def _GetYAMLEvents(self):
events = []
events.append(yaml.MappingStartEvent(anchor = None, tag = None, implicit = True, flow_style = False))
# Serialize all properties to yaml pairs
sorted_keys = sorted(self._ALL_PROPERTIES.keys())
for k in sorted_keys:
if k == 'children' and self.HasChildren():
events.append(yaml.ScalarEvent(anchor = None, tag = None, implicit = (True, True), value = 'children'))
events.append(yaml.SequenceStartEvent(anchor = None, tag = None, implicit = (True, True)))
for child in self.GetChildren():
events.extend(child._GetYAMLEvents())
events.append(yaml.SequenceEndEvent())
else:
val = str(self._properties[k])
# Escape input. This must be symmetric with __init__ when loading initial properties
val = val.replace('"', '\\"').replace('\n', '\\n').replace('\r', '\\r')
# val = val.replace("'","\\'")
events.extend([yaml.ScalarEvent(anchor = None, tag = None, implicit = (True, True), value = str(k)),
yaml.ScalarEvent(anchor = None, tag = None, implicit = (True, True), value = val),
])
events.append(yaml.MappingEndEvent())
return events
def parse_sequence(self):
self.get_token(yaml.FlowSequenceStartToken)
if not self.check_token(yaml.FlowSequenceEndToken):
self.parse_node()
while not self.check_token(yaml.FlowSequenceEndToken):
self.get_token(yaml.FlowEntryToken)
if not self.check_token(yaml.FlowSequenceEndToken):
self.parse_node()
self.get_token(yaml.FlowSequenceEndToken)
self.events.append(yaml.SequenceEndEvent(None, None))
def _case_yaml_events(self, content_events):
yield yaml.StreamStartEvent()
yield yaml.DocumentStartEvent(explicit=True)
yield yaml.SequenceStartEvent(None,
None,
implicit=True,
flow_style=False)
yield from content_events
yield yaml.SequenceEndEvent()
yield yaml.DocumentEndEvent()
yield yaml.StreamEndEvent()
def _StoreYAMLToStream(self, stream):
events = [
yaml.StreamStartEvent(encoding='ascii'),
yaml.DocumentStartEvent(explicit=True),
yaml.SequenceStartEvent(anchor=None,
tag=None,
implicit=True,
flow_style=False),
]
# Serialize all elements in order
for e in self.__elements:
events.extend(e._GetYAMLEvents())
events.extend([
yaml.SequenceEndEvent(),
yaml.DocumentEndEvent(explicit=True),
yaml.StreamEndEvent(),
])
yaml.emit(events, stream)
