html-webhacc/WebHACC/Output.pm

package WebHACC::Output;
use strict;

require IO::Handle;
use Scalar::Util qw/refaddr/;

my $htescape = sub ($) {
  my $s = $_[0];
  $s =~ s/&/&amp;/g;
  $s =~ s/</&lt;/g;
  $s =~ s/>/&gt;/g;
  $s =~ s/"/&quot;/g;
  $s =~ s{([\x00-\x09\x0B-\x1F\x7F-\xA0\x{FEFF}\x{FFFC}-\x{FFFF}])}{
    sprintf '<var>U+%04X</var>', ord $1;
  }ge;
  return $s;
};

my $htescape_value = sub ($) {
  my $s = $_[0];
  $s =~ s/&/&amp;/g;
  $s =~ s/</&lt;/g;
  $s =~ s/>/&gt;/g;
  $s =~ s/"/&quot;/g;
  return $s;
};

sub new ($) {
  require WebHACC::Input;
  return bless {nav => [], section_rank => 1,
                input => WebHACC::Input->new}, shift;
} # new

sub input ($;$) {
  if (@_ > 1) {
    if (defined $_[1]) {
      $_[0]->{input} = $_[1];
    } else {
      $_[0]->{input} = WebHACC::Input->new;
    }
  }
  
  return $_[0]->{input};
} # input

sub handle ($;$) {
  if (@_ > 1) {
    if (defined $_[1]) {
      $_[0]->{handle} = $_[1];
    } else {
      delete $_[0]->{handle};
    }
  }
  
  return $_[0]->{handle};
} # handle

sub set_utf8 ($) {
  binmode shift->{handle}, ':utf8';
} # set_utf8

sub set_flush ($) {
  shift->{handle}->autoflush (1);
} # set_flush

sub unset_flush ($) {
  shift->{handle}->autoflush (0);
} # unset_flush

sub html ($$) {
  shift->{handle}->print (shift);
} # html

sub text ($$) {
  shift->html ($htescape->(shift));
} # text

sub url ($$%) {
  my ($self, $url, %opt) = @_;
  $self->html (q[<code class=uri>&lt;]);
  $self->link ($url, %opt, url => $url);
  $self->html (q[></code>]);
} # url

sub start_tag ($$%) {
  my ($self, $tag_name, %opt) = @_;
  $self->html ('<' . $htescape_value->($tag_name)); # escape for safety
  if (exists $opt{id}) {
    my $id = $self->input->id_prefix . $opt{id};
    $self->html (' id="' . $htescape_value->($id) . '"');
    delete $opt{id};
  }
  for (keys %opt) {    # for safety
    $self->html (' ' . $htescape_value->($_) . '="' .
                 $htescape_value->($opt{$_}) . '"');
  }
  $self->html ('>');
} # start_tag

sub end_tag ($$) {
  shift->html ('</' . $htescape_value->(shift) . '>');
} # end_tag

sub start_section ($%) {
  my ($self, %opt) = @_;

  if (defined $opt{role}) {
    if ($opt{role} eq 'parse-errors') {
      $opt{id} ||= 'parse-errors';
      $opt{title} ||= 'Parse Errors Section';
      $opt{short_title} ||= 'Parse Errors';
      delete $opt{role};
    } elsif ($opt{role} eq 'structure-errors') {
      $opt{id} ||= 'document-errors';
      $opt{title} ||= 'Structural Errors';
      $opt{short_title} ||= 'Struct. Errors';
      delete $opt{role};
    } elsif ($opt{role} eq 'reformatted') {
      $opt{id} ||= 'document-tree';
      $opt{title} ||= 'Reformatted Document Source';
      $opt{short_title} ||= 'Reformatted';
      delete $opt{role}
    } elsif ($opt{role} eq 'tree') {
      $opt{id} ||= 'document-tree';
      $opt{title} ||= 'Document Tree';
      $opt{short_title} ||= 'Tree';
      delete $opt{role};
    } elsif ($opt{role} eq 'structure') {
      $opt{id} ||= 'document-structure';
      $opt{title} ||= 'Document Structure';
      $opt{short_title} ||= 'Structure';
      delete $opt{role};
    }
  }

  $self->{section_rank}++;
  $self->html ('<div class=section');
  if (defined $opt{id}) {
    my $id = $self->input->id_prefix . $opt{id};
    $self->html (' id="' . $htescape->($id) . '">');
    if ($self->{section_rank} == 2 or defined $opt{parent_id}) {
      my $st = $opt{short_title} || $opt{title};
      push @{$self->{nav}},
          [$id => $st => $opt{text}];
      
      $self->start_tag ('script');
      $self->html (qq[ addSectionLink ('] . $self->input->id_prefix .
                     qq[$id', ']);
      $self->nl_text ($st, text => $opt{text});
      if (defined $opt{parent_id}) {
        $self->html (q[', '] . $opt{parent_id});
      }
      $self->html (q[') ]);
      $self->end_tag ('script');
    }
  } else {
    $self->html ('>');
  }
  my $section_rank = $self->{section_rank};
  $section_rank = 6 if $section_rank > 6;
  $self->html ('<h' . $section_rank . '>');
  $self->nl_text ($opt{title}, text => $opt{text});
  $self->html ('</h' . $section_rank . '>');
} # start_section

sub end_section ($) {
  my $self = shift;
  $self->html ('</div>');
  $self->{handle}->flush;
  $self->{section_rank}--;
} # end_section

sub start_error_list ($%) {
  my ($self, %opt) = @_;

  if (defined $opt{role}) {
    if ($opt{role} eq 'parse-errors') {
      $opt{id} ||= 'parse-errors-list';
      delete $opt{role};
    } elsif ($opt{role} eq 'structure-errors') {
      $opt{id} ||= 'document-errors-list';
      delete $opt{role};
    }
  }

