Message/DOM/EntityReference.pm

package Message::DOM::EntityReference;
use strict;
our $VERSION=do{my @r=(q$Revision: 1.6 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
push our @ISA, 'Message::DOM::Node', 'Message::IF::EntityReference';
require Message::DOM::Node;

sub ____new ($$$) {
  my $self = shift->SUPER::____new (shift);
  $$self->{node_name} = $_[0];
  $$self->{child_nodes} = [];
  return $self;
} # ____new
             
sub AUTOLOAD {
  my $method_name = our $AUTOLOAD;
  $method_name =~ s/.*:://;
  return if $method_name eq 'DESTROY';

  if ({
    ## Read-only attributes (trivial accessors)
    node_name => 1,
  }->{$method_name}) {
    no strict 'refs';
    eval qq{
      sub $method_name (\$) {
        return \${\$_[0]}->{$method_name}; 
      }
    };
    goto &{ $AUTOLOAD };
  } elsif ({
    ## Read-write attributes (boolean, trivial accessors)
    manakai_expanded => 1,
    manakai_external => 1,
  }->{$method_name}) {
    no strict 'refs';
    eval qq{
      sub $method_name (\$;\$) {
        if (\@_ > 1) {
          if (\${\${\$_[0]}->{owner_document}}->{manakai_strict_error_checking} and
              \${\$_[0]}->{manakai_read_only}) {
            report Message::DOM::DOMException
                -object => \$_[0],
                -type => 'NO_MODIFICATION_ALLOWED_ERR',
                -subtype => 'READ_ONLY_NODE_ERR';
          }
          if (\$_[1]) {
            \${\$_[0]}->{$method_name} = 1;
          } else {
            delete \${\$_[0]}->{$method_name};
          }
        }
        return \${\$_[0]}->{$method_name};
      }
    };
    goto &{ $AUTOLOAD };
  } else {
    require Carp;
    Carp::croak (qq<Can't locate method "$AUTOLOAD">);
  }
} # AUTOLOAD

## |Node| attributes

sub base_uri ($) {
  ## NOTE: Same as |CharacterData|'s.

  my $self = $_[0];
  local $Error::Depth = $Error::Depth + 1;
  my $pe = $$self->{parent_node};
  while (defined $pe) {
    my $nt = $pe->node_type;
    if ($nt == 1 or $nt == 2 or $nt == 6 or $nt == 9 or $nt == 11) {
      ## Element, Attr, Entity, Document, or DocumentFragment
      return $pe->base_uri;
    } elsif ($nt == 5) {
      ## EntityReference
      return $pe->manakai_entity_base_uri if $pe->manakai_external;
    }
    $pe = $$pe->{parent_node};
  }
  return $pe->base_uri if $pe;
  return $$self->{owner_document}->base_uri;
} # base_uri

sub node_name ($); # read-only trivial accessor

sub node_type () { 5 } # ENTITY_REFERENCE_NODE

## |EntityReference| attributes

sub manakai_entity_base_uri ($;$) {
  my $self = $_[0];
  if (@_ > 1) {
    if (${$$self->{owner_document}}->{strict_error_checking}) {
      if ($$self->{manakai_read_only}) {
        report Message::DOM::DOMException
            -object => $self,
            -type => 'NO_MODIFICATION_ALLOWED_ERR',
            -subtype => 'READ_ONLY_NODE_ERR';
      }
    }
    if (defined $_[1]) {
      $$self->{manakai_entity_base_uri} = ''.$_[1];
    } else {
      delete $$self->{manakai_entity_base_uri};
    }
  }
  
  if (defined $$self->{manakai_entity_base_uri}) {
    return $$self->{manakai_entity_base_uri};
  } else {
    local $Error::Depth = $Error::Depth + 1;
    return $self->base_uri;
  }
} # manakai_entity_base_uri

sub manakai_expanded ($;$);

sub manakai_external ($;$);

package Message::IF::EntityReference;

package Message::DOM::Document;

sub create_entity_reference ($$) {
  our $CreateEntityReference_OpenEntity;
      ## TODO: This is Multithread unsafe

