/// <summary>
/// Creates a member entry for a member specified in the IDL. A SinTDType object of respective type is
/// retrieved from the SinTD or created for map or array typed members. Registers the member to the
/// struct's members under the name given in the IDL
/// </summary>
/// <param name="memberDefinition">IDL entry defining type and name of the member</param>
/// <param name="createdStruct">Struct that is created during the currrent parsing process</param>
internal void createSinTDTypeForMember(string memberDefinition, SinTDStruct createdStruct)
{
if (!memberDefinition.Contains(';'))
{
return;
}
// Removes semicolon and comments at the end of line
memberDefinition = memberDefinition.Trim().Split(';')[0];
// TODO:
// Consider additional spaces that may occur after comma of map definitions
string[] memberComponents;
string memberType;
string memberName;
if (!(memberDefinition.Contains("array") || memberDefinition.Contains("map")))
{
memberComponents = memberDefinition.Split(' ');
memberType = memberComponents[0];
memberName = memberComponents[1];
}
else
{
memberDefinition = Regex.Replace(memberDefinition, @"\s+", "");
int closingBracket = memberDefinition.IndexOf('>') + 1;
memberType = memberDefinition.Substring(0, closingBracket);
memberName = memberDefinition.Substring(closingBracket, memberDefinition.Length - closingBracket);
}
SinTDType typeObject = getTypeForMember(memberType);
createdStruct.members.Add(memberName, typeObject);
}
/// <summary>
/// Generates a client function for the <paramref name="funcName"/>. Optional <paramref name="typeMapping"/> string
/// may be used to specify data omission and reordering options.
/// </summary>
/// <returns>The generated client function.</returns>
/// <param name="serviceName">Service that contains the wrapped function.</param>
/// <param name="functionName">Name of the function that should be wrapped.</param>
public virtual ClientFunction GenerateClientFunction(string serviceName, string functionName)
{
if (!SinTD.SINFONIServices.ContainsService(serviceName))
{
throw new ServiceNotRegisteredException(serviceName);
}
var service = SinTD.SINFONIServices.GetService(serviceName);
if (!service.ContainsServiceFunction(functionName))
{
throw new ServiceNotRegisteredException(functionName);
}
return((ClientFunction) delegate(object[] parameters)
{
SINFONIService registeredService = SinTD.SINFONIServices.GetService(serviceName);
ServiceFunctionDescription registeredServiceFunction = registeredService.GetServiceFunction(functionName);
if (!registeredServiceFunction.CanBeCalledWithParameters(parameters))
{
throw new ParameterMismatchException(
"Could not call Service Function " + serviceName + "." + functionName
+ ". The provided parameters can not be mapped to the parameters specified in the IDL.");
}
object[] callParameters = new object[parameters.Length];
for (var i = 0; i < parameters.Length; i++)
{
SinTDType expectedParameterType = registeredServiceFunction.Parameters.ElementAt(i).Value;
callParameters[i] = expectedParameterType.AssignValuesFromObject(parameters[i]);
}
return CallClientFunction(serviceName + "." + functionName, callParameters);
});
}
private object[] ConvertParameters(string methodName, List <object> args, List <int> callbacks, List <ParameterInfo> paramInfo)
{
object[] parameters = new object[paramInfo.Count];
// Special handling for the first parameter if it's of type Connection.
if (paramInfo.Count > 0 && paramInfo[0].ParameterType.Equals(typeof(Connection)))
{
parameters[0] = this;
var otherParams = ConvertParameters(methodName, args, callbacks, paramInfo.GetRange(1, paramInfo.Count - 1));
otherParams.CopyTo(parameters, 1);
return(parameters);
}
if (paramInfo.Count != args.Count)
{
throw new Exception("Incorrect number of arguments for a method. Expected: " +
paramInfo.Count + ". Received: " + args.Count);
}
for (int i = 0; i < args.Count; i++)
{
// TODO: Handling of callbacks will change in the future and callbacks should be derived from the IDL.
