RE: [xsl] Searching in Sub-children from an Array

David,


I have a bit of a problem making this solution work properly: I have two
questions:

1) According to your suggestion, I have tried the following XSL

I have made a demo XML file for a better understanding of the problem:

<tree>
        <fruit ID="111">
                <mango ID="333">
                        <color>Yellow</color>
                </mango>
                <orange ID="222">
                        <color>orange</color>
                </orange>
        </fruit>
        <fruit_adjustment>
                <color>green</color>
                <Steps>111,333</Steps>
        </fruit_adjustment>
</tree>


The idea is to check <Steps> and see which fruit needs a new color. In
this example it is the mango; Its color should be adjusted to Green.
The expected output should be

<tree>
        <fruit ID="111">
                <mango ID="333">
                        <color>green</color>
                </mango>
                <orange ID="222">
                        <color>orange</color>
                </orange>
        </fruit>
</tree>

How do I have to proceed? I have tried this XSL below just to get an
idea, however instead I get this output: 
<?xml version="1.0" encoding="utf-8"?>Yelloworangegreen

Which doesn't give me any clue...


<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
        <xsl:output method="xml" version="1.0" encoding="utf-8"
indent="yes"/>
        
        <xsl:key name="ids" match="*" use="@ID"/>
        
        <xsl:template match="Steps">
                <xsl:variable name="ids" select="tokenize(.,',\s*')"/>
                <xsl:apply-templates mode="step"
select="key('ids',$ids[1])[1]">
                        <xsl:with-param name="ids"
select="$ids[position()!=1]"/>
                </xsl:apply-templates>
        </xsl:template>
        
        <xsl:template mode="step" match="*">
                <xsl:param name="ids"/>
                <xsl:apply-templates mode="step"
select="key('ids',$ids[1],.)[1]">
                        <xsl:with-param name="ids"
select="$ids[position()!=1]"/>
                </xsl:apply-templates>
        </xsl:template>
</xsl:stylesheet>



2) I don't know if the thing above is possible at all, but even if so,
XML Mapping seems to be a bit slow, so I though as an alternative
solution, I could produce the <Steps> with a proper XPATH like this:

<tree>
        <fruit ID="111">
                <mango ID="333">
                        <color>Yellow</color>
                </mango>
                <orange ID="222">
                        <color>orange</color>
                </orange>
        </fruit>
        <fruit_adjustment>
                <color>green</color>
                <Steps>//*[(_at_)ID='111']//*[(_at_)ID='333']</Steps>
        </fruit_adjustment>
</tree>

Would I be then able to copy the <fruit> element and all its children
over and find only the fruit that needs a color change (according to the
XPath in <Steps>) and apply the color change?


Many Thanks,
Houman

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