whatpm/Whatpm/mkhtmlparser.pl

#!/usr/bin/perl 
use strict;

my $DEBUG = $ENV{DEBUG};

while (<>) {
  s/!!!emit\b/return /;
  s{!!!next-input-character;}{q{
      if (@{$self->{char}}) {
        $self->{next_char} = shift @{$self->{char}};
      } else {
        $self->{set_next_char}->($self);
      }
  }}ge;
  s{!!!back-next-input-character\b}{q{unshift @{$self->{char}}, }}ge;
  s{!!!nack\s*\(\s*'([^']+)'\s*\)\s*;}{
    ($DEBUG ? qq{
      if (\$self->{self_closing}) {
        !!!cp ('$1.2');
      } else {
        !!!cp ('$1.3');
      }
    } : '')
  }ge;
  s{!!!ack\s*(?>\([^)]*\)\s*)?;}{q{delete $self->{self_closing};}}ge;
  s{!!!ack-later\s*(?>\([^)]*\)\s*)?;}{}ge;
  s{!!!insert-element-f\s*\(([^(),]+),([^(),]+),([^(),]+),([^(),]+)\)\s*;}{qq{
    {
      my \$el;
      !!!create-element (\$el, $1, $2, $3, $4);
      \$insert->(\$el);
      push \@{\$self->{open_elements}}, [\$el, (\$el_category_f->{$1}->{$2} || 0) | FOREIGN_EL];

      if ($3\->{xmlns} and $3\->{xmlns}->{value} ne ($1)) {
        !!!parse-error (type => 'bad namespace', token => $4);
## TODO: Error type documentation
      }
    }
  }}ge;
  s{!!!insert-element-t\s*\(([^(),]+),([^(),]+),([^(),]+)\)\s*;}{qq{
    {
      my \$el;
      !!!create-element (\$el, \$HTML_NS, $1, $2, $3);
      \$insert->(\$el);
      push \@{\$self->{open_elements}}, [\$el, \$el_category->{$1} || 0];
    }
  }}ge;
  s{!!!insert-element\s*\(([^(),]+),\s*,([^(),]+)\)\s*;}{qq{
    {
      my \$el;
      !!!create-element (\$el, \$HTML_NS, $1,, $2);
      \$self->{open_elements}->[-1]->[0]->append_child (\$el);
      push \@{\$self->{open_elements}}, [\$el, \$el_category->{$1} || 0];
    }
  }}ge;
  s{!!!insert-element\s*\(([^(),]+),([^(),]+),([^(),]+)\)\s*;}{qq{
    {
      my \$el;
      !!!create-element (\$el, \$HTML_NS, $1, $2, $3);
      \$self->{open_elements}->[-1]->[0]->append_child (\$el);
      push \@{\$self->{open_elements}}, [\$el, \$el_category->{$1} || 0];
    }
  }}ge;
  s{!!!create-element\s*\(([^(),]+),\s*([^(),]+),([^(),]+)(?:,([^(),]*)(?>,([^(),]+))?)?\)\s*;}{
    my ($l_var, $nsuri, $lname, $attrs, $token_var) = ($1, $2, $3, $4, $5);
    $nsuri =~ s/^\s+//;
    $nsuri =~ s/\s+\z//;
    my $r = qq{
      $l_var = \$self->{document}->create_element_ns
        ($nsuri, [undef, $lname]);
    };
    if (defined $attrs and length $attrs) {
      my $attr_xname;
      if ($nsuri eq q<$HTML_NS>) {
        $attr_xname = q[undef, [undef, $attr_name]];
      } else {
        ## NOTE: "Adjust SVG attributes" (SVG only) and
        ## "adjust foreign attributes".
        $attr_xname = qq[
          \@{
            \$foreign_attr_xname->{\$attr_name} ||
            [undef, [undef,
                     $nsuri eq \$SVG_NS ?
