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XML::LibXML::RelaxNG(3) User Contributed Perl Documentation XML::LibXML::RelaxNG(3)

XML::LibXML::RelaxNG - RelaxNG Schema Validation

  use XML::LibXML;
  $doc = XML::LibXML->new->parse_file($url);
  $rngschema = XML::LibXML::RelaxNG->new( location => $filename_or_url );
  $rngschema = XML::LibXML::RelaxNG->new( string => $xmlschemastring );
  $rngschema = XML::LibXML::RelaxNG->new( DOM => $doc );
  eval { $rngschema->validate( $doc ); };

The XML::LibXML::RelaxNG class is a tiny frontend to libxml2's RelaxNG implementation. Currently it supports only schema parsing and document validation.

  $rngschema = XML::LibXML::RelaxNG->new( location => $filename_or_url );
  $rngschema = XML::LibXML::RelaxNG->new( string => $xmlschemastring );
  $rngschema = XML::LibXML::RelaxNG->new( DOM => $doc );
The constructor of XML::LibXML::RelaxNG may get called with either one of three parameters. The parameter tells the class from which source it should generate a validation schema. 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 URL.
The string parameter will parse the schema from the given XML string.
The DOM parameter allows one to parse the schema from a pre-parsed XML::LibXML::Document.
Note that the constructor will die() if the schema does not meed the constraints of the RelaxNG specification.
  eval { $rngschema->validate( $doc ); };
This function allows one to validate a (parsed) document against the given RelaxNG schema. The argument of this function should be an 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.

Matt Sergeant, Christian Glahn, Petr Pajas


2001-2007, Ltd.
2002-2006, Christian Glahn.
2006-2009, Petr Pajas.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
2017-10-28 perl v5.28.1

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