Message/DOM/Attr.pm

package Message::DOM::Attr;
use strict;
our $VERSION=do{my @r=(q$Revision: 1.8 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
push our @ISA, 'Message::DOM::Node', 'Message::IF::Attr';
require Message::DOM::Node;

sub ____new ($$$$$$) {
  my $self = shift->SUPER::____new (shift);
  ($$self->{owner_element},
   $$self->{namespace_uri},
   $$self->{prefix},
   $$self->{local_name}) = @_;
  Scalar::Util::weaken ($$self->{owner_element});
  $$self->{child_nodes} = [];
  $$self->{specified} = 1;
  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)
    namespace_uri => 1,
    owner_element => 1,
  }->{$method_name}) {
    no strict 'refs';
    eval qq{
      sub $method_name (\$) {
        return \${\$_[0]}->{$method_name}; 
      }
    };
    goto &{ $AUTOLOAD };
  } else {
    require Carp;
    Carp::croak (qq<Can't locate method "$AUTOLOAD">);
  }
} # AUTOLOAD
sub owner_element ($);

## |Node| attributes

sub base_uri ($) {
  my $self = $_[0];
  local $Error::Depth = $Error::Depth + 1;
  my $oe = $self->owner_element;
  if ($oe) {
    my $ln = $self->local_name;
    my $nsuri = $self->namespace_uri;
    if (($ln eq 'base' and
         defined $nsuri and $nsuri eq 'http://www.w3.org/XML/1998/namespace') or
        ($ln eq 'xml:base' and not defined $nsuri)) {
      my $oep = $oe->parent_node;
      if ($oep) {
        return $oep->base_uri;
      } else {
        return $self->owner_document->base_uri;
      }
    } else {
      return $oe->base_uri;
    }
  } else {
    return $self->owner_document->base_uri;
  }
} # base_uri

sub local_name ($) {
  ## TODO: HTML5
  return ${+shift}->{local_name};
} # local_name

sub manakai_local_name ($) {
  return ${$_[0]}->{local_name};
} # manakai_local_name

sub namespace_uri ($);

*node_name = \&name;

sub node_type () { 2 } # ATTRIBUTE_NODE

*node_value = \&Message::DOM::Node::text_content;

sub prefix ($;$) {
  ## NOTE: No check for new value as Firefox doesn't do.
  ## See <http://suika.fam.cx/gate/2005/sw/prefix>.

  ## NOTE: Same as trivial setter except "" -> undef

  ## NOTE: Same as |Element|'s |prefix|.
  
  if (@_ > 1) {
    if (${${$_[0]}->{owner_document}}->{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 (defined $_[1] and $_[1] ne '') {
      ${$_[0]}->{prefix} = ''.$_[1];
    } else {
      delete ${$_[0]}->{prefix};
    }
  }
  return ${$_[0]}->{prefix}; 
} # prefix

## |Node| methods

sub append_child ($$) {
  my $self = $_[0];
  
  ## NOTE: Depends on $self->node_type:
  my $self_od = $$self->{owner_document};

  ## -- Node Type check
  my @new_child;
  my $new_child_parent;
  if ($_[1]->node_type == 11) { # DOCUMENT_FRAGMENT_NODE
    push @new_child, @{$_[1]->child_nodes};
    $new_child_parent = $_[1];
  } else {
    @new_child = ($_[1]);
    $new_child_parent = $_[1]->parent_node;
  }

  ## NOTE: Depends on $self->node_type:
  if ($$self_od->{strict_error_checking}) {
    my $child_od = $_[1]->owner_document || $_[1]; # might be DocumentType
    if ($self_od ne $child_od and $child_od->node_type != 10) {
      report Message::DOM::DOMException # DOCUMENT_TYPE_NODE
          -object => $self,
          -type => 'WRONG_DOCUMENT_ERR',
          -subtype => 'EXTERNAL_OBJECT_ERR';
    }

    if ($$self->{manakai_read_only} or
        (@new_child and defined $new_child_parent and
         $$new_child_parent->{manakai_read_only})) {
      report Message::DOM::DOMException
          -object => $self,
          -type => 'NO_MODIFICATION_ALLOWED_ERR',
          -subtype => 'READ_ONLY_NODE_ERR';
    }

    ## NOTE: |Document| has children order check here.

    for my $cn (@new_child) {
      unless ({
               3, 1, 5, 1, # TEXT_NODE, ENTITY_REFERENCE_NODE
              }->{$cn->node_type}) {
        report Message::DOM::DOMException
            -object => $self,
            -type => 'HIERARCHY_REQUEST_ERR',
            -subtype => 'CHILD_NODE_TYPE_ERR';
      }
    }

    ## NOTE: Ancestor check here in |Node|.
  }

  ## NOTE: "Insert at" code only in insert_before and replace_child

  ## -- Removes from parent
  if ($new_child_parent) {
    if (@new_child == 1) {
      my $v = $$new_child_parent->{child_nodes};
      RP: for my $i (0..$#$v) {
        if ($v->[$i] eq $new_child[0]) {
          splice @$v, $i, 1, ();
          last RP;
        }
      } # RP
    } else {
      @{$$new_child_parent->{child_nodes}} = ();
    }
  }

  ## -- Rewrite the |parentNode| properties
  for my $nc (@new_child) {
    $$nc->{parent_node} = $self;
    Scalar::Util::weaken ($$nc->{parent_node});
  }

  ## NOTE: Depends on method:
  push @{$$self->{child_nodes}}, @new_child;

  ## NOTE: Setting |owner_document| in |Document|.

  return $_[1];
} # apepnd_child

sub insert_before ($$) {
  my $self = $_[0];

  ## NOTE: Depends on $self->node_type:
  my $self_od = $$self->{owner_document};

  ## -- Node Type check
  my @new_child;
  my $new_child_parent;
  if ($_[1]->node_type == 11) { # DOCUMENT_FRAGMENT_NODE
    push @new_child, @{$_[1]->child_nodes};
    $new_child_parent = $_[1];
  } else {
    @new_child = ($_[1]);
    $new_child_parent = $_[1]->parent_node;
  }

  ## NOTE: Depends on $self->node_type:
  if ($$self_od->{strict_error_checking}) {
    my $child_od = $_[1]->owner_document || $_[1]; # might be DocumentType
    if ($self_od ne $child_od and $child_od->node_type != 10) {
      report Message::DOM::DOMException # DOCUMENT_TYPE_NODE
          -object => $self,
          -type => 'WRONG_DOCUMENT_ERR',
          -subtype => 'EXTERNAL_OBJECT_ERR';
    }

    if ($$self->{manakai_read_only} or
        (@new_child and defined $new_child_parent and
         $$new_child_parent->{manakai_read_only})) {
      report Message::DOM::DOMException
          -object => $self,
          -type => 'NO_MODIFICATION_ALLOWED_ERR',
          -subtype => 'READ_ONLY_NODE_ERR';
    }

    ## NOTE: |Document| has children order check here.

    for my $cn (@new_child) {
      unless ({
               3, 1, 5, 1, # TEXT_NODE, ENTITY_REFERENCE_NODE
              }->{$cn->node_type}) {
        report Message::DOM::DOMException
            -object => $self,
            -type => 'HIERARCHY_REQUEST_ERR',
            -subtype => 'CHILD_NODE_TYPE_ERR';
      }
    }

    ## NOTE: Ancestor check here in |Node|.
  }
  
  ## -- Insert at... ## NOTE: Only in insert_before and replace_child
  my $index = -1; # last
  if (defined $_[2]) {
    ## error if $_[1] eq $_[2];
    
    my $cns = $self->child_nodes;
    my $cnsl = @$cns;
    C: {
      $index = 0;
      for my $i (0..($cnsl-1)) {
        my $cn = $cns->[$i];
        if ($cn eq $_[2]) {
          $index += $i;
          last C;
        } elsif ($cn eq $_[1]) {
          $index = -1; # offset
        }
      }
      
      report Message::DOM::DOMException
          -object => $self,
          -type => 'NOT_FOUND_ERR',
          -subtype => 'NOT_CHILD_ERR';
    } # C
  }
  ## NOTE: "else" only in replace_child

  ## -- Removes from parent
  if ($new_child_parent) {
    if (@new_child == 1) {
      my $v = $$new_child_parent->{child_nodes};
      RP: for my $i (0..$#$v) {
        if ($v->[$i] eq $new_child[0]) {
          splice @$v, $i, 1, ();
          last RP;
        }
      } # RP
    } else {
      @{$$new_child_parent->{child_nodes}} = ();
    }
  }

  ## -- Rewrite the |parentNode| properties
  for my $nc (@new_child) {
    $$nc->{parent_node} = $self;
    Scalar::Util::weaken ($$nc->{parent_node});
  }

  ## NOTE: Depends on method:
  if ($index == -1) {
    push @{$$self->{child_nodes}}, @new_child;
  } else {
    splice @{$$self->{child_nodes}}, $index, 0, @new_child;
  }

  ## NOTE: Setting |owner_document| in |Document|.

  return $_[1];
} # insert_before

sub replace_child ($$) {
  my $self = $_[0];

  ## NOTE: Depends on $self->node_type:
  my $self_od = $$self->{owner_document};

  ## -- Node Type check
  my @new_child;
  my $new_child_parent;
  if ($_[1]->node_type == 11) { # DOCUMENT_FRAGMENT_NODE
    push @new_child, @{$_[1]->child_nodes};
    $new_child_parent = $_[1];
  } else {
    @new_child = ($_[1]);
    $new_child_parent = $_[1]->parent_node;
  }

  ## NOTE: Depends on $self->node_type:
  if ($$self_od->{strict_error_checking}) {
    my $child_od = $_[1]->owner_document || $_[1]; # might be DocumentType
    if ($self_od ne $child_od and $child_od->node_type != 10) {
      report Message::DOM::DOMException # DOCUMENT_TYPE_NODE
          -object => $self,
          -type => 'WRONG_DOCUMENT_ERR',
          -subtype => 'EXTERNAL_OBJECT_ERR';
    }

    if ($$self->{manakai_read_only} or
        (@new_child and defined $new_child_parent and
         $$new_child_parent->{manakai_read_only})) {
      report Message::DOM::DOMException
          -object => $self,
          -type => 'NO_MODIFICATION_ALLOWED_ERR',
          -subtype => 'READ_ONLY_NODE_ERR';
    }

    ## NOTE: |Document| has children order check here.

    for my $cn (@new_child) {
      unless ({
               3, 1, 5, 1, # TEXT_NODE, ENTITY_REFERENCE_NODE
              }->{$cn->node_type}) {
        report Message::DOM::DOMException
            -object => $self,
            -type => 'HIERARCHY_REQUEST_ERR',
            -subtype => 'CHILD_NODE_TYPE_ERR';
      }
    }

