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Diffstat (limited to 'src/chared.h')
| -rw-r--r-- | src/chared.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/chared.h b/src/chared.h new file mode 100644 index 0000000..176475a --- /dev/null +++ b/src/chared.h @@ -0,0 +1,171 @@ +/* $NetBSD: chared.h,v 1.21 2010/08/28 15:44:59 christos Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Christos Zoulas of Cornell University. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)chared.h 8.1 (Berkeley) 6/4/93 + */ + +/* + * el.chared.h: Character editor interface + */ +#ifndef _h_el_chared +#define _h_el_chared + +#include <ctype.h> +#include <string.h> + +#include "histedit.h" + +#define EL_MAXMACRO 10 + +/* + * This is an issue of basic "vi" look-and-feel. Defining VI_MOVE works + * like real vi: i.e. the transition from command<->insert modes moves + * the cursor. + * + * On the other hand we really don't want to move the cursor, because + * all the editing commands don't include the character under the cursor. + * Probably the best fix is to make all the editing commands aware of + * this fact. + */ +#define VI_MOVE + + +typedef struct c_macro_t { + int level; + int offset; + Char **macro; +} c_macro_t; + +/* + * Undo information for vi - no undo in emacs (yet) + */ +typedef struct c_undo_t { + ssize_t len; /* length of saved line */ + int cursor; /* position of saved cursor */ + Char *buf; /* full saved text */ +} c_undo_t; + +/* redo for vi */ +typedef struct c_redo_t { + Char *buf; /* redo insert key sequence */ + Char *pos; + Char *lim; + el_action_t cmd; /* command to redo */ + Char ch; /* char that invoked it */ + int count; + int action; /* from cv_action() */ +} c_redo_t; + +/* + * Current action information for vi + */ +typedef struct c_vcmd_t { + int action; + Char *pos; +} c_vcmd_t; + +/* + * Kill buffer for emacs + */ +typedef struct c_kill_t { + Char *buf; + Char *last; + Char *mark; +} c_kill_t; + +typedef void (*el_zfunc_t)(EditLine *, void *); + +/* + * Note that we use both data structures because the user can bind + * commands from both editors! + */ +typedef struct el_chared_t { + c_undo_t c_undo; + c_kill_t c_kill; + c_redo_t c_redo; + c_vcmd_t c_vcmd; + c_macro_t c_macro; + el_zfunc_t c_resizefun; + void * c_resizearg; +} el_chared_t; + + +#define STRQQ "\"\"" + +#define isglob(a) (strchr("*[]?", (a)) != NULL) + +#define NOP 0x00 +#define DELETE 0x01 +#define INSERT 0x02 +#define YANK 0x04 + +#define CHAR_FWD (+1) +#define CHAR_BACK (-1) + +#define MODE_INSERT 0 +#define MODE_REPLACE 1 +#define MODE_REPLACE_1 2 + +#include "common.h" +#include "vi.h" +#include "emacs.h" +#include "search.h" +#include "fcns.h" + + +protected int cv__isword(Int); +protected int cv__isWord(Int); +protected void cv_delfini(EditLine *); +protected Char *cv__endword(Char *, Char *, int, int (*)(Int)); +protected int ce__isword(Int); +protected void cv_undo(EditLine *); +protected void cv_yank(EditLine *, const Char *, int); +protected Char *cv_next_word(EditLine*, Char *, Char *, int, int (*)(Int)); +protected Char *cv_prev_word(Char *, Char *, int, int (*)(Int)); +protected Char *c__next_word(Char *, Char *, int, int (*)(Int)); +protected Char *c__prev_word(Char *, Char *, int, int (*)(Int)); +protected void c_insert(EditLine *, int); +protected void c_delbefore(EditLine *, int); +protected void c_delbefore1(EditLine *); +protected void c_delafter(EditLine *, int); +protected void c_delafter1(EditLine *); +protected int c_gets(EditLine *, Char *, const Char *); +protected int c_hpos(EditLine *); + +protected int ch_init(EditLine *); +protected void ch_reset(EditLine *, int); +protected int ch_resizefun(EditLine *, el_zfunc_t, void *); +protected int ch_enlargebufs(EditLine *, size_t); +protected void ch_end(EditLine *); + +#endif /* _h_el_chared */ |