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# frozen_string_literal: true
module GObjectIntrospection
# Wraps a GIConstantInfo struct; represents a constant.
class IConstantInfo < IBaseInfo
TYPE_TAG_TO_UNION_MEMBER = {
gboolean: :v_boolean,
gint8: :v_int8,
gint16: :v_int16,
gint32: :v_int32,
gint64: :v_int64,
guint8: :v_uint8,
guint16: :v_uint16,
guint32: :v_uint32,
guint64: :v_uint64,
gdouble: :v_double,
utf8: :v_string
}.freeze
def value
case type_tag
when :utf8
raw_value.force_encoding("utf-8")
when :gboolean
raw_value.nonzero? ? true : false
else
raw_value
end
end
def constant_type
@constant_type ||= ITypeInfo.wrap Lib.g_constant_info_get_type self
end
private
def type_tag
@type_tag ||= constant_type.tag
end
def raw_value
value_union = Lib::GIArgument.new
Lib.g_constant_info_get_value self, value_union
value_union[union_member_key]
end
def union_member_key
TYPE_TAG_TO_UNION_MEMBER[type_tag]
end
end
end
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