# cosax.py
#
# An example showing how to push SAX events into a coroutine target

import xml.sax

class EventHandler(xml.sax.ContentHandler):
    def __init__(self,target):
        self.target = target
    def startElement(self,name,attrs):
        self.target.send(('start',(name,attrs._attrs)))
    def characters(self,text):
        self.target.send(('text',text))
    def endElement(self,name):
        self.target.send(('end',name))

# example use
if __name__ == '__main__':
    from coroutine import *

    @coroutine
    def printer():
        while True:
            event = (yield)
            print event

    xml.sax.parse("allroutes.xml",
                  EventHandler(printer()))