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package TAP::Parser::SourceHandler::Handle;
use strict;
use warnings;
use TAP::Parser::IteratorFactory ();
use TAP::Parser::Iterator::Stream ();
use base 'TAP::Parser::SourceHandler';
TAP::Parser::IteratorFactory->register_handler(__PACKAGE__);
=head1 NAME
TAP::Parser::SourceHandler::Handle - Stream TAP from an IO::Handle or a GLOB.
=head1 VERSION
Version 3.42
=cut
our $VERSION = '3.42';
=head1 SYNOPSIS
use TAP::Parser::Source;
use TAP::Parser::SourceHandler::Executable;
my $source = TAP::Parser::Source->new->raw( \*TAP_FILE );
$source->assemble_meta;
my $class = 'TAP::Parser::SourceHandler::Handle';
my $vote = $class->can_handle( $source );
my $iter = $class->make_iterator( $source );
=head1 DESCRIPTION
This is a I<raw TAP stored in an IO Handle> L<TAP::Parser::SourceHandler> class. It
has 2 jobs:
1. Figure out if the L<TAP::Parser::Source> it's given is an L<IO::Handle> or
GLOB containing raw TAP output (L</can_handle>).
2. Creates an iterator for IO::Handle's & globs (L</make_iterator>).
Unless you're writing a plugin or subclassing L<TAP::Parser>, you probably
won't need to use this module directly.
=head1 METHODS
=head2 Class Methods
=head3 C<can_handle>
my $vote = $class->can_handle( $source );
Casts the following votes:
0.9 if $source is an IO::Handle
0.8 if $source is a glob
=cut
sub can_handle {
my ( $class, $src ) = @_;
my $meta = $src->meta;
return 0.9
if $meta->{is_object}
&& UNIVERSAL::isa( $src->raw, 'IO::Handle' );
return 0.8 if $meta->{is_glob};
return 0;
}
=head3 C<make_iterator>
my $iterator = $class->make_iterator( $source );
Returns a new L<TAP::Parser::Iterator::Stream> for the source.
=cut
sub make_iterator {
my ( $class, $source ) = @_;
$class->_croak('$source->raw must be a glob ref or an IO::Handle')
unless $source->meta->{is_glob}
|| UNIVERSAL::isa( $source->raw, 'IO::Handle' );
return $class->iterator_class->new( $source->raw );
}
=head3 C<iterator_class>
The class of iterator to use, override if you're sub-classing. Defaults
to L<TAP::Parser::Iterator::Stream>.
=cut
use constant iterator_class => 'TAP::Parser::Iterator::Stream';
1;
=head1 SUBCLASSING
Please see L<TAP::Parser/SUBCLASSING> for a subclassing overview.
=head1 SEE ALSO
L<TAP::Object>,
L<TAP::Parser>,
L<TAP::Parser::Iterator>,
L<TAP::Parser::Iterator::Stream>,
L<TAP::Parser::IteratorFactory>,
L<TAP::Parser::SourceHandler>,
L<TAP::Parser::SourceHandler::Executable>,
L<TAP::Parser::SourceHandler::Perl>,
L<TAP::Parser::SourceHandler::File>,
L<TAP::Parser::SourceHandler::RawTAP>
=cut