public XmlRpcRequest DeserializeRequest(XmlReader rdr, Type svcType)
{
try
{
XmlRpcRequest request = new XmlRpcRequest();
IEnumerator <Node> iter = new XmlRpcParser().ParseRequest(rdr).GetEnumerator();
iter.MoveNext();
string methodName = (iter.Current as MethodName).Name;
request.method = methodName;
request.mi = null;
ParameterInfo[] pis = null;
if (svcType != null)
{
// retrieve info for the method which handles this XML-RPC method
XmlRpcServiceInfo svcInfo
= XmlRpcServiceInfo.CreateServiceInfo(svcType);
request.mi = svcInfo.GetMethodInfo(request.method);
// if a service type has been specified and we cannot find the requested
// method then we must throw an exception
if (request.mi == null)
{
string msg = String.Format("unsupported method called: {0}",
request.method);
throw new XmlRpcUnsupportedMethodException(msg);
}
// method must be marked with XmlRpcMethod attribute
Attribute attr = Attribute.GetCustomAttribute(request.mi,
typeof(XmlRpcMethodAttribute));
if (attr == null)
{
throw new XmlRpcMethodAttributeException(
"Method must be marked with the XmlRpcMethod attribute.");
}
pis = request.mi.GetParameters();
}
bool gotParams = iter.MoveNext();
if (!gotParams)
{
if (svcType != null)
{
if (pis.Length == 0)
{
request.args = new object[0];
return(request);
}
else
{
throw new XmlRpcInvalidParametersException(
"Method takes parameters and params element is missing.");
}
}
else
{
request.args = new object[0];
return(request);
}
}
int paramsPos = pis != null?GetParamsPos(pis) : -1;
Type paramsType = null;
if (paramsPos != -1)
{
paramsType = pis[paramsPos].ParameterType.GetElementType();
}
int minParamCount = pis == null ? int.MaxValue
: (paramsPos == -1 ? pis.Length : paramsPos);
MappingStack mappingStack = new MappingStack("request");
MappingAction mappingAction = MappingAction.Error;
var objs = new List <object>();
var paramsObjs = new List <object>();
int paramCount = 0;
while (iter.MoveNext())
{
paramCount++;
if (svcType != null && paramCount > minParamCount && paramsPos == -1)
{
throw new XmlRpcInvalidParametersException(
"Request contains too many param elements based on method signature.");
}
if (paramCount <= minParamCount)
{
if (svcType != null)
{
mappingStack.Push(String.Format("parameter {0}", paramCount));
// TODO: why following commented out?
// parseStack.Push(String.Format("parameter {0} mapped to type {1}",
// i, pis[i].ParameterType.Name));
var obj = MapValueNode(iter,
pis[paramCount - 1].ParameterType, mappingStack, mappingAction);
objs.Add(obj);
}
else
{
mappingStack.Push(String.Format("parameter {0}", paramCount));
var obj = MapValueNode(iter, null, mappingStack, mappingAction);
objs.Add(obj);
}
mappingStack.Pop();
}
else
{
mappingStack.Push(String.Format("parameter {0}", paramCount + 1));
var paramsObj = MapValueNode(iter, paramsType, mappingStack, mappingAction);
paramsObjs.Add(paramsObj);
mappingStack.Pop();
}
}
if (svcType != null && paramCount < minParamCount)
{
throw new XmlRpcInvalidParametersException(
"Request contains too few param elements based on method signature.");
}
if (paramsPos != -1)
{
Object[] args = new Object[1];
args[0] = paramCount - minParamCount;
Array varargs = (Array)Activator.CreateInstance(pis[paramsPos].ParameterType, args);
for (int i = 0; i < paramsObjs.Count; i++)
{
varargs.SetValue(paramsObjs[i], i);
}
objs.Add(varargs);
}
request.args = objs.ToArray();
return(request);
}
catch (XmlException ex)
{
throw new XmlRpcIllFormedXmlException("Request contains invalid XML", ex);
}
}
