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) {
      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});
      $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><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	wakaba	1.11	$self->html (' id="' . $htescape->($id) . '">');
141			if ($self->{section_rank} == 2) {
142			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			$self->html (q[') ]);
151			$self->end_tag ('script');
152			}
153			} else {
154			$self->html ('>');
155	wakaba	1.1	}
156	wakaba	1.4	my $section_rank = $self->{section_rank};
157			$section_rank = 6 if $section_rank > 6;
158	wakaba	1.11	$self->html ('<h' . $section_rank . '>');
159	wakaba	1.7	$self->nl_text ($opt{title}, text => $opt{text});
160			$self->html ('</h' . $section_rank . '>');
161	wakaba	1.1	} # start_section
162
163			sub end_section ($) {
164			my $self = shift;
165			$self->html ('</div>');
166			$self->{handle}->flush;
167	wakaba	1.4	$self->{section_rank}--;
168	wakaba	1.1	} # end_section
169	wakaba	1.4
170			sub start_error_list ($%) {
171			my ($self, %opt) = @_;
172
173			if (defined $opt{role}) {
174			if ($opt{role} eq 'parse-errors') {
175			$opt{id} \|\|= 'parse-errors-list';
176			delete $opt{role};
177			} elsif ($opt{role} eq 'structure-errors') {
178			$opt{id} \|\|= 'document-errors-list';
179			delete $opt{role};
180			}
181			}
182
183			$self->start_tag ('dl', %opt);
184			} # start_error_list
185
186			sub end_error_list ($%) {
187			my ($self, %opt) = @_;
188
189			if (defined $opt{role}) {
190			if ($opt{role} eq 'parse-errors') {
191			delete $opt{role};
192			$self->end_tag ('dl');
193			## NOTE: For parse error list, the \|add_source_to_parse_error_list\|
194			## method is invoked at the end of \|generate_source_string_section\|,
195			## since that generation method is invoked after the error list
196			## is generated.
197			} elsif ($opt{role} eq 'structure-errors') {
198			delete $opt{role};
199			$self->end_tag ('dl');
200			$self->add_source_to_parse_error_list ('document-errors-list');
201			} else {
202			$self->end_tag ('dl');
203			}
204			} else {
205			$self->end_tag ('dl');
206			}
207			} # end_error_list
208
209			sub add_source_to_parse_error_list ($$) {
210			my $self = shift;
211
212			$self->script (q[addSourceToParseErrorList ('] . $self->input->id_prefix .
213	wakaba	1.9	q[', '] . shift () . q[')]);
214	wakaba	1.4	} # add_source_to_parse_error_list
215	wakaba	1.1
216			sub start_code_block ($) {
217			shift->html ('<pre><code>');
218			} # start_code_block
219
220			sub end_code_block ($) {
221			shift->html ('</code></pre>');
222			} # end_code_block
223
224	wakaba	1.3	sub code ($$;%) {
225			my ($self, $content, %opt) = @_;
226			$self->start_tag ('code', %opt);
227			$self->text ($content);
228			$self->html ('</code>');
229	wakaba	1.1	} # code
230
231	wakaba	1.3	sub script ($$;%) {
232			my ($self, $content, %opt) = @_;
233			$self->start_tag ('script', %opt);
234			$self->html ($content);
235			$self->html ('</script>');
236			} # script
237
238			sub dt ($$;%) {
239			my ($self, $content, %opt) = @_;
240			$self->start_tag ('dt', %opt);
241	wakaba	1.7	$self->nl_text ($content, text => $opt{text});
242	wakaba	1.3	} # dt
243
244	wakaba	1.9	sub select ($$%) {
245			my ($self, $options, %opt) = @_;
246
247			my $selected = $opt{selected};
248			delete $opt{selected};
249
250			$self->start_tag ('select', %opt);
251
252			my @options = @$options;
253			while (@options) {
254			my $opt = shift @options;
255			if ($opt->{options}) {
256			$self->html ('<optgroup label="');
257			$self->nl_text ($opt->{label});