  my $self = $_[0];
  my $orig_strict = $self->strict_error_checking;
  if ($orig_strict) {
    my $xv = $self->xml_version;
    if (defined $xv) {
      if ($xv eq '1.0' and
          $_[1] =~ /\A\p{InXML_NameStartChar10}\p{InXMLNameChar10}*\z/) {
        #
      } elsif ($xv eq '1.1' and
               $_[1] =~ /\A\p{InXMLNameStartChar11}\p{InXMLNameChar11}*\z/) {
        #
      } else {
        report Message::DOM::DOMException
            -object => $self,
            -type => 'INVALID_CHARACTER_ERR',
            -subtype => 'MALFORMED_NAME_ERR';
      }
    }
  }

  my $r = Message::DOM::EntityReference->____new ($self, $_[1]);

  ## Expansion
  unless ($CreateEntityReference_OpenEntity->{$_[1]}) {
    local $CreateEntityReference_OpenEntity->{$_[1]} = 1;
    local $Error::Depth = $Error::Depth + 1;

    my $doctype = $self->doctype;
    unless ($doctype) {
      $r->manakai_set_read_only (1, 1);
      return $r;
    }

    my $ent = $doctype->get_general_entity_node ($_[1]);
    unless ($ent) {
      $r->manakai_set_read_only (1, 1);
      return $r;
    }

    $self->strict_error_checking (0);
    for my $c (@{$ent->child_nodes}) {
      my $clone = $c->clone_node (1);
      $r->append_child ($clone);
    }
    $r->manakai_expanded ($ent->has_replacement_tree);
    $self->strict_error_checking ($orig_strict);
  }
  $r->manakai_set_read_only (1, 1);
  return $r;
} # create_entity_reference

=head1 LICENSE

Copyright 2007 Wakaba <w@suika.fam.cx>

This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.

