--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-win32-2.6.1/lib/xml/dom/minidom.py Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,1941 @@
+"""\
+minidom.py -- a lightweight DOM implementation.
+
+parse("foo.xml")
+
+parseString("<foo><bar/></foo>")
+
+Todo:
+=====
+ * convenience methods for getting elements and text.
+ * more testing
+ * bring some of the writer and linearizer code into conformance with this
+ interface
+ * SAX 2 namespaces
+"""
+
+import xml.dom
+
+from xml.dom import EMPTY_NAMESPACE, EMPTY_PREFIX, XMLNS_NAMESPACE, domreg
+from xml.dom.minicompat import *
+from xml.dom.xmlbuilder import DOMImplementationLS, DocumentLS
+
+# This is used by the ID-cache invalidation checks; the list isn't
+# actually complete, since the nodes being checked will never be the
+# DOCUMENT_NODE or DOCUMENT_FRAGMENT_NODE. (The node being checked is
+# the node being added or removed, not the node being modified.)
+#
+_nodeTypes_with_children = (xml.dom.Node.ELEMENT_NODE,
+ xml.dom.Node.ENTITY_REFERENCE_NODE)
+
+
+class Node(xml.dom.Node):
+ namespaceURI = None # this is non-null only for elements and attributes
+ parentNode = None
+ ownerDocument = None
+ nextSibling = None
+ previousSibling = None
+
+ prefix = EMPTY_PREFIX # non-null only for NS elements and attributes
+
+ def __nonzero__(self):
+ return True
+
+ def toxml(self, encoding = None):
+ return self.toprettyxml("", "", encoding)
+
+ def toprettyxml(self, indent="\t", newl="\n", encoding = None):
+ # indent = the indentation string to prepend, per level
+ # newl = the newline string to append
+ writer = _get_StringIO()
+ if encoding is not None:
+ import codecs
+ # Can't use codecs.getwriter to preserve 2.0 compatibility
+ writer = codecs.lookup(encoding)[3](writer)
+ if self.nodeType == Node.DOCUMENT_NODE:
+ # Can pass encoding only to document, to put it into XML header
+ self.writexml(writer, "", indent, newl, encoding)
+ else:
+ self.writexml(writer, "", indent, newl)
+ return writer.getvalue()
+
+ def hasChildNodes(self):
+ if self.childNodes:
+ return True
+ else:
+ return False
+
+ def _get_childNodes(self):
+ return self.childNodes
+
+ def _get_firstChild(self):
+ if self.childNodes:
+ return self.childNodes[0]
+
+ def _get_lastChild(self):
+ if self.childNodes:
+ return self.childNodes[-1]
+
+ def insertBefore(self, newChild, refChild):
+ if newChild.nodeType == self.DOCUMENT_FRAGMENT_NODE:
+ for c in tuple(newChild.childNodes):
+ self.insertBefore(c, refChild)
+ ### The DOM does not clearly specify what to return in this case
+ return newChild
+ if newChild.nodeType not in self._child_node_types:
+ raise xml.dom.HierarchyRequestErr(
+ "%s cannot be child of %s" % (repr(newChild), repr(self)))
+ if newChild.parentNode is not None:
+ newChild.parentNode.removeChild(newChild)
+ if refChild is None:
+ self.appendChild(newChild)
+ else:
+ try:
+ index = self.childNodes.index(refChild)
+ except ValueError:
+ raise xml.dom.NotFoundErr()
+ if newChild.nodeType in _nodeTypes_with_children:
+ _clear_id_cache(self)
+ self.childNodes.insert(index, newChild)
+ newChild.nextSibling = refChild
+ refChild.previousSibling = newChild
+ if index:
+ node = self.childNodes[index-1]
+ node.nextSibling = newChild
+ newChild.previousSibling = node
+ else:
+ newChild.previousSibling = None
+ newChild.parentNode = self
+ return newChild
+
+ def appendChild(self, node):
+ if node.nodeType == self.DOCUMENT_FRAGMENT_NODE:
+ for c in tuple(node.childNodes):
+ self.appendChild(c)
+ ### The DOM does not clearly specify what to return in this case
+ return node
+ if node.nodeType not in self._child_node_types:
+ raise xml.dom.HierarchyRequestErr(
+ "%s cannot be child of %s" % (repr(node), repr(self)))
+ elif node.nodeType in _nodeTypes_with_children:
+ _clear_id_cache(self)
+ if node.parentNode is not None:
+ node.parentNode.removeChild(node)
+ _append_child(self, node)
+ node.nextSibling = None
+ return node
+
+ def replaceChild(self, newChild, oldChild):
+ if newChild.nodeType == self.DOCUMENT_FRAGMENT_NODE:
+ refChild = oldChild.nextSibling
+ self.removeChild(oldChild)
+ return self.insertBefore(newChild, refChild)
+ if newChild.nodeType not in self._child_node_types:
+ raise xml.dom.HierarchyRequestErr(
+ "%s cannot be child of %s" % (repr(newChild), repr(self)))
+ if newChild is oldChild:
+ return
+ if newChild.parentNode is not None:
+ newChild.parentNode.removeChild(newChild)
+ try:
+ index = self.childNodes.index(oldChild)
+ except ValueError:
+ raise xml.dom.NotFoundErr()
+ self.childNodes[index] = newChild
+ newChild.parentNode = self
+ oldChild.parentNode = None
+ if (newChild.nodeType in _nodeTypes_with_children
+ or oldChild.nodeType in _nodeTypes_with_children):
+ _clear_id_cache(self)
+ newChild.nextSibling = oldChild.nextSibling
+ newChild.previousSibling = oldChild.previousSibling
+ oldChild.nextSibling = None
+ oldChild.previousSibling = None
+ if newChild.previousSibling:
+ newChild.previousSibling.nextSibling = newChild
+ if newChild.nextSibling:
+ newChild.nextSibling.previousSibling = newChild
+ return oldChild
+
+ def removeChild(self, oldChild):
+ try:
+ self.childNodes.remove(oldChild)
+ except ValueError:
+ raise xml.dom.NotFoundErr()
+ if oldChild.nextSibling is not None:
+ oldChild.nextSibling.previousSibling = oldChild.previousSibling
+ if oldChild.previousSibling is not None:
+ oldChild.previousSibling.nextSibling = oldChild.nextSibling
+ oldChild.nextSibling = oldChild.previousSibling = None
+ if oldChild.nodeType in _nodeTypes_with_children:
+ _clear_id_cache(self)
+
+ oldChild.parentNode = None
+ return oldChild
+
+ def normalize(self):
+ L = []
+ for child in self.childNodes:
+ if child.nodeType == Node.TEXT_NODE:
+ data = child.data
+ if data and L and L[-1].nodeType == child.nodeType:
+ # collapse text node
+ node = L[-1]
+ node.data = node.data + child.data
+ node.nextSibling = child.nextSibling
+ child.unlink()
+ elif data:
+ if L:
+ L[-1].nextSibling = child
+ child.previousSibling = L[-1]
+ else:
+ child.previousSibling = None
+ L.append(child)
+ else:
+ # empty text node; discard
+ child.unlink()
+ else:
+ if L:
+ L[-1].nextSibling = child
+ child.previousSibling = L[-1]
+ else:
+ child.previousSibling = None
+ L.append(child)
+ if child.nodeType == Node.ELEMENT_NODE:
+ child.normalize()
+ if L:
+ L[-1].nextSibling = None
+ self.childNodes[:] = L
+
+ def cloneNode(self, deep):
+ return _clone_node(self, deep, self.ownerDocument or self)
+
+ def isSupported(self, feature, version):
+ return self.ownerDocument.implementation.hasFeature(feature, version)
+
+ def _get_localName(self):
+ # Overridden in Element and Attr where localName can be Non-Null
+ return None
+
+ # Node interfaces from Level 3 (WD 9 April 2002)
+
+ def isSameNode(self, other):
+ return self is other
+
+ def getInterface(self, feature):
+ if self.isSupported(feature, None):
+ return self
+ else:
+ return None
+
+ # The "user data" functions use a dictionary that is only present
+ # if some user data has been set, so be careful not to assume it
+ # exists.
