TAP::Parser::ResultFactory - Online Linux Manual PageSection : 3
Updated : 2022-01-21
Source : perl v5.34.0
Note : User Contributed Perl Documentation

NAMETAP::Parser::ResultFactory − Factory for creating TAP::Parser output objects

SYNOPSIS​ use TAP::Parser::ResultFactory; ​ my $token = {...}; ​ my $factory = TAP::Parser::ResultFactory−>new; ​ my $result = $factory−>make_result( $token );

VERSIONVersion 3.43

DESCRIPTIONThis is a simple factory class which returns a TAP::Parser::Result subclass representing the current bit of test data from TAP (usually a single line). It is used primarily by TAP::Parser::Grammar. Unless you're subclassing, you probably won't need to use this module directly.

METHODS

Class Methodsnew Creates a new factory class. ​Note: You currently don't need to instantiate a factory in order to use it. make_result Returns an instance the appropriate class for the test token passed in. ​ my $result = TAP::Parser::ResultFactory−>make_result($token); Can also be called as an instance method. class_for Takes one argument: $type. Returns the class for this $type, or croaks with an error. register_type Takes two arguments: $type, $class This lets you override an existing type with your own custom type, or register a completely new type, eg: ​ # create a custom result type: ​ package MyResult; ​ use strict; ​ use base 'TAP::Parser::Result'; ​ ​ # register with the factory: ​ TAP::Parser::ResultFactory−>register_type( 'my_type' => _ _PACKAGE_ _ ); ​ ​ # use it: ​ my $r = TAP::Parser::ResultFactory−>( { type => 'my_type' } ); Your custom type should then be picked up automatically by the TAP::Parser.

SUBCLASSINGPlease see SUBCLASSING in TAP::Parser for a subclassing overview. There are a few things to bear in mind when creating your own ​ResultFactory: 1. The factory itself is never instantiated (this may change in the future). This means that _initialize is never called. 2. TAP::Parser::Result−>new is never called, $tokens are reblessed. This will change in a future version! 3. TAP::Parser::Result subclasses will register themselves with TAP::Parser::ResultFactory directly: ​ package MyFooResult; ​ TAP::Parser::ResultFactory−>register_type( foo => _ _PACKAGE_ _ ); Of course, it's up to you to decide whether or not to ignore them.

Example​ package MyResultFactory; ​ ​ use strict; ​ ​ use MyResult; ​ ​ use base 'TAP::Parser::ResultFactory'; ​ ​ # force all results to be 'MyResult' ​ sub class_for { ​ return 'MyResult'; ​ } ​ ​ 1;

SEE ALSOTAP::Parser, TAP::Parser::Result, TAP::Parser::Grammar
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