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RE: Chunking xml into single-topic docs

Subject: RE: Chunking xml into single-topic docs
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Thu, 24 Feb 2005 17:41:42 -0000
xsl escape uri
XSLT 2.0 actually says that it's an error to generate two output files with
the same URI, and Saxon 8.3 attempts to check for this, rather than having
one simply overwrite the other.

But you're essentially asking for some way of generating unique filenames.
There are plenty of ways of doing this. I usually use something like
href="chap{position()}".

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: Kessler, Marcy [mailto:marcy.kessler@xxxxxx] 
> Sent: 24 February 2005 17:02
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  Chunking xml into single-topic docs
> 
> I'm taking documents that are authored in FrameMaker, converting them
> into structured xml files and then using an XSLT to transform 
> them into
> DTD compliant single-topic xml documents.
> 
> The problem I'm having is that the single-topic files that are created
> take the first word of the heading of each section and that 
> is the file
> name for the xml file.  However, if the first word is the same in more
> than one heading (i.e. Product Overview, and Product 
> Specifications) the
> first file is overwritten by the second occurrence and the first file
> isn't created.
> 
> As a newbie (frantically trying to learn xsl, Xpath, etc. as 
> quickly as
> possible), I'm struggling with knowing where to start in fixing the
> problem.  I was hoping any of you could point me in the right 
> direction.
> Any help would be much appreciated.
> Thanks - Marcy
> 
> Here is a section of the common.xsl file that I think needs to be
> changed:
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <xsl:stylesheet version="2.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output
> method="xml" escape-uri-attributes="no" omit-xml-declaration="no"
> encoding="UTF-8" indent="yes"
> doctype-system="c:/Conversion/Tool/dtds/c_support_doc.dtd"/>
> 
> 
> 
> <xsl:strip-space elements="*"/>
> <xsl:template match="/">
>     <xsl:apply-templates select="NoName"/>  	
>   </xsl:template>
> 
>   <xsl:variable name="chap.title" select="//ChapTitle"/>
> 
>   <xsl:template match="NoName">  
>       <xsl:for-each-group select="*[not(following-sibling::ChTOC1) and
>                                    not(following-sibling::ChTOC2) and
>                                    not(self::ChTOC2) and
>                                    not(self::ChTOC1) and
>                                    
> not(following-sibling::ChapTOC1) and
>                                    
> not(following-sibling::ChapTOC2) and
>                                    not(self::ChapTOC2) and 
>                                    not(self::ChapTOC1) and 
>                                    
> not(self::TableAnchor[not(child::*)])
> and
>                                    not(self::ChapNum) and
>                                    not(self::ChapTitle) and
>                                    not(self::Cross-Ref)]"
>                             group-starting-with="OneHead">         
> 
> 	    <xsl:variable name="file_title">                 	      
> 		  <xsl:value-of select="translate(normalize-space(.),'
> ','_')"/>		  		  	      
> 	    </xsl:variable>
>         
> 		<xsl:variable name="title">
> 		<xsl:choose>
> 		  <xsl:when test="contains($file_title,'_')">
> 		    <xsl:value-of
> select="escape-uri(substring-before($file_title,'_'),true())"/>
> 		   </xsl:when>
> 		  <xsl:otherwise>
>              <xsl:value-of select="escape-uri($file_title,true())"/>  
> 		  </xsl:otherwise>
> 		</xsl:choose>            	      
> 		</xsl:variable>       
>                	
> 		<xsl:variable name="title2">
> 		<xsl:choose>
> 		  <xsl:when test="contains($title,' ')">
> 
>     		<xsl:value-of select="substring-before($title,' ')"/>
> 			<xsl:text>.xml</xsl:text>
> 		  </xsl:when>
> 		  <xsl:when test="contains($title,'/')">
> 
>     		<xsl:value-of select="substring-before($title,'/')"/>
> 			<xsl:text>.xml</xsl:text>
> 		  </xsl:when>
> 		  <xsl:otherwise>
> 		    <xsl:value-of select="$title"/>
> 			<xsl:text>.xml</xsl:text>
> 		  </xsl:otherwise> 
> 		</xsl:choose>  	
> 		</xsl:variable>
>         
>         <xsl:variable name="title3">
>   	      <xsl:value-of select="translate($file_title,'_',' ')"/>	
> 		</xsl:variable>
> 				
>         <xsl:result-document href="{$title2}">        
> 	    <c_support_doc>
>         <title>
>           <xsl:value-of select="$title3"/>
>         </title>
>         <short.title>
>           <xsl:value-of select="$title3"/>
>         </short.title>
>        <generic>
>          <section>
>            <xsl:call-template name="addId"/>
>              <xsl:if test="current-group()[1][self::Note]">
> 			  <para>
> 			    <note>
> 
> 			      <para>				   
> 				    <xsl:value-of
> select="current-group()[self::Note][1]"/>
> 				  </para>
> 			   </note>
> 			  </para>
> 
> 		    </xsl:if>
> 			<xsl:if
> test="current-group()[1][self::BodyText]">
> 
> 			      <para>				  
> 	   			    <xsl:value-of
> select="current-group()[self::BodyText][1]"/>
> 
> 				  </para>
> 		    </xsl:if>
> 			<xsl:if test="current-group()[1][self::Body]">
> 
> 			      <para>
> 					<xsl:value-of
> select="current-group()[self::Body][1]"/>
> 				  </para>
> 		    </xsl:if>				
>            <xsl:apply-templates 
> select="current-group()[self::OneHead]"
> />
>            <xsl:for-each-group select="current-group() except ."
> group-starting-with="TwoHead">
>              <xsl:choose>
>                <xsl:when test="self::TwoHead">
>                  <section>
>                    <xsl:call-template name="addId"/>
>                    <xsl:apply-templates
> select="current-group()[self::TwoHead]"/>
>                    <xsl:for-each-group 
> select="current-group() except ."
>                                        
> group-starting-with="ThreeHead">
>                    <xsl:choose>
>                      <xsl:when test="self::ThreeHead">
>                        <section>
>                          <xsl:call-template name="addId"/>
>                          <xsl:apply-templates
> select="current-group()[self::*]"/>
>                        </section>
>                      </xsl:when>
>                      <xsl:otherwise>
>                        <xsl:apply-templates
> select="current-group()[self::*]"/>
>                      </xsl:otherwise>
>                    </xsl:choose>
>                    </xsl:for-each-group>
>                  </section>
>                </xsl:when>              
>                <xsl:otherwise>
>                  <xsl:for-each-group select="current-group()"
>                                      group-starting-with="ThreeHead">
>                  <xsl:choose>
>                    <xsl:when test="self::ThreeHead">
>                      <section>
>                        <xsl:call-template name="addId"/>
>                        <xsl:apply-templates
> select="current-group()[self::*]"/>
>                      </section>
>                    </xsl:when>
>                    <xsl:otherwise>
>                      <xsl:apply-templates
> select="current-group()[self::*]"/>
>                    </xsl:otherwise>
>                  </xsl:choose>
>                  </xsl:for-each-group>
>                </xsl:otherwise>
>              </xsl:choose>
>            </xsl:for-each-group>
>          </section>
>          </generic>
>      </c_support_doc>
>      </xsl:result-document>      
>      </xsl:for-each-group> 	
>   </xsl:template>

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