Aluode/PerceptionLabPortable

1 2class Node(object):3    def __init__(self, tag, value, start_mark, end_mark):4        self.tag = tag5        self.value = value6        self.start_mark = start_mark7        self.end_mark = end_mark8    def __repr__(self):9        value = self.value10        #if isinstance(value, list):11        #    if len(value) == 0:12        #        value = '<empty>'13        #    elif len(value) == 1:14        #        value = '<1 item>'15        #    else:16        #        value = '<%d items>' % len(value)17        #else:18        #    if len(value) > 75:19        #        value = repr(value[:70]+u' ... ')20        #    else:21        #        value = repr(value)22        value = repr(value)23        return '%s(tag=%r, value=%s)' % (self.__class__.__name__, self.tag, value)24 25class ScalarNode(Node):26    id = 'scalar'27    def __init__(self, tag, value,28            start_mark=None, end_mark=None, style=None):29        self.tag = tag30        self.value = value31        self.start_mark = start_mark32        self.end_mark = end_mark33        self.style = style34 35class CollectionNode(Node):36    def __init__(self, tag, value,37            start_mark=None, end_mark=None, flow_style=None):38        self.tag = tag39        self.value = value40        self.start_mark = start_mark41        self.end_mark = end_mark42        self.flow_style = flow_style43 44class SequenceNode(CollectionNode):45    id = 'sequence'46 47class MappingNode(CollectionNode):48    id = 'mapping'49 50