134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)ex_move.c 8.6 (Berkeley) 1/9/94";
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#endif /* not lint */
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#include <sys/types.h>
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#include <string.h>
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#include "vi.h"
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#include "excmd.h"
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enum which {COPY, MOVE};
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static int cm __P((SCR *, EXF *, EXCMDARG *, enum which));
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/*
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* ex_copy -- :[line [,line]] co[py] line [flags]
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* Copy selected lines.
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*/
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int
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ex_copy(sp, ep, cmdp)
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SCR *sp;
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EXF *ep;
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EXCMDARG *cmdp;
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{
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return (cm(sp, ep, cmdp, COPY));
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}
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/*
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* ex_move -- :[line [,line]] co[py] line
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* Move selected lines.
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*/
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int
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ex_move(sp, ep, cmdp)
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SCR *sp;
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EXF *ep;
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EXCMDARG *cmdp;
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{
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return (cm(sp, ep, cmdp, MOVE));
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}
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static int
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cm(sp, ep, cmdp, cmd)
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SCR *sp;
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EXF *ep;
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EXCMDARG *cmdp;
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enum which cmd;
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{
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CB cb;
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MARK fm1, fm2, m, tm;
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recno_t diff;
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int rval;
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fm1 = cmdp->addr1;
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fm2 = cmdp->addr2;
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tm.lno = cmdp->lineno;
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tm.cno = 0;
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/* Make sure the destination is valid. */
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if (cmd == MOVE && tm.lno >= fm1.lno && tm.lno < fm2.lno) {
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msgq(sp, M_ERR, "Destination line is inside move range.");
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return (1);
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}
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/* Save the text to a cut buffer. */
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memset(&cb, 0, sizeof(cb));
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CIRCLEQ_INIT(&cb.textq);
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if (cut(sp, ep, &cb, NULL, &fm1, &fm2, CUT_LINEMODE))
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return (1);
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/* If we're not copying, delete the old text and adjust tm. */
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if (cmd == MOVE) {
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if (delete(sp, ep, &fm1, &fm2, 1)) {
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rval = 1;
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goto err;
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}
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if (tm.lno >= fm1.lno)
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tm.lno -= (fm2.lno - fm1.lno) + 1;
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}
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/* Add the new text. */
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if (put(sp, ep, &cb, NULL, &tm, &m, 1)) {
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rval = 1;
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goto err;
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}
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/*
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* Move and copy put the cursor on the last line moved or copied.
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* The returned cursor from the put routine is the first line put,
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* not the last, because that's the semantics of vi.
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*/
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diff = (fm2.lno - fm1.lno) + 1;
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sp->lno = m.lno + (diff - 1);
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sp->cno = 0;
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sp->rptlines[cmd == COPY ? L_COPIED : L_MOVED] += diff;
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rval = 0;
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err: (void)text_lfree(&cb.textq);
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return (rval);
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}
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