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XPath support #30

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tecosaur opened this issue Dec 11, 2024 · 0 comments

tecosaur commented Dec 11, 2024

While XML.jl does a great job just with parsing/writing XML documents, it would be great if it provided a few facilities to help work with them too.

One that would be really nice to see is XPath support. I've implemented a simple subset of XPath as a macro in a package of mine:

https://code.tecosaur.net/tec/RestClient.jl/src/branch/main/ext/XMLExt.jl#L102

It works by producing an XPath-getting function from the macro, e.g.

julia> @macroexpand @xpath "some/xpath/@attr"
node -> extract_attr(extract_child(extract_child(node, "some"), "xpath"), "attr")

Perhaps that could be a useful starting point or at least of interest?

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