Viewing file:  CopyElement.py (2.98 KB) -rw-r--r--
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########################################################################
#
# File Name: CopyElement.py
#
# Documentation: http://docs.4suite.org/4XSLT/CopyElement.py.html
#
"""
Implementation of the XSLT Spec copy stylesheet element.
WWW: http://4suite.org/4XSLT e-mail: support@4suite.org
Copyright (c) 1999-2001 Fourthought Inc, USA. All Rights Reserved.
See http://4suite.org/COPYRIGHT for license and copyright information
"""
from xml.dom import Node
from Ft.Xml import XMLNS_NAMESPACE, EMPTY_NAMESPACE
from Ft.Xml.Xslt import XsltElement, XsltRuntimeException, Error, XSL_NAMESPACE
from Ft.Xml.Xslt import CategoryTypes, ContentInfo, AttributeInfo
class CopyElement(XsltElement):
category = CategoryTypes.INSTRUCTION
content = ContentInfo.Template
legalAttrs = {
'use-attribute-sets' : AttributeInfo.QNames(),
}
def instantiate(self, context, processor):
context.processorNss = self.namespaces
node = context.node
if node.nodeType == Node.TEXT_NODE:
processor.writers[-1].text(node.data)
elif node.nodeType == Node.ELEMENT_NODE:
#FIXME: Use proper pysax AttributeList objects
extraNss = {}
for (namespace, local), attr in node.attributes.items():
# Namespace nodes are automatically copied as well
# See XSLT 1.0 Sect 7.5
if namespace == XMLNS_NAMESPACE:
extraNss[local] = attr.value
processor.writers[-1].startElement(node.nodeName,
node.namespaceURI,
extraNss)
for attr_set_name in self._use_attribute_sets:
try:
attr_set = processor.attributeSets[attr_set_name]
except KeyError:
raise XsltRuntimeException(Error.UNDEFINED_ATTRIBUTE_SET,
self, attr_set_name)
attr_set.instantiate(context, processor)
for child in self.children:
child.instantiate(context, processor)
processor.writers[-1].endElement(node.nodeName, node.namespaceURI)
elif node.nodeType == Node.DOCUMENT_NODE:
for child in self.children:
child.instantiate(context, processor)
elif node.nodeType == Node.ATTRIBUTE_NODE:
if node.namespaceURI != XMLNS_NAMESPACE:
processor.writers[-1].attribute(node.nodeName,
node.nodeValue,
node.namespaceURI)
elif node.nodeType == Node.PROCESSING_INSTRUCTION_NODE:
processor.writers[-1].processingInstruction(node.target, node.data)
elif node.nodeType == Node.COMMENT_NODE:
processor.writers[-1].comment(node.data)
else:
raise Exception("Unknown Node Type %d" % node.nodeType)
return
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