1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/* $OpenBSD: ex_move.c,v 1.10 2014/11/12 04:28:41 bentley 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"
#include <sys/types.h>
#include <sys/queue.h>
#include <bitstring.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../common/common.h"
/*
* ex_copy -- :[line [,line]] co[py] line [flags]
* Copy selected lines.
*
* PUBLIC: int ex_copy(SCR *, EXCMD *);
*/
int
ex_copy(SCR *sp, EXCMD *cmdp)
{
CB cb;
MARK fm1, fm2, m, tm;
recno_t cnt;
int rval;
rval = 0;
NEEDFILE(sp, cmdp);
/*
* It's possible to copy things into the area that's being
* copied, e.g. "2,5copy3" is legitimate. Save the text to
* a cut buffer.
*/
fm1 = cmdp->addr1;
fm2 = cmdp->addr2;
memset(&cb, 0, sizeof(cb));
TAILQ_INIT(&cb.textq);
for (cnt = fm1.lno; cnt <= fm2.lno; ++cnt)
if (cut_line(sp, cnt, 0, CUT_LINE_TO_EOL, &cb)) {
rval = 1;
goto err;
}
cb.flags |= CB_LMODE;
/* Put the text into place. */
tm.lno = cmdp->lineno;
tm.cno = 0;
if (put(sp, &cb, NULL, &tm, &m, 1))
rval = 1;
else {
/*
* Copy puts the cursor on the last line copied. The cursor
* returned by the put routine is the first line put, not the
* last, because that's the historic semantic of vi.
*/
cnt = (fm2.lno - fm1.lno) + 1;
sp->lno = m.lno + (cnt - 1);
sp->cno = 0;
}
err: text_lfree(&cb.textq);
return (rval);
}
/*
* ex_move -- :[line [,line]] mo[ve] line
* Move selected lines.
*
* PUBLIC: int ex_move(SCR *, EXCMD *);
*/
int
ex_move(SCR *sp, EXCMD *cmdp)
{
LMARK *lmp;
MARK fm1, fm2;
recno_t cnt, diff, fl, tl, mfl, mtl;
size_t blen, len;
int mark_reset;
char *bp, *p;
NEEDFILE(sp, cmdp);
/*
* It's not possible to move things into the area that's being
* moved.
*/
fm1 = cmdp->addr1;
fm2 = cmdp->addr2;
if (cmdp->lineno >= fm1.lno && cmdp->lineno <= fm2.lno) {
msgq(sp, M_ERR, "139|Destination line is inside move range");
return (1);
}
/*
* Log the positions of any marks in the to-be-deleted lines. This
* has to work with the logging code. What happens is that we log
* the old mark positions, make the changes, then log the new mark
* positions. Then the marks end up in the right positions no matter
* which way the log is traversed.
*
* XXX
* Reset the MARK_USERSET flag so that the log can undo the mark.
* This isn't very clean, and should probably be fixed.
*/
fl = fm1.lno;
tl = cmdp->lineno;
/* Log the old positions of the marks. */
mark_reset = 0;
LIST_FOREACH(lmp, &sp->ep->marks, q)
if (lmp->name != ABSMARK1 &&
lmp->lno >= fl && lmp->lno <= tl) {
mark_reset = 1;
F_CLR(lmp, MARK_USERSET);
(void)log_mark(sp, lmp);
}
/* Get memory for the copy. */
GET_SPACE_RET(sp, bp, blen, 256);
/* Move the lines. */
diff = (fm2.lno - fm1.lno) + 1;
if (tl > fl) { /* Destination > source. */
mfl = tl - diff;
mtl = tl;
for (cnt = diff; cnt--;) {
if (db_get(sp, fl, DBG_FATAL, &p, &len))
return (1);
BINC_RET(sp, bp, blen, len);
memcpy(bp, p, len);
if (db_append(sp, 1, tl, bp, len))
return (1);
if (mark_reset)
LIST_FOREACH(lmp, &sp->ep->marks, q)
if (lmp->name != ABSMARK1 &&
lmp->lno == fl)
lmp->lno = tl + 1;
if (db_delete(sp, fl))
return (1);
}
} else { /* Destination < source. */
mfl = tl;
mtl = tl + diff;
for (cnt = diff; cnt--;) {
if (db_get(sp, fl, DBG_FATAL, &p, &len))
return (1);
BINC_RET(sp, bp, blen, len);
memcpy(bp, p, len);
if (db_append(sp, 1, tl++, bp, len))
return (1);
if (mark_reset)
LIST_FOREACH(lmp, &sp->ep->marks, q)
if (lmp->name != ABSMARK1 &&
lmp->lno == fl)
lmp->lno = tl;
++fl;
if (db_delete(sp, fl))
return (1);
}
}
FREE_SPACE(sp, bp, blen);
sp->lno = tl; /* Last line moved. */
sp->cno = 0;
/* Log the new positions of the marks. */
if (mark_reset)
LIST_FOREACH(lmp, &sp->ep->marks, q)
if (lmp->name != ABSMARK1 &&
lmp->lno >= mfl && lmp->lno <= mtl)
(void)log_mark(sp, lmp);
sp->rptlines[L_MOVED] += diff;
return (0);
}
|
