# Provided by Axel Eckenberger, Nov 3, 2005
use Test;
BEGIN { plan tests => 4 }
use XML::SAX::ExpatXS;
my $handler = TestH->new();
my $parser = XML::SAX::ExpatXS->new( Handler => $handler);
my $xml =<<_xml_;
<!DOCTYPE html PUBLIC "pub" "virtual.dtd" [
<!ENTITY ext PUBLIC "ext" "external.xml">
]>
<foo>∫&ext;</foo>
_xml_
###################### Test 1 ######################
# Tests the default settings
# Note: _skip|int occurs as dtd is not parsed
$handler->{data} = '';
$parser->set_feature('http://xml.org/sax/features/external-parameter-entities', 0); # = default
$parser->set_feature('http://xml.org/sax/features/external-general-entities' , 1); # = default
$parser->parse_string($xml);
ok($handler->{data}, '_sd_sdtd|html|pub|virtual.dtd_skip|[dtd]_edtd_se_skip|int_sent|ext_eent_char|external_ee');
###################### Test 2 ######################
# Tests turning the parsing of the parameter enties
# on.
$handler->{data} = '';
$parser->set_feature('http://xml.org/sax/features/external-parameter-entities', 1);
$parser->set_feature('http://xml.org/sax/features/external-general-entities' , 1);
$parser->parse_string($xml);
ok($handler->{data}, '_sd_sdtd|html|pub|virtual.dtd_sent|[dtd]_eent_edtd_se_char|value_sent|ext_eent_char|external_ee');
###################### Test 3 ######################
# Tests turning the parsing of external general
# entities off.
$handler->{data} = '';
$parser->set_feature('http://xml.org/sax/features/external-parameter-entities', 1);
$parser->set_feature('http://xml.org/sax/features/external-general-entities' , 0);
$parser->parse_string($xml);
ok($handler->{data}, '_sd_sdtd|html|pub|virtual.dtd_sent|[dtd]_eent_edtd_se_char|value_skip|ext_ee');
###################### Test 3 ######################
# Tests skipping all entities except parameter
# entities, i.e. skips both internal and external
# general entities event when they are declared
# or not.
$handler->{data} = '';
$parser->set_feature('http://xml.org/sax/features/external-parameter-entities', 1);
$parser->set_feature('http://xml.org/sax/features/external-general-entities' , 0);
$parser->parse_string($xml, NoExpand => 1);
ok($handler->{data}, '_sd_sdtd|html|pub|virtual.dtd_sent|[dtd]_eent_edtd_se_skip|int_skip|ext_ee');
print '_sd_sdtd|html|pub|virtual.dtd_sent|[dtd]_eent_edtd_se_skip|int_skip|ext_ee', "\n";
print $handler->{data}, "\n";
package TestH;
#use Devel::Peek;
sub new { bless {data => ''}, shift }
sub start_document {
my ($self, $doc) = @_;
#warn("StartDoc:\n");
$self->{data} .= '_sd';
}
sub start_element {
my ($self, $el) = @_;
#warn("StartEl:\n");
$self->{data} .= '_se';
}
sub end_element {
my ($self, $el) = @_;
#warn("EndEl:\n");
$self->{data} .= '_ee';
}
sub start_dtd {
my ($self, $dtd) = @_;
#warn("startDTD:\n");
$self->{data} .= '_sdtd|' . $dtd->{Name};
$self->{data} .= '|' . $dtd->{PublicId};
$self->{data} .= '|' . $dtd->{SystemId};
}
sub end_dtd {
my ($self, $dtd) = @_;
#warn("endDTD:\n");
$self->{data} .= '_edtd';
}
sub start_entity {
my ($self, $ent) = @_;
#warn("startEnt:$ent->{Name}\n");
$self->{data} .= '_sent|' . $ent->{Name};
}
sub end_entity {
my ($self, $ent) = @_;
#warn("endEnt:\n");
$self->{data} .= '_eent';
}
sub resolve_entity {
my ($self, $ent) = @_;
#warn("resolveEnt:\n");
return {String => '<!ENTITY int "value">'} if ($ent->{PublicId} eq "pub");
return {String => 'external'} if ($ent->{PublicId} eq "ext");
return undef;
}
sub characters {
my ($self, $char) = @_;
#warn("Char:$char->{Data}\n");
$self->{data} .= '_char|' . $char->{Data};
}
sub skipped_entity {
my ($self, $ent) = @_;
#warn("skippedEnt:$ent->{Name}\n");
$self->{data} .= '_skip|' . $ent->{Name};
}