  $self->start_tag ('dl', %opt);
} # start_error_list

sub end_error_list ($%) {
  my ($self, %opt) = @_;

  if (defined $opt{role}) {
    if ($opt{role} eq 'parse-errors') {
      delete $opt{role};
      $self->end_tag ('dl');
      ## NOTE: For parse error list, the |add_source_to_parse_error_list|
      ## method is invoked at the end of |generate_source_string_section|,
      ## since that generation method is invoked after the error list
      ## is generated.
    } elsif ($opt{role} eq 'structure-errors') {
      delete $opt{role};
      $self->end_tag ('dl');
      $self->add_source_to_parse_error_list ('document-errors-list');
    } else {
      $self->end_tag ('dl');
    }
  } else {
    $self->end_tag ('dl');
  }
} # end_error_list

sub add_source_to_parse_error_list ($$) {
  my $self = shift;

  $self->script (q[addSourceToParseErrorList ('] . $self->input->id_prefix .
                 q[', '] . shift () . q[')]);
} # add_source_to_parse_error_list

sub start_code_block ($) {
  shift->html ('<pre><code>');
} # start_code_block

sub end_code_block ($) {
  shift->html ('</code></pre>');
} # end_code_block

sub code ($$;%) {
  my ($self, $content, %opt) = @_;
  $self->start_tag ('code', %opt);
  $self->text ($content);
  $self->html ('</code>');
} # code

sub script ($$;%) {
  my ($self, $content, %opt) = @_;
  $self->start_tag ('script', %opt);
  $self->html ($content);
  $self->html ('</script>');
} # script

sub dt ($$;%) {
  my ($self, $content, %opt) = @_;
  $self->start_tag ('dt', %opt);
  $self->nl_text ($content, text => $opt{text});
} # dt

sub select ($$%) {
  my ($self, $options, %opt) = @_;

  my $selected = $opt{selected};
  delete $opt{selected};

  $self->start_tag ('select', %opt);
  
  my @options = @$options;
  while (@options) {
    my $opt = shift @options;
    if ($opt->{options}) {
      $self->html ('<optgroup label="');
      $self->nl_text ($opt->{label});
      $self->html ('">');
      unshift @options, @{$opt->{options}}, {end_options => 1};
    } elsif ($opt->{end_options}) {
      $self->end_tag ('optgroup');
    } else {
      $self->start_tag ('option', value => $opt->{value},
                        ((defined $selected and $opt->{value} eq $selected)
                             ? (selected => '') : ()));
      $self->nl_text (defined $opt->{label} ? $opt->{label} : $opt->{value});
    }
  }

  $self->end_tag ('select');
} # select

sub link ($$%) {
  my ($self, $content, %opt) = @_;
  $self->start_tag ('a', %opt, href => $opt{url});
  $self->text ($content);
  $self->html ('</a>');
} # link

sub xref ($$%) {
  my ($self, $content, %opt) = @_;
  $self->html ('<a href="#' . $htescape->($self->input->id_prefix . $opt{target}) . '">');
  $self->nl_text ($content, text => $opt{text});
  $self->html ('</a>');
} # xref

sub link_to_webhacc ($$%) {
  my ($self, $content, %opt) = @_;
  $opt{url} = './?uri=' . $self->encode_url_component ($opt{url});
  $self->link ($content, %opt);
} # link_to_webhacc

my $get_node_path = sub ($) {
  my $node = shift;
  my @r;
  while (defined $node) {
    my $rs;
    if ($node->node_type == 1) {
      $rs = $node->node_name;
      $node = $node->parent_node;
    } elsif ($node->node_type == 2) {
      $rs = '@' . $node->node_name;
      $node = $node->owner_element;
    } elsif ($node->node_type == 3) {
      $rs = '"' . $node->data . '"';
      $node = $node->parent_node;
    } elsif ($node->node_type == 9) {
      @r = ('') unless @r;
      $rs = '';
      $node = $node->parent_node;
    } else {
      $rs = '#' . $node->node_type;
      $node = $node->parent_node;
    }
    unshift @r, $rs;
  }
  return join '/', @r;
}; # $get_node_path

my $get_object_path = sub ($) {
  my $node = shift;
  my @r;
  while (defined $node) {
    my $ref = ref $node;
    $ref =~ /([^:]+)$/;
    my $rs = $1;
    my $node_name = $node->node_name;
    if (defined $node_name) {
      $rs .= ' <code>' . $htescape->($node_name) . '</code>';
    }
    $node = undef;
    unshift @r, $rs;
  }
  return join '/', @r;
}; # $get_object_path

sub node_link ($$) {
  my ($self, $node) = @_;
  if ($node->isa ('Message::IF::Node')) {
    $self->xref ($get_node_path->($node), target => 'node-' . refaddr $node);
  } else {
    $self->html ($get_object_path->($node));
  }
} # node_link

