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chared.h revision 1.8 
      1 /*	$NetBSD: chared.h,v 1.8 2002/03/18 16:00:51 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. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  *	@(#)chared.h	8.1 (Berkeley) 6/4/93
     39  */
     40 
     41 /*
     42  * el.chared.h: Character editor interface
     43  */
     44 #ifndef _h_el_chared
     45 #define	_h_el_chared
     46 
     47 #include <ctype.h>
     48 #include <string.h>
     49 
     50 #include "histedit.h"
     51 
     52 #define	EL_MAXMACRO	10
     53 
     54 /*
     55  * This is a issue of basic "vi" look-and-feel. Defining VI_MOVE works
     56  * like real vi: i.e. the transition from command<->insert modes moves
     57  * the cursor.
     58  *
     59  * On the other hand we really don't want to move the cursor, because
     60  * all the editing commands don't include the character under the cursor.
     61  * Probably the best fix is to make all the editing commands aware of
     62  * this fact.
     63  */
     64 #define	VI_MOVE
     65 
     66 
     67 typedef struct c_macro_t {
     68 	int	  level;
     69 	char	**macro;
     70 	char	 *nline;
     71 } c_macro_t;
     72 
     73 /*
     74  * Undo information for both vi and emacs
     75  */
     76 typedef struct c_undo_t {
     77 	int	 action;
     78 	size_t	 isize;
     79 	size_t	 dsize;
     80 	char	*ptr;
     81 	char	*buf;
     82 } c_undo_t;
     83 
     84 /*
     85  * Current action information for vi
     86  */
     87 typedef struct c_vcmd_t {
     88 	int	 action;
     89 	char	*pos;
     90 	char	*ins;
     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 /*
    103  * Note that we use both data structures because the user can bind
    104  * commands from both editors!
    105  */
    106 typedef struct el_chared_t {
    107 	c_undo_t	c_undo;
    108 	c_kill_t	c_kill;
    109 	c_vcmd_t	c_vcmd;
    110 	c_macro_t	c_macro;
    111 } el_chared_t;
    112 
    113 
    114 #define	STReof		"^D\b\b"
    115 #define	STRQQ		"\"\""
    116 
    117 #define	isglob(a)	(strchr("*[]?", (a)) != NULL)
    118 #define	isword(a)	(isprint(a))
    119 
    120 #define	NOP		0x00
    121 #define	DELETE		0x01
    122 #define	INSERT		0x02
    123 #define	CHANGE		0x04
    124 
    125 #define	CHAR_FWD	0
    126 #define	CHAR_BACK	1
    127 
    128 #define	MODE_INSERT	0
    129 #define	MODE_REPLACE	1
    130 #define	MODE_REPLACE_1	2
    131 
    132 #include "common.h"
    133 #include "vi.h"
    134 #include "emacs.h"
    135 #include "search.h"
    136 #include "fcns.h"
    137 
    138 
    139 protected int	 cv__isword(int);
    140 protected void	 cv_delfini(EditLine *);
    141 protected char	*cv__endword(char *, char *, int);
    142 protected int	 ce__isword(int);
    143 protected void	 cv_undo(EditLine *, int, size_t, char *);
    144 protected char	*cv_next_word(EditLine*, char *, char *, int, int (*)(int));
    145 protected char	*cv_prev_word(EditLine*, char *, char *, int, int (*)(int));
    146 protected char	*c__next_word(char *, char *, int, int (*)(int));
    147 protected char	*c__prev_word(char *, char *, int, int (*)(int));
    148 protected void	 c_insert(EditLine *, int);
    149 protected void	 c_delbefore(EditLine *, int);
    150 protected void	 c_delafter(EditLine *, int);
    151 protected int	 c_gets(EditLine *, char *);
    152 protected int	 c_hpos(EditLine *);
    153 
    154 protected int	 ch_init(EditLine *);
    155 protected void	 ch_reset(EditLine *);
    156 protected int	 ch_enlargebufs(EditLine *, size_t);
    157 protected void	 ch_end(EditLine *);
    158 
    159 #endif /* _h_el_chared */
    160