modify attribute of root element

[Marko D]

I'm trying to modify an attribute of the root element in an XML like:

<?xml version="1.0" encoding="UTF-8"?>

<project-modules id="moduleCoreId" project-version="1.5.0">

    <wb-module deploy-name="test">

  </project-modules>

The value of attribute "id" should be modified from "moduleCoreId" to "123".

So far I tried (in a Scala worksheet):

 val testXml = loadXml(new FileReader("org.eclipse.wst.common.component"))

                                                  //> testXml  : scales.xml.Doc = scales.xml.doc

  

  val root = top(testXml).*("project-modules"l)   //> root  : scales.xml.XPath[List[scales.utils.Path[scales.xml.XmlItem,scales.xm

                                                  //| l.Elem,[T]scales.utils.ImmutableArrayProxy[T]]]] = scales.xml.XPath@2a8ceeea

                                                  //| 

  

  val idAtribPath = top(testXml).*("project-modules"l)\@("id"l)

                                                  //> idAtribPath  : scales.xml.AttributePaths[List[scales.utils.Path[scales.xml.X

                                                  //| mlItem,scales.xml.Elem,[T]scales.utils.ImmutableArrayProxy[T]]]] = Attribute

                                                  //| Paths(List(AttributePath(Attribute({}id,moduleCoreId),Path(Top,0,scales.xml.

                                                  //| Elem$NoNamespacesElem@e92d9317))),XPathInfo(List(List(Path(Top,0,scales.xml.

                                                  //| Elem$NoNamespacesElem@e92d9317))),false,false,false,true,false),scala.collec

                                                  //| tion.generic.GenTraversableFactory$ReusableCBF@1b31303f)

  

  string(idAtribPath)                             //> res0: String = moduleCoreId

  

  

  val folded=  foldPositions( root){

  p => {

 Replace(elem(p)/@("id" ->"123"))

      //AsIs()

       }

  }                                               //> folded  : Paths.this.FoldR[scales.xml.XmlItem,scales.xml.Elem,scales.xml.XCC

                                                  //| ] = Right(AddedBeforeOrAfterRoot)

          

 printTree(folded.left.get.tree) 

How can I replace the value of "id" attribute ?

Mark

[Chris Twiner]

Hi Mark,

I'm treating this as a bug, it made sense for the earliest
foldPosition implementations but doesn't now when using a Replace
(addbefore / after would still be incorrect for a root).

https://github.com/chris-twiner/scalesXml/issues/23

For changing it in this case its just:

root.tree /@( "id" -> "123" )

I'm targeting 0.5-M1 for that bug fix, which should be end of next week.

Cheers,
Chris

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[Marko D]

Thanks,

Nice syntax