For XSLT 1.0 you can replace the for each with a recursive template as
below:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:template match="root">
<xsl:copy><xsl:apply-templates/></xsl:copy>
</xsl:template>
<xsl:template match="level">
<xsl:variable name="level" select="."/>
<xsl:call-template name="processLevel">
<xsl:with-param name="states" select="states"/>
</xsl:call-template>
</xsl:template>
<xsl:template name="processLevel">
<xsl:param name="states"/>
<xsl:if test="string-length($states)>0">
<xsl:apply-templates mode="copy">
<xsl:with-param name="state" select="substring($states, 1, 1)"/>
</xsl:apply-templates>
<xsl:call-template name="processLevel">
<xsl:with-param name="states" select="substring($states, 2,
string-length($states))"/>
</xsl:call-template>
</xsl:if>
</xsl:template>
<xsl:template match="node() | @*" mode="copy">
<xsl:param name="state"/>
<xsl:copy>
<xsl:apply-templates select="node() | @*" mode="copy">
<xsl:with-param name="state" select="$state"/>
</xsl:apply-templates>
</xsl:copy>
</xsl:template>
<xsl:template match="elem1/text()" mode="copy">
<xsl:param name="state"/>
<xsl:value-of select="."/>
<xsl:text>_</xsl:text>
<xsl:value-of select="$state"/>
</xsl:template>
</xsl:stylesheet>
Best Regards,
George
--
George Cristian Bina
<oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger
http://www.oxygenxml.com
nick public wrote:
Hi George,
I appreciate very much your help.
Unfortunately, the middleware that I'm using and in which the XSLT
have to run, provide just XSLT version 1.0.
Is it possible to adapt your solution for XSLT 1.0?
I tried to think to an alternative way but it seems a lot of complicated.
I could create three different versions of my script; each version is
specialized to work with a single status:
1) script_4.xslt - evaluates the presence of status 4: if yes copies
<level> and modifies <elem1> with 4 status
2) script_5.xslt - evaluates the presence of status 5: if yes,
appendes to the previous a new <level> copy with <elem1> modified with
5 status. If 5 status doesn't exist, the output provided has to be
that of script_4.xslt
3) script_6.xslt - evaluates the presence of status 6: if yes,
appendes to the previous a new <level> copy with <elem1> modified with
6 status. If 6 status doesn't exist, the output provided has to be
that of script_5.xslt
At the end, I could concatenate the three scripts in a job and should
obtain (I hope) the same result.
Opinion about?
Thanks a lot.
Ciao. Nicola
2009/1/13 George Cristian Bina <george(_at_)oxygenxml(_dot_)com>:
In XSLT 2.0 you can use something like this:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:template match="root">
<xsl:copy><xsl:apply-templates/></xsl:copy>
</xsl:template>
<xsl:template match="level">
<xsl:variable name="level" select="."/>
<xsl:for-each select="string-to-codepoints(states)">
<xsl:apply-templates select="$level" mode="copy">
<xsl:with-param name="state" select="."/>
</xsl:apply-templates>
</xsl:for-each>
</xsl:template>
<xsl:template match="node() | @*" mode="copy">
<xsl:param name="state"/>
<xsl:copy>
<xsl:apply-templates select="node() | @*" mode="copy">
<xsl:with-param name="state" select="$state"/>
</xsl:apply-templates>
</xsl:copy>
</xsl:template>
<xsl:template match="elem1/text()" mode="copy">
<xsl:param name="state"/>
<xsl:value-of select="."/>
<xsl:text>_</xsl:text>
<xsl:value-of select="codepoints-to-string($state)"/>
</xsl:template>
</xsl:stylesheet>
on your sample input it gives
<root>
<level>
<states>456</states>
<start>
<elem1>element_4</elem1>
</start>
</level><level>
<states>456</states>
<start>
<elem1>element_5</elem1>
</start>
</level><level>
<states>456</states>
<start>
<elem1>element_6</elem1>
</start>
</level>
</root>
Best Regards,
George
--
George Cristian Bina
<oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger
http://www.oxygenxml.com
nick public wrote:
Hi people.
I have the following need.
I have to duplicate a sub-tree basing of an element <states> contained
into the source XML.
<root>
<level>
<states>456</states>
<start>
<elem1>element</elem1>
</start>
</level>
</root>
For each <level> copy, the <elem1> element have to contain the
corresponding states byte.
In this case I've create a XML target containing 3 <level> element and
for each copy, the <elem1> element contains the 4, 5 and 6 status.
The target for the example have to be like this:
<root>
<level>
<control>456</control>
<start>
<elem1>element_4</elem1>
</start>
</level>
<level>
<control>456</control>
<start>
<elem1>element_5</elem1>
</start>
</level>
<level>
<control>456</control>
<start>
<elem1>element_6</elem1>
</start>
</level>
</root>
Now, I learned thanks to you how to copy the sub-tree. I haven't
problem with string processing.
My problem is to control the copy.
I need something like this (please, don't become frightened: it's the
minimal code and is commented)
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:output method="xml" indent="yes"/>
<!-- Load in a variable the states to manage -->
<xsl:variable name='states' select ='root/level/states'/>
<xsl:template match="level">
<!-- Predisposes to manage all the three states
passing as parameter each status to check in
front to the states variable -->
<!-- Invokes copyNode for the status 4.
In copyNodes, if 4 is contained in states
variable the level element will be copied
otherwise no -->
<xsl:call-template name='copyNode'>
<xsl:with-param name='status' select='4'/>
</xsl:call-template>
<xsl:call-template name='copyNode'>
<xsl:with-param name='status' select='5'/>
</xsl:call-template>
<xsl:call-template name='copyNode'>
<xsl:with-param name='status' select='6'/>
</xsl:call-template>
</xsl:template>
<xsl:template match="@*|node()">
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
</xsl:copy>
</xsl:template>
<xsl:template name="copyNode">
<xsl:param name='status'/>
<!-- Checks if the current $status (4, 5 or 6)
is contained in the $states.
If yes, can copies the level element -->
<xsl:if test='contains($states,$status)'>
<xsl:choose>
<!-- :-(( THIS when SEEMS NEVER PERFORMED :-(( -->
<xsl:when test="self::elem1">
<elem1>
<!-- The elem1 text value have to be manipulated by $status -->
<xsl:value-of select ='concat(substring(.,1,5),$status)'/>
</elem1>
</xsl:when>
<xsl:otherwise>
<xsl:copy-of select="."/>
</xsl:otherwise>
</xsl:choose>
</xsl:if>
</xsl:template>
</xsl:stylesheet>
The critical point is that the <xsl:when test="self::elem1"> is
never reached and then I cannot operate the tranformation.
Could you help me URGENTLY?
Thanks a lot in advance.
Ciao. Nicola
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