Can the jwL:compileGrammar be improved to convert its input to a string if an input node with a grammar is passed in? #2
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Martin,
I’m currently on holiday but should be able to look at your question about Wednesday or Thursday this week
John
…Sent from my iPad
On 25 Jul 2022, at 10:58, martin-honnen ***@***.***> wrote:
Hi John,
I have started to try to integrate your Invisible XML library in my XSLT 3, SaxonJS based fidde at https://martin-honnen.github.io/xslt3fiddle/index-iXML.html. I hope I have understood the documentation and comments in the code fine, I have run into one oddity where I wonder whether your function signature or the type checking in the function can be improved.
Sometimes I expect the input XML of the XSLT transformation to contain a grammar to be parsed in some XML element e.g. in a sample I have
<?xml version="1.0" encoding="utf-8"?>
<html lang="en">
<head>
<title>Saxon-JS 2.4 XSLT 3 and iXML fiddle</title>
</head>
<body>
<section>
<h1>jwiXML Test</h1>
<section>
<h3>Invisible XML example</h3>
<section>
<h4>Grammar</h4>
<pre><code id="grammar1">Countries = Country*.
Country = Name, -'/', Code, -'/', Line, #A?.
Name = ['A'-'Z'],['A'-'Z'].
Code = ['0'-'9'],['0'-'9'],['0'-'9'].
Line = ['0'-'9'],['0'-'9'].</code>
</pre>
<h4>Sample data</h4>
<pre><code id="data">UK/006/10
US/004/12</code></pre>
</section>
</section>
</section>
</body>
</html>
and then it "only" works fine to pass the string value of that code id="grammar1" element to the jwL:compileGrammar function, i.e. doing
<xsl:sequence
***@***.*** = 'grammar1']/string()), ***@***.*** = 'data'])?tree"/>
works fine, however simply passing the element node, as in
<xsl:sequence
***@***.*** = 'grammar1']), ***@***.*** = 'data'])?tree"/>
gives me an error Failed to call method function(a){a instanceof Document?(a=Cb(a),a.compile()):(a=(new Db).parse(a),a.compile());return a}.
Is that expected? I am afraid I am not able to infer what the minimized Cb(a) or (new Db).parse(a) are supposed to do or what kind of input they take.
So I need your help to tell me whether the explicit string conversion I needed to do is a wanted requirement or whether you can improve the function/API to do that automagically.
Full examples are: failure , success.
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Thanks, @johnlumle, with your update the test now works fine. |
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Hi John,
I have started to try to integrate your Invisible XML library in my XSLT 3, SaxonJS based fidde at https://martin-honnen.github.io/xslt3fiddle/index-iXML.html. I hope I have understood the documentation and comments in the code fine, I have run into one oddity where I wonder whether your function signature or the type checking in the function can be improved.
Sometimes I expect the input XML of the XSLT transformation to contain a grammar to be parsed in some XML element e.g. in a sample I have
and then it "only" works fine to pass the string value of that
code id="grammar1"element to thejwL:compileGrammarfunction, i.e. doingworks fine, however simply passing the element node, as in
gives me an error
Failed to call method function(a){a instanceof Document?(a=Cb(a),a.compile()):(a=(new Db).parse(a),a.compile());return a}.Is that expected? I am afraid I am not able to infer what the minimized
Cb(a)or(new Db).parse(a)are supposed to do or what kind of input they take.So I need your help to tell me whether the explicit string conversion I needed to do is a wanted requirement or whether you can improve the function/API to do that automagically.
Full examples are: failure , success.
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