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Re: XML , DOM - Modify the tree [message #12141 is a reply to message #12135]

Fri, 12 October 2007 16:10

pippo
Messages: 17
Registered: October 2007
Location: Italy

Promising Member

luzr wrote on Fri, 12 October 2007 11:44

You can use following methods to modify XmlNode:

YES! I've discovered these just 15 minutes ago... Smile

At() methods is very nice, also.

---
Now I need to swap 2 nodes with all their sub-nodes. And/or insert a node between other nodes in a precise position (no append at end).

BEFORE:

<EatInSequence>
   <module>
      <thing value= "spaghetti"/>
   </module>
   <module>
      <thing value= "pizza"/>
   </module>
   <module>
      <thing value= "cheese cake"/>
   </module>
</EatInSequence>

AFTER:

<EatInSequence>
   <module>
      <thing value= "spaghetti"/>
   </module>
   <module>
      <thing value= "Beer"/>
   </module>
   <module>
      <thing value= "pizza"/>
   </module>
   <module>
      <thing value= "cheese cake"/>
   </module>
</EatInSequence>

I CAN'T CHANGE ONLY THE VALUE OF ATTRIB "value" (my first idea Laughing

), because this's only an exaple! In real my nodes are full of sub-nodes, then I must move sub and sub and sub nodes, too.

My onlyone solution found Embarassed

is:
1) read the old xml file
2) in dom-tree insert a my tag with progressive number
3) insert new tags (in append...) and mark it with position number needed.

<EatInSequence>
   <module>
      <thing value= "spaghetti"/>
      <myTag progr = "0">
   </module>
   <module>
      <thing value= "pizza"/>
      <myTag progr = "2">
   </module>
   <module>
      <thing value= "cheese cake"/>
      <myTag progr = "3">
   </module>
   <module>
      <thing value= "beer"/>
      <myTag progr = "1">
   </module>
</EatInSequence>

4) create a new tree, copying the nodes in correct sequence and deleting my tags with progressive number.
5) save.
Embarassed

Have you got a better solution?

Sorry for my english.....

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