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: ex_move.c,v 10.12 2000/06/27 17:19:06 skimo Exp $ (Berkeley) $Date: 2000/06/27 17:19:06 $";
16 #include <sys/types.h>
17 #include <sys/queue.h>
19 #include <bitstring.h>
25 #include "../common/common.h"
28 * ex_copy -- :[line [,line]] co[py] line [flags]
29 * Copy selected lines.
31 * PUBLIC: int ex_copy __P((SCR *, EXCMD *));
48 * It's possible to copy things into the area that's being
49 * copied, e.g. "2,5copy3" is legitimate. Save the text to
54 memset(&cb
, 0, sizeof(cb
));
55 CIRCLEQ_INIT(&cb
.textq
);
56 for (cnt
= fm1
.lno
; cnt
<= fm2
.lno
; ++cnt
)
57 if (cut_line(sp
, cnt
, 0, 0, &cb
)) {
63 /* Put the text into place. */
64 tm
.lno
= cmdp
->lineno
;
66 if (put(sp
, &cb
, NULL
, &tm
, &m
, 1))
70 * Copy puts the cursor on the last line copied. The cursor
71 * returned by the put routine is the first line put, not the
72 * last, because that's the historic semantic of vi.
74 cnt
= (fm2
.lno
- fm1
.lno
) + 1;
75 sp
->lno
= m
.lno
+ (cnt
- 1);
78 err
: text_lfree(&cb
.textq
);
83 * ex_move -- :[line [,line]] mo[ve] line
84 * Move selected lines.
86 * PUBLIC: int ex_move __P((SCR *, EXCMD *));
95 db_recno_t cnt
, diff
, fl
, tl
, mfl
, mtl
;
104 * It's not possible to move things into the area that's being
109 if (cmdp
->lineno
>= fm1
.lno
&& cmdp
->lineno
<= fm2
.lno
) {
110 msgq(sp
, M_ERR
, "139|Destination line is inside move range");
115 * Log the positions of any marks in the to-be-deleted lines. This
116 * has to work with the logging code. What happens is that we log
117 * the old mark positions, make the changes, then log the new mark
118 * positions. Then the marks end up in the right positions no matter
119 * which way the log is traversed.
122 * Reset the MARK_USERSET flag so that the log can undo the mark.
123 * This isn't very clean, and should probably be fixed.
128 /* Log the old positions of the marks. */
130 for (lmp
= sp
->ep
->marks
.lh_first
; lmp
!= NULL
; lmp
= lmp
->q
.le_next
)
131 if (lmp
->name
!= ABSMARK1
&&
132 lmp
->lno
>= fl
&& lmp
->lno
<= tl
) {
134 F_CLR(lmp
, MARK_USERSET
);
135 (void)log_mark(sp
, lmp
);
138 /* Get memory for the copy. */
139 GET_SPACE_RET(sp
, bp
, blen
, 256);
141 /* Move the lines. */
142 diff
= (fm2
.lno
- fm1
.lno
) + 1;
143 if (tl
> fl
) { /* Destination > source. */
146 for (cnt
= diff
; cnt
--;) {
147 if (db_get(sp
, fl
, DBG_FATAL
, &p
, &len
))
149 BINC_RET(sp
, bp
, blen
, len
);
151 if (db_append(sp
, 1, tl
, bp
, len
))
154 for (lmp
= sp
->ep
->marks
.lh_first
;
155 lmp
!= NULL
; lmp
= lmp
->q
.le_next
)
156 if (lmp
->name
!= ABSMARK1
&&
159 if (db_delete(sp
, fl
))
162 } else { /* Destination < source. */
165 for (cnt
= diff
; cnt
--;) {
166 if (db_get(sp
, fl
, DBG_FATAL
, &p
, &len
))
168 BINC_RET(sp
, bp
, blen
, len
);
170 if (db_append(sp
, 1, tl
++, bp
, len
))
173 for (lmp
= sp
->ep
->marks
.lh_first
;
174 lmp
!= NULL
; lmp
= lmp
->q
.le_next
)
175 if (lmp
->name
!= ABSMARK1
&&
179 if (db_delete(sp
, fl
))
183 FREE_SPACE(sp
, bp
, blen
);
185 sp
->lno
= tl
; /* Last line moved. */
188 /* Log the new positions of the marks. */
190 for (lmp
= sp
->ep
->marks
.lh_first
;
191 lmp
!= NULL
; lmp
= lmp
->q
.le_next
)
192 if (lmp
->name
!= ABSMARK1
&&
193 lmp
->lno
>= mfl
&& lmp
->lno
<= mtl
)
194 (void)log_mark(sp
, lmp
);
197 sp
->rptlines
[L_MOVED
] += diff
;