def instantiate(self, context):
context.push_string_writer(errors=False)
for primitive in self:
primitive.instantiate(context)
writer = context.pop_writer()
name = writer.get_result()
prefix, local = splitqname(name)
if prefix:
namespace = self.namespaces[prefix]
else:
namespace = None
context.namespaces = self.namespaces
targets = self.select.evaluate_as_nodeset(context)
if not targets:
raise XUpdateError(XUpdateError.INVALID_SELECT)
for target in targets:
parent = target.xml_parent
if target.xml_type == tree.attribute.xml_type:
parent.xml_attributes[namespace, name] = target.xml_value
elif target.xml_type == tree.processing_instruction.xml_type:
pi = tree.processing_instruction(name, target.xml_data)
parent.xml_replace-child(pi, target)
elif target.xml_type == tree.element.xml_type:
#FIXME: Use regular constructor. No more DOM factory
element = tree.element(namespace, name)
# Copy any existing attributes to the newly created element
if target.xml_attributes:
for (ns, qname), value in target.xml_attributes.iteritems():
element.xml_attributes[ns, qname] = value
# Now copy any children as well
while target.xml_first_child:
element.xml_append(target.xml_first_child)
parent.xml_replace(target, element)
return
def test_pi_inmutable_properties(self):
pi = tree.processing_instruction(
u'xml-stylesheet', u'href="classic.xsl" type="text/xml"')
inmutable = ['xml_following_sibling', 'xml_preceding_sibling']
for prop in inmutable:
self.assertRaises(AttributeError, setattr, pi, "%s" % prop,
u'spam')
return
def test_pi_inmutable_properties(self):
pi = tree.processing_instruction(
u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"')
inmutable = ['xml_following_sibling', 'xml_preceding_sibling']
for prop in inmutable:
self.assertRaises(AttributeError, setattr, pi, "%s" % prop, u'spam')
return
def test_pi_no_longer(self):
pi = tree.processing_instruction(
u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"')
old_methods = ['nodeName', 'nodeValue', 'target', 'data',
'previousSibling','nextSibling']
for old_method in old_methods:
self.assertRaises(AttributeError, getattr, pi, "%s" % old_method)
def test_pi_no_longer(self):
pi = tree.processing_instruction(
u'xml-stylesheet', u'href="classic.xsl" type="text/xml"')
old_methods = [
'nodeName', 'nodeValue', 'target', 'data', 'previousSibling',
'nextSibling'
]
for old_method in old_methods:
self.assertRaises(AttributeError, getattr, pi, "%s" % old_method)
def test_create_new_doc_pi(self):
EXPECTED = '<?xml-stylesheet href="classic.xsl" type="text/xml"?><A a="b">One</A>'
doc = tree.entity()
doc.xml_append(tree.processing_instruction(u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"'))
A = tree.element(None, u'A')
A.xml_attributes[u'a'] = u'b'
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
self.compare_output(doc, XMLDECL+EXPECTED)
return
def test_create_new_doc_pi(self):
EXPECTED = '<?xml-stylesheet href="classic.xsl" type="text/xml"?><A a="b">One</A>'
doc = tree.entity()
doc.xml_append(
tree.processing_instruction(u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"'))
A = tree.element(None, u'A')
A.xml_attributes[u'a'] = u'b'
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
self.compare_output(doc, XMLDECL + EXPECTED)
return
def test_pi_valid_properties(self):
### REVIEW new properties
new_operations = ['xml_data', 'xml_target',
'xml_following_sibling',
'xml_preceding_sibling']
pi = tree.processing_instruction(
u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"')
new_methods = [attr for attr in dir(pi) if attr.startswith('xml')]
for operation in new_operations:
self.assertTrue(operation in new_methods)
return
def test_pi_valid_properties(self):
### REVIEW new properties
new_operations = [
'xml_data', 'xml_target', 'xml_following_sibling',
'xml_preceding_sibling'
]
pi = tree.processing_instruction(
u'xml-stylesheet', u'href="classic.xsl" type="text/xml"')
new_methods = [attr for attr in dir(pi) if attr.startswith('xml')]
for operation in new_operations:
self.assertTrue(operation in new_methods)
return
def test_reading_building(self):
doc = tree.entity()
doc.xml_append(tree.processing_instruction(u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"'))
A = tree.element(None, u'A')
A.xml_attributes[u'a'] = u'b'
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
doc.xml_append(tree.comment(u"This is easy"))
doc2 = amara.parse('docs/whatsnew_doc1.xml')
output1 = cStringIO.StringIO()
output2 = cStringIO.StringIO()
xml_print(doc, stream=output1)
xml_print(doc2, stream=output2)
self.assertEqual(output1.getvalue(), output2.getvalue())
return
def test_reading_building(self):
doc = tree.entity()
doc.xml_append(
tree.processing_instruction(u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"'))
A = tree.element(None, u'A')
A.xml_attributes[u'a'] = u'b'
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
doc.xml_append(tree.comment(u"This is easy"))
doc2 = amara.parse('docs/whatsnew_doc1.xml')
output1 = cStringIO.StringIO()
output2 = cStringIO.StringIO()
xml_print(doc, stream=output1)
xml_print(doc2, stream=output2)
self.assertEqual(output1.getvalue(), output2.getvalue())
return
