/[pub]/test/html-webhacc/cc.cgi

Diff of /test/html-webhacc/cc.cgi

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-revision 1.2 by wakaba,
Wed Jun 27 12:35:24 2007 UTC
+revision 1.53 by wakaba,
Sun Jul 20 14:58:24 2008 UTC
 Line 1
  #!/usr/bin/perl
  use strict;
+ use utf8;
  use lib qw[/home/httpd/html/www/markup/html/whatpm
-            /home/wakaba/work/manakai/lib
+            /home/wakaba/work/manakai2/lib];
-            /home/wakaba/public_html/-temp/wiki/lib];
  use CGI::Carp qw[fatalsToBrowser];
  use Scalar::Util qw[refaddr];
- use SuikaWiki::Input::HTTP; ## TODO: Use some better CGI module
+   require WebHACC::Input;
+   require WebHACC::Result;
+   require WebHACC::Output;
- sub htescape ($) {
+ my $out;
-   my $s = $_[0];
-   $s =~ s/&/&amp;/g;
+   require Message::DOM::DOMImplementation;
-   $s =~ s/</&lt;/g;
+   my $dom = Message::DOM::DOMImplementation->new;
-   $s =~ s/>/&gt;/g;
+ {
-   $s =~ s/"/&quot;/g;
+   use Message::CGI::HTTP;
-   $s =~ s!([\x00-\x09\x0B-\x1F\x7F-\x80])!sprintf '<var>U+%04X</var>', ord $1!ge;
+   my $http = Message::CGI::HTTP->new;
-   return $s;
- } # htescape
+   if ($http->get_meta_variable ('PATH_INFO') ne '/') {
+     print STDOUT "Status: 404 Not Found\nContent-Type: text/plain; charset=us-ascii\n\n400";
- my $http = SuikaWiki::Input::HTTP->new;
- ## TODO: _charset_
-   my $input_format = $http->parameter ('i') || 'text/html';
-   my $inner_html_element = $http->parameter ('e');
-   my $input_uri = 'thismessage:/';
-   my $s = $http->parameter ('s');
-   if (length $s > 1000_000) {
-     print STDOUT "Status: 400 Document Too Long\nContent-Type: text/plain; charset=us-ascii\n\nToo long";
      exit;
    }
+   load_text_catalog ('en'); ## TODO: conneg
-   print STDOUT qq[Content-Type: text/html; charset=utf-8
+   $out = WebHACC::Output->new;
+   $out->handle (*STDOUT);
+   $out->set_utf8;
+   $out->set_flush;
+   $out->html (qq[Content-Type: text/html; charset=utf-8
  <!DOCTYPE html>
  <html lang="en">
  <head>
  <title>Web Document Conformance Checker (BETA)</title>
- <link rel="stylesheet" href="/www/style/html/xhtml">
+ <link rel="stylesheet" href="../cc-style.css" type="text/css">
- <style>
-   q {
-     white-space: pre;
-     white-space: -moz-pre-wrap;
-     white-space: pre-wrap;
-   }
- </style>
  </head>
  <body>
- <h1>Web Document Conformance Checker (<em>beta</em>)</h1>
+ <h1><a href="../cc-interface">Web Document Conformance Checker</a>
+ (<em>beta</em>)</h1>
- <dl>
+ ]);
- <dt>Document URI</dt>
-     <dd><code class="URI" lang="">&lt;<a href="@{[htescape $input_uri]}">@{[htescape $input_uri]}</a>&gt;</code></dd>
+   my $input = get_input_document ($http, $dom);
- <dt>Internet Media Type</dt>
+   $out->input ($input);
-     <dd><code class="MIME" lang="en">@{[htescape $input_format]}</code></dd>
+   $out->unset_flush;
- ]; # no </dl> yet
+   my $char_length = 0;
-   require Message::DOM::DOMImplementation;
-   my $dom = Message::DOM::DOMImplementation->____new;
+   $out->start_section (id => 'document-info', title => 'Information');
-   my $doc;
+   $out->html (qq[<dl>
-   my $el;
+ <dt>Request URL</dt>
+     <dd>]);
-   if ($input_format eq 'text/html') {
+   $out->url ($input->{request_uri});
-     require Encode;
+   $out->html (q[<dt>Document URL<!-- HTML5 document's address? -->
-     require Whatpm::HTML;
+     <dd>]);
+   $out->url ($input->{uri}, id => 'anchor-document-url');
-     $s = Encode::decode ('utf-8', $s);
+   $out->html (q[
+     <script>
-     print STDOUT qq[
+       document.title = '<'
- <dt>Character Encoding</dt>
+           + document.getElementById ('anchor-document-url').href + '> \\u2014 '
-     <dd>(none)</dd>
+           + document.title;
+     </script>]);
+   ## NOTE: no </dl> yet
+   if (defined $input->{s}) {
+     $char_length = length $input->{s};
+     $out->html (qq[<dt>Base URI<dd>]);
+     $out->url ($input->{base_uri});
+     $out->html (qq[<dt>Internet Media Type</dt>
+     <dd><code class="MIME" lang="en">]);
+     $out->text ($input->{media_type});
+     $out->html (qq[</code> ]);
+     if ($input->{media_type_overridden}) {
+       $out->html ('<em>(overridden)</em>');
+     } elsif (defined $input->{official_type}) {
+       if ($input->{media_type} eq $input->{official_type}) {
