source: heimdal/trunk/lib/libedit/src/el.h

Last change on this file was 1, checked in by Paul Smedley, 10 years ago

Initial commit of Heimdal 1.5.3
File size: 5.3 KB
Line 
1/* $NetBSD: el.h,v 1.22 2011/01/27 23:11:40 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 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 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 "key.h"
104#include "el_term.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
116struct 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_term_t el_term; /* 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_key_t el_key; /* 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
151protected 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 */
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