+
+ def getUserData(self, key):
+ try:
+ return self._user_data[key][0]
+ except (AttributeError, KeyError):
+ return None
+
+ def setUserData(self, key, data, handler):
+ old = None
+ try:
+ d = self._user_data
+ except AttributeError:
+ d = {}
+ self._user_data = d
+ if key in d:
+ old = d[key][0]
+ if data is None:
+ # ignore handlers passed for None
+ handler = None
+ if old is not None:
+ del d[key]
+ else:
+ d[key] = (data, handler)
+ return old
+
+ def _call_user_data_handler(self, operation, src, dst):
+ if hasattr(self, "_user_data"):
+ for key, (data, handler) in self._user_data.items():
+ if handler is not None:
+ handler.handle(operation, key, data, src, dst)
+
+ # minidom-specific API:
+
+ def unlink(self):
+ self.parentNode = self.ownerDocument = None
+ if self.childNodes:
+ for child in self.childNodes:
+ child.unlink()
+ self.childNodes = NodeList()
+ self.previousSibling = None
+ self.nextSibling = None
+
+defproperty(Node, "firstChild", doc="First child node, or None.")
+defproperty(Node, "lastChild", doc="Last child node, or None.")
+defproperty(Node, "localName", doc="Namespace-local name of this node.")
+
+
+def _append_child(self, node):
+ # fast path with less checks; usable by DOM builders if careful
+ childNodes = self.childNodes
+ if childNodes:
+ last = childNodes[-1]
+ node.__dict__["previousSibling"] = last
+ last.__dict__["nextSibling"] = node
+ childNodes.append(node)
+ node.__dict__["parentNode"] = self
+
+def _in_document(node):
+ # return True iff node is part of a document tree
+ while node is not None:
+ if node.nodeType == Node.DOCUMENT_NODE:
+ return True
+ node = node.parentNode
+ return False
+
+def _write_data(writer, data):
+ "Writes datachars to writer."
+ data = data.replace("&", "&").replace("<", "<")
+ data = data.replace("\"", """).replace(">", ">")
+ writer.write(data)
+
+def _get_elements_by_tagName_helper(parent, name, rc):
+ for node in parent.childNodes:
+ if node.nodeType == Node.ELEMENT_NODE and \
+ (name == "*" or node.tagName == name):
+ rc.append(node)
+ _get_elements_by_tagName_helper(node, name, rc)
+ return rc
+
+def _get_elements_by_tagName_ns_helper(parent, nsURI, localName, rc):
+ for node in parent.childNodes:
+ if node.nodeType == Node.ELEMENT_NODE:
+ if ((localName == "*" or node.localName == localName) and
+ (nsURI == "*" or node.namespaceURI == nsURI)):
+ rc.append(node)
+ _get_elements_by_tagName_ns_helper(node, nsURI, localName, rc)
+ return rc
+
+class DocumentFragment(Node):
+ nodeType = Node.DOCUMENT_FRAGMENT_NODE
+ nodeName = "#document-fragment"
+ nodeValue = None
+ attributes = None
+ parentNode = None
+ _child_node_types = (Node.ELEMENT_NODE,
+ Node.TEXT_NODE,
+ Node.CDATA_SECTION_NODE,
+ Node.ENTITY_REFERENCE_NODE,
+ Node.PROCESSING_INSTRUCTION_NODE,
+ Node.COMMENT_NODE,
+ Node.NOTATION_NODE)
+
+ def __init__(self):
+ self.childNodes = NodeList()
+
+
+class Attr(Node):
+ nodeType = Node.ATTRIBUTE_NODE
+ attributes = None
+ ownerElement = None
+ specified = False
+ _is_id = False
+
+ _child_node_types = (Node.TEXT_NODE, Node.ENTITY_REFERENCE_NODE)
+
+ def __init__(self, qName, namespaceURI=EMPTY_NAMESPACE, localName=None,
+ prefix=None):
+ # skip setattr for performance
+ d = self.__dict__
+ d["nodeName"] = d["name"] = qName
+ d["namespaceURI"] = namespaceURI
+ d["prefix"] = prefix
+ d['childNodes'] = NodeList()
+
+ # Add the single child node that represents the value of the attr
+ self.childNodes.append(Text())
+
+ # nodeValue and value are set elsewhere
+
+ def _get_localName(self):
+ return self.nodeName.split(":", 1)[-1]
+
+ def _get_name(self):
+ return self.name
+
+ def _get_specified(self):
+ return self.specified
+
+ def __setattr__(self, name, value):
+ d = self.__dict__
+ if name in ("value", "nodeValue"):
+ d["value"] = d["nodeValue"] = value
+ d2 = self.childNodes[0].__dict__
+ d2["data"] = d2["nodeValue"] = value
+ if self.ownerElement is not None:
+ _clear_id_cache(self.ownerElement)
+ elif name in ("name", "nodeName"):
+ d["name"] = d["nodeName"] = value
+ if self.ownerElement is not None:
+ _clear_id_cache(self.ownerElement)
+ else:
+ d[name] = value
+
+ def _set_prefix(self, prefix):
+ nsuri = self.namespaceURI
+ if prefix == "xmlns":
+ if nsuri and nsuri != XMLNS_NAMESPACE:
+ raise xml.dom.NamespaceErr(
+ "illegal use of 'xmlns' prefix for the wrong namespace")
+ d = self.__dict__
+ d['prefix'] = prefix
+ if prefix is None:
+ newName = self.localName
+ else:
+ newName = "%s:%s" % (prefix, self.localName)
+ if self.ownerElement:
+ _clear_id_cache(self.ownerElement)
+ d['nodeName'] = d['name'] = newName
+
+ def _set_value(self, value):
+ d = self.__dict__
+ d['value'] = d['nodeValue'] = value
+ if self.ownerElement:
+ _clear_id_cache(self.ownerElement)
+ self.childNodes[0].data = value
+
+ def unlink(self):
+ # This implementation does not call the base implementation
+ # since most of that is not needed, and the expense of the
+ # method call is not warranted. We duplicate the removal of
+ # children, but that's all we needed from the base class.
+ elem = self.ownerElement
+ if elem is not None:
+ del elem._attrs[self.nodeName]
+ del elem._attrsNS[(self.namespaceURI, self.localName)]
+ if self._is_id:
+ self._is_id = False
+ elem._magic_id_nodes -= 1
+ self.ownerDocument._magic_id_count -= 1
+ for child in self.childNodes:
+ child.unlink()
+ del self.childNodes[:]
+
+ def _get_isId(self):
+ if self._is_id:
+ return True
+ doc = self.ownerDocument
+ elem = self.ownerElement
+ if doc is None or elem is None:
+ return False
+
+ info = doc._get_elem_info(elem)
+ if info is None:
+ return False
+ if self.namespaceURI:
+ return info.isIdNS(self.namespaceURI, self.localName)
+ else:
+ return info.isId(self.nodeName)
+
+ def _get_schemaType(self):
+ doc = self.ownerDocument
+ elem = self.ownerElement
+ if doc is None or elem is None:
+ return _no_type
+
+ info = doc._get_elem_info(elem)
+ if info is None:
+ return _no_type
+ if self.namespaceURI:
+ return info.getAttributeTypeNS(self.namespaceURI, self.localName)
+ else:
+ return info.getAttributeType(self.nodeName)
+
+defproperty(Attr, "isId", doc="True if this attribute is an ID.")
+defproperty(Attr, "localName", doc="Namespace-local name of this attribute.")
+defproperty(Attr, "schemaType", doc="Schema type for this attribute.")
+
+
+class NamedNodeMap(object):
+ """The attribute list is a transient interface to the underlying
+ dictionaries. Mutations here will change the underlying element's
+ dictionary.
+
+ Ordering is imposed artificially and does not reflect the order of
+ attributes as found in an input document.
