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Hi all,
groups have IDs and based on these IDs I decide what the pseudo end tag of a group is
The result should be something along these lines
The following doesn't work
<xsl:output method="xml" version="1.0" encoding="UTF-8" omit-xml-declaration="no" indent="no" />
<xsl:variable name="re-start">^\[start\s+pgroup\s+id="([^"]+)".*$</xsl:variable>
<xsl:template name="processGroups">
<xsl:param name="thisNodes"/>
<xsl:for-each-group select="$thisNodes" group-starting-with="w:p[w:r[matches(w:t,$re-start)]][1]" >
<xsl:choose>
<xsl:when test="w:r[matches(w:t,$re-start)]">
<xsl:variable name="grid">
<xsl:value-of select="replace(w:r/w:t[matches(text(),$re-start)], $re-start, '$1')"></xsl:value-of>
</xsl:variable>
<xsl:variable name="endStr">
<xsl:text>[end pgroup id="</xsl:text>
<xsl:value-of select="$grid"></xsl:value-of>
<xsl:text>"</xsl:text>
</xsl:variable>
<!-- pgroup ends at a [end with the same ID -->
<xsl:for-each-group select="current-group()" group-ending-with="w:p[w:r[contains(w:t,$endStr)]]" >
<xsl:choose>
<!-- the first positioned current-group() is the pgroup -->
<xsl:when test="position() = 1">
<xsl:element name="int:pgroup">
<xsl:attribute name="int:id"><xsl:value-of select="$grid"/></xsl:attribute>
<!-- looking for nested pgroups -->
<xsl:choose>
<xsl:when test="(current-group() except .)/w:r[matches(w:t,$re-start)]">
<xsl:call-template name="processGroups">
<xsl:with-param name="thisNodes" select="current-group() except ."></xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:element>
</xsl:when>
<!-- the remainder of this context might still have a pgroup -->
<xsl:otherwise>
<xsl:choose>
<xsl:when test="current-group()/w:r[matches(w:t,$re-start)]">
<xsl:call-template name="processGroups">
<xsl:with-param name="thisNodes" select="current-group()"></xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:when>
<!-- processes the piece before the first p-group, inside a context that has a pgroup-->
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:template>
</xsl:stylesheet>
I don't understand why the current-group() that I pass back to the named template
does not behave as nodeset of its members
Or maybe I am just overlooking something
Anyone an idea on this?
Thanks
Geert
[xsl] Issue with nested grouping
Subject: [xsl] Issue with nested grouping From: Geert Bormans <geert@xxxxxxxxxxxxxxxxxxx> Date: Sun, 02 Dec 2007 12:49:44 +0100 |
Hi all,
I have been looking at this for too long now, and I am still not sure why this doesn't work
I have an XML (stripped down version of a word XML document) That requires (nested) grouping, based on the text content of some paragraphs.
<?xml version="1.0" encoding="UTF-8"?> <w:wordDocument xmlns:w="http://schemas.microsoft.com/office/word/2003/wordml" xmlns:wx="http://schemas.microsoft.com/office/word/2003/auxHint" > <w:body> <wx:sect> <wx:sub-section> <w:p> <w:r><w:t>Text before first pgroup</w:t></w:r> </w:p> <w:p> <w:r><w:t>[start pgroup id="43210023"</w:t></w:r> </w:p> <w:p> <w:r><w:t>First P in pgroup</w:t></w:r> </w:p> <w:p> <w:r><w:t>Second P in pgroup.</w:t></w:r> </w:p> <w:p> <w:r><w:t>[start pgroup id="54320024"</w:t></w:r> </w:p> <w:p> <w:r><w:t>P in nested pgroup</w:t></w:r> </w:p> <w:p> <w:r><w:t>[end pgroup id="54320024"</w:t></w:r> </w:p> <w:p> <w:r><w:t>First P after nested group</w:t></w:r> </w:p> <w:p> <w:r><w:t>[end pgroup id="43210023"</w:t></w:r> </w:p> <w:p> <w:r><w:t>In between</w:t></w:r> </w:p> <w:p> <w:r><w:t>Other In between</w:t></w:r> </w:p> <w:p> <w:r><w:t>[start pgroup id="43210025"</w:t></w:r> </w:p> <w:p> <w:r><w:t>[start pgroup id="54320026"</w:t></w:r> </w:p> <w:p> <w:r><w:t>Isolated nested pgroup</w:t></w:r> </w:p> <w:p> <w:r><w:t>[end pgroup id="54320026"</w:t></w:r> </w:p> <w:p> <w:r><w:t>[end pgroup id="43210025"</w:t></w:r> </w:p> </wx:sub-section> </wx:sect> </w:body> </w:wordDocument>
