RE: [xsl] Variables

["Michael Kay" <mike@xxxxxxxxxxxx>]

Firstly, xsl:if doesn't change the context node, so this

    <xsl:if test="webenmr/calculation">
        <xsl:if test="webinfo">
            <xsl:value-of select="@workingdir"/>

should probably be something like this:

    <xsl:if test="webenmr/calculation">
        <xsl:if test="webemr/calculation/webinfo">
            <xsl:value-of select="webemr/calculation/webinfo/@workingdir"/>

Assuming the context node is a pdb_info, you can output your hyperlink like
this:

    <a
href="{ancestor::calculation/webinfo/@workingdir}/{@filename}">...</a>

I think you're having problems because you haven't understood the concept of
the context node/item, or the details of when and how it changes. Also: try
to take advantage of apply-templates and template rules, rather than
wrapping everying in deeply-nested for-each loops.

Regards,

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

 

> -----Original Message-----
> From: David Galligani [mailto:galligani@xxxxxxxxxxxxx] 
> Sent: 26 October 2009 11:29
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] Variables 
> 
> Hi all ,
> I' m a complete newbie in xml/xsl , and I'm having several problems .
> I have the following xml :
> 
> <webenmr>
> <calculation>
> <webinfo workingdir="x_10_2009" />
> <protocol name="xplor" type="pm">
> <parameter init_t="2500" high_step="10000" cool_step="10000"
> end_count="5" loop_count="3" timestep="0.005" n_thread="20" 
> /> <structure> <struct_file>protein.psf</struct_file>
> <struct_file>CA2.psf</struct_file>
> <struct_file>axis_new_501.psf</struct_file>
> <struct_file>axis_new_502.psf</struct_file>
> <struct_file>axis_new_503.psf</struct_file>
> </structure>
> <parameter_md>
> <param_file>par_axis_3.pro</param_file>
> <param_file>ca.par</param_file>
> </parameter_md>
> <coordinate>
> <coord_file>protein.pdb</coord_file>
> <coord_file>ca.pdb</coord_file>
> <coord_file>axis_xyzo_3_501.pdb</coord_file>
> <coord_file>axis_xyzo_3_502.pdb</coord_file>
> <coord_file>axis_xyzo_3_503.pdb</coord_file>
> </coordinate>
> <noe>
>     <cls name="tensor" scale="1000">
>      <noe_file>tensors.tbl</noe_file>
>     </cls>
>     <cls name="noe" scale="50">
>      <noe_file>calbindin_NOE.tbl</noe_file>
>      <noe_file>metalcenter.tbl</noe_file>
>     </cls>
>    </noe>
>    <dih>
>     <dih_file>calbindin_ACO.tbl</dih_file>
>    </dih>
>    <xpcs xpcs_file="calbindin_PCS_ce.tbl" xclass="pcsce" t1="521.4" 
> t2="-175.5" fmed="20" scale="5.0" />
>    <xpcs xpcs_file="calbindin_PCS_dy.tbl" xclass="pcsdy" t1="9041.9" 
> t2="-5601.7" fmed="20" scale="0.25" />
>    <xpcs xpcs_file="calbindin_PCS_yb.tbl" xclass="pcsyb" t1="1978.7" 
> t2="-923.3" fmed="20" scale="1.25" />
>    <xrdc xrdc_file="calbindin_RDC_ce.tbl" xclass="rdcce" t1="-0.424" 
> t2="0.143" fmed="20" scale="1.0" />
>    <xrdc xrdc_file="calbindin_RDC_dy.tbl" xclass="rdcdy" t1="-7.348" 
> t2="4.552" fmed="20" scale="0.05" />
>    <xrdc xrdc_file="calbindin_RDC_yb.tbl" xclass="rdcyb" t1="-1.608" 
> t2="0.750" fmed="20" scale="0.25" />
>    <metal_parameter type="xml">
>     <convert type="xplor,amber" />
>     <type_name name="M1" element="Ca" mass="40.080" eps="0.05" />
>    </metal_parameter>
>    <metal_topology type="xml">
>     <res name="XM1">
>      <atom_name name="CA2" type_name="M1" charge="2.0" num="1" />
>     </res>
>    </metal_topology>
>    <analysis comp_sel="name CA" top_frac="0.2" />
>   </protocol>
>   <output name="xplor">
>    <iteration number="1">
>     <pdb_info directory="./input_9/"
> filename="ite_1_d_input_9_pdb_sa1_1.pdb">
> <XPCS_tensor A1="554.334203883598" energy_pcs="0.958539032156901"
> A2="-166.871736148801" class="pcsce"
> total_energy="89.1003471455398" />
> </pdb_info>
> <pdb_info directory="./input_9/"
> filename="ite_1_d_input_9_pdb_sa1_2.pdb">
