private 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, Type valType, 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)
{
string rpcName = (iter.Current as StructMember).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($"member {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);
return(MapMultiDimArray(iter, valType, mappingStack, mappingAction));
}
mappingStack.Push("array mapped to type " + valType.Name);
}
else
{
mappingStack.Push("array");
}
var values = new List <object>();
var elemType = DetermineArrayItemType(valType);
while (iter.MoveNext() && iter.Current is ValueNode)
{
mappingStack.Push(string.Format("element {0}", values.Count));
var value = MapValueNode(iter, elemType, mappingStack, mappingAction);
values.Add(value);
mappingStack.Pop();
}
var bGotType = false;
Type useType = null;
foreach (object value in values)
{
if (value == null)
{
continue;
}
if (bGotType)
{
if (useType != value.GetType())
{
useType = null;
}
continue;
}
useType = value.GetType();
bGotType = true;
}
var 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
var 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);
var fieldCount = 0;
var rpcNames = new List <string>();
try
{
while (iter.MoveNext())
{
if (!(iter.Current is StructMember))
{
break;
}
var rpcName = (iter.Current as StructMember).Value;
if (rpcNames.Contains(rpcName))
{
if (!IgnoreDuplicateMembers)
{
throw new XmlRpcInvalidXmlRpcException(mappingStack.MappingType
+ $" contains struct value with duplicate member {rpcName} {StackDump(mappingStack)}");
}
continue;
}
rpcNames.Add(rpcName);
var name = GetStructName(valueType, rpcName) ?? rpcName;
MemberInfo mi = valueType.GetField(name);
if (mi == null)
{
mi = valueType.GetProperty(name);
}
if (mi == null)
{
iter.MoveNext(); // move to value
if (iter.Current is ComplexValueNode)
{
int depth = iter.Current.Depth;
while (!(iter.Current is EndComplexValueNode && iter.Current.Depth == depth))
{
iter.MoveNext();
}
}
continue;
}
if (names.Contains(name))
{
names.Remove(name);
}
else
{
if (Attribute.IsDefined(mi, typeof(NonSerializedAttribute)))
{
mappingStack.Push($"member {name}");
throw new XmlRpcNonSerializedMember("Cannot map XML-RPC struct member onto member marked as [NonSerialized]: " + StackDump(mappingStack));
}
}
var memberType = mi.MemberType == MemberTypes.Field ? (mi as FieldInfo).FieldType : (mi as PropertyInfo).PropertyType;
var mappingMsg = valueType == null
? $"member {name}"
: $"member {name} mapped to type {memberType.Name}";
iter.MoveNext();
var valObj = OnStack(mappingMsg, mappingStack, () => MapValueNode(iter, memberType, mappingStack, mappingAction));
if (mi.MemberType == MemberTypes.Field)
{
(mi as FieldInfo).SetValue(retObj, valObj);
}
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();
}
}