groups have IDs and based on these IDs I decide what the pseudo end tag of a group is
The result should be something along these lines
<?xml version="1.0" encoding="UTF-8"?> <w:wordDocument xmlns:w="http://schemas.microsoft.com/office/word/2003/wordml" xmlns:wx="http://schemas.microsoft.com/office/word/2003/auxHint" > <w:body> <wx:sect> <wx:sub-section> <w:p> <w:r><w:t>Text before first pgroup</w:t></w:r> </w:p> <pgroup id="43210023"> <w:p> <w:r><w:t>First P in pgroup</w:t></w:r> </w:p> <w:p> <w:r><w:t>Second P in pgroup.</w:t></w:r> </w:p> <pgroup id="54320024"> <w:p> <w:r><w:t>P in nested pgroup</w:t></w:r> </w:p> </pgroup> <w:p> <w:r><w:t>First P after nested group</w:t></w:r> </w:p> </pgroup> <w:p> <w:r><w:t>In between</w:t></w:r> </w:p> <w:p> <w:r><w:t>Other In between</w:t></w:r> </w:p> <pgroup id="43210025"> <pgroup id="54320026"> <w:p> <w:r><w:t>Isolated nested pgroup</w:t></w:r> </w:p> </pgroup> </pgroup> </wx:sub-section> </wx:sect> </w:body> </w:wordDocument>
The following doesn't work
<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <xsl:stylesheet version="2.0" xmlns:w="http://schemas.microsoft.com/office/word/2003/wordml" xmlns:wx="http://schemas.microsoft.com/office/word/2003/auxHint" xmlns:int="urn:internal:resulttree" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" >
<xsl:output method="xml" version="1.0" encoding="UTF-8" omit-xml-declaration="no" indent="no" />
<xsl:variable name="re-start">^\[start\s+pgroup\s+id="([^"]+)".*$</xsl:variable>
<xsl:template match="node()"> <xsl:copy> <xsl:copy-of select="@*"/> <xsl:apply-templates select="node()"></xsl:apply-templates> </xsl:copy> </xsl:template>
<xsl:template match="*[w:p/w:r[matches(w:t,$re-start)]]" > <xsl:copy> <xsl:copy-of select="@*"/> <xsl:call-template name="processGroups"> <xsl:with-param name="thisNodes" select="node()"/> </xsl:call-template> </xsl:copy> </xsl:template>
<xsl:template name="processGroups">
<xsl:param name="thisNodes"/>
<xsl:for-each-group select="$thisNodes" group-starting-with="w:p[w:r[matches(w:t,$re-start)]][1]" >
<xsl:choose>
<xsl:when test="w:r[matches(w:t,$re-start)]">
<xsl:variable name="grid">
<xsl:value-of select="replace(w:r/w:t[matches(text(),$re-start)], $re-start, '$1')"></xsl:value-of>
</xsl:variable>
<xsl:variable name="endStr">
<xsl:text>[end pgroup id="</xsl:text>
<xsl:value-of select="$grid"></xsl:value-of>
<xsl:text>"</xsl:text>
</xsl:variable>
<!-- pgroup ends at a [end with the same ID -->
<xsl:for-each-group select="current-group()" group-ending-with="w:p[w:r[contains(w:t,$endStr)]]" >
<xsl:choose>
<!-- the first positioned current-group() is the pgroup -->
<xsl:when test="position() = 1">
<xsl:element name="int:pgroup">
<xsl:attribute name="int:id"><xsl:value-of select="$grid"/></xsl:attribute>
<!-- looking for nested pgroups -->
<xsl:choose>
<xsl:when test="(current-group() except .)/w:r[matches(w:t,$re-start)]">
<xsl:call-template name="processGroups">
<xsl:with-param name="thisNodes" select="current-group() except ."></xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:element>
</xsl:when>
<!-- the remainder of this context might still have a pgroup -->
<xsl:otherwise>
<xsl:choose>
<xsl:when test="current-group()/w:r[matches(w:t,$re-start)]">
<xsl:call-template name="processGroups">
<xsl:with-param name="thisNodes" select="current-group()"></xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:when>
<!-- processes the piece before the first p-group, inside a context that has a pgroup-->
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:template>
</xsl:stylesheet>
I don't understand why the current-group() that I pass back to the named template
does not behave as nodeset of its members
Or maybe I am just overlooking something
Anyone an idea on this?
Thanks
Geert
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