module GirFFI::InfoExt::ITypeInfo
Extensions for GObjectIntrospection::ITypeInfo needed by GirFFI
Constants
- TAGS_NEEDING_C_TO_RUBY_CONVERSION
- TAGS_NEEDING_RUBY_TO_C_CONVERSION
- TAG_TO_WRAPPER_CLASS_MAP
Public Class Methods
flattened_tag_to_gtype_map()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 7 def self.flattened_tag_to_gtype_map @flattened_tag_to_gtype_map ||= { array: GObject::TYPE_ARRAY, c: GObject::TYPE_POINTER, gboolean: GObject::TYPE_BOOLEAN, ghash: GObject::TYPE_HASH_TABLE, gint32: GObject::TYPE_INT, gint64: GObject::TYPE_INT64, guint64: GObject::TYPE_UINT64, strv: GObject::TYPE_STRV, utf8: GObject::TYPE_STRING, void: GObject::TYPE_NONE } end
Public Instance Methods
argument_class_name()
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TODO: Use class rather than class name
# File lib/gir_ffi/info_ext/i_type_info.rb, line 92 def argument_class_name if tag == :interface interface.full_type_name else TAG_TO_WRAPPER_CLASS_MAP[flattened_tag] end end
element_type()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 36 def element_type case tag when :glist, :gslist, :array, :c enumerable_element_type when :ghash dictionary_element_type end end
extra_conversion_arguments()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 170 def extra_conversion_arguments case flattened_tag when :utf8, :void [flattened_tag] when :c [element_type, array_fixed_size] when :array, :ghash, :glist, :gslist, :ptr_array, :zero_terminated [element_type] else [] end end
flattened_tag()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 45 def flattened_tag case tag when :interface interface_type when :array flattened_array_type else tag end end
gtype()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 22 def gtype if tag == :interface return interface.gtype elsif (type = ITypeInfo.flattened_tag_to_gtype_map[flattened_tag]) return type else raise "Can't find GType for #{flattened_tag} pointer? = #{pointer?}" end end
interface_type()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 56 def interface_type tag == :interface && interface.info_type end
make_g_value()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 32 def make_g_value GObject::Value.for_gtype gtype end
needs_c_to_ruby_conversion_for_callbacks?()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 157 def needs_c_to_ruby_conversion_for_callbacks? [:callback, :enum].include?(flattened_tag) || needs_c_to_ruby_conversion_for_functions? end
needs_c_to_ruby_conversion_for_closures?()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 162 def needs_c_to_ruby_conversion_for_closures? [:array, :c, :ghash, :struct, :strv].include?(flattened_tag) end
needs_c_to_ruby_conversion_for_functions?()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 148 def needs_c_to_ruby_conversion_for_functions? TAGS_NEEDING_C_TO_RUBY_CONVERSION.include?(flattened_tag) end
needs_ruby_to_c_conversion_for_callbacks?()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 152 def needs_ruby_to_c_conversion_for_callbacks? [:enum].include?(flattened_tag) || needs_ruby_to_c_conversion_for_functions? end
needs_ruby_to_c_conversion_for_closures?()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 166 def needs_ruby_to_c_conversion_for_closures? [:array].include?(flattened_tag) end
needs_ruby_to_c_conversion_for_functions?()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 144 def needs_ruby_to_c_conversion_for_functions? TAGS_NEEDING_RUBY_TO_C_CONVERSION.include?(flattened_tag) end
tag_or_class()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 60 def tag_or_class base = case tag when:interface Builder.build_class interface when :ghash [tag, *element_type] else flattened_tag end if pointer? && tag != :utf8 && tag != :filename [:pointer, base] else base end end
to_callback_ffi_type()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 113 def to_callback_ffi_type return :pointer if pointer? case tag when :interface # TODO: Move this logic into interface case interface.info_type when :enum, :flags :int32 else :pointer end when :gboolean # TODO: Move this logic into TypeMap :bool else TypeMap.map_basic_type tag end end
to_ffi_type()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 100 def to_ffi_type return :pointer if pointer? case tag when :interface interface.to_ffi_type when :array [subtype_ffi_type(0), array_fixed_size] else TypeMap.map_basic_type tag end end
Private Instance Methods
dictionary_element_type()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 189 def dictionary_element_type [subtype_tag_or_class(0), subtype_tag_or_class(1)] end
enumerable_element_type()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 193 def enumerable_element_type subtype_tag_or_class 0 end
flattened_array_type()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 207 def flattened_array_type if zero_terminated? zero_terminated_array_type else array_type end end
subtype_ffi_type(index)
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 197 def subtype_ffi_type(index) subtype = param_type(index).to_ffi_type if subtype == :pointer # NOTE: Don't use pointer directly to appease JRuby. :"uint#{FFI.type_size(:pointer) * 8}" else subtype end end
subtype_tag_or_class(index)
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 185 def subtype_tag_or_class(index) param_type(index).tag_or_class end
zero_terminated_array_type()
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# File lib/gir_ffi/info_ext/i_type_info.rb, line 215 def zero_terminated_array_type case element_type when :utf8, :filename :strv else :zero_terminated end end