                         (\$svg_attr_name->{\$attr_name} || \$attr_name) :
                         \$attr_name]]
          }
        ];
      }
      $r .= qq{
        for my \$attr_name (keys %{$attrs}) {
          my \$attr_t = $attrs\->{\$attr_name};
          my \$attr = \$self->{document}->create_attribute_ns ($attr_xname);
          \$attr->value (\$attr_t->{value});
          \$attr->set_user_data (manakai_source_line => \$attr_t->{line});
          \$attr->set_user_data (manakai_source_column => \$attr_t->{column});
          $l_var->set_attribute_node_ns (\$attr);
        }
      };
    }
    if (defined $token_var) {
      $token_var =~ s/^\s+//;
      $token_var =~ s/\s+$//;
      $r .= qq{
        $l_var->set_user_data (manakai_source_line => $token_var\->{line})
            if defined $token_var\->{line};
        $l_var->set_user_data (manakai_source_column => $token_var\->{column})
            if defined $token_var\->{column};
      };
      ## TODO: In future version, it should be allowed for an application
      ## developer to choose whether these information should be kept
      ## for tracking or not for performance by some means.
    }
    $r;
  }ge; # MUST
  s{!!!parse-error;}{q{$self->{parse_error}->();}}ge;
  s{!!!parse-error\s*\(}{
    q{$self->{parse_error}->(level => $self->{must_level}, }
  }ge;
  s{!!!next-token;}{q{$token = $self->_get_next_token;}}ge;
  s{!!!back-token;}{
    q{
      $token->{self_closing} = $self->{self_closing};
      unshift @{$self->{token}}, $token;
      delete $self->{self_closing};
    }
  }ge;
  s{!!!back-token\s*\(}{q{unshift @{$self->{token}}, (}}ge;
  s{!!!cp\s*\(\s*(\S+)\s*\)\s*;}{
    $DEBUG ? qq{
      #print STDERR "$1, ";
      \$Whatpm::HTML::Debug::cp_pass->($1) if \$Whatpm::HTML::Debug::cp_pass;
      BEGIN {
        \$Whatpm::HTML::Debug::cp->{$1} = 1;
      }
    } : ''
  }ge;
  print;
}
1	wakaba	1.1	#!/usr/bin/perl
2			use strict;
3
4	wakaba	1.4	my $DEBUG = $ENV{DEBUG};
5
6	wakaba	1.1	while (<>) {
7			s/!!!emit\b/return /;
8			s{!!!next-input-character;}{q{
9			if (@{$self->{char}}) {
10	wakaba	1.3	$self->{next_char} = shift @{$self->{char}};
11	wakaba	1.1	} else {
12	wakaba	1.3	$self->{set_next_char}->($self);
13	wakaba	1.1	}
14			}}ge;
15			s{!!!back-next-input-character\b}{q{unshift @{$self->{char}}, }}ge;
16	wakaba	1.10	s{!!!nack\s\(\s'([^']+)'\s\)\s;}{
17			($DEBUG ? qq{
18			if (\$self->{self_closing}) {
19			!!!cp ('$1.2');
20			} else {
21			!!!cp ('$1.3');
22			}
23			} : '')
24			}ge;
25			s{!!!ack\s(?>\([^)]\)\s*)?;}{q{delete $self->{self_closing};}}ge;
26			s{!!!ack-later\s(?>\([^)]\)\s*)?;}{}ge;
27	wakaba	1.12	s{!!!insert-element-f\s\(([^(),]+),([^(),]+),([^(),]+),([^(),]+)\)\s;}{qq{
28	wakaba	1.7	{
29			my \$el;
30	wakaba	1.12	!!!create-element (\$el, $1, $2, $3, $4);
31	wakaba	1.7	\$insert->(\$el);
32	wakaba	1.12	push \@{\$self->{open_elements}}, [\$el, (\$el_category_f->{$1}->{$2} \|\| 0) \| FOREIGN_EL];
33
34			if ($3\->{xmlns} and $3\->{xmlns}->{value} ne ($1)) {
35			!!!parse-error (type => 'bad namespace', token => $4);
36			## TODO: Error type documentation
37			}
38	wakaba	1.7	}
39			}}ge;
40	wakaba	1.11	s{!!!insert-element-t\s\(([^(),]+),([^(),]+),([^(),]+)\)\s;}{qq{
41	wakaba	1.1	{
42			my \$el;
43	wakaba	1.11	!!!create-element (\$el, \$HTML_NS, $1, $2, $3);
44	wakaba	1.1	\$insert->(\$el);
45	wakaba	1.9	push \@{\$self->{open_elements}}, [\$el, \$el_category->{$1} \|\| 0];
46	wakaba	1.1	}
