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//usr/lib/python2.4/site-packages/_xmlplus/xslt/ValueOfElement.py
######################################################################## # # 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