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Issue #2170: refactored xml.dom.minidom.normalize, increasing both

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its clarity and its speed.
This commit is contained in:
R. David Murray 2009-04-09 21:54:50 +00:00
parent ad95826c33
commit 0374a82f75
3 changed files with 175 additions and 18 deletions
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29
Lib/xml/dom/minidom.py
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@ -177,34 +177,27 @@ class Node(xml.dom.Node):
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:
if not child.data:
# empty text node; discard
if L:
L[-1].nextSibling = child.nextSibling
if child.nextSibling:
child.nextSibling.previousSibling = child.previousSibling
child.unlink()
elif L and L[-1].nodeType == child.nodeType:
# collapse text node
node = L[-1]
node.data = node.data + child.data
node.nextSibling = child.nextSibling
if child.nextSibling:
child.nextSibling.previousSibling = node
child.unlink()
elif data:
if L:
L[-1].nextSibling = child
child.previousSibling = L[-1]
else:
child.previousSibling = None
else:
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):