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"""
A SAX driver for David Scheres XML-Toolkit parser.
"""
version="0.20"
import sys
from xml.sax import saxlib,saxutils
import XMLFactory,XMLClient,urllib2
class SAX_XTClient(saxlib.Parser,XMLClient.ClientBase):
def __init__(self):
XMLClient.ClientBase.__init__(self)
saxlib.Parser.__init__(self)
self.reset()
def text(self,obj):
v=obj.value()
self.doc_handler.characters(v,0,len(v))
def pi(self,obj):
if obj.nameOf()=="xml": return # Don't report the XML declaration
content=""
for part in obj.value():
content=content+part.value()+" "
self.doc_handler.processingInstruction(obj.nameOf(),content[:-1])
def emptyTag(self,obj):
attrs={}
for assoc in obj.value():
attrs[assoc.nameOf()]=assoc.value()
self.doc_handler.startElement(obj.nameOf(),
saxutils.AttributeMap(attrs))
self.doc_handler.endElement(obj.nameOf())
def nonEmptyTag(self,obj):
attrs={}
for assoc in obj.value():
attrs[assoc.nameOf()]=assoc.value()
self.doc_handler.startElement(obj.nameOf(),
saxutils.AttributeMap(attrs))
def endTag(self,obj):
self.doc_handler.endElement(obj.nameOf())
def CDATA(self,obj):
v=obj.value()
self.doc_handler.characters(v,0,len(v))
def comment(self,obj):
pass # SAX ignores comments
def parse(self, sysID):
i=urllib2.urlopen(sysID)
self.parseFile(i)
i.close()
def parseFile(self, file):
self.reset()
while 1:
buf=file.read(16384)
if buf=="": break
self.feed(buf)
self.close()
# --- EXPERIMENTAL SAX PYTHON EXTENSIONS
def get_parser_name(self):
return "xmltoolkit"
def get_parser_version(self):
return "Unknown"
def get_driver_version(self):
return version
def is_validating(self):
return 0
def is_dtd_reading(self):
return 0
def reset(self):
self.parser=XMLFactory.XMLFactory(self)
self.unfed_so_far=1
def feed(self,data):
if self.unfed_so_far:
self.doc_handler.startDocument()
self.unfed_so_far=0
self.parser.feed(data)
def close(self):
self.parser.endfile()
self.doc_handler.endDocument()
def create_parser():
return SAX_XTClient()
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