{
  my $Msg = {};

sub load_text_catalog ($$) {
  my $self = shift;

  my $lang = shift; # MUST be a canonical lang name
  my $file_name = qq[cc-msg.$lang.txt];
  $lang = 'en' unless -f $file_name;
  $self->{primary_language} = $lang;
  
  open my $file, '<:utf8', $file_name or die "$0: $file_name: $!";
  while (<$file>) {
    if (s/^([^;]+);([^;]*);//) {
      my ($type, $cls, $msg) = ($1, $2, $_);
      $msg =~ tr/\x0D\x0A//d;
      $Msg->{$type} = [$cls, $msg];
    }
  }
} # load_text_catalog

sub nl_text ($$;%) {
  my ($self, $type, %opt) = @_;
  my $node = $opt{node};

  my @arg;
  {
    if (defined $Msg->{$type}) {
      my $msg = $Msg->{$type}->[1];
      if ($msg =~ /<var>/) {
        $msg =~ s{<var>\$([0-9]+)</var>}{
          defined $arg[$1] ? $htescape->($arg[$1]) : '(undef)';
        }ge;
        $msg =~ s{<var>{\@([A-Za-z0-9:_.-]+)}</var>}{
          UNIVERSAL::can ($node, 'get_attribute_ns')
              ? $htescape->($node->get_attribute_ns (undef, $1)) : ''
        }ge;
        $msg =~ s{<var>{\@}</var>}{
          UNIVERSAL::can ($node, 'value') ? $htescape->($node->value) : ''
        }ge;
        $msg =~ s{<var>{text}</var>}{
          defined $opt{text} ? $htescape->($opt{text}) : ''
        }ge;
        $msg =~ s{<var>{local-name}</var>}{
          UNIVERSAL::can ($node, 'manakai_local_name')
            ? $htescape->($node->manakai_local_name) : ''
        }ge;
        $msg =~ s{<var>{element-local-name}</var>}{
          (UNIVERSAL::can ($node, 'owner_element') and
           $node->owner_element)
            ? $htescape->($node->owner_element->manakai_local_name) : ''
        }ge;
      }
      $self->html ($msg);
      return;
    } elsif ($type =~ s/:([^:]*)$//) {
      unshift @arg, $1;
      redo;
    }
  }
  $self->text ($type);
} # nl_text

}

sub nav_list ($) {
  my $self = shift;
  $self->html (q[<ul class="navigation" id="nav-items">]);
  for (@{$self->{nav}}) {
    $self->html (qq[<li><a href="#@{[$htescape->($_->[0])]}">]);
    $self->nl_text ($_->[1], text => $_->[2]);
    $self->html ('</a>');
  }
  $self->html ('</ul>');
} # nav_list

sub http_header ($) {
  shift->html (qq[Content-Type: text/html; charset=utf-8\n\n]);
} # http_header

sub http_error ($$) {
  my $self = shift;
  my $code = 0+shift;
  my $text = {
    404 => 'Not Found',
  }->{$code};
  $self->html (qq[Status: $code $text\nContent-Type: text/html ; charset=us-ascii\n\n$code $text]);
} # http_error

sub html_header ($) {
  my $self = shift;
  $self->html (q[<!DOCTYPE html>]);
  $self->start_tag ('html', lang => $self->{primary_language});
  $self->html (q[<head><title>]);
  $self->nl_text (q[WebHACC:Title]);
  $self->html (q[</title>
<link rel="stylesheet" href="../cc-style.css" type="text/css">
<script src="../cc-script.js"></script>
</head>
<body onclick=" return onbodyclick (event) " onload=" onbodyload () ">
<h1>]);
  $self->nl_text (q[WebHACC:Heading]);
  $self->html (q[</h1><script> insertNavSections () </script>]);
} # html_header

sub generate_input_section ($$) {
  my ($out, $cgi) = @_;

  my $options = sub ($) {
    my $context = shift;

    $out->html (q[<div class="details default"><p class=legend onclick="nextSibling.style.display = nextSibling.style.display == 'block' ? 'none' : 'block'; parentNode.className = nextSibling.style.display == 'none' ? 'details' : 'details open'">]);
    $out->nl_text (q[Options]);
    $out->start_tag ('div');

    if ($context eq 'url') {
      $out->start_tag ('p');
      $out->start_tag ('label');
      $out->start_tag ('input', type => 'checkbox', name => 'error-page',
                       value => 1,
                       ($cgi->get_parameter ('error-page')
                            ? (checked => '') : ()));
      $out->nl_text ('Check error page');
      $out->end_tag ('label');
    }
 
    $out->start_tag ('p');
    $out->start_tag ('label');
    $out->nl_text (q[Content type]);
    $out->text (': ');
    $out->select ([
      {value => '', label => 'As specified'},
      {value => 'application/atom+xml'},
      {value => 'application/xhtml+xml'},
      {value => 'application/xml'},
      {value => 'text/html'},
      {value => 'text/xml'},
      {value => 'text/css'},
      {value => 'text/cache-manifest'},
      {value => 'text/x-webidl'},
    ], name => 'i', selected => scalar $cgi->get_parameter ('i'));
    $out->end_tag ('label');