// Callbacks should not be transmitted as extra list, as it is unclear how list is treated in some protocols
if (callbacks != null && callbacks.Contains(i))
{
if (paramInfo[i].ParameterType == typeof(ClientFunction))
{
parameters[i] = CreateFuncWrapperDelegate((string)args[i]);
}
else if (typeof(Delegate).IsAssignableFrom(paramInfo[i].ParameterType))
{
parameters[i] = CreateCustomDelegate((string)args[i], paramInfo[i].ParameterType);
}
else
{
throw new Exception("Parameter " + i + " is neither a delegate nor a FuncWrapper. " +
"Cannot pass callback method in its place");
}
}
else
{
// Super Evil Hack! See other super evil hack comment above
if (SinTD == null)
{
parameters[i] = Convert.ChangeType(args[i], paramInfo[i].ParameterType);
}
else
{
string[] service = methodName.Split('.');
SinTDType idlParameter = SinTD.SINFONIServices.GetService(service[0])
.GetServiceFunction(service[1]).Parameters.ElementAt(i).Value;
parameters[i] = idlParameter.AssignValuesToNativeType(args[i], paramInfo[i].ParameterType);
}
}
}
return(parameters);
}
/// <summary>
/// Creates a SinTDTyped object and stores it under the name specified in the IDL for the corresponding parameter.
/// The created Parameter is added to the list of parameters for the currently parsed service function object.
/// </summary>
/// <param name="param">String defining name and type of the parameter</param>
/// <param name="functionDescription">Service Function object to which the parameter should be added</param>
private void createParameterForServiceFunction(string param, ServiceFunctionDescription functionDescription)
{
string[] values = splitDeclarationInNameAndType(param);
SinTDType paramType = getSinTDType(values[0].Trim());
string paramName = values[1].Trim();
functionDescription.Parameters.Add(paramName, paramType);
}
/// <summary>
/// Converts the <paramref name="result"/> into <paramref name="type"/>.
/// </summary>
/// <returns>The converted result.</returns>
/// <param name="result">Result.</param>
/// <param name="type">Type to which the result must be converted.</param>
protected object ConvertResult(object result, Type type)
{
SinTDType idlReturnType = CallingConnection.SinTD.SINFONIServices
.GetService(ServiceName)
.GetServiceFunction(FunctionName)
.ReturnType;
var convertedResult = idlReturnType.AssignValuesToNativeType(result, type);
return(convertedResult);
}
/// <summary>
/// Registers a new Type to the SinTD. The type object that is used for registration must contain a
/// valid name (not null, not registered before). Otherwise, SinTD will throw an exception.
/// </summary>
/// <param name="type">New type that should be registered to the SinTD</param>
public void RegisterType(SinTDType type)
{
if (type.Name == null ||
type.Name.Length == 0)
{
throw new InvalidTypeNameException();
}
if (registeredTypes.ContainsKey(type.Name))
{
throw new TypeNameConflictException(type.Name);
}
registeredTypes.Add(type.Name, type);
}
private object getFieldValueForSinTDInstance(object other, string fieldName, SinTDType SinTDType)
{
var assignedValue = other;
var otherField = other.GetType().GetField(fieldName);
if (otherField == null)
{
var property = other.GetType().GetProperty(fieldName);
assignedValue = SinTDType.AssignValuesFromObject(property.GetValue(other, null));
}
else
{
assignedValue = SinTDType.AssignValuesFromObject(otherField.GetValue(other));
}
return(assignedValue);
}
/// <summary>
/// Creates a new service function definition from an entry in the IDL. Reads type and name of the service
/// function and creates a respective object from these
/// </summary>
/// <param name="nameAndType">Content of IDL defining name and type of a service function</param>
/// <returns>ServiceFunction object with corresponding name and type</returns>
private ServiceFunctionDescription createTypedServiceFunction(string nameAndType)
{
string[] values = splitDeclarationInNameAndType(nameAndType);
SinTDType returnType;
if (values[0].Trim() == "void")
{
returnType = new SinTDType("void");
}
else
{
returnType = getSinTDType(values[0].Trim());
}
return(new ServiceFunctionDescription(values[1], returnType));
}
/// <summary>
/// Retrieves the respective SinTD Type for a member type that is specified by its name in the IDL. Creates an
/// Array or Map for array or map typed objects and queries the respective type from the SinTD otherwise.
/// </summary>
/// <param name="memberType">Name of the member type as given in the IDL</param>
/// <returns>SinTD Type object with the given name</returns>
private SinTDType getTypeForMember(string memberType)
{
SinTDType typeObject = new SinTDType();
if (memberIsArray(memberType))
{
typeObject = ArrayParser.Instance.ParseArray(memberType);
}
else if (memberIsMap(memberType))
{
typeObject = MapParser.Instance.ParseMap(memberType);
}
else
{
typeObject = IDLParser.Instance.CurrentlyParsedSinTD.GetSinTDType(memberType);
}
return(typeObject);
}
/// <summary>
/// Retrieves the respective SinTD Type for a member type that is specified by its name in the IDL. