Class: GObjectIntrospection::CallableInfo

Inherits:
Object
  • Object
show all
Extended by:
CollectionReader
Defined in:
lib/gobject-introspection/callable-info.rb

Instance Method Summary collapse

Methods included from CollectionReader

collection_reader

Instance Method Details

#in_args ⇒ Object 



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# File 'lib/gobject-introspection/callable-info.rb', line 25

def in_args
  array_length_indexes = []
  callback_indexes = []
  closure_indexes = []
  destroy_indexes = []
  args.each_with_index do |arg, i|
    if arg.type.tag == TypeTag::ARRAY
      array_length = arg.type.array_length
      array_length_indexes << array_length if array_length != -1
    end

    unless arg.scope == ScopeType::INVALID
      callback_indexes << i
      closure_index = arg.closure
      closure_indexes << closure_index if closure_index != -1
      destroy_index = arg.destroy
      destroy_indexes << destroy_index if destroy_index != -1
    end
  end

  args.find_all.with_index do |arg, i|
    case arg.direction
    when Direction::IN, Direction::INOUT
      if array_length_indexes.include?(i)
        false
      elsif callback_indexes.include?(i)
        false
      elsif closure_indexes.include?(i)
        false
      elsif destroy_indexes.include?(i)
        false
      else
        true
      end
    else
      false
    end
  end
end

#n_in_args ⇒ Object 



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# File 'lib/gobject-introspection/callable-info.rb', line 71

def n_in_args
  in_args.size
end

#n_out_args ⇒ Object 



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# File 'lib/gobject-introspection/callable-info.rb', line 96

def n_out_args
  out_args.size
end

#n_required_in_args ⇒ Object 



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# File 'lib/gobject-introspection/callable-info.rb', line 75

def n_required_in_args
  required_in_args.size
end

#out_args ⇒ Object 



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# File 'lib/gobject-introspection/callable-info.rb', line 85

def out_args
  args.find_all do |arg|
    case arg.direction
    when Direction::OUT, Direction::INOUT
      true
    else
      false
    end
  end
end

#require_callback? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gobject-introspection/callable-info.rb', line 79

def require_callback?
  args.any? do |arg|
    arg.direction == Direction::IN and arg.scope != ScopeType::INVALID
  end
end

#required_in_args ⇒ Object 



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# File 'lib/gobject-introspection/callable-info.rb', line 65

def required_in_args
  in_args.reject do |arg|
    arg.may_be_null?
  end
end