whatpm/Whatpm/mkhtmlparser.pl

#!/usr/bin/perl 
use strict;

while (<>) {
  s/!!!emit\b/return /;
  s{!!!next-input-character;}{q{
      if (@{$self->{char}}) {
        $self->{next_input_character} = shift @{$self->{char}};
      } else {
        $self->{set_next_input_character}->($self);
      }
  }}ge;
  s{!!!back-next-input-character\b}{q{unshift @{$self->{char}}, }}ge;
  s{!!!parse-error;}{q{$self->{parse_error}->();}}ge;
  s{!!!parse-error\b}{q{$self->{parse_error}->}}ge;
  s{!!!insert-element-t\s*\(([^(),]+),([^(),]+)\)\s*;}{qq{
    {
      my \$el;
      !!!create-element (\$el, $1, $2);
      \$insert->(\$el);
      push \@{\$self->{open_elements}}, [\$el, $1];
    }
  }}ge;
  s{!!!insert-element-t\s*\(([^(),]+)\)\s*;}{qq{
    {
      my \$el;
      !!!create-element (\$el, $1);
      \$insert->(\$el);
      push \@{\$self->{open_elements}}, [\$el, $1];
    }
  }}ge;
  s{!!!insert-element\s*\(([^(),]+),([^(),]+)\)\s*;}{qq{
    {
      my \$el;
      !!!create-element (\$el, $1, $2);
      \$self->{open_elements}->[-1]->[0]->append_child (\$el);
      push \@{\$self->{open_elements}}, [\$el, $1];
    }
  }}ge;
  s{!!!insert-element\s*\(([^(),]+)\)\s*;}{qq{
    {
      my \$el;
      !!!create-element (\$el, $1);
      \$self->{open_elements}->[-1]->[0]->append_child (\$el);
      push \@{\$self->{open_elements}}, [\$el, $1];
    }
  }}ge;
  s{!!!create-element\s*\(([^(),]+),([^(),]+)(?:,([^(),]+))?\)\s*;}{
    my $r = qq{
      $1 = \$self->{document}->create_element_ns
        (q<http://www.w3.org/1999/xhtml>, [undef, $2]);
    };
    if (defined $3) {
      $r .= qq{
        for my \$attr_name (keys %{$3}) {
          $1->set_attribute_ns (undef, [undef, \$attr_name],
                                $3 ->{\$attr_name}->{value});
        }
      };
    }
    $r;
  }ge; # MUST
  s{!!!next-token;}{q{$token = $self->_get_next_token;}}ge;
  s{!!!back-token;}{q{unshift @{$self->{token}}, $token;}}ge;
  s{!!!back-token\s*\(}{q{unshift @{$self->{token}}, (}}ge;
  print;
}
1	#!/usr/bin/perl
2	use strict;
3
4	while (<>) {
5	s/!!!emit\b/return /;
6	s{!!!next-input-character;}{q{
7	if (@{$self->{char}}) {
8	$self->{next_input_character} = shift @{$self->{char}};
9	} else {
10	$self->{set_next_input_character}->($self);
11	}
12	}}ge;
13	s{!!!back-next-input-character\b}{q{unshift @{$self->{char}}, }}ge;
14	s{!!!parse-error;}{q{$self->{parse_error}->();}}ge;
15	s{!!!parse-error\b}{q{$self->{parse_error}->}}ge;
16	s{!!!insert-element-t\s\(([^(),]+),([^(),]+)\)\s;}{qq{
17	{
18	my \$el;
19	!!!create-element (\$el, $1, $2);
20	\$insert->(\$el);
21	push \@{\$self->{open_elements}}, [\$el, $1];
22	}
23	}}ge;
24	s{!!!insert-element-t\s\(([^(),]+)\)\s;}{qq{
25	{
26	my \$el;
27	!!!create-element (\$el, $1);
28	\$insert->(\$el);
29	push \@{\$self->{open_elements}}, [\$el, $1];
30	}
31	}}ge;
32	s{!!!insert-element\s\(([^(),]+),([^(),]+)\)\s;}{qq{
33	{
34	my \$el;
35	!!!create-element (\$el, $1, $2);
36	\$self->{open_elements}->[-1]->[0]->append_child (\$el);
37	push \@{\$self->{open_elements}}, [\$el, $1];
38	}
39	}}ge;
40	s{!!!insert-element\s\(([^(),]+)\)\s;}{qq{
41	{
42	my \$el;
43	!!!create-element (\$el, $1);
44	\$self->{open_elements}->[-1]->[0]->append_child (\$el);
45	push \@{\$self->{open_elements}}, [\$el, $1];
46	}
47	}}ge;
48	s{!!!create-element\s\(([^(),]+),([^(),]+)(?:,([^(),]+))?\)\s;}{
49	my $r = qq{
50	$1 = \$self->{document}->create_element_ns
51	(q<http://www.w3.org/1999/xhtml>, [undef, $2]);
52	};
53	if (defined $3) {
54	$r .= qq{
55	for my \$attr_name (keys %{$3}) {
56	$1->set_attribute_ns (undef, [undef, \$attr_name],
57	$3 ->{\$attr_name}->{value});
58	}
59	};
60	}
61	$r;
62	}ge; # MUST
63	s{!!!next-token;}{q{$token = $self->_get_next_token;}}ge;
64	s{!!!back-token;}{q{unshift @{$self->{token}}, $token;}}ge;
65	s{!!!back-token\s*\(}{q{unshift @{$self->{token}}, (}}ge;
66	print;
67	}