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package TAP::Parser::SourceHandler::File;
use strict;
use vars qw($VERSION @ISA);
use TAP::Parser::SourceHandler ();
use TAP::Parser::IteratorFactory ();
use TAP::Parser::Iterator::Stream ();
@ISA = qw(TAP::Parser::SourceHandler);
TAP::Parser::IteratorFactory->register_handler(__PACKAGE__);
=head1 NAME
TAP::Parser::SourceHandler::File - Stream TAP from a text file.
=head1 VERSION
Version 3.20
=cut
$VERSION = '3.20';
=head1 SYNOPSIS
use TAP::Parser::Source;
use TAP::Parser::SourceHandler::File;
my $source = TAP::Parser::Source->new->raw( \'file.tap' );
$source->assemble_meta;
my $class = 'TAP::Parser::SourceHandler::File';
my $vote = $class->can_handle( $source );
my $iter = $class->make_iterator( $source );
=head1 DESCRIPTION
This is a I<raw TAP stored in a file> L<TAP::Parser::SourceHandler> - it has 2 jobs:
1. Figure out if the I<raw> source it's given is a file containing raw TAP
output. See L<TAP::Parser::IteratorFactory> for more details.
2. Takes raw TAP from the text file given, and converts into an 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 );
Only votes if $source looks like a regular file. Casts the following votes:
0.9 if it's a .tap file
0.9 if it has an extension matching any given in user config.
=cut
sub can_handle {
my ( $class, $src ) = @_;
my $meta = $src->meta;
my $config = $src->config_for($class);
return 0 unless $meta->{is_file};
my $file = $meta->{file};
return 0.9 if $file->{lc_ext} eq '.tap';
if ( my $exts = $config->{extensions} ) {
return 0.9 if grep { lc($_) eq $file->{lc_ext} } @$exts;
}
return 0;
}
=head3 C<make_iterator>
my $iterator = $class->make_iterator( $source );
Returns a new L<TAP::Parser::Iterator::Stream> for the source. C<croak>s
on error.
=cut
sub make_iterator {
my ( $class, $source ) = @_;
$class->_croak('$source->raw must be a scalar ref')
unless $source->meta->{is_scalar};
my $file = ${ $source->raw };
my $fh;
open( $fh, '<', $file )
or $class->_croak("error opening TAP source file '$file': $!");
return $class->iterator_class->new($fh);
}
=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;
__END__
=head1 CONFIGURATION
{
extensions => [ @case_insensitive_exts_to_match ]
}
=head1 SUBCLASSING
Please see L<TAP::Parser/SUBCLASSING> for a subclassing overview.
=head1 SEE ALSO
L<TAP::Object>,
L<TAP::Parser>,
L<TAP::Parser::SourceHandler>,
L<TAP::Parser::SourceHandler::Executable>,
L<TAP::Parser::SourceHandler::Perl>,
L<TAP::Parser::SourceHandler::Handle>,
L<TAP::Parser::SourceHandler::RawTAP>
=cut
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