Message/DOM/Text.pm

package Message::DOM::Text;
use strict;
our $VERSION=do{my @r=(q$Revision: 1.4 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
push our @ISA, 'Message::DOM::CharacterData', 'Message::IF::Text';
require Message::DOM::DOMCharacterData; ## TODO: Change to new module name

sub AUTOLOAD {
  my $method_name = our $AUTOLOAD;
  $method_name =~ s/.*:://;
  return if $method_name eq 'DESTROY';

  if ({
    ## Read-only attributes (trivial accessors)
  }->{$method_name}) {
    no strict 'refs';
    eval qq{
      sub $method_name (\$) {
        if (\@_ > 1) {
          require Carp;
          Carp::croak (qq<Can't modify read-only attribute>);
        }
        return \${\$_[0]}->{$method_name}; 
      }
    };
    goto &{ $AUTOLOAD };
  } elsif ({
    ## Read-write attributes (DOMString, trivial accessors)
  }->{$method_name}) {
    no strict 'refs';
    eval qq{
      sub $method_name (\$) {
        if (\@_ > 1) {
          \${\$_[0]}->{$method_name} = ''.$_[1];
        }
        return \${\$_[0]}->{$method_name}; 
      }
    };
    goto &{ $AUTOLOAD };
  } else {
    require Carp;
    Carp::croak (qq<Can't locate method "$AUTOLOAD">);
  }
} # AUTOLOAD

## |Node| attributes

sub node_name () { '#text' }

sub node_type { 3 } # TEXT_NODE

## |Text| attributes

sub is_element_content_whitespace ($;$) {
  if (@_ > 1) {
    ## TODO: Document how setter work
    if (${$_[0]}->{manakai_read_only}) {
      report Message::DOM::DOMException
          -object => $_[0],
          -type => 'NO_MODIFICATION_ALLOWED_ERR',
          -subtype => 'READ_ONLY_NODE_ERR';
    }

    if ($_[1]) {
      ${$_[0]}->{is_element_content_whitespace} = 1;
    } else {
      delete ${$_[0]}->{is_element_content_whitespace};
    }
  }
  return ${$_[0]}->{is_element_content_whitespace};
} # is_element_content_whitespace

sub whole_text ($) {
  require Message::DOM::Traversal;
  local $Error::Depth = $Error::Depth + 1;
  my $doc = $_[0]->owner_document;
  my $tw1 = $doc->create_tree_walker
      ($doc, 0xFFFFFFFF, sub { # SHOW_ALL ENTITY_REFERENCE_NODE
        ($_[1]->node_type == 5) ? 3 : 1; # FILTER_SKIP FILTER_ACCEPT
      }, 1);
  $tw1->current_node ($_[0]);
  
  my $tw2 = $tw1->clone;
  my $r = $_[0]->node_value;

  S: while (defined (my $node = $tw1->previous_sibling)) {
    my $nt = $node->node_type;
    if ($nt == 3 or $nt == 4) { # TEXT_NODE CDATA_SECTION_NODE
      $r = $node->node_value . $r;
    } else {
      last S;
    }
  } # S

  S: while (defined (my $node = $tw2->next_sibling)) {
    my $nt = $node->node_type;
    if ($nt == 3 or $nt == 4) { # TEXT_NODE CDATA_SECTION_NODE
      $r .= $node->node_value;
    } else {
      last S;
    }
  } # S

  return $r;

  ## TODO: Skipping |DocumentType| is manakai-extension.  Document it!
} # whole_text

## |Text| methods

sub split_text ($;$) {
  my $parent = $_[0]->parent_node;
  if (${${$_[0]}->{owner_document}}->{strict_error_checking}) {
    if (${$_[0]}->{manakai_read_only}) {
      report Message::DOM::DOMException
          -object => $_[0],
          -type => 'NO_MODIFICATION_ALLOWED_ERR',
          -subtype => 'READ_ONLY_NODE_ERR';
    }

    if (defined $parent and $$parent->{manakai_read_only}) {
      report Message::DOM::DOMException
          -object => $_[0],
          -type => 'NO_MODIFICATION_ALLOWED_ERR',
          -subtype => 'READ_ONLY_NODE_ERR';
    }
  }

  require Message::DOM::StringExtended;
  local $Error::Depth = $Error::Depth + 1;
  my $offset32 = Message::DOM::StringExtended::find_offset32
      (${$_[0]}->{data}, $_[1]);
  my $data2 = substr ${$_[0]}->{data}, $offset32;

  my $r = $_[0]->node_type == 3 # TEXT_NODE
      ? ${$_[0]}->{owner_document}->create_text_node ($data2)
      : ${$_[0]}->{owner_document}->create_cdata_section ($data2);
  $r->is_element_content_whitespace ($_[0]->is_element_content_whitespace);
  substr (${$_[0]}->{data}, $offset32) = '';

  if (defined $parent) {
    $parent->insert_before ($r, $_[0]->next_sibling);
  }

  return $r;
} # split_text

package Message::IF::Text;

package Message::DOM::Document;

sub create_text_node ($$) {
  return Message::DOM::Text->____new ($_[0], $_[1]);
} # create_text_node

