internal static XmlNode GetCached(IntPtr ptr)
{
XmlNode retval=null;
#if DEBUG
if(!XmlNodeCache.IsCached(ptr))
{
throw new Exception("Node not registered ...");
}
#endif
//retval=(XmlNode)(Native._xmlNodeGetCached(ptr));
retval = new XmlNode(Native._xmlNodeGetCached(ptr));
return retval;
}
public XmlNode AddChild(XmlNode child)
{
// clear the cache as this /might/ be freed !
// I ain't taking no chances. (wild wild west)
if(this.GetFirstChild()!=null)
{
throw new Exception("Cannot add more that one child to a XmlDoc");
}
if(child.ElementType==XmlElementType.XML_TEXT_NODE)
XmlNodeCache.Uncache(child.DeSerialize());
IntPtr retval=Native._xmlAddChild(dataPtr,child.DeSerialize());
if(retval == IntPtr.Zero)
{
throw new Exception("New node Could not be linked in !");
}
return XmlNodeFactory.NewNode(retval);
}
public XmlNode AddChild(XmlNode child)
{
if(child.ElementType == XmlElementType.XML_DOCUMENT_NODE)
{
throw new Exception("Document nodes cannot be added anywhere !");
}
// clear the cache as this /might/ be freed !
// I don't take no chances. (wild wild west)
if(child.ElementType == XmlElementType.XML_TEXT_NODE)
XmlNodeCache.Uncache(child.DeSerialize());
IntPtr retval=Native._xmlAddChild(dataPtr,child.DeSerialize());
if(retval == IntPtr.Zero)
{
throw new Exception("New node Could not be linked in !");
}
return XmlNodeFactory.NewNode(retval);
}
public static XmlNode NewNode(IntPtr ptr)
{
XmlNode retval;
/*
* TODO: find a way to debug ....
*
* Also fix pnet's switch bug so that this works !
* try #define INCLUDE_TODO and running this
*/
if(ptr==IntPtr.Zero)
{
return null; //should I throw an exception here ?
}
if(XmlNodeCache.IsCached(ptr))
{
return XmlNodeCache.GetCached(ptr);
}
/*
* I wish I could write macros for the following code :(
* identical code .... yuck !
*/
switch(Native._xmlNodeGetElementType(ptr))
{
case XmlElementType.XML_ELEMENT_UNDEF:
throw new Exception("Impossible !");
break;
case XmlElementType.XML_ELEMENT_NODE:
retval=new XmlElement(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
case XmlElementType.XML_ATTRIBUTE_NODE:
retval=new XmlAttr(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
case XmlElementType.XML_TEXT_NODE:
retval=new XmlText(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
case XmlElementType.XML_CDATA_SECTION_NODE:
retval=new XmlCData(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_ENTITY_REF_NODE:
goto default;
/*TODO*/
case XmlElementType.XML_ENTITY_NODE:
goto default;
case XmlElementType.XML_PI_NODE:
retval=new XmlPI(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
case XmlElementType.XML_COMMENT_NODE:
retval=new XmlComment(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
case XmlElementType.XML_DOCUMENT_NODE:
retval=new XmlDoc(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_DOCUMENT_TYPE_NODE:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_DOCUMENT_FRAG_NODE:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_NOTATION_NODE:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_HTML_DOCUMENT_NODE:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_DTD_NODE:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_ELEMENT_DECL:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_ATTRIBUTE_DECL:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_ENTITY_DECL:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_NAMESPACE_DECL:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_XINCLUDE_START:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
/*TODO*/
case XmlElementType.XML_XINCLUDE_END:
retval=new XmlNode(ptr);
XmlNodeCache.Cache(ptr,retval);
return retval;
break;
default:
throw new Exception("Unexpected error !");
}
//we never get here !
return null;
}
internal static bool Cache(IntPtr ptr,XmlNode node)
{
return Native._xmlNodeCache(ptr,node.DataPtr);
}
