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[xsl] For-each and keys()

Subject: [xsl] For-each and keys()
From: Steve <subsume@xxxxxxxxx>
Date: Mon, 31 Jul 2006 12:33:07 -0400
Hey group,

Trying to come up with key declarations for the below XML trees (which
are both contained within $variables

At the end of the day, I need output that resembles

	<output type="Cognitive"  count="50" />
	<output type="Physical"  count="26" />
	<output type="Visual"  count="34" />
	<output type="Hearing"  count="90" />
	<output type="Mental"  count="11" />
	<output type="None"  count="1" />

The count, in this case, is the amount of times a Record/disabPrimary
corresponds to any disabilities/option/@oldID.  These must then be
grouped by their @type and appear only once in the table.

Sorry to post so much but in trying to score for brevity I have
obviously overcorrected and gone straight to muddled ambiguity in
previous posts. Please let me know if there is anything too vague that
I may elaborate upon.
---

My current XSL has the problem of not using key in a meaningful way
(always returns 0) and also produces a row for each Record, although
it does order them by type.

XSL goes something like:

<xsl:key name="options" match="option" use="@type" />
<xsl:key name="oldID" match="Record" use="disabPrimary" />
<xsl:variable name="$Definitions" select="Document(Disabilities.xml)" />
<xsl:variable name="$Var" select="Document(Records.xml)" />
<xsl:template match="Record" mode="x">
	<xsl:param name="type" />
	<tr>
		<td>
			<xsl:value-of select="$type" />
		</td>
		<td>
			<xsl:variable name="current" select="disabPrimary" />
			<xsl:for-each select="$Definitions/disabilities">
				<xsl:value-of select="count(key('oldID',$current))" />
			</xsl:for-each>
		</td>
	</tr>
</xsl:template>
<xsl:template match="/" >
	<html>
		<head>
			<link rel="stylesheet" href="performance.css" />
		</head>
		<body>
			<table>
				<xsl:for-each
select="$Definitions/disabilities/option[generate-id(.)=generate-id(key('options',@type)[1])]">
					<xsl:sort select="@type"/>
					<xsl:apply-templates mode="x" elect="$Var/Records/Record">
							<xsl:with-param name="type" select="@type" />
					</xsl:apply-templates>
				</xsl:for-each>
			</table>
               </body>
       </html>
</xsl:template>



XML below

<disabilities>
	<option oldID="204" type="Cognitive" name="Alzheimer's/Dementia"/>
	<option oldID="407" type="Physical" name="Amputation"/>
	<option oldID="405" type="Physical" name="Arthritic Conditions"/>
	<option oldID="301" type="Cognitive" name="Autism"/>
	<option oldID="100" type="Visual" name="Blind"/>
	<option type="Physical" name="Blood disorders" />
	<option oldID="413" type="Physical" name="Cancer"/>
	<option oldID="400" type="Cognitive" name="Cerebral Palsy"/>
	<option oldID="410" type="Physical" name="Chronic Fatigue Syndrome"/>
	<option oldID="305" type="Cognitive" name="Cognitive-Other"/>
	<option type="Physical" name="Cystic Fibrosis"/>
	<option oldID="101" type="Hearing" name="Deaf"/>
	<option oldID="302" type="Cognitive" name="Developmental/Mental Retardation"/>
	<option oldID="414" type="Physical" name="Diabetes"/>
	<option oldID="411" type="Physical" name="Epilepsy/Seizure Dis."/>
	<option type="Physical" name="Fibromyalgia"/>
	<option oldID="101" type="Hearing" name="Hard of Hearing"/>
	<option oldID="415" type="Physical" name="Heart Disease" />
	<option type="Physical" name="Hepatitus"/>
	<option oldID="416" type="Physical" name="HIV/AIDS"/>
	<option type="Physical" name="Kidney disorder/renal failure"/>
	<option oldID="300" type="Cognitive" name="Learning Disabilities">
	<option oldID="" type="Physical" name="Lung disease/disorders/conditions" />
	<option oldID="202" type="Mental" name="Mental Health-Other"/>
	<option oldID="200" type="Mental" name="Mental Illness/Emot.Dis"/>
	<option oldID="418" type="Physical" name="Morbid Obesity"/>
	<option oldID="417" type="Physical" name="Multiple Chemical Sensitive"/>
	<option oldID="420" type="Multiple" name="Multiple Disability"/>
	<option oldID="403" type="Physical" name="Multiple Sclerosis"/>
	<option oldID="402" type="Physical" name="Muscular Dystophy"/>
	<option oldID="412" type="Physical" name="Neurological-Other"/>
	<option oldID="500" type="None" name="None"/>
	<option oldID="406" type="Physical" name="Orthopedic-Other"/>
	<option oldID="419" type="Physical" name="Physical-Other"/>
	<option oldID="410" type="Physical" name="Post-Polio"/>
	<option oldID="404" type="Physical" name="Spinal Cord Disorders" />
	<option oldID="404" type="Physical" name="Spinal Cord Injuries" />
	<option oldID="409" type="Physical" name="Stroke/Cardiovascular"/>
	<option oldID="201" type="Mental" name="Substance Abuse/Addiction"/>
	<option oldID="303" type="Cognitive" name="Traumatic Brain Injury" />
	<option oldID="" type="Visual" name="Visually Impaired"/>
</disabilities>

<Records>
	<Record>
		<disabPrimary>200</disabPrimary>
	</Record>
	<Record>
		<disabPrimary>407</disabPrimary>
	</Record>
	<Record>
		<disabPrimary>101</disabPrimary>
	</Record>
	<Record>
		<disabPrimary>101</disabPrimary>
	</Record>
	<Record>
		<disabPrimary>101</disabPrimary>
	/Record>
	<Record>
		<disabPrimary>101</disabPrimary>
	</Record>
	<Record>
		<disabPrimary>101</disabPrimary>
	</Record>
	<Record>
		<disabPrimary>200</disabPrimary>
	</Record>
	<Record>
		<disabPrimary>101</disabPrimary>
	</Record>

<!-- *And hundreds more* -->

</Records>

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