root/core/TraitsIterator.h

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#ifndef __avmplus_TraitsIterator__
#define __avmplus_TraitsIterator__

namespace avmplus
{
        class TraitsIterator
        {
        public:
                TraitsIterator(Traits * _traits) :
                        traits(_traits ? _traits->getTraitsBindings() : NULL),
                        index(0)
                {
                }

                bool getNext(Stringp& key, Namespacep& ns, Binding& value)
                {
                        if (index == -1 || !traits)
                        {
                                return false;
                        }
                        while ((index = traits->next(index)) == 0)
                        {
                                // ascend to base traits
                                traits = traits->base;
                                if (!traits)
                                {
                                        // no more traits, bail out.
                                        index = -1;
                                        return false;
                                }
                                // restart iteration on base traits
                                index = 0;
                        }
                        key   = traits->keyAt(index);
                        ns    = traits->nsAt(index);
                        value = traits->valueAt(index);
                        return true;
                }

                Traits* currentTraits()
                {
                        // this value changes as we walk up the traits chain
                        if (traits) return traits->owner;
                        return NULL;
                }

        private:
                // this is stack-allocated so we must not use DWB()
                TraitsBindingsp traits;
                int index;
        };
}

#endif /* __avmplus_TraitsIterator__ */