1/* $NetBSD: chared.h,v 1.30 2016/05/22 19:44:26 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 */ 36 37/* 38 * el.chared.h: Character editor interface 39 */ 40#ifndef _h_el_chared 41#define _h_el_chared 42 43/* 44 * This is an issue of basic "vi" look-and-feel. Defining VI_MOVE works 45 * like real vi: i.e. the transition from command<->insert modes moves 46 * the cursor. 47 * 48 * On the other hand we really don't want to move the cursor, because 49 * all the editing commands don't include the character under the cursor. 50 * Probably the best fix is to make all the editing commands aware of 51 * this fact. 52 */ 53#define VI_MOVE 54 55/* 56 * Undo information for vi - no undo in emacs (yet) 57 */ 58typedef struct c_undo_t { 59 ssize_t len; /* length of saved line */ 60 int cursor; /* position of saved cursor */ 61 wchar_t *buf; /* full saved text */ 62} c_undo_t; 63 64/* redo for vi */ 65typedef struct c_redo_t { 66 wchar_t *buf; /* redo insert key sequence */ 67 wchar_t *pos; 68 wchar_t *lim; 69 el_action_t cmd; /* command to redo */ 70 wchar_t ch; /* char that invoked it */ 71 int count; 72 int action; /* from cv_action() */ 73} c_redo_t; 74 75/* 76 * Current action information for vi 77 */ 78typedef struct c_vcmd_t { 79 int action; 80 wchar_t *pos; 81} c_vcmd_t; 82 83/* 84 * Kill buffer for emacs 85 */ 86typedef struct c_kill_t { 87 wchar_t *buf; 88 wchar_t *last; 89 wchar_t *mark; 90} c_kill_t; 91 92typedef void (*el_zfunc_t)(EditLine *, void *); 93typedef const char *(*el_afunc_t)(void *, const char *); 94 95/* 96 * Note that we use both data structures because the user can bind 97 * commands from both editors! 98 */ 99typedef struct el_chared_t { 100 c_undo_t c_undo; 101 c_kill_t c_kill; 102 c_redo_t c_redo; 103 c_vcmd_t c_vcmd; 104 el_zfunc_t c_resizefun; 105 el_afunc_t c_aliasfun; 106 void * c_resizearg; 107 void * c_aliasarg; 108} el_chared_t; 109 110 111#define STRQQ "\"\"" 112 113#define isglob(a) (strchr("*[]?", (a)) != NULL) 114 115#define NOP 0x00 116#define DELETE 0x01 117#define INSERT 0x02 118#define YANK 0x04 119 120#define CHAR_FWD (+1) 121#define CHAR_BACK (-1) 122 123#define MODE_INSERT 0 124#define MODE_REPLACE 1 125#define MODE_REPLACE_1 2 126 127 128libedit_private int cv__isword(wint_t); 129libedit_private int cv__isWord(wint_t); 130libedit_private void cv_delfini(EditLine *); 131libedit_private wchar_t *cv__endword(wchar_t *, wchar_t *, int, int (*)(wint_t)); 132libedit_private int ce__isword(wint_t); 133libedit_private void cv_undo(EditLine *); 134libedit_private void cv_yank(EditLine *, const wchar_t *, int); 135libedit_private wchar_t *cv_next_word(EditLine*, wchar_t *, wchar_t *, int, 136 int (*)(wint_t)); 137libedit_private wchar_t *cv_prev_word(wchar_t *, wchar_t *, int, int (*)(wint_t)); 138libedit_private wchar_t *c__next_word(wchar_t *, wchar_t *, int, int (*)(wint_t)); 139libedit_private wchar_t *c__prev_word(wchar_t *, wchar_t *, int, int (*)(wint_t)); 140libedit_private void c_insert(EditLine *, int); 141libedit_private void c_delbefore(EditLine *, int); 142libedit_private void c_delbefore1(EditLine *); 143libedit_private void c_delafter(EditLine *, int); 144libedit_private void c_delafter1(EditLine *); 145libedit_private int c_gets(EditLine *, wchar_t *, const wchar_t *); 146libedit_private int c_hpos(EditLine *); 147 148libedit_private int ch_init(EditLine *); 149libedit_private void ch_reset(EditLine *); 150libedit_private int ch_resizefun(EditLine *, el_zfunc_t, void *); 151libedit_private int ch_aliasfun(EditLine *, el_afunc_t, void *); 152libedit_private int ch_enlargebufs(EditLine *, size_t); 153libedit_private void ch_end(EditLine *); 154 155#endif /* _h_el_chared */ 156