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|
# coding: utf-8
from __future__ import print_function
import sys
from .compat import string_types
if False: # MYPY
from typing import Dict, Any, Text # NOQA
class Node(object):
__slots__ = 'tag', 'value', 'start_mark', 'end_mark', 'comment', 'anchor'
def __init__(self, tag, value, start_mark, end_mark, comment=None):
# type: (Any, Any, Any, Any, Any) -> None
self.tag = tag
self.value = value
self.start_mark = start_mark
self.end_mark = end_mark
self.comment = comment
self.anchor = None
def __repr__(self):
# type: () -> str
value = self.value
# if isinstance(value, list):
# if len(value) == 0:
# value = '<empty>'
# elif len(value) == 1:
# value = '<1 item>'
# else:
# value = '<%d items>' % len(value)
# else:
# if len(value) > 75:
# value = repr(value[:70]+u' ... ')
# else:
# value = repr(value)
value = repr(value)
return '%s(tag=%r, value=%s)' % (self.__class__.__name__, self.tag, value)
def dump(self, indent=0):
# type: (int) -> None
if isinstance(self.value, string_types):
sys.stdout.write(
'{}{}(tag={!r}, value={!r})\n'.format(
' ' * indent, self.__class__.__name__, self.tag, self.value
)
)
if self.comment:
sys.stdout.write(' {}comment: {})\n'.format(' ' * indent, self.comment))
return
sys.stdout.write(
'{}{}(tag={!r})\n'.format(' ' * indent, self.__class__.__name__, self.tag))
if self.comment:
sys.stdout.write(' {}comment: {})\n'.format(' ' * indent, self.comment))
for v in self.value:
if isinstance(v, tuple):
for v1 in v:
v1.dump(indent + 1)
elif isinstance(v, Node):
v.dump(indent + 1)
else:
sys.stdout.write('Node value type? {}\n'.format(type(v)))
class ScalarNode(Node):
"""
styles:
? -> set() ? key, no value
" -> double quoted
' -> single quoted
| -> literal style
> -> folding style
"""
__slots__ = ('style',)
id = 'scalar'
def __init__(self, tag, value, start_mark=None, end_mark=None, style=None, comment=None):
# type: (Any, Any, Any, Any, Any, Any) -> None
Node.__init__(self, tag, value, start_mark, end_mark, comment=comment)
self.style = style
class CollectionNode(Node):
__slots__ = 'flow_style', 'anchor'
def __init__(
self,
tag,
value,
start_mark=None,
end_mark=None,
flow_style=None,
comment=None,
anchor=None,
):
# type: (Any, Any, Any, Any, Any, Any, Any) -> None
Node.__init__(self, tag, value, start_mark, end_mark, comment=comment)
self.flow_style = flow_style
self.anchor = anchor
class SequenceNode(CollectionNode):
__slots__ = ()
id = 'sequence'
class MappingNode(CollectionNode):
__slots__ = ('merge',)
id = 'mapping'
def __init__(
self,
tag,
value,
start_mark=None,
end_mark=None,
flow_style=None,
comment=None,
anchor=None,
):
# type: (Any, Any, Any, Any, Any, Any, Any) -> None
CollectionNode.__init__(
self, tag, value, start_mark, end_mark, flow_style, comment, anchor
)
self.merge = None
|
