Re: [Videlibri-xidel] Delete empty xml tags

[Benito v. d. Z. <be...@be...>]

Hi Reino,

>
> It would be really cool if you could turn Xidel into an editing-tool, 
> with updating/inserting/removing element/attribute/text-nodes at the 
> basics. Especially since it's not easy at all to use transform().

That is better implemented as extra library module. If I put it in 
Xidel, people would expect the standard XQuery Update, but that is 
probably full of weird W3C things, which take too long to implement.

I thought about writing an XQuery editing module, but now I have found 
that someone already made one. It only needs slight adjustments for Xidel:

https://github.com/benibela/XQuery-XML-Memory-Operations#pure-xquery-31

Although it currently seems to trigger some kind of namespace bug in 
Xidel, causing it to insert useless namespace declarations.

> Apart from XMLStarlet, which hasn't been updated in 6 years (it can't 
> even edit 'xml_edit-test.xml')

And it is correct to refuse the file. That file is not a valid XML file. 
In an XML file there must be exactly one element that is not a child of 
another element. If Xidel had a correct XML parser, it could not open 
that file either.



Cheers,
Benito
On 05.07.20 22:40, Reino Wijnsma wrote:
> Hello Benito,
>
> On 2020-07-05T17:25:07+0200, Benito van der Zander 
> <be...@be...> wrote:
>> I forgot about this
>> It should be fixed now
>
> Confirmed with xidel-0.9.9.20200705.7422.ad3f9fd36363:
>
> $ xidel xml_edit-test.xml -se 
> 'serialize(transform(/,function($x){$x/(if (empty(*) and 
> empty(text()[normalize-space()]) and not(self::text())) then () else 
> $x)}),map{"indent":true()})'
> <a>
>   <x>string</x>
> </a>
> <a>
>   <x>string</x>
> </a>
>
> Thanks. Lots of code (I saw in the commit) btw for just removing 2 
> lines! :O
> ---
>
> A bit of wishful thinking...
>
> 'test.xml':
> <?xml version="1.0"?>
> <test>
>   <a>10</a>
> </test>
>
> xmlstarlet-1.6.1-win32.exe ed -u "//a" -v 20 test.xml   # Update 
> text-node.
> <?xml version="1.0"?>
> <test>
>   <a>20</a>
> </test>
>
> xmlstarlet-1.6.1-win32.exe ed -a "//a" -t elem -n a -v 20 test.xml   # 
> Append new element.
> <?xml version="1.0"?>
> <test>
>   <a>10</a>
>   <a>20</a>
> </test>
>
> xmlstarlet-1.6.1-win32.exe ed -d "//a" test.xml   # Remove element.
> <?xml version="1.0"?>
> <test/>
>
> xmlstarlet-1.6.1-win32.exe ed -P -d "//a" test.xml   # Remove element 
> and preserve white-space.
> <?xml version="1.0"?>
> <test>
>
> </test>
>
> Apart from XMLStarlet, which hasn't been updated in 6 years (it can't 
> even edit 'xml_edit-test.xml'), I'm not aware of any other up-to-date 
> command-line-tool that can edit xml-files without too much trouble.
> It would be really cool if you could turn Xidel into an editing-tool, 
> with updating/inserting/removing element/attribute/text-nodes at the 
> basics. Especially since it's not easy at all to use transform().
> If such a project is way too much of an effort, then forget about it. 
> But if you'd at least give it a thought, that would be great.
> -- 
> Reino
>
>
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