+ """
+
+ __slots__ = ('_attrs', '_attrsNS', '_ownerElement')
+
+ def __init__(self, attrs, attrsNS, ownerElement):
+ self._attrs = attrs
+ self._attrsNS = attrsNS
+ self._ownerElement = ownerElement
+
+ def _get_length(self):
+ return len(self._attrs)
+
+ def item(self, index):
+ try:
+ return self[self._attrs.keys()[index]]
+ except IndexError:
+ return None
+
+ def items(self):
+ L = []
+ for node in self._attrs.values():
+ L.append((node.nodeName, node.value))
+ return L
+
+ def itemsNS(self):
+ L = []
+ for node in self._attrs.values():
+ L.append(((node.namespaceURI, node.localName), node.value))
+ return L
+
+ def has_key(self, key):
+ if isinstance(key, StringTypes):
+ return self._attrs.has_key(key)
+ else:
+ return self._attrsNS.has_key(key)
+
+ def keys(self):
+ return self._attrs.keys()
+
+ def keysNS(self):
+ return self._attrsNS.keys()
+
+ def values(self):
+ return self._attrs.values()
+
+ def get(self, name, value=None):
+ return self._attrs.get(name, value)
+
+ __len__ = _get_length
+
+ __hash__ = None # Mutable type can't be correctly hashed
+ def __cmp__(self, other):
+ if self._attrs is getattr(other, "_attrs", None):
+ return 0
+ else:
+ return cmp(id(self), id(other))
+
+ def __getitem__(self, attname_or_tuple):
+ if isinstance(attname_or_tuple, tuple):
+ return self._attrsNS[attname_or_tuple]
+ else:
+ return self._attrs[attname_or_tuple]
+
+ # same as set
+ def __setitem__(self, attname, value):
+ if isinstance(value, StringTypes):
+ try:
+ node = self._attrs[attname]
+ except KeyError:
+ node = Attr(attname)
+ node.ownerDocument = self._ownerElement.ownerDocument
+ self.setNamedItem(node)
+ node.value = value
+ else:
+ if not isinstance(value, Attr):
+ raise TypeError, "value must be a string or Attr object"
+ node = value
+ self.setNamedItem(node)
+
+ def getNamedItem(self, name):
+ try:
+ return self._attrs[name]
+ except KeyError:
+ return None
+
+ def getNamedItemNS(self, namespaceURI, localName):
+ try:
+ return self._attrsNS[(namespaceURI, localName)]
+ except KeyError:
+ return None
+
+ def removeNamedItem(self, name):
+ n = self.getNamedItem(name)
+ if n is not None:
+ _clear_id_cache(self._ownerElement)
+ del self._attrs[n.nodeName]
+ del self._attrsNS[(n.namespaceURI, n.localName)]
+ if 'ownerElement' in n.__dict__:
+ n.__dict__['ownerElement'] = None
+ return n
+ else:
+ raise xml.dom.NotFoundErr()
+
+ def removeNamedItemNS(self, namespaceURI, localName):
+ n = self.getNamedItemNS(namespaceURI, localName)
+ if n is not None:
+ _clear_id_cache(self._ownerElement)
+ del self._attrsNS[(n.namespaceURI, n.localName)]
+ del self._attrs[n.nodeName]
+ if 'ownerElement' in n.__dict__:
+ n.__dict__['ownerElement'] = None
+ return n
+ else:
+ raise xml.dom.NotFoundErr()
+
+ def setNamedItem(self, node):
+ if not isinstance(node, Attr):
+ raise xml.dom.HierarchyRequestErr(
+ "%s cannot be child of %s" % (repr(node), repr(self)))
+ old = self._attrs.get(node.name)
+ if old:
+ old.unlink()
+ self._attrs[node.name] = node
+ self._attrsNS[(node.namespaceURI, node.localName)] = node
+ node.ownerElement = self._ownerElement
+ _clear_id_cache(node.ownerElement)
+ return old
+
+ def setNamedItemNS(self, node):
+ return self.setNamedItem(node)
+
+ def __delitem__(self, attname_or_tuple):
+ node = self[attname_or_tuple]
+ _clear_id_cache(node.ownerElement)
+ node.unlink()
+
+ def __getstate__(self):
+ return self._attrs, self._attrsNS, self._ownerElement
+
+ def __setstate__(self, state):
+ self._attrs, self._attrsNS, self._ownerElement = state
+
+defproperty(NamedNodeMap, "length",
+ doc="Number of nodes in the NamedNodeMap.")
+
+AttributeList = NamedNodeMap
+
+
+class TypeInfo(object):
+ __slots__ = 'namespace', 'name'
+
+ def __init__(self, namespace, name):
+ self.namespace = namespace
+ self.name = name
+
+ def __repr__(self):
+ if self.namespace:
+ return "<TypeInfo %r (from %r)>" % (self.name, self.namespace)
+ else:
+ return "<TypeInfo %r>" % self.name
+
+ def _get_name(self):
+ return self.name
+
+ def _get_namespace(self):
+ return self.namespace
+
+_no_type = TypeInfo(None, None)
+
+class Element(Node):
+ nodeType = Node.ELEMENT_NODE
+ nodeValue = None
+ schemaType = _no_type
+
+ _magic_id_nodes = 0
+
+ _child_node_types = (Node.ELEMENT_NODE,
+ Node.PROCESSING_INSTRUCTION_NODE,
+ Node.COMMENT_NODE,
+ Node.TEXT_NODE,
+ Node.CDATA_SECTION_NODE,
+ Node.ENTITY_REFERENCE_NODE)
+
+ def __init__(self, tagName, namespaceURI=EMPTY_NAMESPACE, prefix=None,
+ localName=None):
+ self.tagName = self.nodeName = tagName
+ self.prefix = prefix
+ self.namespaceURI = namespaceURI
+ self.childNodes = NodeList()
+
+ self._attrs = {} # attributes are double-indexed:
+ self._attrsNS = {} # tagName -> Attribute
+ # URI,localName -> Attribute
+ # in the future: consider lazy generation
+ # of attribute objects this is too tricky
+ # for now because of headaches with
+ # namespaces.
+
+ def _get_localName(self):
+ return self.tagName.split(":", 1)[-1]
+
+ def _get_tagName(self):
+ return self.tagName
+
+ def unlink(self):
+ for attr in self._attrs.values():
+ attr.unlink()
+ self._attrs = None
+ self._attrsNS = None
+ Node.unlink(self)
+
+ def getAttribute(self, attname):
+ try:
+ return self._attrs[attname].value
+ except KeyError:
+ return ""
+
+ def getAttributeNS(self, namespaceURI, localName):
+ try:
+ return self._attrsNS[(namespaceURI, localName)].value
+ except KeyError:
+ return ""
+
+ def setAttribute(self, attname, value):
+ attr = self.getAttributeNode(attname)
+ if attr is None:
+ attr = Attr(attname)
+ # for performance
+ d = attr.__dict__
+ d["value"] = d["nodeValue"] = value
+ d["ownerDocument"] = self.ownerDocument
+ self.setAttributeNode(attr)
+ elif value != attr.value:
+ d = attr.__dict__
+ d["value"] = d["nodeValue"] = value
+ if attr.isId:
+ _clear_id_cache(self)
+
+ def setAttributeNS(self, namespaceURI, qualifiedName, value):
+ prefix, localname = _nssplit(qualifiedName)
+ attr = self.getAttributeNodeNS(namespaceURI, localname)
+ if attr is None:
+ # for performance
+ attr = Attr(qualifiedName, namespaceURI, localname, prefix)
+ d = attr.__dict__
+ d["prefix"] = prefix
+ d["nodeName"] = qualifiedName
+ d["value"] = d["nodeValue"] = value
+ d["ownerDocument"] = self.ownerDocument
+ self.setAttributeNode(attr)
+ else:
+ d = attr.__dict__
+ if value != attr.value:
+ d["value"] = d["nodeValue"] = value
+ if attr.isId:
+ _clear_id_cache(self)
+ if attr.prefix != prefix:
+ d["prefix"] = prefix
+ d["nodeName"] = qualifiedName
+
+ def getAttributeNode(self, attrname):
+ return self._attrs.get(attrname)
+
+ def getAttributeNodeNS(self, namespaceURI, localName):
+ return self._attrsNS.get((namespaceURI, localName))
+
+ def setAttributeNode(self, attr):
+ if attr.ownerElement not in (None, self):
+ raise xml.dom.InuseAttributeErr("attribute node already owned")
+ old1 = self._attrs.get(attr.name, None)
+ if old1 is not None:
+ self.removeAttributeNode(old1)
+ old2 = self._attrsNS.get((attr.namespaceURI, attr.localName), None)
+ if old2 is not None and old2 is not old1:
+ self.removeAttributeNode(old2)
+ _set_attribute_node(self, attr)
+
+ if old1 is not attr:
+ # It might have already been part of this node, in which case
+ # it doesn't represent a change, and should not be returned.
