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[] = "@(#)ex_move.c 10.10 (Berkeley) 9/15/96";
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 recno_t cnt, diff, fl, tl, mfl, mtl;
103 * It's not possible to move things into the area that's being
108 if (cmdp->lineno >= fm1.lno && cmdp->lineno <= fm2.lno) {
109 msgq(sp, M_ERR, "139|Destination line is inside move range");
114 * Log the positions of any marks in the to-be-deleted lines. This
115 * has to work with the logging code. What happens is that we log
116 * the old mark positions, make the changes, then log the new mark
117 * positions. Then the marks end up in the right positions no matter
118 * which way the log is traversed.
121 * Reset the MARK_USERSET flag so that the log can undo the mark.
122 * This isn't very clean, and should probably be fixed.
127 /* Log the old positions of the marks. */
129 for (lmp = sp->ep->marks.lh_first; lmp != NULL; lmp = lmp->q.le_next)
130 if (lmp->name != ABSMARK1 &&
131 lmp->lno >= fl && lmp->lno <= tl) {
133 F_CLR(lmp, MARK_USERSET);
134 (void)log_mark(sp, lmp);
137 /* Get memory for the copy. */
138 GET_SPACE_RET(sp, bp, blen, 256);
140 /* Move the lines. */
141 diff = (fm2.lno - fm1.lno) + 1;
142 if (tl > fl) { /* Destination > source. */
145 for (cnt = diff; cnt--;) {
146 if (db_get(sp, fl, DBG_FATAL, &p, &len))
148 BINC_RET(sp, bp, blen, len);
150 if (db_append(sp, 1, tl, bp, len))
153 for (lmp = sp->ep->marks.lh_first;
154 lmp != NULL; lmp = lmp->q.le_next)
155 if (lmp->name != ABSMARK1 &&
158 if (db_delete(sp, fl))
161 } else { /* Destination < source. */
164 for (cnt = diff; cnt--;) {
165 if (db_get(sp, fl, DBG_FATAL, &p, &len))
167 BINC_RET(sp, bp, blen, len);
169 if (db_append(sp, 1, tl++, bp, len))
172 for (lmp = sp->ep->marks.lh_first;
173 lmp != NULL; lmp = lmp->q.le_next)
174 if (lmp->name != ABSMARK1 &&
178 if (db_delete(sp, fl))
182 FREE_SPACE(sp, bp, blen);
184 sp->lno = tl; /* Last line moved. */
187 /* Log the new positions of the marks. */
189 for (lmp = sp->ep->marks.lh_first;
190 lmp != NULL; lmp = lmp->q.le_next)
191 if (lmp->name != ABSMARK1 &&
192 lmp->lno >= mfl && lmp->lno <= mtl)
193 (void)log_mark(sp, lmp);
196 sp->rptlines[L_MOVED] += diff;