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########################################################################
#
# File Name: ElementElement.py
#
#
"""
Implementation of the XSLT Spec element 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
"""
import string
from xml.dom import EMPTY_NAMESPACE
import xml.dom.ext
import xml.dom.Element
import xml.xslt
from xml.xslt import XsltElement, XsltException, Error, AttributeValueTemplate
from xml.xpath import CoreFunctions, Util
class ElementElement(XsltElement):
legalAttrs = ('name', 'namespace', 'use-attribute-sets')
def __init__(self, doc, uri=xml.xslt.XSL_NAMESPACE, localName='element',
prefix='xsl', baseUri=''):
XsltElement.__init__(self, doc, uri, localName, prefix, baseUri)
def setup(self):
self.__dict__['_name'] = AttributeValueTemplate.AttributeValueTemplate(self.getAttributeNS(EMPTY_NAMESPACE, 'name'))
self.__dict__['_namespace'] = AttributeValueTemplate.AttributeValueTemplate(self.getAttributeNS(EMPTY_NAMESPACE, 'namespace'))
self.__dict__['_useAttributeSets'] = string.splitfields(self.getAttributeNS(EMPTY_NAMESPACE, 'use-attribute-sets'))
self.__dict__['_nss'] = xml.dom.ext.GetAllNs(self)
return
def instantiate(self, context, processor):
origState = context.copy()
context.setNamespaces(self._nss)
name = self._name.evaluate(context)
namespace = self._namespace.evaluate(context)
(prefix, local) = xml.dom.ext.SplitQName(name)
if not namespace and prefix:
namespace = context.processorNss[prefix]
#FIXME: Use proper pysax AttributeList objects
processor.writers[-1].startElement(name, namespace)
for attr_set_name in self._useAttributeSets:
split_name = Util.ExpandQName(attr_set_name, namespaces=context.processorNss)
try:
attr_set = processor.attributeSets[split_name]
except KeyError:
raise XsltException(Error.UNDEFINED_ATTRIBUTE_SET, attr_set_name)
attr_set.use(context, processor)
for child in self.childNodes:
context = child.instantiate(context, processor)[0]
processor.writers[-1].endElement(name)
context.set(origState)
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._name,
self._namespace, self._useAttributeSets)
return new_state
def __setstate__(self, state):
XsltElement.__setstate__(self, state[0])
self._nss = state[1]
self._name = state[2]
self._namespace = state[3]
self._useAttributeSets = state[4]
return
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