    if ($context ne 'text') {
      $out->start_tag ('p');
      $out->start_tag ('label');
      $out->nl_text (q[Charset]);
      $out->text (q[: ]);
      $out->select ([
        {value => '', label => 'As specified'},
        {label => 'Japanese charsets', options => [
          {value => 'Windows-31J'},
          {value => 'Shift_JIS'},
          {value => 'EUC-JP'},
          {value => 'ISO-2022-JP'},
        ]},
        {label => 'European charsets', options => [
          {value => 'Windows-1252'},
          {value => 'ISO-8859-1'},
          {value => 'US-ASCII'},
        ]},
        {label => 'Asian charsets', options => [
          {value => 'Windows-874'},
          {value => 'ISO-8859-11'},
          {value => 'TIS-620'},
        ]},
        {label => 'Unicode charsets', options => [
          {value => 'UTF-8'},
          {value => 'UTF-8n'},
        ]},
      ], name => 'charset',
      selected => scalar $cgi->get_parameter ('charset'));
      $out->end_tag ('label');
    }

    if ($context eq 'text') {
      $out->start_tag ('p');
      $out->start_tag ('label');
      $out->nl_text ('Setting innerHTML');
      $out->text (': ');
      $out->start_tag ('input', name => 'e',
                       value => scalar $cgi->get_parameter ('e'));
      $out->end_tag ('label');
    }

    $out->html (q[</div></div>]);
  }; # $options

  $out->start_section (id => 'input', title => 'Input');
  $out->html (q[<script> insertNavSections ('input') </script>]);

  $out->start_section (id => 'input-url', title => 'By URL',
                       parent_id => 'input');
  $out->start_tag ('form', action => './#result-summary',
                   'accept-charset' => 'utf-8',
                   method => 'get');
  $out->start_tag ('input', type => 'hidden', name => '_charset_');

  $out->start_tag ('p');
  $out->start_tag ('label');
  $out->nl_text ('URL');
  $out->text (': ');
  $out->start_tag ('input',
                   name => 'uri',
                   type => 'url',
                   value => $cgi->get_parameter ('uri'));
  $out->end_tag ('label');

  $out->start_tag ('p');
  $out->start_tag ('button', type => 'submit');
  $out->nl_text ('Check');
  $out->end_tag ('button');

  $options->('url');

  $out->end_tag ('form');
  $out->end_section;

  $out->end_tag ('fieldset');

  ## TODO: File upload

  $out->start_section (id => 'input-text', title => 'By direct input',
                       parent_id => 'input');
  $out->start_tag ('form', action => './#result-summary',
                   'accept-charset' => 'utf-8',
                   method => 'post');
  $out->start_tag ('input', type => 'hidden', name => '_charset_');

  $out->start_tag ('p');
  $out->start_tag ('label');
  $out->nl_text ('Document source to check');
  $out->text (': ');
  $out->start_tag ('br');
  $out->start_tag ('textarea',
                   name => 's');
  my $s = $cgi->get_parameter ('s');
  $out->html ($htescape_value->($s)) if defined $s;
  $out->end_tag ('textarea');
  $out->end_tag ('label');

  $out->start_tag ('p');
  $out->start_tag ('button', type => 'submit', 
                   onclick => 'form.method = form.s.value.length > 512 ? "post" : "get"');
  $out->nl_text ('Check');
  $out->end_tag ('button');

  $options->('text');

  $out->end_tag ('form');
  $out->end_section;

  $out->script (q[
    if (!document.webhaccNavigated &&
        document.getElementsByTagName ('textarea')[0].value.length > 0) {
      showTab ('input-text');
      document.webhaccNavigated = false;
    }
  ]);

  $out->end_section;
} # generate_input_section

sub encode_url_component ($$) {
  shift;
  require Encode;
  my $s = Encode::encode ('utf8', shift);
  $s =~ s/([^0-9A-Za-z_.~-])/sprintf '%%%02X', ord $1/ge;
  return $s;
} # encode_url_component

