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
|
# Output file handle that calls a custom write routine
# Ned Konz, March 2000
# This is provided to help with writing zip files
# when you have to process them a chunk at a time.
#
# See the examples.
#
# $Revision: 1.4 $
use strict;
package Archive::Zip::MockFileHandle;
sub new
{
my $class = shift || __PACKAGE__;
$class = ref($class) || $class;
my $self = bless( {
'position' => 0,
'size' => 0
}, $class );
return $self;
}
sub eof
{
my $self = shift;
return $self->{'position'} >= $self->{'size'};
}
# Copy given buffer to me
sub print
{
my $self = shift;
my $bytes = join('', @_);
my $bytesWritten = $self->writeHook($bytes);
if ($self->{'position'} + $bytesWritten > $self->{'size'})
{
$self->{'size'} = $self->{'position'} + $bytesWritten
}
$self->{'position'} += $bytesWritten;
return $bytesWritten;
}
# Called on each write.
# Override in subclasses.
# Return number of bytes written (0 on error).
sub writeHook
{
my $self = shift;
my $bytes = shift;
return length($bytes);
}
sub binmode { 1 }
sub close { 1 }
sub clearerr { 1 }
# I'm write-only!
sub read { 0 }
sub tell { return shift->{'position'} }
sub opened { 1 }
# vim: ts=4 sw=4
1;
|