+         #
+       } else {
+         $out->html ('<em>(sniffed; official type is: <code class=MIME lang=en>');
+         $out->text ($input->{official_type});
+         $out->html ('</code>)');
+       }
+     } else {
+       $out->html ('<em>(sniffed)</em>');
+     }
+     $out->html (q[<dt>Character Encoding<dd>]);
+     if (defined $input->{charset}) {
+       $out->html ('<code class="charset" lang="en">');
+       $out->text ($input->{charset});
+       $out->html ('</code>');
+     } else {
+       $out->text ('(none)');
+     }
+     $out->html (' <em>overridden</em>') if $input->{charset_overridden};
+     $out->html (qq[
+ <dt>Length</dt>
+     <dd>$char_length byte@{[$char_length == 1 ? '' : 's']}</dd>
  </dl>
- <div id="source-string" class="section">
+ <script src="../cc-script.js"></script>
- ];
+ ]);
-     print_source_string (\$s);
+     $out->end_section;
-     print STDOUT qq[
- </div>
+     my $result = WebHACC::Result->new;
+     $result->{conforming_min} = 1;
+     $result->{conforming_max} = 1;
+     check_and_print ($input => $result => $out);
+     print_result_section ($result);
+   } else {
+     $out->html ('</dl>');
+     $out->end_section;
+     print_result_input_error_section ($input);
+   }
- <div id="parse-errors" class="section">
+   $out->nav_list;
- <h2>Parse Errors</h2>
- <ul>
+   exit;
- ];
+ }
-   my $onerror = sub {
+ sub add_error ($$$) {
-     my (%opt) = @_;
+   my ($layer, $err, $result) = @_;
-     if ($opt{column} > 0) {
+   if (defined $err->{level}) {
-       print STDOUT qq[<li><a href="#line-$opt{line}">Line $opt{line}</a> column $opt{column}: ];
+     if ($err->{level} eq 's') {
+       $result->{$layer}->{should}++;
+       $result->{$layer}->{score_min} -= 2;
+       $result->{conforming_min} = 0;
+     } elsif ($err->{level} eq 'w' or $err->{level} eq 'g') {
+       $result->{$layer}->{warning}++;
+     } elsif ($err->{level} eq 'u' or $err->{level} eq 'unsupported') {
+       $result->{$layer}->{unsupported}++;
+       $result->{unsupported} = 1;
+     } elsif ($err->{level} eq 'i') {
+       #
      } else {
-       $opt{line}--;
+       $result->{$layer}->{must}++;
-       print STDOUT qq[<li><a href="#line-$opt{line}">Line $opt{line}</a>: ];
+       $result->{$layer}->{score_max} -= 2;
+       $result->{$layer}->{score_min} -= 2;
+       $result->{conforming_min} = 0;
+       $result->{conforming_max} = 0;
      }
-     print STDOUT qq[@{[htescape $opt{type}]}</li>\n];
-   };
-   $doc = $dom->create_document;
-   if (defined $inner_html_element and length $inner_html_element) {
-     $el = $doc->create_element_ns
-         ('http://www.w3.org/1999/xhtml', [undef, $inner_html_element]);
-     Whatpm::HTML->set_inner_html ($el, $s, $onerror);
    } else {
-     Whatpm::HTML->parse_string ($s => $doc, $onerror);
+     $result->{$layer}->{must}++;
+     $result->{$layer}->{score_max} -= 2;
+     $result->{$layer}->{score_min} -= 2;
+     $result->{conforming_min} = 0;
+     $result->{conforming_max} = 0;
    }
+ } # add_error
-   print STDOUT qq[
+ sub check_and_print ($$$) {
- </ul>
+   my ($input, $result, $out) = @_;
- </div>
+   my $original_input = $out->input;
- ];
+   $out->input ($input);
-   } elsif ($input_format eq 'application/xhtml+xml') {
-     require Message::DOM::XMLParserTemp;
+   print_http_header_section ($input, $result);
-     require Encode;
+   my @subdoc;
-     my $t = Encode::decode ('utf-8', $s);
+   my $checker_class = {
-     print STDOUT qq[
+     'text/cache-manifest' => 'WebHACC::Language::CacheManifest',
- <dt>Character Encoding</dt>
+     'text/css' => 'WebHACC::Language::CSS',
-     <dd>(none)</dd>
+     'text/html' => 'WebHACC::Language::HTML',
- </dl>
+     'text/x-webidl' => 'WebHACC::Language::WebIDL',
+     'text/xml' => 'WebHACC::Language::XML',
+     'application/atom+xml' => 'WebHACC::Language::XML',
+     'application/rss+xml' => 'WebHACC::Language::XML',
+     'image/svg+xml' => 'WebHACC::Language::XML',
+     'application/xhtml+xml' => 'WebHACC::Language::XML',
+     'application/xml' => 'WebHACC::Language::XML',
+     ## TODO: Should we make all XML MIME Types fall
+     ## into this category?
+     ## NOTE: This type has different model from normal XML types.
