[swift-users] XML parsing on Linux, with Swift 3.1

[Bouke Haarsma]

On 2017-09-05 06:01:55 +0000, Georgios Moschovitis via swift-users said:

> Hi,
> 
> I would like to parse an RSS feed using Swift 3.1 on Linux.
> I tried to use Foundations’s XML but I only managed to get segmentation faults.
> Is this supposed to work on Linux? I have only seen examples on iOS.
> 
> Apart from that a quick search didn’t reveal any useful XML parsing 
> library compatible with Linux.
> 
> Any suggestions?
> 
> -g.
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XMLParser is a SAX-based parser, which is optimized for memory-usage. 
There's also XMLDocument, which is DOM-based and is optimized for 
developer convenience. If the XML files you're reading are small, i.e. 
few megabytes, DOM-based is usually the easiest way to handle such 
documents. XMLDocument is also implemented in Swift-Foundation, but I 
found that it was lacking too much functionality (e.g. namespacing). 
The situation might be different now -- you could check the source for 
`NSUnimplemented()`.

Other options is to link libxml2 (C library), however that requires 
much more effort on your end -- it doesn't expose high-level API's such 
as XMLDocument.

--Bouke