Issue relating to XmlDiffPatch

Hello buddies,

This is Arati, am working as Software Developer in Siemens Information Systems Ltd. Bangalore, India.

I have been working on Microsoft .Net Technologies since 2 years.

Now... I have got one issue regarding Microsoft's XmlDiffPatch and I found no related articles.

I am using Microsoft's XmlDiffPatch component in my application(VS 2003 with Framework 1.1) to compare two XML files. I am getting an exception which is as follows (Exception.StackTrace):

at Microsoft.XmlDiffPatch.XmlDiff.PreprocessNode(XmlDiffNode node, XmlDiffNode[]& postOrderArray, Int32& currentIndex)
at Microsoft.XmlDiffPatch.XmlDiff.PreprocessNode(XmlDiffNode node, XmlDiffNode[]& postOrderArray, Int32& currentIndex)
at Microsoft.XmlDiffPatch.XmlDiff.PreprocessTree(XmlDiffDocument doc, XmlDiffNode[]& postOrderArray)
at Microsoft.XmlDiffPatch.XmlDiff.ZhangShashaAlgorithm()
at Microsoft.XmlDiffPatch.XmlDiff.Diff(XmlWriter diffgramWriter)
at Microsoft.XmlDiffPatch.XmlDiff.Compare(XmlNode sourceNode, XmlNode changedNode, XmlWriter diffgramWriter)

There is no much information available on the net regarding disadvantages and cuts of XmlDiffPatch.

Below is the code segment which I have written to compare two files.

XmlDocument xDiff = new XmlDocument();

StringBuilder sb = new StringBuilder();

StringWriter s = new StringWriter(sb);

XmlTextWriter xr = new XmlTextWriter(s);

//m_diffengine.Algorithm = XmlDiffAlgorithm.Precise;

bool cSuccess = m_diffengine.Compare(xOld, xNew, xr);

Console.WriteLine(cSuccess.ToString());

//xDiff.LoadXml(sb.ToString());

Could you please help me out in this case?

Thanks in advance.

Hello Jan,

Thank you for your reply.

Actually I am comparing two docbook files. (DocBook is a markup language for technical documentation. The structure of which is in XML format. If you need more info on this, you can get it on http://www.docbook.org )

Here are the files. The real big ones to paste here...

File1.docbook

http://www.siemensvdo.org/1.0/XSLTDoc">







  SiemensVDO Automotive AG
  Cold post start correction
  without project

   RBG
   Regensburg

  Engine Management System
  16.05.2007

  HH70091I.00A




   No abstract given

    Kellner, Stefan

   HH70091I.00A

   16.05.2007



    draft


  Test

   Data definition:









      Name
      Mode
      Hex. Limits
      Phys. Limits
      Resol.
      Unit







         LV_MAF_MES_KGH_END_DIAGCPS

         MAF deviation check finished



      O
      0... 1H
      0... 1
      1
      [-]



       MAF deviation check finished

   Input data:









      Name
      Mode
      Hex. Limits
      Phys. Limits
      Resol.
      Unit







         NC_CYL_NR

         count of cylinder




      1... 8H
      1... 8
      1
      [-]



       count of cylinder

   General Information:
   Test XML-Spec
   ABCD

    If A > 0 then
      das habe ich gendert
      yyy
    endif

   Das ist nur intern bestimmt
   Ganz neuer Textblock


   Function description:

    Das ist die Funktion 1

     General Information:
     Generell sage ich !!


     Application Conditions:

      Initialisation:


        LV_xxx = 0




      Recurrence:


        10ms




      Activation:


        ja




      Deactivation:


        auch





     Function description:

      Formula section:

       If nix anders then
       endif

    Neue Funktion

     General Information:


     Application Conditions:

      Initialisation:


        abc




      Recurrence:


        dxxx




      Activation:


        dfasdf




      Deactivation:


        asdf





     Function description:

      Formula section:

    Detailed description for Action: ACTION_Fuel mass ABC
    Text zu ABC

     Code zu ABC

    Detailed description for Action: ACTION_Fuel mass CDF

     Code zu CDF

File2.docbook

    Kellner, Stefan

   HH70091H.00A

   16.05.2007



    draft


  Test

   Data definition:









      Name
      Mode
      Hex. Limits
      Phys. Limits
      Resol.
      Unit







         LV_MAF_MES_KGH_END_DIAGCPS

         MAF deviation check finished



      O
      0... 1H
      0... 1
      1
      [-]



       MAF deviation check finished

   Calibration data:









      Name
      Mode
      Hex.Limits
      Phys.Limits
      Resol.
      Unit







         C_ABC_MIN_ETC_PWM

         Anti-bounce minimum value ETC actuator diagnosis



      O
      1... FFH
      1... 255
      1
      [-]



       Anti-bounce minimum value ETC actuator diagnosis

   General Information:
   Test XML-Spec
   ABCD

    If A > 0 then
      xxx
    else
      yyy
    endif

   Das ist nur fr intern bestimmt
   Generell sage ich !!


