Class: PrintTreeNodeVisitor2
- Inherits:
-
TreeNodeVisitor
- Object
- TreeNodeVisitor
- PrintTreeNodeVisitor2
- Defined in:
- lib/tree_visitor/visitor/print_node_visitor2.rb
Instance Method Summary collapse
- #enter_treeNode(treeNode) ⇒ Object
- #exit_treeNode(treeNode) ⇒ Object
-
#initialize(*args) ⇒ PrintTreeNodeVisitor2
constructor
A new instance of PrintTreeNodeVisitor2.
- #visit_leafNode(leafNode) ⇒ Object
Constructor Details
#initialize(*args) ⇒ PrintTreeNodeVisitor2
Returns a new instance of PrintTreeNodeVisitor2.
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# File 'lib/tree_visitor/visitor/print_node_visitor2.rb', line 3 def initialize( *args ) super( *args ) @depth = 0 end |
Instance Method Details
#enter_treeNode(treeNode) ⇒ Object
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# File 'lib/tree_visitor/visitor/print_node_visitor2.rb', line 17 def enter_treeNode( treeNode ) str = "" (0...@depth).step { str << " |-" } if @depth == 0 puts str + treeNode.to_s else puts str + treeNode.to_s end @depth += 1 end |
#exit_treeNode(treeNode) ⇒ Object
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# File 'lib/tree_visitor/visitor/print_node_visitor2.rb', line 32 def exit_treeNode( treeNode ) @depth -= 1 end |
#visit_leafNode(leafNode) ⇒ Object
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# File 'lib/tree_visitor/visitor/print_node_visitor2.rb', line 8 def visit_leafNode( leafNode ) str = "" (0...@depth-1).step { str << " |-" } str << " | " puts str + leafNode.to_s end |