=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: 2007/07/07 11:11:34 $
1	package Message::DOM::Text;
2	use strict;
3	our $VERSION=do{my @r=(q$Revision: 1.4 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
4	push our @ISA, 'Message::DOM::CharacterData', 'Message::IF::Text';
5	require Message::DOM::DOMCharacterData; ## TODO: Change to new module name
6
7	sub AUTOLOAD {
8	my $method_name = our $AUTOLOAD;
9	$method_name =~ s/.*:://;
10	return if $method_name eq 'DESTROY';
11
12	if ({
13	## Read-only attributes (trivial accessors)
14	}->{$method_name}) {
15	no strict 'refs';
16	eval qq{
17	sub $method_name (\$) {
18	if (\@_ > 1) {
19	require Carp;
20	Carp::croak (qq<Can't modify read-only attribute>);
21	}
22	return \${\$_[0]}->{$method_name};
23	}
24	};
25	goto &{ $AUTOLOAD };
26	} elsif ({
27	## Read-write attributes (DOMString, trivial accessors)
28	}->{$method_name}) {
29	no strict 'refs';
30	eval qq{
31	sub $method_name (\$) {
32	if (\@_ > 1) {
33	\${\$_[0]}->{$method_name} = ''.$_[1];
34	}
35	return \${\$_[0]}->{$method_name};
36	}
37	};
38	goto &{ $AUTOLOAD };
39	} else {
40	require Carp;
41	Carp::croak (qq<Can't locate method "$AUTOLOAD">);
42	}
43	} # AUTOLOAD
44
45	## \|Node\| attributes
46
47	sub node_name () { '#text' }
48
49	sub node_type { 3 } # TEXT_NODE
50
51	## \|Text\| attributes
52
53	sub is_element_content_whitespace ($;$) {
54	if (@_ > 1) {
55	## TODO: Document how setter work
56	if (${$_[0]}->{manakai_read_only}) {
57	report Message::DOM::DOMException
58	-object => $_[0],
59	-type => 'NO_MODIFICATION_ALLOWED_ERR',
60	-subtype => 'READ_ONLY_NODE_ERR';
61	}
62
63	if ($_[1]) {
64	${$_[0]}->{is_element_content_whitespace} = 1;
65	} else {
66	delete ${$_[0]}->{is_element_content_whitespace};
67	}
68	}
69	return ${$_[0]}->{is_element_content_whitespace};
70	} # is_element_content_whitespace
71
72	sub whole_text ($) {
73	require Message::DOM::Traversal;
74	local $Error::Depth = $Error::Depth + 1;
75	my $doc = $_[0]->owner_document;
76	my $tw1 = $doc->create_tree_walker
77	($doc, 0xFFFFFFFF, sub { # SHOW_ALL ENTITY_REFERENCE_NODE
78	($_[1]->node_type == 5) ? 3 : 1; # FILTER_SKIP FILTER_ACCEPT
79	}, 1);
80	$tw1->current_node ($_[0]);
81
82	my $tw2 = $tw1->clone;
83	my $r = $_[0]->node_value;
84
85	S: while (defined (my $node = $tw1->previous_sibling)) {
86	my $nt = $node->node_type;
87	if ($nt == 3 or $nt == 4) { # TEXT_NODE CDATA_SECTION_NODE
88	$r = $node->node_value . $r;
89	} else {
90	last S;
91	}
92	} # S
93
94	S: while (defined (my $node = $tw2->next_sibling)) {
95	my $nt = $node->node_type;
96	if ($nt == 3 or $nt == 4) { # TEXT_NODE CDATA_SECTION_NODE
97	$r .= $node->node_value;
98	} else {
99	last S;
100	}
101	} # S
102
103	return $r;
104
105	## TODO: Skipping \|DocumentType\| is manakai-extension. Document it!
106	} # whole_text
107
108	## \|Text\| methods
109
110	sub split_text ($;$) {
111	my $parent = $_[0]->parent_node;
112	if (${${$_[0]}->{owner_document}}->{strict_error_checking}) {
113	if (${$_[0]}->{manakai_read_only}) {
114	report Message::DOM::DOMException
115	-object => $_[0],
116	-type => 'NO_MODIFICATION_ALLOWED_ERR',
117	-subtype => 'READ_ONLY_NODE_ERR';
118	}
119
120	if (defined $parent and $$parent->{manakai_read_only}) {
121	report Message::DOM::DOMException
122	-object => $_[0],
123	-type => 'NO_MODIFICATION_ALLOWED_ERR',
124	-subtype => 'READ_ONLY_NODE_ERR';
125	}
126	}
127
128	require Message::DOM::StringExtended;
129	local $Error::Depth = $Error::Depth + 1;
130	my $offset32 = Message::DOM::StringExtended::find_offset32
131	(${$_[0]}->{data}, $_[1]);
132	my $data2 = substr ${$_[0]}->{data}, $offset32;
133
134	my $r = $_[0]->node_type == 3 # TEXT_NODE
135	? ${$_[0]}->{owner_document}->create_text_node ($data2)
136	: ${$_[0]}->{owner_document}->create_cdata_section ($data2);
137	$r->is_element_content_whitespace ($_[0]->is_element_content_whitespace);
138	substr (${$_[0]}->{data}, $offset32) = '';
139
140	if (defined $parent) {
141	$parent->insert_before ($r, $_[0]->next_sibling);
142	}
143
144	return $r;
145	} # split_text
146
147	package Message::IF::Text;
148
149	package Message::DOM::Document;
150
151	sub create_text_node ($$) {
152	return Message::DOM::Text->____new ($_[0], $_[1]);
153	} # create_text_node
154
155	=head1 LICENSE
156
157	Copyright 2007 Wakaba <w@suika.fam.cx>
158
159	This program is free software; you can redistribute it and/or
160	modify it under the same terms as Perl itself.
161
162	=cut
163
164	1;
165	## $Date: 2007/07/07 11:11:34 $