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Pod::Simple::SimpleTree

Perl 5 version 10.1 documentation
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Pod::Simple::SimpleTree

NAME

Pod::Simple::SimpleTree -- parse Pod into a simple parse tree

SYNOPSIS

  1. % cat ptest.pod
  2. =head1 PIE
  3. I like B<pie>!
  4. % perl -MPod::Simple::SimpleTree -MData::Dumper -e \
  5. "print Dumper(Pod::Simple::SimpleTree->new->parse_file(shift)->root)" \
  6. ptest.pod
  7. $VAR1 = [
  8. 'Document',
  9. { 'start_line' => 1 },
  10. [
  11. 'head1',
  12. { 'start_line' => 1 },
  13. 'PIE'
  14. ],
  15. [
  16. 'Para',
  17. { 'start_line' => 3 },
  18. 'I like ',
  19. [
  20. 'B',
  21. {},
  22. 'pie'
  23. ],
  24. '!'
  25. ]
  26. ];

DESCRIPTION

This class is of interest to people writing a Pod processor/formatter.

This class takes Pod and parses it, returning a parse tree made just of arrayrefs, and hashrefs, and strings.

This is a subclass of Pod::Simple and inherits all its methods.

This class is inspired by XML::Parser's "Tree" parsing-style, although it doesn't use exactly the same LoL format.

METHODS

At the end of the parse, call $parser->root to get the tree's top node.

Tree Contents

Every element node in the parse tree is represented by an arrayref of the form: [ elementname, \%attributes, ...subnodes... ]. See the example tree dump in the Synopsis, above.

Every text node in the tree is represented by a simple (non-ref) string scalar. So you can test ref($node) to see whather you have an element node or just a text node.

The top node in the tree is [ 'Document', \%attributes, ...subnodes... ]

SEE ALSO

Pod::Simple

perllol

The Tree subsubsection in XML::Parser

COPYRIGHT AND DISCLAIMERS

Copyright (c) 2002 Sean M. Burke. All rights reserved.

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

This program is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose.

AUTHOR

Sean M. Burke sburke@cpan.org