#include "ItemFilter.h"
#include "ItemType.h"
#include "Item.h"


ItemFilter::ItemFilter()
    : ReferenceCounter()
{}


CombinedItemFilter::CombinedItemFilter( ItemFilter* filterA, ItemFilter* filterB, std::function<bool( bool, bool )> op )
    : ItemFilter(),
    filterA( filterA ),
    filterB( filterB ),
    op( op )
{}

bool CombinedItemFilter::matchItem( const Item* zItem ) const
{
    return op( filterA->matchItem( zItem ), filterB->matchItem( zItem ) );
}


AnyItemFilter::AnyItemFilter()
    : ItemFilter()
{}

bool AnyItemFilter::matchItem( const Item* zItem ) const
{
    return true;
}


TypeItemFilter::TypeItemFilter( const ItemType* zType )
    : ItemFilter(),
    zType( zType )
{}

bool TypeItemFilter::matchItem( const Item* zItem ) const
{
    return zItem->zItemType() == zType;
}