108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
|
/* $NetBSD: v_delete.c,v 1.1.1.2 2008/05/18 14:31:40 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_delete.c,v 10.11 2001/06/25 15:19:31 skimo Exp (Berkeley) Date: 2001/06/25 15:19:31";
|
||
|
|
#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(SCR *sp, VICMD *vp)
|
||
|
|
{
|
||
|
|
db_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);
|
||
|
|
}
|