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) . '"');
    push @{$self->{nav}},
        [$id => $opt{short_title} || $opt{title} => $opt{text}] 
        if $self->{section_rank} == 2;
  }
  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>
<h1>]);
  $self->nl_text (q[WebHACC:Heading]);
  $self->html ('</h1>');
} # html_header

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

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

    $out->html (q[<div class=details><p class=legend onclick="nextSibling.style.display = nextSibling.style.display == 'none' ? 'block' : 'none'">]);
    $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->start_section (id => 'input-url', title => 'By URL');
  $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');

  $options->('url');

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

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

  $out->end_tag ('fieldset');

  ## TODO: File upload

  $out->start_section (id => 'input-text', title => 'By direct 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');

  $options->('text');

  $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');

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

  $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			$self->html (' id="' . $htescape->($id) . '"');
141	wakaba	1.7	push @{$self->{nav}},
142			[$id => $opt{short_title} \|\| $opt{title} => $opt{text}]
143	wakaba	1.4	if $self->{section_rank} == 2;
144	wakaba	1.1	}
145	wakaba	1.4	my $section_rank = $self->{section_rank};
146			$section_rank = 6 if $section_rank > 6;
147	wakaba	1.7	$self->html ('><h' . $section_rank . '>');
148			$self->nl_text ($opt{title}, text => $opt{text});
149			$self->html ('</h' . $section_rank . '>');
150	wakaba	1.1	} # start_section
151
152			sub end_section ($) {
153			my $self = shift;
154			$self->html ('</div>');
155			$self->{handle}->flush;
156	wakaba	1.4	$self->{section_rank}--;
157	wakaba	1.1	} # end_section
158	wakaba	1.4
159			sub start_error_list ($%) {
160			my ($self, %opt) = @_;
161
162			if (defined $opt{role}) {
163			if ($opt{role} eq 'parse-errors') {
164			$opt{id} \|\|= 'parse-errors-list';
165			delete $opt{role};
166			} elsif ($opt{role} eq 'structure-errors') {
167			$opt{id} \|\|= 'document-errors-list';
168			delete $opt{role};
169			}
170			}
171
172			$self->start_tag ('dl', %opt);
173			} # start_error_list
174
175			sub end_error_list ($%) {
176			my ($self, %opt) = @_;
177
178			if (defined $opt{role}) {
179			if ($opt{role} eq 'parse-errors') {
180			delete $opt{role};
181			$self->end_tag ('dl');
182			## NOTE: For parse error list, the \|add_source_to_parse_error_list\|
183			## method is invoked at the end of \|generate_source_string_section\|,
184			## since that generation method is invoked after the error list
185			## is generated.
186			} elsif ($opt{role} eq 'structure-errors') {
187			delete $opt{role};
188			$self->end_tag ('dl');
189			$self->add_source_to_parse_error_list ('document-errors-list');
190			} else {
191			$self->end_tag ('dl');
192			}
193			} else {
194			$self->end_tag ('dl');
195			}
196			} # end_error_list
197
198			sub add_source_to_parse_error_list ($$) {
199			my $self = shift;
200
201			$self->script (q[addSourceToParseErrorList ('] . $self->input->id_prefix .
202	wakaba	1.9	q[', '] . shift () . q[')]);
203	wakaba	1.4	} # add_source_to_parse_error_list
204	wakaba	1.1
205			sub start_code_block ($) {
206			shift->html ('<pre><code>');
207			} # start_code_block
208
209			sub end_code_block ($) {
210			shift->html ('</code></pre>');
211			} # end_code_block
212
213	wakaba	1.3	sub code ($$;%) {
214			my ($self, $content, %opt) = @_;
215			$self->start_tag ('code', %opt);
216			$self->text ($content);
217			$self->html ('</code>');
218	wakaba	1.1	} # code
219