+     'application/rdf+xml' => 'WebHACC::Language::XML',
+   }->{$input->{media_type}} || 'WebHACC::Language::Default';
+   eval qq{ require $checker_class } or die "$0: Loading $checker_class: $@";
+   my $checker = $checker_class->new;
+   $checker->input ($input);
+   $checker->output ($out);
+   $checker->result ($result);
+   ## TODO: A cache manifest MUST be text/cache-manifest
+   ## TODO: WebIDL media type "text/x-webidl"
+   $checker->generate_syntax_error_section;
+   $checker->generate_source_string_section;
+   $checker->onsubdoc (sub {
+     push @subdoc, shift;
+   });
+   $checker->generate_structure_dump_section;
+   $checker->generate_structure_error_section;
+   $checker->generate_additional_sections;
- <div id="source-string" class="section">
+ =pod
- ];
-     print_source_string (\$t);
-     print STDOUT qq[
- </div>
- <div id="parse-errors" class="section">
+   if (defined $doc or defined $el) {
- <h2>Parse Errors</h2>
- <ul>
+     print_table_section ($input, $elements->{table}) if @{$elements->{table}};
- ];
+     print_listing_section ({
+       id => 'identifiers', label => 'IDs', heading => 'Identifiers',
+     }, $input, $elements->{id}) if keys %{$elements->{id}};
+     print_listing_section ({
+       id => 'terms', label => 'Terms', heading => 'Terms',
+     }, $input, $elements->{term}) if keys %{$elements->{term}};
+     print_listing_section ({
+       id => 'classes', label => 'Classes', heading => 'Classes',
+     }, $input, $elements->{class}) if keys %{$elements->{class}};
+     print_rdf_section ($input, $elements->{rdf}) if @{$elements->{rdf}};
+   }
-   my $onerror = sub {
+ =cut
-     my $err = shift;
-     my $line = $err->location->line_number;
-     print STDOUT qq[<li><a href="#line-$line">Line $line</a> column ];
-     print STDOUT $err->location->column_number, ": ";
-     print STDOUT htescape $err->text, "</li>\n";
-     return 1;
-   };
-   open my $fh, '<', \$s;
-   $doc = Message::DOM::XMLParserTemp->parse_byte_stream
-       ($fh => $dom, $onerror, charset => 'utf-8');
+   my $id_prefix = 0;
+   for my $_subinput (@subdoc) {
+     my $subinput = WebHACC::Input->new;
+     $subinput->{$_} = $_subinput->{$_} for keys %$_subinput;
+     $subinput->id_prefix ('subdoc-' . ++$id_prefix);
+     $subinput->nested (1);
+     $subinput->{base_uri} = $subinput->{container_node}->base_uri
+         unless defined $subinput->{base_uri};
+     my $ebaseuri = htescape ($subinput->{base_uri});
+     $out->start_section (id => $subinput->id_prefix,
+                          title => qq[Subdocument #$id_prefix]);
      print STDOUT qq[
- </ul>
+       <dl>
- </div>
+       <dt>Internet Media Type</dt>
- ];
+         <dd><code class="MIME" lang="en">@{[htescape $subinput->{media_type}]}</code>
-   } else {
+       <dt>Container Node</dt>
-     print STDOUT qq[
+         <dd>@{[get_node_link ($input, $subinput->{container_node})]}</dd>
- </dl>
+       <dt>Base <abbr title="Uniform Resource Identifiers">URI</abbr></dt>
+         <dd><code class=URI>&lt;<a href="$ebaseuri">$ebaseuri</a>></code></dd>
+       </dl>];
- <p><em>Media type <code class="MIME" lang="en">@{[htescape $input_format]}</code> is not supported!</em></p>
+     $subinput->{id_prefix} .= '-';
- ];
+     check_and_print ($subinput => $result => $out);
+     $out->end_section;
    }
+   $out->input ($original_input);
+ } # check_and_print
-   if (defined $doc or defined $el) {
+ sub print_http_header_section ($$) {
-     print STDOUT qq[
+   my ($input, $result) = @_;
- <div id="document-tree" class="section">
+   return unless defined $input->{header_status_code} or
- <h2>Document Tree</h2>
+       defined $input->{header_status_text} or
- ];
+       @{$input->{header_field} or []};
+   $out->start_section (id => 'source-header', title => 'HTTP Header');
+   print STDOUT qq[<p><strong>Note</strong>: Due to the limitation of the
+ network library in use, the content of this section might
+ not be the real header.</p>
+ <table><tbody>
+ ];
+   if (defined $input->{header_status_code}) {
+     print STDOUT qq[<tr><th scope="row">Status code</th>];
+     print STDOUT qq[<td>];
+     $out->code ($input->{header_status_code});
+   }
+   if (defined $input->{header_status_text}) {
+     print STDOUT qq[<tr><th scope="row">Status text</th>];
+     print STDOUT qq[<td>];
+     $out->code ($input->{header_status_text});
+   }
+   for (@{$input->{header_field}}) {
+     print STDOUT qq[<tr><th scope="row">];
+     $out->code ($_->[0]);
+     print STDOUT qq[<td>];
+     $out->code ($_->[1]);
+   }
-     print_document_tree ($el || $doc);
+   print STDOUT qq[</tbody></table>];
-     print STDOUT qq[
+   $out->end_section;
- </div>
+ } # print_http_header_section
- <div id="document-errors" class="section">
+ sub print_table_section ($$) {
- <h2>Document Errors</h2>
+   my ($input, $tables) = @_;
+ #  push @nav, [qq[#$input->{id_prefix}tables] => 'Tables']
+ #      unless $input->{nested};
+   print STDOUT qq[
+ <div id="$input->{id_prefix}tables" class="section">
+ <h2>Tables</h2>
- <ul>
+ <!--[if IE]><script type="text/javascript" src="../excanvas.js"></script><![endif]-->
- ];
+ <script src="../table-script.js" type="text/javascript"></script>
+ <noscript>
+ <p><em>Structure of tables are visualized here if scripting is enabled.</em></p>
+ </noscript>
+ ];
+   require JSON;
+   my $i = 0;
+   for my $table (@$tables) {
+     $i++;
+     print STDOUT qq[<div class="section" id="$input->{id_prefix}table-$i"><h3>] .
