OnyxExportOntology: mapVariablesToOnyxOntology.xslt

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:fn="http://www.w3.org/2005/xpath-functions">
        <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
        <xsl:template match="*">
                <xsl:apply-templates select="variables"/>
        </xsl:template>
        <xsl:template match="/variables">
                <xsl:element name="source">
                        <xsl:element name="name">briccs</xsl:element>
                        <!-- only interested in variable elements with a child of categories -->
                        <xsl:apply-templates select="variable[categories]"/>
                </xsl:element>
        </xsl:template>
        <!-- only want one stage element and subsequent section etc so apply only when it's the first in the list rather than all of them -->
        <xsl:template match="variable[categories][position()=1]">
                <xsl:element name="stage">
                        <xsl:element name="name">
                                <xsl:value-of select="attributes/attribute[@name='stage']"/>
                        </xsl:element>
                        <xsl:element name="section">
                                <xsl:element name="name">
                                        <xsl:value-of select="attributes/attribute[@name='section']"/>
                                </xsl:element>
                                <!-- to get the depth right we now need to go up the tree and get all the variables with categories and loop thru them -->
                                <xsl:for-each select="//variable[categories]">
                                        <xsl:element name="question">
                                                <xsl:element name="name">
                                                        <xsl:value-of select="@name"/>
                                                </xsl:element>
                                                <xsl:element name="label">
                                                        <xsl:value-of select="attributes/attribute[@name='label']"/>
                                                </xsl:element>
                                                <!-- now get all the categories below where we are -->
                                                <xsl:apply-templates select="categories"/>
                                        </xsl:element>
                                </xsl:for-each>
                        </xsl:element>
                </xsl:element>
        </xsl:template>
        <xsl:template match="categories">
                <xsl:element name="variable">
                        <xsl:element name="name">
                                <xsl:value-of select="../attributes/attribute[@name='questionName']"/>
                        </xsl:element>
                        <xsl:element name="type">
                                <xsl:value-of select="../@valueType"/>
                        </xsl:element>
                        <xsl:apply-templates/>
                </xsl:element>
        </xsl:template>
</xsl:stylesheet>