RE: variables, grouping, and result-documents

You could replace

<xsl:variable name="stateName" select="current-group()/@state"/>

by

<xsl:variable name="stateName" select="current-group()[1]/@state"/> 

or more simply by

<xsl:variable name="stateName" select="current-grouping-key()"/>

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


> -----Original Message-----
> From: Terry Ofner [mailto:tofner@xxxxxxxxxxx] 
> Sent: 18 December 2007 21:28
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  variables, grouping, and result-documents
> 
> I am having trouble naming result documents. Here is a style 
> sheet that included two-level grouping and a result-document 
> statement.
> 
> <xsl:stylesheet version="2.0"
>       xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>       xmlns:fo="http://www.w3.org/1999/XSL/Format">
> <xsl:output method="xml" indent="no"/>
> 
> <!--State Standards file-->
> <xsl:variable name="StateFile" 
> select="document('stateCodes.xml')" /> <xsl:key 
> name="standard" match="state" use="@abbr" />
> 
> <!--Lesson Name file-->
> <xsl:variable name="lessonFile" 
> select="document('Grade4Skills.tab')" /> <xsl:key 
> name="lessonName_by_num" match="skill" use="@num" />
> 
> 
>    <!--start grouping by states and naming result-documents-->
> 
>    <xsl:template match="/">
>      <xsl:for-each-group select="/Root/Story/State_Standard" 
> group- by="@state">
>       <xsl:variable name="stateName" select="current-group()/@state"/>
>          <xsl:result-document href="{$stateName}.fo">
> 
> <!--Define FO page layouts and Place State Standard at top of 
> table--> <!--fo:master page formatting cut out:-->
> 
> <fo:static-content flow-name="headerRest">
>          <fo:block text-align="end"
>            font-size="10pt"
>            font-family="serif"
>            line-height="14pt" >
>            Reading Express Level D / <xsl:variable name="LocalState"  
> select="$stateName" />
>            <xsl:for-each select="$StateFile">
>              <xsl:value-of select="key('standard', $LocalState)" />
>            </xsl:for-each> Correlation - p. <fo:page-number/>
>          </fo:block>
>        </fo:static-content>
> 
>        <fo:flow flow-name="xsl-region-body"> <fo:block 
> font-size="16pt"
>            font-family="sans-serif"
>            font-weight="bold"
>            line-height="24pt"
>            space-after.optimum="15pt"
>            background-color="gray"
>            color="white"
>            text-align="center">
>   <xsl:variable name="LocalState" select="$stateName" /> 
> <xsl:for-each select="$StateFile"> <xsl:value-of 
> select="key('standard', $LocalState)" /> </xsl:for-each>
>          </fo:block>
>    <fo:block font-size="11pt"
>      font-family="serif"
>      line-height="24pt"
>      space-after.optimum="15pt"
>      background-color="white"
>      color="black"
>      text-align="left">
>      <xsl:variable name="LocalState" select="$stateName" />
>      This chart correlates the <xsl:for-each 
> select="$StateFile"><xsl:value-of select="key('standard', 
> $LocalState)" /></xsl:for-each> to the lessons of Reading 
> Express, Level D.
>    </fo:block>
> 
> 
> <fo:table-body>
>         <xsl:for-each-group select="current-group()/SS" group-by=".">
>              <xsl:sort select="."/>
>           <fo:table-row border-color="black" border-width="0.5pt"  
> border-style="solid" keep-together.within-page="always">
> 
>             <fo:table-cell padding="4pt" 
> keep-together.within- page="always">
>            <fo:block text-align="left" font-size="11pt" font- 
> family="serif" text-indent="-24pt" start-indent="24pt">
>                <xsl:copy-of select="node()"/>
>            </fo:block>
>          </fo:table-cell>
>                <xsl:variable name="skillNumber" 
> select="current-group ()/../@skill"/>
>                    <xsl:for-each select="$lessonFile">
>                      <fo:table-cell padding="4pt" keep- 
> together.within-page="always">
>              <fo:block text-align="left" font-size="11pt" 
> font- family="serif">
>                <xsl:copy-of select="key('lessonName_by_num', 
> $skillNumber)/child::node()" />
>            </fo:block>
>           </fo:table-cell>
>           </xsl:for-each>
>        </fo:table-row>
>               </xsl:for-each-group>
> </fo:table-body>
>    </fo:table>
> 
>    </fo:flow>
>      </fo:page-sequence>
>    </fo:root>
>        </xsl:result-document>
>      </xsl:for-each-group>
>    </xsl:template>
> </xsl:stylesheet>
> 
> The source xml contains multiple standards each for all 50 
> states and DC.
> 
> <?xml version="1.0"?>
> <Root>
>      <Story>
>          <State_Standard skill="01" state="AZ">
>              <State>Arizona Standards</State>
>              <SS>1.4.1 Use knowledge of root words and 
> affixes to determine the meaning of unknown
>                  words.</SS>
>          </State_Standard>
>      </Story>
>        <State_Standard skill="29" state="CA">
>              <State>California Standards</State>
>              <SS>2.1 Identify structural patterns found in 
> informational text to strengthen
>                  comprehension.</SS>
>          </State_Standard>
>      </Story>
> </Root>
> 
> The contents of the resulting documents look great. It is the 
> resulting file names that are loopy. Here are the names of 
> two of my resulting files:
> 
> FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL 
> FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL 
> FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL FL.fo
> 
> and
> 
> CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA  
> CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA  
> CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA.fo
> 
> It seems that I have this variable line in the wrong place:
> 
> <xsl:variable name="stateName" select="current-group()/@state"/>
> 
> Am I trying to do too much inside this one template?
> Do I need two templates?
> 
> Thanks in advance,
> 
> Terry Ofner