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

- NAME
- VERSION
- SYNOPSIS
- DESCRIPTION
- METHODS
  - Class Methods
    - new
  - Instance Methods
    - raw
    - meta
    - has_meta
    - config
    - merge
    - switches
    - test_args
    - assemble_meta
    - shebang
    - config_for
- AUTHORS
- SEE ALSO

# NAME

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

# VERSION

Version 3.44

# 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

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