> <XPCS_tensor A1="541.035035882894" energy_pcs="1.39407060526426"
> A2="-159.967740084884" class="pcsce"
> total_energy="188.041801829022" />
> </pdb_info>
> <pdb_info directory="./input_9/"
> filename="ite_1_d_input_9_pdb_sa1_3.pdb">
> <XPCS_tensor A1="535.219580534061" energy_pcs="1.32367130882385"
> A2="-175.784774140119" class="pcsce"
> total_energy="90.7929905009074" />
> </pdb_info>
> [...]
> 
> and the xsl  ( which probably will be infested with errors :) ):
> 
> <?xml version="1.0"?>
> <xsl:stylesheet version="1.0" 
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
> <xsl:output method="html" encoding="UTF-8"/>
> 
>     <xsl:template match="/">
>         <html>
> <head>
> <meta http-equiv="content-type" content="text/html; 
> charset=utf-8" /> <title>ENMRWEBUI</title>
> 
> 
> <!--<link xmlns="http://www.w3.org/1999/xhtml"; 
> type="text/css" href="" />-->
> 
> <!--<link rel="stylesheet" type="text/css" media="print" 
> href="css/enmrwebui.css" />-->
> </head><body>
>         <!--<xsl:if test="@name='xplor'">-->
>             <xsl:if test="webenmr/calculation">
>                 <xsl:if test="webinfo">
>                 <xsl:value-of select="@workingdir"/>
>                 </xsl:if>
>                  <xsl:if test="webenmr/calculation/output/iteration">
>                     <table id="outputTable">
>                      <xsl:for-each
> select="webenmr/calculation/output/iteration">
>                         <tr><th>Iteration
>                             </th>
>                       
>                             <td>
>                                 <xsl:value-of select="@number"/>
>                            
>                             </td><td></td><td></td><td></td>
> 
>                          </tr>
>              
>                         <xsl:for-each select="pdb_info">
>                              <tr>
>                                 <th>File</th>
>                                 <td><a href="file_pdb/">
>                                    
>                                     <xsl:value-of select="@filename"/>
>                                     </a>
>                                 </td><td></td><td></td><td></td>
>                              </tr>
>                            
>                                         <xsl:if test="XPCS_tensor">
>                                 <tr>
>                                     <th>XPCS Tensor A1 
> </th><th>Energy PCS</th><th>A2</th><th>Class</th><th>Total Energy</th>
>                                 </tr>
>                                
>                                 <xsl:for-each select="XPCS_tensor">
>                                    
>                                 <tr>
>                                     <td><xsl:value-of 
> select="@A1"/> </td>
>                                
>                                     <td> <xsl:value-of 
> select="@energy_pcs"/></td>
>                               
>                                     <td><xsl:value-of 
> select="@A2"/> </td>
>                               
>                                     <td><xsl:value-of 
> select="@class"/></td>
>                                
>                                     <td> <xsl:value-of 
> select="@total_energy"/></td>
>                                 </tr>   
>                                 </xsl:for-each>
>                                 </xsl:if>
>                                [...]
> 
> I want to concatenate the "workingdir" and "filename" values 
> in an hyperlink , something like <a 
> href='workingdir/filename'>File</a>
> but atm nothing seems to work .
> I'm sure it' s a silly thing , but I have already lost 2 days 
> trying to achieve it , and I was wondering if someone could help me .
> Many thx in advance .
> 
> David
> 
> P.S.: I hope you can understand my english ...