258			$self->html ('">');
259			unshift @options, @{$opt->{options}}, {end_options => 1};
260			} elsif ($opt->{end_options}) {
261			$self->end_tag ('optgroup');
262			} else {
263			$self->start_tag ('option', value => $opt->{value},
264			((defined $selected and $opt->{value} eq $selected)
265			? (selected => '') : ()));
266			$self->nl_text (defined $opt->{label} ? $opt->{label} : $opt->{value});
267			}
268			}
269
270			$self->end_tag ('select');
271			} # select
272
273	wakaba	1.1	sub link ($$%) {
274			my ($self, $content, %opt) = @_;
275	wakaba	1.2	$self->start_tag ('a', %opt, href => $opt{url});
276	wakaba	1.1	$self->text ($content);
277			$self->html ('</a>');
278			} # link
279
280			sub xref ($$%) {
281			my ($self, $content, %opt) = @_;
282			$self->html ('<a href="#' . $htescape->($self->input->id_prefix . $opt{target}) . '">');
283	wakaba	1.7	$self->nl_text ($content, text => $opt{text});
284	wakaba	1.1	$self->html ('</a>');
285			} # xref
286
287	wakaba	1.2	sub link_to_webhacc ($$%) {
288			my ($self, $content, %opt) = @_;
289			$opt{url} = './?uri=' . $self->encode_url_component ($opt{url});
290			$self->link ($content, %opt);
291			} # link_to_webhacc
292
293	wakaba	1.3	my $get_node_path = sub ($) {
294			my $node = shift;
295			my @r;
296			while (defined $node) {
297			my $rs;
298			if ($node->node_type == 1) {
299			$rs = $node->node_name;
300			$node = $node->parent_node;
301			} elsif ($node->node_type == 2) {
302			$rs = '@' . $node->node_name;
303			$node = $node->owner_element;
304			} elsif ($node->node_type == 3) {
305			$rs = '"' . $node->data . '"';
306			$node = $node->parent_node;
307			} elsif ($node->node_type == 9) {
308			@r = ('') unless @r;
309			$rs = '';
310			$node = $node->parent_node;
311			} else {
312			$rs = '#' . $node->node_type;
313			$node = $node->parent_node;
314			}
315			unshift @r, $rs;
316			}
317			return join '/', @r;
318			}; # $get_node_path
319
320	wakaba	1.10	my $get_object_path = sub ($) {
321			my $node = shift;
322			my @r;
323			while (defined $node) {
324			my $ref = ref $node;
325			$ref =~ /([^:]+)$/;
326			my $rs = $1;
327			my $node_name = $node->node_name;
328			if (defined $node_name) {
329			$rs .= ' <code>' . $htescape->($node_name) . '</code>';
330			}
331			$node = undef;
332			unshift @r, $rs;
333			}
334			return join '/', @r;
335			}; # $get_object_path
336
337	wakaba	1.3	sub node_link ($$) {
338			my ($self, $node) = @_;
339	wakaba	1.10	if ($node->isa ('Message::IF::Node')) {
340			$self->xref ($get_node_path->($node), target => 'node-' . refaddr $node);
341			} else {
342			$self->html ($get_object_path->($node));
343			}
344	wakaba	1.3	} # node_link
345
346	wakaba	1.7	{
347			my $Msg = {};
348
349			sub load_text_catalog ($$) {
350			my $self = shift;
351
352			my $lang = shift; # MUST be a canonical lang name
353			my $file_name = qq[cc-msg.$lang.txt];
354			$lang = 'en' unless -f $file_name;
355			$self->{primary_language} = $lang;
356
357			open my $file, '<:utf8', $file_name or die "$0: $file_name: $!";
358			while (<$file>) {
359			if (s/^([^;]+);([^;]*);//) {
360			my ($type, $cls, $msg) = ($1, $2, $_);
361			$msg =~ tr/\x0D\x0A//d;
362			$Msg->{$type} = [$cls, $msg];
363			}
364			}
365			} # load_text_catalog
366
367			sub nl_text ($$;%) {
368			my ($self, $type, %opt) = @_;
369			my $node = $opt{node};
370
371			my @arg;
372			{
373			if (defined $Msg->{$type}) {
374			my $msg = $Msg->{$type}->[1];
375			if ($msg =~ /<var>/) {
376			$msg =~ s{<var>\$([0-9]+)</var>}{
377			defined $arg[$1] ? $htescape->($arg[$1]) : '(undef)';
378			}ge;