+ return old1
+ if old2 is not attr:
+ return old2
+
+ setAttributeNodeNS = setAttributeNode
+
+ def removeAttribute(self, name):
+ try:
+ attr = self._attrs[name]
+ except KeyError:
+ raise xml.dom.NotFoundErr()
+ self.removeAttributeNode(attr)
+
+ def removeAttributeNS(self, namespaceURI, localName):
+ try:
+ attr = self._attrsNS[(namespaceURI, localName)]
+ except KeyError:
+ raise xml.dom.NotFoundErr()
+ self.removeAttributeNode(attr)
+
+ def removeAttributeNode(self, node):
+ if node is None:
+ raise xml.dom.NotFoundErr()
+ try:
+ self._attrs[node.name]
+ except KeyError:
+ raise xml.dom.NotFoundErr()
+ _clear_id_cache(self)
+ node.unlink()
+ # Restore this since the node is still useful and otherwise
+ # unlinked
+ node.ownerDocument = self.ownerDocument
+
+ removeAttributeNodeNS = removeAttributeNode
+
+ def hasAttribute(self, name):
+ return self._attrs.has_key(name)
+
+ def hasAttributeNS(self, namespaceURI, localName):
+ return self._attrsNS.has_key((namespaceURI, localName))
+
+ def getElementsByTagName(self, name):
+ return _get_elements_by_tagName_helper(self, name, NodeList())
+
+ def getElementsByTagNameNS(self, namespaceURI, localName):
+ return _get_elements_by_tagName_ns_helper(
+ self, namespaceURI, localName, NodeList())
+
+ def __repr__(self):
+ return "<DOM Element: %s at %#x>" % (self.tagName, id(self))
+
+ def writexml(self, writer, indent="", addindent="", newl=""):
+ # indent = current indentation
+ # addindent = indentation to add to higher levels
+ # newl = newline string
+ writer.write(indent+"<" + self.tagName)
+
+ attrs = self._get_attributes()
+ a_names = attrs.keys()
+ a_names.sort()
+
+ for a_name in a_names:
+ writer.write(" %s=\"" % a_name)
+ _write_data(writer, attrs[a_name].value)
+ writer.write("\"")
+ if self.childNodes:
+ writer.write(">%s"%(newl))
+ for node in self.childNodes:
+ node.writexml(writer,indent+addindent,addindent,newl)
+ writer.write("%s</%s>%s" % (indent,self.tagName,newl))
+ else:
+ writer.write("/>%s"%(newl))
+
+ def _get_attributes(self):
+ return NamedNodeMap(self._attrs, self._attrsNS, self)
+
+ def hasAttributes(self):
+ if self._attrs:
+ return True
+ else:
+ return False
+
+ # DOM Level 3 attributes, based on the 22 Oct 2002 draft
+
+ def setIdAttribute(self, name):
+ idAttr = self.getAttributeNode(name)
+ self.setIdAttributeNode(idAttr)
+
+ def setIdAttributeNS(self, namespaceURI, localName):
+ idAttr = self.getAttributeNodeNS(namespaceURI, localName)
+ self.setIdAttributeNode(idAttr)
+
+ def setIdAttributeNode(self, idAttr):
+ if idAttr is None or not self.isSameNode(idAttr.ownerElement):
+ raise xml.dom.NotFoundErr()
+ if _get_containing_entref(self) is not None:
+ raise xml.dom.NoModificationAllowedErr()
+ if not idAttr._is_id:
+ idAttr.__dict__['_is_id'] = True
+ self._magic_id_nodes += 1
+ self.ownerDocument._magic_id_count += 1
+ _clear_id_cache(self)
+
+defproperty(Element, "attributes",
+ doc="NamedNodeMap of attributes on the element.")
+defproperty(Element, "localName",
+ doc="Namespace-local name of this element.")
+
+
+def _set_attribute_node(element, attr):
+ _clear_id_cache(element)
+ element._attrs[attr.name] = attr
+ element._attrsNS[(attr.namespaceURI, attr.localName)] = attr
+
+ # This creates a circular reference, but Element.unlink()
+ # breaks the cycle since the references to the attribute
+ # dictionaries are tossed.
+ attr.__dict__['ownerElement'] = element
+
+
+class Childless:
+ """Mixin that makes childless-ness easy to implement and avoids
+ the complexity of the Node methods that deal with children.
+ """
+
+ attributes = None
+ childNodes = EmptyNodeList()
+ firstChild = None
+ lastChild = None
+
+ def _get_firstChild(self):
+ return None
+
+ def _get_lastChild(self):
+ return None
+
+ def appendChild(self, node):
+ raise xml.dom.HierarchyRequestErr(
+ self.nodeName + " nodes cannot have children")
+
+ def hasChildNodes(self):
+ return False
+
+ def insertBefore(self, newChild, refChild):
+ raise xml.dom.HierarchyRequestErr(
+ self.nodeName + " nodes do not have children")
+
+ def removeChild(self, oldChild):
+ raise xml.dom.NotFoundErr(
+ self.nodeName + " nodes do not have children")
+
+ def replaceChild(self, newChild, oldChild):
+ raise xml.dom.HierarchyRequestErr(
+ self.nodeName + " nodes do not have children")
+
+
+class ProcessingInstruction(Childless, Node):
+ nodeType = Node.PROCESSING_INSTRUCTION_NODE
+
+ def __init__(self, target, data):
+ self.target = self.nodeName = target
+ self.data = self.nodeValue = data
+
+ def _get_data(self):
+ return self.data
+ def _set_data(self, value):
+ d = self.__dict__
+ d['data'] = d['nodeValue'] = value
+
+ def _get_target(self):
+ return self.target
+ def _set_target(self, value):
+ d = self.__dict__
+ d['target'] = d['nodeName'] = value
+
+ def __setattr__(self, name, value):
+ if name == "data" or name == "nodeValue":
+ self.__dict__['data'] = self.__dict__['nodeValue'] = value
+ elif name == "target" or name == "nodeName":
+ self.__dict__['target'] = self.__dict__['nodeName'] = value
+ else:
+ self.__dict__[name] = value
+
+ def writexml(self, writer, indent="", addindent="", newl=""):
+ writer.write("%s<?%s %s?>%s" % (indent,self.target, self.data, newl))
+
+
+class CharacterData(Childless, Node):
+ def _get_length(self):
+ return len(self.data)
+ __len__ = _get_length
+
+ def _get_data(self):
+ return self.__dict__['data']
+ def _set_data(self, data):
+ d = self.__dict__
+ d['data'] = d['nodeValue'] = data
+
+ _get_nodeValue = _get_data
+ _set_nodeValue = _set_data
+
+ def __setattr__(self, name, value):
+ if name == "data" or name == "nodeValue":
+ self.__dict__['data'] = self.__dict__['nodeValue'] = value
+ else:
+ self.__dict__[name] = value
+
+ def __repr__(self):
+ data = self.data
+ if len(data) > 10:
+ dotdotdot = "..."
