Module: GirFFI::BuilderHelper

Included in:
BaseTypeBuilder, Builder, GirFFI::Builders::ModuleBuilder
Defined in:
lib/gir_ffi/builder_helper.rb

Instance Method Summary collapse

Instance Method Details

#const_defined_for(parent, name) ⇒ Object 



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# File 'lib/gir_ffi/builder_helper.rb', line 3

def const_defined_for parent, name
  if RUBY_VERSION < "1.9"
    parent.const_defined? name
  else
    parent.const_defined? name, false
  end
end

#get_or_define_class(namespace, name, parent) ⇒ Object 



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# File 'lib/gir_ffi/builder_helper.rb', line 19

def get_or_define_class namespace, name, parent
  optionally_define_constant(namespace, name) { Class.new parent }
end

#get_or_define_module(parent, name) ⇒ Object 



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# File 'lib/gir_ffi/builder_helper.rb', line 23

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

#optionally_define_constant(parent, name) ⇒ Object 



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# File 'lib/gir_ffi/builder_helper.rb', line 11

def optionally_define_constant parent, name
  if const_defined_for parent, name
    parent.const_get name
  else
    parent.const_set name, yield
  end
end