XML::Parser and white spaces

Anonymous Monk has asked for the wisdom of the Perl Monks concerning the following question:

Hi,

I am using XML::Parser with tree style. however

<tag1>
              <tag2 attr1 = "attrval" attr2 = "attrval">
              </tag2>
        </tag1>
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causes entries with "0" followed by "\n" because endtags are in the next line, along with other regular entries. like "tag" and \@array or "0" "text" or \%hash. Is there any way (option to XML::Parser) to avoid entries with "0" "\n"?

Thanks

Saumil

Edited by mirod:added tags

Comment on XML::Parser and white spaces Download Code

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Re: XML::Parser and white spaces by mirod (Canon) on Aug 01, 2002 at 23:43 UTC
There is no way with XML::Parser. Most XML modules will include whitespace in the data they create, as there is no way for the parser to know whether it's significant or not (whitespace in `pre` tags is significant in XHTML for example). You can deal with this by using XPath to navigate the XML structure (with XML::XPath or XML::libXML), some "Perlish" modules, like XML::Simple or XML::Twig will also remove the whitespaces.	[reply]
Re: XML::Parser and white spaces by Anonymous Monk on Aug 02, 2002 at 06:43 UTC
`#!/usr/bin/perl -w use strict; use XML::Parser; use Hook::LexWrap; wrap XML::Parser::Tree::Char, pre => sub { # pre-empt Tree's Char handler unless # string is nonblank $_[-1] = 1 unless ($_[1] =~ /\S/); }; my $xml = $ARGV[0] \|\| die "usage: mytree.pl file.xml"; my $parser = XML::Parser->new(Style => 'Tree'); my $tree = $parser->parsefile($xml);` [download] chocolateboy	[reply] [d/l]