Parse-Gnaw

This is a parser designed in pure perl without resorting to 
regular expressions. Rules are made up of array references.
Subroutines are provided to help generate properly formatted
rules.  

This is generation 2 of Parse::Gnaw, starting from revision 0.600.
Previous revisions had grammar calls return code references to 
dynamically generated subroutines (closures). Gen 2 grammar calls
return references to dynamically generated arrays. 

The main improvement there is that since it isn't a subroutine call,
a recursive rule doesn't automatically blow up. Gen1 Parse::Gnaw
would go into an infinite loop if a rule was recursive.

Another minor advantage is that arrays are more friendly to 
Data::Dumper.

Another major upgrade is that Parse::Gnaw version 2 is intended
to support parsing multi-dimensional text, rather than simple
one-dimensional strings. The string format is merely a linked
list, so the text can be any shape, size, or interconnectivity
you want.

Related to multi-dimensional text parsing is the ability to
parse multi-dimensional text in either linear or non-linear
mode. For example, the following two dimension text block:

a b c
d e f
h i j

If you use straight line parsing, it will match the pattern:

	'a', 'b', 'c'

If you enable non-linear parsing, it will also match the pattern:

	'b', 'c', 'f', 'j', 'i'

Non linear parsing in text with many interconnections/dimensions
becomes extremely computational intensive very quickly.


INSTALLATION

To install this module, run the following commands:

	perl Makefile.PL
	make
	make test
	make install

SUPPORT AND DOCUMENTATION

After installing, you can find documentation for this module with the
perldoc command.

    perldoc Parse::Gnaw

You can also look for information at:

    RT, CPAN's request tracker (report bugs here)
        http://rt.cpan.org/NoAuth/Bugs.html?Dist=Parse-Gnaw

    AnnoCPAN, Annotated CPAN documentation
        http://annocpan.org/dist/Parse-Gnaw

    CPAN Ratings
        http://cpanratings.perl.org/d/Parse-Gnaw

    Search CPAN
        http://search.cpan.org/dist/Parse-Gnaw/


LICENSE AND COPYRIGHT

Copyright (C) 2013 Greg London

This program is free software; you can redistribute it and/or modify it
under the terms of the the Artistic License (2.0). You may obtain a
copy of the full license at:

L<http://www.perlfoundation.org/artistic_license_2_0>

Any use, modification, and distribution of the Standard or Modified
Versions is governed by this Artistic License. By using, modifying or
distributing the Package, you accept this license. Do not use, modify,
or distribute the Package, if you do not accept this license.

If your Modified Version has been derived from a Modified Version made
by someone other than you, you are nevertheless required to ensure that
your Modified Version complies with the requirements of this license.

This license does not grant you the right to use any trademark, service
mark, tradename, or logo of the Copyright Holder.

This license includes the non-exclusive, worldwide, free-of-charge
patent license to make, have made, use, offer to sell, sell, import and
otherwise transfer the Package with respect to any patent claims
licensable by the Copyright Holder that are necessarily infringed by the
Package. If you institute patent litigation (including a cross-claim or
counterclaim) against any party alleging that the Package constitutes
direct or contributory patent infringement, then this Artistic License
to you shall terminate on the date that such litigation is filed.

Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER
AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
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