--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/releasing/cbrtools/perl/Archive/Zip/MockFileHandle.pm	Wed Jun 30 11:35:58 2010 +0800
@@ -0,0 +1,87 @@
+# Copyright (c) 2000 Ned Konz. All rights reserved.  This program is free
+# software; you can redistribute it and/or modify it under the same terms
+# as Perl itself.
+
+# 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: 1.2 $
+
+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 write
+{
+	my $self = shift;
+	my $buf = \($_[0]); shift;
+	my $len = shift;
+	my $offset = shift || 0;
+
+	$$buf = '' if not defined($$buf);
+	my $bufLen = length($$buf);
+	my $bytesWritten = ($offset + $len > $bufLen)
+		? $bufLen - $offset
+		: $len;
+	$bytesWritten = $self->writeHook(substr($$buf, $offset, $bytesWritten));
+	if ($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'} }
+
+# vim: ts=4 sw=4
+1;
+__END__
+
+=head1 COPYRIGHT
+
+Copyright (c) 2000 Ned Konz. All rights reserved.  This program is free
+software; you can redistribute it and/or modify it under the same terms
+as Perl itself.
+
+=cut