summaryrefslogtreecommitdiff
path: root/usr.bin/mg/dired.c
blob: 2371b3b55ec88c5672bceb75a9aef549fb5b7647 (plain)
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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
/*	$OpenBSD: dired.c,v 1.7 2001/05/24 03:05:21 mickey Exp $	*/

/* dired module for mg 2a	 */
/* by Robert A. Larson		 */

#include "def.h"

#ifndef NO_DIRED

/* ARGSUSED */
int
dired(f, n)
	int	f, n;
{
	char	dirname[NFILEN];
	BUFFER *bp;

	dirname[0] = '\0';
	if (eread("Dired: ", dirname, NFILEN, EFNEW | EFCR) == ABORT)
		return ABORT;
	if ((bp = dired_(dirname)) == NULL)
		return FALSE;
	curbp = bp;
	return showbuffer(bp, curwp, WFHARD | WFMODE);
}

/* ARGSUSED */
int
d_otherwindow(f, n)
	int	f, n;
{
	char	dirname[NFILEN];
	BUFFER	*bp;
	MGWIN	*wp;

	dirname[0] = '\0';
	if (eread("Dired other window: ", dirname, NFILEN, EFNEW | EFCR) == ABORT)
		return ABORT;
	if ((bp = dired_(dirname)) == NULL)
		return FALSE;
	if ((wp = popbuf(bp)) == NULL)
		return FALSE;
	curbp = bp;
	curwp = wp;
	return TRUE;
}

/* ARGSUSED */
int
d_del(f, n)
	int f, n;
{

	if (n < 0)
		return FALSE;
	while (n--) {
		if (llength(curwp->w_dotp) > 0)
			lputc(curwp->w_dotp, 0, 'D');
		if (lforw(curwp->w_dotp) != curbp->b_linep)
			curwp->w_dotp = lforw(curwp->w_dotp);
	}
	curwp->w_flag |= WFEDIT | WFMOVE;
	curwp->w_doto = 0;
	return TRUE;
}

/* ARGSUSED */
int
d_undel(f, n)
	int f, n;
{
	if (n < 0)
		return d_undelbak(f, -n);
	while (n--) {
		if (llength(curwp->w_dotp) > 0)
			lputc(curwp->w_dotp, 0, ' ');
		if (lforw(curwp->w_dotp) != curbp->b_linep)
			curwp->w_dotp = lforw(curwp->w_dotp);
	}
	curwp->w_flag |= WFEDIT | WFMOVE;
	curwp->w_doto = 0;
	return TRUE;
}

/* ARGSUSED */
int
d_undelbak(f, n)
	int f, n;
{

	if (n < 0)
		return d_undel(f, -n);
	while (n--) {
		if (llength(curwp->w_dotp) > 0)
			lputc(curwp->w_dotp, 0, ' ');
		if (lback(curwp->w_dotp) != curbp->b_linep)
			curwp->w_dotp = lback(curwp->w_dotp);
	}
	curwp->w_doto = 0;
	curwp->w_flag |= WFEDIT | WFMOVE;
	return TRUE;
}

/* ARGSUSED */
int
d_findfile(f, n)
	int f, n;
{
	BUFFER *bp;
	int	s;
	char	fname[NFILEN];

	if ((s = d_makename(curwp->w_dotp, fname)) == ABORT)
		return FALSE;
	if ((bp = (s ? dired_(fname) : findbuffer(fname))) == NULL)
		return FALSE;
	curbp = bp;
	if (showbuffer(bp, curwp, WFHARD) != TRUE)
		return FALSE;
	if (bp->b_fname[0] != 0)
		return TRUE;
	return readin(fname);
}

/* ARGSUSED */
int
d_ffotherwindow(f, n)
	int	f, n;
{
	char	fname[NFILEN];
	int	s;
	BUFFER *bp;
	MGWIN  *wp;

	if ((s = d_makename(curwp->w_dotp, fname)) == ABORT)
		return FALSE;
	if ((bp = (s ? dired_(fname) : findbuffer(fname))) == NULL)
		return FALSE;
	if ((wp = popbuf(bp)) == NULL)
		return FALSE;
	curbp = bp;
	curwp = wp;
	if (bp->b_fname[0] != 0)
		return TRUE;	/* never true for dired buffers */
	return readin(fname);
}

/* ARGSUSED */
int
d_expunge(f, n)
	int	f, n;
{
	LINE	*lp, *nlp;
	char	fname[NFILEN];

	for (lp = lforw(curbp->b_linep); lp != curbp->b_linep; lp = nlp) {
		nlp = lforw(lp);
		if (llength(lp) && lgetc(lp, 0) == 'D') {
			switch (d_makename(lp, fname)) {
			case ABORT:
				ewprintf("Bad line in dired buffer");
				return FALSE;
			case FALSE:
				if (unlink(fname) < 0) {
					ewprintf("Could not delete '%s'", fname);
					return FALSE;
				}
				break;
			case TRUE:
				if (rmdir(fname) < 0) {
					ewprintf("Could not delete directory '%s'",
					    fname);
					return FALSE;
				}
				break;
			}
			lfree(lp);
			curwp->w_flag |= WFHARD;
		}
	}
	return TRUE;
}

/* ARGSUSED */
int
d_copy(f, n)
	int	f, n;
{
	char	frname[NFILEN], toname[NFILEN];
	int	stat;

	if (d_makename(curwp->w_dotp, frname) != FALSE) {
		ewprintf("Not a file");
		return FALSE;
	}
	if ((stat = eread("Copy %s to: ", toname, NFILEN, EFNEW | EFCR, frname))
	    != TRUE)
		return stat;
	return copy(frname, toname) >= 0;
}

/* ARGSUSED */
int
d_rename(f, n)
	int	f, n;
{
	char	frname[NFILEN], toname[NFILEN];
	int	stat;

	if (d_makename(curwp->w_dotp, frname) != FALSE) {
		ewprintf("Not a file");
		return FALSE;
	}
	if ((stat = eread("Rename %s to: ", toname, NFILEN, EFNEW | EFCR,
	    frname)) != TRUE)
		return stat;
	return rename(frname, toname) >= 0;
}
#endif