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/*-
* 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[] = "@(#)v_delete.c 10.9 (Berkeley) 10/23/96";
#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_delete -- [buffer][count]d[count]motion
* [buffer][count]D
* Delete a range of text.
*
* PUBLIC: int v_delete __P((SCR *, VICMD *));
*/
int
v_delete(sp, vp)
SCR *sp;
VICMD *vp;
{
recno_t nlines;
size_t len;
int lmode;
lmode = F_ISSET(vp, VM_LMODE) ? CUT_LINEMODE : 0;
/* Yank the lines. */
if (cut(sp, F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL,
&vp->m_start, &vp->m_stop,
lmode | (F_ISSET(vp, VM_CUTREQ) ? CUT_NUMREQ : CUT_NUMOPT)))
return (1);
/* Delete the lines. */
if (del(sp, &vp->m_start, &vp->m_stop, lmode))
return (1);
/*
* Check for deletion of the entire file. Try to check a close
* by line so we don't go to the end of the file unnecessarily.
*/
if (!db_exist(sp, vp->m_final.lno + 1)) {
if (db_last(sp, &nlines))
return (1);
if (nlines == 0) {
vp->m_final.lno = 1;
vp->m_final.cno = 0;
return (0);
}
}
/*
* One special correction, in case we've deleted the current line or
* character. We check it here instead of checking in every command
* that can be a motion component.
*/
if (db_get(sp, vp->m_final.lno, 0, NULL, &len)) {
if (db_get(sp, nlines, DBG_FATAL, NULL, &len))
return (1);
vp->m_final.lno = nlines;
}
/*
* !!!
* Cursor movements, other than those caused by a line mode command
* moving to another line, historically reset the relative position.
*
* This currently matches the check made in v_yank(), I'm hoping that
* they should be consistent...
*/
if (!F_ISSET(vp, VM_LMODE)) {
F_CLR(vp, VM_RCM_MASK);
F_SET(vp, VM_RCM_SET);
/* Make sure the set cursor position exists. */
if (vp->m_final.cno >= len)
vp->m_final.cno = len ? len - 1 : 0;
}
/*
* !!!
* The "dd" command moved to the first non-blank; "d<motion>"
* didn't.
*/
if (F_ISSET(vp, VM_LDOUBLE)) {
F_CLR(vp, VM_RCM_MASK);
F_SET(vp, VM_RCM_SETFNB);
}
return (0);
}
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