tty.h" 109#include "prompt.h" 110#include "keymacro.h" 111#include "terminal.h" 112#include "refresh.h" 113#include "chared.h" 114#include "common.h" 115#include "search.h" 116#include "hist.h" 117#include "map.h" 118#include "parse.h" 119#include "sig.h" 120#include "help.h" 121#include "read.h" 122 123struct editline { 124 Char *el_prog; /* the program name */ 125 FILE *el_infile; /* Stdio stuff */ 126 FILE *el_outfile; /* Stdio stuff */ 127 FILE *el_errfile; /* Stdio stuff */ 128 int el_infd; /* Input file descriptor */ 129 int el_outfd; /* Output file descriptor */ 130 int el_errfd; /* Error file descriptor */ 131 int el_flags; /* Various flags. */ 132 int el_errno; /* Local copy of errno */ 133 coord_t el_cursor; /* Cursor location */ 134 Char **el_display; /* Real screen image = what is there */ 135 Char **el_vdisplay; /* Virtual screen image = what we see */ 136 void *el_data; /* Client data */ 137 el_line_t el_line; /* The current line information */ 138 el_state_t el_state; /* Current editor state */ 139 el_terminal_t el_terminal; /* Terminal dependent stuff */ 140 el_tty_t el_tty; /* Tty dependent stuff */ 141 el_refresh_t el_refresh; /* Refresh stuff */ 142 el_prompt_t el_prompt; /* Prompt stuff */ 143 el_prompt_t el_rprompt; /* Prompt stuff */ 144 el_chared_t el_chared; /* Characted editor stuff */ 145 el_map_t el_map; /* Key mapping stuff */ 146 el_keymacro_t el_keymacro; /* Key binding stuff */ 147 el_history_t el_history; /* History stuff */ 148 el_search_t el_search; /* Search stuff */ 149 el_signal_t el_signal; /* Signal handling stuff */ 150 el_read_t el_read; /* Character reading stuff */ 151#ifdef WIDECHAR 152 ct_buffer_t el_scratch; /* Scratch conversion buffer */ 153 ct_buffer_t el_lgcyconv; /* Buffer for legacy wrappers */ 154 LineInfo el_lgcylinfo; /* Legacy LineInfo buffer */ 155#endif 156}; 157 158protected int el_editmode(EditLine *, int, const Char **); 159 160#ifdef DEBUG 161#define EL_ABORT(a) do { \ 162 fprintf(el->el_errfile, "%s, %d: ", \ 163 __FILE__, __LINE__); \ 164 fprintf a; \ 165 abort(); \ 166 } while( /*CONSTCOND*/0); 167#else 168#define EL_ABORT(a) abort() 169#endif 170#endif /* _h_el */ 171