1 /* $OpenBSD: el.h,v 1.22 2016/05/25 09:23:49 schwarze Exp $ */ 2 /* $NetBSD: el.h,v 1.37 2016/04/18 17:01:19 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 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 #define CHARSET_IS_UTF8 0x10 60 #define NARROW_HISTORY 0x40 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 wchar_t *buffer; /* Input line */ 71 wchar_t *cursor; /* Cursor position */ 72 wchar_t *lastchar; /* Last character */ 73 const wchar_t *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 wchar_t thisch; /* char that generated it */ 87 } el_state_t; 88 89 #include "tty.h" 90 #include "prompt.h" 91 #include "keymacro.h" 92 #include "terminal.h" 93 #include "refresh.h" 94 #include "chared.h" 95 #include "search.h" 96 #include "hist.h" 97 #include "map.h" 98 #include "sig.h" 99 100 struct el_read_t; 101 102 struct editline { 103 wchar_t *el_prog; /* the program name */ 104 FILE *el_infile; /* Stdio stuff */ 105 FILE *el_outfile; /* Stdio stuff */ 106 FILE *el_errfile; /* Stdio stuff */ 107 int el_infd; /* Input file descriptor */ 108 int el_outfd; /* Output file descriptor */ 109 int el_errfd; /* Error file descriptor */ 110 int el_flags; /* Various flags. */ 111 coord_t el_cursor; /* Cursor location */ 112 wchar_t **el_display; /* Real screen image = what is there */ 113 wchar_t **el_vdisplay; /* Virtual screen image = what we see */ 114 void *el_data; /* Client data */ 115 el_line_t el_line; /* The current line information */ 116 el_state_t el_state; /* Current editor state */ 117 el_terminal_t el_terminal; /* Terminal dependent stuff */ 118 el_tty_t el_tty; /* Tty dependent stuff */ 119 el_refresh_t el_refresh; /* Refresh stuff */ 120 el_prompt_t el_prompt; /* Prompt stuff */ 121 el_prompt_t el_rprompt; /* Prompt stuff */ 122 el_chared_t el_chared; /* Characted editor stuff */ 123 el_map_t el_map; /* Key mapping stuff */ 124 el_keymacro_t el_keymacro; /* Key binding stuff */ 125 el_history_t el_history; /* History stuff */ 126 el_search_t el_search; /* Search stuff */ 127 el_signal_t el_signal; /* Signal handling stuff */ 128 struct el_read_t *el_read; /* Character reading stuff */ 129 ct_buffer_t el_scratch; /* Scratch conversion buffer */ 130 ct_buffer_t el_lgcyconv; /* Buffer for legacy wrappers */ 131 LineInfo el_lgcylinfo; /* Legacy LineInfo buffer */ 132 }; 133 134 protected int el_editmode(EditLine *, int, const wchar_t **); 135 136 #ifdef DEBUG 137 #define EL_ABORT(a) do { \ 138 fprintf(el->el_errfile, "%s, %d: ", \ 139 __FILE__, __LINE__); \ 140 fprintf a; \ 141 abort(); \ 142 } while( /*CONSTCOND*/0); 143 #else 144 #define EL_ABORT(a) abort() 145 #endif 146 #endif /* _h_el */ 147