def read_object(self, debug_string: str = '') -> Optional[Object]:
"""
Creates and reads a new object from the stream
"""
guid = self.read_guid(debug_string)
res = REGISTRY.create_object(guid)
if res is not None:
self.log('** {} **'.format(res.__class__.__name__), 16)
else:
self.log('{} not found'.format(debug_string), 16)
if res is not None:
self.debug_depth += 1
version = 1
compatible_versions = res.compatible_versions()
if compatible_versions is not None:
version = self.read_ushort('version')
if version not in res.compatible_versions():
supported_versions = ','.join(
[str(v) for v in res.compatible_versions()])
raise UnsupportedVersionException(
'Cannot read {} version {}, only support version(s): {}'
.format(res.__class__.__name__, version,
supported_versions))
res.read(self, version)
self.log('ended {}'.format(res.__class__.__name__))
if self.debug:
print('')
self.debug_depth -= 1
return res
def check_handle(self, file_handle):
try:
guid_bin = binascii.hexlify(file_handle.read(16))
guid = REGISTRY.hex_to_guid(guid_bin)
# check first in unimplemented types
if guid in REGISTRY.NOT_IMPLEMENTED_GUIDS:
return GuidCodeMatch(file_handle.tell() - 16, 16, REGISTRY.NOT_IMPLEMENTED_GUIDS[guid])
obj = REGISTRY.create_object(guid)
if obj is None:
return None
return GuidCodeMatch(file_handle.tell() - 16, 16, str(obj.__class__.__name__))
except: # nopep8, pylint: disable=bare-except
pass
return None
def initialize_registry():
"""
Registers all known objects with the registry singleton
"""
REGISTRY.register(LineTemplate)
REGISTRY.register(CMYKColor)
REGISTRY.register(RgbColor)
REGISTRY.register(HSVColor)
REGISTRY.register(HSLColor)
REGISTRY.register(GrayColor)
REGISTRY.register(LineDecoration)
REGISTRY.register(SimpleLineDecoration)
REGISTRY.register(SimpleLineSymbolLayer)
REGISTRY.register(CartographicLineSymbolLayer)
REGISTRY.register(MarkerLineSymbolLayer)
REGISTRY.register(SimpleFillSymbolLayer)
REGISTRY.register(ColorSymbol)
REGISTRY.register(ArrowMarkerSymbolLayer)
REGISTRY.register(CharacterMarkerSymbolLayer)
REGISTRY.register(SimpleMarkerSymbolLayer)
REGISTRY.register(Font)
REGISTRY.register(FillSymbol)
REGISTRY.register(LineSymbol)
REGISTRY.register(MarkerSymbol)
REGISTRY.register(RandomColorRamp)
REGISTRY.register(PresetColorRamp)
REGISTRY.register(MultiPartColorRamp)
REGISTRY.register(AlgorithmicColorRamp)
REGISTRY.register(GradientFillSymbolLayer)
REGISTRY.register(LineFillSymbolLayer)
REGISTRY.register(MarkerFillSymbolLayer)
REGISTRY.register(HashLineSymbolLayer)
REGISTRY.register(PictureMarkerSymbolLayer)
def initialize_registry():
"""
Registers all known objects with the registry singleton
"""
REGISTRY.register(LineTemplate)
REGISTRY.register(CMYKColor)
REGISTRY.register(RgbColor)
REGISTRY.register(HSVColor)
REGISTRY.register(HSLColor)
REGISTRY.register(GrayColor)
REGISTRY.register(LineDecoration)
REGISTRY.register(SimpleLineDecoration)
REGISTRY.register(SimpleLineSymbolLayer)
REGISTRY.register(CartographicLineSymbolLayer)
REGISTRY.register(MarkerLineSymbolLayer)
REGISTRY.register(SimpleFillSymbolLayer)
REGISTRY.register(ArrowMarkerSymbolLayer)
REGISTRY.register(CharacterMarkerSymbolLayer)
REGISTRY.register(SimpleMarkerSymbolLayer)
REGISTRY.register(Font)
REGISTRY.register(FillSymbol)
REGISTRY.register(LineSymbol)
REGISTRY.register(MarkerSymbol)