| 1 | /* $NetBSD: chared.h,v 1.21 2010/08/28 15:44:59 christos Exp $ */
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| 2 |
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| 3 | /*-
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| 4 | * Copyright (c) 1992, 1993
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| 5 | * The Regents of the University of California. All rights reserved.
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| 6 | *
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| 7 | * This code is derived from software contributed to Berkeley by
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| 8 | * Christos Zoulas of Cornell University.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without
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| 11 | * modification, are permitted provided that the following conditions
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| 12 | * are met:
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| 13 | * 1. Redistributions of source code must retain the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer.
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer in the
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| 17 | * documentation and/or other materials provided with the distribution.
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| 18 | * 3. Neither the name of the University nor the names of its contributors
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| 19 | * may be used to endorse or promote products derived from this software
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| 20 | * without specific prior written permission.
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| 21 | *
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 32 | * SUCH DAMAGE.
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| 33 | *
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| 34 | * @(#)chared.h 8.1 (Berkeley) 6/4/93
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| 35 | */
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| 36 |
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| 37 | /*
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| 38 | * el.chared.h: Character editor interface
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| 39 | */
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| 40 | #ifndef _h_el_chared
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| 41 | #define _h_el_chared
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| 42 |
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| 43 | #include <ctype.h>
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| 44 | #include <string.h>
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| 45 |
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| 46 | #include "histedit.h"
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| 47 |
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| 48 | #define EL_MAXMACRO 10
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| 49 |
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| 50 | /*
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| 51 | * This is an issue of basic "vi" look-and-feel. Defining VI_MOVE works
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| 52 | * like real vi: i.e. the transition from command<->insert modes moves
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| 53 | * the cursor.
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| 54 | *
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| 55 | * On the other hand we really don't want to move the cursor, because
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| 56 | * all the editing commands don't include the character under the cursor.
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| 57 | * Probably the best fix is to make all the editing commands aware of
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| 58 | * this fact.
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| 59 | */
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| 60 | #define VI_MOVE
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| 61 |
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| 62 |
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| 63 | typedef struct c_macro_t {
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| 64 | int level;
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| 65 | int offset;
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| 66 | Char **macro;
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| 67 | } c_macro_t;
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| 68 |
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| 69 | /*
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| 70 | * Undo information for vi - no undo in emacs (yet)
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| 71 | */
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| 72 | typedef struct c_undo_t {
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| 73 | ssize_t len; /* length of saved line */
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| 74 | int cursor; /* position of saved cursor */
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| 75 | Char *buf; /* full saved text */
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| 76 | } c_undo_t;
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| 77 |
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| 78 | /* redo for vi */
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| 79 | typedef struct c_redo_t {
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| 80 | Char *buf; /* redo insert key sequence */
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| 81 | Char *pos;
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| 82 | Char *lim;
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| 83 | el_action_t cmd; /* command to redo */
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| 84 | Char ch; /* char that invoked it */
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| 85 | int count;
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| 86 | int action; /* from cv_action() */
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| 87 | } c_redo_t;
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| 88 |
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| 89 | /*
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| 90 | * Current action information for vi
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| 91 | */
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| 92 | typedef struct c_vcmd_t {
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| 93 | int action;
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| 94 | Char *pos;
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| 95 | } c_vcmd_t;
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| 96 |
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| 97 | /*
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| 98 | * Kill buffer for emacs
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| 99 | */
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| 100 | typedef struct c_kill_t {
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| 101 | Char *buf;
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| 102 | Char *last;
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| 103 | Char *mark;
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| 104 | } c_kill_t;
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| 105 |
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| 106 | typedef void (*el_zfunc_t)(EditLine *, void *);
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| 107 |
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| 108 | /*
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| 109 | * Note that we use both data structures because the user can bind
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| 110 | * commands from both editors!
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| 111 | */
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| 112 | typedef struct el_chared_t {
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| 113 | c_undo_t c_undo;
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| 114 | c_kill_t c_kill;
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| 115 | c_redo_t c_redo;
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| 116 | c_vcmd_t c_vcmd;
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| 117 | c_macro_t c_macro;
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| 118 | el_zfunc_t c_resizefun;
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| 119 | void * c_resizearg;
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| 120 | } el_chared_t;
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| 121 |
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| 122 |
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| 123 | #define STRQQ "\"\""
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| 124 |
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| 125 | #define isglob(a) (strchr("*[]?", (a)) != NULL)
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| 126 |
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| 127 | #define NOP 0x00
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| 128 | #define DELETE 0x01
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| 129 | #define INSERT 0x02
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| 130 | #define YANK 0x04
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| 131 |
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| 132 | #define CHAR_FWD (+1)
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| 133 | #define CHAR_BACK (-1)
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| 134 |
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| 135 | #define MODE_INSERT 0
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| 136 | #define MODE_REPLACE 1
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| 137 | #define MODE_REPLACE_1 2
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| 138 |
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| 139 | #include "common.h"
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| 140 | #include "vi.h"
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| 141 | #include "emacs.h"
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| 142 | #include "search.h"
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| 143 | #include "fcns.h"
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| 144 |
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| 145 |
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| 146 | protected int cv__isword(Int);
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| 147 | protected int cv__isWord(Int);
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| 148 | protected void cv_delfini(EditLine *);
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| 149 | protected Char *cv__endword(Char *, Char *, int, int (*)(Int));
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| 150 | protected int ce__isword(Int);
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| 151 | protected void cv_undo(EditLine *);
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| 152 | protected void cv_yank(EditLine *, const Char *, int);
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| 153 | protected Char *cv_next_word(EditLine*, Char *, Char *, int, int (*)(Int));
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| 154 | protected Char *cv_prev_word(Char *, Char *, int, int (*)(Int));
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| 155 | protected Char *c__next_word(Char *, Char *, int, int (*)(Int));
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| 156 | protected Char *c__prev_word(Char *, Char *, int, int (*)(Int));
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| 157 | protected void c_insert(EditLine *, int);
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| 158 | protected void c_delbefore(EditLine *, int);
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| 159 | protected void c_delbefore1(EditLine *);
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| 160 | protected void c_delafter(EditLine *, int);
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| 161 | protected void c_delafter1(EditLine *);
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| 162 | protected int c_gets(EditLine *, Char *, const Char *);
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| 163 | protected int c_hpos(EditLine *);
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| 164 |
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| 165 | protected int ch_init(EditLine *);
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| 166 | protected void ch_reset(EditLine *, int);
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| 167 | protected int ch_resizefun(EditLine *, el_zfunc_t, void *);
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| 168 | protected int ch_enlargebufs(EditLine *, size_t);
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| 169 | protected void ch_end(EditLine *);
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| 170 |
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| 171 | #endif /* _h_el_chared */
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