220	wakaba	1.3	sub script ($$;%) {
221			my ($self, $content, %opt) = @_;
222			$self->start_tag ('script', %opt);
223			$self->html ($content);
224			$self->html ('</script>');
225			} # script
226
227			sub dt ($$;%) {
228			my ($self, $content, %opt) = @_;
229			$self->start_tag ('dt', %opt);
230	wakaba	1.7	$self->nl_text ($content, text => $opt{text});
231	wakaba	1.3	} # dt
232
233	wakaba	1.9	sub select ($$%) {
234			my ($self, $options, %opt) = @_;
235
236			my $selected = $opt{selected};
237			delete $opt{selected};
238
239			$self->start_tag ('select', %opt);
240
241			my @options = @$options;
242			while (@options) {
243			my $opt = shift @options;
244			if ($opt->{options}) {
245			$self->html ('<optgroup label="');
246			$self->nl_text ($opt->{label});
247			$self->html ('">');
248			unshift @options, @{$opt->{options}}, {end_options => 1};
249			} elsif ($opt->{end_options}) {
250			$self->end_tag ('optgroup');
251			} else {
252			$self->start_tag ('option', value => $opt->{value},
253			((defined $selected and $opt->{value} eq $selected)
254			? (selected => '') : ()));
255			$self->nl_text (defined $opt->{label} ? $opt->{label} : $opt->{value});
256			}
257			}
258
259			$self->end_tag ('select');
260			} # select
261
262	wakaba	1.1	sub link ($$%) {
263			my ($self, $content, %opt) = @_;
264	wakaba	1.2	$self->start_tag ('a', %opt, href => $opt{url});
265	wakaba	1.1	$self->text ($content);
266			$self->html ('</a>');
267			} # link
268
269			sub xref ($$%) {
270			my ($self, $content, %opt) = @_;
271			$self->html ('<a href="#' . $htescape->($self->input->id_prefix . $opt{target}) . '">');
272	wakaba	1.7	$self->nl_text ($content, text => $opt{text});
273	wakaba	1.1	$self->html ('</a>');
274			} # xref
275
276	wakaba	1.2	sub link_to_webhacc ($$%) {
277			my ($self, $content, %opt) = @_;
278			$opt{url} = './?uri=' . $self->encode_url_component ($opt{url});
279			$self->link ($content, %opt);
280			} # link_to_webhacc
281
282	wakaba	1.3	my $get_node_path = sub ($) {
283			my $node = shift;
284			my @r;
285			while (defined $node) {
286			my $rs;
287			if ($node->node_type == 1) {
288			$rs = $node->node_name;
289			$node = $node->parent_node;
290			} elsif ($node->node_type == 2) {
291			$rs = '@' . $node->node_name;
292			$node = $node->owner_element;
293			} elsif ($node->node_type == 3) {
294			$rs = '"' . $node->data . '"';
295			$node = $node->parent_node;
296			} elsif ($node->node_type == 9) {
297			@r = ('') unless @r;
298			$rs = '';
299			$node = $node->parent_node;
300			} else {
301			$rs = '#' . $node->node_type;
302			$node = $node->parent_node;
303			}
304			unshift @r, $rs;
305			}
306			return join '/', @r;
307			}; # $get_node_path
308
309	wakaba	1.10	my $get_object_path = sub ($) {
310			my $node = shift;
311			my @r;
312			while (defined $node) {
313			my $ref = ref $node;
314			$ref =~ /([^:]+)$/;
315			my $rs = $1;
316			my $node_name = $node->node_name;
317			if (defined $node_name) {
318			$rs .= ' <code>' . $htescape->($node_name) . '</code>';
319			}
320			$node = undef;
321			unshift @r, $rs;
322			}
323			return join '/', @r;
324			}; # $get_object_path
325
326	wakaba	1.3	sub node_link ($$) {
327			my ($self, $node) = @_;
328	wakaba	1.10	if ($node->isa ('Message::IF::Node')) {
329			$self->xref ($get_node_path->($node), target => 'node-' . refaddr $node);
330			} else {
331			$self->html ($get_object_path->($node));
332			}
333	wakaba	1.3	} # node_link
334
335	wakaba	1.7	{
336			my $Msg = {};
337
338			sub load_text_catalog ($$) {
339			my $self = shift;
340
341			my $lang = shift; # MUST be a canonical lang name
342			my $file_name = qq[cc-msg.$lang.txt];
343			$lang = 'en' unless -f $file_name;
344			$self->{primary_language} = $lang;
345
346			open my $file, '<:utf8', $file_name or die "$0: $file_name: $!";
347			while (<$file>) {
