1 /* $NetBSD: chared.h,v 1.27 2016/02/16 22:53:14 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 * @(#)chared.h 8.1 (Berkeley) 6/4/93 35 * $FreeBSD$ 36 */ 37 38 /* 39 * el.chared.h: Character editor interface 40 */ 41 #ifndef _h_el_chared 42 #define _h_el_chared 43 44 #define EL_MAXMACRO 10 45 46 /* 47 * This is an issue of basic "vi" look-and-feel. Defining VI_MOVE works 48 * like real vi: i.e. the transition from command<->insert modes moves 49 * the cursor. 50 * 51 * On the other hand we really don't want to move the cursor, because 52 * all the editing commands don't include the character under the cursor. 53 * Probably the best fix is to make all the editing commands aware of 54 * this fact. 55 */ 56 #define VI_MOVE 57 58 59 typedef struct c_macro_t { 60 int level; 61 int offset; 62 Char **macro; 63 } c_macro_t; 64 65 /* 66 * Undo information for vi - no undo in emacs (yet) 67 */ 68 typedef struct c_undo_t { 69 ssize_t len; /* length of saved line */ 70 int cursor; /* position of saved cursor */ 71 Char *buf; /* full saved text */ 72 } c_undo_t; 73 74 /* redo for vi */ 75 typedef struct c_redo_t { 76 Char *buf; /* redo insert key sequence */ 77 Char *pos; 78 Char *lim; 79 el_action_t cmd; /* command to redo */ 80 Char ch; /* char that invoked it */ 81 int count; 82 int action; /* from cv_action() */ 83 } c_redo_t; 84 85 /* 86 * Current action information for vi 87 */ 88 typedef struct c_vcmd_t { 89 int action; 90 Char *pos; 91 } c_vcmd_t; 92 93 /* 94 * Kill buffer for emacs 95 */ 96 typedef struct c_kill_t { 97 Char *buf; 98 Char *last; 99 Char *mark; 100 } c_kill_t; 101 102 typedef void (*el_zfunc_t)(EditLine *, void *); 103 typedef const char *(*el_afunc_t)(void *, const char *); 104 105 /* 106 * Note that we use both data structures because the user can bind 107 * commands from both editors! 108 */ 109 typedef struct el_chared_t { 110 c_undo_t c_undo; 111 c_kill_t c_kill; 112 c_redo_t c_redo; 113 c_vcmd_t c_vcmd; 114 c_macro_t c_macro; 115 el_zfunc_t c_resizefun; 116 el_afunc_t c_aliasfun; 117 void * c_resizearg; 118 void * c_aliasarg; 119 } el_chared_t; 120 121 122 #define STRQQ "\"\"" 123 124 #define isglob(a) (strchr("*[]?", (a)) != NULL) 125 126 #define NOP 0x00 127 #define DELETE 0x01 128 #define INSERT 0x02 129 #define YANK 0x04 130 131 #define CHAR_FWD (+1) 132 #define CHAR_BACK (-1) 133 134 #define MODE_INSERT 0 135 #define MODE_REPLACE 1 136 #define MODE_REPLACE_1 2 137 138 139 protected int cv__isword(wint_t); 140 protected int cv__isWord(wint_t); 141 protected void cv_delfini(EditLine *); 142 protected Char *cv__endword(Char *, Char *, int, int (*)(wint_t)); 143 protected int ce__isword(wint_t); 144 protected void cv_undo(EditLine *); 145 protected void cv_yank(EditLine *, const Char *, int); 146 protected Char *cv_next_word(EditLine*, Char *, Char *, int, int (*)(wint_t)); 147 protected Char *cv_prev_word(Char *, Char *, int, int (*)(wint_t)); 148 protected Char *c__next_word(Char *, Char *, int, int (*)(wint_t)); 149 protected Char *c__prev_word(Char *, Char *, int, int (*)(wint_t)); 150 protected void c_insert(EditLine *, int); 151 protected void c_delbefore(EditLine *, int); 152 protected void c_delbefore1(EditLine *); 153 protected void c_delafter(EditLine *, int); 154 protected void c_delafter1(EditLine *); 155 protected int c_gets(EditLine *, Char *, const Char *); 156 protected int c_hpos(EditLine *); 157 158 protected int ch_init(EditLine *); 159 protected void ch_reset(EditLine *, int); 160 protected int ch_resizefun(EditLine *, el_zfunc_t, void *); 161 protected int ch_aliasfun(EditLine *, el_afunc_t, void *); 162 protected int ch_enlargebufs(EditLine *, size_t); 163 protected void ch_end(EditLine *); 164 165 #endif /* _h_el_chared */ 166