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t/000-report-versions.t  view on Meta::CPAN

sub read_string {
    my $class  = ref $_[0] ? ref shift : shift;
    my $self   = bless [], $class;
    my $string = $_[0];
    unless ( defined $string ) {
        return $self->_error("Did not provide a string to load");
    }

    # Byte order marks
    # NOTE: Keeping this here to educate maintainers
    # my %BOM = (
    #     "\357\273\277" => 'UTF-8',
    #     "\376\377"     => 'UTF-16BE',
    #     "\377\376"     => 'UTF-16LE',
    #     "\377\376\0\0" => 'UTF-32LE'
    #     "\0\0\376\377" => 'UTF-32BE',
    # );
    if ( $string =~ /^(?:\376\377|\377\376|\377\376\0\0|\0\0\376\377)/ ) {
        return $self->_error("Stream has a non UTF-8 BOM");
    } else {
        # Strip UTF-8 bom if found, we'll just ignore it
        $string =~ s/^\357\273\277//;
    }

    # Try to decode as utf8
    utf8::decode($string) if HAVE_UTF8;

    # Check for some special cases
    return $self unless length $string;