blob: 75ed5e22ba6cda676b2e93cb008adb48cd110040 (
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
|
use std
pkg fileutil =
type walkiter = struct
dirstk : std.dir#[:]
curdir : byte[:][:]
iterdir : bool
;;
impl iterable walkiter -> byte[:]
const bywalk : (dir : std.dir# -> walkiter)
;;
const bywalk = {d
-> [.dirstk = std.sldup([d][:]), .curdir = std.sldup([""][:])]
}
impl iterable walkiter -> byte[:] =
__iternext__ = {itp, valp
var cur, p
:nextfile
cur = itp.dirstk[itp.dirstk.len - 1]
match std.dirread(cur)
| `std.Some ".": goto nextfile
| `std.Some "..": goto nextfile
| `std.Some ent:
p = std.pathcat(itp.curdir[itp.curdir.len - 1], ent)
if std.fisdir(p)
match std.diropen(p)
| `std.Ok d: std.slpush(&itp.dirstk, d)
| `std.Err e: /* ? */
;;
std.slpush(&itp.curdir, p)
goto nextfile
else
valp# = p
;;
-> true
| `std.None:
/* don't close the directory given to us by the user */
if itp.dirstk.len > 1
std.dirclose(itp.dirstk[itp.dirstk.len - 1])
std.slfree(itp.curdir[itp.curdir.len - 1])
std.slpop(&itp.curdir)
std.slpop(&itp.dirstk)
goto nextfile
else
-> false
;;
;;
}
__iterfin__ = {itp, valp
std.slfree(valp#)
}
;;
generic last = {sl : @a[:]
-> sl[sl.len - 1]
}
|
