TAP::Parser::Source(3pm)				 Perl Programmers Reference Guide				  TAP::Parser::Source(3pm)

NAME

       TAP::Parser::Source - a TAP source & meta data about it

VERSION

       Version 3.23

SYNOPSIS

	 use TAP::Parser::Source;
	 my $source = TAP::Parser::Source->new;
	 $source->raw( 'reference to raw TAP source' )
		->config( \%config )
		->merge( $boolean )
		->switches( @switches )
		->test_args( @args )
		->assemble_meta;

	 do { ... } if $source->meta->{is_file};
	 # see assemble_meta for a full list of data available

DESCRIPTION

       A TAP source is something that produces a stream of TAP for the parser to consume, such as an executable file, a text file, an archive, an
       IO handle, a database, etc.  "TAP::Parser::Source"s encapsulate these raw sources, and provide some useful meta data about them.  They are
       used by TAP::Parser::SourceHandlers, which do whatever is required to produce & capture a stream of TAP from the raw source, and package it
       up in a TAP::Parser::Iterator for the parser to consume.

       Unless you're writing a new TAP::Parser::SourceHandler, a plugin or subclassing TAP::Parser, you probably won't need to use this module
       directly.

METHODS

   Class Methods
       "new"

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

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

   Instance Methods
       "raw"

	 my $raw = $source->raw;
	 $source->raw( $some_value );

       Chaining getter/setter for the raw TAP source.  This is a reference, as it may contain large amounts of data (eg: raw TAP).

       "meta"

	 my $meta = $source->meta;
	 $source->meta({ %some_value });

       Chaining getter/setter for meta data about the source.  This defaults to an empty hashref.  See "assemble_meta" for more info.

       "has_meta"

       True if the source has meta data.

       "config"

	 my $config = $source->config;
	 $source->config({ %some_value });

       Chaining getter/setter for the source's configuration, if any has been provided by the user.  How it's used is up to you.  This defaults to
       an empty hashref.  See "config_for" for more info.

       "merge"

	 my $merge = $source->merge;
	 $source->config( $bool );

       Chaining getter/setter for the flag that dictates whether STDOUT and STDERR should be merged (where appropriate).  Defaults to undef.

       "switches"

	 my $switches = $source->switches;
	 $source->config([ @switches ]);

       Chaining getter/setter for the list of command-line switches that should be passed to the source (where appropriate).  Defaults to undef.

       "test_args"

	 my $test_args = $source->test_args;
	 $source->config([ @test_args ]);

       Chaining getter/setter for the list of command-line arguments that should be passed to the source (where appropriate).  Defaults to undef.

       "assemble_meta"

	 my $meta = $source->assemble_meta;

       Gathers meta data about the "raw" source, stashes it in "meta" and returns it as a hashref.  This is done so that the
       TAP::Parser::SourceHandlers don't have to repeat common checks.	Currently this includes:

	   is_scalar => $bool,
	   is_hash   => $bool,
	   is_array  => $bool,

	   # for scalars:
	   length => $n
	   has_newlines => $bool

	   # only done if the scalar looks like a filename
	   is_file => $bool,
	   is_dir  => $bool,
	   is_symlink => $bool,
	   file => {
	       # only done if the scalar looks like a filename
	       basename => $string, # including ext
	       dir	=> $string,
	       ext	=> $string,
	       lc_ext	=> $string,
	       # system checks
	       exists  => $bool,
	       stat    => [ ... ], # perldoc -f stat
	       empty   => $bool,
	       size    => $n,
	       text    => $bool,
	       binary  => $bool,
	       read    => $bool,
	       write   => $bool,
	       execute => $bool,
	       setuid  => $bool,
	       setgid  => $bool,
	       sticky  => $bool,
	       is_file => $bool,
	       is_dir  => $bool,
	       is_symlink => $bool,
	       # only done if the file's a symlink
	       lstat	  => [ ... ], # perldoc -f lstat
	       # only done if the file's a readable text file
	       shebang => $first_line,
	   }

	 # for arrays:
	 size => $n,

       "shebang"

       Get the shebang line for a script file.

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

       May be called as a class method

       "config_for"

	 my $config = $source->config_for( $class );

       Returns "config" for the $class given.  Class names may be fully qualified or abbreviated, eg:

	 # these are equivalent
	 $source->config_for( 'Perl' );
	 $source->config_for( 'TAP::Parser::SourceHandler::Perl' );

       If a fully qualified $class is given, its abbreviated version is checked first.

AUTHORS

       Steve Purkis.

SEE ALSO

       TAP::Object, TAP::Parser, TAP::Parser::IteratorFactory, TAP::Parser::SourceHandler

perl v5.16.2							    2012-10-25						  TAP::Parser::Source(3pm)