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#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the XML::Sablotron module.
#
# The Initial Developer of the Original Code is Ginger Alliance Ltd.
# Portions created by Ginger Alliance are
# Copyright (C) 1999-2000 Ginger Alliance Ltd.
# All Rights Reserved.
#
# Contributor(s): Nicolas Trebst, science+computing ag
# n.trebst@science-computing.de
#
# Alternatively, the contents of this file may be used under the
# terms of the GNU General Public License Version 2 or later (the
# "GPL"), in which case the provisions of the GPL are applicable
# instead of those above. If you wish to allow use of your
# version of this file only under the terms of the GPL and not to
# allow others to use your version of this file under the MPL,
# indicate your decision by deleting the provisions above and
# replace them with the notice and other provisions required by
# the GPL. If you do not delete the provisions above, a recipient
# may use your version of this file under either the MPL or the
# GPL.
#
############################################################
# inner object (holds circular reference)
############################################################
package XML::Sablotron::Processor;
use strict;
use Carp;
use vars qw( @ISA $_unique );
require Exporter;
require DynaLoader;
use XML::Sablotron;
@ISA = qw( Exporter DynaLoader );
$_unique = 0;
sub new {
my $class = shift;
my $sit = shift;
$class = (ref $class) || $class;
my $self = {};
bless $self, $class;
if ( defined $sit ) {
$self->{_sit} = $sit; # to keep the situation alive
$self->{_handle} = $self->_createProcessorForSituation( $sit );
} else {
$self->{_handle} = $self->_createProcessor();
}
$self->{_handlers} = []; #confusing names, aren't? :-)
return $self;
}
my $pkg_template = <<'eof';
sub new {
my $cn = shift;
bless {}, $cn;
}
eof
sub RegHandler {
my ($self, $type, $ref) = @_;
my $wrapper;
if ((ref $ref eq "HASH")) {
$_unique++;
my $classname = "sablot_handler_$_unique";
eval ("package $classname;\n" . $pkg_template);
no strict;
foreach (keys %$ref) {
*{"${classname}::$_"} = $$ref{$_};
}
use strict;
$wrapper = eval "new $classname()";
} else {
$wrapper = $ref;
}
warn "Trying to register the same handler twice\n"
if grep {${$_}[0] == $type and ${$_}[1] == $wrapper}
@{$self->{_handlers}};
#the trick with @foo is very important for a correct reference counting
my @foo = ($type, $wrapper);
push @{$self->{_handlers}}, \@foo;;
my $ret = $self->_regHandler(@foo);
return $ret;
}
sub UnregHandler {
my ($self, $type, $wrapper) = @_;
for (my $i = 0; $i <= $#{$self->{_handlers}}; $i++) {
my $he = ${$self->{_handlers}}[$i];
if ($$he[0] == $type and $$he[1] = $wrapper) {
$self->_unregHandler($$he[0], $$he[1]);
splice @{$self->{_handlers}}, $i, 1;
last;
}
}
}
sub _releaseHandlers {
my $self = shift;
my $he; #handler entry
foreach $he (@{$self->{_handlers}}) {
$self->_unregHandler($$he[0], $$he[1]);
}
@{$self->{_handlers}} = ();
}
sub SetContentType {
my ($self, $value) = @_;
return $self->{_contentType} = $value;
}
sub GetContentType {
my ($self, $value) = @_;
return $self->{_contentType};
}
sub SetEncoding {
my ($self, $value) = @_;
return $self->{_encoding} = $value;
}
sub GetEncoding {
my ($self, $value) = @_;
return $self->{_encoding};
}
DESTROY {
my $self = shift;
$self->_releaseHandlers();
$self->_destroyProcessor();
};
1;
__END__
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