=cut

1;
## $Date: 2007/07/14 09:19:11 $
1	package Message::DOM::EntityReference;
2	use strict;
3	our $VERSION=do{my @r=(q$Revision: 1.6 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
4	push our @ISA, 'Message::DOM::Node', 'Message::IF::EntityReference';
5	require Message::DOM::Node;
6
7	sub ____new ($$$) {
8	my $self = shift->SUPER::____new (shift);
9	$$self->{node_name} = $_[0];
10	$$self->{child_nodes} = [];
11	return $self;
12	} # ____new
13
14	sub AUTOLOAD {
15	my $method_name = our $AUTOLOAD;
16	$method_name =~ s/.*:://;
17	return if $method_name eq 'DESTROY';
18
19	if ({
20	## Read-only attributes (trivial accessors)
21	node_name => 1,
22	}->{$method_name}) {
23	no strict 'refs';
24	eval qq{
25	sub $method_name (\$) {
26	return \${\$_[0]}->{$method_name};
27	}
28	};
29	goto &{ $AUTOLOAD };
30	} elsif ({
31	## Read-write attributes (boolean, trivial accessors)
32	manakai_expanded => 1,
33	manakai_external => 1,
34	}->{$method_name}) {
35	no strict 'refs';
36	eval qq{
37	sub $method_name (\$;\$) {
38	if (\@_ > 1) {
39	if (\${\${\$_[0]}->{owner_document}}->{manakai_strict_error_checking} and
40	\${\$_[0]}->{manakai_read_only}) {
41	report Message::DOM::DOMException
42	-object => \$_[0],
43	-type => 'NO_MODIFICATION_ALLOWED_ERR',
44	-subtype => 'READ_ONLY_NODE_ERR';
45	}
46	if (\$_[1]) {
47	\${\$_[0]}->{$method_name} = 1;
48	} else {
49	delete \${\$_[0]}->{$method_name};
50	}
51	}
52	return \${\$_[0]}->{$method_name};
53	}
54	};
55	goto &{ $AUTOLOAD };
56	} else {
57	require Carp;
58	Carp::croak (qq<Can't locate method "$AUTOLOAD">);
59	}
60	} # AUTOLOAD
61
62	## \|Node\| attributes
63
64	sub base_uri ($) {
65	## NOTE: Same as \|CharacterData\|'s.
66
67	my $self = $_[0];
68	local $Error::Depth = $Error::Depth + 1;
69	my $pe = $$self->{parent_node};
70	while (defined $pe) {
71	my $nt = $pe->node_type;
72	if ($nt == 1 or $nt == 2 or $nt == 6 or $nt == 9 or $nt == 11) {
73	## Element, Attr, Entity, Document, or DocumentFragment
74	return $pe->base_uri;
75	} elsif ($nt == 5) {
76	## EntityReference
77	return $pe->manakai_entity_base_uri if $pe->manakai_external;
78	}
79	$pe = $$pe->{parent_node};
80	}
81	return $pe->base_uri if $pe;
82	return $$self->{owner_document}->base_uri;
83	} # base_uri
84
85	sub node_name ($); # read-only trivial accessor
86
87	sub node_type () { 5 } # ENTITY_REFERENCE_NODE
88
89	## \|EntityReference\| attributes
90
91	sub manakai_entity_base_uri ($;$) {
92	my $self = $_[0];
93	if (@_ > 1) {
94	if (${$$self->{owner_document}}->{strict_error_checking}) {
95	if ($$self->{manakai_read_only}) {
96	report Message::DOM::DOMException
97	-object => $self,
98	-type => 'NO_MODIFICATION_ALLOWED_ERR',
99	-subtype => 'READ_ONLY_NODE_ERR';
100	}
101	}
102	if (defined $_[1]) {
103	$$self->{manakai_entity_base_uri} = ''.$_[1];
104	} else {
105	delete $$self->{manakai_entity_base_uri};
106	}
107	}
108
109	if (defined $$self->{manakai_entity_base_uri}) {
110	return $$self->{manakai_entity_base_uri};
111	} else {
112	local $Error::Depth = $Error::Depth + 1;
113	return $self->base_uri;
114	}
115	} # manakai_entity_base_uri
116
117	sub manakai_expanded ($;$);
118
119	sub manakai_external ($;$);
120
121	package Message::IF::EntityReference;
122
123	package Message::DOM::Document;
124
125	sub create_entity_reference ($$) {
126	our $CreateEntityReference_OpenEntity;
127	## TODO: This is Multithread unsafe
128
129	my $self = $_[0];
130	my $orig_strict = $self->strict_error_checking;
131	if ($orig_strict) {
132	my $xv = $self->xml_version;
133	if (defined $xv) {
134	if ($xv eq '1.0' and
135	$_[1] =~ /\A\p{InXML_NameStartChar10}\p{InXMLNameChar10}*\z/) {
136	#
137	} elsif ($xv eq '1.1' and
138	$_[1] =~ /\A\p{InXMLNameStartChar11}\p{InXMLNameChar11}*\z/) {
139	#
140	} else {
141	report Message::DOM::DOMException
142	-object => $self,
143	-type => 'INVALID_CHARACTER_ERR',
144	-subtype => 'MALFORMED_NAME_ERR';
145	}
146	}
147	}
148
149	my $r = Message::DOM::EntityReference->____new ($self, $_[1]);
150
151	## Expansion
152	unless ($CreateEntityReference_OpenEntity->{$_[1]}) {
153	local $CreateEntityReference_OpenEntity->{$_[1]} = 1;
154	local $Error::Depth = $Error::Depth + 1;
155
156	my $doctype = $self->doctype;
157	unless ($doctype) {
158	$r->manakai_set_read_only (1, 1);
159	return $r;
160	}
161
162	my $ent = $doctype->get_general_entity_node ($_[1]);
163	unless ($ent) {
164	$r->manakai_set_read_only (1, 1);
165	return $r;
166	}
167
168	$self->strict_error_checking (0);
169	for my $c (@{$ent->child_nodes}) {
170	my $clone = $c->clone_node (1);
171	$r->append_child ($clone);
172	}
173	$r->manakai_expanded ($ent->has_replacement_tree);
174	$self->strict_error_checking ($orig_strict);
175	}
176	$r->manakai_set_read_only (1, 1);
177	return $r;
178	} # create_entity_reference
179
180	=head1 LICENSE
181
182	Copyright 2007 Wakaba <w@suika.fam.cx>
183
184	This program is free software; you can redistribute it and/or
185	modify it under the same terms as Perl itself.
186
187	=cut
188
189	1;
190	## $Date: 2007/07/14 09:19:11 $