+         get_node_link ($input, $table->{element}) . q[</h3>];
-     require Whatpm::ContentChecker;
+     delete $table->{element};
-     my $onerror = sub {
-       my %opt = @_;
-       print STDOUT qq[<li><a href="#node-@{[refaddr $opt{node}]}">],
-           htescape get_node_path ($opt{node}),
-           "</a>: ", htescape $opt{type}, "</li>\n";
-     };
-     if ($el) {
+     for (@{$table->{column_group}}, @{$table->{column}}, $table->{caption},
-       Whatpm::ContentChecker->check_element ($el, $onerror);
+          @{$table->{row}}) {
-     } else {
+       next unless $_;
-       Whatpm::ContentChecker->check_document ($doc, $onerror);
+       delete $_->{element};
+     }
+     for (@{$table->{row_group}}) {
+       next unless $_;
+       next unless $_->{element};
+       $_->{type} = $_->{element}->manakai_local_name;
+       delete $_->{element};
+     }
+     for (@{$table->{cell}}) {
+       next unless $_;
+       for (@{$_}) {
+         next unless $_;
+         for (@$_) {
+           $_->{id} = refaddr $_->{element} if defined $_->{element};
+           delete $_->{element};
+           $_->{is_header} = $_->{is_header} ? 1 : 0;
+         }
+       }
      }
+     print STDOUT '</div><script type="text/javascript">tableToCanvas (';
+     print STDOUT JSON::objToJson ($table);
+     print STDOUT qq[, document.getElementById ('$input->{id_prefix}table-$i')];
+     print STDOUT qq[, '$input->{id_prefix}');</script>];
+   }
+   print STDOUT qq[</div>];
+ } # print_table_section
+ sub print_listing_section ($$$) {
+   my ($opt, $input, $ids) = @_;
+ #  push @nav, ['#' . $input->{id_prefix} . $opt->{id} => $opt->{label}]
+ #      unless $input->{nested};
+   print STDOUT qq[
+ <div id="$input->{id_prefix}$opt->{id}" class="section">
+ <h2>$opt->{heading}</h2>
-     print STDOUT qq[
+ <dl>
- </ul>
- </div>
  ];
+   for my $id (sort {$a cmp $b} keys %$ids) {
+     print STDOUT qq[<dt><code>@{[htescape $id]}</code></dt>];
+     for (@{$ids->{$id}}) {
+       print STDOUT qq[<dd>].get_node_link ($input, $_).qq[</dd>];
+     }
    }
+   print STDOUT qq[</dl></div>];
+ } # print_listing_section
-   ## TODO: Show result
+ sub print_rdf_section ($$$) {
+   my ($input, $rdfs) = @_;
+ #  push @nav, ['#' . $input->{id_prefix} . 'rdf' => 'RDF']
+ #      unless $input->{nested};
    print STDOUT qq[
- </body>
+ <div id="$input->{id_prefix}rdf" class="section">
- </html>
+ <h2>RDF Triples</h2>
- ];
- exit;
+ <dl>];
+   my $i = 0;
+   for my $rdf (@$rdfs) {
+     print STDOUT qq[<dt id="$input->{id_prefix}rdf-@{[$i++]}">];
+     print STDOUT get_node_link ($input, $rdf->[0]);
+     print STDOUT qq[<dd><dl>];
+     for my $triple (@{$rdf->[1]}) {
+       print STDOUT '<dt>' . get_node_link ($input, $triple->[0]) . '<dd>';
+       print STDOUT get_rdf_resource_html ($triple->[1]);
+       print STDOUT ' ';
+       print STDOUT get_rdf_resource_html ($triple->[2]);
+       print STDOUT ' ';
+       print STDOUT get_rdf_resource_html ($triple->[3]);
+     }
+     print STDOUT qq[</dl>];
+   }
+   print STDOUT qq[</dl></div>];
+ } # print_rdf_section
- sub print_source_string ($) {
+ sub get_rdf_resource_html ($) {
-   my $s = $_[0];
+   my $resource = shift;
-   my $i = 1;
+   if (defined $resource->{uri}) {
-   print STDOUT qq[<ol lang="">\n];
+     my $euri = htescape ($resource->{uri});
-   while ($$s =~ /\G([^\x0A]*?)\x0D?\x0A/gc) {
+     return '<code class=uri>&lt;<a href="' . $euri . '">' . $euri .