+ else:
+ dotdotdot = ""
+ return '<DOM %s node "%r%s">' % (
+ self.__class__.__name__, data[0:10], dotdotdot)
+
+ def substringData(self, offset, count):
+ if offset < 0:
+ raise xml.dom.IndexSizeErr("offset cannot be negative")
+ if offset >= len(self.data):
+ raise xml.dom.IndexSizeErr("offset cannot be beyond end of data")
+ if count < 0:
+ raise xml.dom.IndexSizeErr("count cannot be negative")
+ return self.data[offset:offset+count]
+
+ def appendData(self, arg):
+ self.data = self.data + arg
+
+ def insertData(self, offset, arg):
+ if offset < 0:
+ raise xml.dom.IndexSizeErr("offset cannot be negative")
+ if offset >= len(self.data):
+ raise xml.dom.IndexSizeErr("offset cannot be beyond end of data")
+ if arg:
+ self.data = "%s%s%s" % (
+ self.data[:offset], arg, self.data[offset:])
+
+ def deleteData(self, offset, count):
+ if offset < 0:
+ raise xml.dom.IndexSizeErr("offset cannot be negative")
+ if offset >= len(self.data):
+ raise xml.dom.IndexSizeErr("offset cannot be beyond end of data")
+ if count < 0:
+ raise xml.dom.IndexSizeErr("count cannot be negative")
+ if count:
+ self.data = self.data[:offset] + self.data[offset+count:]
+
+ def replaceData(self, offset, count, arg):
+ if offset < 0:
+ raise xml.dom.IndexSizeErr("offset cannot be negative")
+ if offset >= len(self.data):
+ raise xml.dom.IndexSizeErr("offset cannot be beyond end of data")
+ if count < 0:
+ raise xml.dom.IndexSizeErr("count cannot be negative")
+ if count:
+ self.data = "%s%s%s" % (
+ self.data[:offset], arg, self.data[offset+count:])
+
+defproperty(CharacterData, "length", doc="Length of the string data.")
+
+
+class Text(CharacterData):
+ # Make sure we don't add an instance __dict__ if we don't already
+ # have one, at least when that's possible:
+ # XXX this does not work, CharacterData is an old-style class
+ # __slots__ = ()
+
+ nodeType = Node.TEXT_NODE
+ nodeName = "#text"
+ attributes = None
+
+ def splitText(self, offset):
+ if offset < 0 or offset > len(self.data):
+ raise xml.dom.IndexSizeErr("illegal offset value")
+ newText = self.__class__()
+ newText.data = self.data[offset:]
+ newText.ownerDocument = self.ownerDocument
+ next = self.nextSibling
+ if self.parentNode and self in self.parentNode.childNodes:
+ if next is None:
+ self.parentNode.appendChild(newText)
+ else:
+ self.parentNode.insertBefore(newText, next)
+ self.data = self.data[:offset]
+ return newText
+
+ def writexml(self, writer, indent="", addindent="", newl=""):
+ _write_data(writer, "%s%s%s"%(indent, self.data, newl))
+
+ # DOM Level 3 (WD 9 April 2002)
+
+ def _get_wholeText(self):
+ L = [self.data]
+ n = self.previousSibling
+ while n is not None:
+ if n.nodeType in (Node.TEXT_NODE, Node.CDATA_SECTION_NODE):
+ L.insert(0, n.data)
+ n = n.previousSibling
+ else:
+ break
+ n = self.nextSibling
+ while n is not None:
+ if n.nodeType in (Node.TEXT_NODE, Node.CDATA_SECTION_NODE):
+ L.append(n.data)
+ n = n.nextSibling
+ else:
+ break
+ return ''.join(L)
+
+ def replaceWholeText(self, content):
+ # XXX This needs to be seriously changed if minidom ever
+ # supports EntityReference nodes.
+ parent = self.parentNode
+ n = self.previousSibling
+ while n is not None:
+ if n.nodeType in (Node.TEXT_NODE, Node.CDATA_SECTION_NODE):
+ next = n.previousSibling
+ parent.removeChild(n)
+ n = next
+ else:
+ break
+ n = self.nextSibling
+ if not content:
+ parent.removeChild(self)
+ while n is not None:
+ if n.nodeType in (Node.TEXT_NODE, Node.CDATA_SECTION_NODE):
+ next = n.nextSibling
+ parent.removeChild(n)
+ n = next
+ else:
+ break
+ if content:
+ d = self.__dict__
+ d['data'] = content
+ d['nodeValue'] = content
+ return self
+ else:
+ return None
+
+ def _get_isWhitespaceInElementContent(self):
+ if self.data.strip():
+ return False
+ elem = _get_containing_element(self)
+ if elem is None:
+ return False
+ info = self.ownerDocument._get_elem_info(elem)
+ if info is None:
+ return False
+ else:
+ return info.isElementContent()
+
+defproperty(Text, "isWhitespaceInElementContent",
+ doc="True iff this text node contains only whitespace"
+ " and is in element content.")
+defproperty(Text, "wholeText",
+ doc="The text of all logically-adjacent text nodes.")
+
+
+def _get_containing_element(node):
+ c = node.parentNode
+ while c is not None:
+ if c.nodeType == Node.ELEMENT_NODE:
+ return c
+ c = c.parentNode
+ return None
+
+def _get_containing_entref(node):
+ c = node.parentNode
+ while c is not None:
+ if c.nodeType == Node.ENTITY_REFERENCE_NODE:
+ return c
+ c = c.parentNode
+ return None
+
+
+class Comment(Childless, CharacterData):
+ nodeType = Node.COMMENT_NODE
+ nodeName = "#comment"
+
+ def __init__(self, data):
+ self.data = self.nodeValue = data
+
+ def writexml(self, writer, indent="", addindent="", newl=""):
+ if "--" in self.data:
+ raise ValueError("'--' is not allowed in a comment node")
+ writer.write("%s<!--%s-->%s" % (indent, self.data, newl))
+
+
+class CDATASection(Text):
+ # Make sure we don't add an instance __dict__ if we don't already
+ # have one, at least when that's possible:
+ # XXX this does not work, Text is an old-style class
+ # __slots__ = ()
+
+ nodeType = Node.CDATA_SECTION_NODE
+ nodeName = "#cdata-section"
+
+ def writexml(self, writer, indent="", addindent="", newl=""):
+ if self.data.find("]]>") >= 0:
+ raise ValueError("']]>' not allowed in a CDATA section")
+ writer.write("<![CDATA[%s]]>" % self.data)
+
+
+class ReadOnlySequentialNamedNodeMap(object):
+ __slots__ = '_seq',
+
+ def __init__(self, seq=()):
+ # seq should be a list or tuple
+ self._seq = seq
+
+ def __len__(self):
+ return len(self._seq)
+
+ def _get_length(self):
+ return len(self._seq)
+
+ def getNamedItem(self, name):
+ for n in self._seq:
+ if n.nodeName == name:
+ return n
+
+ def getNamedItemNS(self, namespaceURI, localName):
+ for n in self._seq:
+ if n.namespaceURI == namespaceURI and n.localName == localName:
+ return n
+
+ def __getitem__(self, name_or_tuple):
+ if isinstance(name_or_tuple, tuple):
+ node = self.getNamedItemNS(*name_or_tuple)
+ else:
+ node = self.getNamedItem(name_or_tuple)
+ if node is None:
+ raise KeyError, name_or_tuple
+ return node
+
+ def item(self, index):
+ if index < 0:
+ return None
+ try:
+ return self._seq[index]
+ except IndexError:
+ return None
+
+ def removeNamedItem(self, name):
+ raise xml.dom.NoModificationAllowedErr(
+ "NamedNodeMap instance is read-only")
+
+ def removeNamedItemNS(self, namespaceURI, localName):
+ raise xml.dom.NoModificationAllowedErr(
+ "NamedNodeMap instance is read-only")
+
+ def setNamedItem(self, node):
+ raise xml.dom.NoModificationAllowedErr(
+ "NamedNodeMap instance is read-only")
+
+ def setNamedItemNS(self, node):
+ raise xml.dom.NoModificationAllowedErr(
+ "NamedNodeMap instance is read-only")
+
+ def __getstate__(self):
+ return [self._seq]
+
+ def __setstate__(self, state):
+ self._seq = state[0]
+
+defproperty(ReadOnlySequentialNamedNodeMap, "length",
+ doc="Number of entries in the NamedNodeMap.")
+
+
+class Identified:
+ """Mix-in class that supports the publicId and systemId attributes."""