1;
1	wakaba	1.1	package WebHACC::Output;
2			use strict;
3	wakaba	1.3
4	wakaba	1.1	require IO::Handle;
5	wakaba	1.3	use Scalar::Util qw/refaddr/;
6	wakaba	1.1
7			my $htescape = sub ($) {
8			my $s = $_[0];
9			$s =~ s/&/&/g;
10			$s =~ s/</</g;
11			$s =~ s/>/>/g;
12			$s =~ s/"/"/g;
13			$s =~ s{([\x00-\x09\x0B-\x1F\x7F-\xA0\x{FEFF}\x{FFFC}-\x{FFFF}])}{
14			sprintf '<var>U+%04X</var>', ord $1;
15			}ge;
16			return $s;
17			};
18
19	wakaba	1.10	my $htescape_value = sub ($) {
20			my $s = $_[0];
21			$s =~ s/&/&/g;
22			$s =~ s/</</g;
23			$s =~ s/>/>/g;
24			$s =~ s/"/"/g;
25			return $s;
26			};
27
28	wakaba	1.1	sub new ($) {
29	wakaba	1.9	require WebHACC::Input;
30			return bless {nav => [], section_rank => 1,
31			input => WebHACC::Input->new}, shift;
32	wakaba	1.1	} # new
33
34			sub input ($;$) {
35			if (@_ > 1) {
36			if (defined $_[1]) {
37			$_[0]->{input} = $_[1];
38			} else {
39	wakaba	1.9	$_[0]->{input} = WebHACC::Input->new;
40	wakaba	1.1	}
41			}
42
43			return $_[0]->{input};
44			} # input
45
46			sub handle ($;$) {
47			if (@_ > 1) {
48			if (defined $_[1]) {
49			$_[0]->{handle} = $_[1];
50			} else {
51			delete $_[0]->{handle};
52			}
53			}
54
55			return $_[0]->{handle};
56			} # handle
57
58			sub set_utf8 ($) {
59			binmode shift->{handle}, ':utf8';
60			} # set_utf8
61
62			sub set_flush ($) {
63			shift->{handle}->autoflush (1);
64			} # set_flush
65
66			sub unset_flush ($) {
67			shift->{handle}->autoflush (0);
68			} # unset_flush
69
70			sub html ($$) {
71			shift->{handle}->print (shift);
72			} # html
73
74			sub text ($$) {
75			shift->html ($htescape->(shift));
76			} # text
77
78			sub url ($$%) {
79			my ($self, $url, %opt) = @_;
80			$self->html (q[<code class=uri><]);
81			$self->link ($url, %opt, url => $url);
82			$self->html (q[></code>]);
83			} # url
84
85			sub start_tag ($$%) {
86			my ($self, $tag_name, %opt) = @_;
87	wakaba	1.10	$self->html ('<' . $htescape_value->($tag_name)); # escape for safety
88	wakaba	1.1	if (exists $opt{id}) {
89			my $id = $self->input->id_prefix . $opt{id};
90	wakaba	1.10	$self->html (' id="' . $htescape_value->($id) . '"');
91	wakaba	1.1	delete $opt{id};
92			}
93			for (keys %opt) { # for safety
94	wakaba	1.10	$self->html (' ' . $htescape_value->($_) . '="' .
95			$htescape_value->($opt{$_}) . '"');
96	wakaba	1.1	}
97			$self->html ('>');
98			} # start_tag
99
100			sub end_tag ($$) {
101	wakaba	1.10	shift->html ('</' . $htescape_value->(shift) . '>');
102	wakaba	1.1	} # end_tag
103
104			sub start_section ($%) {
105			my ($self, %opt) = @_;
106	wakaba	1.4
107			if (defined $opt{role}) {
108			if ($opt{role} eq 'parse-errors') {
109			$opt{id} \|\|= 'parse-errors';
110	wakaba	1.7	$opt{title} \|\|= 'Parse Errors Section';
111			$opt{short_title} \|\|= 'Parse Errors';
112	wakaba	1.4	delete $opt{role};
113			} elsif ($opt{role} eq 'structure-errors') {
114			$opt{id} \|\|= 'document-errors';
115			$opt{title} \|\|= 'Structural Errors';
116			$opt{short_title} \|\|= 'Struct. Errors';
117			delete $opt{role};
118			} elsif ($opt{role} eq 'reformatted') {
119			$opt{id} \|\|= 'document-tree';
120			$opt{title} \|\|= 'Reformatted Document Source';
121			$opt{short_title} \|\|= 'Reformatted';
122			delete $opt{role}
123			} elsif ($opt{role} eq 'tree') {
124			$opt{id} \|\|= 'document-tree';
125			$opt{title} \|\|= 'Document Tree';
126			$opt{short_title} \|\|= 'Tree';
127			delete $opt{role};
128			} elsif ($opt{role} eq 'structure') {
129			$opt{id} \|\|= 'document-structure';
130			$opt{title} \|\|= 'Document Structure';
131			$opt{short_title} \|\|= 'Structure';
132			delete $opt{role};
133			}
134			}
135
136			$self->{section_rank}++;
137	wakaba	1.1	$self->html ('<div class=section');
138			if (defined $opt{id}) {
139			my $id = $self->input->id_prefix . $opt{id};
140	wakaba	1.11	$self->html (' id="' . $htescape->($id) . '">');
141	wakaba	1.12	if ($self->{section_rank} == 2 or defined $opt{parent_id}) {
142	wakaba	1.11	my $st = $opt{short_title} \|\| $opt{title};
143			push @{$self->{nav}},
144			[$id => $st => $opt{text}];
145
146			$self->start_tag ('script');
147			$self->html (qq[ addSectionLink ('] . $self->input->id_prefix .
148			qq[$id', ']);
149			$self->nl_text ($st, text => $opt{text});
150	wakaba	1.12	if (defined $opt{parent_id}) {
151			$self->html (q[', '] . $opt{parent_id});
152			}
153	wakaba	1.11	$self->html (q[') ]);
154			$self->end_tag ('script');
155			}
156			} else {
157			$self->html ('>');
158	wakaba	1.1	}
159	wakaba	1.4	my $section_rank = $self->{section_rank};
160			$section_rank = 6 if $section_rank > 6;
161	wakaba	1.11	$self->html ('<h' . $section_rank . '>');
162	wakaba	1.7	$self->nl_text ($opt{title}, text => $opt{text});
163			$self->html ('</h' . $section_rank . '>');
