Re: More with XML Parser

What handlers are you using w/ XML::Parser? Or are you using one of the Styles? Ie. Tree style?

If you're using a handler, you can get the data in "name" in your StartTag handler. The attributes are arguments to the handler, like this:

my $data = <<STOP;
<outside>
  <inside name="Wibble">some data</inside>
</outside>
STOP

my $parser = new XML::Parser(Handlers => {
    Start => \&start_tag
});

$parser->parse($data);

sub start_tag {
    my $expat = shift;
    my $element = shift;
    my %attrs = @_;

    print $attrs{name};
}
[download]

If you're using the Tree style, I'm not sure exactly where you can find the value of name... try using Data::Dumper to print out the tree and see where it shows up.

use Data::Dumper;
my $tree = $parser->parse($data);
print Dumper $tree;
[download]

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RE: Re: More with XML Parser by chromatic (Archbishop) on Apr 19, 2000 at 20:37 UTC
With the Tree style, each element node is an array. The first member is the name of that element, the second is a reference to an array (the content of that element). The first item of that array is a hash reference which contains any attributes (or nothing, if there are none). The data structure looks something like this: `[ "outside", [ "inside", [ { "name" => "Wibble"}, 0, "some data"] ] ]` [download] Yuck.	[reply] [d/l]
RE: Re: More with XML Parser by btrott (Parson) on Apr 19, 2000 at 20:53 UTC
Yeah, the Tree style is kind of icky, I think. :) To the OP: if your XML file is pretty simple, you should try using XML::Simple. It loads your data into a nice hash-of-hashes tree. `use XML::Simple; my $xml = XMLin("foo.xml"); use Data::Dumper; print Dumper $xml;` [download] For your particular example, I got these results: `$VAR1 = { 'inside' => { 'name' => 'Wibble', 'content' => 'some data' } };` [download] So you could get the contents of name like this: `my $name = $xml->{'inside'}{'name'};` [download]	[reply] [d/l] [select]