[XML-SIG] Re: xmlproc, SAX and EntityResolver

[uche.ogbuji@fourthought.com]

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Content-Type: text/plain; charset=us-ascii

> | Unfortunately, on preliminary testing it doesn't appear to work.
> | I'll work on an isolated test case and get back to you.
> 
> Arh! I'm getting confused by all the different versions here. Sorry,
> you need this in xmlproc.py as well to have it call that method (just
> replace the existing method with this, hopefully this does not depend
> on other changes):

Thanks, but maybe there is yet a dependency, because it still doesn't work.  
Here's a small test case.  The SAX app, xml file and DTD are attached.  I get 
results from the startElement (of course), but not from any of the other 
events.

-- 
Uche Ogbuji
FourThought LLC, IT Consultants
uche.ogbuji@fourthought.com	(970)481-0805
Software engineering, project management, Intranets and Extranets
http://FourThought.com		http://OpenTechnology.org


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Content-Type: text/plain ; name="addr_book.dtd"; charset=us-ascii
Content-Description: addr_book.dtd
Content-Disposition: attachment; filename="addr_book.dtd"

<!ELEMENT ADDRBOOK (ENTRY*)>
<!ELEMENT ENTRY (NAME, ADDRESS, PHONENUM*, EMAIL)>
<!ATTLIST ENTRY
    ID ID #REQUIRED
>
<!ELEMENT NAME (#PCDATA)>
<!ELEMENT ADDRESS (#PCDATA)>
<!ELEMENT PHONENUM (#PCDATA)>
<!ATTLIST PHONENUM
    DESC CDATA #REQUIRED
>
<!ELEMENT EMAIL (#PCDATA)>

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Content-Type: text/plain ; name="addr_book1.xml"; charset=us-ascii
Content-Description: addr_book1.xml
Content-Disposition: attachment; filename="addr_book1.xml"

<?xml version = "1.0"?>
<!DOCTYPE ADDRBOOK SYSTEM "addr_book.dtd" [
	<!ENTITY xxx SYSTEM "Mein Kampf">
]>
<ADDRBOOK>
	<ENTRY ID="pa">
		<NAME>Pieter Aaron</NAME>
		<ADDRESS>404 Error Way</ADDRESS>
		<PHONENUM DESC="Work">404-555-1234</PHONENUM>
		<PHONENUM DESC="Fax">404-555-4321</PHONENUM>
		<PHONENUM DESC="Pager">404-555-5555</PHONENUM>
		<EMAIL>pieter.aaron@inter.net</EMAIL>
	</ENTRY>
	<ENTRY ID="en">
		<NAME>Emeka Ndubuisi</NAME>
		<ADDRESS>42 Spam Blvd</ADDRESS>
		<PHONENUM DESC="Work">767-555-7676</PHONENUM>
		<PHONENUM DESC="Fax">767-555-7642</PHONENUM>
		<PHONENUM DESC="Pager">800-SKY-PAGEx767676</PHONENUM>
		<EMAIL>endubuisi@spamtron.com</EMAIL>
	</ENTRY>
	<ENTRY ID="vz">
		<NAME>Vasia Zhugenev</NAME>
		<ADDRESS>2000 Disaster Plaza</ADDRESS>
		<PHONENUM DESC="Work">000-987-6543</PHONENUM>
		<PHONENUM DESC="Cell">000-000-0000</PHONENUM>
		<EMAIL>vxz@magog.ru</EMAIL>
	</ENTRY>
</ADDRBOOK>

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Content-Type: text/plain; name="test_doctype.py"; charset=us-ascii
Content-Description: test_doctype.py
Content-Disposition: attachment; filename="test_doctype.py"
Content-Transfer-Encoding: quoted-printable

import sys
from xml.sax import saxlib, saxexts, drivers

class test_doctype(saxlib.HandlerBase):
    def unparsedEntityDecl (self, publicId, systemId, notationName):
        print "unparsedEntityDecl", publicId, systemId, notationName

    def resolveEntity (self, name, publicId, systemId):
	print "entity", name, publicId, systemId

    def startElement(self, name, attribs):
	print "element", name, attribs

    def warning(self, exception):
	raise exception

    def error(self, exception):
	raise exception

    def fatalError(self, exception):
	raise exception


if __name__ =3D=3D "__main__":
    parser =3D saxexts.XMLValParserFactory.make_parser()
    handler =3D test_doctype()
    parser.setDocumentHandler(handler)
    parser.setDTDHandler(handler)
    parser.setEntityResolver(handler)
    parser.setErrorHandler(handler)

    parser.parseFile(open("addr_book1.xml"))


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