Problem with PROTO keyword

[maheshbinny <mah...@ya...>]

Hi,

This post is kinda repetition, but I am explaining here bit more detailed
way

I am using VRML 0.17.12 API for my VRML importer

I am facing a problem to read PROTO nodes for my VRML importer.

My node traversing is something looks like following way:

void IDONodeTraverser::do_traversal(node & n)
{
    //std::set<node *>::iterator pos = this->traversed_nodes.find(&n);
    //const bool alreadyTraversed = (pos != this->traversed_nodes.end());

    //if (!alreadyTraversed) {
                {
        this->on_entering(n);

        //this->traversed_nodes.insert(&n);

        const node_interface_set & interfaces = n.type().interfaces();
        for (node_interface_set::const_iterator
interface_(interfaces.begin());
                interface_ != interfaces.end() && !this->halt; ++interface_)
{
            if (interface_->type == node_interface::field_id
                    || interface_->type == node_interface::exposedfield_id)
{
                if (interface_->field_type == field_value::sfnode_id) {
                    const sfnode value = n.field<sfnode>(interface_->id);
                    if (value.value()) {
                        this->do_traversal(*value.value());
                    }
                } else if (interface_->field_type == field_value::mfnode_id)
{
                    const mfnode children = n.field<mfnode>(interface_->id);
                    for (size_t i = 0;
                         i < children.value().size() && !this->halt;
                         ++i) {
                        if (children.value()[i]) {
                            this->do_traversal(*children.value()[i]);
                        }
                    }
                }
            }
        }
        this->on_leaving(n);
    }
} 

Where the above source is copy of original source (with bit of
modifications).

Problem is, My importer is not reading PROTO keyword. 

Am I missing something around, here?

Could some please suggest me on this?

Thanks,
Mahesh

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