+
+ # XXX this does not work, this is an old-style class
+ # __slots__ = 'publicId', 'systemId'
+
+ def _identified_mixin_init(self, publicId, systemId):
+ self.publicId = publicId
+ self.systemId = systemId
+
+ def _get_publicId(self):
+ return self.publicId
+
+ def _get_systemId(self):
+ return self.systemId
+
+class DocumentType(Identified, Childless, Node):
+ nodeType = Node.DOCUMENT_TYPE_NODE
+ nodeValue = None
+ name = None
+ publicId = None
+ systemId = None
+ internalSubset = None
+
+ def __init__(self, qualifiedName):
+ self.entities = ReadOnlySequentialNamedNodeMap()
+ self.notations = ReadOnlySequentialNamedNodeMap()
+ if qualifiedName:
+ prefix, localname = _nssplit(qualifiedName)
+ self.name = localname
+ self.nodeName = self.name
+
+ def _get_internalSubset(self):
+ return self.internalSubset
+
+ def cloneNode(self, deep):
+ if self.ownerDocument is None:
+ # it's ok
+ clone = DocumentType(None)
+ clone.name = self.name
+ clone.nodeName = self.name
+ operation = xml.dom.UserDataHandler.NODE_CLONED
+ if deep:
+ clone.entities._seq = []
+ clone.notations._seq = []
+ for n in self.notations._seq:
+ notation = Notation(n.nodeName, n.publicId, n.systemId)
+ clone.notations._seq.append(notation)
+ n._call_user_data_handler(operation, n, notation)
+ for e in self.entities._seq:
+ entity = Entity(e.nodeName, e.publicId, e.systemId,
+ e.notationName)
+ entity.actualEncoding = e.actualEncoding
+ entity.encoding = e.encoding
+ entity.version = e.version
+ clone.entities._seq.append(entity)
+ e._call_user_data_handler(operation, n, entity)
+ self._call_user_data_handler(operation, self, clone)
+ return clone
+ else:
+ return None
+
+ def writexml(self, writer, indent="", addindent="", newl=""):
+ writer.write("<!DOCTYPE ")
+ writer.write(self.name)
+ if self.publicId:
+ writer.write("%s PUBLIC '%s'%s '%s'"
+ % (newl, self.publicId, newl, self.systemId))
+ elif self.systemId:
+ writer.write("%s SYSTEM '%s'" % (newl, self.systemId))
+ if self.internalSubset is not None:
+ writer.write(" [")
+ writer.write(self.internalSubset)
+ writer.write("]")
+ writer.write(">"+newl)
+
+class Entity(Identified, Node):
+ attributes = None
+ nodeType = Node.ENTITY_NODE
+ nodeValue = None
+
+ actualEncoding = None
+ encoding = None
+ version = None
+
+ def __init__(self, name, publicId, systemId, notation):
+ self.nodeName = name
+ self.notationName = notation
+ self.childNodes = NodeList()
+ self._identified_mixin_init(publicId, systemId)
+
+ def _get_actualEncoding(self):
+ return self.actualEncoding
+
+ def _get_encoding(self):
+ return self.encoding
+
+ def _get_version(self):
+ return self.version
+
+ def appendChild(self, newChild):
+ raise xml.dom.HierarchyRequestErr(
+ "cannot append children to an entity node")
+
+ def insertBefore(self, newChild, refChild):
+ raise xml.dom.HierarchyRequestErr(
+ "cannot insert children below an entity node")
+
+ def removeChild(self, oldChild):
+ raise xml.dom.HierarchyRequestErr(
+ "cannot remove children from an entity node")
+
+ def replaceChild(self, newChild, oldChild):
+ raise xml.dom.HierarchyRequestErr(
+ "cannot replace children of an entity node")
+
+class Notation(Identified, Childless, Node):
+ nodeType = Node.NOTATION_NODE
+ nodeValue = None
+
+ def __init__(self, name, publicId, systemId):
+ self.nodeName = name
+ self._identified_mixin_init(publicId, systemId)
+
+
+class DOMImplementation(DOMImplementationLS):
+ _features = [("core", "1.0"),
+ ("core", "2.0"),
+ ("core", "3.0"),
+ ("core", None),
+ ("xml", "1.0"),
+ ("xml", "2.0"),
+ ("xml", "3.0"),
+ ("xml", None),
+ ("ls-load", "3.0"),
+ ("ls-load", None),
+ ]
+
+ def hasFeature(self, feature, version):
+ if version == "":
+ version = None
+ return (feature.lower(), version) in self._features
+
+ def createDocument(self, namespaceURI, qualifiedName, doctype):
+ if doctype and doctype.parentNode is not None:
+ raise xml.dom.WrongDocumentErr(
+ "doctype object owned by another DOM tree")
+ doc = self._create_document()
+
+ add_root_element = not (namespaceURI is None
+ and qualifiedName is None
+ and doctype is None)
+
+ if not qualifiedName and add_root_element:
+ # The spec is unclear what to raise here; SyntaxErr
+ # would be the other obvious candidate. Since Xerces raises
+ # InvalidCharacterErr, and since SyntaxErr is not listed
+ # for createDocument, that seems to be the better choice.
+ # XXX: need to check for illegal characters here and in
+ # createElement.
+
+ # DOM Level III clears this up when talking about the return value
+ # of this function. If namespaceURI, qName and DocType are
+ # Null the document is returned without a document element
+ # Otherwise if doctype or namespaceURI are not None
+ # Then we go back to the above problem
+ raise xml.dom.InvalidCharacterErr("Element with no name")
+
+ if add_root_element:
+ prefix, localname = _nssplit(qualifiedName)
+ if prefix == "xml" \
+ and namespaceURI != "http://www.w3.org/XML/1998/namespace":
+ raise xml.dom.NamespaceErr("illegal use of 'xml' prefix")
+ if prefix and not namespaceURI:
+ raise xml.dom.NamespaceErr(
+ "illegal use of prefix without namespaces")
+ element = doc.createElementNS(namespaceURI, qualifiedName)
+ if doctype:
+ doc.appendChild(doctype)
+ doc.appendChild(element)
+
+ if doctype:
+ doctype.parentNode = doctype.ownerDocument = doc
+
+ doc.doctype = doctype
+ doc.implementation = self
+ return doc
+
+ def createDocumentType(self, qualifiedName, publicId, systemId):
+ doctype = DocumentType(qualifiedName)
+ doctype.publicId = publicId
+ doctype.systemId = systemId
+ return doctype
+
+ # DOM Level 3 (WD 9 April 2002)
+
+ def getInterface(self, feature):
+ if self.hasFeature(feature, None):
+ return self
+ else:
+ return None
+
+ # internal
+ def _create_document(self):
+ return Document()
+
+class ElementInfo(object):
+ """Object that represents content-model information for an element.
+
+ This implementation is not expected to be used in practice; DOM
+ builders should provide implementations which do the right thing
+ using information available to it.
+
+ """
+
+ __slots__ = 'tagName',
+
+ def __init__(self, name):
+ self.tagName = name
+
+ def getAttributeType(self, aname):
+ return _no_type
+
+ def getAttributeTypeNS(self, namespaceURI, localName):
+ return _no_type
+
+ def isElementContent(self):
+ return False
+
+ def isEmpty(self):
+ """Returns true iff this element is declared to have an EMPTY
+ content model."""
+ return False
+
+ def isId(self, aname):
+ """Returns true iff the named attribte is a DTD-style ID."""
+ return False
+
+ def isIdNS(self, namespaceURI, localName):
+ """Returns true iff the identified attribute is a DTD-style ID."""
