Re: Whose error is it anyway

I have since changed the code but this is the rest of the template rule but
trying to reconstruct it

<xsl:template
match="*[map:contains($actions,tokenize(.,'\W')[1][matches(.,'\i\c*')])]">
      <xsl:variable name="action" as="xs:string+"
select="tokenize(.,'\s')[1]"/>
      <xsl:copy>
         <xsl:variable name="encodedAction">
             <xsl:element
name="{map:get($actions,$action)}">{normalize-space(substring-after(.,$action))}</xsl:element>
         </xsl:variable>
         <xsl:apply-templates select="$encodedAction"/>
      </xsl:copy>
   </xsl:template>

Note an error I overlooked - the first tokenize used '\W' and the second
'\s' which led to the situation.

I wasn't going to mention this but now that I have pasted the whole code
when I corrected the 2nd tokenize to '\W'  the transform threw a bash shell
error (invalid fork argument)




On Fri, Aug 14, 2020 at 8:46 AM Ihe Onwuka <[email protected]> wrote:

> line 67
> <xsl:element
> name="{map:get($actions,$action)}">{normalize-space(substring-after(.,$action))}</xsl:element>
>
> where the @name did not evaluate to a valid XML name.
>
> On Fri, Aug 14, 2020 at 8:20 AM Michael Kay <mike-JkSD5nQpfvpWk0Htik3J/[email protected]> wrote:
>
>> What's on line 67? Is it the declaration of global variable $actions?
>> Otherwise, I can't see why evaluating this pattern should result in a call
>> on xsl:element.
>>
>> Michael Kay
>> Saxonica
>>
>> On 14 Aug 2020, at 13:04, Ihe Onwuka <[email protected]> wrote:
>>
>> Happened again.
>>
>> My code. <xsl:template
>> match="*[map:contains($actions,tokenize(.,'\W')[1][matches(.,'\i\c*')])]">
>>
>> Clearly it doesn't like the zero length string.
>>
>> Warning at char 1 in xsl:template/@match on line 63 column 92 of
>> *****.xsl:
>>   XPTY0004  An error occurred matching pattern
>>   {element()[Q{
>> http://www.w3.org/2005/xpath-functions/map}contains($actions,
>>   exactly-one((first(tokenize(convertUntyped(data(.)), "\W",
>> "")))[matches(., "\i\c*", "")]))]}:
>> Error at char 9 in expression in xsl:element/@name on line 67 column 55
>> of ******.xsl:
>>   XTDE0820  Supplied element name is a zero-length string
>>
>> On Thu, Aug 13, 2020 at 6:40 PM Ihe Onwuka <[email protected]> wrote:
>>
>>> I tried but cannot reconstruct a snippet that reproduces. The hint as to
>>> what happened in my use case was the best I could offer.
>>>
>>> On Thu, Aug 13, 2020 at 6:15 PM Michael Kay <mike-JkSD5nQpfvpWk0Htik3J/[email protected]> wrote:
>>>
>>>> If you post a repro that we can run, that's useful as we can examine
>>>> the error messages, see what's causing them, and test any improvements.
>>>> With only snippets like this, there's not really any effective action we
>>>> can take.
>>>>
>>>> Michael Kay
>>>> Saxonica
>>>>
>>>> On 13 Aug 2020, at 18:53, Ihe Onwuka <[email protected]> wrote:
>>>>
>>>> I can tell you that the error went away when I eliminated the
>>>> possibility of the context element being empty. I struggle to correlate
>>>> that back to the error message that was displayed.
>>>>
>>>> On Thu, Aug 13, 2020 at 10:16 AM Graydon <[email protected]> wrote:
>>>>
>>>>> Both?  The hints about what the optimizer thinks is happening are
>>>>> useful right up until I can't tell where the error is.
>>>>>
>>>>> On August 13, 2020 1:40:48 PM UTC, Michael Kay <mike-JkSD5nQpfvpWk0Htik3J/[email protected]>
>>>>> wrote:
>>>>> >Yes, we should probably retain the original pattern as a string rather
>>>>> >than trying to reconstitute it from the compiled form.
>>>>> >
>>>>> >Michael Kay
>>>>> >Saxonica
>>>>> >
>>>>> >> On 13 Aug 2020, at 13:52, Ihe Onwuka <[email protected]> wrote:
>>>>> >>
>>>>> >> This is not my code.
>>>>> >>
>>>>> >> Warning at char 1 in xsl:template/@match on line 62 column 72 of
>>>>> >******.xsl:
>>>>> >>   XPTY0004  An error occurred matching pattern
>>>>> >>
>>>>> >{element()[Q{
>>>>> http://www.w3.org/2005/xpath-functions/map}contains($actions
>>>>> ><http://www.w3.org/2005/xpath-functions/map%7Dcontains($actions>,
>>>>> >>   exactly-one(first(tokenize(convertUntyped(data(.)), "\s",
>>>>> ""))))]}:
>>>>> >>
>>>>> >> My code was
>>>>> >>
>>>>> >>
>>>>> >>    <xsl:template
>>>>> >match="*[map:contains($actions,tokenize(.,'\s')[1])]">
>>>>> >> _______________________________________________
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>>>>
>>>>
>>

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