Class: Cuporter::TagListNode

Inherits:
Node
  • Object
show all
Defined in:
lib/cuporter/tag_list_node.rb

Overview

a node with a list of tags that can be applied to all children

Direct Known Subclasses

ExampleSetNode

Instance Attribute Summary collapse

Attributes inherited from Node

#children, #file, #name, #number, #numerable

Instance Method Summary collapse

Methods inherited from Node

#<=>, #add_child, #eql?, #find, #find_by_name, #has_children?, #name_without_title, #names, #number_all_descendants, #numerable?, #sort!, #sort_all_descendants!, #total

Constructor Details

#initialize(name, tags, filter = {}) ⇒ TagListNode

Returns a new instance of TagListNode.



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# File 'lib/cuporter/tag_list_node.rb', line 8

def initialize(name, tags, filter = {})
  super(name)
  @tags = tags
  @filter = filter
end

Instance Attribute Details

#tags ⇒ Object (readonly)

Returns the value of attribute tags.



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# File 'lib/cuporter/tag_list_node.rb', line 6

def tags
  @tags
end

Instance Method Details

#add_to_tag_nodes(node) ⇒ Object 



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# File 'lib/cuporter/tag_list_node.rb', line 22

def add_to_tag_nodes(node)
  (tags | node.tags).each do |tag|
    tag_node = find_or_create_child(tag)
    tag_node.add_child(node)
  end
end

#filter_child(node, node_tags) ⇒ Object 



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# File 'lib/cuporter/tag_list_node.rb', line 18

def filter_child(node, node_tags)
  add_child(node) if @filter.pass?(tags | node_tags)
end

#find_or_create_child(name) ⇒ Object 



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# File 'lib/cuporter/tag_list_node.rb', line 44

def find_or_create_child(name)
  child_node = self[name]
  unless child_node
    children << Node.new(name)
    child_node = children.last
  end
  child_node
end

#has_tags? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cuporter/tag_list_node.rb', line 14

def has_tags?
  @tags.size > 0
end

#merge_tag_nodes(other) ⇒ Object

Have my children adopt the other node’s grandchildren.

Copy children of other node’s top-level, direct descendants to this node’s direct descendants of the same name.



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# File 'lib/cuporter/tag_list_node.rb', line 33

def merge_tag_nodes(other)
  other.children.each do |other_tag_node|
    tag_node                = find_or_create_child(other_tag_node.name)
    new_grandchild          = Node.new(other.name)
    new_grandchild.children = other_tag_node.children
    new_grandchild.file     = other.file

    tag_node.add_child(new_grandchild)
  end
end