Contents

# frozen_string_literal: true

module GirFFI
  # Set of helper methods used in the builders.
  module BuilderHelper
    def optionally_define_constant(parent, name)
      if parent.const_defined? name, false
        parent.const_get name
      else
        parent.const_set name, yield
      end
    end

    def get_or_define_class(namespace, name, parent = nil)
      klass = optionally_define_constant(namespace, name) do
        parent ||= yield
        Class.new parent
      end
      if parent && klass.superclass != parent
        raise "Expected #{klass} to have superclass #{parent}, found #{klass.superclass}"
      end

      klass
    end

    def get_or_define_module(parent, name)
      optionally_define_constant(parent, name) { Module.new }
    end
  end
end

Version data entries

10 entries across 10 versions & 1 rubygems

Version	Path
gir_ffi-0.18.0	lib/gir_ffi/builder_helper.rb
gir_ffi-0.17.0	lib/gir_ffi/builder_helper.rb
gir_ffi-0.16.1	lib/gir_ffi/builder_helper.rb
gir_ffi-0.16.0	lib/gir_ffi/builder_helper.rb
gir_ffi-0.15.9	lib/gir_ffi/builder_helper.rb
gir_ffi-0.15.8	lib/gir_ffi/builder_helper.rb
gir_ffi-0.15.7	lib/gir_ffi/builder_helper.rb
gir_ffi-0.15.6	lib/gir_ffi/builder_helper.rb
gir_ffi-0.15.5	lib/gir_ffi/builder_helper.rb
gir_ffi-0.15.4	lib/gir_ffi/builder_helper.rb