[jira] Commented: (XALANJ-1522) function-available fails for exsl:node-set or exsl:object-type

["Gert van der Kaaden (JIRA)" <xa...@xml.apache.org>]

     [ http://issues.apache.org/jira/browse/XALANJ-1522?page=comments#action_61398 ]
     
Gert van der Kaaden commented on XALANJ-1522:
---------------------------------------------

For most of the functions with a dash in the name the Xalan javadoc says:
"The Xalan extensions MethodResolver converts 'function-with-dash' to 'functionWithDash'."
So I tried the stylesheet:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                xmlns:exslt="http://exslt.org/common"
                xmlns:set="http://exslt.org/sets"
                xmlns:datetime="http://exslt.org/dates-and-times"
                exclude-result-prefixes="exslt set datetime"
                version="1.0">

  <xsl:output method="xml" encoding="UTF-8" indent="yes"/>

  <xsl:template match="/">
    <result>
      <xsl:if test="function-available('count')">
        <p>count available</p>
      </xsl:if>
      <xsl:if test="function-available('exslt:node-set')">
        <p>exsl:node-set available</p>
      </xsl:if>
      <xsl:if test="function-available('exslt:nodeSet')">
        <p>exsl:nodeSet available</p>
      </xsl:if>
      <xsl:if test="function-available('exslt:object-type')">
        <p>exsl:object-type available</p>
      </xsl:if>
      <xsl:if test="function-available('exslt:objectType')">
        <p>exsl:objectType available</p>
      </xsl:if>
      <xsl:if test="function-available('set:has-same-node')">
        <p>set:has-same-node available</p>
      </xsl:if>
      <xsl:if test="function-available('set:hasSameNode')">
        <p>set:hasSameNode available</p>
      </xsl:if>
      <xsl:if test="function-available('datetime:date-time')">
        <p>datetime:date-time available</p>
      </xsl:if>
      <xsl:if test="function-available('datetime:dateTime')">
        <p>datetime:dateTime available</p>
      </xsl:if>
    </result>
  </xsl:template>

</xsl:stylesheet>

with the following result:

<?xml version="1.0" encoding="UTF-8"?>
<result>
<p>count available</p>
<p>exsl:nodeSet available</p>
<p>exsl:objectType available</p>
<p>set:hasSameNode available</p>
<p>datetime:dateTime available</p>
</result>

I guess that in the implementation of 'function-available' the input parameter should be converted from aaa-bbb to aaaBbb (via the MethodResolver?) before the actual lookup is done. This should also be a solution for bug XALANJ-1972, about dates-and-times.
Probably the implementation of 'element-available' must be updated in the same way.


> function-available fails for exsl:node-set or exsl:object-type
> --------------------------------------------------------------
>
>          Key: XALANJ-1522
>          URL: http://issues.apache.org/jira/browse/XALANJ-1522
>      Project: XalanJ2
>         Type: Bug
>   Components: Xalan-extensions
>     Versions: CurrentCVS
>  Environment: Operating System: All
> Platform: All
>     Reporter: Pete Edwards
>     Assignee: Xalan Developers Mailing List

>
> The function "function-available" fails to identify exslt common functions.
> Stylesheet:
> <?xml version="1.0" encoding="UTF-8"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0" 
>   xmlns:set="http://exslt.org/sets" 
>   xmlns:exsl="http://exslt.org/common"
>   xmlns:str="http://exslt.org/strings" 
>   xmlns:xalan="http://xml.apache.org/xslt" 
>   extension-element-prefixes="set str exsl xalan" 
>   exclude-result-prefixes="set str exsl xalan"
> >
>   <xsl:template match="test">
>     <results>
>       <xsl:if test="function-available('count')">
>         <p>count available</p>
>       </xsl:if>
>       <xsl:if test="function-available('set:distinct')">
>         <p>set:distinct available</p>
>       </xsl:if>
>       <xsl:if test="function-available('str:tokenize')">
>         <p>str:tokenize available</p>
>       </xsl:if>
>       <xsl:if test="function-available('exsl:node-set')">
>         <p>exsl:node-set available</p>
>       </xsl:if>
>       <xsl:if test="function-available('exsl:object-type')">
>         <p>exsl:object-type available</p>
>       </xsl:if>
>       <xsl:if test="function-available('xalan:nodeset')">
>         <p>xalan:nodeset available</p>
>       </xsl:if>
>     </results>
>   </xsl:template>
> </xsl:stylesheet>
> XML:
> <?xml version="1.0" encoding="UTF-8"?>
> <test/>
> Results with Xalan 2.6.0:
> <results>
>   <p>count available</p>
>   <p>set:distinct available</p>
>   <p>str:tokenize available</p>
>   <p>xalan:nodeset available</p>
> </results>
> Results with xsltproc:
> <results>
>   <p>count available</p>
>   <p>set:distinct available</p>
>   <p>str:tokenize available</p>
>   <p>exsl:node-set available</p>
>   <p>exsl:object-type available</p>
> </results>

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