Question

XPath Question

Asked by: sherly

I need to select MarkNameNodes (with MarkObjectType='TEXT') and its LaserFontNodes, InkFontNodes from a xml document. If a LaserFont or InkFont nodes are not found, display '-".

I have this code :

var MarkNameNodes=theRoot.selectNodes("//MarkTemplate["0"]/MarkingObjects/MarkObject[MarkObjectType='TEXT']/MarkName");
var LaserFontNodes=theRoot.selectNodes("//MarkTemplate["0"]/MarkingObjects/MarkObject[MarkObjectType='TEXT']/LaserFont");
var InkFontNodes=theRoot.selectNodes("//MarkTemplate["0"]/MarkingObjects/MarkObject[MarkObjectType='TEXT']/InkFont");

var strMarkObjectTable="<table border='1' id='MarkObjectGroup'>";
strMarkObjectTable += "<tr><td>MarkName</td><td>Laser</td><td>Ink</td></tr>";

for (i=0;i<MarkNameNodes.length;i++){
      if ( MarkNameNodes.item(i) != null ) {
              strMarkObjectTable += "<tr><td>"+ MarkNameNodes.item(i).text +"</td>";
      } else {
                strMarkObjectTable += "<td>-</td>";
      }

       if (LaserFontNodes.item(i) != null ) {
              strMarkObjectTable += "<tr><td>"+ LaserFontNodes.item(i).text +"</td>";
      } else {
                strMarkObjectTable += "<td>-</td>";
      }

       if ( InkFontNodes.item(i) != null ) {
              strMarkObjectTable += "<tr><td>"+ InkFontNodes.item(i).text +"</td>";
      } else {
                strMarkObjectTable += "<td>-</td>";
      }

       strMarkObjectTable += "</tr>";
}
strMarkObjectTable += "</table><br>";
divMarkObject.innerHTML=strMarkObjectTable;          


it returns me the result of :

MarkName     Laser      Ink
----------------------------------
001               12           12
002               12            9
003               -            -

the correct result should be :  
MarkName     Laser      Ink
----------------------------------
001                -            12
002               12            9
003               12            -

this is the xml :

<?xml version="1.0" encoding="utf-8"?>
<ArrayOfMarkTemplate>
  <MarkTemplate>
    <MarkType>MARKTYPE001</MarkType>
    <ImageId>854</ImageId>
    <MarkingObjects>
      <MarkObject>
        <MarkName>001</MarkName>
        <MarkObjectType>TEXT</MarkObjectType>
        <InkFont>12</InkFont>
      </MarkObject>
      <MarkObject>
        <MarkName>002</MarkName>
        <MarkObjectType>TEXT</MarkObjectType>
        <LaserFont>12</LaserFont>
        <InkFont>9</LaserFont>
       </MarkObject>
      <MarkObject>
        <MarkName>003</MarkName>
        <MarkObjectType>TEXT</MarkObjectType>
        <LaserFont>12</LaserFont>      
      </MarkObject>
      <MarkObject>
        <MarkName>004</MarkName>
        <MarkObjectType>GRAPHIC</MarkObjectType>
        <ObjectText>GRAPHIC001</ObjectText>
         <InkFont>10</InkFont>
      </MarkObject>
    </MarkingObjects>
  </MarkTemplate>
  <MarkTemplate>
   ......
  </MarkTemplate>

</ArrayOfMarkTemplate>

Please advise in what is the right way to code to get the correct result.

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Asked On
2006-11-11 at 23:09:03ID22057597
Tags

laserfont

Topic

Extensible Markup Language (XML)

Participating Experts
2
Points
500
Comments
3

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Answers

 

by: GertonePosted on 2006-11-12 at 11:49:58ID: 17926138

Hi sherly,

selectNodes gives you the set of nodes that do exist
so your result is a pretty logical one

why don't you select the MarkObject
and access the childNodes, if existent as childnodes of this MarkObject node
Then you are sure that the allignment is correct

Cheers!

 

by: GertonePosted on 2006-11-12 at 13:26:31ID: 17926537

sherly,

here is an example (I simply add nodenames and content to a string "test")

         var MarkObjectNodes=oXML.selectNodes("//MarkTemplate[1]/MarkingObjects/MarkObject[MarkObjectType='TEXT']");
                    for (i=0; i<MarkObjectNodes.length; i++)
                    {
                        for (j=0; j<MarkObjectNodes[i].childNodes.length; j++)
                              {
                                  test = test + (MarkObjectNodes[i].childNodes[j].nodeName);
                                  test = test + ("=");
                                  test = test + (MarkObjectNodes[i].childNodes[j].childNodes[0].nodeValue);
                                  test = test + ("<br />");
                              }                        
                    }        

you can fill in your logic yourself, by testing for the nodeName and adding the value or a "-"

cheers

Geert

 

by: jkmyoungPosted on 2006-11-15 at 14:50:10ID: 17951363

I believe you'd want something like this, with <tr> tags, and <td> tags
Each of the 3 nodes are tied to the particular object node.
Also, the data is replaced with '-' if the node is empty.

var MarkObjectNodes=oXML.selectNodes("//MarkTemplate[1]/MarkingObjects/MarkObject[MarkObjectType='TEXT']");
for (i=0; i<MarkObjectNodes.length; i++)
{
        strMarkObjectTable += "<tr>";            
      var MarkObjectNode = MarkObjectNodes.Item(i);
      var MarkNameNode   = MarkObject.SelectSingleNode("MarkName");
      var LaserFontNode  = MarkObject.SelectSingleNode("LaserFontNode");
      var InkFontNode    = MarkObject.SelectSingleNode("InkFontNode");


        strMarkObjectTable += "<td>";                  
        if (MarkNameNode != null) {
            strMarkObjectTable += MarkNameNode.text;
        } else {
                strMarkObjectTable += "-";
        }
        strMarkObjectTable += "</td>";                  

        strMarkObjectTable += "<td>";                  
        if (LaserFontNode != null) {
            strMarkObjectTable += LaserFontNode.text;
        } else {
                strMarkObjectTable += "-";
        }
        strMarkObjectTable += "</td>";            

        strMarkObjectTable += "<td>";                        
        if (InkFontNode != null) {
            strMarkObjectTable += InkFontNode.text;
        } else {
                strMarkObjectTable += "-";
        }
        strMarkObjectTable += "</td></tr>";            
}

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