379			$msg =~ s{<var>{\@([A-Za-z0-9:_.-]+)}</var>}{
380			UNIVERSAL::can ($node, 'get_attribute_ns')
381			? $htescape->($node->get_attribute_ns (undef, $1)) : ''
382			}ge;
383			$msg =~ s{<var>{\@}</var>}{
384			UNIVERSAL::can ($node, 'value') ? $htescape->($node->value) : ''
385			}ge;
386			$msg =~ s{<var>{text}</var>}{
387			defined $opt{text} ? $htescape->($opt{text}) : ''
388			}ge;
389			$msg =~ s{<var>{local-name}</var>}{
390			UNIVERSAL::can ($node, 'manakai_local_name')
391			? $htescape->($node->manakai_local_name) : ''
392			}ge;
393			$msg =~ s{<var>{element-local-name}</var>}{
394			(UNIVERSAL::can ($node, 'owner_element') and
395			$node->owner_element)
396			? $htescape->($node->owner_element->manakai_local_name) : ''
397			}ge;
398			}
399			$self->html ($msg);
400			return;
401			} elsif ($type =~ s/:([^:]*)$//) {
402			unshift @arg, $1;
403			redo;
404			}
405			}
406			$self->text ($type);
407			} # nl_text
408
409			}
410
411	wakaba	1.1	sub nav_list ($) {
412			my $self = shift;
413			$self->html (q[<ul class="navigation" id="nav-items">]);
414			for (@{$self->{nav}}) {
415	wakaba	1.7	$self->html (qq[<li><a href="#@{[$htescape->($_->[0])]}">]);
416			$self->nl_text ($_->[1], text => $_->[2]);
417			$self->html ('</a>');
418	wakaba	1.1	}
419			$self->html ('</ul>');
420			} # nav_list
421	wakaba	1.2
422	wakaba	1.5	sub http_header ($) {
423			shift->html (qq[Content-Type: text/html; charset=utf-8\n\n]);
424			} # http_header
425
426			sub http_error ($$) {
427			my $self = shift;
428			my $code = 0+shift;
429			my $text = {
430			404 => 'Not Found',
431			}->{$code};
432			$self->html (qq[Status: $code $text\nContent-Type: text/html ; charset=us-ascii\n\n$code $text]);
433			} # http_error
434
435			sub html_header ($) {
436			my $self = shift;
437	wakaba	1.7	$self->html (q[<!DOCTYPE html>]);
438			$self->start_tag ('html', lang => $self->{primary_language});
439			$self->html (q[<head><title>]);
440			$self->nl_text (q[WebHACC:Title]);
441			$self->html (q[</title>
442	wakaba	1.5	<link rel="stylesheet" href="../cc-style.css" type="text/css">
443	wakaba	1.8	<script src="../cc-script.js"></script>
444	wakaba	1.5	</head>
445	wakaba	1.11	<body onclick=" return onbodyclick (event) " onload=" onbodyload () ">
446	wakaba	1.7	<h1>]);
447			$self->nl_text (q[WebHACC:Heading]);
448	wakaba	1.11	$self->html (q[</h1><script> insertNavSections () </script>]);
449	wakaba	1.5	} # html_header
450	wakaba	1.9
451			sub generate_input_section ($$) {
452			my ($out, $cgi) = @_;
453
454			my $options = sub ($) {
455			my $context = shift;
456
457			$out->html (q[<div class=details><p class=legend onclick="nextSibling.style.display = nextSibling.style.display == 'none' ? 'block' : 'none'">]);
458			$out->nl_text (q[Options]);
459			$out->start_tag ('div');
460
461			if ($context eq 'url') {
462			$out->start_tag ('p');
463			$out->start_tag ('label');
464			$out->start_tag ('input', type => 'checkbox', name => 'error-page',
465			value => 1,
466			($cgi->get_parameter ('error-page')
467			? (checked => '') : ()));
468			$out->nl_text ('Check error page');
469			$out->end_tag ('label');
470			}
471
472			$out->start_tag ('p');
473			$out->start_tag ('label');
474			$out->nl_text (q[Content type]);
475			$out->text (': ');
476			$out->select ([
477			{value => '', label => 'As specified'},
478			{value => 'application/atom+xml'},
479			{value => 'application/xhtml+xml'},
480			{value => 'application/xml'},
481			{value => 'text/html'},
482			{value => 'text/xml'},
483			{value => 'text/css'},
484			{value => 'text/cache-manifest'},
485			{value => 'text/x-webidl'},
