#!/usr/bin/perl -T

use strict;
use warnings;
use CGI qw(:standard);
use LWP::Simple qw(get);
use HTML::Entities;
use XML::LibXML;
use XML::LibXSLT;

print header, start_html,
   start_form,
   textfield('node_id'), submit('ID'), 
   end_form, end_html,
;

my $id = param('node_id');
print hr, node2html($id);

sub node2html {
   my $id = shift || 181206;
   return qq(bad id "$id"\n) unless $id =~ /^\d+$/;

   my $xml  = get "http://perlmonks.org/index.pl?node_id=$id&displayty
+pe=xml";
   my $xslt = do {local $/; <DATA>};

   my $xml_parser  = XML::LibXML->new();
   my $xslt_parser = XML::LibXSLT->new();

   my $doc   = $xml_parser->parse_string($xml);
   my $style = $xml_parser->parse_string($xslt); 

   my $stylesheet = $xslt_parser->parse_stylesheet($style);
   my $results    = $stylesheet->transform($doc);

   return decode_entities($stylesheet->output_string($results));
}

__DATA__
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="node">

<xsl:value-of select="./@title"/>
(<xsl:value-of select="./@id"/>)<br/>
by <xsl:value-of select="./author"/>
<hr/>
<blockquote>
<xsl:value-of select="./data/field"/>
</blockquote>

</xsl:template>
</xsl:stylesheet>
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