+ # Set flag in sub nodes
+ for ($mnode->getElementsByTagName('Message'))
+ {
+ $_->setAttribute('invisible', $invisible);
+ }
+
+ return save_file($fname, \$xml->toString);
+}
+
+### modify_posting () ##########################################################
+#
+# Modify a posting (only subject and category until now!)
+#
+# Params: $forum Path and filename of forum
+# $tpath Path to thread files
+# \%info Reference: 'thread', 'posting', 'indexFile', 'data'
+# (\%hashref: 'subject', 'category', 'body')
+# Return: -none-
+#
+sub modify_posting($$$)
+{
+ my ($forum, $tpath, $info) = @_;
+ my ($tid, $mid, $indexFile, $data) = ('t' . $info->{'thread'},
+ 'm' . $info->{'posting'},
+ $info->{'indexFile'},
+ $info->{'data'});
+ my ($subject, $category, $body) = ($data->{'subject'}, $data->{'category'}, $data->{'body'});
+
+ my %msgdata;
+
+ # These values may be changed by change_posting_value()
+ $subject && $msgdata{'Subject'} = $subject;
+ $category && $msgdata{'Category'} = $category;
+
+ #
+ my $tfile = $tpath . '/' . $tid . '.xml';
+ change_posting_value($tfile, $tid, $mid, \$msgdata);
+ change_posting_value($forum, $tid, $mid, \$msgdata);
+}
+
+### change_posting_value () ####################################################
+#
+# Change specific values of a posting
+#
+# Params: $fname Filename
+# $tid Thread ID
+# $mid Message ID
+# \%values New values
+# Return: Status code
+#
+sub change_posting_value($$$$)
+{
+ my ($fname, $tid, $mid, $values) = @_;
+
+ my $parser = new XML::DOM::Parser;
+ my $xml = $parser->parsefile($fname);
+
+ my $mnode = get_message_node($xml, $tid, $mid);
+
+ for (keys %$values)
+ {
+ # Find first direct child node with name $_
+ my $nodes = $mnode->getElementsByTagName($_, 0);
+ my $node = $nodes->item(0);
+ $node->setValue($values->{$_});
+ }
+
+ return save_file($fname, \$xml->toString);