    ## NOTE: Ancestor check here in |Node|.
  }
  
  ## -- Insert at... ## NOTE: Only in insertBefore and replaceChild
  my $index = -1; # last
  if (defined $_[2]) {
    ## error if $_[1] eq $_[2];
    
    my $cns = $self->child_nodes;
    my $cnsl = @$cns;
    C: {
      $index = 0;
      for my $i (0..($cnsl-1)) {
        my $cn = $cns->[$i];
        if ($cn eq $_[2]) {
          $index += $i;
          last C;
        } elsif ($cn eq $_[1]) {
          $index = -1; # offset
        }
      }
      
      report Message::DOM::DOMException
          -object => $self,
          -type => 'NOT_FOUND_ERR',
          -subtype => 'NOT_CHILD_ERR';
    } # C
  } else {
    ## NOTE: Only in replaceChild
    report Message::DOM::DOMException
        -object => $self,
        -type => 'NOT_FOUND_ERR',
        -subtype => 'NOT_CHILD_ERR';
  }

  ## -- Removes from parent
  if ($new_child_parent) {
    if (@new_child == 1) {
      my $v = $$new_child_parent->{child_nodes};
      RP: for my $i (0..$#$v) {
        if ($v->[$i] eq $new_child[0]) {
          splice @$v, $i, 1, ();
          last RP;
        }
      } # RP
    } else {
      @{$$new_child_parent->{child_nodes}} = ();
    }
  }

  ## -- Rewrite the |parentNode| properties
  for my $nc (@new_child) {
    $$nc->{parent_node} = $self;
    Scalar::Util::weaken ($$nc->{parent_node});
  }

  ## NOTE: Depends on method:
  splice @{$$self->{child_nodes}}, $index, 1, @new_child;
  delete ${$_[2]}->{parent_node};

  ## NOTE: Setting |owner_document| in |Document|.

  return $_[2];
} # replace_child

## |Attr| attributes

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

## TODO: HTML5 case stuff?
sub name ($) {
  my $self = shift;
  if (defined $$self->{prefix}) {
    return $$self->{prefix} . ':' . $$self->{local_name};
  } else {
    return $$self->{local_name};
  }
} # name

sub specified ($;$) {
  if (@_ > 1) {
    ## NOTE: A manakai extension.
    if (${${$_[0]}->{owner_document}}->{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] or not defined ${$_[0]}->{owner_element}) {
      ${$_[0]}->{specified} = 1;
    } else {
      delete ${$_[0]}->{specified};
    }
  }
  return ${$_[0]}->{specified}; 
} # specified

*value = \&node_value;

package Message::IF::Attr;

package Message::DOM::Document;

sub create_attribute ($$) {
  if (${$_[0]}->{strict_error_checking}) {
    my $xv = $_[0]->xml_version;
    ## TODO: HTML Document ??
    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 => $_[0],
            -type => 'INVALID_CHARACTER_ERR',
            -subtype => 'MALFORMED_NAME_ERR';
      }
    }
  }
  ## TODO: HTML5
  return Message::DOM::Attr->____new ($_[0], undef, undef, undef, $_[1]);
} # create_attribute

sub create_attribute_ns ($$$) {
  my ($prefix, $lname);
  if (ref $_[2] eq 'ARRAY') {
    ($prefix, $lname) = @{$_[2]};
  } else {
    ($prefix, $lname) = split /:/, $_[2], 2;
    ($prefix, $lname) = (undef, $prefix) unless defined $lname;
  }

  if (${$_[0]}->{strict_error_checking}) {
    my $xv = $_[0]->xml_version;
    ## TODO: HTML Document ?? (NOT_SUPPORTED_ERR is different from what Web browsers do)
    if (defined $xv) {
      if ($xv eq '1.0') {
        if (ref $_[2] eq 'ARRAY' or
            $_[2] =~ /\A\p{InXML_NameStartChar10}\p{InXMLNameChar10}*\z/) {
          if (defined $prefix) {
            if ($prefix =~ /\A\p{InXML_NCNameStartChar10}\p{InXMLNCNameChar10}*\z/) {
              #
            } else {
              report Message::DOM::DOMException
                  -object => $_[0],
                  -type => 'NAMESPACE_ERR',
                  -subtype => 'MALFORMED_QNAME_ERR';
            }
          }
          if ($lname =~ /\A\p{InXML_NCNameStartChar10}\p{InXMLNCNameChar10}*\z/) {
            #
          } else {
            report Message::DOM::DOMException
                -object => $_[0],
                -type => 'NAMESPACE_ERR',
                -subtype => 'MALFORMED_QNAME_ERR';
          }
        } else {
          report Message::DOM::DOMException
              -object => $_[0],
              -type => 'INVALID_CHARACTER_ERR',
              -subtype => 'MALFORMED_NAME_ERR';
        }
      } elsif ($xv eq '1.1') {
        if (ref $_[2] eq 'ARRAY' or
            $_[2] =~ /\A\p{InXML_NameStartChar10}\p{InXMLNameChar10}*\z/) {
          if (defined $prefix) {
            if ($prefix =~ /\A\p{InXMLNCNameStartChar11}\p{InXMLNCNameChar11}*\z/) {
              #
            } else {
              report Message::DOM::DOMException
                  -object => $_[0],
                  -type => 'NAMESPACE_ERR',
                  -subtype => 'MALFORMED_QNAME_ERR';
            }
          }
          if ($lname =~ /\A\p{InXMLNCNameStartChar11}\p{InXMLNCNameChar11}*\z/) {
            #
          } else {
            report Message::DOM::DOMException
                -object => $_[0],
                -type => 'NAMESPACE_ERR',
                -subtype => 'MALFORMED_QNAME_ERR';
          }
        } else {
          report Message::DOM::DOMException
              -object => $_[0],
              -type => 'INVALID_CHARACTER_ERR',
              -subtype => 'MALFORMED_NAME_ERR';
        }
      } else {
        die "create_attribute_ns: XML version |$xv| is not supported";
      }
    }

