--- /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;
+