def _run(self, node, parameters=None, result=None):
"""
Runs the stylesheet processor against the given XML DOM node with the
stylesheets that have been registered. It does not mutate the source.
If writer is given, it is used in place of the default output method
decisions for choosing the proper writer.
"""
#QUESTION: What about ws stripping?
#ANSWER: Whitespace stripping happens only in the run*() interfaces.
# This method is use-at-your-own-risk. The XSLT conformance of the
# source is maintained by the caller. This exists as a performance
# hook.
parameters = parameters or {}
self.attributeSets = {}
self.keys = {}
#See f:chain-to extension element
self.chainTo = None
self.chainParams = None
if not self.transform:
raise XsltError(XsltError.NO_STYLESHEET)
# Use an internal result to gather the output only if the caller
# didn't supply other means of retrieving it.
if result is None:
result = stringresult()
result.parameters = self.transform.output_parameters
assert result.writer
# Initialize any stylesheet parameters
initial_variables = parameters.copy()
for name in parameters:
if name not in self.transform.parameters:
del initial_variables[name]
# Prepare the stylesheet for processing
context = xsltcontext.xsltcontext(node,
variables=initial_variables,
transform=self.transform,
processor=self,
extfunctions=self._extfunctions,
output_parameters=result.parameters)
context.add_document(node, node.xml_base)
context.push_writer(result.writer)
self.transform.root.prime(context)
# Process the document
try:
self.transform.apply_templates(context, [node])
except XPathError, e:
raise
instruction = context.instruction
strerror = str(e)
e.message = MessageSource.EXPRESSION_POSITION_INFO % (
instruction.baseUri, instruction.lineNumber,
instruction.columnNumber, instruction.nodeName, strerror)
raise
def _run(self, node, parameters=None, result=None):
"""
Runs the stylesheet processor against the given XML DOM node with the
stylesheets that have been registered. It does not mutate the source.
If writer is given, it is used in place of the default output method
decisions for choosing the proper writer.
"""
#QUESTION: What about ws stripping?
#ANSWER: Whitespace stripping happens only in the run*() interfaces.
# This method is use-at-your-own-risk. The XSLT conformance of the
# source is maintained by the caller. This exists as a performance
# hook.
parameters = parameters or {}
self.attributeSets = {}
self.keys = {}
#See f:chain-to extension element
self.chainTo = None
self.chainParams = None
if not self.transform:
raise XsltError(XsltError.NO_STYLESHEET)
# Use an internal result to gather the output only if the caller
# didn't supply other means of retrieving it.
if result is None:
result = stringresult()
result.parameters = self.transform.output_parameters
assert result.writer
# Initialize any stylesheet parameters
initial_variables = parameters.copy()
for name in parameters:
if name not in self.transform.parameters:
del initial_variables[name]
# Prepare the stylesheet for processing
context = xsltcontext.xsltcontext(node,
variables=initial_variables,
transform=self.transform,
processor=self,
extfunctions=self._extfunctions,
output_parameters=result.parameters)
context.add_document(node, node.xml_base)
context.push_writer(result.writer)
self.transform.root.prime(context)
# Process the document
try:
self.transform.apply_templates(context, [node])
except XPathError, e:
raise
instruction = context.instruction
strerror = str(e)
e.message = MessageSource.EXPRESSION_POSITION_INFO % (
instruction.baseUri, instruction.lineNumber,
instruction.columnNumber, instruction.nodeName, strerror)
raise
def __missing__(self, key):
assert isinstance(key, tree.entity), key
values = collections.defaultdict(set)
context = xsltcontext.xsltcontext(key, 1, 1)
for value, node in self._match_nodes(context, [key]):
values[value].add(node)
# Now store the unique nodes as an XPath nodeset
values = self[key] = dict(values)
for value, nodes in values.iteritems():
values[value] = datatypes.nodeset(nodes)
return values
def __missing__(self, key):
assert isinstance(key, tree.entity), key
values = collections.defaultdict(set)
context = xsltcontext.xsltcontext(key, 1, 1)
for value, node in self._match_nodes(context, [key]):
values[value].add(node)
# Now store the unique nodes as an XPath nodeset
values = self[key] = dict(values)
for value, nodes in values.iteritems():
values[value] = datatypes.nodeset(nodes)
return values