348			if (s/^([^;]+);([^;]*);//) {
349			my ($type, $cls, $msg) = ($1, $2, $_);
350			$msg =~ tr/\x0D\x0A//d;
351			$Msg->{$type} = [$cls, $msg];
352			}
353			}
354			} # load_text_catalog
355
356			sub nl_text ($$;%) {
357			my ($self, $type, %opt) = @_;
358			my $node = $opt{node};
359
360			my @arg;
361			{
362			if (defined $Msg->{$type}) {
363			my $msg = $Msg->{$type}->[1];
364			if ($msg =~ /<var>/) {
365			$msg =~ s{<var>\$([0-9]+)</var>}{
366			defined $arg[$1] ? $htescape->($arg[$1]) : '(undef)';
367			}ge;
368			$msg =~ s{<var>{\@([A-Za-z0-9:_.-]+)}</var>}{
369			UNIVERSAL::can ($node, 'get_attribute_ns')
370			? $htescape->($node->get_attribute_ns (undef, $1)) : ''
371			}ge;
372			$msg =~ s{<var>{\@}</var>}{
373			UNIVERSAL::can ($node, 'value') ? $htescape->($node->value) : ''
374			}ge;
375			$msg =~ s{<var>{text}</var>}{
376			defined $opt{text} ? $htescape->($opt{text}) : ''
377			}ge;
378			$msg =~ s{<var>{local-name}</var>}{
379			UNIVERSAL::can ($node, 'manakai_local_name')
380			? $htescape->($node->manakai_local_name) : ''
381			}ge;
382			$msg =~ s{<var>{element-local-name}</var>}{
383			(UNIVERSAL::can ($node, 'owner_element') and
384			$node->owner_element)
385			? $htescape->($node->owner_element->manakai_local_name) : ''
386			}ge;
387			}
388			$self->html ($msg);
389			return;
390			} elsif ($type =~ s/:([^:]*)$//) {
391			unshift @arg, $1;
392			redo;
393			}
394			}
395			$self->text ($type);
396			} # nl_text
397
398			}
399
400	wakaba	1.1	sub nav_list ($) {
401			my $self = shift;
402			$self->html (q[<ul class="navigation" id="nav-items">]);
403			for (@{$self->{nav}}) {
404	wakaba	1.7	$self->html (qq[<li><a href="#@{[$htescape->($_->[0])]}">]);
405			$self->nl_text ($_->[1], text => $_->[2]);
406			$self->html ('</a>');
407	wakaba	1.1	}
408			$self->html ('</ul>');
409			} # nav_list
410	wakaba	1.2
411	wakaba	1.5	sub http_header ($) {
412			shift->html (qq[Content-Type: text/html; charset=utf-8\n\n]);
413			} # http_header
414
415			sub http_error ($$) {
416			my $self = shift;
417			my $code = 0+shift;
418			my $text = {
419			404 => 'Not Found',
420			}->{$code};
421			$self->html (qq[Status: $code $text\nContent-Type: text/html ; charset=us-ascii\n\n$code $text]);
422			} # http_error
423
424			sub html_header ($) {
425			my $self = shift;
426	wakaba	1.7	$self->html (q[<!DOCTYPE html>]);
427			$self->start_tag ('html', lang => $self->{primary_language});
428			$self->html (q[<head><title>]);
429			$self->nl_text (q[WebHACC:Title]);
430			$self->html (q[</title>
431	wakaba	1.5	<link rel="stylesheet" href="../cc-style.css" type="text/css">
432	wakaba	1.8	<script src="../cc-script.js"></script>
433	wakaba	1.5	</head>
434			<body>
435	wakaba	1.7	<h1>]);
436			$self->nl_text (q[WebHACC:Heading]);
437			$self->html ('</h1>');
438	wakaba	1.5	} # html_header
439	wakaba	1.9
440			sub generate_input_section ($$) {
441			my ($out, $cgi) = @_;
442
443			my $options = sub ($) {
444			my $context = shift;
445
446			$out->html (q[<div class=details><p class=legend onclick="nextSibling.style.display = nextSibling.style.display == 'none' ? 'block' : 'none'">]);
447			$out->nl_text (q[Options]);
448			$out->start_tag ('div');
449
450			if ($context eq 'url') {
451			$out->start_tag ('p');
452			$out->start_tag ('label');
453			$out->start_tag ('input', type => 'checkbox', name => 'error-page',
454			value => 1,
455			($cgi->get_parameter ('error-page')
456			? (checked => '') : ()));
457			$out->nl_text ('Check error page');
458			$out->end_tag ('label');
459			}
460
461			$out->start_tag ('p');
462			$out->start_tag ('label');
463			$out->nl_text (q[Content type]);
464			$out->text (': ');
465			$out->select ([
466			{value => '', label => 'As specified'},
467			{value => 'application/atom+xml'},
468			{value => 'application/xhtml+xml'},