164	wakaba	1.1	} # start_section
165
166			sub end_section ($) {
167			my $self = shift;
168			$self->html ('</div>');
169			$self->{handle}->flush;
170	wakaba	1.4	$self->{section_rank}--;
171	wakaba	1.1	} # end_section
172	wakaba	1.4
173			sub start_error_list ($%) {
174			my ($self, %opt) = @_;
175
176			if (defined $opt{role}) {
177			if ($opt{role} eq 'parse-errors') {
178			$opt{id} \|\|= 'parse-errors-list';
179			delete $opt{role};
180			} elsif ($opt{role} eq 'structure-errors') {
181			$opt{id} \|\|= 'document-errors-list';
182			delete $opt{role};
183			}
184			}
185
186			$self->start_tag ('dl', %opt);
187			} # start_error_list
188
189			sub end_error_list ($%) {
190			my ($self, %opt) = @_;
191
192			if (defined $opt{role}) {
193			if ($opt{role} eq 'parse-errors') {
194			delete $opt{role};
195			$self->end_tag ('dl');
196			## NOTE: For parse error list, the \|add_source_to_parse_error_list\|
197			## method is invoked at the end of \|generate_source_string_section\|,
198			## since that generation method is invoked after the error list
199			## is generated.
200			} elsif ($opt{role} eq 'structure-errors') {
201			delete $opt{role};
202			$self->end_tag ('dl');
203			$self->add_source_to_parse_error_list ('document-errors-list');
204			} else {
205			$self->end_tag ('dl');
206			}
207			} else {
208			$self->end_tag ('dl');
209			}
210			} # end_error_list
211
212			sub add_source_to_parse_error_list ($$) {
213			my $self = shift;
214
215			$self->script (q[addSourceToParseErrorList ('] . $self->input->id_prefix .
216	wakaba	1.9	q[', '] . shift () . q[')]);
217	wakaba	1.4	} # add_source_to_parse_error_list
218	wakaba	1.1
219			sub start_code_block ($) {
220			shift->html ('<pre><code>');
221			} # start_code_block
222
223			sub end_code_block ($) {
224			shift->html ('</code></pre>');
225			} # end_code_block
226
227	wakaba	1.3	sub code ($$;%) {
228			my ($self, $content, %opt) = @_;
229			$self->start_tag ('code', %opt);
230			$self->text ($content);
231			$self->html ('</code>');
232	wakaba	1.1	} # code
233
234	wakaba	1.3	sub script ($$;%) {
235			my ($self, $content, %opt) = @_;
236			$self->start_tag ('script', %opt);
237			$self->html ($content);
238			$self->html ('</script>');
239			} # script
240
241			sub dt ($$;%) {
242			my ($self, $content, %opt) = @_;
243			$self->start_tag ('dt', %opt);
244	wakaba	1.7	$self->nl_text ($content, text => $opt{text});
245	wakaba	1.3	} # dt
246
247	wakaba	1.9	sub select ($$%) {
248			my ($self, $options, %opt) = @_;
249
250			my $selected = $opt{selected};
251			delete $opt{selected};
252
253			$self->start_tag ('select', %opt);
254
255			my @options = @$options;
256			while (@options) {
257			my $opt = shift @options;
258			if ($opt->{options}) {
259			$self->html ('<optgroup label="');
260			$self->nl_text ($opt->{label});
261			$self->html ('">');
262			unshift @options, @{$opt->{options}}, {end_options => 1};
263			} elsif ($opt->{end_options}) {
264			$self->end_tag ('optgroup');
265			} else {
266			$self->start_tag ('option', value => $opt->{value},
267			((defined $selected and $opt->{value} eq $selected)
268			? (selected => '') : ()));
269			$self->nl_text (defined $opt->{label} ? $opt->{label} : $opt->{value});
270			}
271			}
272
273			$self->end_tag ('select');
274			} # select
275
276	wakaba	1.1	sub link ($$%) {
277			my ($self, $content, %opt) = @_;
278	wakaba	1.2	$self->start_tag ('a', %opt, href => $opt{url});
279	wakaba	1.1	$self->text ($content);
280			$self->html ('</a>');
281			} # link
282
283			sub xref ($$%) {
284			my ($self, $content, %opt) = @_;
285			$self->html ('<a href="#' . $htescape->($self->input->id_prefix . $opt{target}) . '">');
286	wakaba	1.7	$self->nl_text ($content, text => $opt{text});
287	wakaba	1.1	$self->html ('</a>');
288			} # xref
289
290	wakaba	1.2	sub link_to_webhacc ($$%) {
291			my ($self, $content, %opt) = @_;
292			$opt{url} = './?uri=' . $self->encode_url_component ($opt{url});
293			$self->link ($content, %opt);
294			} # link_to_webhacc
295
296	wakaba	1.3	my $get_node_path = sub ($) {
297			my $node = shift;
298			my @r;
299			while (defined $node) {
300			my $rs;
301			if ($node->node_type == 1) {
302			$rs = $node->node_name;
303			$node = $node->parent_node;
304			} elsif ($node->node_type == 2) {
305			$rs = '@' . $node->node_name;
306			$node = $node->owner_element;
307			} elsif ($node->node_type == 3) {
308			$rs = '"' . $node->data . '"';
309			$node = $node->parent_node;
310			} elsif ($node->node_type == 9) {
311			@r = ('') unless @r;
312			$rs = '';
313			$node = $node->parent_node;
314			} else {
315			$rs = '#' . $node->node_type;
316			$node = $node->parent_node;
317			}
318			unshift @r, $rs;
319			}
320			return join '/', @r;
321			}; # $get_node_path
