NAME

Data::Object::Args - Args Class

ABSTRACT

Args Class for Perl 5

SYNOPSIS

  package main;

  use Data::Object::Args;

  local @ARGV = qw(--help execute);

  my $args = Data::Object::Args->new(
    named => { flag => 0, command => 1 }
  );

  # $args->flag; # $ARGV[0]
  # $args->get(0); # $ARGV[0]
  # $args->get(1); # $ARGV[1]
  # $args->action; # $ARGV[1]
  # $args->exists(0); # exists $ARGV[0]
  # $args->exists('flag'); # exists $ARGV[0]
  # $args->get('flag'); # $ARGV[0]

DESCRIPTION

This package provides methods for accessing @ARGS items.

INTEGRATES

This package integrates behaviors from:

Data::Object::Role::Buildable

Data::Object::Role::Proxyable

Data::Object::Role::Stashable

LIBRARIES

This package uses type constraints from:

Types::Standard

ATTRIBUTES

This package has the following attributes:

named

  named(HashRef)

This attribute is read-only, accepts (HashRef) values, and is optional.

METHODS

This package implements the following methods:

exists

  exists(Str $key) : Any

The exists method takes a name or index and returns truthy if an associated value exists.

exists example #1

  # given: synopsis

  $args->exists(0); # truthy

exists example #2

  # given: synopsis

  $args->exists('flag'); # truthy

exists example #3

  # given: synopsis

  $args->exists(2); # falsy

get

  get(Str $key) : Any

The get method takes a name or index and returns the associated value.

get example #1

  # given: synopsis

  $args->get(0); # --help

get example #2

  # given: synopsis

  $args->get('flag'); # --help

get example #3

  # given: synopsis

  $args->get(2); # undef

name

  name(Str $key) : Any

The name method takes a name or index and returns index if the the associated value exists.

name example #1

  # given: synopsis

  $args->name('flag'); # 0

set

  set(Str $key, Maybe[Any] $value) : Any

The set method takes a name or index and sets the value provided if the associated argument exists.

set example #1

  # given: synopsis

  $args->set(0, '-?'); # -?

set example #2

  # given: synopsis

  $args->set('flag', '-?'); # -?

set example #3

  # given: synopsis

  $args->set('verbose', 1); # undef

  # is not set

stashed

  stashed() : HashRef

The stashed method returns the stashed data associated with the object.

stashed example #1

  # given: synopsis

  $args->stashed

unnamed

  unnamed() : ArrayRef

The unnamed method returns an arrayref of values which have not been named using the named attribute.

unnamed example #1

  package main;

  use Data::Object::Args;

  local @ARGV = qw(--help execute --format markdown);

  my $args = Data::Object::Args->new(
    named => { flag => 0, command => 1 }
  );

  $args->unnamed # ['--format', 'markdown']

unnamed example #2

  package main;

  use Data::Object::Args;

  local @ARGV = qw(execute phase-1 --format markdown);

  my $args = Data::Object::Args->new(
    named => { command => 1 }
  );

  $args->unnamed # ['execute', '--format', 'markdown']

AUTHOR

Al Newkirk, awncorp@cpan.org

LICENSE

Copyright (C) 2011-2019, Al Newkirk, et al.

This is free software; you can redistribute it and/or modify it under the terms of the The Apache License, Version 2.0, as elucidated in the "license file".

PROJECT

Wiki

Project

Initiatives

Milestones

Contributing

Issues

cpanm Data::Object::Args

perl -MCPAN -e shell
install Data::Object::Args