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use 5.008; use strict; use warnings; use utf8; package Path::IsDev::Result; our $VERSION = '1.001003'; # ABSTRACT: Result container our $AUTHORITY = 'cpan:KENTNL'; # AUTHORITY use Class::Tiny 'path', 'result', { reasons => sub { [] }, }; sub _path { require Path::Tiny; goto &Path::Tiny::path } sub _croak { require Carp; goto &Carp::croak } ## no critic (Subroutines::ProhibitCallsToUnexportedSubs) sub _debug { require Path::IsDev; shift; goto &Path::IsDev::debug } sub BUILD { my ( $self, ) = @_; if ( not $self->path ) { return _croak(q[<path> is a mandatory parameter]); } if ( not ref $self->path ) { $self->path( _path( $self->path ) ); } if ( not -e $self->path ) { return _croak(q[<path> parameter must exist for heuristics to be performed]); } $self->path( $self->path->absolute ); return $self; } sub add_reason { my ( $self, $heuristic_name, $heuristic_result, $summary, $context ) = @_; my $name = $heuristic_name; if ( $name->can('name') ) { $name = $name->name; } $self->_debug("$name => $heuristic_result : $summary "); # $self->_debug( " > " . $_) for _pp($context); my ($heuristic_type); if ( $heuristic_name->can(q[heuristic_type]) ) { $heuristic_type = $heuristic_name->heuristic_type; } my $reason = { heuristic => $heuristic_name, result => $heuristic_result, ( defined $heuristic_type ? ( type => $heuristic_type ) : () ), %{ $context || {} }, }; push @{ $self->reasons }, $reason; return $self; } 1; __END__ =pod =encoding UTF-8 =head1 NAME Path::IsDev::Result - Result container =head1 VERSION version 1.001003 =head1 SYNOPSIS use Path::IsDev::Result; my $result = Path::IsDev::Result->new( path => '/some/path/that/exists' ): if ( $heuristcset->matches( $result ) ) { print Dumper($result); } =head1 DESCRIPTION This is a reasonably new internal component for Path::IsDev. Its purpose is to communicate state between internal things, and give some sort of introspectable context for why things happened in various places without resorting to spamming debug everywhere. Now instead of turning on debug, as long as you can get a result, you can inspect and dump that result at the point you need it. =head1 METHODS =head2 C<BUILD> =head2 C<add_reason> Call this method from a heuristic to record checking of the heuristic and the relevant meta-data. $result->add_reason( $heuristic, $matchvalue, $reason_summary, \%contextinfo ); For example: sub Foo::matches { my ( $self , $result_object ) = @_; if ( $result_object->path->child('bar')->exists ) { $result_object->add_reason( $self, 1, "child 'bar' exists" , { child => 'bar', 'exists?' => 1, child_path => $result_object->path->child('bar') }); $result_object->result(1); return 1; } return; } Note that here, C<$matchvalue> should be the result of the relevant matching logic, not the global impact. For instance, C<excludes> compositions should still add reasons of C<< $matchvalue == 1 >>, but they should not set C<< $result_object->result(1) >>. ( In fact, setting C<result> is the job of the individual heuristic, not the matches that are folded into it ) =head1 ATTRIBUTES =head2 C<path> =head2 C<result> =head2 C<reasons> =begin MetaPOD::JSON v1.1.0 { "namespace":"Path::IsDev::Result", "interface":"class", "inherits":"Class::Tiny::Object" } =end MetaPOD::JSON =head1 AUTHOR Kent Fredric <kentnl@cpan.org> =head1 COPYRIGHT AND LICENSE This software is copyright (c) 2017 by Kent Fredric <kentfredric@gmail.com>. This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. =cut
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