1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
########################################################################
#
# File Name: NamedNodeMap.py
#
#
"""
WWW: http://4suite.com/4DOM e-mail: support@4suite.com
Copyright (c) 2000 Fourthought Inc, USA. All Rights Reserved.
See http://4suite.com/COPYRIGHT for license and copyright information
"""
import UserDict
class _NamedNodeMapIter:
"""Iterator class for Python 2.2. The iterator function
is .next, the stop-iterator element is the iterator itself."""
def __init__(self,map):
self.pos = 0
self.map = map
def next(self):
try:
res = self.map[self.pos]
self.pos = self.pos + 1
return res
except IndexError:
return self
from xml.dom import Node
from xml.dom import EMPTY_NAMESPACE
from xml.dom import NoModificationAllowedErr
from xml.dom import NotFoundErr
from xml.dom import NotSupportedErr
from xml.dom import WrongDocumentErr
from xml.dom import InuseAttributeErr
from xml.dom import NamespaceErr
class NamedNodeMap(UserDict.UserDict):
def __init__(self, ownerDoc=None):
UserDict.UserDict.__init__(self)
self._ownerDocument = ownerDoc
self._positions = []
### Attribute Access Methods ###
def __getattr__(self, name):
if name == 'length':
return len(self)
return getattr(NamedNodeMap, name)
def __setattr__(self, name, value):
if name == 'length':
raise NoModificationAllowedErr()
self.__dict__[name] = value
### Attribute Methods ###
def _get_length(self):
return len(self)
### Methods ###
def item(self, index):
if 0 <= index < len(self):
return self[self._positions[int(index)]]
return None
def getNamedItem(self, name):
try:
return self[name]
except KeyError:
# fall-back to namespace API
return self.get((EMPTY_NAMESPACE, name))
def removeNamedItem(self, name):
old = self.get(name)
if not old:
# fall-back to namespace API
return self.removeNamedItemNS(EMPTY_NAMESPACE, name)
del self[name]
self._positions.remove(name)
return old
def setNamedItem(self, arg):
if self._ownerDocument != arg.ownerDocument:
raise WrongDocumentErr()
if arg.nodeType == Node.ATTRIBUTE_NODE and arg.ownerElement != None:
raise InuseAttributeErr()
name = arg.nodeName
retval = self.get(name)
UserDict.UserDict.__setitem__(self, name, arg)
if not retval:
retval = self.get((EMPTY_NAMESPACE, name))
if retval:
self._positions.remove((EMPTY_NAMESPACE, name))
del self[(EMPTY_NAMESPACE, name)]
self._positions.append(name)
return retval
def getNamedItemNS(self, namespaceURI, localName):
if namespaceURI == '':
raise NamespaceErr("Use None instead of '' for empty namespace")
return self.get((namespaceURI, localName))
def setNamedItemNS(self, arg):
if self._ownerDocument != arg.ownerDocument:
raise WrongDocumentErr()
if arg.nodeType == Node.ATTRIBUTE_NODE and arg.ownerElement != None:
raise InuseAttributeErr()
if arg.namespaceURI == '':
raise NamespaceErr("Use None instead of '' for empty namespace")
name = (arg.namespaceURI, arg.localName)
retval = self.get(name)
UserDict.UserDict.__setitem__(self, name, arg)
if not retval:
self._positions.append(name)
return retval
def removeNamedItemNS(self, namespaceURI, localName):
if namespaceURI == '':
raise NamespaceErr("Use None instead of '' for empty namespace")
name = (namespaceURI, localName)
old = self.get(name)
if not old:
raise NotFoundErr()
del self[name]
self._positions.remove(name)
return old
### Overridden Methods ###
def __getitem__(self, index):
if type(index) == type(0):
index = self._positions[index]
return UserDict.UserDict.__getitem__(self, index)
def __setitem__(self, index, item):
raise NotSupportedErr()
def __iter__(self):
i = _NamedNodeMapIter(self)
return iter(i.next, i)
def __repr__(self):
st = "<NamedNodeMap at %x: {" % (id(self))
for k in self.keys():
st = st + repr(k) + ': ' + repr(self[k]) + ', '
if len(self):
st = st[:-2]
return st + '}>'
### Internal Methods ###
def _4dom_setOwnerDocument(self, newOwner):
self._ownerDocument = newOwner
def _4dom_clone(self, owner):
nnm = self.__class__(owner)
for item in self:
if item.localName:
nnm.setNamedItemNS(item._4dom_clone(owner))
else:
nnm.setNamedItem(item._4dom_clone(owner))
return nnm
|
