70 lines
1.3 KiB
Perl
70 lines
1.3 KiB
Perl
package Archive::Zip::MockFileHandle;
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# Output file handle that calls a custom write routine
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# Ned Konz, March 2000
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# This is provided to help with writing zip files
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# when you have to process them a chunk at a time.
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use strict;
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use vars qw{$VERSION};
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BEGIN {
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$VERSION = '1.68';
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$VERSION = eval $VERSION;
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}
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sub new {
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my $class = shift || __PACKAGE__;
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$class = ref($class) || $class;
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my $self = bless(
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{
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'position' => 0,
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'size' => 0
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},
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$class
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);
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return $self;
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}
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sub eof {
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my $self = shift;
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return $self->{'position'} >= $self->{'size'};
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}
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# Copy given buffer to me
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sub print {
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my $self = shift;
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my $bytes = join('', @_);
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my $bytesWritten = $self->writeHook($bytes);
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if ($self->{'position'} + $bytesWritten > $self->{'size'}) {
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$self->{'size'} = $self->{'position'} + $bytesWritten;
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}
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$self->{'position'} += $bytesWritten;
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return $bytesWritten;
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}
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# Called on each write.
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# Override in subclasses.
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# Return number of bytes written (0 on error).
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sub writeHook {
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my $self = shift;
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my $bytes = shift;
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return length($bytes);
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}
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sub binmode { 1 }
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sub close { 1 }
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sub clearerr { 1 }
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# I'm write-only!
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sub read { 0 }
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sub tell { return shift->{'position'} }
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sub opened { 1 }
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1;
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