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[xsl] looking for best way to group elements

2006-09-09 13:15:59
Hi,

I'm struggling to transform XML that looks like this:

<group name="Languages" displayName="Languages" order="4">
    <field name="ppl_language" displayName="Language"> Spanish </field>
    <field name="ppl_language" displayName="Language"> Portuguese </field>
    <field name="ppl_language_native" displayName="Native?"> Yes </field>
    <field name="ppl_language_native" displayName="Native?"> No </field>
    <field name="ppl_language_speak" displayName="Spoken"> Fluent </field>
<field name="ppl_language_speak" displayName="Spoken"> Functional </field>
    <field name="ppl_language_write" displayName="Written"> Fluent </field>
<field name="ppl_language_write" displayName="Written"> Survival </field>
</group>

What I need is output that looks like this:

Language: Spanish
Native?: Yes
Spoken: Fluent
Written: Fluent

Language: Portuguese
Native?: No
Spoken: Functional
Written: Survival

That is, the source document contains <field/> elements that are returned grouped by their @name attribute values. The <field/> elements are always returned in the order stated above, ppl_language, ppl_language_native, ppl_language_speak, and ppl_language_write. There can be an arbitrary number of language entries in the list, but it is guaranteed that for every entry, all four <field/> elements will exist.

I am having trouble devising a strategy/writing a match pattern to group the elements correctly. Can anyone make a suggestion? Obviously, the problem is that there is only one <group/> element that is the parent for all <field/> elements, no matter how many <field/> elements there are. I'm using XSLT/XPath 2.0.

Best regards,

--Bill

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