    if (defined $prefix) {
      if (not defined $_[1]) {
        report Message::DOM::DOMException
            -object => $_[0],
            -type => 'NAMESPACE_ERR',
            -subtype => 'PREFIXED_NULLNS_ERR';
      } elsif ($prefix eq 'xml' and 
               $_[1] ne q<http://www.w3.org/XML/1998/namespace>) {
        report Message::DOM::DOMException
            -object => $_[0],
            -type => 'NAMESPACE_ERR',
            -subtype => 'XMLPREFIX_NONXMLNS_ERR';
      } elsif ($prefix eq 'xmlns' and
               $_[1] ne q<http://www.w3.org/2000/xmlns/>) {
        report Message::DOM::DOMException
            -object => $_[0],
            -type => 'NAMESPACE_ERR',
            -subtype => 'XMLNSPREFIX_NONXMLNSNS_ERR';
      } elsif ($_[1] eq q<http://www.w3.org/2000/xmlns/> and
               $prefix ne 'xmlns') {
        report Message::DOM::DOMException
            -object => $_[0],
            -type => 'NAMESPACE_ERR',
            -subtype => 'NONXMLNSPREFIX_XMLNSNS_ERR';
      }
    } else { # no prefix
      if ($lname eq 'xmlns' and
          (not defined $_[1] or $_[1] ne q<http://www.w3.org/2000/xmlns/>)) {
        report Message::DOM::DOMException
            -object => $_[0],
            -type => 'NAMESPACE_ERR',
            -subtype => 'XMLNS_NONXMLNSNS_ERR';
      } elsif (not defined $_[1]) {
        #
      } elsif ($_[1] eq q<http://www.w3.org/2000/xmlns/> and
               $lname ne 'xmlns') {
        report Message::DOM::DOMException
            -object => $_[0],
            -type => 'NAMESPACE_ERR',
            -subtype => 'NONXMLNSPREFIX_XMLNSNS_ERR';
      }
    }
  }

  ## TODO: Older version of manakai set |attribute_type|
  ## attribute for |xml:id| attribute.  Should we support this?

  return Message::DOM::Attr->____new ($_[0], undef, $_[1], $prefix, $lname);
} # create_attribute_ns

