RE: [xsl] Finding the current node type

I think I'm doing this exact same thing...actually, I'm in the process
of "hacking" my way through a 100+ page XML file...loaded to the gills
with attributes...
 
I'll post what I come up with...check out the following link in the mean
time...I think it deals with exactly what we're facing...I hope...
 
.NET and XML: XPath Queries
http://www.developer.com/xml/article.php/10929_3383961_1
 
 
I'm going home...
 
Pete 

-----Original Message-----
From: Mark Anderson [mailto:mark(_dot_)anderson(_at_)technique-group(_dot_)com] 
Sent: Monday, July 30, 2007 5:35 PM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Finding the current node type

Hi All

I'm trying to figure out a way to determine the "type" of the current
node in an nodeset.

I have a union of two dissimilar nodesets and I need to number the
combined set sequentially in my output. I also need to output details
from each node, but as they are completely different I need to process
each node type differently based on it's contents.

Here's a silly example

<products>
        <speaker>
                <woofer>12 inch</woofer>
                <rms_power>70 watts</rms_power>
                <peak_power>95 watts</peak_power>
                <height>40 inches</height>
                <width>18 inches</width>
                <depth>18 inches</depth>
        </speaker>
        <laptop>
                <disk>80GB</disk>
                <screen>15 inch</screen>
                <cpu>Intel Core Duo 2.3ghz</cpu>
                <weight>5.2lbs</weight>
        </laptop>
        ...
</products>

So, I need to do something like:

<xsl:for-each select="speaker | laptop">
        <!-- Assign a sequential Number -->
        Item No: <xsl:value-of select="position()"/> <br />
        <!-- Now output item-specific details -->
        <xsl:choose>
                <xsl:when test="node = speaker">
                        RMS Power: <xsl:value-of select="rms_power"/>
<br />
                        Peak Power: <xsl:value-of select="peak_power"/>
<br />  
                </xsl:when>
                <xsl:when test="node = laptop">
                        Disk Drive: <xsl:value-of select="disk"/> <br />
                        CPU: <xsl:value-of select="cpu"/> <br />

                </xsl:when>     
        </xsl:choose>
</xsl:for-each> 

So, what I need to figure out is the test in the when clause to see
which type of node I'm processing.

I could hack it with something like:
        
<xsl:when test="count(rms_power) &gt; 0"> 
        <!-- Must be a speaker -->
        RMS Power: <xsl:value-of select="rms_power"/>
        Peak Power: <xsl:value-of select="peak_power"/>         
</xsl:when>

However, it's messy and I have to find unique child nodes for every
product.

I'm sure there's a more elegant way

Can anyone help?

TIA

Mark

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