File Coverage

blib/lib/HTML/Strip.pm

Criterion	Covered	Total	%
statement	45	47	95.7
branch	8	10	80.0
condition			n/a
subroutine	13	13	100.0
pod	7	7	100.0
total	73	77	94.8

package HTML::Strip;

require DynaLoader;
our @ISA = qw(DynaLoader);
our $VERSION = '2.12';
bootstrap HTML::Strip $VERSION;

use 5.008;
use warnings;
use strict;

use Carp;

my $_html_entities_p = eval { require HTML::Entities; 1 };

my %defaults = (
    striptags => [qw( title
                      style
                      script
                      applet )],
    emit_spaces	    => 1,
    emit_newlines	=> 0,
    decode_entities	=> 1,
    filter          => $_html_entities_p ? 'filter_entities' : undef,
    auto_reset      => 0,
    debug           => 0,
);

sub new {
    my $class = shift;
    my $obj = _create();
    bless $obj, $class;

    my %args = (%defaults, @_);
    while( my ($key, $value) = each %args ) {
        my $method = "set_${key}";
        if( $obj->can($method) ) {
            $obj->$method($value);
        } else {
            Carp::carp "Invalid setting '$key'";
        }
    }
    return $obj;
}

sub set_striptags {
    my ($self, @tags) = @_;
    if( ref($tags[0]) eq 'ARRAY' ) {
        $self->_set_striptags_ref( $tags[0] );
    } else {
        $self->_set_striptags_ref( \@tags );
    }
}

{
    # an inside-out object approach
    # for the 'filter' attribute
    my %filter_of;

    sub set_filter {
        my ($self, $filter) = @_;
        $filter_of{0+$self} = $filter;
    }

    sub filter {
        my $self = shift;
        return $filter_of{0+$self}
    }

    # XXX rename _xs_destroy() to DESTROY() in Strip.xs if removing this code
    sub DESTROY {
        my $self = shift;
        delete $filter_of{0+$self};
        $self->_xs_destroy;
    }
}

# $decoded_string = $self->filter_entities( $string )
sub filter_entities {
    my $self = shift;
    if( $self->decode_entities ) {
        return HTML::Entities::decode($_[0]);
    }
    return $_[0];
}

sub _do_filter {
    my $self = shift;
    my $filter = $self->filter;
    # no filter: return immediately
    return $_[0] unless defined $filter;

    if ( !ref $filter ) { # method name
        return $self->$filter( @_ );
    } else { # code ref
        return $filter->( @_ );
    }
}

sub parse {
    my ($self, $text) = @_;
    my $stripped = $self->_strip_html( $text );
    return $self->_do_filter( $stripped );
}

sub eof {
    my $self = shift;
    $self->_reset();
}

1;
__END__