1 /* $NetBSD: el.h,v 1.46 2021/08/15 10:08:41 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 52 #define EL_BUFSIZ ((size_t)1024) /* Maximum line size */ 53 54 #define HANDLE_SIGNALS 0x001 55 #define NO_TTY 0x002 56 #define EDIT_DISABLED 0x004 57 #define UNBUFFERED 0x008 58 #define NARROW_HISTORY 0x040 59 #define NO_RESET 0x080 60 #define FIXIO 0x100 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 /* 90 * Until we come up with something better... 91 */ 92 #define el_malloc(a) malloc(a) 93 #define el_calloc(a,b) calloc(a, b) 94 #define el_realloc(a,b) realloc(a, b) 95 #define el_free(a) free(a) 96 97 #include "tty.h" 98 #include "prompt.h" 99 #include "literal.h" 100 #include "keymacro.h" 101 #include "terminal.h" 102 #include "refresh.h" 103 #include "chared.h" 104 #include "search.h" 105 #include "hist.h" 106 #include "map.h" 107 #include "sig.h" 108 109 struct el_read_t; 110 111 struct editline { 112 wchar_t *el_prog; /* the program name */ 113 FILE *el_infile; /* Stdio stuff */ 114 FILE *el_outfile; /* Stdio stuff */ 115 FILE *el_errfile; /* Stdio stuff */ 116 int el_infd; /* Input file descriptor */ 117 int el_outfd; /* Output file descriptor */ 118 int el_errfd; /* Error file descriptor */ 119 int el_flags; /* Various flags. */ 120 coord_t el_cursor; /* Cursor location */ 121 wint_t **el_display; /* Real screen image = what is there */ 122 wint_t **el_vdisplay; /* Virtual screen image = what we see */ 123 void *el_data; /* Client data */ 124 el_line_t el_line; /* The current line information */ 125 el_state_t el_state; /* Current editor state */ 126 el_terminal_t el_terminal; /* Terminal dependent stuff */ 127 el_tty_t el_tty; /* Tty dependent stuff */ 128 el_refresh_t el_refresh; /* Refresh stuff */ 129 el_prompt_t el_prompt; /* Prompt stuff */ 130 el_prompt_t el_rprompt; /* Prompt stuff */ 131 el_literal_t el_literal; /* prompt literal bits */ 132 el_chared_t el_chared; /* Characted editor stuff */ 133 el_map_t el_map; /* Key mapping stuff */ 134 el_keymacro_t el_keymacro; /* Key binding stuff */ 135 el_history_t el_history; /* History stuff */ 136 el_search_t el_search; /* Search stuff */ 137 el_signal_t el_signal; /* Signal handling stuff */ 138 struct el_read_t *el_read; /* Character reading stuff */ 139 ct_buffer_t el_visual; /* Buffer for displayable str */ 140 ct_buffer_t el_scratch; /* Scratch conversion buffer */ 141 ct_buffer_t el_lgcyconv; /* Buffer for legacy wrappers */ 142 LineInfo el_lgcylinfo; /* Legacy LineInfo buffer */ 143 }; 144 145 libedit_private int el_editmode(EditLine *, int, const wchar_t **); 146 libedit_private EditLine *el_init_internal(const char *, FILE *, FILE *, 147 FILE *, int, int, int, int); 148 149 #ifdef DEBUG 150 #define EL_ABORT(a) do { \ 151 fprintf(el->el_errfile, "%s, %d: ", \ 152 __FILE__, __LINE__); \ 153 fprintf a; \ 154 abort(); \ 155 } while( /*CONSTCOND*/0); 156 #else 157 #define EL_ABORT(a) abort() 158 #endif 159 #endif /* _h_el */ 160