def _accept_mapping(self, anchor, sink_node):
start_event = self._event_next()
tag = self._resolve_tag(start_event.tag, MappingNode, None, start_event.implicit)
start_event.tag = tag
yield start_event
node = MappingNode(tag, [], start_event.start_mark, None,
flow_style=start_event.flow_style)
self._set_anchor(anchor, node)
while not self._event_peek_isa(MappingEndEvent):
sink_key = _Sink()
sink_value = _Sink()
if self._settings.with_extra_events:
mark = self._event_peek().start_mark
yield PairStartEvent(mark)
yield PairKeyStartEvent(mark)
for ee in self._accept_any_value(node, None, sink_key): yield ee
if self._settings.with_extra_events:
mark = self._event_peek().start_mark
yield PairKeyEndEvent(mark)
yield PairValueStartEvent(mark)
for ee in self._accept_any_value(node, sink_key.value,
sink_value): yield ee
if self._settings.with_extra_events:
mark = self._event_peek().start_mark
yield PairValueEndEvent(mark)
yield PairEndEvent(mark)
if self._settings.composing_fully:
node.value.append((sink_key.value, sink_value.value))
end_event = self._event_next()
yield end_event
node.end_mark = end_event.end_mark
_put(sink_node, node)
