I fear I must suffer the wrath of posting a full stylesheet but I can not find
a way to both explain my problem and truncate the stylesheet to an acceptable
size.
During the process of attempting to produce a reduced size, I believe I have
identified two problem areas (both commented)
Running with "Problem area 1" and "Problem area 2" commented out, will produce
what I'd expect to see but would want to produce all <Line>'s.
Running with "Problem area 2" and "Problem area 1" commented out, will produce
all <Line>'s but not with the structured content inside the <Line> tag.
Running with both "Problem area's" causes the "hanging" issue.
Apologies again for the sizeable post but I can no longer see the woods for the
trees.
## Start of Stylesheet ##
<xsl:variable name="testVar"
select="'1,A,B,C 2,A,B,C 3,A,B,C'" />
<xsl:template match="/">
<myOutput>
<xsl:call-template name="baseString">
<xsl:with-param name="inputA" select="concat(' ',$testVar)" />
</xsl:call-template>
</myOutput>
</xsl:template>
<xsl:template name="baseString">
<xsl:param name="inputA" />
<xsl:if test="string-length($inputA) > 0">
<xsl:choose>
<xsl:when test="substring($inputA,1,2)=' '">
<xsl:call-template name="readLine">
<xsl:with-param name="inputLine"
select="concat(',',substring($inputA,3))" />
</xsl:call-template>
</xsl:when>
<xsl:when test="substring($inputA,1,1)=' '">
<xsl:call-template name="readLine">
<xsl:with-param name="inputLine"
select="concat(',',substring($inputA,2))" />
</xsl:call-template>
</xsl:when>
</xsl:choose>
</xsl:if>
</xsl:template>
<xsl:template name="readLine">
<xsl:param name="inputLine" />
<xsl:if test="string-length($inputLine) > 0">
<Line>
<xsl:choose>
<xsl:when test="substring($inputLine,1,1)=','">
<!-- Problem area 1 (Start)-->
<xsl:call-template name="readValue">
<xsl:with-param name="inputValue"
select="substring($inputLine,2)" />
</xsl:call-template>
<!-- Problem area 1 (End)-->
</xsl:when>
</xsl:choose>
</Line>
<xsl:variable name="checkString">
<xsl:call-template name="trimString">
<xsl:with-param name="inputTrim" select="substring($inputLine,2)" />
<xsl:with-param name="stopPoint" select="'Line'" />
</xsl:call-template>
</xsl:variable>
<xsl:if test="string-length($checkString) > 0">
<xsl:if test="substring($checkString,1,1)=' '">
<!-- Problem area 2 (Start)-->
<!--
<xsl:call-template name="baseString">
<xsl:with-param name="inputA" select="$checkString" />
</xsl:call-template>-->
<!-- Problem area 2 (End)-->
</xsl:if>
</xsl:if>
</xsl:if>
</xsl:template>
<xsl:template name="readValue">
<xsl:param name="inputValue" />
<xsl:if test="string-length($inputValue) > 0">
<Value>
<xsl:call-template name="readString">
<xsl:with-param name="inputString" select="$inputValue" />
</xsl:call-template>
</Value>
<xsl:variable name="checkString">
<xsl:call-template name="trimString">
<xsl:with-param name="inputTrim" select="$inputValue" />
</xsl:call-template>
</xsl:variable>
<xsl:if test="string-length($checkString) > 0">
<xsl:choose>
<xsl:when test="string-length($checkString) = 1">
<xsl:value-of select="$checkString"/>
</xsl:when>
<xsl:when test="string-length($checkString) > 1">
<xsl:choose>
<xsl:when test="substring($checkString,1,1)=','">
<xsl:call-template name="readValue">
<xsl:with-param name="inputValue"
select="substring($checkString,2)" />
</xsl:call-template>
</xsl:when>
</xsl:choose>
</xsl:when>
</xsl:choose>
</xsl:if>
</xsl:if>
</xsl:template>
<xsl:template name="readString">
<xsl:param name="inputString" />
<xsl:choose>
<xsl:when test="substring($inputString,1,1)=','" />
<xsl:when test="substring($inputString,1,1)=' '" />
<xsl:otherwise>
<xsl:value-of select="substring($inputString,1,1)"/>
<xsl:call-template name="readString">
<xsl:with-param name="inputString" select="substring($inputString,2)"
/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="trimString">
<xsl:param name="inputTrim" />
<xsl:param name="stopPoint" />
<xsl:choose>
<xsl:when test="$stopPoint='Line'">
<xsl:choose>
<xsl:when test="string-length($inputTrim)=0">
<xsl:value-of select="''"/>
</xsl:when>
<xsl:when test="substring($inputTrim,1,1)=' '">
<xsl:value-of select="$inputTrim"/>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="trimString">
<xsl:with-param name="inputTrim" select="substring($inputTrim,2)"
/>
<xsl:with-param name="stopPoint" select="'Line'" />
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:choose>
<xsl:when test="string-length($inputTrim)=0">
<xsl:value-of select="''"/>
</xsl:when>
<xsl:when test="substring($inputTrim,1,1)=','">
<xsl:value-of select="$inputTrim"/>
</xsl:when>
<xsl:when test="substring($inputTrim,1,1)=' '">
<xsl:value-of select="$inputTrim"/>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="trimString">
<xsl:with-param name="inputTrim" select="substring($inputTrim,2)"
/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
## End of Stylesheet ##
Carl
-----Original Message-----
From: David Carlisle [mailto:davidc(_at_)nag(_dot_)co(_dot_)uk]
Sent: 14 May 2008 12:02
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] Reusing templates and params
The problem is it appears to hang, as if running in an endless loop.
so presumably one of the definitions that you didn't show is wrong so
that the test to terminate the recursion never ends the
recursion. Surely you can cut it down to a small two template stylesheet
that actually runs and demonstrates the problem.
David
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