[Haskell-cafe] Parsing XML
jeffbrown.the at gmail.com
Mon Aug 16 00:31:28 UTC 2021
I really enjoyed hxt. If it's of interest, here's a simple program I wrote
to convert Freeplane (.mm) files to org format.
On Sun, Aug 15, 2021 at 3:50 PM Ivan Perez <ivanperezdominguez at gmail.com>
> DTDToHaskell was indeed a great idea. However, the last time I tried to
> use HaXml for a real project, I was not able to compile the resulting file
> because the DTD defined two namespaces. It would be great if someone could
> address that limitation.
> As with many other topics, XML handling is an area where it's easy to make
> a novel library based on a new concept, but *very* hard to create a full,
> industry-ready implementation that handles non-trivial, real-world DTDs and
> Just in this thread, people have listed many libraries. Their features
> overlap in part but not perfectly. Their level of maintainership is
> unclear. Comparing all of this work to determine what a good choice would
> be is VERY hard* . To me, this highlights the fact that our community might
> do better if we focused on contributing to existing implementations, and
> resisted the urge to create new ones.
> All the best,
> (*It's not always easy to measure any one dimension. The complexity of
> comparing implementations may quickly degenerate to something like m * (n ^
> 2) where m is the number of dimensions compared and n is the number of
> solutions, but I think it can get even worse, but even then you may be left
> with the task of defining a good order relationship on an m-dimensional
> space. All of this to say that it's REALLY complex and adding a new
> implementation should rarely be seen as the solution.)
> On Sun, 15 Aug 2021 at 16:17, amindfv--- via Haskell-Cafe <
> haskell-cafe at haskell.org> wrote:
>> HaXml is pretty old at this point but one big advantage is it has an
>> executable DtdToHaskell which takes an XML DTD file and automatically
>> creates Haskell data types, a parser, and a pretty-printer.
>> On Tue, Aug 03, 2021 at 12:45:44PM -0400, John Arnold wrote:
>> > I am building a prototype for processing ISO 20022 Payment Initiation
>> > messages. These messages are in XML format and I want the prototype to
>> > built using Haskell.
>> > Conducting a search for 'Haskell XML parsing' yields postings that are
>> > the region of 10+yrs old.
>> > I am sure there are packages that have been developed/update in the
>> > past.
>> > Any thoughts?
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