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Re: Re: Re: AW: AW: global variable and position() once more

2003-09-02 13:35:35
from [fe . sola] [Permanent Link] 
Hello again Dimitre:
The following code gives me the error:
"Error in XPath expression, function not in namespace" 
<xsl:variable name="vStructured" 
select="ext:node-set($vrtfStructured)"/> 
I tried supresisng the ext denoting the namespace, but again the error.
tia
Lizet


Mensaje citado por Dimitre Novatchev <dnovatchev(_at_)yahoo(_dot_)com>:
...
  

The complete code now is:

<xsl:stylesheet version="1.0"
 xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
 xmlns:ext="http://exslt.org/common";
  exclude-result-prefixes="ext">

 <xsl:output omit-xml-declaration="yes" indent="yes"/>
 <xsl:strip-space elements="*"/>

 <xsl:key name="kSection"
  match="node()[not(self::hr)]"
  use="generate-id(preceding-sibling::hr[1])"/>

 <xsl:key name="kStart"
  match="section[(_at_)name='Claims']/text()
                [preceding-sibling::*[1][self::br]]"
  use="contains(., '.')
     and
       number(substring-before(., '.'))
      =
       number(substring-before(., '.'))"/>

  <xsl:key name="kTrail"
  match="section[(_at_)name='Claims']/text()
                [preceding-sibling::*[1][self::br]]"
   use="generate-id(
            preceding-sibling::text()
            [
             contains(., '.')
           and
             number(substring-before(., '.'))
            =
             number(substring-before(., '.'))
            ]
            [1]
                   )"/>

  <xsl:template match="/">
     <xsl:variable name="vrtfStructured">
      <xsl:for-each select="*/hr">
        <section name="{normalize-space(following-sibling::node()[1])}">
         <xsl:copy-of select="key('kSection', generate-id())"/>
        </section>
      </xsl:for-each>
     </xsl:variable>

     <xsl:variable name="vStructured"
select="ext:node-set($vrtfStructured)"/>

     <xsl:for-each select="$vStructured">
      <xsl:for-each select="key('kStart', 'true')">
       <Claim>
        <xsl:copy-of select="normalize-space()"/>
        <xsl:variable name="vLastNumbered" select="position() = last()"/>
        <xsl:for-each select="key('kTrail', generate-id())">
          <xsl:if test="$vLastNumbered or not(position() = last())">
            <xsl:copy-of
             select="concat(substring(.,1,1),
                            normalize-space(substring(.,2))
                            )"/>
          </xsl:if>
        </xsl:for-each>
       </Claim>
      </xsl:for-each>
    </xsl:for-each>
  </xsl:template>
</xsl:stylesheet>


When applied on your source.xml:

<html>
  <hr/>   Claims
  <br/>
  <br/>   I claim:
  <br/>
  <br/>   1. blah blah
  <br/>
  <br/>   more blah blah
  <br/>
  <br/>   2. blah blah blah
  <br/>
  <br/>   more blah blah
  <br/>
  <br/>   3. blah blah
  <br/>
  <br/>   more blah blah
  <br/>
  <br/>   4. blah blah blah
  <br/>
  <br/>   more blah blah
  <br/>
  <hr/>   Description
  <br/>   This is the introduction to the description
  <br/>   1. blah blah
  <br/>
  <br/>   more blah blah
  <br/>
  <br/>   2. blah blah blah

</html>

the wanted result is produced:

<Claim>1. blah blah more blah blah</Claim>
<Claim>2. blah blah blah more blah blah</Claim>
<Claim>3. blah blah more blah blah</Claim>
<Claim>4. blah blah blah more blah blah</Claim>


=====
Cheers,

Dimitre Novatchev.
http://fxsl.sourceforge.net/ -- the home of FXSL

<fe(_dot_)sola(_at_)infomed(_dot_)sld(_dot_)cu> wrote in message
news:1062521638(_dot_)3f54cb269eb21(_at_)webmail(_dot_)sld(_dot_)cu(_dot_)(_dot_)(_dot_)

Hello Dimitre and all,
The algorithm works very well except for what I mentioned in the previous

email and it

was definetely my fault. I have contiguous text nodes with the description

that have the

same list structure, so the xhtml looks like this:

<html>
  <hr/>   Claims
  <br/>
  <br/>   I claim:
  <br/>
  <br/>   1. blah blah
  <br/>
  <br/>   more blah blah
  <br/>
  <br/>   2. blah blah blah
  <br/>
  <br/>   more blah blah
  <br/>
  <br/>   3. blah blah
  <br/>
  <br/>   more blah blah
  <br/>
  <br/>   4. blah blah blah
  <br/>
  <hr/>   Description
  <br/>   This is the introduction to the description
  <br/>   1. blah blah
  <br/>
  <br/>   more blah blah
  <br/>
  <br/>   2. blah blah blah

</html>

So far what I have on the xslt is:
<xsl:key name="kStart"
                     match="text()[preceding-sibling::*[1][self::br]]"
                     use="contains(., '.')
                     and
                     number(substring-before(., '.'))
                     =
                     number(substring-before(., '.'))"/>

    <xsl:key name="kTrail"
                  match="text()[preceding-sibling::*[1][self::br]]"
                  use="generate-id(
                            preceding-sibling::text()
                            [
                              contains(., '.')
                              and
                              number(substring-before(., '.'))
                              =
                              number(substring-before(., '.'))
                           ]
                           [1]
                   )"/>
<xsl:template match="/html/body">
  <xsl:element name="Claims">
               <xsl:apply-templates

select="node()[preceding-sibling::text()[starts-with

(normalize-space(.), 'Claims')] and

following::text()[starts-with(normalize-space

(.), 'Description')]] " mode="claims"/>
  </xsl:element>
</xsl:template>

<xsl:template

match="node()[preceding-sibling::text()[starts-with(normalize-space

(.), 'Claims')] and following::text()[starts-with(normalize-space(.),

'Description')]] "

mode="claims">
                   <xsl:for-each select="key('kStart', 'true')">
                           <Claim>
                              <xsl:copy-of select="normalize-space()"/>
                              <xsl:variable name="vLastNumbered"

select="position() =

last()"/>
                           <xsl:for-each select="key('kTrail',

generate-id())">


                               <xsl:if test="$vLastNumbered or

not(position() = last

())">

                                     <xsl:copy-of

select="concat(substring(.,1,1),

normalize-space(substring(.,2)))"/>

                               </xsl:if>
                            </xsl:for-each>
                          </Claim>
                 </xsl:for-each>
</xsl:template>


But in the xml output I'm getting the claims alraight except that in the

last claim I

get the fisrt text node of the description included and then starts the

description

list. I know it has to do with:
node()[preceding-sibling::text()[starts-with(normalize-space(.),

'Claims')] and

following::text()[starts-with(normalize-space(.), 'Description')]]
I thought this expression would select the text nodes between 'Claims' and

'Description'

only so I'm still puzzled why it selects nodes after the 'Description'

text node...

Thanks a lot for looking at this,
Lizet

Mensaje citado por Dimitre Novatchev <dnovatchev(_at_)yahoo(_dot_)com>:




Here's the corrected code (the key definitions are omitted as they are

the

same:

<xsl:stylesheet version="1.0"
 xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>

 <xsl:output omit-xml-declaration="yes" indent="yes"/>
 <xsl:strip-space elements="*"/>

 <xsl:key name="kStart"
  match="text()[preceding-sibling::*[1][self::br]]"
  use="contains(., '.')
     and
       number(substring-before(., '.'))
      =
       number(substring-before(., '.'))"/>

  <xsl:key name="kTrail"
  match="text()[preceding-sibling::*[1][self::br]]"
   use="generate-id(
            preceding-sibling::text()
            [
             contains(., '.')
           and
             number(substring-before(., '.'))
            =
             number(substring-before(., '.'))
            ]
            [1]
                   )"/>

  <xsl:template match="/">
    <xsl:for-each select="key('kStart', 'true')">
     <Claim>
      <xsl:copy-of select="normalize-space()"/>
      <xsl:variable name="vLastNumbered" select="position() = last()"/>
      <xsl:for-each select="key('kTrail', generate-id())">
        <xsl:if test="$vLastNumbered or not(position() = last())">
          <xsl:copy-of
           select="concat(substring(.,1,1),
                          normalize-space(substring(.,2))
                          )"/>
        </xsl:if>
      </xsl:for-each>
     </Claim>
    </xsl:for-each>
  </xsl:template>
</xsl:stylesheet>

I believe that two very good books on XSLT are the following:

  "Beginning XSLT" by Jeni Tennison

  "XSLT Programmer's Reference" by Michael Kay.









=====
Cheers,

Dimitre Novatchev.
http://fxsl.sourceforge.net/ -- the home of FXSL

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