58 lines
2.4 KiB
Raku
58 lines
2.4 KiB
Raku
// Filename: traverserVisitor.I
|
|
// Created by: drose (20Mar00)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: TraverserVisitor::reached_node
|
|
// Access: Public
|
|
// Description: Called for each node visited. It may return true if
|
|
// the traversal is to be continued, or false if it
|
|
// should be pruned at this node.
|
|
////////////////////////////////////////////////////////////////////
|
|
template<class TW, class LevelState>
|
|
INLINE_GRAPH bool TraverserVisitor<TW, LevelState>::
|
|
reached_node(Node *,
|
|
TraverserVisitor<TW, LevelState>::AttributeWrapper &,
|
|
LevelState &) {
|
|
return true;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: TraverserVisitor::reached_node
|
|
// Access: Public
|
|
// Description: Called each time an arc is traversed in the forward
|
|
// direction. As above, it may return true if the
|
|
// traversal should continue, or false if it should be
|
|
// pruned and not reach the destination node.
|
|
////////////////////////////////////////////////////////////////////
|
|
template<class TW, class LevelState>
|
|
INLINE_GRAPH bool TraverserVisitor<TW, LevelState>::
|
|
forward_arc(NodeRelation *,
|
|
TraverserVisitor<TW, LevelState>::TransitionWrapper &,
|
|
TraverserVisitor<TW, LevelState>::AttributeWrapper &,
|
|
TraverserVisitor<TW, LevelState>::AttributeWrapper &,
|
|
LevelState &) {
|
|
return true;
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: TraverserVisitor::reached_node
|
|
// Access: Public
|
|
// Description: Called each time an arc is traversed in the backward
|
|
// direction. It is guaranteed to be paired stack-wise
|
|
// with the corresponding call to forward_arc, so that
|
|
// each call to backward_arc matches the previous
|
|
// unmatched call to forward_arc.
|
|
////////////////////////////////////////////////////////////////////
|
|
template<class TW, class LevelState>
|
|
INLINE_GRAPH void TraverserVisitor<TW, LevelState>::
|
|
backward_arc(NodeRelation *,
|
|
TraverserVisitor<TW, LevelState>::TransitionWrapper &,
|
|
TraverserVisitor<TW, LevelState>::AttributeWrapper &,
|
|
TraverserVisitor<TW, LevelState>::AttributeWrapper &,
|
|
const LevelState &) {
|
|
}
|