469			{value => 'application/xml'},
470			{value => 'text/html'},
471			{value => 'text/xml'},
472			{value => 'text/css'},
473			{value => 'text/cache-manifest'},
474			{value => 'text/x-webidl'},
475			], name => 'i', selected => scalar $cgi->get_parameter ('i'));
476			$out->end_tag ('label');
477
478			if ($context ne 'text') {
479			$out->start_tag ('p');
480			$out->start_tag ('label');
481			$out->nl_text (q[Charset]);
482			$out->text (q[: ]);
483			$out->select ([
484			{value => '', label => 'As specified'},
485			{label => 'Japanese charsets', options => [
486			{value => 'Windows-31J'},
487			{value => 'Shift_JIS'},
488			{value => 'EUC-JP'},
489			{value => 'ISO-2022-JP'},
490			]},
491			{label => 'European charsets', options => [
492			{value => 'Windows-1252'},
493			{value => 'ISO-8859-1'},
494			{value => 'US-ASCII'},
495			]},
496			{label => 'Asian charsets', options => [
497			{value => 'Windows-874'},
498			{value => 'ISO-8859-11'},
499			{value => 'TIS-620'},
500			]},
501			{label => 'Unicode charsets', options => [
502			{value => 'UTF-8'},
503			{value => 'UTF-8n'},
504			]},
505			], name => 'charset',
506			selected => scalar $cgi->get_parameter ('charset'));
507			$out->end_tag ('label');
508			}
509
510			if ($context eq 'text') {
511			$out->start_tag ('p');
512			$out->start_tag ('label');
513			$out->nl_text ('Setting innerHTML');
514			$out->text (': ');
515			$out->start_tag ('input', name => 'e',
516			value => scalar $cgi->get_parameter ('e'));
517			$out->end_tag ('label');
518			}
519
520			$out->html (q[</div></div>]);
521			}; # $options
522
523			$out->start_section (id => 'input', title => 'Input');
524
525			$out->start_section (id => 'input-url', title => 'By URL');
526	wakaba	1.10	$out->start_tag ('form', action => './#result-summary',
527			'accept-charset' => 'utf-8',
528	wakaba	1.9	method => 'get');
529			$out->start_tag ('input', type => 'hidden', name => '_charset_');
530
531			$out->start_tag ('p');
532			$out->start_tag ('label');
533			$out->nl_text ('URL');
534			$out->text (': ');
535			$out->start_tag ('input',
536			name => 'uri',
537			type => 'url',
538			value => $cgi->get_parameter ('uri'));
539			$out->end_tag ('label');
540
541			$options->('url');
542
543			$out->start_tag ('p');
544			$out->start_tag ('button', type => 'submit');
545			$out->nl_text ('Check');
546
547			$out->end_tag ('form');
548			$out->end_section;
549
550			$out->end_tag ('fieldset');
551
552			## TODO: File upload
553
554			$out->start_section (id => 'input-text', title => 'By direct input');
555	wakaba	1.10	$out->start_tag ('form', action => './#result-summary',
556			'accept-charset' => 'utf-8',
557	wakaba	1.9	method => 'post');
558			$out->start_tag ('input', type => 'hidden', name => '_charset_');
559
560			$out->start_tag ('p');
561			$out->start_tag ('label');
562			$out->nl_text ('Document source to check');
563			$out->text (': ');
564			$out->start_tag ('br');
565			$out->start_tag ('textarea',
566			name => 's');
567			my $s = $cgi->get_parameter ('s');
568	wakaba	1.10	$out->html ($htescape_value->($s)) if defined $s;
569	wakaba	1.9	$out->end_tag ('textarea');
570			$out->end_tag ('label');
571
572			$options->('text');
573
574			$out->start_tag ('p');
575			$out->start_tag ('button', type => 'submit',
576			onclick => 'form.method = form.s.value.length > 512 ? "post" : "get"');
577			$out->nl_text ('Check');
578			$out->end_tag ('button');
579
580			$out->end_tag ('form');
581			$out->end_section;
582
583			$out->end_section;
584			} # generate_input_section
585	wakaba	1.2
586			sub encode_url_component ($$) {
587			shift;
588			require Encode;
589			my $s = Encode::encode ('utf8', shift);
590			$s =~ s/([^0-9A-Za-z_.~-])/sprintf '%%%02X', ord $1/ge;
591			return $s;
592			} # encode_url_component
593	wakaba	1.1
594			1;