Class: Rage::Router::StaticNode

Inherits:
ParentNode show all
Defined in:
lib/rage/router/node.rb

Constant Summary

Constants inherited from Node

Node::PARAMETRIC, Node::STATIC, Node::WILDCARD

Instance Attribute Summary collapse

Attributes inherited from ParentNode

#static_children

Attributes inherited from Node

#handler_storage, #is_leaf_node, #kind

Instance Method Summary collapse

Methods inherited from ParentNode

#create_static_child, #find_static_matching_child

Methods inherited from Node

#add_route

Constructor Details

#initialize(prefix) ⇒ StaticNode

Returns a new instance of StaticNode.



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# File 'lib/rage/router/node.rb', line 73

def initialize(prefix)
  super()
  @prefix = prefix
  @wildcard_child = nil
  @parametric_children = []
  @kind = Node::STATIC

  compile_prefix_match
end

Instance Attribute Details

#match_prefix ⇒ Object (readonly)

Returns the value of attribute match_prefix.



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# File 'lib/rage/router/node.rb', line 71

def match_prefix
  @match_prefix
end

#prefix ⇒ Object (readonly)

Returns the value of attribute prefix.



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# File 'lib/rage/router/node.rb', line 71

def prefix
  @prefix
end

Instance Method Details

#create_parametric_child(static_suffix, node_path) ⇒ Object 



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# File 'lib/rage/router/node.rb', line 83

def create_parametric_child(static_suffix, node_path)
  parametric_child = @parametric_children[0]

  if parametric_child
    parametric_child.node_paths.add(node_path)
    return parametric_child
  end

  parametric_child = ParametricNode.new(static_suffix, node_path)
  @parametric_children << parametric_child
  @parametric_children.sort! do |child1, child2|
    if child1.static_suffix.nil?
      1
    elsif child2.static_suffix.nil?
      -1
    elsif child2.static_suffix.end_with?(child1.static_suffix)
      1
    elsif child1.static_suffix.end_with?(child2.static_suffix)
      -1
    else
      0
    end
  end

  parametric_child
end

#create_wildcard_child ⇒ Object 



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# File 'lib/rage/router/node.rb', line 110

def create_wildcard_child
  @wildcard_child ||= WildcardNode.new
end

#get_next_node(path, path_index, node_stack, params_count) ⇒ Object 



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# File 'lib/rage/router/node.rb', line 128

def get_next_node(path, path_index, node_stack, params_count)
  node = find_static_matching_child(path, path_index)
  parametric_brother_node_index = 0

  unless node
    return @wildcard_child if @parametric_children.empty?

    node = @parametric_children[0]
    parametric_brother_node_index = 1
  end

  if @wildcard_child
    node_stack << {
      params_count: params_count,
      brother_path_index: path_index,
      brother_node: @wildcard_child
    }
  end

  i = @parametric_children.length - 1
  while i >= parametric_brother_node_index
    node_stack << {
      params_count: params_count,
      brother_path_index: path_index,
      brother_node: @parametric_children[i]
    }
    i -= 1
  end

  node
end

#split(parent_node, length) ⇒ Object 



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# File 'lib/rage/router/node.rb', line 114

def split(parent_node, length)
  parent_prefix = @prefix[0, length]
  child_prefix = @prefix[length, @prefix.length - length]

  @prefix = child_prefix
  compile_prefix_match

  static_node = StaticNode.new(parent_prefix)
  static_node.static_children[child_prefix[0]] = self
  parent_node.static_children[parent_prefix[0]] = static_node

  static_node
end