Warn (print messages to STDERR) about any bad HTML form constructs found.
You can trap these with $SIG{__WARN__}.

=item C<< strict => $bool >>

Initialize any form objects with the given strict attribute.

=back

=cut

sub parse
{
    my $class = shift;
    my $html = shift;
    unshift(@_, "base") if @_ == 1;
    my %opt = @_;

    require HTML::TokeParser;
    my $p = HTML::TokeParser->new(ref($html) ? $html->decoded_content(ref => 1) : \$html);
    die "Failed to create HTML::TokeParser object" unless $p;

    my $base_uri = delete $opt{base};
    my $strict = delete $opt{strict};
    my $verbose = delete $opt{verbose};

    if ($^W) {
	Carp::carp("Unrecognized option $_ in HTML::Form->parse") for sort keys %opt;
    }

    unless (defined $base_uri) {
	if (ref($html)) {
	    $base_uri = $html->base;
	}
	else {
	    Carp::croak("HTML::Form::parse: No \$base_uri provided");
	}
    }

    my @forms;
    my $f;  # current form

    my %openselect; # index to the open instance of a select

    while (my $t = $p->get_tag) {
	my($tag,$attr) = @$t;
	if ($tag eq "form") {
	    my $action = delete $attr->{'action'};
	    $action = "" unless defined $action;
	    $action = URI->new_abs($action, $base_uri);
	    $f = $class->new($attr->{'method'},
			     $action,
			     $attr->{'enctype'});
	    $f->{attr} = $attr;
	    $f->strict(1) if $strict;
            %openselect = ();
	    push(@forms, $f);
	    my(%labels, $current_label);
	    while (my $t = $p->get_tag) {
		my($tag, $attr) = @$t;
		last if $tag eq "/form";

		# if we are inside a label tag, then keep
		# appending any text to the current label
		if(defined $current_label) {
		    $current_label = join " ",
		        grep { defined and length }
		        $current_label,
		        $p->get_phrase;
		}

		if ($tag eq "input") {
		    $attr->{value_name} =
		        exists $attr->{id} && exists $labels{$attr->{id}} ? $labels{$attr->{id}} :
			defined $current_label                            ?  $current_label      :
		        $p->get_phrase;
		}

		if ($tag eq "label") {
		    $current_label = $p->get_phrase;
		    $labels{ $attr->{for} } = $current_label
		        if exists $attr->{for};
		}
		elsif ($tag eq "/label") {
		    $current_label = undef;
		}
		elsif ($tag eq "input") {
		    my $type = delete $attr->{type} || "text";
		    $f->push_input($type, $attr, $verbose);
		}
                elsif ($tag eq "button") {
                    my $type = delete $attr->{type} || "submit";
                    $f->push_input($type, $attr, $verbose);
                }
		elsif ($tag eq "textarea") {
		    $attr->{textarea_value} = $attr->{value}
		        if exists $attr->{value};
		    my $text = $p->get_text("/textarea");
		    $attr->{value} = $text;
		    $f->push_input("textarea", $attr, $verbose);