=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: 2007/07/08 05:42:36 $
1	wakaba	1.1	package Message::DOM::Attr;
2			use strict;
3	wakaba	1.9	our $VERSION=do{my @r=(q$Revision: 1.8 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
4	wakaba	1.1	push our @ISA, 'Message::DOM::Node', 'Message::IF::Attr';
5			require Message::DOM::Node;
6
7			sub ____new ($$$$$$) {
8			my $self = shift->SUPER::____new (shift);
9			($$self->{owner_element},
10			$$self->{namespace_uri},
11			$$self->{prefix},
12			$$self->{local_name}) = @_;
13			Scalar::Util::weaken ($$self->{owner_element});
14	wakaba	1.4	$$self->{child_nodes} = [];
15	wakaba	1.6	$$self->{specified} = 1;
16	wakaba	1.1	return $self;
17			} # ____new
18
19			sub AUTOLOAD {
20			my $method_name = our $AUTOLOAD;
21			$method_name =~ s/.*:://;
22			return if $method_name eq 'DESTROY';
23
24			if ({
25			## Read-only attributes (trivial accessors)
26	wakaba	1.3	namespace_uri => 1,
27	wakaba	1.1	owner_element => 1,
28			}->{$method_name}) {
29			no strict 'refs';
30			eval qq{
31			sub $method_name (\$) {
32			return \${\$_[0]}->{$method_name};
33			}
34			};
35			goto &{ $AUTOLOAD };
36			} else {
37			require Carp;
38			Carp::croak (qq<Can't locate method "$AUTOLOAD">);
39			}
40			} # AUTOLOAD
41			sub owner_element ($);
42
43	wakaba	1.6	## \|Node\| attributes
44
45			sub base_uri ($) {
46			my $self = $_[0];
47			local $Error::Depth = $Error::Depth + 1;
48			my $oe = $self->owner_element;
49			if ($oe) {
50			my $ln = $self->local_name;
51			my $nsuri = $self->namespace_uri;
52			if (($ln eq 'base' and
53			defined $nsuri and $nsuri eq 'http://www.w3.org/XML/1998/namespace') or
54			($ln eq 'xml:base' and not defined $nsuri)) {
55			my $oep = $oe->parent_node;
56			if ($oep) {
57			return $oep->base_uri;
58			} else {
59			return $self->owner_document->base_uri;
60			}
61			} else {
62			return $oe->base_uri;
63			}
64			} else {
65			return $self->owner_document->base_uri;
66			}
67			} # base_uri
68	wakaba	1.1
69	wakaba	1.3	sub local_name ($) {
70			## TODO: HTML5
71			return ${+shift}->{local_name};
72			} # local_name
73
74			sub manakai_local_name ($) {
75	wakaba	1.6	return ${$_[0]}->{local_name};
76	wakaba	1.3	} # manakai_local_name
77
78			sub namespace_uri ($);
79	wakaba	1.2
80			*node_name = \&name;
81
82			sub node_type () { 2 } # ATTRIBUTE_NODE
83
84	wakaba	1.9	*node_value = \&Message::DOM::Node::text_content;
85	wakaba	1.1
86	wakaba	1.3	sub prefix ($;$) {
87	wakaba	1.5	## NOTE: No check for new value as Firefox doesn't do.
88			## See <http://suika.fam.cx/gate/2005/sw/prefix>.
89
90			## NOTE: Same as trivial setter except "" -> undef
91
92			## NOTE: Same as \|Element\|'s \|prefix\|.
93
94			if (@_ > 1) {
95	wakaba	1.6	if (${${$_[0]}->{owner_document}}->{strict_error_checking} and
96			${$_[0]}->{manakai_read_only}) {
97	wakaba	1.5	report Message::DOM::DOMException
98			-object => $_[0],
99			-type => 'NO_MODIFICATION_ALLOWED_ERR',
100			-subtype => 'READ_ONLY_NODE_ERR';
101			}
102			if (defined $_[1] and $_[1] ne '') {
103			${$_[0]}->{prefix} = ''.$_[1];
104			} else {
105			delete ${$_[0]}->{prefix};
106			}
107			}
108			return ${$_[0]}->{prefix};
109	wakaba	1.3	} # prefix
110
111	wakaba	1.8	## \|Node\| methods
112
113			sub append_child ($$) {
114			my $self = $_[0];
115
116			## NOTE: Depends on $self->node_type:
117			my $self_od = $$self->{owner_document};
118
119			## -- Node Type check
120			my @new_child;
121			my $new_child_parent;
122			if ($_[1]->node_type == 11) { # DOCUMENT_FRAGMENT_NODE
123			push @new_child, @{$_[1]->child_nodes};
124			$new_child_parent = $_[1];
125			} else {
126			@new_child = ($_[1]);
127			$new_child_parent = $_[1]->parent_node;
128			}
129
130			## NOTE: Depends on $self->node_type:
131			if ($$self_od->{strict_error_checking}) {
132			my $child_od = $_[1]->owner_document \|\| $_[1]; # might be DocumentType
133			if ($self_od ne $child_od and $child_od->node_type != 10) {
134			report Message::DOM::DOMException # DOCUMENT_TYPE_NODE
135			-object => $self,
136			-type => 'WRONG_DOCUMENT_ERR',
137			-subtype => 'EXTERNAL_OBJECT_ERR';
138			}
139
140			if ($$self->{manakai_read_only} or
141			(@new_child and defined $new_child_parent and
142			$$new_child_parent->{manakai_read_only})) {
143			report Message::DOM::DOMException
144			-object => $self,
145			-type => 'NO_MODIFICATION_ALLOWED_ERR',
146			-subtype => 'READ_ONLY_NODE_ERR';
147			}
148
149			## NOTE: \|Document\| has children order check here.
150
151			for my $cn (@new_child) {
152			unless ({
153			3, 1, 5, 1, # TEXT_NODE, ENTITY_REFERENCE_NODE
154			}->{$cn->node_type}) {
155			report Message::DOM::DOMException
