3e1db26a5a
Removing elvis, importing nvi, ctags, updating libedit. Change-Id: I881eb04d2dc64cf112facd992de1114e1a59107f
144 lines
3.2 KiB
C
144 lines
3.2 KiB
C
/* $NetBSD: v_right.c,v 1.1.1.2 2008/05/18 14:31:43 aymeric Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1992, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
* Copyright (c) 1992, 1993, 1994, 1995, 1996
|
|
* Keith Bostic. All rights reserved.
|
|
*
|
|
* See the LICENSE file for redistribution information.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#ifndef lint
|
|
static const char sccsid[] = "Id: v_right.c,v 10.8 2001/06/25 15:19:34 skimo Exp (Berkeley) Date: 2001/06/25 15:19:34";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <bitstring.h>
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
|
|
#include "../common/common.h"
|
|
#include "vi.h"
|
|
|
|
/*
|
|
* v_right -- [count]' ', [count]l
|
|
* Move right by columns.
|
|
*
|
|
* PUBLIC: int v_right __P((SCR *, VICMD *));
|
|
*/
|
|
int
|
|
v_right(SCR *sp, VICMD *vp)
|
|
{
|
|
size_t len;
|
|
int isempty;
|
|
|
|
if (db_eget(sp, vp->m_start.lno, NULL, &len, &isempty)) {
|
|
if (isempty)
|
|
goto eol;
|
|
return (1);
|
|
}
|
|
|
|
/* It's always illegal to move right on empty lines. */
|
|
if (len == 0) {
|
|
eol: v_eol(sp, NULL);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Non-motion commands move to the end of the range. Delete and
|
|
* yank stay at the start. Ignore others. Adjust the end of the
|
|
* range for motion commands.
|
|
*
|
|
* !!!
|
|
* Historically, "[cdsy]l" worked at the end of a line. Also,
|
|
* EOL is a count sink.
|
|
*/
|
|
vp->m_stop.cno = vp->m_start.cno +
|
|
(F_ISSET(vp, VC_C1SET) ? vp->count : 1);
|
|
if (vp->m_start.cno == len - 1 && !ISMOTION(vp)) {
|
|
v_eol(sp, NULL);
|
|
return (1);
|
|
}
|
|
if (vp->m_stop.cno >= len) {
|
|
vp->m_stop.cno = len - 1;
|
|
vp->m_final = ISMOTION(vp) ? vp->m_start : vp->m_stop;
|
|
} else if (ISMOTION(vp)) {
|
|
--vp->m_stop.cno;
|
|
vp->m_final = vp->m_start;
|
|
} else
|
|
vp->m_final = vp->m_stop;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* v_dollar -- [count]$
|
|
* Move to the last column.
|
|
*
|
|
* PUBLIC: int v_dollar __P((SCR *, VICMD *));
|
|
*/
|
|
int
|
|
v_dollar(SCR *sp, VICMD *vp)
|
|
{
|
|
size_t len;
|
|
int isempty;
|
|
|
|
/*
|
|
* !!!
|
|
* A count moves down count - 1 rows, so, "3$" is the same as "2j$".
|
|
*/
|
|
if ((F_ISSET(vp, VC_C1SET) ? vp->count : 1) != 1) {
|
|
/*
|
|
* !!!
|
|
* Historically, if the $ is a motion, and deleting from
|
|
* at or before the first non-blank of the line, it's a
|
|
* line motion, and the line motion flag is set.
|
|
*/
|
|
vp->m_stop.cno = 0;
|
|
if (nonblank(sp, vp->m_start.lno, &vp->m_stop.cno))
|
|
return (1);
|
|
if (ISMOTION(vp) && vp->m_start.cno <= vp->m_stop.cno)
|
|
F_SET(vp, VM_LMODE);
|
|
|
|
--vp->count;
|
|
if (v_down(sp, vp))
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* !!!
|
|
* Historically, it was illegal to use $ as a motion command on
|
|
* an empty line. Unfortunately, even though C was historically
|
|
* aliased to c$, it (and not c$) was special cased to work on
|
|
* empty lines. Since we alias C to c$ too, we have a problem.
|
|
* To fix it, we let c$ go through, on the assumption that it's
|
|
* not a problem for it to work.
|
|
*/
|
|
if (db_eget(sp, vp->m_stop.lno, NULL, &len, &isempty)) {
|
|
if (!isempty)
|
|
return (1);
|
|
len = 0;
|
|
}
|
|
|
|
if (len == 0) {
|
|
if (ISMOTION(vp) && !ISCMD(vp->rkp, 'c')) {
|
|
v_eol(sp, NULL);
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Non-motion commands move to the end of the range. Delete
|
|
* and yank stay at the start. Ignore others.
|
|
*/
|
|
vp->m_stop.cno = len ? len - 1 : 0;
|
|
vp->m_final = ISMOTION(vp) ? vp->m_start : vp->m_stop;
|
|
return (0);
|
|
}
|