4 # SAX version of XML::Template. Advantages over DOM: Doesn't have to load
5 # the entire thing into memory, and you can chain filters. Disadvantages:
6 # Slightly kludgier interface.
8 # Differences from the DOM version:
10 # - There is no process(). Instead, it works as a SAX filter, so you put it
11 # in the stream, usually between a parser and a writer (ie.
12 # parser -> XML::TemplateSAX::Handler -> writer). process_file works as
13 # before, but it returns a _string_, not a DOM tree.
14 # - You can no longer insert a DOM tree. Instead, what you have is -- FIXME:
22 use XML::TemplateSAX::Buffer;
23 use XML::TemplateSAX::Cleaner;
24 use XML::TemplateSAX::Handler;
26 package XML::TemplateSAX;
29 my ($filename, $obj, $clean) = @_;
30 $clean = 1 unless (defined($clean));
32 my ($writer, $cleaner, $filter, $parser);
35 # FIXME: hardcoding expat = not good?
36 $writer = XML::SAX::Writer->new(Output => \$str);
39 $cleaner = XML::TemplateSAX::Cleaner->new(Handler => $writer, Content => $obj);
40 $filter = XML::TemplateSAX::Handler->new(Handler => $cleaner, Content => $obj);
42 $filter = XML::TemplateSAX::Handler->new(Handler => $writer, Content => $obj);
45 $parser = XML::SAX::Expat->new(Handler => $filter);
46 $parser->parse_file($filename);