-     print STDOUT qq[<li id="line-$i">], htescape $1, "</li>\n";
+         '</a>></code>';
-     $i++;
+   } elsif (defined $resource->{bnodeid}) {
+     return htescape ('_:' . $resource->{bnodeid});
+   } elsif ($resource->{nodes}) {
+     return '(rdf:XMLLiteral)';
+   } elsif (defined $resource->{value}) {
+     my $elang = htescape (defined $resource->{language}
+                               ? $resource->{language} : '');
+     my $r = qq[<q lang="$elang">] . htescape ($resource->{value}) . '</q>';
+     if (defined $resource->{datatype}) {
+       my $euri = htescape ($resource->{datatype});
+       $r .= '^^<code class=uri>&lt;<a href="' . $euri . '">' . $euri .
+           '</a>></code>';
+     } elsif (length $resource->{language}) {
+       $r .= '@' . htescape ($resource->{language});
+     }
+     return $r;
+   } else {
+     return '??';
+   }
+ } # get_rdf_resource_html
+ sub print_result_section ($) {
+   my $result = shift;
+   $out->start_section (id => 'result-summary',
+                        title => 'Result');
+   if ($result->{unsupported} and $result->{conforming_max}) {
+     print STDOUT qq[<p class=uncertain id=result-para>The conformance
+         checker cannot decide whether the document is conforming or
+         not, since the document contains one or more unsupported
+         features.  The document might or might not be conforming.</p>];
+   } elsif ($result->{conforming_min}) {
+     print STDOUT qq[<p class=PASS id=result-para>No conformance-error is
+         found in this document.</p>];
+   } elsif ($result->{conforming_max}) {
+     print STDOUT qq[<p class=SEE-RESULT id=result-para>This document
+         is <strong>likely <em>non</em>-conforming</strong>, but in rare case
+         it might be conforming.</p>];
+   } else {
+     print STDOUT qq[<p class=FAIL id=result-para>This document is
+         <strong><em>non</em>-conforming</strong>.</p>];
    }
-   if ($$s =~ /\G([^\x0A]+)/gc) {
-     print STDOUT qq[<li id="line-$i">], htescape $1, "</li>\n";
+   print STDOUT qq[<table>
+ <colgroup><col><colgroup><col><col><col><colgroup><col>
+ <thead>
+ <tr><th scope=col></th>
+ <th scope=col><a href="../error-description#level-m"><em class=rfc2119>MUST</em>‐level
+ Errors</a></th>
+ <th scope=col><a href="../error-description#level-s"><em class=rfc2119>SHOULD</em>‐level
+ Errors</a></th>
+ <th scope=col><a href="../error-description#level-w">Warnings</a></th>
+ <th scope=col>Score</th></tr></thead><tbody>];
+   my $must_error = 0;
+   my $should_error = 0;
+   my $warning = 0;
+   my $score_min = 0;
+   my $score_max = 0;
+   my $score_base = 20;
+   my $score_unit = $score_base / 100;
+   for (
+     [Transfer => 'transfer', ''],
+     [Character => 'char', ''],
+     [Syntax => 'syntax', '#parse-errors'],
+     [Structure => 'structure', '#document-errors'],
+   ) {
+     $must_error += ($result->{$_->[1]}->{must} += 0);
+     $should_error += ($result->{$_->[1]}->{should} += 0);
+     $warning += ($result->{$_->[1]}->{warning} += 0);
+     $score_min += (($result->{$_->[1]}->{score_min} *= $score_unit) += $score_base);
+     $score_max += (($result->{$_->[1]}->{score_max} *= $score_unit) += $score_base);
+     my $uncertain = $result->{$_->[1]}->{unsupported} ? '?' : '';
+     my $label = $_->[0];
+     if ($result->{$_->[1]}->{must} or
+         $result->{$_->[1]}->{should} or
+         $result->{$_->[1]}->{warning} or
+         $result->{$_->[1]}->{unsupported}) {
+       $label = qq[<a href="$_->[2]">$label</a>];
+     }
+     print STDOUT qq[<tr class="@{[$uncertain ? 'uncertain' : '']}"><th scope=row>$label</th><td class="@{[$result->{$_->[1]}->{must} ? 'FAIL' : '']}">$result->{$_->[1]}->{must}$uncertain</td><td class="@{[$result->{$_->[1]}->{should} ? 'SEE-RESULT' : '']}">$result->{$_->[1]}->{should}$uncertain</td><td>$result->{$_->[1]}->{warning}$uncertain</td>];
+     if ($uncertain) {
+       print qq[<td class="@{[$result->{$_->[1]}->{must} ? 'FAIL' : $result->{$_->[1]}->{should} ? 'SEE-RESULT' : '']}">&#x2212;&#x221E;..$result->{$_->[1]}->{score_max}];
+     } elsif ($result->{$_->[1]}->{score_min} != $result->{$_->[1]}->{score_max}) {
+       print qq[<td class="@{[$result->{$_->[1]}->{must} ? 'FAIL' : 'SEE-RESULT']}">$result->{$_->[1]}->{score_min}..$result->{$_->[1]}->{score_max}];
+     } else {
+       print qq[<td class="@{[$result->{$_->[1]}->{must} ? 'FAIL' : '']}">$result->{$_->[1]}->{score_min}];
+     }
+     print qq[ / 20];
    }
-   print STDOUT "</ol>";
- } # print_input_string
- sub print_document_tree ($) {
+   $score_max += $score_base;
-   my $node = shift;
-   my $r = '<ol class="xoxo">';
-   my @node = ($node);
-   while (@node) {
-     my $child = shift @node;
-     unless (ref $child) {
-       $r .= $child;
-       next;
-     }
-     my $node_id = 'node-'.refaddr $child;
-     my $nt = $child->node_type;
-     if ($nt == $child->ELEMENT_NODE) {
-       $r .= qq'<li id="$node_id"><code>' . htescape ($child->tag_name) .
