private static T OnStack <T>(string p, MappingStack mappingStack, Func <T> func)
{
mappingStack.Push(p);
try {
return(func());
}
finally {
mappingStack.Pop();
}
}
protected object MapHashtable(
IEnumerator <Node> iter,
MappingStack mappingStack,
MappingAction mappingAction,
out Type mappedType)
{
mappedType = null;
var retObj = new XmlRpcStruct();
mappingStack.Push("struct mapped to XmlRpcStruct");
try {
while (iter.MoveNext() && iter.Current is StructMember)
{
var rpcName = ((StructMember)iter.Current).Value;
if (retObj.ContainsKey(rpcName) && !IgnoreDuplicateMembers)
{
throw new XmlRpcInvalidXmlRpcException(
mappingStack.MappingType + " contains struct value with duplicate member " + rpcName + " "
+ StackDump(mappingStack));
}
iter.MoveNext();
var value = OnStack(
string.Format("member {0}", rpcName),
mappingStack,
() => MapValueNode(iter, null, mappingStack, mappingAction));
if (!retObj.ContainsKey(rpcName))
{
retObj[rpcName] = value;
}
}
}
finally {
mappingStack.Pop();
}
return(retObj);
}
private object MapArray(IEnumerator <Node> iter, Type valType,
MappingStack mappingStack, MappingAction mappingAction,
out Type mappedType)
{
mappedType = null;
// required type must be an array
if (valType != null &&
!(valType.IsArray == true ||
valType == typeof(Array) ||
valType == typeof(object)))
{
throw new XmlRpcTypeMismatchException(mappingStack.MappingType
+ " contains array value where "
+ XmlRpcTypeInfo.GetXmlRpcTypeString(valType)
+ " expected " + StackDump(mappingStack));
}
if (valType != null)
{
XmlRpcType xmlRpcType = XmlRpcTypeInfo.GetXmlRpcType(valType);
if (xmlRpcType == XmlRpcType.tMultiDimArray)
{
mappingStack.Push("array mapped to type " + valType.Name);
Object ret = MapMultiDimArray(iter, valType, mappingStack,
mappingAction);
return(ret);
}
mappingStack.Push("array mapped to type " + valType.Name);
}
else
{
mappingStack.Push("array");
}
var values = new List <object>();
Type elemType = DetermineArrayItemType(valType);
bool bGotType = false;
Type useType = null;
while (iter.MoveNext() && iter.Current is ValueNode)
{
mappingStack.Push(String.Format("element {0}", values.Count));
object value = MapValueNode(iter, elemType, mappingStack, mappingAction);
values.Add(value);
mappingStack.Pop();
}
foreach (object value in values)
{
if (value == null)
{
continue;
}
if (bGotType == false)
{
useType = value.GetType();
bGotType = true;
}
else
{
if (useType != value.GetType())
{
useType = null;
}
}
}
Object[] args = new Object[1];
args[0] = values.Count;
Object retObj = null;
if (valType != null &&
valType != typeof(Array) &&
valType != typeof(object))
{
retObj = CreateArrayInstance(valType, args);
}
else
{
if (useType == null)
{
retObj = CreateArrayInstance(typeof(object[]), args);
}
else
{
retObj = Array.CreateInstance(useType, (int)args[0]);
};
}
for (int j = 0; j < values.Count; j++)
{
((Array)retObj).SetValue(values[j], j);
}
mappingStack.Pop();
return(retObj);
}
private object MapStruct(IEnumerator <Node> iter, Type valueType, MappingStack mappingStack,
MappingAction mappingAction, out Type mappedType)
{
mappedType = null;
if (valueType.IsPrimitive)
{
throw new XmlRpcTypeMismatchException(mappingStack.MappingType
+ " contains struct value where "
+ XmlRpcTypeInfo.GetXmlRpcTypeString(valueType)
+ " expected " + StackDump(mappingStack));
}
if (valueType.IsGenericType &&
valueType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
valueType = valueType.GetGenericArguments()[0];
}
object retObj;
try
{
retObj = Activator.CreateInstance(valueType);
}
catch (Exception)
{
throw new XmlRpcTypeMismatchException(mappingStack.MappingType
+ " contains struct value where "
+ XmlRpcTypeInfo.GetXmlRpcTypeString(valueType)
+ " expected (as type " + valueType.Name + ") "
+ StackDump(mappingStack));
}
// Note: mapping action on a struct is only applied locally - it
// does not override the global mapping action when members of the
// struct are mapped
MappingAction localAction = mappingAction;
if (valueType != null)
{
mappingStack.Push("struct mapped to type " + valueType.Name);
localAction = StructMappingAction(valueType, mappingAction);
}
else
{
mappingStack.Push("struct");
}
// create map of field names and remove each name from it as
// processed so we can determine which fields are missing
var names = new List <string>();
CreateFieldNamesMap(valueType, names);
int fieldCount = 0;
List <string> rpcNames = new List <string>();
try
{
while (iter.MoveNext())
{
if (!(iter.Current is StructMember))
{
break;
}
string rpcName = (iter.Current as StructMember).Value;
if (rpcNames.Contains(rpcName))
{
if (!IgnoreDuplicateMembers)
{
throw new XmlRpcInvalidXmlRpcException(mappingStack.MappingType
+ " contains struct value with duplicate member "
+ rpcName
+ " " + StackDump(mappingStack));
}
else
{
continue;
}
}
else
{
rpcNames.Add(rpcName);
}
string name = GetStructName(valueType, rpcName) ?? rpcName;
MemberInfo mi = valueType.GetField(name);
if (mi == null)
{
mi = valueType.GetProperty(name);
}
if (mi == null)
{
iter.MoveNext(); // move to value
if (iter.Current is ComplexValueNode)
{
int depth = iter.Current.Depth;
while (!(iter.Current is EndComplexValueNode && iter.Current.Depth == depth))
{
iter.MoveNext();
}
}
continue;
}
if (names.Contains(name))
{
names.Remove(name);
}
else
{
if (Attribute.IsDefined(mi, typeof(NonSerializedAttribute)))
{
mappingStack.Push(String.Format("member {0}", name));
throw new XmlRpcNonSerializedMember("Cannot map XML-RPC struct "
+ "member onto member marked as [NonSerialized]: "
+ " " + StackDump(mappingStack));
}
}
Type memberType = mi.MemberType == MemberTypes.Field
? (mi as FieldInfo).FieldType : (mi as PropertyInfo).PropertyType;
string mappingMsg = valueType == null
? String.Format("member {0}", name)
: String.Format("member {0} mapped to type {1}", name, memberType.Name);
iter.MoveNext();
object valObj = OnStack(mappingMsg, mappingStack, delegate()
{
return(MapValueNode(iter, memberType, mappingStack, mappingAction));
});
if (mi.MemberType == MemberTypes.Field)
{
try
{
(mi as FieldInfo).SetValue(retObj, valObj);
}
catch
{
(mi as FieldInfo).SetValue(retObj, Enum.Parse((mi as FieldInfo).FieldType, (string)valObj, true));
}
}
else
{
(mi as PropertyInfo).SetValue(retObj, valObj, null);
}
fieldCount++;
}
if (localAction == MappingAction.Error && names.Count > 0)
{
ReportMissingMembers(valueType, names, mappingStack);
}
return(retObj);
}
finally
{
mappingStack.Pop();
}
}
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);
}
}
