class ResultElement(XsltElement):
"""
When an func:result element is instantiated, during the
instantiation of a func:function element, the function returns
with its value.
"""
content = ContentInfo.Template
legalAttrs = {
'select': AttributeInfo.Expression(),
}
doesSetup = doesPrime = True
def setup(self):
if not self._select:
self._select = RtfExpr(self.children)
return
def prime(self, processor, context):
self._function = None
current = self.parent
while current:
# this loop will stop when it hits the top of the tree
if current.expandedName == (EXSL_FUNCTIONS_NS, 'function'):
self._function = current
break
current = current.parent
if not self._function:
raise XsltRuntimeException(ExsltError.RESULT_NOT_IN_FUNCTION, self)
if not self.isLastChild():
siblings = self.parent.children
for node in siblings[siblings.index(self) + 1:]:
if node.expandedName != (XSL_NAMESPACE, 'fallback'):
raise XsltRuntimeException(
ExsltError.ILLEGAL_RESULT_SIBLINGS, self)
return
def instantiate(self, context, processor):
context.processorNss = self.namespaces
context.currentInstruction = self
self._function.result = self._select.evaluate(context)
return
class ResultElement(XsltElement):
"""
When an func:result element is instantiated, during the
instantiation of a func:function element, the function returns
with its value.
"""
content = ContentInfo.Template
legalAttrs = {
'select' : AttributeInfo.Expression(),
}
doesSetup = doesPrime = True
def setup(self):
if not self._select:
self._select = RtfExpr(self.children)
return
def prime(self, processor, context):
self._function = None
current = self.parent
while current:
# this loop will stop when it hits the top of the tree
if current.expandedName == (EXSL_FUNCTIONS_NS, 'function'):
self._function = current
break
current = current.parent
if not self._function:
raise XsltRuntimeException(ExsltError.RESULT_NOT_IN_FUNCTION, self)
if not self.isLastChild():
siblings = self.parent.children
for node in siblings[siblings.index(self)+1:]:
if node.expandedName != (XSL_NAMESPACE, 'fallback'):
raise XsltRuntimeException(ExsltError.ILLEGAL_RESULT_SIBLINGS,
self)
return
def instantiate(self, context, processor):
context.processorNss = self.namespaces
context.currentInstruction = self
self._function.result = self._select.evaluate(context)
return
def setup(self):
if not self._select:
self._select = RtfExpr(self.children)
return
def setup(self):
if not self._select:
self._select = RtfExpr(self.children)
return
