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RE: [xsl] Type error with variable as=xs:string using xsl:choose

2006-09-07 03:01:24
I can't see how $xsrc can have more than one node:

<xsl:variable name="xsrc" as="xs:string">
<xsl:value-of select="@src" />
</xsl:variable>

Then follows the variable declaration in my original email, below.

The actual XML element on which the template is choking is this one:

<icon src="../../abc/images/def/icon_arrow.gif" dpi="96"/>

Checking my logs, I have found that the error only occurs for a few
instances of <icon>; most are converted without problems, e.g.

<icon src="images/edf/features/pivot.gif" dpi="96"/>

In fact, it looks like it is the "../../" prefix which may be the problem -
but the src values which include this are valid and correct.

Does this extra information change the advice at all?

Cheers
Trevor
 
-----Original Message-----
From: Joe Fawcett [mailto:joefawcett(_at_)hotmail(_dot_)com] 
Sent: Thursday, 7 September 2006 9:41 p.m.
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: RE: [xsl] Type error with variable as=xs:string using xsl:choose

You defined the variable as a single string instance.
If $xsrc has more than one node and the xsl:otherwise instruction kicks in 
then this is an error.

Perhaps change to:

<xsl:otherwise>
<xsl:value-of select="$xsrc[1]" />
</xsl:otherwise>

Joe



From: "Trevor Nicholls" <trevor(_at_)castingthevoid(_dot_)com>
Reply-To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
To: <xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com>
Subject: [xsl]  Type error with variable as=xs:string using xsl:choose
Date: Thu, 7 Sep 2006 21:29:25 +1200

The following variable definition is giving me the error
"XTTE0570: A sequence of more than one item is not allowed as the value of
variable normsrc"

I'm using Saxon 8.6.1 on Windows XP.

====
<xsl:variable name="normsrc" as="xs:string">
<xsl:choose>
<xsl:when test="contains($xsrc,'/images/images/')">
<xsl:text>images/</xsl:text>
<xsl:value-of select="substring-after($xsrc,'/images/images/')" />
</xsl:when>
<xsl:when test="contains($xsrc,'/images/')">
<xsl:text>images/</xsl:text>
<xsl:value-of select="substring-after($xsrc,'/images/')" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$xsrc" />
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
====

If I drop the as="xs:string" attribute it works perfectly, but I'm sure 
I've
got exactly this construction elsewhere without complaint. One difference
with this logic is that the 'when' tests overlap: any $xsrc that matches 
the
first 'when' will also match the second, but I understood that 'choose' 
will
only make one choice. Am I confused?

Cheers
Trevor


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