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RE: [xsl] I only want to process the first node... ;)

2007-09-18 14:31:09
Hi Norman,

Add a root template that only applies templates on the direct S child nodes of 
Analysis and on each first descendant S within each non-S direct child of 
Analysis. Something like:

<xsl:template match="/">
        <xsl:apply-templates select="Analysis/S | Analysis/*//S[1]" />
</xsl:template>

Note: the union sort the S element to document order, and the [1] predicate 
does not result in just one S descendant (at least, that is the intention)

Kind regards,
Geert


   
 
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From: Norman Rosner [mailto:jeckyll(_at_)mac(_dot_)com] 
Sent: dinsdag 18 september 2007 18:14
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] I only want to process the first node... ;)

Hi there!

I have an XML File that looks like this:


<Analysis>

.....
<S>
      <PPER id="s33_5" word="er" lemma="er" morph="3.Nom.Sg.Masc"  
trans="he"/>
      <VVFIN id="s33_4" word="verlange" lemma="verlangen"  
morph="3.Sg.Pres.Subj"
             trans="request"/>
      <NP>
         <PP>
               <APPR id="s33_6" word="vor" lemma="vor" morph="--"  
trans="over"/>
               <PIS id="s33_7" word="allem" lemma="alle"  
morph="Dat.Sg.Masc" trans="all"/>
         </PP>
         <CNP>
               <NN id="s33_8" word="Arbeitsmoral" 
lemma="Arbeitsmoral"  
morph="Acc.Sg.Fem"
                trans="employee moral"/>
               <KON id="s33_9" word="und" lemma="und" morph="--"  
trans="and"/>
               <NP>
                  <ADJA id="s33_10" word="ordentliches"  
lemma="ordentlich" morph="Pos.Acc.Sg.Neut"
                     trans="proper"/>
                  <NN id="s33_11" word="Auftreten" 
lemma="auftreten"  
morph="Acc.Sg.Neut"
                   trans="appearence"/>
               </NP>
         </CNP>
      </NP>
      <PP>
         <APPR id="s33_1" word="Von" lemma="von" morph="--"  
trans="of | from"/>
         <PPOSAT id="s33_2" word="seinen" lemma="sein"  
morph="Dat.Pl.*" trans="her"/>
         <NN id="s33_3" word="Beschäftigten" lemma="beschäftigter"  
morph="Dat.Pl.*"
             trans="employees"/>
      </PP>
  </S>
  <DL>
      <CS>
         <S>
               <NE id="s34_1" word="Perot" lemma="Perot"  
morph="Nom.Sg.Masc" trans="Perot"/>
               <VAFIN id="s34_2" word="sei" lemma="sein"  
morph="3.Sg.Pres.Subj" trans="would be"/>
               <NP>
                  <ART id="s34_3" word="ein" lemma="ein"  
morph="Nom.Sg.Masc" trans="an"/>
                  <ADJA id="s34_4" word="autoritärer"  
lemma="autoritär" morph="Pos.Nom.Sg.Masc"
                     trans="authoritarian"/>
                  <NN id="s34_5" word="Macher" lemma="Macher"  
morph="Nom.Sg.Masc" trans="wright"/>
               </NP>
         </S>
         <KON id="s34_7" word="und" lemma="und" morph="--"  
trans="and"/>
         <S>
               <NP>
                  <PPOSAT id="s34_11" word="seine" lemma="sein"  
morph="Nom.Sg.Fem" trans="her"/>
                  <NN id="s34_12" word="Schwäche" lemma="Schwäche"  
morph="Nom.Sg.Fem"
                   trans="weakness"/>
               </NP>
               <VAFIN id="s34_9" word="sei" lemma="sein"  
morph="3.Sg.Pres.Subj" trans="would be"/>
               <ADV id="s34_10" word="auch" lemma="auch" 
morph="--"  
trans="too"/>
         </S>
      </CS>
      <S>
         <NP>
               <ART id="s34_16" word="ein" lemma="ein"  
morph="Nom.Sg.Masc" trans="a"/>
               <NN id="s34_17" word="Manager" lemma="Manager"  
morph="Nom.Sg.Masc" trans="manager"/>
         </NP>
         <VVFIN id="s34_14" word="beschreibt" lemma="beschreiben"  
morph="3.Sg.Pres.Ind"
                trans="describes"/>
         <PPER id="s34_15" word="ihn" lemma="ihn"  
morph="3.Acc.Sg.Masc" trans="him"/>
      </S>
  </DL>
</Analysis>

So there's an Analysis node and several S nodes as siblings. 
But there are also CS and DL nodes as siblings of the 
Analysis node. What i want is: Capitalize the first character 
of every @trans that occurs first in a S node and just print 
the rest @trans as strings to sdtout ;)

So thats what i wrote:

<?xml version="1.0" encoding="utf-8"?>

<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/
Transform"
            xmlns:xlink="http://www.w3.org/1999/xlink";
            xmlns:mt="machine_translation"
            xmlns:xml="http://www.w3.org/XML/1998/namespace";>

  <xsl:output method="text" omit-xml-declaration="yes"  
standalone="yes" indent="no"/>

  <xsl:strip-space elements="*"/>


<!-- Capitalize the first character of a given word -->
  <xsl:function name="mt:capitalize_first">
    <xsl:param name="word"/>
    <xsl:variable name="converted_first_char" select="translate 
(substring($word,1,1),'abcdefghijklmnopqrstuvwxyz',
'ABCDEFGHIJKLMNOPQRSTUVWXYZ')"/>
    <xsl:value-of select="concat($converted_first_char, substring 
($word, 2, string-length($word)))"/>
  </xsl:function>

  <xsl:template match="S">

    <xsl:variable name="terminals" select="descendant::*[count
(child::*) = 0]"/>

    <xsl:value-of 
select="mt:capitalize_first($terminals[1]/@trans)"/>

    <xsl:for-each select="$terminals[position() != 1]/@trans">
      <xsl:text> </xsl:text>
      <xsl:value-of select="."/>
    </xsl:for-each>

    <xsl:text>&#xa;</xsl:text>


  </xsl:template>
</xsl:stylesheet>

   But then i recognized that some S nodes can occur in a CS 
or DL nodes, so i changed my XPath expression (descendant::*[count
(child::*) = 0]) to tis one: ((ancestor::*)[2])/descendant::*[count
(child::*) = 0] just to test if it works when i take the 
ancestor node that comes directly after the Analysis node. It 
works fine but the fact is that i get the strings printed 2 
or three times. In the example above it is:

Perot would be an authoritarian wright and her weakness 
would be too a 
manager describes him Perot would be an authoritarian 
wright and her 
weakness would be too a manager describes him Perot would be an 
authoritarian wright and her weakness would be too a 
manager describes 
him


So i know why it is printed or processed three times: There a 
three S nodes inside the DL node. And here's the point: If i 
processed the first S node inside a DL or CS node i don't 
want to process the following S nodes in that CS or DL node.

I hope that somebody of you can help me and that somebody of 
you understand the problem :)

Thanks in advance

norman
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