Finding root of tree: the context item is undefined

WilliamYou · December 12th, 2012, 12:39 PM

Hi,

I am trying to create a transformation that will generate either XML and or CSV based on a bitwise operation. The data is provided via a POJO (to be passed as a xsl:param) but as I have no initial context here it would appear that what I want to do can't be done.

Code:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" exclude-result-prefixes="xs" version="2.0">
    <xsl:param name="target" as="xs:anyURI" required="no"/>
    <xsl:param name="types" as="xs:integer" required="no" select="3"/>
    <!-- This is the template called. (XsltTransformer.setInitialTemplate()) -->
    <xsl:template name="build">
        <!-- If the types parameter bitwise ands with 1 then create a CSV -->
        <xsl:if test="$types and 1 = 1">
            <xsl:apply-templates select="/" mode="CSV"/>
        </xsl:if>
        <!-- If the types parameter bitwise ands with 2 then create an XML -->
        <xsl:if test="$types and 2 = 2">
            <xsl:apply-templates select="/" mode="XML"/>
        </xsl:if>
    </xsl:template>
    <xsl:template match="/" mode="CSV">
        <xsl:comment>CSV BUilder Template</xsl:comment>
    </xsl:template>
    <xsl:template match="/" mode="XML">
        <xsl:comment>XML Builder Template</xsl:comment>
    </xsl:template>
</xsl:stylesheet>

Is anyone able to clarify this for me or even better if it is possible help me get passed this error?
--
William

mhkay · December 12th, 2012, 03:03 PM

If you want "/" to be just a dummy node, then you could do

Code:

<xsl:variable name="dummy"><doc/></xsl:variable>

and then

Code:

xsl:apply-templates select="$dummy"

But personally, I'd be more inclined to do it with named templates and xsl:call-template.

WilliamYou · December 12th, 2012, 04:18 PM

Quote:

Originally Posted by mhkay

If you want "/" to be just a dummy node, then you could do

Code:

<xsl:variable name="dummy"><doc/></xsl:variable>

and then

Code:

xsl:apply-templates select="$dummy"

But personally, I'd be more inclined to do it with named templates and xsl:call-template.

Hello, and thank you for the reply. Using the dummy node approach works great, but what I thought would be a bitwise operation doesn't work the way I assumed but :

Code:

(floor($types  div 1) mod 2 = 1)

does.

Before posting I did try using call-template but gave up on it when Oxygen told me that mode was not supported on call-template or a name attributed template. Or is there something I've missed?

--
William