Sha256: ff17b0d6c329c0534c8b43fbbebf0271b61eeb1aa2ac5163c7f29e11e422502a
Contents?: true
Size: 973 Bytes
Versions: 13
Compression:
Stored size: 973 Bytes
Contents
# -*- coding: utf-8 -*-
module TreeRb
#
# Callback methods used to visit a tree
# Are empty so it is possible to define only a subset when deriving subclass
#
class BasicTreeNodeVisitor
#
# called on tree node at start of the visit i.e. we start to visit the subtree
#
def enter_node( tree_node )
end
#
# called when the tree node is not accessible or an exception is raise when the node is accessed
#
def cannot_enter_node( tree_node, error)
end
# alias :enter_tree_node :enter_node
#
# called on tree node at end of the visit i.e. oll subtree are visited
#
def exit_node( tree_node )
end
# alias :exit_tree_node :exit_node
#
# called when visit leaf node
#
def visit_leaf( leaf_node )
end
#
# called when the leaf node is not accessible or an exception is raise when the node is accessed
#
def cannot_visit_leaf( tree_node, error)
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems