Viewing file:  AttributeSetElement.py (2 KB) -rw-r--r--
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########################################################################
#
# File Name: AttributeSetElement.py
#
# Documentation: http://docs.4suite.org/4XSLT/AttributeSetElement.py.html
#
"""
Implementation of the XSLT Spec attribute-set 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 Ft.Xml import EMPTY_NAMESPACE
from Ft.Xml.Xslt import XsltElement, XsltRuntimeException, Error, XSL_NAMESPACE
from Ft.Xml.Xslt import CategoryTypes, AttributeInfo, ContentInfo
class AttributeSetElement(XsltElement):
category = CategoryTypes.TOP_LEVEL_ELEMENT
content = ContentInfo.Rep(ContentInfo.QName(XSL_NAMESPACE, 'xsl:attribute'))
legalAttrs = {
'name' : AttributeInfo.QName(required=1),
'use-attribute-sets' : AttributeInfo.QNames(),
}
doesPrime = 1
def prime(self, processor, context):
processor.attributeSets[self._name] = self
return
def instantiate(self, context, processor, used=None):
if used is None:
used = []
if self in used:
raise XsltRuntimeException(Error.CIRCULAR_ATTRIBUTE_SET,
self, self._name)
else:
used.append(self)
old_vars = context.varBindings
context.varBindings = processor.stylesheet.getGlobalVariables()
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, used)
for child in self.children:
child.instantiate(context, processor)
context.varBindings = old_vars
used.remove(self)
return
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