1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
use Test;
BEGIN { plan tests => 3 }
use XML::SAX::Base;
use strict;
use vars qw/%events $meth_count $one_count $two_count/;
require "./t/events.pl";
# Tests for in-stream switch of Handler classes.
my $driver = Driver->new();
my $handler = HandlerOne->new(Parent => $driver);
$driver->set_document_handler($handler);
$driver->parse();
ok($one_count == 3);
ok($two_count == 3);
ok($meth_count == 6);
# end main
package HandlerOne;
use base qw(XML::SAX::Base);
sub start_element {
my ($self, $element) = @_;
$main::meth_count++;
$main::one_count++;
if ($main::meth_count == 3) {
$self->{Parent}->set_content_handler(HandlerTwo->new(Parent => $self->{Parent}));
}
}
1;
package HandlerTwo;
use base qw(XML::SAX::Base);
sub start_element {
my ($self, $element) = @_;
$main::meth_count++;
$main::two_count++;
}
1;
package Driver;
use base qw(XML::SAX::Base);
sub parse {
my $self = shift;
my %events = %main::events;
$self->SUPER::start_element($events{start_element});
$self->SUPER::start_element($events{start_element});
$self->SUPER::start_element($events{start_element});
$self->SUPER::start_element($events{start_element});
$self->SUPER::start_element($events{start_element});
$self->SUPER::start_element($events{start_element});
}
1;
|
