TAP::Parser::Source::Perl man page on HP-UX

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TAP::Parser::Source::PePerl)Programmers Reference TAP::Parser::Source::Perl(3)

NAME
       TAP::Parser::Source::Perl - Stream Perl output

VERSION
       Version 3.17

SYNOPSIS
	 use TAP::Parser::Source::Perl;
	 my $perl = TAP::Parser::Source::Perl->new;
	 my $stream = $perl->source( [ $filename, @args ] )->get_stream;

DESCRIPTION
       Takes a filename and hopefully returns a stream from it.	 The filename
       should be the name of a Perl program.

       Note that this is a subclass of TAP::Parser::Source.  See that module
       for more methods.

METHODS
   Class Methods
       "new"

	my $perl = TAP::Parser::Source::Perl->new;

       Returns a new "TAP::Parser::Source::Perl" object.

   Instance Methods
       "source"

       Getter/setter the name of the test program and any arguments it
       requires.

	 my ($filename, @args) = @{ $perl->source };
	 $perl->source( [ $filename, @args ] );

       "croak"s if $filename could not be found.

       "switches"

	 my $switches = $perl->switches;
	 my @switches = $perl->switches;
	 $perl->switches( \@switches );

       Getter/setter for the additional switches to pass to the perl
       executable.  One common switch would be to set an include directory:

	 $perl->switches( ['-Ilib'] );

       "get_stream"

	 my $stream = $source->get_stream($parser);

       Returns a stream of the output generated by executing "source". Must be
       passed an object that implements a "make_iterator" method. Typically
       this is a TAP::Parser instance.

       "shebang"

       Get the shebang line for a script file.

	 my $shebang = TAP::Parser::Source::Perl->shebang( $some_script );

       May be called as a class method

       "get_taint"

       Decode any taint switches from a Perl shebang line.

	 # $taint will be 't'
	 my $taint = TAP::Parser::Source::Perl->get_taint( '#!/usr/bin/perl -t' );

	 # $untaint will be undefined
	 my $untaint = TAP::Parser::Source::Perl->get_taint( '#!/usr/bin/perl' );

SUBCLASSING
       Please see "SUBCLASSING" in TAP::Parser for a subclassing overview.

   Example
	 package MyPerlSource;

	 use strict;
	 use vars '@ISA';

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

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

	 sub source {
	     my ($self, $args) = @_;
	     if ($args) {
		 $self->{file} = $args->[0];
		 return $self->SUPER::source($args);
	     }
	     return $self->SUPER::source;
	 }

	 # use the version of perl from the shebang line in the test file
	 sub _get_perl {
	     my $self = shift;
	     if (my $shebang = $self->shebang( $self->{file} )) {
		 $shebang =~ /^#!(.*\bperl.*?)(?:(?:\s)|(?:$))/;
		 return $1 if $1;
	     }
	     return $self->SUPER::_get_perl(@_);
	 }

SEE ALSO
       TAP::Object, TAP::Parser, TAP::Parser::Source,

perl v5.10.1			  2009-06-12	  TAP::Parser::Source::Perl(3)
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