internal AttributeAction GetAttributeAction(string ns, string localName, FileFormatVersions format)
{
if (format == (FileFormatVersions.Office2010 | FileFormatVersions.Office2007) || format.All())
{
return(AttributeAction.Normal);
}
if (string.IsNullOrEmpty(ns))
{
return(AttributeAction.Normal);
}
if (NamespaceIdMap.IsInFileFormat(ns, format))
{
return(AttributeAction.Normal);
}
if (!IsIgnorableNs(ns))
{
return(AttributeAction.Normal);
}
if (IsPreservedAttribute(ns, localName))
{
return(AttributeAction.Normal);
}
return(AttributeAction.Ignore);
}
internal OpenXmlCompositeElement GetContentFromACBlock(AlternateContent acblk, FileFormatVersions format)
{
Debug.Assert(format != (FileFormatVersions.Office2007 | FileFormatVersions.Office2010 | FileFormatVersions.Office2013));
foreach (var choice in acblk.ChildElements.OfType <AlternateContentChoice>())
{
if (choice.Requires == null)
{
//should we throw exception here?
continue;
}
string reqs = choice.Requires.InnerText.Trim();
if (string.IsNullOrEmpty(reqs))
{
//should we throw exception here?
continue;
}
bool chooce = true;
foreach (var req in reqs.Split(new char[] { ' ' }))
{
//fix bug 537858
//the LookupNamespaceDeleget is from xmlReader
//bug when we try to GetContentFromACBlock, the reader has already moved to the next element of ACB
//so we should use the element's LookupNamespace function to find it
//string ns = LookupNamespaceDelegate(req);
string ns = choice.LookupNamespace(req);
if (ns == null)
{
if (this._noExceptionOnError)
{
chooce = false;
break;
}
else
{
var msg = String.Format(System.Globalization.CultureInfo.CurrentUICulture, ExceptionMessages.UnknowMCContent, req);
throw new InvalidMCContentException(msg);
}
}
if (!NamespaceIdMap.IsInFileFormat(ns, format))
{
chooce = false;
break;
}
}
if (chooce)
{
return(choice);
}
}
var fallback = acblk.GetFirstChild <AlternateContentFallback>();
if (fallback != null)
{
return(fallback);
}
return(null);
}