private static bool ShouldSet(XmlNode templateNode, ISettingsDictionary dictionary, string name, object newValue, Unifiable oldValue, SubQuery query)
{
if (templateNode == null)
{
return(true);
}
bool canSet = query.UseDictionaryForSet(dictionary);
;
bool onlyIfUnknown;
if (StaticXMLUtils.TryParseBool(templateNode, "ifUnknown", out onlyIfUnknown))
{
if (onlyIfUnknown)
{
return((Unifiable.IsMissing(oldValue) || IsIncomplete(oldValue)) && canSet);
}
}
bool overwriteExisting;
if (StaticXMLUtils.TryParseBool(templateNode, "overwriteExisting", out overwriteExisting))
{
if (!overwriteExisting)
{
return((Unifiable.IsNullOrEmpty(oldValue) || IsIncomplete(oldValue)) && canSet);
}
//if (overwriteExisting)
return(true);
}
string oldMatch = StaticXMLUtils.GetAttribValue(templateNode, "existing", null);
bool shouldSet = true;
if (oldMatch != null)
{
if (!StaticAIMLUtils.IsPredMatch(oldMatch, oldValue, null))
{
shouldSet = false;
}
}
var newValueU = Unifiable.Create(newValue);
string newMatch = StaticXMLUtils.GetAttribValue(templateNode, "matches", null);
if (newMatch != null)
{
if (!StaticAIMLUtils.IsPredMatch(newMatch, newValueU, null))
{
shouldSet = false;
}
}
string wontvalue = StaticXMLUtils.GetAttribValue(templateNode, "wontvalue", null);
if (wontvalue != null)
{
if (StaticAIMLUtils.IsPredMatch(wontvalue, newValueU, null))
{
shouldSet = false;
}
}
return(shouldSet && canSet);
}