[Expat-discuss] Abort parsing from inside an handler?

[Karl Waclawek]

> Hi,
> 
> Let say I'm inside the elementstart handler and I detect something wrong in
> the file format.
> I want to stop the parsing process.
> 
> Right now I do the following:
> 
> In my userdata structure I have:
> bool bolError
> 
> In my elementstart handler, if I detect an error, I set bolError to true.
> 
> In my main loop, after the XML_Parse call, I check the bolError flag and I
> stop the parsing if necessary.
> 
> It work not so bad but the parsing does not stop immediately when I catch
> the error but when the current buffer sent to XML_Parse in completely
> parsed.
> 
> So my question is: is there a way to abort the parsing from inside an
> handler?

Yes, use setjmp/longjmp when using C, or throw an exception
when using a language that has exceptions.

Karl