WebHACC/Language/XML.pm

package WebHACC::Language::XML;
use strict;
require WebHACC::Language::DOM;
push our @ISA, 'WebHACC::Language::DOM';

sub new ($) {
  return bless {}, shift;
} # new

sub generate_syntax_error_section ($) {
  my $self = shift;
  
  require Message::DOM::DOMImplementation;
  require Message::DOM::XMLParserTemp;

  $self->result->layer_uncertain ('charset');

  my $out = $self->output;
  $out->start_section (role => 'parse-errors');
  $out->start_error_list (role => 'parse-errors');

  my $input = $self->input;
  my $result = $self->result;
  $self->result->layer_applicable ('syntax');

  my $onerror = sub {
    my $err = shift;
    $result->add_error (line => $err->location->line_number,
                        column => $err->location->column_number,
                        type => 'xml parse error',
                        value => $err->text,
                        level => [
                          $err->SEVERITY_FATAL_ERROR => 'm',
                          $err->SEVERITY_ERROR => 'm',
                          $err->SEVERITY_WARNING => 's',
                        ]->[$err->severity],
                        layer => 'syntax');
    return 1;
  };

  my $t = \($input->{s});
  if ($input->{is_char_string}) {
    require Encode;
    $t = \(Encode::encode ('utf8', $$t));
    $input->{charset} = 'utf-8';
  } else {
    $self->result->layer_uncertain ('encode');
  }

  open my $fh, '<', $t;
  my $dom = Message::DOM::DOMImplementation->new;
  $self->{structure} = Message::DOM::XMLParserTemp->parse_byte_stream
      ($fh => $dom, $onerror, charset => $input->{charset});
  $self->{structure}->manakai_charset ($input->{official_charset})
      if defined $input->{official_charset};

  $self->{structure}->document_uri ($input->{uri});
  $self->{structure}->manakai_entity_base_uri ($input->{base_uri});

  $out->end_error_list;
  $out->end_section;
} # generate_syntax_error_section

sub source_charset ($) {
  my $self = shift;
  return $self->input->{charset} || ($self->{structure}->owner_document || $self->{structure})->input_encoding;
  ## TODO: Can we always use input_encoding?
} # source_charset

1;
1	package WebHACC::Language::XML;
2	use strict;
3	require WebHACC::Language::DOM;
4	push our @ISA, 'WebHACC::Language::DOM';
5
6	sub new ($) {
7	return bless {}, shift;
8	} # new
9
10	sub generate_syntax_error_section ($) {
11	my $self = shift;
12
13	require Message::DOM::DOMImplementation;
14	require Message::DOM::XMLParserTemp;
15
16	$self->result->layer_uncertain ('charset');
17
18	my $out = $self->output;
19	$out->start_section (role => 'parse-errors');
20	$out->start_error_list (role => 'parse-errors');
21
22	my $input = $self->input;
23	my $result = $self->result;
24	$self->result->layer_applicable ('syntax');
25
26	my $onerror = sub {
27	my $err = shift;
28	$result->add_error (line => $err->location->line_number,
29	column => $err->location->column_number,
30	type => 'xml parse error',
31	value => $err->text,
32	level => [
33	$err->SEVERITY_FATAL_ERROR => 'm',
34	$err->SEVERITY_ERROR => 'm',
35	$err->SEVERITY_WARNING => 's',
36	]->[$err->severity],
37	layer => 'syntax');
38	return 1;
39	};
40
41	my $t = \($input->{s});
42	if ($input->{is_char_string}) {
43	require Encode;
44	$t = \(Encode::encode ('utf8', $$t));
45	$input->{charset} = 'utf-8';
46	} else {
47	$self->result->layer_uncertain ('encode');
48	}
49
50	open my $fh, '<', $t;
51	my $dom = Message::DOM::DOMImplementation->new;
52	$self->{structure} = Message::DOM::XMLParserTemp->parse_byte_stream
53	($fh => $dom, $onerror, charset => $input->{charset});
54	$self->{structure}->manakai_charset ($input->{official_charset})
55	if defined $input->{official_charset};
56
57	$self->{structure}->document_uri ($input->{uri});
58	$self->{structure}->manakai_entity_base_uri ($input->{base_uri});
59
60	$out->end_error_list;
61	$out->end_section;
62	} # generate_syntax_error_section
63
64	sub source_charset ($) {
65	my $self = shift;
66	return $self->input->{charset} \|\| ($self->{structure}->owner_document \|\| $self->{structure})->input_encoding;
67	## TODO: Can we always use input_encoding?
68	} # source_charset
69
70	1;