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Forest::Tree::Builder(3pm) User Contributed Perl Documentation Forest::Tree::Builder(3pm) NAME
Forest::Tree::Builder - An abstract role for bottom up tree reader SYNOPSIS
package MyBuilder; use Moose; with qw(Forest::Tree::Builder); # implement required builder: sub _build_subtrees { return [ $self->create_new_subtree( ... ), # probably a recursive process ]; } my $builder = MyBuilder->new( tree_class => ..., ... ); my $tree = $builder->tree; DESCRIPTION
Forest::Tree::Builder replaces Forest::Tree::Loader and Forest::Tree::Reader with a bottom up construction approach, which is also suitable for constructing Forest::Tree::Pure derived trees without excessive cloning. It provides a declarative API instead of an imperative one, where "tree" is lazily constructed on the first use, instead of being constructed immediately and "filled in" by the "load" method. METHODS
create_new_subtree Implemented by Forest::Tree::Constructor _build_tree Constructs a root node by using the top level "subtrees" list as the children. _build_subtrees Build the subtrees. Abstract method that should return an array ref of Forest::Tree::Pure derived objects. SEE ALSO
Forest::Tree::Builder::SimpleTextFile BUGS
All complex software has bugs lurking in it, and this module is no exception. If you find a bug please either email me, or add the bug to cpan-RT. AUTHOR
Yuval Kogman COPYRIGHT AND LICENSE
Copyright 2008-2010 Infinity Interactive, Inc. <http://www.iinteractive.com> This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.10.1 2010-09-27 Forest::Tree::Builder(3pm)
