Ricardo SIGNES > Perl-PrereqScanner-1.017 > Perl::PrereqScanner

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Module Version: 1.017   Source   Latest Release: Perl-PrereqScanner-1.021

NAME ^

Perl::PrereqScanner - a tool to scan your Perl code for its prerequisites

VERSION ^

version 1.017

SYNOPSIS ^

  use Perl::PrereqScanner;
  my $scanner = Perl::PrereqScanner->new;
  my $prereqs = $scanner->scan_ppi_document( $ppi_doc );
  my $prereqs = $scanner->scan_file( $file_path );
  my $prereqs = $scanner->scan_string( $perl_code );
  my $prereqs = $scanner->scan_module( $module_name );

DESCRIPTION ^

The scanner will extract loosely your distribution prerequisites from your files.

The extraction may not be perfect but tries to do its best. It will currently find the following prereqs:

Scanner Plugins

Perl::PrereqScanner works by running a series of scanners over a PPI::Document representing the code to scan. By default the "Perl5", "Moose", "TestMore", "POE", and "Aliased" scanners are run. You can supply your own scanners when constructing your PrereqScanner:

  # Us only the Perl5 scanner:
  my $scanner = Perl::PrereqScanner->new({ scanners => [ qw(Perl5) ] });

  # Use any stock scanners, plus Example:
  my $scanner = Perl::PrereqScanner->new({ extra_scanners => [ qw(Example) ] });

METHODS ^

scan_string

  my $prereqs = $scanner->scan_string( $perl_code );

Given a string containing Perl source code, this method returns a CPAN::Meta::Requirements object describing the modules it requires.

This method will throw an exception if PPI fails to parse the code.

scan_file

  my $prereqs = $scanner->scan_file( $path );

Given a file path to a Perl document, this method returns a CPAN::Meta::Requirements object describing the modules it requires.

This method will throw an exception if PPI fails to parse the code.

scan_ppi_document

  my $prereqs = $scanner->scan_ppi_document( $ppi_doc );

Given a PPI::Document, this method returns a CPAN::Meta::Requirements object describing the modules it requires.

scan_module

  my $prereqs = $scanner->scan_module( $module_name );

Given the name of a module, eg 'PPI::Document', this method returns a CPAN::Meta::Requirements object describing the modules it requires.

AUTHORS ^

COPYRIGHT AND LICENSE ^

This software is copyright (c) 2009 by Jerome Quelin.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

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