Re: [xsl] Term/Definition Lookup

["Ihe Onwuka ihe.onwuka@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

<xsl:template match="root">
  <root>
     <defs>
       <xsl:apply-templates select="lookup/def"/>
     </defs>
  </root>
</xsl:template>

<xsl:template match="def[following-sibling::def]">
   <xsl:apply-templates/>
   <xsl:text>,</xsl:text>
</xsl:template>



On Wed, Jun 11, 2014 at 8:01 PM, Rick Quatro rick@xxxxxxxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> Hi,
>
> I have a comma-separated list of "terms". I want to loop through each term
> and end up with a comma-separated list of definitions. I am using XSLT 1.0.
> Here is my xml:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <root>
>     <terms>A, B, C, D, E</terms>
>     <lookup>
>         <term>A</term>
>         <def>Def for A</def>
>         <term>B</term>
>         <def>Def for B</def>
>         <term>C</term>
>         <def>Def for C</def>
>         <term>D</term>
>         <def>Def for D</def>
>         <term>E</term>
>         <def>Def for E</def>
>     </lookup>
> </root>
>
> The xml file has a built-in "lookup table" and here is the desired output:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <root>
>    <defs>Def for A, Def for B, Def for C, Def for D, Def for E</defs>
> </root>
>
> Here is my stylesheet:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
>     version="1.0">
>
>     <xsl:output method="xml" indent="yes"/>
>
>     <xsl:template match="/">
>         <xsl:apply-templates/>
>     </xsl:template>
>
>     <xsl:template match="lookup"/>
>
>     <xsl:template match="terms">
>         <root>
>             <defs>
>                 <xsl:call-template name="get-defs">
>                     <xsl:with-param name="list" select="."/>
>                 </xsl:call-template>
>             </defs>
>         </root>
>     </xsl:template>
>
>     <xsl:template name="get-defs">
>         <xsl:param name="list"/>
>         <xsl:variable name="wlist"
> select="concat(normalize-space(translate($list,',',' ')),' ')"/>
>         <xsl:choose>
>             <xsl:when test="$wlist!=' '">
>                 <xsl:variable name="first"
> select="substring-before($wlist,'
> ')"/>
>                 <xsl:variable name="rest" select="substring-after($wlist,'
> ')"/>
>                 <xsl:variable name="total">
>                     <xsl:call-template name="get-defs">
>                         <xsl:with-param name="list" select="$rest"/>
>                     </xsl:call-template>
>                 </xsl:variable>
>                <xsl:variable name="def">
>                     <xsl:call-template name="get-def">
>                         <xsl:with-param name="term" select="$first"/>
>                     </xsl:call-template>
>                 </xsl:variable>
>                 <xsl:message><xsl:value-of select="$def"/></xsl:message>
>                 <xsl:choose>
>                     <xsl:when test="$total=''">
>                         <xsl:value-of select="$def"/>
>                     </xsl:when>
>                     <xsl:otherwise>
>                         <xsl:value-of select="concat($def,', ',$total)"/>
>                     </xsl:otherwise>
>                 </xsl:choose>
>             </xsl:when>
>         </xsl:choose>
>     </xsl:template>
>
>     <xsl:template name="get-def">
>         <xsl:param name="term"/>
>         <xsl:value-of select="//def[preceding-sibling::term=$term]"/>
>     </xsl:template>
> </xsl:stylesheet>
>
> This works, but I have a couple of curiosities that I am trying to work
> through. If I change one of the terms so that the "get-def" template
> doesn't
> match (for example, "B" to "BB"), I get this:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <root>
>    <defs>Def for A, , Def for C, Def for D, Def for E</defs>
> </root>
>
> I thought I could use an <xsl:if test="$def!=''"> right before the last
> <xsl:choose> statement, but when I do, I only get this:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <root>
>    <defs>Def for A</defs>
> </root>
>
> Once there is no match on "B" it short-circuits the rest of the list. Any
> help or guidance would be appreciated. Thanks.
>
> Rick Quatro
>
> Rick Quatro
> Carmen Publishing Inc.
> 585-366-4017
> rick@xxxxxxxxxxxxxxx