Message/DOM/Text.pm

package Message::DOM::Text;
use strict;
our $VERSION=do{my @r=(q$Revision: 1.6 $=~/\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

## |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: 2007/07/08 11:28:45 $
1	wakaba	1.1	package Message::DOM::Text;
2			use strict;
3	wakaba	1.7	our $VERSION=do{my @r=(q$Revision: 1.6 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
4	wakaba	1.1	push our @ISA, 'Message::DOM::CharacterData', 'Message::IF::Text';
5			require Message::DOM::DOMCharacterData; ## TODO: Change to new module name
6
7	wakaba	1.3	## \|Node\| attributes
8	wakaba	1.1
9	wakaba	1.3	sub node_name () { '#text' }
10	wakaba	1.2
11	wakaba	1.7	sub node_type () { 3 } # TEXT_NODE
12	wakaba	1.2
13	wakaba	1.5	## \|Text\| attributes
14
15	wakaba	1.3	sub is_element_content_whitespace ($;$) {
16	wakaba	1.5	if (@_ > 1) {
17			## TODO: Document how setter work
18			if (${$_[0]}->{manakai_read_only}) {
19			report Message::DOM::DOMException
20			-object => $_[0],
21			-type => 'NO_MODIFICATION_ALLOWED_ERR',
22			-subtype => 'READ_ONLY_NODE_ERR';
23			}
24
25			if ($_[1]) {
26			${$_[0]}->{is_element_content_whitespace} = 1;
27			} else {
28			delete ${$_[0]}->{is_element_content_whitespace};
29			}
30			}
31			return ${$_[0]}->{is_element_content_whitespace};
32	wakaba	1.3	} # is_element_content_whitespace
33	wakaba	1.1
34	wakaba	1.5	sub whole_text ($) {
35			require Message::DOM::Traversal;
36			local $Error::Depth = $Error::Depth + 1;
37			my $doc = $_[0]->owner_document;
38			my $tw1 = $doc->create_tree_walker
39			($doc, 0xFFFFFFFF, sub { # SHOW_ALL ENTITY_REFERENCE_NODE
40			($_[1]->node_type == 5) ? 3 : 1; # FILTER_SKIP FILTER_ACCEPT
41			}, 1);
42			$tw1->current_node ($_[0]);
43
44			my $tw2 = $tw1->clone;
45			my $r = $_[0]->node_value;
46
47			S: while (defined (my $node = $tw1->previous_sibling)) {
48			my $nt = $node->node_type;
49			if ($nt == 3 or $nt == 4) { # TEXT_NODE CDATA_SECTION_NODE
50			$r = $node->node_value . $r;
51			} else {
52			last S;
53			}
54			} # S
55
56			S: while (defined (my $node = $tw2->next_sibling)) {
57			my $nt = $node->node_type;
58			if ($nt == 3 or $nt == 4) { # TEXT_NODE CDATA_SECTION_NODE
59			$r .= $node->node_value;
60			} else {
61			last S;
62			}
63			} # S
64
65			return $r;
66
67			## TODO: Skipping \|DocumentType\| is manakai-extension. Document it!
68			} # whole_text
69
70			## \|Text\| methods
71
72			sub split_text ($;$) {
73			my $parent = $_[0]->parent_node;
74			if (${${$_[0]}->{owner_document}}->{strict_error_checking}) {
75			if (${$_[0]}->{manakai_read_only}) {
76			report Message::DOM::DOMException
77			-object => $_[0],
78			-type => 'NO_MODIFICATION_ALLOWED_ERR',
79			-subtype => 'READ_ONLY_NODE_ERR';
80			}
81
82			if (defined $parent and $$parent->{manakai_read_only}) {
83			report Message::DOM::DOMException
84			-object => $_[0],
85			-type => 'NO_MODIFICATION_ALLOWED_ERR',
86			-subtype => 'READ_ONLY_NODE_ERR';
87			}
88			}
89
90			require Message::DOM::StringExtended;
91			local $Error::Depth = $Error::Depth + 1;
92			my $offset32 = Message::DOM::StringExtended::find_offset32
93			(${$_[0]}->{data}, $_[1]);
94			my $data2 = substr ${$_[0]}->{data}, $offset32;
95
96			my $r = $_[0]->node_type == 3 # TEXT_NODE
97			? ${$_[0]}->{owner_document}->create_text_node ($data2)
98			: ${$_[0]}->{owner_document}->create_cdata_section ($data2);
99			$r->is_element_content_whitespace ($_[0]->is_element_content_whitespace);
100			substr (${$_[0]}->{data}, $offset32) = '';
101
102			if (defined $parent) {
103			$parent->insert_before ($r, $_[0]->next_sibling);
104			}
105
106			return $r;
107			} # split_text
108
109	wakaba	1.1	package Message::IF::Text;
110
111			package Message::DOM::Document;
112
113			sub create_text_node ($$) {
114			return Message::DOM::Text->____new ($_[0], $_[1]);
115			} # create_text_node
116
117	wakaba	1.5	=head1 LICENSE
118
119			Copyright 2007 Wakaba <w@suika.fam.cx>
120
121			This program is free software; you can redistribute it and/or
122			modify it under the same terms as Perl itself.
123
124			=cut
125
126	wakaba	1.1	1;
127	wakaba	1.7	## $Date: 2007/07/08 11:28:45 $