xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<xsl:output method="text"/>

<xsl:param name="goal-name" select="'id'"/>

<xsl:param name="goal-value" select="'GOAL'"/>

<xsl:param name="style" select="'rng'"/>

<xsl:param name="skip" select="0"/>

<xsl:template match="/">

    <xsl:choose>

                            name() = $goal-name

                            and

                            . = $goal-value

                        ])">

            <xsl:message terminate="yes">NOTFOUND</xsl:message>

        </xsl:when>

        <xsl:when test="$style = 'xml'">

            <xsl:call-template name="xpath-xml-elem">

                                select=".//@*[

                                            name() = $goal-name

                                            and

                                            . = $goal-value

                                        ]/.."/>

            </xsl:call-template>

        </xsl:when>

        <xsl:when test="$style = 'rng'">

            <xsl:call-template name="xpath-rng-elem">

                                select=".//@*[

                                            name() = $goal-name

                                            and

                                            . = $goal-value

                                        ]/.."/>

            </xsl:call-template>

        </xsl:when>

        <xsl:otherwise>

            <xsl:message terminate="yes">BADSTYLE</xsl:message>

        </xsl:otherwise>

    </xsl:choose>

</xsl:template>

<xsl:template name="xpath-xml-elem">

    <xsl:param name="terminal-elem"/>

                  select="count($terminal-elem/ancestor-or-self::*)"/>

    <xsl:for-each select="$terminal-elem/ancestor-or-self::*">

        <xsl:if test="$TotalCount - position() >= $skip">

            <xsl:value-of select="concat('/', name())"/>

        </xsl:if>

    </xsl:for-each>

    <xsl:value-of select="'
'"/>

</xsl:template>

<xsl:template name="xpath-rng-elem">

    <xsl:param name="terminal-elem"/>

                  select="count($terminal-elem/ancestor-or-self::*)"/>

    <xsl:for-each select="$terminal-elem/ancestor-or-self::*">

        <xsl:if test="$TotalCount - position() >= $skip">

            <xsl:choose>

                <xsl:when test="name() = 'attribute'">

                    <xsl:value-of select="concat('/@', @name)"/>

                </xsl:when>

                <xsl:when test="name() = 'define'">

                    <xsl:value-of select="concat('/<', @name, '>')"/>

                </xsl:when>

                <xsl:when test="name() = 'element'">

                    <xsl:value-of select="concat('/', @name)"/>

                </xsl:when>

                <xsl:when test="name() = 'grammar'">

                    <xsl:if test="$TotalCount < 3">

                        <xsl:value-of select="concat('<', name(), '>')"/>

                    </xsl:if>

                </xsl:when>

            </xsl:choose>

        </xsl:if>

    </xsl:for-each>

    <xsl:value-of select="'
'"/>

</xsl:template>

</xsl:stylesheet>