Class: Usher::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/usher/node.rb

Defined Under Namespace

Classes: Response

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, value) ⇒ Node

Returns a new instance of Node.



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# File 'lib/usher/node.rb', line 16

def initialize(parent, value)
  @parent = parent
  @value = value
  @request = nil
  @normal = nil
  @greedy = nil
  @request_method_type = nil
end

Instance Attribute Details

#greedy ⇒ Object (readonly)

Returns the value of attribute greedy.



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# File 'lib/usher/node.rb', line 13

def greedy
  @greedy
end

#normal ⇒ Object (readonly)

Returns the value of attribute normal.



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# File 'lib/usher/node.rb', line 13

def normal
  @normal
end

#parent ⇒ Object

Returns the value of attribute parent.



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# File 'lib/usher/node.rb', line 14

def parent
  @parent
end

#request ⇒ Object (readonly)

Returns the value of attribute request.



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# File 'lib/usher/node.rb', line 13

def request
  @request
end

#request_method_type ⇒ Object

Returns the value of attribute request_method_type.



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# File 'lib/usher/node.rb', line 14

def request_method_type
  @request_method_type
end

#request_methods ⇒ Object

Returns the value of attribute request_methods.



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# File 'lib/usher/node.rb', line 14

def request_methods
  @request_methods
end

#terminates ⇒ Object

Returns the value of attribute terminates.



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# File 'lib/usher/node.rb', line 14

def terminates
  @terminates
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/usher/node.rb', line 14

def value
  @value
end

Class Method Details

.root(route_set, request_methods) ⇒ Object 



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# File 'lib/usher/node.rb', line 57

def self.root(route_set, request_methods)
  root = self.new(route_set, nil)
  root.request_methods = request_methods
  root
end

Instance Method Details

#activate_greedy! ⇒ Object 



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# File 'lib/usher/node.rb', line 29

def activate_greedy!
  @greedy ||= Hash.new
end

#activate_normal! ⇒ Object 



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# File 'lib/usher/node.rb', line 25

def activate_normal!
  @normal ||= Hash.new
end

#activate_request! ⇒ Object 



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# File 'lib/usher/node.rb', line 33

def activate_request!
  @request ||= Hash.new
end

#add(route) ⇒ Object 



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# File 'lib/usher/node.rb', line 87

def add(route)
  route.paths.each do |path|
    set_path_with_destination(path)
  end
end

#delete(route) ⇒ Object 



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# File 'lib/usher/node.rb', line 93

def delete(route)
  route.paths.each do |path|
    set_path_with_destination(path, nil)
  end
end

#depth ⇒ Object 



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# File 'lib/usher/node.rb', line 49

def depth
  @depth ||= @parent.is_a?(Node) ? @parent.depth + 1 : 0
end

#find(usher, request_object, original_path, path, params = [], position = 0) ⇒ Object 



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# File 'lib/usher/node.rb', line 114

def find(usher, request_object, original_path, path, params = [], position = 0)
  if terminates? && (path.empty? || terminates.route.partial_match?)
    terminates.route.partial_match? ?
      Response.new(terminates, params, original_path[position, original_path.size], original_path[0, position]) :
      Response.new(terminates, params, nil, original_path)
  elsif !path.empty? && (greedy? && (match_with_result_output = greedy.match_with_result(whole_path = original_path[position, original_path.size])))
next_path, matched_part = match_with_result_output
    position += matched_part.size
    params << [next_path.value.name, whole_path.slice!(0, matched_part.size)]
    next_path.find(usher, request_object, original_path, whole_path.empty? ? whole_path : usher.splitter.url_split(whole_path), params, position)
  elsif !path.empty? && normal && (next_part = normal[part = path.shift] || normal[nil])
    position += part.size
    case next_part.value
    when Route::Variable::Glob
      params << [next_part.value.name, []] unless params.last && params.last.first == next_part.value.name
      while true
        if (next_part.value.look_ahead === part || (!usher.delimiter_chars.include?(part[0]) && next_part.value.regex_matcher && !next_part.value.regex_matcher.match(part)))
          path.unshift(part)
          position -= part.size
          if usher.delimiter_chars.include?(next_part.parent.value[0])
            path.unshift(next_part.parent.value)
            position -= next_part.parent.value.size
          end
          break
        elsif !usher.delimiter_chars.include?(part[0])
          next_part.value.valid!(part)
          params.last.last << part
        end
        if path.empty?
          break
        else
          part = path.shift
        end
      end
    when Route::Variable::Single
      var = next_part.value
      var.valid!(part)
      params << [var.name, part]
      until path.empty? || (var.look_ahead === path.first)
        next_path_part = path.shift
        position += next_path_part.size
        params.last.last << next_path_part
      end if var.look_ahead && usher.delimiter_chars.size > 1
    end
    next_part.find(usher, request_object, original_path, path, params, position)
  elsif request_method_type
    if (specific_node = request[request_object.send(request_method_type)]) && (ret = specific_node.find(usher, request_object, original_path, path.dup, params.dup, position))
      ret
    elsif (general_node = request[nil]) && (ret = general_node.find(usher, request_object, original_path, path.dup, params.dup, position))
      ret
    else
      nil
    end
  else
    nil
  end
end

#greedy? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/usher/node.rb', line 53

def greedy?
  @greedy && !@greedy.empty?
end

#pp ⇒ Object 



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# File 'lib/usher/node.rb', line 67

def pp
  $stdout << " " * depth
  $stdout << "#{terminates? ? '* ' : ''}#{depth}: #{value.inspect}\n"
  normal.each do |k,v|
    $stdout << " " * (depth + 1)
    $stdout << ". #{k.inspect} ==> \n"
    v.pp
  end if normal
  greedy.each do |k,v|
    $stdout << " " * (depth + 1)
    $stdout << "g #{k.inspect} ==> \n"
    v.pp
  end if greedy
  request.each do |k,v|
    $stdout << " " * (depth + 1)
    $stdout << "r #{k.inspect} ==> \n"
    v.pp
  end if request
end

#terminates? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/usher/node.rb', line 63

def terminates?
  @terminates
end

#unique_routes(node = self, routes = []) ⇒ Object 



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# File 'lib/usher/node.rb', line 99

def unique_routes(node = self, routes = [])
  routes << node.terminates.route if node.terminates
  node.normal.values.each do |v|
    unique_routes(v, routes)
  end if node.normal
  node.greedy.values.each do |v|
    unique_routes(v, routes)
  end if node.greedy
  node.request.values.each do |v|
    unique_routes(v, routes)
  end if node.request
  routes.uniq!
  routes
end

#upgrade_greedy! ⇒ Object 



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# File 'lib/usher/node.rb', line 41

def upgrade_greedy!
  @greedy = FuzzyHash.new(@greedy)
end

#upgrade_normal! ⇒ Object 



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# File 'lib/usher/node.rb', line 37

def upgrade_normal!
  @normal = FuzzyHash.new(@normal)
end

#upgrade_request! ⇒ Object 



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# File 'lib/usher/node.rb', line 45

def upgrade_request!
  @request = FuzzyHash.new(@request)
end