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lib/AnyEvent/Net/Curl/Const.pm  view on Meta::CPAN

package AnyEvent::Net::Curl::Const;
# ABSTRACT: Access Net::Curl::* constants by name


use strict;
use utf8;
use warnings qw(all);

use Carp qw(carp);
use Net::Curl::Easy;
use Scalar::Util qw(looks_like_number);

our $VERSION = '0.049'; # VERSION


my (%const_info, %const_opt);

sub info {
    my ($name) = @_;
    $const_info{$name} = _curl_const(CURLINFO => $name)
        unless exists $const_info{$name};
    return $const_info{$name};
}

sub opt {
    my ($name) = @_;
    $const_opt{$name} = _curl_const(CURLOPT => $name)
        unless exists $const_opt{$name};
    return $const_opt{$name};
}

sub _curl_const {
    my ($suffix => $key) = @_;
    return $key if looks_like_number($key);

    $key =~ s{^Net::Curl::Easy::}{}ix;
    $key =~ y{-}{_};
    $key =~ s{\W}{}gx;
    $key = uc $key;
    $key = "${suffix}_${key}" if $key !~ m{^${suffix}_}x;

    my $val = eval {
        ## no critic (ProhibitNoStrict)
        no strict 'refs';
        my $const_name = 'Net::Curl::Easy::' . $key;
        *$const_name->();
    };
    carp "Invalid libcurl constant: $key" if $@;

    return $val;
}


1;

__END__

=pod

=encoding UTF-8

=head1 NAME

AnyEvent::Net::Curl::Const - Access Net::Curl::* constants by name

=head1 VERSION