[Expat-discuss] Parsing External Entities

[Karl Waclawek]

----- Original Message ----- 
From: "Michael B. Allen" <miallen at eskimo.com>
To: <expat-discuss at libexpat.org>
Sent: Wednesday, January 15, 2003 2:44 AM


> Now this may be my ignorace of XML but when I run this through my
> dump program which just regurgitates XML the ExternalEntityRefHandler
> runs OK and as you can see from the dialog below it completed parsing
> the DOCTYPE definition however it is not resolving the internal entity
> 'E'. If I remove 'SYSTEM "err.dtd"' the entity is resolved properly and
> the program completes successfully. Why does this happen?
> 
>   <?xml version="1.0"?>
>   <?DOCTYPE staff SYSTEM "err.dtd" [
>      <!ENTITY E "This is a general entity">
>      <!ELEMENT employeeId (#PCDATA)>
>   ]><err>
>   expatdump.c:270:parse: An XML parser error occured: line 6 col 15 off 40: undefined entity:
>   eneral entity"> ]> <err> The entity is: &E; </err>
>                                           ^
>     expatdump.c:352:expatdump: 
>     expatdump.c:380:main: Failure

This should work.
You should provide more detail about how you are setting up
and calling Expat. Reduce it to a short code example and post it.

> 
> Also, using the external entity XML_Parser created with
> XML_ExternalEntityParserCreate my dump program segfaults if I attempt
> to free it with XML_ParserFree. I suppose this parser is simply the same
> parser in a different state and therefore I need not free it?

No, you must free it. Need more detail.
Which version of Expat are you using?

Karl