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Graph::Reader::XML(3) User Contributed Perl Documentation Graph::Reader::XML(3)

Graph::Reader::XML - class for reading a Graph instance from XML

  use Graph::Reader::XML;
  use Graph;

  $reader = Graph::Reader::XML->new();
  $graph = $reader->read_graph('mygraph.xml');

Graph::Reader::XML is a perl class used to read a directed graph stored as XML, and return an instance of the Graph class.

The XML format is designed to support the Graph classes: it can be used to represent a single graph with a collection of nodes, and edges between those nodes. The graph, nodes, and edges can all have attributes specified,

Graph::Reader::XML is a subclass of Graph::Reader, which defines the generic interface for Graph reader classes.

Constructor - generate a new reader instance.

  $reader = Graph::Reader::XML->new();

This doesn't take any arguments.

Read a graph from a file:

  $graph = $reader->read_graph( $file );

The $file argument can be either a filename or a filehandle of a previously opened file.

Attribute values must be scalar. If they're not, well, you're on your own.

Graph::Reader
The base class for Graph::Reader::XML.
Graph::Writer::XML
Used to serialise a Graph instance as XML.
Graph
Jarkko Hietaniemi's classes for representing directed graphs.

<https://github.com/neilb/Graph-ReadWrite>

Neil Bowers <neil@bowers.com>

Copyright (c) 2001-2012, Neil Bowers. All rights reserved. Copyright (c) 2001, Canon Research Centre Europe. All rights reserved.

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

2021-03-27 perl v5.32.1

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