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# File 'lib/gvariant.rb', line 281
def self.next_type(signature, index)
case signature[index]
when 'y'
GVariantByteType.new
when 'n'
GVariantSignedShortType.new
when 'q'
GVariantUnsignedShortType.new
when 'i'
GVariantSignedIntType.new
when 'u'
GVariantUnsignedIntType.new
when 'x'
GVariantSignedLongType.new
when 't'
GVariantUnsignedLongType.new
when 'd'
GVariantDoubleType.new
when 'b'
GVariantBooleanType.new
when 's', 'g', 'o'
GVariantStringType.new(signature[index])
when 'v'
GVariantVariantType.new
when 'm'
maybe_element = next_type(signature, index + 1)
raise ArgumentError.new("Invalid type string") unless maybe_element
GVariantMaybeType.new(signature[index, maybe_element.id.length + 1], maybe_element)
when 'a'
array_element = next_type(signature, index + 1)
raise ArgumentError.new("Invalid type string") unless array_element
GVariantArrayType.new(signature[index, array_element.id.length + 1], array_element)
when '{'
key_element = next_type(signature, index + 1)
value_element = next_type(signature, index + 1 + key_element.id.length)
raise ArgumentError.new("Invalid type string") unless key_element && value_element
GVariantDictionaryType.new(signature[index, key_element.id.length + value_element.id.length + 2], key_element, value_element)
when '('
sig_end = index + 1
elements = []
while signature[sig_end] != ')' do
e = next_type(signature, sig_end)
sig_end += e.id.length
elements << e
end
GVariantTupleType.new(signature[index..sig_end], elements)
end
end
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