+ return False
+
+ def __getstate__(self):
+ return self.tagName
+
+ def __setstate__(self, state):
+ self.tagName = state
+
+def _clear_id_cache(node):
+ if node.nodeType == Node.DOCUMENT_NODE:
+ node._id_cache.clear()
+ node._id_search_stack = None
+ elif _in_document(node):
+ node.ownerDocument._id_cache.clear()
+ node.ownerDocument._id_search_stack= None
+
+class Document(Node, DocumentLS):
+ _child_node_types = (Node.ELEMENT_NODE, Node.PROCESSING_INSTRUCTION_NODE,
+ Node.COMMENT_NODE, Node.DOCUMENT_TYPE_NODE)
+
+ nodeType = Node.DOCUMENT_NODE
+ nodeName = "#document"
+ nodeValue = None
+ attributes = None
+ doctype = None
+ parentNode = None
+ previousSibling = nextSibling = None
+
+ implementation = DOMImplementation()
+
+ # Document attributes from Level 3 (WD 9 April 2002)
+
+ actualEncoding = None
+ encoding = None
+ standalone = None
+ version = None
+ strictErrorChecking = False
+ errorHandler = None
+ documentURI = None
+
+ _magic_id_count = 0
+
+ def __init__(self):
+ self.childNodes = NodeList()
+ # mapping of (namespaceURI, localName) -> ElementInfo
+ # and tagName -> ElementInfo
+ self._elem_info = {}
+ self._id_cache = {}
+ self._id_search_stack = None
+
+ def _get_elem_info(self, element):
+ if element.namespaceURI:
+ key = element.namespaceURI, element.localName
+ else:
+ key = element.tagName
+ return self._elem_info.get(key)
+
+ def _get_actualEncoding(self):
+ return self.actualEncoding
+
+ def _get_doctype(self):
+ return self.doctype
+
+ def _get_documentURI(self):
+ return self.documentURI
+
+ def _get_encoding(self):
+ return self.encoding
+
+ def _get_errorHandler(self):
+ return self.errorHandler
+
+ def _get_standalone(self):
+ return self.standalone
+
+ def _get_strictErrorChecking(self):
+ return self.strictErrorChecking
+
+ def _get_version(self):
+ return self.version
+
+ def appendChild(self, node):
+ if node.nodeType not in self._child_node_types:
+ raise xml.dom.HierarchyRequestErr(
+ "%s cannot be child of %s" % (repr(node), repr(self)))
+ if node.parentNode is not None:
+ # This needs to be done before the next test since this
+ # may *be* the document element, in which case it should
+ # end up re-ordered to the end.
+ node.parentNode.removeChild(node)
+
+ if node.nodeType == Node.ELEMENT_NODE \
+ and self._get_documentElement():
+ raise xml.dom.HierarchyRequestErr(
+ "two document elements disallowed")
+ return Node.appendChild(self, node)
+
+ def removeChild(self, oldChild):
+ try:
+ self.childNodes.remove(oldChild)
+ except ValueError:
+ raise xml.dom.NotFoundErr()
+ oldChild.nextSibling = oldChild.previousSibling = None
+ oldChild.parentNode = None
+ if self.documentElement is oldChild:
+ self.documentElement = None
+
+ return oldChild
+
+ def _get_documentElement(self):
+ for node in self.childNodes:
+ if node.nodeType == Node.ELEMENT_NODE:
+ return node
+
+ def unlink(self):
+ if self.doctype is not None:
+ self.doctype.unlink()
+ self.doctype = None
+ Node.unlink(self)
+
+ def cloneNode(self, deep):
+ if not deep:
+ return None
+ clone = self.implementation.createDocument(None, None, None)
+ clone.encoding = self.encoding
+ clone.standalone = self.standalone
+ clone.version = self.version
+ for n in self.childNodes:
+ childclone = _clone_node(n, deep, clone)
+ assert childclone.ownerDocument.isSameNode(clone)
+ clone.childNodes.append(childclone)
+ if childclone.nodeType == Node.DOCUMENT_NODE:
+ assert clone.documentElement is None
+ elif childclone.nodeType == Node.DOCUMENT_TYPE_NODE:
+ assert clone.doctype is None
+ clone.doctype = childclone
+ childclone.parentNode = clone
+ self._call_user_data_handler(xml.dom.UserDataHandler.NODE_CLONED,
+ self, clone)
+ return clone
+
+ def createDocumentFragment(self):
+ d = DocumentFragment()
+ d.ownerDocument = self
+ return d
+
+ def createElement(self, tagName):
+ e = Element(tagName)
+ e.ownerDocument = self
+ return e
+
+ def createTextNode(self, data):
+ if not isinstance(data, StringTypes):
+ raise TypeError, "node contents must be a string"
+ t = Text()
+ t.data = data
+ t.ownerDocument = self
+ return t
+
+ def createCDATASection(self, data):
+ if not isinstance(data, StringTypes):
+ raise TypeError, "node contents must be a string"
+ c = CDATASection()
+ c.data = data
+ c.ownerDocument = self
+ return c
+
+ def createComment(self, data):
+ c = Comment(data)
+ c.ownerDocument = self
+ return c
+
+ def createProcessingInstruction(self, target, data):
+ p = ProcessingInstruction(target, data)
+ p.ownerDocument = self
+ return p
+
+ def createAttribute(self, qName):
+ a = Attr(qName)
+ a.ownerDocument = self
+ a.value = ""
+ return a
+
+ def createElementNS(self, namespaceURI, qualifiedName):
+ prefix, localName = _nssplit(qualifiedName)
+ e = Element(qualifiedName, namespaceURI, prefix)
+ e.ownerDocument = self
+ return e
+
+ def createAttributeNS(self, namespaceURI, qualifiedName):
+ prefix, localName = _nssplit(qualifiedName)
+ a = Attr(qualifiedName, namespaceURI, localName, prefix)
+ a.ownerDocument = self
+ a.value = ""
+ return a
+
+ # A couple of implementation-specific helpers to create node types
+ # not supported by the W3C DOM specs:
+
+ def _create_entity(self, name, publicId, systemId, notationName):
+ e = Entity(name, publicId, systemId, notationName)
+ e.ownerDocument = self
+ return e
+
+ def _create_notation(self, name, publicId, systemId):
+ n = Notation(name, publicId, systemId)
+ n.ownerDocument = self
+ return n
+
+ def getElementById(self, id):
+ if id in self._id_cache:
+ return self._id_cache[id]
+ if not (self._elem_info or self._magic_id_count):
+ return None
+
+ stack = self._id_search_stack
+ if stack is None:
+ # we never searched before, or the cache has been cleared
+ stack = [self.documentElement]
+ self._id_search_stack = stack
+ elif not stack:
+ # Previous search was completed and cache is still valid;
+ # no matching node.
+ return None
+
+ result = None
+ while stack:
+ node = stack.pop()
+ # add child elements to stack for continued searching
+ stack.extend([child for child in node.childNodes
+ if child.nodeType in _nodeTypes_with_children])
+ # check this node
+ info = self._get_elem_info(node)
+ if info:
+ # We have to process all ID attributes before
+ # returning in order to get all the attributes set to
+ # be IDs using Element.setIdAttribute*().