156			-object => $self,
157			-type => 'HIERARCHY_REQUEST_ERR',
158			-subtype => 'CHILD_NODE_TYPE_ERR';
159			}
160			}
161
162			## NOTE: Ancestor check here in \|Node\|.
163			}
164
165			## NOTE: "Insert at" code only in insert_before and replace_child
166
167			## -- Removes from parent
168			if ($new_child_parent) {
169			if (@new_child == 1) {
170			my $v = $$new_child_parent->{child_nodes};
171			RP: for my $i (0..$#$v) {
172			if ($v->[$i] eq $new_child[0]) {
173			splice @$v, $i, 1, ();
174			last RP;
175			}
176			} # RP
177			} else {
178			@{$$new_child_parent->{child_nodes}} = ();
179			}
180			}
181
182			## -- Rewrite the \|parentNode\| properties
183			for my $nc (@new_child) {
184			$$nc->{parent_node} = $self;
185			Scalar::Util::weaken ($$nc->{parent_node});
186			}
187
188			## NOTE: Depends on method:
189			push @{$$self->{child_nodes}}, @new_child;
190
191			## NOTE: Setting \|owner_document\| in \|Document\|.
192
193			return $_[1];
194			} # apepnd_child
195
196			sub insert_before ($$) {
197			my $self = $_[0];
198
199			## NOTE: Depends on $self->node_type:
200			my $self_od = $$self->{owner_document};
201
202			## -- Node Type check
203			my @new_child;
204			my $new_child_parent;
205			if ($_[1]->node_type == 11) { # DOCUMENT_FRAGMENT_NODE
206			push @new_child, @{$_[1]->child_nodes};
207			$new_child_parent = $_[1];
208			} else {
209			@new_child = ($_[1]);
210			$new_child_parent = $_[1]->parent_node;
211			}
212
213			## NOTE: Depends on $self->node_type:
214			if ($$self_od->{strict_error_checking}) {
215			my $child_od = $_[1]->owner_document \|\| $_[1]; # might be DocumentType
216			if ($self_od ne $child_od and $child_od->node_type != 10) {
217			report Message::DOM::DOMException # DOCUMENT_TYPE_NODE
218			-object => $self,
219			-type => 'WRONG_DOCUMENT_ERR',
220			-subtype => 'EXTERNAL_OBJECT_ERR';
221			}
222
223			if ($$self->{manakai_read_only} or
224			(@new_child and defined $new_child_parent and
225			$$new_child_parent->{manakai_read_only})) {
226			report Message::DOM::DOMException
227			-object => $self,
228			-type => 'NO_MODIFICATION_ALLOWED_ERR',
229			-subtype => 'READ_ONLY_NODE_ERR';
230			}
231
232			## NOTE: \|Document\| has children order check here.
233
234			for my $cn (@new_child) {
235			unless ({
236			3, 1, 5, 1, # TEXT_NODE, ENTITY_REFERENCE_NODE
237			}->{$cn->node_type}) {
238			report Message::DOM::DOMException
239			-object => $self,
240			-type => 'HIERARCHY_REQUEST_ERR',
241			-subtype => 'CHILD_NODE_TYPE_ERR';
242			}
243			}
244
245			## NOTE: Ancestor check here in \|Node\|.
246			}
247
248			## -- Insert at... ## NOTE: Only in insert_before and replace_child
249			my $index = -1; # last
250			if (defined $_[2]) {
251			## error if $_[1] eq $_[2];
252
253			my $cns = $self->child_nodes;
254			my $cnsl = @$cns;
255			C: {
256			$index = 0;
257			for my $i (0..($cnsl-1)) {
258			my $cn = $cns->[$i];
259			if ($cn eq $_[2]) {
260			$index += $i;
261			last C;
262			} elsif ($cn eq $_[1]) {
263			$index = -1; # offset
264			}
265			}
266
267			report Message::DOM::DOMException
268			-object => $self,
269			-type => 'NOT_FOUND_ERR',
270			-subtype => 'NOT_CHILD_ERR';
271			} # C
272			}
273			## NOTE: "else" only in replace_child
274
275			## -- Removes from parent
276			if ($new_child_parent) {
277			if (@new_child == 1) {
278			my $v = $$new_child_parent->{child_nodes};
279			RP: for my $i (0..$#$v) {
280			if ($v->[$i] eq $new_child[0]) {
281			splice @$v, $i, 1, ();
282			last RP;
283			}
284			} # RP
285			} else {
286			@{$$new_child_parent->{child_nodes}} = ();
287			}
288			}
289
290			## -- Rewrite the \|parentNode\| properties
291			for my $nc (@new_child) {
292			$$nc->{parent_node} = $self;
293			Scalar::Util::weaken ($$nc->{parent_node});
294			}
295
296			## NOTE: Depends on method:
297			if ($index == -1) {
298			push @{$$self->{child_nodes}}, @new_child;
299			} else {
300			splice @{$$self->{child_nodes}}, $index, 0, @new_child;
301			}
302
303			## NOTE: Setting \|owner_document\| in \|Document\|.
304
305			return $_[1];
306			} # insert_before
307
308			sub replace_child ($$) {
309			my $self = $_[0];
310
311			## NOTE: Depends on $self->node_type:
312			my $self_od = $$self->{owner_document};
313
314			## -- Node Type check
315			my @new_child;
316			my $new_child_parent;
317			if ($_[1]->node_type == 11) { # DOCUMENT_FRAGMENT_NODE
318			push @new_child, @{$_[1]->child_nodes};
319			$new_child_parent = $_[1];
320			} else {
321			@new_child = ($_[1]);
322			$new_child_parent = $_[1]->parent_node;
323			}
324
325			## NOTE: Depends on $self->node_type:
