sourCEntral - mobile manpages

pdf

MooseX::Types::Path::Tiny

NAME

MooseX::Types::Path::Tiny − Path::Tiny types and coercions for Moose

VERSION

version 0.011

SYNOPSIS

  ### specification of type constraint with coercion
  package Foo;
  use Moose;
  use MooseX::Types::Path::Tiny qw/Path Paths AbsPath/;
  has filename => (
    is => 'ro',
    isa => Path,
    coerce => 1,
  );
  has directory => (
    is => 'ro',
    isa => AbsPath,
    coerce => 1,
  );
  has filenames => (
    is => 'ro',
    isa => Paths,
    coerce => 1,
  );
  ### usage in code
  Foo−>new( filename => 'foo.txt' ); # coerced to Path::Tiny
  Foo−>new( directory => '.' ); # coerced to path('.')−>absolute
  Foo−>new( filenames => [qw/bar.txt baz.txt/] ); # coerced to ArrayRef[Path::Tiny]

DESCRIPTION

This module provides Path::Tiny types for Moose. It handles two important types of coercion:

coercing objects with overloaded stringification

coercing to absolute paths

It also can check to ensure that files or directories exist.

SUBTYPES

This module uses MooseX::Types to define the following subtypes.

Path
"Path"
ensures an attribute is a Path::Tiny object. Strings and objects with overloaded stringification may be coerced.

AbsPath
"AbsPath"
is a subtype of "Path" (above), but coerces to an absolute path.

File, AbsFile
These are just like "Path" and "AbsPath", except they check "−f" to ensure the file actually exists on the filesystem.

Dir, AbsDir
These are just like "Path" and "AbsPath", except they check "−d" to ensure the directory actually exists on the filesystem.

Paths, AbsPaths
These are arrayrefs of "Path" and "AbsPath", and include coercions from arrayrefs of strings.

CAVEATS

Path vs File vs Dir
"Path"
just ensures you have a Path::Tiny object.

"File" and "Dir" check the filesystem. Don’t use them unless that’s really what you want.

Usage with File::Temp
Be careful if you pass in a File::Temp object. Because the argument is stringified during coercion into a Path::Tiny object, no reference to the original File::Temp argument is held. Be sure to hold an external reference to it to avoid immediate cleanup of the temporary file or directory at the end of the enclosing scope.

A better approach is to use Path::Tiny’s own "tempfile" or "tempdir" constructors, which hold the reference for you.

    Foo−>new( filename => Path::Tiny−>tempfile );

SEE ALSO

Path::Tiny

Moose::Manual::Types

Types::Path::Tiny

AUTHOR

David Golden <dagolden AT cpan DOT org>

COPYRIGHT AND LICENSE

This software is Copyright (c) 2013 by David Golden.

This is free software, licensed under:

  The Apache License, Version 2.0, January 2004

CONTRIBUTORS

Karen Etheridge <ether AT cpan DOT org>

Toby Inkster <mail AT tobyinkster DOT co DOT uk>

Demian Riccardi <dde AT ornl DOT gov>

pdf