-           '</code>'; ## ISSUE: case
-       if ($child->has_attributes) {
-         $r .= '<ul class="attributes">';
-         for my $attr (sort {$a->[0] cmp $b->[0]} map { [$_->name, $_->value, 'node-'.refaddr $_] }
-                       @{$child->attributes}) {
-           $r .= qq'<li id="$attr->[2]"><code>' . htescape ($attr->[0]) . '</code> = '; ## ISSUE: case?
-           $r .= '<q>' . htescape ($attr->[1]) . '</q></li>'; ## TODO: children
-         }
-         $r .= '</ul>';
-       }
-       if ($node->has_child_nodes) {
+   print STDOUT qq[
-         $r .= '<ol class="children">';
+ <tr class=uncertain><th scope=row>Semantics</th><td>0?</td><td>0?</td><td>0?</td><td>&#x2212;&#x221E;..$score_base / 20
-         unshift @node, @{$child->child_nodes}, '</ol>';
+ </tbody>
+ <tfoot><tr class=uncertain><th scope=row>Total</th>
+ <td class="@{[$must_error ? 'FAIL' : '']}">$must_error?</td>
+ <td class="@{[$should_error ? 'SEE-RESULT' : '']}">$should_error?</td>
+ <td>$warning?</td>
+ <td class="@{[$must_error ? 'FAIL' : $should_error ? 'SEE-RESULT' : '']}"><strong>&#x2212;&#x221E;..$score_max</strong> / 100
+ </table>
+ <p><strong>Important</strong>: This conformance checking service
+ is <em>under development</em>.  The result above might be <em>wrong</em>.</p>];
+   $out->end_section;
+ } # print_result_section
+ sub print_result_input_error_section ($) {
+   my $input = shift;
+   $out->start_section (id => 'result-summary', title => 'Result');
+   print STDOUT qq[
+ <p><em><strong>Input Error</strong>: @{[htescape ($input->{error_status_text})]}</em></p>];
+   $out->end_section;
+ } # print_result_input_error_section
+ {
+   my $Msg = {};
+ sub load_text_catalog ($) {
+ #  my $self = shift;
+   my $lang = shift; # MUST be a canonical lang name
+   open my $file, '<:utf8', "cc-msg.$lang.txt"
+       or die "$0: cc-msg.$lang.txt: $!";
+   while (<$file>) {
+     if (s/^([^;]+);([^;]*);//) {
+       my ($type, $cls, $msg) = ($1, $2, $_);
+       $msg =~ tr/\x0D\x0A//d;
+       $Msg->{$type} = [$cls, $msg];
+     }
+   }
+ } # load_text_catalog
+ sub get_text ($;$$) {
+ #  my $self = shift;
+   my ($type, $level, $node) = @_;
+   $type = $level . ':' . $type if defined $level;
+   $level = 'm' unless defined $level;
+   my @arg;
+   {
+     if (defined $Msg->{$type}) {
+       my $msg = $Msg->{$type}->[1];
+       $msg =~ s{<var>\$([0-9]+)</var>}{
+         defined $arg[$1] ? ($arg[$1]) : '(undef)';
+       }ge;                 ##BUG: ^ must be escaped
+       $msg =~ s{<var>{\@([A-Za-z0-9:_.-]+)}</var>}{
+         UNIVERSAL::can ($node, 'get_attribute_ns')
+             ?  ($node->get_attribute_ns (undef, $1)) : ''
+       }ge; ## BUG: ^ must be escaped
+       $msg =~ s{<var>{\@}</var>}{        ## BUG: v must be escaped
+         UNIVERSAL::can ($node, 'value') ? ($node->value) : ''
+       }ge;
+       $msg =~ s{<var>{local-name}</var>}{
+         UNIVERSAL::can ($node, 'manakai_local_name')
+           ? ($node->manakai_local_name) : ''
+       }ge;  ## BUG: ^ must be escaped
+       $msg =~ s{<var>{element-local-name}</var>}{
+         (UNIVERSAL::can ($node, 'owner_element') and
+          $node->owner_element)
+           ?  ($node->owner_element->manakai_local_name)
+           : '' ## BUG: ^ must be escaped
+       }ge;
+       return ($type, 'level-' . $level . ' ' . $Msg->{$type}->[0], $msg);
+     } elsif ($type =~ s/:([^:]*)$//) {
+       unshift @arg, $1;
+       redo;
+     }
+   }
+   return ($type, 'level-'.$level, ($_[0]));
+                                  ## BUG: ^ must be escaped
+ } # get_text
+ }
+ sub get_input_document ($$) {
+   my ($http, $dom) = @_;
+   my $request_uri = $http->get_parameter ('uri');
+   my $r = WebHACC::Input->new;
+   if (defined $request_uri and length $request_uri) {
+     my $uri = $dom->create_uri_reference ($request_uri);
+     unless ({
+              http => 1,
+             }->{lc $uri->uri_scheme}) {
+       return {uri => $request_uri, request_uri => $request_uri,
