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https://gitlab.gnome.org/GNOME/libxml2.git
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integrated the Python 2.2 optimizations from Hannu Krosing, while
* python/libxml.py: integrated the Python 2.2 optimizations from Hannu Krosing, while maintaining compatibility with 1.5 and 2.1 Daniel
This commit is contained in:
Daniel Veillard
212
python/libxml.py
212
python/libxml.py
@ -208,57 +208,6 @@ class xmlCore:
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self._o = _obj;
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return
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self._o = None
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def __getattr__(self, attr):
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if attr == "parent":
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ret = libxml2mod.parent(self._o)
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if ret == None:
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return None
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return xmlNode(_obj=ret)
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elif attr == "properties":
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ret = libxml2mod.properties(self._o)
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if ret == None:
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return None
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return xmlAttr(_obj=ret)
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elif attr == "children":
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ret = libxml2mod.children(self._o)
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if ret == None:
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return None
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return xmlNode(_obj=ret)
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elif attr == "last":
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ret = libxml2mod.last(self._o)
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if ret == None:
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return None
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return xmlNode(_obj=ret)
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elif attr == "next":
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ret = libxml2mod.next(self._o)
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if ret == None:
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return None
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return xmlNode(_obj=ret)
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elif attr == "prev":
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ret = libxml2mod.prev(self._o)
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if ret == None:
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return None
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return xmlNode(_obj=ret)
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elif attr == "content":
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return libxml2mod.xmlNodeGetContent(self._o)
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elif attr == "name":
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return libxml2mod.name(self._o)
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elif attr == "type":
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return libxml2mod.type(self._o)
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elif attr == "doc":
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ret = libxml2mod.doc(self._o)
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if ret == None:
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if self.type == "document_xml" or self.type == "document_html":
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return xmlDoc(_obj=self._o)
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else:
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return None
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return xmlDoc(_obj=ret)
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raise AttributeError,attr
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#
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# Those are common attributes to nearly all type of nodes
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#
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def get_parent(self):
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ret = libxml2mod.parent(self._o)
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if ret == None:
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@ -284,11 +233,6 @@ class xmlCore:
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if ret == None:
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return None
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return xmlAttr(_obj=ret)
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def get_doc(self):
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ret = libxml2mod.doc(self._o)
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if ret == None:
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return None
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return xmlDoc(_obj=ret)
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def get_prev(self):
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ret = libxml2mod.prev(self._o)
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if ret == None:
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@ -296,20 +240,88 @@ class xmlCore:
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return xmlNode(_obj=ret)
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def get_content(self):
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return libxml2mod.xmlNodeGetContent(self._o)
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def getContent(self):
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return libxml2mod.xmlNodeGetContent(self._o)
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getContent = get_content # why is this duplicate naming needed ?
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def get_name(self):
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return libxml2mod.name(self._o)
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def get_type(self):
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return libxml2mod.type(self._o)
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def free(self):
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libxml2mod.freeDoc(self._o)
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def get_doc(self):
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ret = libxml2mod.doc(self._o)
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if ret == None:
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if self.type in ["document_xml", "document_html"]:
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return xmlDoc(_obj=self._o)
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else:
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return None
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return xmlDoc(_obj=ret)
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#
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# Those are common attributes to nearly all type of nodes
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# defined as python2 properties
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#
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import sys
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if float(sys.version[0:3]) < 2.2:
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def __getattr__(self, attr):
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if attr == "parent":
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ret = libxml2mod.parent(self._o)
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if ret == None:
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return None
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return xmlNode(_obj=ret)
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elif attr == "properties":
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ret = libxml2mod.properties(self._o)
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if ret == None:
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return None
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return xmlAttr(_obj=ret)
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elif attr == "children":
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ret = libxml2mod.children(self._o)
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if ret == None:
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return None
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return xmlNode(_obj=ret)
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elif attr == "last":
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ret = libxml2mod.last(self._o)
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if ret == None:
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return None
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return xmlNode(_obj=ret)
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elif attr == "next":
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ret = libxml2mod.next(self._o)
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if ret == None:
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return None
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return xmlNode(_obj=ret)
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elif attr == "prev":