47			}}ge;
48	wakaba	1.7	s{!!!insert-element\s\(([^(),]+),\s,([^(),]+)\)\s*;}{qq{
49			{
50			my \$el;
51	wakaba	1.11	!!!create-element (\$el, \$HTML_NS, $1,, $2);
52	wakaba	1.7	\$self->{open_elements}->[-1]->[0]->append_child (\$el);
53	wakaba	1.9	push \@{\$self->{open_elements}}, [\$el, \$el_category->{$1} \|\| 0];
54	wakaba	1.7	}
55			}}ge;
56			s{!!!insert-element\s\(([^(),]+),([^(),]+),([^(),]+)\)\s;}{qq{
57			{
58			my \$el;
59	wakaba	1.11	!!!create-element (\$el, \$HTML_NS, $1, $2, $3);
60	wakaba	1.2	\$self->{open_elements}->[-1]->[0]->append_child (\$el);
61	wakaba	1.9	push \@{\$self->{open_elements}}, [\$el, \$el_category->{$1} \|\| 0];
62	wakaba	1.1	}
63			}}ge;
64	wakaba	1.12	s{!!!create-element\s\(([^(),]+),\s([^(),]+),([^(),]+)(?:,([^(),])(?>,([^(),]+))?)?\)\s;}{
65			my ($l_var, $nsuri, $lname, $attrs, $token_var) = ($1, $2, $3, $4, $5);
66			$nsuri =~ s/^\s+//;
67			$nsuri =~ s/\s+\z//;
68	wakaba	1.1	my $r = qq{
69	wakaba	1.7	$l_var = \$self->{document}->create_element_ns
70	wakaba	1.12	($nsuri, [undef, $lname]);
71	wakaba	1.1	};
72	wakaba	1.12	if (defined $attrs and length $attrs) {
73			my $attr_xname;
74			if ($nsuri eq q<$HTML_NS>) {
75			$attr_xname = q[undef, [undef, $attr_name]];
76			} else {
77			## NOTE: "Adjust SVG attributes" (SVG only) and
78			## "adjust foreign attributes".
79			$attr_xname = qq[
80			\@{
81			\$foreign_attr_xname->{\$attr_name} \|\|
82			[undef, [undef,
83			$nsuri eq \$SVG_NS ?
84			(\$svg_attr_name->{\$attr_name} \|\| \$attr_name) :
85			\$attr_name]]
86			}
87			];
88			}
89	wakaba	1.1	$r .= qq{
90	wakaba	1.12	for my \$attr_name (keys %{$attrs}) {
91			my \$attr_t = $attrs\->{\$attr_name};
92			my \$attr = \$self->{document}->create_attribute_ns ($attr_xname);
93	wakaba	1.8	\$attr->value (\$attr_t->{value});
94			\$attr->set_user_data (manakai_source_line => \$attr_t->{line});
95			\$attr->set_user_data (manakai_source_column => \$attr_t->{column});
96			$l_var->set_attribute_node_ns (\$attr);
97	wakaba	1.1	}
98			};
99	wakaba	1.7	}
100	wakaba	1.12	if (defined $token_var) {
101	wakaba	1.7	$token_var =~ s/^\s+//;
102			$token_var =~ s/\s+$//;
103			$r .= qq{
104			$l_var->set_user_data (manakai_source_line => $token_var\->{line})
105			if defined $token_var\->{line};
106			$l_var->set_user_data (manakai_source_column => $token_var\->{column})
107			if defined $token_var\->{column};
108			};
109			## TODO: In future version, it should be allowed for an application
110			## developer to choose whether these information should be kept
111			## for tracking or not for performance by some means.
112	wakaba	1.1	}
113			$r;
114			}ge; # MUST
115	wakaba	1.12	s{!!!parse-error;}{q{$self->{parse_error}->();}}ge;
116			s{!!!parse-error\s*\(}{
117			q{$self->{parse_error}->(level => $self->{must_level}, }
118			}ge;
119	wakaba	1.1	s{!!!next-token;}{q{$token = $self->_get_next_token;}}ge;
120	wakaba	1.10	s{!!!back-token;}{
121			q{
122			$token->{self_closing} = $self->{self_closing};
123			unshift @{$self->{token}}, $token;
124			delete $self->{self_closing};
125			}
126			}ge;
127	wakaba	1.1	s{!!!back-token\s*\(}{q{unshift @{$self->{token}}, (}}ge;
128	wakaba	1.4	s{!!!cp\s\(\s(\S+)\s\)\s;}{
129			$DEBUG ? qq{
130	wakaba	1.5	#print STDERR "$1, ";
131	wakaba	1.4	\$Whatpm::HTML::Debug::cp_pass->($1) if \$Whatpm::HTML::Debug::cp_pass;
132			BEGIN {
133			\$Whatpm::HTML::Debug::cp->{$1} = 1;
134			}
135			} : ''
136			}ge;
137	wakaba	1.1	print;
138			}