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faster CharacterDataHandler in NodeBuilder

This commit is contained in:
Dimitur Kirov 2006-02-18 02:08:49 +00:00
parent eacf5fb900
commit 32bfde61e2
1 changed files with 354 additions and 336 deletions
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36
src/common/xmpp/simplexml.py
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@ -57,8 +57,10 @@ class Node:
"node" and other arguments is provided then the node initially created as replica of "node"
provided and then modified to be compliant with other arguments."""
if node:
if self.FORCE_NODE_RECREATION and type(node)==type(self): node=str(node)
if type(node)<>type(self): node=NodeBuilder(node,self)
if self.FORCE_NODE_RECREATION and type(node)==type(self):
node=str(node)
if type(node)<>type(self):
node=NodeBuilder(node,self)
else:
self.name,self.namespace,self.attrs,self.data,self.kids,self.parent = node.name,node.namespace,{},[],[],node.parent
for key in node.attrs.keys(): self.attrs[key]=node.attrs[key]
@ -282,8 +284,8 @@ class NodeBuilder:
self._parser = xml.parsers.expat.ParserCreate(namespace_separator=' ')
self._parser.StartElementHandler = self.starttag
self._parser.EndElementHandler = self.endtag
self._parser.CharacterDataHandler = self.handle_data
self._parser.StartNamespaceDeclHandler = self.handle_namespace_start
self._parser.CharacterDataHandler = self.handle_cdata
self.Parse = self._parser.Parse
self.__depth = 0
@ -292,10 +294,13 @@ class NodeBuilder:
self._mini_dom=initial_node
self.last_is_data = 1
self._ptr=None
self.data_buffer = None
self.namespaces={"http://www.w3.org/XML/1998/namespace":'xml:'}
self.xmlns="http://www.w3.org/XML/1998/namespace"
if data: self._parser.Parse(data,1)
if data:
self._parser.Parse(data,1)
def destroy(self):
""" Method used to allow class instance to be garbage-collected. """
@ -316,8 +321,10 @@ class NodeBuilder:
self.__depth += 1
self.DEBUG(DBG_NODEBUILDER, "DEPTH -> %i , tag -> %s, attrs -> %s" % (self.__depth, tag, `attrs`), 'down')
if self.__depth == self._dispatch_depth:
if not self._mini_dom : self._mini_dom = Node(tag=tag, attrs=attrs)
else: Node.__init__(self._mini_dom,tag=tag, attrs=attrs)
if not self._mini_dom :
self._mini_dom = Node(tag=tag, attrs=attrs)
else:
Node.__init__(self._mini_dom,tag=tag, attrs=attrs)
self._ptr = self._mini_dom
elif self.__depth > self._dispatch_depth:
self._ptr.kids.append(Node(tag=tag,parent=self._ptr,attrs=attrs))
@ -326,12 +333,15 @@ class NodeBuilder:
self._document_attrs = attrs
ns, name = (['']+tag.split())[-2:]
self.stream_header_received(ns, name, attrs)
if not self.last_is_data and self._ptr.parent: self._ptr.parent.data.append('')
if not self.last_is_data and self._ptr.parent:
self._ptr.parent.data.append('')
self.last_is_data = 0
def endtag(self, tag ):
"""XML Parser callback. Used internally"""
self.DEBUG(DBG_NODEBUILDER, "DEPTH -> %i , tag -> %s" % (self.__depth, tag), 'up')
if self.data_buffer:
self._ptr.data.append(''.join(self.data_buffer))
self.data_buffer = None
if self.__depth == self._dispatch_depth:
self.dispatch(self._mini_dom)
elif self.__depth > self._dispatch_depth:
@ -342,7 +352,15 @@ class NodeBuilder:
self.last_is_data = 0
if self.__depth == 0: self.stream_footer_received()
def handle_data(self, data):
def handle_cdata(self, data):
if self.last_is_data:
if self.data_buffer:
self.data_buffer.append(data)
else:
self.data_buffer = [data]
self.last_is_data = 1
def handle_data(self, data, *args):
"""XML Parser callback. Used internally"""
self.DEBUG(DBG_NODEBUILDER, data, 'data')
if not self._ptr: return