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
|
########################################################################
#
# File Name: ValueOfElement.py
#
#
"""
Implementation of the XSLT Spec import stylesheet element.
WWW: http://4suite.com/4XSLT e-mail: support@4suite.com
Copyright (c) 1999-2000 Fourthought Inc, USA. All Rights Reserved.
See http://4suite.com/COPYRIGHT for license and copyright information
"""
from xml.dom import EMPTY_NAMESPACE
import xml.dom.ext
import xml.dom.Element
from xml.xslt import XsltElement, XsltException, Error
from xml.xpath import XPathParser, CoreFunctions, Conversions
class ValueOfElement(XsltElement):
legalAttrs = ('select', 'disable-output-escaping')
def __init__(self, doc, uri=xml.xslt.XSL_NAMESPACE, localName='value-of', prefix='xsl', baseUri=''):
XsltElement.__init__(self, doc, uri, localName, prefix, baseUri)
def setup(self):
self.__dict__['_select'] = self.getAttributeNS(EMPTY_NAMESPACE, 'select')
if not self._select:
raise XsltException(Error.VALUEOF_MISSING_SELECT)
self.__dict__['_disable_output_escaping'] = self.getAttributeNS(EMPTY_NAMESPACE, 'disable-output-escaping') == 'yes'
self.__dict__['_nss'] = xml.dom.ext.GetAllNs(self)
parser = XPathParser.XPathParser()
self.__dict__['_expr'] = parser.parseExpression(self._select)
return
def instantiate(self, context, processor):
#original = context.processorNss
original = context.copy()
context.processorNss = self._nss
result = self._expr.evaluate(context)
text = Conversions.StringValue(result)
if self._disable_output_escaping:
processor.writers[-1].text(text, escapeOutput=0)
else:
processor.writers[-1].text(text)
#context.processorNss = original
context.set(original)
return (context,)
def __getinitargs__(self):
return (None, self.namespaceURI, self.localName, self.prefix,
self.baseUri)
def __getstate__(self):
base_state = XsltElement.__getstate__(self)
new_state = (base_state, self._nss, self._select,
self._disable_output_escaping, self._expr)
return new_state
def __setstate__(self, state):
XsltElement.__setstate__(self, state[0])
self._nss = state[1]
self._select = state[2]
self._disable_output_escaping = state[3]
self._expr = state[4]
return
|
