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List: xml-dev
Subject: Re: [xml-dev] Seeking code for Xpath type signature detector
From: Rick Jelliffe <rjelliffe () allette ! com ! au>
Date: 2021-07-16 15:45:00
Message-ID: CADUdYQW434v+PREuki1_NwX8+wFS1pzDNhi2Lre3w1ENM_oOXg () mail ! gmail ! com
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Ha :-) That is exactly what I started on. Then I decided to ask around,
because it seems like something that should be floating around.
Rick.
On Sat, 17 Jul. 2021, 00:46 Tony Graham, <tgraham@antenna.co.jp> wrote:
> On 16/07/2021 11:18, Rick Jelliffe wrote:
> > Does anyone have a pointer to code (XSLT or any C-alike) which takes
> > an XPath (3.n would be great) and gives you the type signature of
> > what it will return?
> >
> > e.g. //nook//cranny will return 'element('cranny')' in whatever
> > notation or form.
> >
> > I am really only concerned with Xpath node types and their names if
> > any, not XSD datatypes.
>
> You could start with one of the XPath grammars for the REx Parser
> Generator [1], generate a parser in your target language of choice, then
> do whatever you want with the representation that the parser generates.
>
> Regards,
>
>
> Tony Graham.
> --
> Senior Architect
> XML Division
> Antenna House, Inc.
> ----
> Skerries, Ireland
> tgraham@antenna.co.jp
>
>
> [1] https://www.bottlecaps.de/rex/
>
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[Attachment #3 (text/html)]
<div dir="auto">Ha :-) That is exactly what I started on. Then I decided to ask \
around, because it seems like something that should be floating around.<div \
dir="auto"><br></div><div dir="auto">Rick.</div></div><br><div \
class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, 17 Jul. 2021, 00:46 \
Tony Graham, <<a href="mailto:tgraham@antenna.co.jp">tgraham@antenna.co.jp</a>> \
wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 \
.8ex;border-left:1px #ccc solid;padding-left:1ex">On 16/07/2021 11:18, Rick Jelliffe \
wrote:<br> > Does anyone have a pointer to code (XSLT or any C-alike) which \
takes<br> > an XPath (3.n would be great) and gives you the type signature of<br>
> what it will return?<br>
> <br>
> e.g. //nook//cranny will return 'element('cranny')' \
in whatever<br> > notation or form.<br>
> <br>
> I am really only concerned with Xpath node types and their names if<br>
> any, not XSD datatypes.<br>
<br>
You could start with one of the XPath grammars for the REx Parser<br>
Generator [1], generate a parser in your target language of choice, then<br>
do whatever you want with the representation that the parser generates.<br>
<br>
Regards,<br>
<br>
<br>
Tony Graham.<br>
-- <br>
Senior Architect<br>
XML Division<br>
Antenna House, Inc.<br>
----<br>
Skerries, Ireland<br>
<a href="mailto:tgraham@antenna.co.jp" target="_blank" \
rel="noreferrer">tgraham@antenna.co.jp</a><br> <br>
<br>
[1] <a href="https://www.bottlecaps.de/rex/" rel="noreferrer noreferrer" \
target="_blank">https://www.bottlecaps.de/rex/</a><br> <br>
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</blockquote></div>
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