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ret = libxml2mod.prev(self._o)
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if ret == None:
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return None
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return xmlNode(_obj=ret)
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elif attr == "content":
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return libxml2mod.xmlNodeGetContent(self._o)
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elif attr == "name":
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return libxml2mod.name(self._o)
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elif attr == "type":
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return libxml2mod.type(self._o)
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elif attr == "doc":
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ret = libxml2mod.doc(self._o)
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if ret == None:
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if self.type == "document_xml" or self.type == "document_html":
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return xmlDoc(_obj=self._o)
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else:
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return None
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return xmlDoc(_obj=ret)
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raise AttributeError,attr
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else:
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parent = property(get_parent, None, None, "Parent node")
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children = property(get_children, None, None, "First child node")
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last = property(get_last, None, None, "Last sibling node")
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next = property(get_next, None, None, "Next sibling node")
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prev = property(get_prev, None, None, "Previous sibling node")
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properties = property(get_properties, None, None, "List of properies")
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content = property(get_content, None, None, "Content of this node")
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name = property(get_name, None, None, "Node name")
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type = property(get_type, None, None, "Node type")
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doc = property(get_doc, None, None, "The document this node belongs to")
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#
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# Serialization routines, the optional arguments have the following
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# meaning:
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# encoding: string to ask saving in a specific encoding
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# format: if 1 the serializer is asked to indent the output
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# indent: if 1 the serializer is asked to indent the output
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#
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def serialize(self, encoding = None, format = 0):
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return libxml2mod.serializeNode(self._o, encoding, format)
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@ -329,7 +341,82 @@ class xmlCore:
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res = ctxt.xpathEval(expr)
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ctxt.xpathFreeContext()
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return res
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#
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# Selecting nodes using XPath, faster because the context
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# is allocated just once per xmlDoc.
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#
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def xpathEval2(self, expr):
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doc = self.doc
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if doc == None:
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return None
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try:
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doc._ctxt.setContextNode(self)
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except:
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doc._ctxt = doc.xpathNewContext()
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doc._ctxt.setContextNode(self)
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res = doc._ctxt.xpathEval(expr)
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return res
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# support for python2 iterators
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def walk_depth_first(self):
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return xmlCoreDepthFirstItertor(self)
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def walk_breadth_first(self):
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return xmlCoreBreadthFirstItertor(self)
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__iter__ = walk_depth_first
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def free(self):
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try:
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self.doc._ctxt.xpathFreeContext()
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except:
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pass
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libxml2mod.freeDoc(self._o)
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#
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# implements the depth-first iterator for libxml2 DOM tree
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#
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class xmlCoreDepthFirstItertor:
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def __init__(self, node):
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self.node = node
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self.parents = []
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def __iter__(self):
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return self
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def next(self):
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while 1:
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if self.node:
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ret = self.node
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self.parents.append(self.node)
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self.node = self.node.children
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return ret
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try:
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parent = self.parents.pop()
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except IndexError:
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raise StopIteration
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self.node = parent.next
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#
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# implements the breadth-first iterator for libxml2 DOM tree
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#
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class xmlCoreBreadthFirstItertor:
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def __init__(self, node):
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self.node = node
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self.parents = []
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def __iter__(self):
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return self
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def next(self):
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while 1:
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if self.node:
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ret = self.node
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self.parents.append(self.node)
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self.node = self.node.next
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return ret
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try:
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parent = self.parents.pop()
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except IndexError:
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raise StopIteration
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self.node = parent.children
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#
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# converters to present a nicer view of the XPath returns
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#
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@ -366,7 +453,6 @@ def xpathObjectRet(o):
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def registerXPathFunction(ctxt, name, ns_uri, f):
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ret = libxml2mod.xmlRegisterXPathFunction(ctxt, name, ns_uri, f)
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#
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# For the xmlTextReader parser configuration
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#
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