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=head1 NAME

XML::LibXML::Schema - XML Schema Validation

=head1 SYNOPSIS



  use XML::LibXML;
  $doc = XML::LibXML->new->parse_file($url);

  $xmlschema = XML::LibXML::Schema->new( location =>
$filename_or_url, no_network => 1 );
  $xmlschema = XML::LibXML::Schema->new( string => $xmlschemastring,
no_network => 1 );
  eval { $xmlschema->validate( $doc ); };

=head1 DESCRIPTION

The XML::LibXML::Schema class is a tiny frontend to libxml2's XML
Schema
implementation. Currently it supports only schema parsing and document
validation. As of 2.6.32, libxml2 only supports decimal types up to 24
digits
(the standard requires at least 18).


=head1 METHODS

=over 4

=item new

  $xmlschema = XML::LibXML::Schema->new( location =>
$filename_or_url, no_network => 1 );
  $xmlschema = XML::LibXML::Schema->new( string => $xmlschemastring,
no_network => 1 );

The constructor of XML::LibXML::Schema needs to be called with list of
parameters. At least location or string parameter is required to specify
source
of schema. Optional parameter no_network set to 1 cause that parser would
not
access network and optional parameter recover set 1 cause that parser would
not
call die() on errors.

It is important, that each schema only have a single source.

The location parameter allows one to parse a schema from the filesystem or
a
(non-HTTPS) URL.

The string parameter will parse the schema from the given XML string.

Note that the constructor will die() if the schema does not meed the
constraints of the XML Schema specification.


=item validate

  eval { $xmlschema->validate( $doc ); };

This function allows one to validate a (parsed) document against the given
XML
Schema. The argument of this function should be a L<<<<<<
XML::LibXML::Document >>>>>> object. If this function
succeeds, it will return 0, otherwise it will die()
and report the errors found. Because of this validate() should be always
evaluated.



=back

=head1 AUTHORS

Matt Sergeant,
Christian Glahn,
Petr Pajas


=head1 VERSION

2.0210

=head1 COPYRIGHT

2001-2007, AxKit.com Ltd.

2002-2006, Christian Glahn.

2006-2009, Petr Pajas.

=cut


=head1 LICENSE

This program is free software; you can redistribute it and/or modify it
under
the same terms as Perl itself.