Helper class for representing a D-Bus type.
Add a new member type a.
# File lib/dbus/type.rb, line 121 def <<(a) if not [STRUCT, ARRAY, DICT_ENTRY].member?(@sigtype) raise SignatureException end raise SignatureException if @sigtype == ARRAY and @members.size > 0 if @sigtype == DICT_ENTRY if @members.size == 2 raise SignatureException, "Dict entries have exactly two members" end if @members.size == 0 if [STRUCT, ARRAY, DICT_ENTRY].member?(a.sigtype) raise SignatureException, "Dict entry keys must be basic types" end end end @members << a end
Return the required alignment for the type.
# File lib/dbus/type.rb, line 81 def alignment { BYTE => 1, BOOLEAN => 4, INT16 => 2, UINT16 => 2, INT32 => 4, UINT32 => 4, INT64 => 8, UINT64 => 8, STRUCT => 8, DICT_ENTRY => 8, DOUBLE => 8, ARRAY => 4, VARIANT => 1, OBJECT_PATH => 4, STRING => 4, SIGNATURE => 1, }[@sigtype] end
Return the first contained member type.
# File lib/dbus/type.rb, line 140 def child @members[0] end
# File lib/dbus/type.rb, line 144 def inspect s = TypeName[@sigtype] if [STRUCT, ARRAY].member?(@sigtype) s += ": " + @members.inspect end s end
Return a string representation of the type according to the D-Bus specification.
# File lib/dbus/type.rb, line 104 def to_s case @sigtype when STRUCT "(" + @members.collect { |t| t.to_s }.join + ")" when ARRAY "a" + child.to_s when DICT_ENTRY "{" + @members.collect { |t| t.to_s }.join + "}" else if not TypeName.keys.member?(@sigtype) raise NotImplementedError end @sigtype.chr end end
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