[ http://nagoya.apache.org/jira/browse/XERCESC-647?page=history ]
Alberto Massari updated XERCESC-647:
------------------------------------
Priority: Major
> problem cloning DOMDocument
> ---------------------------
>
> Key: XERCESC-647
> URL: http://nagoya.apache.org/jira/browse/XERCESC-647
> Project: Xerces-C++
> Type: Bug
> Components: DOM
> Versions: 2.1.0
> Environment: Operating System: All
> Platform: Other
> Reporter: gareth reakes
> Assignee: Xerces-C Developers Mailing List
>
> When cloning a DOMDocument we do not clone the elements that provide default
> attribute information. This causes 2 problems. First is that any elements that
> are then cloned do not get the default attributes because these are created in
> the constructors by asking the DOMDocument. Second is that deafult attributes do
> not get placed back on the elemtents when they are deleted.
> This was raised on the list and the feedback was positive for the change.
> Patch is for cvs
> Index: dom/impl/DOMDocumentImpl.cpp
> ===================================================================
> RCS file: /home/cvspublic/xml-xerces/c/src/xercesc/dom/impl/DOMDocumentImpl.cpp,v
> retrieving revision 1.26
> diff -u -r1.26 DOMDocumentImpl.cpp
> --- dom/impl/DOMDocumentImpl.cpp 27 Sep 2002 19:18:40 -0000 1.26
> +++ dom/impl/DOMDocumentImpl.cpp 2 Oct 2002 12:03:22 -0000
> @@ -971,7 +971,7 @@
> for(XMLSize_t i=0;i<srcattr->getLength();++i)
> {
> DOMAttr *attr = (DOMAttr *) srcattr->item(i);
> - if (attr -> getSpecified()) { // not a default attribute
> + if (attr -> getSpecified() || cloningDoc) { // not a
> default attribute or we are in the process of cloning the elements from inside a
> DOMDocumentType
> DOMAttr *nattr = (DOMAttr *) importNode(attr, true, false);
> if (attr -> getLocalName() == 0)
> newelement->setAttributeNode(nattr);
> @@ -1061,11 +1061,17 @@
> tmap->setNamedItem(importNode(smap->item(i), true, false));
> }
> }
> - // NOTE: At this time, the DOM definition of DocumentType
> - // doesn't cover Elements and their Attributes. domimpl's
> - // extentions in that area will not be preserved, even if
> - // copying from domimpl to domimpl. We could special-case
> - // that here. Arguably we should. Consider. ?????
> +
> + smap = ((DOMDocumentTypeImpl *)srcdoctype)->getElements();
> + tmap = ((DOMDocumentTypeImpl *)newdoctype)->getElements();
> + if (smap != 0) {
> + for(XMLSize_t i = 0; i < smap->getLength(); i++) {
> +
> + //note the true setting for clone doc, this is so default
> attrs get copied accross in the next call to this method
> + tmap->setNamedItem(importNode(smap->item(i), true, true));
> + }
> + }
> +
> newnode = newdoctype;
> }
> break;
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