Contents

# frozen_string_literal: true

module GLib
  # Common methods for GLib::Array and GLib::PtrArray
  module ArrayMethods
    # Re-implementation of the g_array_index and g_ptr_array_index macros
    def index(idx)
      unless (0...length).cover? idx
        raise IndexError, "Index #{idx} outside of bounds 0..#{length - 1}"
      end

      ptr = GirFFI::InOutPointer.new element_type, data_ptr + idx * element_size
      ptr.to_ruby_value
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
gir_ffi-0.14.1	lib/ffi-glib/array_methods.rb
gir_ffi-0.14.0	lib/ffi-glib/array_methods.rb
gir_ffi-0.13.1	lib/ffi-glib/array_methods.rb