326			if ($$self_od->{strict_error_checking}) {
327			my $child_od = $_[1]->owner_document \|\| $_[1]; # might be DocumentType
328			if ($self_od ne $child_od and $child_od->node_type != 10) {
329			report Message::DOM::DOMException # DOCUMENT_TYPE_NODE
330			-object => $self,
331			-type => 'WRONG_DOCUMENT_ERR',
332			-subtype => 'EXTERNAL_OBJECT_ERR';
333			}
334
335			if ($$self->{manakai_read_only} or
336			(@new_child and defined $new_child_parent and
337			$$new_child_parent->{manakai_read_only})) {
338			report Message::DOM::DOMException
339			-object => $self,
340			-type => 'NO_MODIFICATION_ALLOWED_ERR',
341			-subtype => 'READ_ONLY_NODE_ERR';
342			}
343
344			## NOTE: \|Document\| has children order check here.
345
346			for my $cn (@new_child) {
347			unless ({
348			3, 1, 5, 1, # TEXT_NODE, ENTITY_REFERENCE_NODE
349			}->{$cn->node_type}) {
350			report Message::DOM::DOMException
351			-object => $self,
352			-type => 'HIERARCHY_REQUEST_ERR',
353			-subtype => 'CHILD_NODE_TYPE_ERR';
354			}
355			}
356
357			## NOTE: Ancestor check here in \|Node\|.
358			}
359
360			## -- Insert at... ## NOTE: Only in insertBefore and replaceChild
361			my $index = -1; # last
362			if (defined $_[2]) {
363			## error if $_[1] eq $_[2];
364
365			my $cns = $self->child_nodes;
366			my $cnsl = @$cns;
367			C: {
368			$index = 0;
369			for my $i (0..($cnsl-1)) {
370			my $cn = $cns->[$i];
371			if ($cn eq $_[2]) {
372			$index += $i;
373			last C;
374			} elsif ($cn eq $_[1]) {
375			$index = -1; # offset
376			}
377			}
378
379			report Message::DOM::DOMException
380			-object => $self,
381			-type => 'NOT_FOUND_ERR',
382			-subtype => 'NOT_CHILD_ERR';
383			} # C
384			} else {
385			## NOTE: Only in replaceChild
386			report Message::DOM::DOMException
387			-object => $self,
388			-type => 'NOT_FOUND_ERR',
389			-subtype => 'NOT_CHILD_ERR';
390			}
391
392			## -- Removes from parent
393			if ($new_child_parent) {
394			if (@new_child == 1) {
395			my $v = $$new_child_parent->{child_nodes};
396			RP: for my $i (0..$#$v) {
397			if ($v->[$i] eq $new_child[0]) {
398			splice @$v, $i, 1, ();
399			last RP;
400			}
401			} # RP
402			} else {
403			@{$$new_child_parent->{child_nodes}} = ();
404			}
405			}
406
407			## -- Rewrite the \|parentNode\| properties
408			for my $nc (@new_child) {
409			$$nc->{parent_node} = $self;
410			Scalar::Util::weaken ($$nc->{parent_node});
411			}
412
413			## NOTE: Depends on method:
414			splice @{$$self->{child_nodes}}, $index, 1, @new_child;
415			delete ${$_[2]}->{parent_node};
416
417			## NOTE: Setting \|owner_document\| in \|Document\|.
418
419			return $_[2];
420			} # replace_child
421
422	wakaba	1.6	## \|Attr\| attributes
423
424			sub manakai_attribute_type ($;$) {
425			my $self = $_[0];
426			if (@_ > 1) {
427			if (${$$self->{owner_document}}->{strict_error_checking}) {
428			if ($$self->{manakai_read_only}) {
429			report Message::DOM::DOMException
430			-object => $self,
431			-type => 'NO_MODIFICATION_ALLOWED_ERR',
432			-subtype => 'READ_ONLY_NODE_ERR';
433			}
434			}
435			if ($_[1]) {
436			$$self->{manakai_attribute_type} = 0+$_[1];
437			} else {
438			delete $$self->{manakai_attribute_type};
439			}
440			}
441
442			return $$self->{manakai_attribute_type} \|\| 0;
443			} # manakai_attribute_type
444	wakaba	1.1
445			## TODO: HTML5 case stuff?
446			sub name ($) {
447			my $self = shift;
448			if (defined $$self->{prefix}) {
449			return $$self->{prefix} . ':' . $$self->{local_name};
450			} else {
451			return $$self->{local_name};
452			}
453			} # name
454
455	wakaba	1.6	sub specified ($;$) {
456	wakaba	1.1	if (@_ > 1) {
457	wakaba	1.6	## NOTE: A manakai extension.
458			if (${${$_[0]}->{owner_document}}->{strict_error_checking} and
459			${$_[0]}->{manakai_read_only}) {
460			report Message::DOM::DOMException
461			-object => $_[0],
462			-type => 'NO_MODIFICATION_ALLOWED_ERR',
463			-subtype => 'READ_ONLY_NODE_ERR';
464			}
465			if ($_[1] or not defined ${$_[0]}->{owner_element}) {
466			${$_[0]}->{specified} = 1;
467			} else {
468			delete ${$_[0]}->{specified};
469			}
470	wakaba	1.1	}
471	wakaba	1.6	return ${$_[0]}->{specified};
472			} # specified
473
474	wakaba	1.9	*value = \&node_value;
475	wakaba	1.1
476			package Message::IF::Attr;
477
478			package Message::DOM::Document;
479
480			sub create_attribute ($$) {
481	wakaba	1.7	if (${$_[0]}->{strict_error_checking}) {
482			my $xv = $_[0]->xml_version;
483			## TODO: HTML Document ??
484			if (defined $xv) {
485			if ($xv eq '1.0' and
486			$_[1] =~ /\A\p{InXML_NameStartChar10}\p{InXMLNameChar10}*\z/) {
487			#
488			} elsif ($xv eq '1.1' and
