Sha256: e5a8c6d64c4994749146a78d2c6af8eb58f948a30befc30fcfac1514c442cd03
Contents?: true
Size: 856 Bytes
Versions: 11
Compression:
Stored size: 856 Bytes
Contents
# -*- coding: utf-8 -*-
module TreeRb
#
# Prints TreeNode names indenting according to depth
#
class PrintTreeNodeVisitor # < BasicTreeNodeVisitor
def initialize
@depth = 0
end
def enter_node( tree_node )
str = ""
(0...@depth).step {
str << " |-"
}
if @depth == 0
puts str + tree_node.name.to_s
else
puts str + tree_node.name.to_s
end
@depth += 1
end
def exit_node( tree_node )
@depth -= 1
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
def visit_leaf( leaf_node )
str = ""
(0...@depth-1).step {
str << " |-"
}
str << " | "
puts str + leaf_node.name.to_s
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems