source: trunk/packages/pyyaml/lib/yaml/nodes.py @ 1792

Last change on this file since 1792 was 898, checked in by hartmans, 16 years ago

Add pyyaml and libyaml packages
backported from lenny.
There is discussion about how these should go in the repository; these are added in this form
in order to make forward progress.

File size: 1.4 KB
Line 
1
2class Node(object):
3    def __init__(self, tag, value, start_mark, end_mark):
4        self.tag = tag
5        self.value = value
6        self.start_mark = start_mark
7        self.end_mark = end_mark
8    def __repr__(self):
9        value = self.value
10        #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 = tag
30        self.value = value
31        self.start_mark = start_mark
32        self.end_mark = end_mark
33        self.style = style
34
35class CollectionNode(Node):
36    def __init__(self, tag, value,
37            start_mark=None, end_mark=None, flow_style=None):
38        self.tag = tag
39        self.value = value
40        self.start_mark = start_mark
41        self.end_mark = end_mark
42        self.flow_style = flow_style
43
44class SequenceNode(CollectionNode):
45    id = 'sequence'
46
47class MappingNode(CollectionNode):
48    id = 'mapping'
49
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