def compose_sequence_node(self, anchor):
# type: (Any) -> Any
start_event = self.parser.get_event()
tag = start_event.tag
if tag is None or tag == u'!':
tag = self.resolver.resolve(SequenceNode, None, start_event.implicit)
node = SequenceNode(
tag,
[],
start_event.start_mark,
None,
flow_style=start_event.flow_style,
comment=start_event.comment,
anchor=anchor,
)
if anchor is not None:
self.anchors[anchor] = node
index = 0
while not self.parser.check_event(SequenceEndEvent):
node.value.append(self.compose_node(node, index))
index += 1
end_event = self.parser.get_event()
if node.flow_style is True and end_event.comment is not None:
if node.comment is not None:
nprint(
'Warning: unexpected end_event commment in sequence '
'node {}'.format(node.flow_style)
)
node.comment = end_event.comment
node.end_mark = end_event.end_mark
self.check_end_doc_comment(end_event, node)
return node
def emit(self, event):
if dbg(DBG_EVENT):
nprint(event)
self.events.append(event)
while not self.need_more_events():
self.event = self.events.pop(0)
self.state()
self.event = None
def emit(self, event):
if dbg(DBG_EVENT):
nprint(event)
self.events.append(event)
while not self.need_more_events():
self.event = self.events.pop(0)
self.state()
self.event = None
def serialize(self, node):
if dbg(DBG_NODE):
nprint('Serializing nodes')
node.dump()
if self.closed is None:
raise SerializerError("serializer is not opened")
elif self.closed:
raise SerializerError("serializer is closed")
self.emit(DocumentStartEvent(explicit=self.use_explicit_start,
version=self.use_version,
tags=self.use_tags))
self.anchor_node(node)
self.serialize_node(node, None, None)
self.emit(DocumentEndEvent(explicit=self.use_explicit_end))
self.serialized_nodes = {}
self.anchors = {}
self.last_anchor_id = 0
def serialize(self, node):
if dbg(DBG_NODE):
nprint('Serializing nodes')
node.dump()
if self.closed is None:
raise SerializerError("serializer is not opened")
elif self.closed:
raise SerializerError("serializer is closed")
self.emit(
DocumentStartEvent(explicit=self.use_explicit_start,
version=self.use_version,
tags=self.use_tags))
self.anchor_node(node)
self.serialize_node(node, None, None)
self.emit(DocumentEndEvent(explicit=self.use_explicit_end))
self.serialized_nodes = {}
self.anchors = {}
self.last_anchor_id = 0
