NAME

URI::VersionRange - Perl extension for Version Range Specification

SYNOPSIS

use URI::VersionRange;

# OO-interface

$vers = URI::VersionRange->new(
  scheme      => 'cpan',
  constraints => ['>2.00']
);

say $vers; # vers:cpan/>2.00

if ($vers->contains('2.10')) {
  say "The version is in range";
}

# Parse "vers" string
$vers = URI::VersionRange->from_string('vers:cpan/>2.00|<2.23');

# exported functions

$vers = decode_vers('vers:cpan/>2.00|<2.23');
say $vers->scheme;  # cpan

$vers_string = encode_vers(scheme => cpan, constraints => ['>2.00']);
say $vers_string; # vers:cpan/>2.00

DESCRIPTION

A version range specifier (aka. "vers") is a URI string using the vers URI-scheme with this syntax:

vers:<versioning-scheme>/<version-constraint>|<version-constraint>|...

vers is the URI-scheme and is an acronym for "VErsion Range Specifier".

The pipe "|" is used as a simple separator between version-constraint. Each version-constraint in this pipe-separated list contains a comparator and a version:

<comparator:version>

This list of version-constraint are signposts in the version timeline of a package that specify version intervals.

A version satisfies a version range specifier if it is contained within any of the intervals defined by these version-constraint.

https://github.com/package-url/purl-spec

FUNCTIONAL INTERFACE

They are exported by default:

$vers_string = encode_vers(%params);

Converts the given vers components to "vers" string. Croaks on error.

This function call is functionally identical to:

$vers_string = URI::VersionRange->new(%params)->to_string;

$vers = decode_vers($vers_string);

Converts the given "vers" string to URI::VersionRange object. Croaks on error.

This function call is functionally identical to:

$vers = URI::VersionRange->from_string($vers_string);

OBJECT-ORIENTED INTERFACE

$vers = URI::VersionRange->new( scheme => STRING, constraints => ARRAY )

Create new URI::VersionRange instance using provided vers components (scheme, constraints).

$vers->scheme

By convention the versioning scheme should be the same as the URI::PackageURL package type for a given package ecosystem.

$vers->constraints

constraints is ARRAY of URI::VersionRange::Constraint object.

$vers->contains($version)

Check if a version is contained within a range

my $vers = URI::VersionRange::from_string('vers:cpan/>2.00|<2.23');

if ($vers->contains('2.10')) {
    say "The version is in range";
}

See URI::VersionRange::Version.

$vers->constraint_contains

Check if a version is contained within a specific constraint.

See URI::VersionRange::Version.

$vers->to_string

Stringify vers components.

$vers->TO_JSON

Helper method for JSON modules (JSON, JSON::PP, JSON::XS, Mojo::JSON, etc).

use Mojo::JSON qw(encode_json);

say encode_json($vers);  # {"constraints":[{"comparator":">","version":"2.00"},{"comparator":"<","version":"2.23"}],"scheme":"cpan"}

$vers = URI::VersionRange->from_string($vers_string);

Converts the given "vers" string to URI::VersionRange object. Croaks on error.

SUPPORT

Bugs / Feature Requests

Please report any bugs or feature requests through the issue tracker at https://github.com/giterlizzi/perl-URI-PackageURL/issues. You will be notified automatically of any progress on your issue.

Source Code

This is open source software. The code repository is available for public review and contribution under the terms of the license.

https://github.com/giterlizzi/perl-URI-PackageURL

git clone https://github.com/giterlizzi/perl-URI-PackageURL.git

AUTHOR

• Giuseppe Di Terlizzi <gdt@cpan.org>

LICENSE AND COPYRIGHT

This software is copyright (c) 2022-2025 by Giuseppe Di Terlizzi.

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