How to parse a XML file using PERL and XML::DOm

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LEARN ABOUT DEBIAN

xml::node

Node(3pm)						User Contributed Perl Documentation						 Node(3pm)

NAME

       XML::Node - Node-based XML parsing: an simplified interface to XML::Parser

SYNOPSIS

	use XML::Node;

	$xml_node = new XML::Node;
	$xml_node->register( $nodetype, $callback_type => &callback_function );
	$xml_node->register( $nodetype, $callback_type => $variable );

	open(FOO, 'xmlgenerator |');
	$p3->parse(*FOO);
	close(FOO);

	$xml_node->parsefile( $xml_filename );

DESCRIPTION

       If you are only interested in processing certain nodes in an XML file, this module can help you simplify your Perl scripts significantly.

       The XML::Node module allows you to register callback functions or variables for any  XML node. If you register a call back function, it
       will be called when the node of the type you specified are encountered. If you register a variable, the content of a XML node will be
       appended to that variable automatically.

       Subroutine register accepts both absolute and relative node registrations.

       Here is an example of absolute path registration:

	1. register(">TestCase>Name", "start" => &handle_TestCase_Name_start);

       Here are examples of single node name registration:

	2. register( "Name", "start" => &handle_Name_start);
	3. register( "Name", "end"   => &handle_Name_end);
	4. register( "Name", "char"  => &handle_Name_char);

       Here is an example of attribute registration:

	5. register(">TestCase:Author", "attr" => $testcase_author);

       Abosolute path trigger condition is recommended because a "Name" tage could appear in different places and stands for differe names.

       Example:

	 1  <Testcase>
	 2     <Name>Something</Name>
	 3     <Oracle>
	 4	   <Name>Something</Name>
	 5     </Oracle>
	 6  </Testcase>

       Statement 1 causes &handle_TestCase_Name_start to be called when parsing Line 2. Statements 2,3,4 cause the three handler subroutines to be
       called when parsing both Line 2 and Line 4.

       This module uses XML::Parser.

EXAMPLE

       Examples "test.pl" and "parse_orders.pl" come with this perl module.

SEE ALSO

       XML::Parser

NOTE

       When you register a variable, XML::Node appends strings found to that variable. So please be sure to clear that variable before it is used
       again.

AUTHORS

       Chang Liu <liu@ics.uci.edu>

LAST MODIFIED

       $Date: 2001/12/10 11:38:28 $

perl v5.10.0							    2001-12-11								 Node(3pm)

Shell Programming and Scripting