489			$_[1] =~ /\A\p{InXMLNameStartChar11}\p{InXMLNameChar11}*\z/) {
490			#
491			} else {
492			report Message::DOM::DOMException
493			-object => $_[0],
494			-type => 'INVALID_CHARACTER_ERR',
495			-subtype => 'MALFORMED_NAME_ERR';
496			}
497			}
498			}
499	wakaba	1.1	## TODO: HTML5
500			return Message::DOM::Attr->____new ($_[0], undef, undef, undef, $_[1]);
501			} # create_attribute
502
503			sub create_attribute_ns ($$$) {
504			my ($prefix, $lname);
505			if (ref $_[2] eq 'ARRAY') {
506			($prefix, $lname) = @{$_[2]};
507			} else {
508			($prefix, $lname) = split /:/, $_[2], 2;
509			($prefix, $lname) = (undef, $prefix) unless defined $lname;
510			}
511	wakaba	1.7
512			if (${$_[0]}->{strict_error_checking}) {
513			my $xv = $_[0]->xml_version;
514			## TODO: HTML Document ?? (NOT_SUPPORTED_ERR is different from what Web browsers do)
515			if (defined $xv) {
516			if ($xv eq '1.0') {
517			if (ref $_[2] eq 'ARRAY' or
518			$_[2] =~ /\A\p{InXML_NameStartChar10}\p{InXMLNameChar10}*\z/) {
519			if (defined $prefix) {
520			if ($prefix =~ /\A\p{InXML_NCNameStartChar10}\p{InXMLNCNameChar10}*\z/) {
521			#
522			} else {
523			report Message::DOM::DOMException
524			-object => $_[0],
525			-type => 'NAMESPACE_ERR',
526			-subtype => 'MALFORMED_QNAME_ERR';
527			}
528			}
529			if ($lname =~ /\A\p{InXML_NCNameStartChar10}\p{InXMLNCNameChar10}*\z/) {
530			#
531			} else {
532			report Message::DOM::DOMException
533			-object => $_[0],
534			-type => 'NAMESPACE_ERR',
535			-subtype => 'MALFORMED_QNAME_ERR';
536			}
537			} else {
538			report Message::DOM::DOMException
539			-object => $_[0],
540			-type => 'INVALID_CHARACTER_ERR',
541			-subtype => 'MALFORMED_NAME_ERR';
542			}
543			} elsif ($xv eq '1.1') {
544			if (ref $_[2] eq 'ARRAY' or
545			$_[2] =~ /\A\p{InXML_NameStartChar10}\p{InXMLNameChar10}*\z/) {
546			if (defined $prefix) {
547			if ($prefix =~ /\A\p{InXMLNCNameStartChar11}\p{InXMLNCNameChar11}*\z/) {
548			#
549			} else {
550			report Message::DOM::DOMException
551			-object => $_[0],
552			-type => 'NAMESPACE_ERR',
553			-subtype => 'MALFORMED_QNAME_ERR';
554			}
555			}
556			if ($lname =~ /\A\p{InXMLNCNameStartChar11}\p{InXMLNCNameChar11}*\z/) {
557			#
558			} else {
559			report Message::DOM::DOMException
560			-object => $_[0],
561			-type => 'NAMESPACE_ERR',
562			-subtype => 'MALFORMED_QNAME_ERR';
563			}
564			} else {
565			report Message::DOM::DOMException
566			-object => $_[0],
567			-type => 'INVALID_CHARACTER_ERR',
568			-subtype => 'MALFORMED_NAME_ERR';
569			}
570			} else {
571			die "create_attribute_ns: XML version \|$xv\| is not supported";
572			}
573			}
574
575			if (defined $prefix) {
576			if (not defined $_[1]) {
577			report Message::DOM::DOMException
578			-object => $_[0],
579			-type => 'NAMESPACE_ERR',
580			-subtype => 'PREFIXED_NULLNS_ERR';
581			} elsif ($prefix eq 'xml' and
582			$_[1] ne q<http://www.w3.org/XML/1998/namespace>) {
583			report Message::DOM::DOMException
584			-object => $_[0],
585			-type => 'NAMESPACE_ERR',
586			-subtype => 'XMLPREFIX_NONXMLNS_ERR';
587			} elsif ($prefix eq 'xmlns' and
588			$_[1] ne q<http://www.w3.org/2000/xmlns/>) {
589			report Message::DOM::DOMException
590			-object => $_[0],
591			-type => 'NAMESPACE_ERR',
592			-subtype => 'XMLNSPREFIX_NONXMLNSNS_ERR';
593			} elsif ($_[1] eq q<http://www.w3.org/2000/xmlns/> and
594			$prefix ne 'xmlns') {
595			report Message::DOM::DOMException
596			-object => $_[0],
597			-type => 'NAMESPACE_ERR',
598			-subtype => 'NONXMLNSPREFIX_XMLNSNS_ERR';
599			}
600			} else { # no prefix
601			if ($lname eq 'xmlns' and
602			(not defined $_[1] or $_[1] ne q<http://www.w3.org/2000/xmlns/>)) {
603			report Message::DOM::DOMException
604			-object => $_[0],
605			-type => 'NAMESPACE_ERR',
606			-subtype => 'XMLNS_NONXMLNSNS_ERR';
607			} elsif (not defined $_[1]) {
608			#
609			} elsif ($_[1] eq q<http://www.w3.org/2000/xmlns/> and
610			$lname ne 'xmlns') {
611			report Message::DOM::DOMException
612			-object => $_[0],
613			-type => 'NAMESPACE_ERR',
614			-subtype => 'NONXMLNSPREFIX_XMLNSNS_ERR';
615			}
616			}
617			}
618
619			## TODO: Older version of manakai set \|attribute_type\|
620			## attribute for \|xml:id\| attribute. Should we support this?
621
622	wakaba	1.1	return Message::DOM::Attr->____new ($_[0], undef, $_[1], $prefix, $lname);
623	wakaba	1.7	} # create_attribute_ns
624
625			=head1 LICENSE
626
627			Copyright 2007 Wakaba <w@suika.fam.cx>
628
629			This program is free software; you can redistribute it and/or
630			modify it under the same terms as Perl itself.
631
632			=cut
633	wakaba	1.1
634			1;
635	wakaba	1.9	## $Date: 2007/07/08 05:42:36 $