+               error_status_text => 'URI scheme not allowed'};
+     }
+     require Message::Util::HostPermit;
+     my $host_permit = new Message::Util::HostPermit;
+     $host_permit->add_rule (<<EOH);
+ Allow host=suika port=80
+ Deny host=suika
+ Allow host=suika.fam.cx port=80
+ Deny host=suika.fam.cx
+ Deny host=localhost
+ Deny host=*.localdomain
+ Deny ipv4=0.0.0.0/8
+ Deny ipv4=10.0.0.0/8
+ Deny ipv4=127.0.0.0/8
+ Deny ipv4=169.254.0.0/16
+ Deny ipv4=172.0.0.0/11
+ Deny ipv4=192.0.2.0/24
+ Deny ipv4=192.88.99.0/24
+ Deny ipv4=192.168.0.0/16
+ Deny ipv4=198.18.0.0/15
+ Deny ipv4=224.0.0.0/4
+ Deny ipv4=255.255.255.255/32
+ Deny ipv6=0::0/0
+ Allow host=*
+ EOH
+     unless ($host_permit->check ($uri->uri_host, $uri->uri_port || 80)) {
+       return {uri => $request_uri, request_uri => $request_uri,
+               error_status_text => 'Connection to the host is forbidden'};
+     }
+     require LWP::UserAgent;
+     my $ua = WDCC::LWPUA->new;
+     $ua->{wdcc_dom} = $dom;
+     $ua->{wdcc_host_permit} = $host_permit;
+     $ua->agent ('Mozilla'); ## TODO: for now.
+     $ua->parse_head (0);
+     $ua->protocols_allowed ([qw/http/]);
+     $ua->max_size (1000_000);
+     my $req = HTTP::Request->new (GET => $request_uri);
+     $req->header ('Accept-Encoding' => 'identity, *; q=0');
+     my $res = $ua->request ($req);
+     ## TODO: 401 sets |is_success| true.
+     if ($res->is_success or $http->get_parameter ('error-page')) {
+       $r->{base_uri} = $res->base; ## NOTE: It does check |Content-Base|, |Content-Location|, and <base>. ## TODO: Use our own code!
+       $r->{uri} = $res->request->uri;
+       $r->{request_uri} = $request_uri;
+       ## TODO: More strict parsing...
+       my $ct = $res->header ('Content-Type');
+       if (defined $ct and $ct =~ /;\s*charset\s*=\s*"?([^\s;"]+)"?/i) {
+         $r->{charset} = lc $1;
+         $r->{charset} =~ tr/\\//d;
+         $r->{official_charset} = $r->{charset};
        }
-     } elsif ($nt == $child->TEXT_NODE) {
-       $r .= qq'<li id="$node_id"><q>' . htescape ($child->data) . '</q></li>';
+       my $input_charset = $http->get_parameter ('charset');
-     } elsif ($nt == $child->CDATA_SECTION_NODE) {
+       if (defined $input_charset and length $input_charset) {
-       $r .= qq'<li id="$node_id"><code>&lt;[CDATA[</code><q>' . htescape ($child->data) . '</q><code>]]&gt;</code></li>';
+         $r->{charset_overridden}
-     } elsif ($nt == $child->COMMENT_NODE) {
+             = (not defined $r->{charset} or $r->{charset} ne $input_charset);
-       $r .= qq'<li id="$node_id"><code>&lt;!--</code><q>' . htescape ($child->data) . '</q><code>--&gt;</code></li>';
+         $r->{charset} = $input_charset;
-     } elsif ($nt == $child->DOCUMENT_NODE) {
-       $r .= qq'<li id="$node_id">Document</li>';
-       if ($child->has_child_nodes) {
-         $r .= '<ol>';
-         unshift @node, @{$child->child_nodes}, '</ol>';
        }
-     } elsif ($nt == $child->DOCUMENT_TYPE_NODE) {
-       $r .= qq'<li id="$node_id"><code>&lt;!DOCTYPE&gt;</code><ul>';
+       ## TODO: Support for HTTP Content-Encoding
-       $r .= '<li>Name = <q>@{[htescape ($child->name)]}</q></li>';
-       $r .= '<li>Public identifier = <q>@{[htescape ($child->public_id)]}</q></li>';
+       $r->{s} = ''.$res->content;
-       $r .= '<li>System identifier = <q>@{[htescape ($child->system_id)]}</q></li>';
-       $r .= '</ul></li>';
+       require Whatpm::ContentType;
-     } elsif ($nt == $child->PROCESSING_INSTRUCTION_NODE) {
+       ($r->{official_type}, $r->{media_type})
-       $r .= qq'<li id="$node_id"><code>&lt;?@{[htescape ($child->target)]}?&gt;</code>';
+           = Whatpm::ContentType->get_sniffed_type
-       $r .= '<ul><li>@{[htescape ($child->data)]}</li></ul></li>';
+               (get_file_head => sub {
+                  return substr $r->{s}, 0, shift;
+                },
+                http_content_type_byte => $ct,
+                has_http_content_encoding =>
