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.
12 #include <sys/types.h>
13 #include <sys/queue.h>
16 #include <bitstring.h>
22 #include "../common/common.h"
25 * ex_copy -- :[line [,line]] co[py] line [flags]
26 * Copy selected lines.
28 * PUBLIC: int ex_copy(SCR *, EXCMD *);
31 ex_copy(SCR *sp, EXCMD *cmdp)
43 * It's possible to copy things into the area that's being
44 * copied, e.g. "2,5copy3" is legitimate. Save the text to
50 for (cnt = fm1.lno; cnt <= fm2.lno; ++cnt)
51 if (cut_line(sp, cnt, 0, ENTIRE_LINE, &cb)) {
57 /* Put the text into place. */
58 tm.lno = cmdp->lineno;
60 if (put(sp, &cb, NULL, &tm, &m, 1))
64 * Copy puts the cursor on the last line copied. The cursor
65 * returned by the put routine is the first line put, not the
66 * last, because that's the historic semantic of vi.
68 cnt = (fm2.lno - fm1.lno) + 1;
69 sp->lno = m.lno + (cnt - 1);
72 err: text_lfree(cb.textq);
77 * ex_move -- :[line [,line]] mo[ve] line
78 * Move selected lines.
80 * PUBLIC: int ex_move(SCR *, EXCMD *);
83 ex_move(SCR *sp, EXCMD *cmdp)
87 recno_t cnt, diff, fl, tl, mfl, mtl;
96 * It's not possible to move things into the area that's being
101 if (cmdp->lineno >= fm1.lno && cmdp->lineno <= fm2.lno) {
102 msgq(sp, M_ERR, "139|Destination line is inside move range");
107 * Log the positions of any marks in the to-be-deleted lines. This
108 * has to work with the logging code. What happens is that we log
109 * the old mark positions, make the changes, then log the new mark
110 * positions. Then the marks end up in the right positions no matter
111 * which way the log is traversed.
114 * Reset the MARK_USERSET flag so that the log can undo the mark.
115 * This isn't very clean, and should probably be fixed.
120 /* Log the old positions of the marks. */
122 SLIST_FOREACH(lmp, sp->ep->marks, q)
123 if (lmp->name != ABSMARK1 &&
124 lmp->lno >= fl && lmp->lno <= tl) {
126 F_CLR(lmp, MARK_USERSET);
127 (void)log_mark(sp, lmp);
130 /* Get memory for the copy. */
131 GET_SPACE_RETW(sp, bp, blen, 256);
133 /* Move the lines. */
134 diff = (fm2.lno - fm1.lno) + 1;
135 if (tl > fl) { /* Destination > source. */
138 for (cnt = diff; cnt--;) {
139 if (db_get(sp, fl, DBG_FATAL, &p, &len))
141 BINC_RETW(sp, bp, blen, len);
143 if (db_append(sp, 1, tl, bp, len))
146 SLIST_FOREACH(lmp, sp->ep->marks, q)
147 if (lmp->name != ABSMARK1 &&
150 if (db_delete(sp, fl))
153 } else { /* Destination < source. */
156 for (cnt = diff; cnt--;) {
157 if (db_get(sp, fl, DBG_FATAL, &p, &len))
159 BINC_RETW(sp, bp, blen, len);
161 if (db_append(sp, 1, tl++, bp, len))
164 SLIST_FOREACH(lmp, sp->ep->marks, q)
165 if (lmp->name != ABSMARK1 &&
169 if (db_delete(sp, fl))
173 FREE_SPACEW(sp, bp, blen);
175 sp->lno = tl; /* Last line moved. */
178 /* Log the new positions of the marks. */
180 SLIST_FOREACH(lmp, sp->ep->marks, q)
181 if (lmp->name != ABSMARK1 &&
182 lmp->lno >= mfl && lmp->lno <= mtl)
183 (void)log_mark(sp, lmp);
186 sp->rptlines[L_MOVED] += diff;