internal static XmlNode GenerateQueryCAML(QueryFilter query)
{
XmlDocument xmlDocument = new SafeXmlDocument();
XmlNode xmlNode = xmlDocument.CreateElement("Query");
if (query != null)
{
xmlNode.AppendChild(xmlDocument.CreateElement("Where"));
xmlNode.ChildNodes[0].AppendChild(SharepointHelpers.GenerateQueryCAMLHelper(query, xmlDocument, 0));
}
return(xmlNode);
}
private static XmlNode GenerateQueryCAMLHelper(QueryFilter query, XmlDocument xmlDoc, int depth)
{
if (depth >= SharepointHelpers.MaxFilterHierarchyDepth)
{
throw new ArgumentException("filter");
}
XmlNode xmlNode = null;
if (query is AndFilter)
{
AndFilter andFilter = (AndFilter)query;
using (ReadOnlyCollection <QueryFilter> .Enumerator enumerator = andFilter.Filters.GetEnumerator())
{
while (enumerator.MoveNext())
{
QueryFilter query2 = enumerator.Current;
if (xmlNode == null)
{
xmlNode = SharepointHelpers.GenerateQueryCAMLHelper(query2, xmlDoc, depth + 1);
}
else
{
XmlNode newChild = xmlNode;
xmlNode = xmlDoc.CreateElement("And");
xmlNode.AppendChild(newChild);
xmlNode.AppendChild(SharepointHelpers.GenerateQueryCAMLHelper(query2, xmlDoc, depth + 1));
}
}
return(xmlNode);
}
}
if (query is OrFilter)
{
OrFilter orFilter = (OrFilter)query;
using (ReadOnlyCollection <QueryFilter> .Enumerator enumerator2 = orFilter.Filters.GetEnumerator())
{
while (enumerator2.MoveNext())
{
QueryFilter query3 = enumerator2.Current;
if (xmlNode == null)
{
xmlNode = SharepointHelpers.GenerateQueryCAMLHelper(query3, xmlDoc, depth + 1);
}
else
{
XmlNode newChild2 = xmlNode;
xmlNode = xmlDoc.CreateElement("Or");
xmlNode.AppendChild(newChild2);
xmlNode.AppendChild(SharepointHelpers.GenerateQueryCAMLHelper(query3, xmlDoc, depth + 1));
}
}
return(xmlNode);
}
}
if (!(query is ComparisonFilter))
{
throw new NotSupportedException(Strings.ExFilterNotSupported(query.GetType()));
}
ComparisonFilter comparisonFilter = (ComparisonFilter)query;
switch (comparisonFilter.ComparisonOperator)
{
case ComparisonOperator.Equal:
xmlNode = xmlDoc.CreateElement("Eq");
break;
case ComparisonOperator.NotEqual:
xmlNode = xmlDoc.CreateElement("Neq");
break;
case ComparisonOperator.LessThan:
xmlNode = xmlDoc.CreateElement("Lt");
break;
case ComparisonOperator.LessThanOrEqual:
xmlNode = xmlDoc.CreateElement("Leq");
break;
case ComparisonOperator.GreaterThan:
xmlNode = xmlDoc.CreateElement("Gt");
break;
case ComparisonOperator.GreaterThanOrEqual:
xmlNode = xmlDoc.CreateElement("Geq");
break;
default:
throw new InvalidOperationException("Invalid comparison operator");
}
SharepointPropertyDefinition sharepointPropertyDefinition = (SharepointPropertyDefinition)comparisonFilter.Property;
xmlNode.InnerXml = string.Format("<FieldRef Name=\"{0}\" /><Value Type=\"{1}\">{2}</Value>", sharepointPropertyDefinition.SharepointName, sharepointPropertyDefinition.FieldTypeAsString, sharepointPropertyDefinition.ToSharepoint(comparisonFilter.PropertyValue, null));
return(xmlNode);
}