322
323	wakaba	1.10	my $get_object_path = sub ($) {
324			my $node = shift;
325			my @r;
326			while (defined $node) {
327			my $ref = ref $node;
328			$ref =~ /([^:]+)$/;
329			my $rs = $1;
330			my $node_name = $node->node_name;
331			if (defined $node_name) {
332			$rs .= ' <code>' . $htescape->($node_name) . '</code>';
333			}
334			$node = undef;
335			unshift @r, $rs;
336			}
337			return join '/', @r;
338			}; # $get_object_path
339
340	wakaba	1.3	sub node_link ($$) {
341			my ($self, $node) = @_;
342	wakaba	1.10	if ($node->isa ('Message::IF::Node')) {
343			$self->xref ($get_node_path->($node), target => 'node-' . refaddr $node);
344			} else {
345			$self->html ($get_object_path->($node));
346			}
347	wakaba	1.3	} # node_link
348
349	wakaba	1.7	{
350			my $Msg = {};
351
352			sub load_text_catalog ($$) {
353			my $self = shift;
354
355			my $lang = shift; # MUST be a canonical lang name
356			my $file_name = qq[cc-msg.$lang.txt];
357			$lang = 'en' unless -f $file_name;
358			$self->{primary_language} = $lang;
359
360			open my $file, '<:utf8', $file_name or die "$0: $file_name: $!";
361			while (<$file>) {
362			if (s/^([^;]+);([^;]*);//) {
363			my ($type, $cls, $msg) = ($1, $2, $_);
364			$msg =~ tr/\x0D\x0A//d;
365			$Msg->{$type} = [$cls, $msg];
366			}
367			}
368			} # load_text_catalog
369
370			sub nl_text ($$;%) {
371			my ($self, $type, %opt) = @_;
372			my $node = $opt{node};
373
374			my @arg;
375			{
376			if (defined $Msg->{$type}) {
377			my $msg = $Msg->{$type}->[1];
378			if ($msg =~ /<var>/) {
379			$msg =~ s{<var>\$([0-9]+)</var>}{
380			defined $arg[$1] ? $htescape->($arg[$1]) : '(undef)';
381			}ge;
382			$msg =~ s{<var>{\@([A-Za-z0-9:_.-]+)}</var>}{
383			UNIVERSAL::can ($node, 'get_attribute_ns')
384			? $htescape->($node->get_attribute_ns (undef, $1)) : ''
385			}ge;
386			$msg =~ s{<var>{\@}</var>}{
387			UNIVERSAL::can ($node, 'value') ? $htescape->($node->value) : ''
388			}ge;
389			$msg =~ s{<var>{text}</var>}{
390			defined $opt{text} ? $htescape->($opt{text}) : ''
391			}ge;
392			$msg =~ s{<var>{local-name}</var>}{
393			UNIVERSAL::can ($node, 'manakai_local_name')
394			? $htescape->($node->manakai_local_name) : ''
395			}ge;
396			$msg =~ s{<var>{element-local-name}</var>}{
397			(UNIVERSAL::can ($node, 'owner_element') and
398			$node->owner_element)
399			? $htescape->($node->owner_element->manakai_local_name) : ''
400			}ge;
401			}
402			$self->html ($msg);
403			return;
404			} elsif ($type =~ s/:([^:]*)$//) {
405			unshift @arg, $1;
406			redo;
407			}
408			}
409			$self->text ($type);
410			} # nl_text
411
412			}
413
414	wakaba	1.1	sub nav_list ($) {
415			my $self = shift;
416			$self->html (q[<ul class="navigation" id="nav-items">]);
417			for (@{$self->{nav}}) {
418	wakaba	1.7	$self->html (qq[<li><a href="#@{[$htescape->($_->[0])]}">]);
419			$self->nl_text ($_->[1], text => $_->[2]);
420			$self->html ('</a>');
421	wakaba	1.1	}
422			$self->html ('</ul>');
423			} # nav_list
424	wakaba	1.2
425	wakaba	1.5	sub http_header ($) {
426			shift->html (qq[Content-Type: text/html; charset=utf-8\n\n]);
427			} # http_header
428
429			sub http_error ($$) {
430			my $self = shift;
431			my $code = 0+shift;
432			my $text = {
433			404 => 'Not Found',
434			}->{$code};
435			$self->html (qq[Status: $code $text\nContent-Type: text/html ; charset=us-ascii\n\n$code $text]);
436			} # http_error
437
438			sub html_header ($) {
439			my $self = shift;
440	wakaba	1.7	$self->html (q[<!DOCTYPE html>]);
441			$self->start_tag ('html', lang => $self->{primary_language});
442			$self->html (q[<head><title>]);
443			$self->nl_text (q[WebHACC:Title]);
444			$self->html (q[</title>
445	wakaba	1.5	<link rel="stylesheet" href="../cc-style.css" type="text/css">
446	wakaba	1.8	<script src="../cc-script.js"></script>
447	wakaba	1.5	</head>
448	wakaba	1.11	<body onclick=" return onbodyclick (event) " onload=" onbodyload () ">
449	wakaba	1.7	<h1>]);
450			$self->nl_text (q[WebHACC:Heading]);
451	wakaba	1.11	$self->html (q[</h1><script> insertNavSections () </script>]);
452	wakaba	1.5	} # html_header
453	wakaba	1.9
454			sub generate_input_section ($$) {
455			my ($out, $cgi) = @_;
456
457			my $options = sub ($) {
458			my $context = shift;
459
460	wakaba	1.12	$out->html (q[<div class="details default"><p class=legend onclick="nextSibling.style.display = nextSibling.style.display == 'block' ? 'none' : 'block'; parentNode.className = nextSibling.style.display == 'none' ? 'details' : 'details open'">]);
461	wakaba	1.9	$out->nl_text (q[Options]);
462			$out->start_tag ('div');
463
464			if ($context eq 'url') {
465			$out->start_tag ('p');
466			$out->start_tag ('label');
467			$out->start_tag ('input', type => 'checkbox', name => 'error-page',
468			value => 1,