   Application Conditions:

    Initialisation:


      LV_xxx = 0




    Recurrence:


      10ms




    Activation:


      ja




    Deactivation:


      auch





   Function description:

    Formula section:

     If nix anders then
       Ausfhren
     endif

    Detailed description for Action: ACTION_Fuel mass ABC
    Text zu ABC

     Code zu ABC

    Detailed description for Action: ACTION_Fuel mass CDF

     Code zu CDF

2 Replies

Know the answer? Post it — somebody with the same question will find it here.

Arati Kadi19y ago
Hello Jan,

Thank you for your reply.

Actually I am comparing two docbook files. (DocBook is a markup language for technical documentation. The structure of which is in XML format. If you need more info on this, you can get it on http://www.docbook.org )

Here are the files. The real big ones to paste here...

File1.docbook

http://www.siemensvdo.org/1.0/XSLTDoc">







  SiemensVDO Automotive AG
  Cold post start correction
  without project

   RBG
   Regensburg

  Engine Management System
  16.05.2007

  HH70091I.00A




   No abstract given







    Kellner, Stefan

   HH70091I.00A

   16.05.2007



    draft


  Test

   Data definition:









      Name
      Mode
      Hex. Limits
      Phys. Limits
      Resol.
      Unit







         LV_MAF_MES_KGH_END_DIAGCPS

         MAF deviation check finished



      O
      0... 1H
      0... 1
      1
      [-]



       MAF deviation check finished







   Input data:









      Name
      Mode
      Hex. Limits
      Phys. Limits
      Resol.
      Unit







         NC_CYL_NR

         count of cylinder




      1... 8H
      1... 8
      1
      [-]



       count of cylinder







   General Information:
   Test XML-Spec
   ABCD

    If A > 0 then
      das habe ich gendert
      yyy
    endif

   Das ist nur intern bestimmt
   Ganz neuer Textblock


   Function description:


    Das ist die Funktion 1

     General Information:
     Generell sage ich !!


     Application Conditions:

      Initialisation:


        LV_xxx = 0




      Recurrence:


        10ms




      Activation:


        ja




      Deactivation:


        auch





     Function description:

      Formula section:

       If nix anders then
       endif







    Neue Funktion

     General Information:


     Application Conditions:

      Initialisation:


        abc




      Recurrence:


        dxxx




      Activation:


        dfasdf




      Deactivation:


        asdf





     Function description:

      Formula section:






    Detailed description for Action: ACTION_Fuel mass ABC
    Text zu ABC

     Code zu ABC





    Detailed description for Action: ACTION_Fuel mass CDF

     Code zu CDF





File2.docbook

http://www.siemensvdo.org/1.0/XSLTDoc">







  SiemensVDO Automotive AG
  Cold post start correction
  without project

   RBG
   Regensburg

  Engine Management System
  16.05.2007

  HH70091H.00A




   No abstract given







    Kellner, Stefan

   HH70091H.00A

   16.05.2007



    draft


  Test

   Data definition:









      Name
      Mode
      Hex. Limits
      Phys. Limits
      Resol.
      Unit







         LV_MAF_MES_KGH_END_DIAGCPS

         MAF deviation check finished



      O
      0... 1H
      0... 1
      1
      [-]



       MAF deviation check finished







   Input data:









      Name
      Mode
      Hex. Limits
      Phys. Limits
      Resol.
      Unit







         NC_CYL_NR

         count of cylinder




      1... 8H
      1... 8
      1
      [-]



       count of cylinder







   Calibration data:









      Name
      Mode
      Hex.Limits
      Phys.Limits
      Resol.
      Unit







         C_ABC_MIN_ETC_PWM

         Anti-bounce minimum value ETC actuator diagnosis



      O
      1... FFH
      1... 255
      1
      [-]



       Anti-bounce minimum value ETC actuator diagnosis







   General Information:
   Test XML-Spec
   ABCD

    If A > 0 then
      xxx
    else
      yyy
    endif

   Das ist nur fr intern bestimmt
   Generell sage ich !!


   Application Conditions:

    Initialisation:


      LV_xxx = 0




    Recurrence:


      10ms




    Activation:


      ja




    Deactivation:


      auch





   Function description:

    Formula section:

     If nix anders then
       Ausfhren
     endif




    Detailed description for Action: ACTION_Fuel mass ABC
    Text zu ABC

     Code zu ABC





    Detailed description for Action: ACTION_Fuel mass CDF

     Code zu CDF
Jan Montano19y ago
Hi arati,
I haven't used XmlDiffPatch yet. But could we take a loot at the xml files you're using for comparison?