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XSL(T) problem

  • 08-04-2008 5:39pm
    #1
    Skud
    Registered Users, Registered Users 2 Posts: 1,821 ✭✭✭


    Hey I got a problem with XSL... Move this if it belongs in web forum.

    I believe the problem is with the element scope...

    Basically I have this dtd file: 
    <!ELEMENT catalogue (recordings, singers, composers, songs)>

<!ELEMENT recordings (recording+)>
<!ELEMENT recording (recID, singer, song, recordingDate, format, lengthInMinutes)>
<!ATTLIST recording recID CDATA #REQUIRED>
<!ELEMENT singer (#PCDATA)>	
<!ELEMENT song (#PCDATA)>	
<!ELEMENT recordingDate (day, month, year)>
<!ELEMENT day (#PCDATA)>
<!ELEMENT month (#PCDATA)>
<!ELEMENT year (#PCDATA)>
<!ELEMENT format (#PCDATA)>
<!ELEMENT lengthInMinutes (#PCDATA)>

<!ELEMENT singers (singer+)>
<!ELEMENT singer (singerID, name, age)>
<!ATTLIST singer singerID CDATA #REQUIRED>
<!ELEMENT name (firstname, surname)>
<!ELEMENT firstname (#PCDATA)>
<!ELEMENT surname (#PCDATA)>
<!ELEMENT age (#PCDATA)>

<!ELEMENT composers (composer+)>
<!ELEMENT composer (composerID, name, age)>
<!ATTLIST composer composerID CDATA #REQUIRED>
<!ELEMENT name (firstname, surname)>
<!ELEMENT firstname (#PCDATA)>
<!ELEMENT surname (#PCDATA)>
<!ELEMENT age (#PCDATA)>

<!ELEMENT songs (song+)>
<!ELEMENT song (sonID, title, composer)>
<!ATTLIST song songID CDATA #REQUIRED>
<!ELEMENT title (#PCDATA)>
<!ELEMENT composer (#PCDATA)>

    So what I need to do is match the recordings in a html table using cross referencing. I can do this. Heres the output:

    RecID | Singer | Song | RecordingDate | Format | LengthInMinutes | Composer
    2 | Driscoll, Aidan | La la la | 17January2006 | MP3 | 4.5 | AidanMcCarthy
    1 | Driscoll, Aidan | Fra la la | 17January2006 | MP3 | 3.5 | AidanDonovan
    3 | Sullivan, Aidan | Fra la la | 18January2006 | MP3 | 3.7 | AidanDonovan
    4 | Sullivan, Martin | Fra la la | 19January2006 | MP3 | 3.6 | AidanDonovan

    The problem I'm having is sorting the data by elements which arent being selected. So if I want to sort the data by song title I have the following xsl doc to do so (and the output is above, so its not sorting properly):
    <xsl:for-each select="/catalogue/recordings/recording">
<xsl:sort select="/catalogue/songs/song/title" />
      <tr>
        <td><xsl:value-of select="@recID" /></td>
        <td><xsl:value-of select="/catalogue/singers/singer[@singerID=current()/singer]/name/surname" />, 
        <xsl:value-of select="/catalogue/singers/singer[@singerID=current()/singer]/name/firstname" /></td>
        <td><xsl:value-of select="/catalogue/songs/song[@songID=current()/song]/title" /></td>
        <td><xsl:value-of select="recordingDate" /></td>
        <td><xsl:value-of select="format" /></td>
        <td><xsl:value-of select="lengthInMinutes" /></td>
        <td>
        <xsl:value-of select="/catalogue/composers/composer[@composerID=/catalogue/songs/song[@songID=current()/song]/composer]/name" /></td>
      </tr>
</xsl:for-each>

    So as you can see the problem is with : <xsl:sort select="/catalogue/songs/song/title" />. Since this is outside the foreach scope its not sorting it by this. Anybody know how I could sort it by an element outside recordings?

    Thanks,


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