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27 Mar 2021 17:31:55 UTC
- Distribution: Graph-ReadWrite
- Module version: 2.10
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- License: perl_5
- Perl: v5.6.0
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NAME
Graph::Writer::XML - write out directed graph as XML
SYNOPSIS
use Graph; use Graph::Writer::XML; $graph = Graph->new(); # add edges and nodes to the graph $writer = Graph::Writer::XML->new(); $writer->write_graph($graph, 'mygraph.xml');
DESCRIPTION
Graph::Writer::XML is a class for writing out a directed graph in a simple XML format. The graph must be an instance of the Graph class, which is actually a set of classes developed by Jarkko Hietaniemi.
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, where an attribute is a (name,value) pair, with the value being scalar.
METHODS
new()
Constructor - generate a new writer instance.
$writer = Graph::Writer::XML->new();
This doesn't take any arguments.
write_graph()
Write a specific graph to a named file:
$writer->write_graph($graph, $file);
The
$file
argument can either be a filename, or a filehandle for a previously opened file.KNOWN BUGS
Attribute values must be scalar. If they're not, well, you're on your own.
SEE ALSO
- XML::Writer
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The perl module used to actually write out the XML. It handles entities etc.
- Graph
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Jarkko Hietaniemi's modules for representing directed graphs, available from CPAN under modules/by-module/Graph/
- Algorithms in Perl
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The O'Reilly book which has a chapter on directed graphs, which is based around Jarkko's modules.
- Graph::Writer
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The base-class for Graph::Writer::XML
REPOSITORY
https://github.com/neilb/Graph-ReadWrite
AUTHOR
Neil Bowers <neil@bowers.com>
COPYRIGHT
Copyright (c) 2001-2012, Neil Bowers. All rights reserved. Copyright (c) 2001, Canon Research Centre Europe. All rights reserved.
This script is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
Module Install Instructions
To install Graph::ReadWrite, copy and paste the appropriate command in to your terminal.
cpanm Graph::ReadWrite
perl -MCPAN -e shell install Graph::ReadWrite
For more information on module installation, please visit the detailed CPAN module installation guide.