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158 lines
3.8 KiB
158 lines
3.8 KiB
# coding: utf-8
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# Abstract classes.
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if False: # MYPY
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from typing import Any, Dict, Optional, List # NOQA
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def CommentCheck():
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# type: () -> None
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pass
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class Event(object):
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__slots__ = 'start_mark', 'end_mark', 'comment'
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def __init__(self, start_mark=None, end_mark=None, comment=CommentCheck):
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# type: (Any, Any, Any) -> None
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self.start_mark = start_mark
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self.end_mark = end_mark
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# assert comment is not CommentCheck
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if comment is CommentCheck:
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comment = None
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self.comment = comment
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def __repr__(self):
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# type: () -> Any
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attributes = [
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key
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for key in ['anchor', 'tag', 'implicit', 'value', 'flow_style', 'style']
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if hasattr(self, key)
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]
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arguments = ', '.join(['%s=%r' % (key, getattr(self, key)) for key in attributes])
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if self.comment not in [None, CommentCheck]:
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arguments += ', comment={!r}'.format(self.comment)
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return '%s(%s)' % (self.__class__.__name__, arguments)
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class NodeEvent(Event):
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__slots__ = ('anchor',)
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def __init__(self, anchor, start_mark=None, end_mark=None, comment=None):
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# type: (Any, Any, Any, Any) -> None
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Event.__init__(self, start_mark, end_mark, comment)
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self.anchor = anchor
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class CollectionStartEvent(NodeEvent):
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__slots__ = 'tag', 'implicit', 'flow_style', 'nr_items'
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def __init__(
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self,
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anchor,
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tag,
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implicit,
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start_mark=None,
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end_mark=None,
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flow_style=None,
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comment=None,
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nr_items=None,
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):
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# type: (Any, Any, Any, Any, Any, Any, Any, Optional[int]) -> None
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NodeEvent.__init__(self, anchor, start_mark, end_mark, comment)
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self.tag = tag
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self.implicit = implicit
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self.flow_style = flow_style
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self.nr_items = nr_items
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class CollectionEndEvent(Event):
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__slots__ = ()
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# Implementations.
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class StreamStartEvent(Event):
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__slots__ = ('encoding',)
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def __init__(self, start_mark=None, end_mark=None, encoding=None, comment=None):
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# type: (Any, Any, Any, Any) -> None
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Event.__init__(self, start_mark, end_mark, comment)
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self.encoding = encoding
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class StreamEndEvent(Event):
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__slots__ = ()
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class DocumentStartEvent(Event):
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__slots__ = 'explicit', 'version', 'tags'
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def __init__(
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self,
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start_mark=None,
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end_mark=None,
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explicit=None,
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version=None,
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tags=None,
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comment=None,
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):
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# type: (Any, Any, Any, Any, Any, Any) -> None
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Event.__init__(self, start_mark, end_mark, comment)
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self.explicit = explicit
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self.version = version
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self.tags = tags
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class DocumentEndEvent(Event):
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__slots__ = ('explicit',)
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def __init__(self, start_mark=None, end_mark=None, explicit=None, comment=None):
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# type: (Any, Any, Any, Any) -> None
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Event.__init__(self, start_mark, end_mark, comment)
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self.explicit = explicit
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class AliasEvent(NodeEvent):
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__slots__ = ()
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class ScalarEvent(NodeEvent):
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__slots__ = 'tag', 'implicit', 'value', 'style'
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def __init__(
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self,
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anchor,
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tag,
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implicit,
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value,
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start_mark=None,
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end_mark=None,
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style=None,
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comment=None,
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):
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# type: (Any, Any, Any, Any, Any, Any, Any, Any) -> None
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NodeEvent.__init__(self, anchor, start_mark, end_mark, comment)
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self.tag = tag
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self.implicit = implicit
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self.value = value
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self.style = style
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class SequenceStartEvent(CollectionStartEvent):
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__slots__ = ()
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class SequenceEndEvent(CollectionEndEvent):
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__slots__ = ()
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class MappingStartEvent(CollectionStartEvent):
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__slots__ = ()
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class MappingEndEvent(CollectionEndEvent):
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__slots__ = ()
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