2 * Copyright (c) 1992, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 * Copyright (c) 1992, 1993, 1994, 1995, 1996
5 * Keith Bostic. All rights reserved.
7 * See the LICENSE file for redistribution information.
13 static const char sccsid[] = "$Id: v_right.c,v 10.8 2001/06/25 15:19:34 skimo Exp $";
16 #include <sys/types.h>
17 #include <sys/queue.h>
20 #include <bitstring.h>
24 #include "../common/common.h"
28 * v_right -- [count]' ', [count]l
29 * Move right by columns.
31 * PUBLIC: int v_right(SCR *, VICMD *);
34 v_right(SCR *sp, VICMD *vp)
39 if (db_eget(sp, vp->m_start.lno, NULL, &len, &isempty)) {
45 /* It's always illegal to move right on empty lines. */
52 * Non-motion commands move to the end of the range. Delete and
53 * yank stay at the start. Ignore others. Adjust the end of the
54 * range for motion commands.
57 * Historically, "[cdsy]l" worked at the end of a line. Also,
58 * EOL is a count sink.
60 vp->m_stop.cno = vp->m_start.cno +
61 (F_ISSET(vp, VC_C1SET) ? vp->count : 1);
62 if (vp->m_start.cno == len - 1 && !ISMOTION(vp)) {
66 if (vp->m_stop.cno >= len) {
67 vp->m_stop.cno = len - 1;
68 vp->m_final = ISMOTION(vp) ? vp->m_start : vp->m_stop;
69 } else if (ISMOTION(vp)) {
71 vp->m_final = vp->m_start;
73 vp->m_final = vp->m_stop;
78 * v_dollar -- [count]$
79 * Move to the last column.
81 * PUBLIC: int v_dollar(SCR *, VICMD *);
84 v_dollar(SCR *sp, VICMD *vp)
91 * A count moves down count - 1 rows, so, "3$" is the same as "2j$".
93 if ((F_ISSET(vp, VC_C1SET) ? vp->count : 1) != 1) {
96 * Historically, if the $ is a motion, and deleting from
97 * at or before the first non-blank of the line, it's a
98 * line motion, and the line motion flag is set.
101 if (nonblank(sp, vp->m_start.lno, &vp->m_stop.cno))
103 if (ISMOTION(vp) && vp->m_start.cno <= vp->m_stop.cno)
113 * Historically, it was illegal to use $ as a motion command on
114 * an empty line. Unfortunately, even though C was historically
115 * aliased to c$, it (and not c$) was special cased to work on
116 * empty lines. Since we alias C to c$ too, we have a problem.
117 * To fix it, we let c$ go through, on the assumption that it's
118 * not a problem for it to work.
120 if (db_eget(sp, vp->m_stop.lno, NULL, &len, &isempty)) {
127 if (ISMOTION(vp) && !ISCMD(vp->rkp, 'c')) {
135 * Non-motion commands move to the end of the range. Delete
136 * and yank stay at the start. Ignore others.
138 vp->m_stop.cno = len ? len - 1 : 0;
139 vp->m_final = ISMOTION(vp) ? vp->m_start : vp->m_stop;