GSP
Quick Navigator

Search Site

Unix VPS
A - Starter
B - Basic
C - Preferred
D - Commercial
MPS - Dedicated
Previous VPSs
* Sign Up! *

Support
Contact Us
Online Help
Handbooks
Domain Status
Man Pages

FAQ
Virtual Servers
Pricing
Billing
Technical

Network
Facilities
Connectivity
Topology Map

Miscellaneous
Server Agreement
Year 2038
Credits
 

USA Flag

 

 

Man Pages
MooseX::Declare::Syntax::NamespaceHandling(3) User Contributed Perl Documentation MooseX::Declare::Syntax::NamespaceHandling(3)
 

MooseX::Declare::Syntax::NamespaceHandling - Handle namespaced blocks

version 0.43

Allows the implementation of namespaced blocks like the role and class keyword handlers.
Namespaces are automatically nested. Meaning that, for example, a "class Bar" declaration inside another "class Foo" block gives the inner one actually the name "Foo::Bar".

  Any Object->parse (Object $context)
This is the main handling routine for namespaces. It will remove the namespace name and its options. If the handler was invoked without a name, options or a following block, it is assumed that this is an instance of an autoquoted bareword like "class => "Foo"".
The return value of the "parse" method is also the value that is returned to the user of the keyword.

MooseX::Declare::Syntax::KeywordHandling
MooseX::Declare::Syntax::InnerSyntaxHandling

  Object->handle_missing_block (Object $context, Str $body, %args)
This must be implemented to decide what to do in case the statement is terminated rather than followed by a block. It will receive the context object, the produced code that needs to be injected, and all the arguments that were passed to the call to "inject_code_parts" in MooseX::Declare::Context.
The return value will be ignored.

  Object->add_namespace_customizations (Object $context, Str $package, HashRef $options)
  Object->add_optional_customizations  (Object $context, Str $package, HashRef $options)
These will be called (in this order) by the "parse" method. They allow specific hooks to attach before/after/around the customizations for the namespace and the provided options that are not attached to the namespace directly.
While this distinction might seem superficial, we advise library developers facilitating this role to follow the precedent. This ensures that when another component needs to tie between the namespace and any additional customizations everything will run in the correct order. An example of this separation would be
  class Foo is mutable ...
being an option of the namespace generation, while
  class Foo with Bar ...
is an additional optional customization.

  Object->handle_post_parsing (Object $context, Str $package, Str | Object $name)
Allows for additional modifications to the namespace after everything else has been done. It will receive the context, the fully qualified package name, and either a string with the name that was specified (might not be fully qualified, since namespaces can be nested) or the anonymous metaclass instance if no name was specified.
The return value of this method will be the value returned to the user of the keyword. If you always return the $package argument like this:
  sub handle_post_parsing {
      my ($self, $context, $package, $name) = @_;
      return $package;
  }
and set this up in a "foo" keyword handler, you can use it like this:
  foo Cthulhu {
      my $fhtagn = foo Fhtagn { }
      my $anon   = foo { };
      say $fhtagn;  # Cthulhu::Fhtagn
      say $anon;    # some autogenerated package name
  }

  Class::MOP::Class Object->make_anon_metaclass ()
This method should be overridden if you want to provide anonymous namespaces.
It does not receive any arguments for customization of the metaclass, because the configuration and customization will be done by MooseX::Declare in the package of the generated class in the same way as in those that have specified names. This way ensures that anonymous and named namespaces are always handled equally.
If you do not extend this method (it will return nothing by default), an error will be thrown when a user attempts to declare an anonymous namespace.

MooseX::Declare
MooseX::Declare::Syntax::MooseSetup

Florian Ragwitz <rafl@debian.org>

This software is copyright (c) 2008 by Florian Ragwitz.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
2015-08-16 perl v5.28.1

Search for    or go to Top of page |  Section 3 |  Main Index

Powered by GSP Visit the GSP FreeBSD Man Page Interface.
Output converted with ManDoc.