Class: DissociatedIntrospection::RubyClass

Inherits:
Object
  • Object
show all
Defined in:
lib/dissociated_introspection/ruby_class.rb

Defined Under Namespace

Classes: Def

Instance Method Summary collapse

Constructor Details

#initialize(source: nil, ast: nil) ⇒ RubyClass

Returns a new instance of RubyClass.



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# File 'lib/dissociated_introspection/ruby_class.rb', line 5

def initialize(source: nil, ast: nil)
  @source = source
  @ast    = ast
  if source.nil? && ast.nil?
    raise ArgumentError.new "#{self.class.name} require either source or ast to be given as named arguments."
  end
end

Instance Method Details

#change_class_name(class_name) ⇒ Object 



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# File 'lib/dissociated_introspection/ruby_class.rb', line 30

def change_class_name(class_name)
  reset_nodes
  nodes[0] = Parser::CurrentRuby.parse(class_name)
  new_ast  = ast.updated(nil, nodes, nil)
  self.class.new(ast: new_ast)
end

#class_begin ⇒ Object 



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# File 'lib/dissociated_introspection/ruby_class.rb', line 80

def class_begin
  find_class.children.find{|n| n.try(:type) == :begin}
end

#class_name ⇒ Object 



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# File 'lib/dissociated_introspection/ruby_class.rb', line 17

def class_name
  Unparser.unparse(find_class.to_a[0])
end

#defs ⇒ Object 



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# File 'lib/dissociated_introspection/ruby_class.rb', line 76

def defs
  class_begin.children.select { |n| n.try(:type) == :def }.map{|n| Def.new(ast: n)}
end

#has_parent_class? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dissociated_introspection/ruby_class.rb', line 25

def has_parent_class?
  return false if find_class.nil?
  find_class.to_a[1].try(:type) == :const
end

#is_class? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dissociated_introspection/ruby_class.rb', line 13

def is_class?
  ast.type == :class
end

#modify_parent_class(parent_class) ⇒ Object 



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# File 'lib/dissociated_introspection/ruby_class.rb', line 37

def modify_parent_class(parent_class)
  reset_nodes
  if has_parent_class?
    class_node    = find_class.to_a.dup
    class_node[1] = Parser::CurrentRuby.parse(parent_class.to_s)
    new_ast       = find_class.updated(nil, class_node, nil)
  else
    nodes[1] = nodes[0].updated(:const, [nil, parent_class.to_sym])
    new_ast  = ast.updated(nil, nodes, nil)
  end
  self.class.new(ast: new_ast)
end

#parent_class_name ⇒ Object 



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# File 'lib/dissociated_introspection/ruby_class.rb', line 21

def parent_class_name
  Unparser.unparse(find_class.to_a[1])
end

#scrub_inner_classes ⇒ Object 



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# File 'lib/dissociated_introspection/ruby_class.rb', line 88

def scrub_inner_classes
  self.class.new(ast: find_class.updated(find_class.type, class_begin.updated(class_begin.type, class_begin.children.reject { |n| n.try(:type) == :class })))
end

#to_ruby_str ⇒ Object 



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# File 'lib/dissociated_introspection/ruby_class.rb', line 84

def to_ruby_str
  Unparser.unparse(ast)
end

#wrap_in_modules(modules) ⇒ Object 



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# File 'lib/dissociated_introspection/ruby_class.rb', line 92

def wrap_in_modules(modules)
  return self if modules.nil? || modules.empty?
  ruby_string = to_ruby_str
  modules.split("::").reverse.each do |module_name|
    ruby_string = wrap_module(module_name, ruby_string)
  end
  wrapped_ast = Parser::CurrentRuby.parse(ruby_string)
  self.class.new(ast: wrapped_ast)
end