diff -r 266a7e9b9237 -r 6d3c3db11e72 uh_parser/XML/SAX/PurePerl/Reader/Stream.pm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uh_parser/XML/SAX/PurePerl/Reader/Stream.pm	Wed Mar 03 16:51:26 2010 +0000
@@ -0,0 +1,84 @@
+# $Id: Stream.pm,v 1.7 2005/10/14 20:31:20 matt Exp $
+
+package XML::SAX::PurePerl::Reader::Stream;
+
+use strict;
+use vars qw(@ISA);
+
+use XML::SAX::PurePerl::Reader qw(
+    EOF
+    BUFFER
+    LINE
+    COLUMN
+    ENCODING
+    XML_VERSION
+);
+use XML::SAX::Exception;
+
+@ISA = ('XML::SAX::PurePerl::Reader');
+
+# subclassed by adding 1 to last element
+use constant FH => 8;
+use constant BUFFER_SIZE => 4096;
+
+sub new {
+    my $class = shift;
+    my $ioref = shift;
+    XML::SAX::PurePerl::Reader::set_raw_stream($ioref);
+    my @parts;
+    @parts[FH, LINE, COLUMN, BUFFER, EOF, XML_VERSION] =
+        ($ioref, 1,   0,      '',     0,   '1.0');
+    return bless \@parts, $class;
+}
+
+sub read_more {
+    my $self = shift;
+    my $buf;
+    my $bytesread = read($self->[FH], $buf, BUFFER_SIZE);
+    if ($bytesread) {
+        $self->[BUFFER] .= $buf;
+        return 1;
+    }
+    elsif (defined($bytesread)) {
+        $self->[EOF]++;
+        return 0;
+    }
+    else {
+        throw XML::SAX::Exception::Parse(
+            Message => "Error reading from filehandle: $!",
+        );
+    }
+}
+
+sub move_along {
+    my $self = shift;
+    my $discarded = substr($self->[BUFFER], 0, $_[0], '');
+    
+    # Wish I could skip this lot - tells us where we are in the file
+    my $lines = $discarded =~ tr/\n//;
+    $self->[LINE] += $lines;
+    if ($lines) {
+        $discarded =~ /\n([^\n]*)$/;
+        $self->[COLUMN] = length($1);
+    }
+    else {
+        $self->[COLUMN] += $_[0];
+    }
+}
+
+sub set_encoding {
+    my $self = shift;
+    my ($encoding) = @_;
+    # warn("set encoding to: $encoding\n");
+    XML::SAX::PurePerl::Reader::switch_encoding_stream($self->[FH], $encoding);
+    XML::SAX::PurePerl::Reader::switch_encoding_string($self->[BUFFER], $encoding);
+    $self->[ENCODING] = $encoding;
+}
+
+sub bytepos {
+    my $self = shift;
+    tell($self->[FH]);
+}
+
+1;
+