package Data::MessagePack;
use strict;
use warnings;
use 5.008001;

our $VERSION = '0.16_04';
our $PreferInteger = 0;

our $true  = do { bless \(my $dummy = 1), "Data::MessagePack::Boolean" };
our $false = do { bless \(my $dummy = 0), "Data::MessagePack::Boolean" };
sub true  () { $true  }
sub false () { $false }

if ( !__PACKAGE__->can('pack') ) { # this idea comes from Text::Xslate
    my $backend = $ENV{ PERL_DATA_MESSAGEPACK } || '';
    if ( $backend !~ /\b pp \b/xms ) {
        eval {
            require XSLoader;
            XSLoader::load(__PACKAGE__, $VERSION);
        };
        die $@ if $@ && $backend =~ /\b xs \b/xms; # force XS
    }
    if ( !__PACKAGE__->can('pack') ) {
        require 'Data/MessagePack/PP.pm';
    }
}

1;
__END__

=head1 NAME

Data::MessagePack - MessagePack serialising/deserialising

=head1 SYNOPSIS

    my $packed = Data::MessagePack->pack($dat);
    my $unpacked = Data::MessagePack->unpack($dat);

=head1 DESCRIPTION

This module converts Perl data structures to MessagePack and vice versa.

MessagePack is a binary-based efficient object serialization format.
It enables to exchange structured objects between many languages like JSON. But unlike JSON, it is very fast and small.

=head1 METHODS

=over 4

=item my $packed = Data::MessagePack->pack($data);

pack the $data to messagepack format string.

=item my $unpacked = Data::MessagePack->unpack($msgpackstr);

unpack the $msgpackstr to messagepack format string.

=back

=head1 Configuration Variables

=over 4

=item $Data::MessagePack::PreferInteger

Pack the string as int when the value looks like int(EXPERIMENTAL).

=back

=head1 AUTHORS

Tokuhiro Matsuno

Makamaka Hannyaharamitu

=head1 THANKS TO

Jun Kuriyama

Dan Kogai

FURUHASHI Sadayuki

=head1 LICENSE

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


=head1 SEE ALSO

L<http://msgpack.org/>