469			($cgi->get_parameter ('error-page')
470			? (checked => '') : ()));
471			$out->nl_text ('Check error page');
472			$out->end_tag ('label');
473			}
474
475			$out->start_tag ('p');
476			$out->start_tag ('label');
477			$out->nl_text (q[Content type]);
478			$out->text (': ');
479			$out->select ([
480			{value => '', label => 'As specified'},
481			{value => 'application/atom+xml'},
482			{value => 'application/xhtml+xml'},
483			{value => 'application/xml'},
484			{value => 'text/html'},
485			{value => 'text/xml'},
486			{value => 'text/css'},
487			{value => 'text/cache-manifest'},
488			{value => 'text/x-webidl'},
489			], name => 'i', selected => scalar $cgi->get_parameter ('i'));
490			$out->end_tag ('label');
491
492			if ($context ne 'text') {
493			$out->start_tag ('p');
494			$out->start_tag ('label');
495			$out->nl_text (q[Charset]);
496			$out->text (q[: ]);
497			$out->select ([
498			{value => '', label => 'As specified'},
499			{label => 'Japanese charsets', options => [
500			{value => 'Windows-31J'},
501			{value => 'Shift_JIS'},
502			{value => 'EUC-JP'},
503			{value => 'ISO-2022-JP'},
504			]},
505			{label => 'European charsets', options => [
506			{value => 'Windows-1252'},
507			{value => 'ISO-8859-1'},
508			{value => 'US-ASCII'},
509			]},
510			{label => 'Asian charsets', options => [
511			{value => 'Windows-874'},
512			{value => 'ISO-8859-11'},
513			{value => 'TIS-620'},
514			]},
515			{label => 'Unicode charsets', options => [
516			{value => 'UTF-8'},
517			{value => 'UTF-8n'},
518			]},
519			], name => 'charset',
520			selected => scalar $cgi->get_parameter ('charset'));
521			$out->end_tag ('label');
522			}
523
524			if ($context eq 'text') {
525			$out->start_tag ('p');
526			$out->start_tag ('label');
527			$out->nl_text ('Setting innerHTML');
528			$out->text (': ');
529			$out->start_tag ('input', name => 'e',
530			value => scalar $cgi->get_parameter ('e'));
531			$out->end_tag ('label');
532			}
533
534			$out->html (q[</div></div>]);
535			}; # $options
536
537			$out->start_section (id => 'input', title => 'Input');
538	wakaba	1.12	$out->html (q[<script> insertNavSections ('input') </script>]);
539	wakaba	1.9
540	wakaba	1.12	$out->start_section (id => 'input-url', title => 'By URL',
541			parent_id => 'input');
542	wakaba	1.10	$out->start_tag ('form', action => './#result-summary',
543			'accept-charset' => 'utf-8',
544	wakaba	1.9	method => 'get');
545			$out->start_tag ('input', type => 'hidden', name => '_charset_');
546
547			$out->start_tag ('p');
548			$out->start_tag ('label');
549			$out->nl_text ('URL');
550			$out->text (': ');
551			$out->start_tag ('input',
552			name => 'uri',
553			type => 'url',
554			value => $cgi->get_parameter ('uri'));
555			$out->end_tag ('label');
556
557			$out->start_tag ('p');
558			$out->start_tag ('button', type => 'submit');
559			$out->nl_text ('Check');
560	wakaba	1.12	$out->end_tag ('button');
561
562			$options->('url');
563	wakaba	1.9
564			$out->end_tag ('form');
565			$out->end_section;
566
567			$out->end_tag ('fieldset');
568
569			## TODO: File upload
570
571	wakaba	1.12	$out->start_section (id => 'input-text', title => 'By direct input',
572			parent_id => 'input');
573	wakaba	1.10	$out->start_tag ('form', action => './#result-summary',
574			'accept-charset' => 'utf-8',
575	wakaba	1.9	method => 'post');
576			$out->start_tag ('input', type => 'hidden', name => '_charset_');
577
578			$out->start_tag ('p');
579			$out->start_tag ('label');
580			$out->nl_text ('Document source to check');
581			$out->text (': ');
582			$out->start_tag ('br');
583			$out->start_tag ('textarea',
584			name => 's');
585			my $s = $cgi->get_parameter ('s');
586	wakaba	1.10	$out->html ($htescape_value->($s)) if defined $s;
587	wakaba	1.9	$out->end_tag ('textarea');
588			$out->end_tag ('label');
589
590			$out->start_tag ('p');
591			$out->start_tag ('button', type => 'submit',
592			onclick => 'form.method = form.s.value.length > 512 ? "post" : "get"');
593			$out->nl_text ('Check');
594			$out->end_tag ('button');
595
596	wakaba	1.12	$options->('text');
597
598	wakaba	1.9	$out->end_tag ('form');
599			$out->end_section;
600	wakaba	1.12
601			$out->script (q[
602			if (!document.webhaccNavigated &&
603			document.getElementsByTagName ('textarea')[0].value.length > 0) {
604			showTab ('input-text');
605			document.webhaccNavigated = false;
606			}
607			]);
608	wakaba	1.9
609			$out->end_section;
610			} # generate_input_section
611	wakaba	1.2
612			sub encode_url_component ($$) {
613			shift;
614			require Encode;
615			my $s = Encode::encode ('utf8', shift);
616			$s =~ s/([^0-9A-Za-z_.~-])/sprintf '%%%02X', ord $1/ge;
617			return $s;
618			} # encode_url_component
619	wakaba	1.1
620			1;