+                    defined $res->header ('Content-Encoding'),
+                supported_image_types => {});
      } else {
-       $r .= qq'<li id="$node_id">@{[$child->node_type]} @{[htescape ($child->node_name)]}</li>'; # error
+       $r->{uri} = $res->request->uri;
+       $r->{request_uri} = $request_uri;
+       $r->{error_status_text} = $res->status_line;
      }
+     $r->{header_field} = [];
+     $res->scan (sub {
+       push @{$r->{header_field}}, [$_[0], $_[1]];
+     });
+     $r->{header_status_code} = $res->code;
+     $r->{header_status_text} = $res->message;
+   } else {
+     $r->{s} = ''.$http->get_parameter ('s');
+     $r->{uri} = q<thismessage:/>;
+     $r->{request_uri} = q<thismessage:/>;
+     $r->{base_uri} = q<thismessage:/>;
+     $r->{charset} = ''.$http->get_parameter ('_charset_');
+     $r->{charset} =~ s/\s+//g;
+     $r->{charset} = 'utf-8' if $r->{charset} eq '';
+     $r->{official_charset} = $r->{charset};
+     $r->{header_field} = [];
+     require Whatpm::ContentType;
+     ($r->{official_type}, $r->{media_type})
+         = Whatpm::ContentType->get_sniffed_type
+             (get_file_head => sub {
+                return substr $r->{s}, 0, shift;
+              },
+              http_content_type_byte => undef,
+              has_http_content_encoding => 0,
+              supported_image_types => {});
    }
-   $r .= '</ol>';
+   my $input_format = $http->get_parameter ('i');
-   print STDOUT $r;
+   if (defined $input_format and length $input_format) {
- } # print_document_tree
+     $r->{media_type_overridden}
+         = (not defined $r->{media_type} or $input_format ne $r->{media_type});
- sub get_node_path ($) {
+     $r->{media_type} = $input_format;
-   my $node = shift;
+   }
-   my @r;
+   if (defined $r->{s} and not defined $r->{media_type}) {
-   while (defined $node) {
+     $r->{media_type} = 'text/html';
-     my $rs;
+     $r->{media_type_overridden} = 1;
-     if ($node->node_type == 1) {
+   }
-       $rs = $node->manakai_local_name;
-       $node = $node->parent_node;
+   if ($r->{media_type} eq 'text/xml') {
-     } elsif ($node->node_type == 2) {
+     unless (defined $r->{charset}) {
-       $rs = '@' . $node->manakai_local_name;
+       $r->{charset} = 'us-ascii';
-       $node = $node->owner_element;
+       $r->{official_charset} = $r->{charset};
-     } elsif ($node->node_type == 3) {
+     } elsif ($r->{charset_overridden} and $r->{charset} eq 'us-ascii') {
-       $rs = '"' . $node->data . '"';
+       $r->{charset_overridden} = 0;
-       $node = $node->parent_node;
-     } elsif ($node->node_type == 9) {
-       $rs = '';
-       $node = $node->parent_node;
-     } else {
-       $rs = '#' . $node->node_type;
-       $node = $node->parent_node;
      }
-     unshift @r, $rs;
    }
-   return join '/', @r;
- } # get_node_path
+   if (length $r->{s} > 1000_000) {
+     $r->{error_status_text} = 'Entity-body too large';
+     delete $r->{s};
+     return $r;
+   }
+   $r->{inner_html_element} = $http->get_parameter ('e');
+   return $r;
+ } # get_input_document
+ package WDCC::LWPUA;
+ BEGIN { push our @ISA, 'LWP::UserAgent'; }
+ sub redirect_ok {
+   my $ua = shift;
+   unless ($ua->SUPER::redirect_ok (@_)) {
+     return 0;
+   }
+   my $uris = $_[1]->header ('Location');
+   return 0 unless $uris;
+   my $uri = $ua->{wdcc_dom}->create_uri_reference ($uris);
+   unless ({
+            http => 1,
+           }->{lc $uri->uri_scheme}) {
+     return 0;
+   }
+   unless ($ua->{wdcc_host_permit}->check ($uri->uri_host, $uri->uri_port || 80)) {
+     return 0;
+   }
+   return 1;
+ } # redirect_ok
  =head1 AUTHOR
-Line 312 
 Wakaba <w@suika.fam.cx>.
+Line 760 
 Wakaba <w@suika.fam.cx>.
  =head1 LICENSE
- Copyright 2007 Wakaba <w@suika.fam.cx>
+ Copyright 2007-2008 Wakaba <w@suika.fam.cx>
  This library is free software; you can redistribute it
  and/or modify it under the same terms as Perl itself.

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