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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" TAP::Parser::ResultFactory \- Factory for creating TAP::Parser output objects .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 4 \& use TAP::Parser::ResultFactory; \& my $token = {...}; \& my $factory = TAP::Parser::ResultFactory\->new; \& my $result = $factory\->make_result( $token ); .Ve .SH "VERSION" .IX Header "VERSION" Version 3.42 .SS "\s-1DESCRIPTION\s0" .IX Subsection "DESCRIPTION" This is a simple factory class which returns a TAP::Parser::Result subclass representing the current bit of test data from \s-1TAP \s0(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. .SS "\s-1METHODS\s0" .IX Subsection "METHODS" .SS "Class Methods" .IX Subsection "Class Methods" \fI\f(CI\*(C`new\*(C'\fI\fR .IX Subsection "new" .PP Creates a new factory class. \&\fINote:\fR You currently don't need to instantiate a factory in order to use it. .PP \fI\f(CI\*(C`make_result\*(C'\fI\fR .IX Subsection "make_result" .PP Returns an instance the appropriate class for the test token passed in. .PP .Vb 1 \& my $result = TAP::Parser::ResultFactory\->make_result($token); .Ve .PP Can also be called as an instance method. .PP \fI\f(CI\*(C`class_for\*(C'\fI\fR .IX Subsection "class_for" .PP Takes one argument: \f(CW$type\fR. Returns the class for this \f(CW$type\fR, or \f(CW\*(C`croak\*(C'\fRs with an error. .PP \fI\f(CI\*(C`register_type\*(C'\fI\fR .IX Subsection "register_type" .PP Takes two arguments: \f(CW$type\fR, \f(CW$class\fR .PP This lets you override an existing type with your own custom type, or register a completely new type, eg: .PP .Vb 4 \& # create a custom result type: \& package MyResult; \& use strict; \& use base \*(AqTAP::Parser::Result\*(Aq; \& \& # register with the factory: \& TAP::Parser::ResultFactory\->register_type( \*(Aqmy_type\*(Aq => _\|_PACKAGE_\|_ ); \& \& # use it: \& my $r = TAP::Parser::ResultFactory\->( { type => \*(Aqmy_type\*(Aq } ); .Ve .PP Your custom type should then be picked up automatically by the TAP::Parser. .SH "SUBCLASSING" .IX Header "SUBCLASSING" Please see \*(L"\s-1SUBCLASSING\*(R"\s0 in TAP::Parser for a subclassing overview. .PP There are a few things to bear in mind when creating your own \&\f(CW\*(C`ResultFactory\*(C'\fR: .IP "1." 4 The factory itself is never instantiated (this \fImay\fR change in the future). This means that \f(CW\*(C`_initialize\*(C'\fR is never called. .IP "2." 4 \&\f(CW\*(C`TAP::Parser::Result\->new\*(C'\fR is never called, \f(CW$tokens\fR are reblessed. This \fIwill\fR change in a future version! .IP "3." 4 TAP::Parser::Result subclasses will register themselves with TAP::Parser::ResultFactory directly: .Sp .Vb 2 \& package MyFooResult; \& TAP::Parser::ResultFactory\->register_type( foo => _\|_PACKAGE_\|_ ); .Ve .Sp Of course, it's up to you to decide whether or not to ignore them. .SS "Example" .IX Subsection "Example" .Vb 1 \& package MyResultFactory; \& \& use strict; \& \& use MyResult; \& \& use base \*(AqTAP::Parser::ResultFactory\*(Aq; \& \& # force all results to be \*(AqMyResult\*(Aq \& sub class_for { \& return \*(AqMyResult\*(Aq; \& } \& \& 1; .Ve .SH "SEE ALSO" .IX Header "SEE ALSO" TAP::Parser, TAP::Parser::Result, TAP::Parser::Grammar
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