486			], name => 'i', selected => scalar $cgi->get_parameter ('i'));
487			$out->end_tag ('label');
488
489			if ($context ne 'text') {
490			$out->start_tag ('p');
491			$out->start_tag ('label');
492			$out->nl_text (q[Charset]);
493			$out->text (q[: ]);
494			$out->select ([
495			{value => '', label => 'As specified'},
496			{label => 'Japanese charsets', options => [
497			{value => 'Windows-31J'},
498			{value => 'Shift_JIS'},
499			{value => 'EUC-JP'},
500			{value => 'ISO-2022-JP'},
501			]},
502			{label => 'European charsets', options => [
503			{value => 'Windows-1252'},
504			{value => 'ISO-8859-1'},
505			{value => 'US-ASCII'},
506			]},
507			{label => 'Asian charsets', options => [
508			{value => 'Windows-874'},
509			{value => 'ISO-8859-11'},
510			{value => 'TIS-620'},
511			]},
512			{label => 'Unicode charsets', options => [
513			{value => 'UTF-8'},
514			{value => 'UTF-8n'},
515			]},
516			], name => 'charset',
517			selected => scalar $cgi->get_parameter ('charset'));
518			$out->end_tag ('label');
519			}
520
521			if ($context eq 'text') {
522			$out->start_tag ('p');
523			$out->start_tag ('label');
524			$out->nl_text ('Setting innerHTML');
525			$out->text (': ');
526			$out->start_tag ('input', name => 'e',
527			value => scalar $cgi->get_parameter ('e'));
528			$out->end_tag ('label');
529			}
530
531			$out->html (q[</div></div>]);
532			}; # $options
533
534			$out->start_section (id => 'input', title => 'Input');
535
536			$out->start_section (id => 'input-url', title => 'By URL');
537	wakaba	1.10	$out->start_tag ('form', action => './#result-summary',
538			'accept-charset' => 'utf-8',
539	wakaba	1.9	method => 'get');
540			$out->start_tag ('input', type => 'hidden', name => '_charset_');
541
542			$out->start_tag ('p');
543			$out->start_tag ('label');
544			$out->nl_text ('URL');
545			$out->text (': ');
546			$out->start_tag ('input',
547			name => 'uri',
548			type => 'url',
549			value => $cgi->get_parameter ('uri'));
550			$out->end_tag ('label');
551
552			$options->('url');
553
554			$out->start_tag ('p');
555			$out->start_tag ('button', type => 'submit');
556			$out->nl_text ('Check');
557
558			$out->end_tag ('form');
559			$out->end_section;
560
561			$out->end_tag ('fieldset');
562
563			## TODO: File upload
564
565			$out->start_section (id => 'input-text', title => 'By direct input');
566	wakaba	1.10	$out->start_tag ('form', action => './#result-summary',
567			'accept-charset' => 'utf-8',
568	wakaba	1.9	method => 'post');
569			$out->start_tag ('input', type => 'hidden', name => '_charset_');
570
571			$out->start_tag ('p');
572			$out->start_tag ('label');
573			$out->nl_text ('Document source to check');
574			$out->text (': ');
575			$out->start_tag ('br');
576			$out->start_tag ('textarea',
577			name => 's');
578			my $s = $cgi->get_parameter ('s');
579	wakaba	1.10	$out->html ($htescape_value->($s)) if defined $s;
580	wakaba	1.9	$out->end_tag ('textarea');
581			$out->end_tag ('label');
582
583			$options->('text');
584
585			$out->start_tag ('p');
586			$out->start_tag ('button', type => 'submit',
587			onclick => 'form.method = form.s.value.length > 512 ? "post" : "get"');
588			$out->nl_text ('Check');
589			$out->end_tag ('button');
590
591			$out->end_tag ('form');
592			$out->end_section;
593
594			$out->end_section;
595			} # generate_input_section
596	wakaba	1.2
597			sub encode_url_component ($$) {
598			shift;
599			require Encode;
600			my $s = Encode::encode ('utf8', shift);
601			$s =~ s/([^0-9A-Za-z_.~-])/sprintf '%%%02X', ord $1/ge;
602			return $s;
603			} # encode_url_component
604	wakaba	1.1
605			1;