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.\" ========================================================================
.\"
.IX Title "Config::Model::TreeSearcher 3pm"
.TH Config::Model::TreeSearcher 3pm "2017-06-09" "perl v5.24.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Config::Model::TreeSearcher \- Search tree for match in value, description...
.SH "VERSION"
.IX Header "VERSION"
version 2.105
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use Config::Model ;
\&
\& # define configuration tree object
\& my $model = Config::Model\->new ;
\& $model \->create_config_class (
\&    name => "MyClass",
\&    element => [ 
\&        [qw/foo bar/] => { 
\&            type => \*(Aqleaf\*(Aq,
\&            value_type => \*(Aqstring\*(Aq
\&        },
\&        baz => { 
\&            type => \*(Aqhash\*(Aq,
\&            index_type => \*(Aqstring\*(Aq ,
\&            cargo => {
\&                type => \*(Aqleaf\*(Aq,
\&                value_type => \*(Aqstring\*(Aq,
\&            },
\&        },
\&        
\&    ],
\& ) ;
\&
\& my $inst = $model\->instance(root_class_name => \*(AqMyClass\*(Aq );
\&
\& my $root = $inst\->config_root ;
\&
\& my $steps = \*(Aqbaz:fr=bonjour baz:hr="dobar dan" foo="journalled"\*(Aq;
\& $root\->load( steps => $steps ) ;
\&
\& my @result = $root\->tree_searcher(type => \*(Aqvalue\*(Aq)\->search(\*(Aqjour\*(Aq);
\& print join("\en",@result),"\en" ;
\& # print 
\& #  baz:fr
\& #  foo
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This class provides a way to search the content of a configuration tree. 
Given a keyword or a pattern, the search method scans the tree to find
a value, a description or anything that match the given pattern (or keyword).
.SH "Constructor"
.IX Header "Constructor"
.SS "new (type => [ value | description ... ] )"
.IX Subsection "new (type => [ value | description ... ] )"
Creates a new searcher object. The \f(CW\*(C`type\*(C'\fR parameter can be:
.IP "element" 4
.IX Item "element"
.PD 0
.IP "value" 4
.IX Item "value"
.IP "key" 4
.IX Item "key"
.IP "summary" 4
.IX Item "summary"
.IP "description" 4
.IX Item "description"
.IP "help" 4
.IX Item "help"
.IP "all" 4
.IX Item "all"
.PD
Search in all the items above
.SH "Methods"
.IX Header "Methods"
.SS "search(keyword)"
.IX Subsection "search(keyword)"
Search the keyword or pattern in the tree. The search is done in a case
insensitive manner. Returns a list of path pointing 
to the matching tree element. See \*(L"grab\*(R" in Config::Model::Role::Grab for details
on the path syntax.
.SH "BUGS"
.IX Header "BUGS"
Creating a class with just one search method may be overkill. \s-1OTOH,\s0 it may 
be extended later to provide iterative search.
.SH "AUTHOR"
.IX Header "AUTHOR"
Dominique Dumont, (ddumont at cpan dot org)
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Config::Model,
Config::Model::SearchElement,
Config::Model::AnyThing
.SH "AUTHOR"
.IX Header "AUTHOR"
Dominique Dumont
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is Copyright (c) 2005\-2017 by Dominique Dumont.
.PP
This is free software, licensed under:
.PP
.Vb 1
\&  The GNU Lesser General Public License, Version 2.1, February 1999
.Ve