class GirFFI::Builders::ObjectBuilder

Implements the creation of a class representing a GObject Object.

Public Instance Methods

ancestor_infos() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 38
def ancestor_infos
  @ancestor_infos ||= [info] + info.interfaces + parent_ancestor_infos
end
eligible_properties() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 42
def eligible_properties
  info.properties.reject do |pinfo|
    info.find_instance_method("get_#{pinfo.name}")
  end
end
find_property(property_name) click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 30
def find_property(property_name)
  seek_in_ancestor_infos { |info| info.find_property property_name }
end
find_signal(signal_name) click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 26
def find_signal(signal_name)
  seek_in_ancestor_infos { |info| info.find_signal signal_name }
end
object_class_struct() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 34
def object_class_struct
  @object_class_struct ||= Builder.build_class object_class_struct_info
end

Protected Instance Methods

object_class_struct_info() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 50
def object_class_struct_info
  @object_class_struct_info ||=
    info.class_struct || parent_builder.object_class_struct_info
end

Private Instance Methods

define_abstract_initializer() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 126
      def define_abstract_initializer
        klass.class_eval <<-RUBY, __FILE__, __LINE__ + 1
          def initialize(*)
            raise NoMethodError
          end
        RUBY
      end
define_default_initializer() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 134
      def define_default_initializer
        klass.class_eval <<-RUBY, __FILE__, __LINE__ + 1
          def initialize(properties = {})
            base_initialize(properties)
          end
        RUBY
      end
define_vfunc_invoker(vfunc_name, invoker_name) click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 106
      def define_vfunc_invoker(vfunc_name, invoker_name)
        return if vfunc_name == invoker_name

        klass.class_eval <<-DEF, __FILE__, __LINE__ + 1
          def #{vfunc_name} *args, &block
            #{invoker_name}(*args, &block)
          end
        DEF
      end
interfaces() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 148
def interfaces
  info.interfaces.map do |ifinfo|
    GirFFI::Builder.build_class ifinfo
  end
end
layout_superclass() click to toggle source

FIXME: Private method only used in subclass

# File lib/gir_ffi/builders/object_builder.rb, line 68
def layout_superclass
  GirFFI::Struct
end
parent_ancestor_infos() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 88
def parent_ancestor_infos
  @parent_ancestor_infos ||= parent_builder.ancestor_infos
end
parent_builder() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 80
def parent_builder
  @parent_builder ||= if parent_info
                        Builders::TypeBuilder.builder_for(parent_info)
                      else
                        ObjectBaseBuilder.new
                      end
end
parent_info() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 72
def parent_info
  info.parent
end
seek_in_ancestor_infos() { |info| ... } click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 154
def seek_in_ancestor_infos
  ancestor_infos.each do |info|
    item = yield info
    return item if item
  end
  nil
end
setup_class() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 57
def setup_class
  setup_layout
  setup_constants
  stub_methods
  setup_property_accessors
  setup_vfunc_invokers
  setup_interfaces
  setup_initializer
end
setup_initializer() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 116
def setup_initializer
  return if info.find_method "new"

  if info.abstract?
    define_abstract_initializer
  else
    define_default_initializer
  end
end
setup_interfaces() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 142
def setup_interfaces
  interfaces.each do |iface|
    klass.send :include, iface
  end
end
setup_property_accessors() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 92
def setup_property_accessors
  eligible_properties.each do |prop|
    PropertyBuilder.new(prop).build
  end
end
setup_vfunc_invokers() click to toggle source

TODO: Guard agains accidental invocation of undefined vfuncs. TODO: Create object responsible for creating these invokers

# File lib/gir_ffi/builders/object_builder.rb, line 100
def setup_vfunc_invokers
  info.vfuncs.each do |vfinfo|
    define_vfunc_invoker vfinfo.name, vfinfo.invoker_name if vfinfo.has_invoker?
  end
end
superclass() click to toggle source
# File lib/gir_ffi/builders/object_builder.rb, line 76
def superclass
  @superclass ||= parent_builder.build_class
end