+ for attr in node.attributes.values():
+ if attr.namespaceURI:
+ if info.isIdNS(attr.namespaceURI, attr.localName):
+ self._id_cache[attr.value] = node
+ if attr.value == id:
+ result = node
+ elif not node._magic_id_nodes:
+ break
+ elif info.isId(attr.name):
+ self._id_cache[attr.value] = node
+ if attr.value == id:
+ result = node
+ elif not node._magic_id_nodes:
+ break
+ elif attr._is_id:
+ self._id_cache[attr.value] = node
+ if attr.value == id:
+ result = node
+ elif node._magic_id_nodes == 1:
+ break
+ elif node._magic_id_nodes:
+ for attr in node.attributes.values():
+ if attr._is_id:
+ self._id_cache[attr.value] = node
+ if attr.value == id:
+ result = node
+ if result is not None:
+ break
+ return result
+
+ def getElementsByTagName(self, name):
+ return _get_elements_by_tagName_helper(self, name, NodeList())
+
+ def getElementsByTagNameNS(self, namespaceURI, localName):
+ return _get_elements_by_tagName_ns_helper(
+ self, namespaceURI, localName, NodeList())
+
+ def isSupported(self, feature, version):
+ return self.implementation.hasFeature(feature, version)
+
+ def importNode(self, node, deep):
+ if node.nodeType == Node.DOCUMENT_NODE:
+ raise xml.dom.NotSupportedErr("cannot import document nodes")
+ elif node.nodeType == Node.DOCUMENT_TYPE_NODE:
+ raise xml.dom.NotSupportedErr("cannot import document type nodes")
+ return _clone_node(node, deep, self)
+
+ def writexml(self, writer, indent="", addindent="", newl="",
+ encoding = None):
+ if encoding is None:
+ writer.write('<?xml version="1.0" ?>'+newl)
+ else:
+ writer.write('<?xml version="1.0" encoding="%s"?>%s' % (encoding, newl))
+ for node in self.childNodes:
+ node.writexml(writer, indent, addindent, newl)
+
+ # DOM Level 3 (WD 9 April 2002)
+
+ def renameNode(self, n, namespaceURI, name):
+ if n.ownerDocument is not self:
+ raise xml.dom.WrongDocumentErr(
+ "cannot rename nodes from other documents;\n"
+ "expected %s,\nfound %s" % (self, n.ownerDocument))
+ if n.nodeType not in (Node.ELEMENT_NODE, Node.ATTRIBUTE_NODE):
+ raise xml.dom.NotSupportedErr(
+ "renameNode() only applies to element and attribute nodes")
+ if namespaceURI != EMPTY_NAMESPACE:
+ if ':' in name:
+ prefix, localName = name.split(':', 1)
+ if ( prefix == "xmlns"
+ and namespaceURI != xml.dom.XMLNS_NAMESPACE):
+ raise xml.dom.NamespaceErr(
+ "illegal use of 'xmlns' prefix")
+ else:
+ if ( name == "xmlns"
+ and namespaceURI != xml.dom.XMLNS_NAMESPACE
+ and n.nodeType == Node.ATTRIBUTE_NODE):
+ raise xml.dom.NamespaceErr(
+ "illegal use of the 'xmlns' attribute")
+ prefix = None
+ localName = name
+ else:
+ prefix = None
+ localName = None
+ if n.nodeType == Node.ATTRIBUTE_NODE:
+ element = n.ownerElement
+ if element is not None:
+ is_id = n._is_id
+ element.removeAttributeNode(n)
+ else:
+ element = None
+ # avoid __setattr__
+ d = n.__dict__
+ d['prefix'] = prefix
+ d['localName'] = localName
+ d['namespaceURI'] = namespaceURI
+ d['nodeName'] = name
+ if n.nodeType == Node.ELEMENT_NODE:
+ d['tagName'] = name
+ else:
+ # attribute node
+ d['name'] = name
+ if element is not None:
+ element.setAttributeNode(n)
+ if is_id:
+ element.setIdAttributeNode(n)
+ # It's not clear from a semantic perspective whether we should
+ # call the user data handlers for the NODE_RENAMED event since
+ # we're re-using the existing node. The draft spec has been
+ # interpreted as meaning "no, don't call the handler unless a
+ # new node is created."
+ return n
+
+defproperty(Document, "documentElement",
+ doc="Top-level element of this document.")
+
+
+def _clone_node(node, deep, newOwnerDocument):
+ """
+ Clone a node and give it the new owner document.
+ Called by Node.cloneNode and Document.importNode
+ """
+ if node.ownerDocument.isSameNode(newOwnerDocument):
+ operation = xml.dom.UserDataHandler.NODE_CLONED
+ else:
+ operation = xml.dom.UserDataHandler.NODE_IMPORTED
+ if node.nodeType == Node.ELEMENT_NODE:
+ clone = newOwnerDocument.createElementNS(node.namespaceURI,
+ node.nodeName)
+ for attr in node.attributes.values():
+ clone.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value)
+ a = clone.getAttributeNodeNS(attr.namespaceURI, attr.localName)
+ a.specified = attr.specified
+
+ if deep:
+ for child in node.childNodes:
+ c = _clone_node(child, deep, newOwnerDocument)
+ clone.appendChild(c)
+
+ elif node.nodeType == Node.DOCUMENT_FRAGMENT_NODE:
+ clone = newOwnerDocument.createDocumentFragment()
+ if deep:
+ for child in node.childNodes:
+ c = _clone_node(child, deep, newOwnerDocument)
+ clone.appendChild(c)
+
+ elif node.nodeType == Node.TEXT_NODE:
+ clone = newOwnerDocument.createTextNode(node.data)
+ elif node.nodeType == Node.CDATA_SECTION_NODE:
+ clone = newOwnerDocument.createCDATASection(node.data)
+ elif node.nodeType == Node.PROCESSING_INSTRUCTION_NODE:
+ clone = newOwnerDocument.createProcessingInstruction(node.target,
+ node.data)
+ elif node.nodeType == Node.COMMENT_NODE:
+ clone = newOwnerDocument.createComment(node.data)
+ elif node.nodeType == Node.ATTRIBUTE_NODE:
+ clone = newOwnerDocument.createAttributeNS(node.namespaceURI,
+ node.nodeName)
+ clone.specified = True
+ clone.value = node.value
+ elif node.nodeType == Node.DOCUMENT_TYPE_NODE:
+ assert node.ownerDocument is not newOwnerDocument
+ operation = xml.dom.UserDataHandler.NODE_IMPORTED
+ clone = newOwnerDocument.implementation.createDocumentType(
+ node.name, node.publicId, node.systemId)
+ clone.ownerDocument = newOwnerDocument
+ if deep:
+ clone.entities._seq = []
+ clone.notations._seq = []
+ for n in node.notations._seq:
+ notation = Notation(n.nodeName, n.publicId, n.systemId)
+ notation.ownerDocument = newOwnerDocument
+ clone.notations._seq.append(notation)
+ if hasattr(n, '_call_user_data_handler'):
+ n._call_user_data_handler(operation, n, notation)
+ for e in node.entities._seq:
+ entity = Entity(e.nodeName, e.publicId, e.systemId,
+ e.notationName)
+ entity.actualEncoding = e.actualEncoding
+ entity.encoding = e.encoding
+ entity.version = e.version
+ entity.ownerDocument = newOwnerDocument
+ clone.entities._seq.append(entity)
+ if hasattr(e, '_call_user_data_handler'):
+ e._call_user_data_handler(operation, n, entity)
+ else:
+ # Note the cloning of Document and DocumentType nodes is
+ # implemenetation specific. minidom handles those cases
+ # directly in the cloneNode() methods.
+ raise xml.dom.NotSupportedErr("Cannot clone node %s" % repr(node))
+
+ # Check for _call_user_data_handler() since this could conceivably
+ # used with other DOM implementations (one of the FourThought
+ # DOMs, perhaps?).
+ if hasattr(node, '_call_user_data_handler'):
+ node._call_user_data_handler(operation, node, clone)
+ return clone
+
+
+def _nssplit(qualifiedName):
+ fields = qualifiedName.split(':', 1)
+ if len(fields) == 2:
+ return fields
+ else:
+ return (None, fields[0])
+
+
+def _get_StringIO():
+ # we can't use cStringIO since it doesn't support Unicode strings
+ from StringIO import StringIO
+ return StringIO()
+
+def _do_pulldom_parse(func, args, kwargs):
+ events = func(*args, **kwargs)
+ toktype, rootNode = events.getEvent()
+ events.expandNode(rootNode)
+ events.clear()
+ return rootNode
+
+def parse(file, parser=None, bufsize=None):
+ """Parse a file into a DOM by filename or file object."""
+ if parser is None and not bufsize:
+ from xml.dom import expatbuilder
+ return expatbuilder.parse(file)
+ else:
+ from xml.dom import pulldom
+ return _do_pulldom_parse(pulldom.parse, (file,),
+ {'parser': parser, 'bufsize': bufsize})
+
+def parseString(string, parser=None):
+ """Parse a file into a DOM from a string."""
+ if parser is None:
+ from xml.dom import expatbuilder
+ return expatbuilder.parseString(string)
+ else:
+ from xml.dom import pulldom
+ return _do_pulldom_parse(pulldom.parseString, (string,),
+ {'parser': parser})
+
+def getDOMImplementation(features=None):
+ if features:
+ if isinstance(features, StringTypes):
+ features = domreg._parse_feature_string(features)
+ for f, v in features:
+ if not Document.implementation.hasFeature(f, v):
+ return None
+ return Document.implementation