Padre::Task::PPI(3pm) User Contributed Perl Documentation Padre::Task::PPI(3pm)NAME
Padre::Task::PPI - Generic PPI background processing task
SYNOPSIS
package Padre::Task::MyFancyTest;
use strict;
use base 'Padre::Task::PPI';
# Will be called after ppi-parsing:
sub process {
my $self = shift;
my $ppi = shift or return;
my $result = ...expensive_calculation_using_ppi...
$self->{result} = $result;
return;
}
1;
# elsewhere:
Padre::Task::MyFancyTest->new(
text => 'parse-this!',
)->schedule;
DESCRIPTION
This is a base class for all tasks that need to do expensive calculations using PPI. The class will setup a PPI::Document object from a
given piece of code and then call the "process_ppi" method on the task object and pass the PPI::Document as first argument.
You can either let "Padre::Task::PPI" fetch the Perl code for parsing from the current document or specify it as the ""text"" parameter to
the constructor.
Note: If you don't supply the document text and there is no currently open document to fetch it from, "new()" will simply return the empty
list instead of a "Padre::Task::PPI" object.
SEE ALSO
This class inherits from "Padre::Task" and its instances can be scheduled using "Padre::TaskManager".
The transfer of the objects to and from the worker threads is implemented with Storable.
AUTHOR
Steffen Mueller "smueller@cpan.org"
COPYRIGHT AND LICENSE
Copyright 2008-2012 The Padre development team as listed in Padre.pm.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl 5 itself.
perl v5.14.2 2012-06-27 Padre::Task::PPI(3pm)
Check Out this Related Man Page
Padre::Transform(3pm) User Contributed Perl Documentation Padre::Transform(3pm)NAME
Padre::Transform - Padre Document Transform API
DESCRIPTION
This is the base class for the Padre transform API.
I'll document this more later...
-- Adam K
METHODS
new
A default constructor for transform objects.
Takes arbitrary key/value pair parameters and returns a new object.
scalar_delta
my $delta = $transform->scalar_delta($input_ref);
The "scalar_delta" method takes a reference to a "SCALAR" as the only parameter and changes the document.
If the transform class does not implement a "scalar_delta" itself the default implementation will pass the call through to "scalar_scalar"
and then convert the result to a Padre::Delta object itself.
Returns a new Padre::Delta as output, or throws an exception on error.
scalar_scalar
my $output_ref = $transform->scalar_scalar($input_ref);
The "scalar_scalar" method takes a reference to a "SCALAR" as the only parameter and changes the document.
Returns a new reference to a "SCALAR" as output, false if there is no change to the document, or throws an exception on error.
COPYRIGHT & LICENSE
Copyright 2008-2012 The Padre development team as listed in Padre.pm.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
The full text of the license can be found in the LICENSE file included with this module.
perl v5.14.2 2012-06-27 Padre::Transform(3pm)
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