FM / Parser

/usr/share/perl5/TAP/Parser

Name	Size	Mode	Actions
Iterator/	-	0755	rm
Result/	-	0755	rm
Scheduler/	-	0755	rm
Source/	-	0755	rm
YAMLish/	-	0755	rm
Aggregator.pm	9286	0644	edit dl rm
Grammar.pm	15451	0644	edit dl rm
Iterator.pm	3091	0644	edit dl rm
IteratorFactory.pm	3634	0644	edit dl rm
Multiplexer.pm	4293	0644	edit dl rm
Result.pm	6191	0644	edit dl rm
ResultFactory.pm	4265	0644	edit dl rm
Scheduler.pm	7244	0644	edit dl rm
Source.pm	3545	0644	edit dl rm
Utils.pm	1476	0644	edit dl rm

Edit: /usr/share/perl5/TAP/Parser/Source.pm (3545B)

package TAP::Parser::Source;

use strict;
use vars qw($VERSION @ISA);

use TAP::Object                  ();
use TAP::Parser::IteratorFactory ();

@ISA = qw(TAP::Object);

# Causes problem on MacOS and shouldn't be necessary anyway
#$SIG{CHLD} = sub { wait };

=head1 NAME

TAP::Parser::Source - Stream output from some source

=head1 VERSION

Version 3.17

=cut

$VERSION = '3.17';

=head1 SYNOPSIS

use TAP::Parser::Source;
  my $source = TAP::Parser::Source->new;
  my $stream = $source->source(['/usr/bin/ruby', 'mytest.rb'])->get_stream;

=head1 DESCRIPTION

Takes a command and hopefully returns a stream from it.

=head1 METHODS

=head2 Class Methods

=head3 C<new>

my $source = TAP::Parser::Source->new;

Returns a new C<TAP::Parser::Source> object.

=cut

# new() implementation supplied by TAP::Object

sub _initialize {
    my ( $self, $args ) = @_;
    $self->{switches} = [];
    _autoflush( \*STDOUT );
    _autoflush( \*STDERR );
    return $self;
}

##############################################################################

=head2 Instance Methods

=head3 C<source>

my $source = $source->source;
 $source->source(['./some_prog some_test_file']);

# or
 $source->source(['/usr/bin/ruby', 't/ruby_test.rb']);

Getter/setter for the source.  The source should generally consist of an array
reference of strings which, when executed via L<&IPC::Open3::open3|IPC::Open3>,
should return a filehandle which returns successive rows of TAP.  C<croaks> if
it doesn't get an arrayref.

=cut

sub source {
    my $self = shift;
    return $self->{source} unless @_;
    unless ( 'ARRAY' eq ref $_[0] ) {
        $self->_croak('Argument to &source must be an array reference');
    }
    $self->{source} = shift;
    return $self;
}

##############################################################################

=head3 C<get_stream>

my $stream = $source->get_stream;

Returns a L<TAP::Parser::Iterator> stream of the output generated by executing
C<source>.  C<croak>s if there was no command found.

Must be passed an object that implements a C<make_iterator> method.
Typically this is a TAP::Parser instance.

=cut

sub get_stream {
    my ( $self, $factory ) = @_;
    my @command = $self->_get_command
      or $self->_croak('No command found!');

return $factory->make_iterator(
        {   command => \@command,
            merge   => $self->merge
        }
    );
}

sub _get_command { return @{ shift->source || [] } }

##############################################################################

=head3 C<merge>

my $merge = $source->merge;

Sets or returns the flag that dictates whether STDOUT and STDERR are merged.

=cut

sub merge {
    my $self = shift;
    return $self->{merge} unless @_;
    $self->{merge} = shift;
    return $self;
}

# Turns on autoflush for the handle passed
sub _autoflush {
    my $flushed = shift;
    my $old_fh  = select $flushed;
    $| = 1;
    select $old_fh;
}

=head1 SUBCLASSING

Please see L<TAP::Parser/SUBCLASSING> for a subclassing overview.

=head2 Example

package MyRubySource;

use strict;
  use vars '@ISA';

use Carp qw( croak );
  use TAP::Parser::Source;

@ISA = qw( TAP::Parser::Source );

# expect $source->(['mytest.rb', 'cmdline', 'args']);
  sub source {
    my ($self, $args) = @_;
    my ($rb_file) = @$args;
    croak("error: Ruby file '$rb_file' not found!") unless (-f $rb_file);
    return $self->SUPER::source(['/usr/bin/ruby', @$args]);
  }

=head1 SEE ALSO

L<TAP::Object>,
L<TAP::Parser>,
L<TAP::Parser::Source::Perl>,

=cut

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