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Class: RBS::Namespace

Relationships & Source Files
Inherits: Object
Defined in: lib/rbs/namespace.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(path:, absolute:) ⇒ Namespace

[ GitHub ] 

  


# File 'lib/rbs/namespace.rb', line 7



def initialize(path:, absolute:)
  @path = path
  @absolute = absolute ? true : false
end


  







Class Method Details



  

    .empty  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 12



def self.empty
  @empty ||= new(path: [], absolute: false)
end


  








  

    .parse(string)  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 93



def self.parse(string)
  if string.start_with?("::")
    new(path: string.split("::").drop(1).map(&:to_sym), absolute: true)
  else
    new(path: string.split("::").map(&:to_sym), absolute: false)
  end
end


  








  

    .root  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 16



def self.root
  @root ||= new(path: [], absolute: true)
end


  







Instance Attribute Details



  

    #absolute?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 39



def absolute?
  @absolute
end


  








  

    #empty?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 55



def empty?
  path.empty?
end


  








  

    #path   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 5



attr_reader :path


  








  

    #relative?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 43



def relative?
  !absolute?
end


  







Instance Method Details



  

    #+(other)  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 20



def +(other)
  if other.absolute?
    other
  else
    self.class.new(path: path + other.path, absolute: absolute?)
  end
end


  








  

    #==(other)  
    Also known as: #eql?
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 59



def ==(other)
  other.is_a?(Namespace) && other.path == path && other.absolute? == absolute?
end


  








  

    #absolute!  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 47



def absolute!
  self.class.new(path: path, absolute: true)
end


  








  

    #append(component)  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 28



def append(component)
  self.class.new(path: path + [component], absolute: absolute?)
end


  








  

    #ascend  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 101



def ascend
  if block_given?
    current = self

    until current.empty?
      yield current
      current = _ = current.parent
    end

    yield current

    self
  else
    enum_for(:ascend)
  end
end


  








  

    #eql?(other)  
  



  

    

Alias for #==.


  



  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 63



alias eql? ==


  








  

    #hash  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 65



def hash
  path.hash ^ absolute?.hash
end


  








  

    #parent  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 32



def parent
  @parent ||= begin
    raise "Parent with empty namespace" if empty?
    self.class.new(path: path.take(path.size - 1), absolute: absolute?)
  end
end


  








  

    #relative!  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 51



def relative!
  self.class.new(path: path, absolute: false)
end


  








  

    #split  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 69



def split
  last = path.last or return
  parent = self.parent
  [parent, last]
end


  








  

    #to_s  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 75



def to_s
  if empty?
    absolute? ? "::" : ""
  else
    s = path.join("::")
    absolute? ? "::#{s}::" : "#{s}::"
  end
end


  








  

    #to_type_name  
  

  [ GitHub ]


  

  


# File 'lib/rbs/namespace.rb', line 84



def to_type_name
  parent, name = split

  raise unless name
  raise unless parent

  TypeName.new(name: name, namespace: parent)
end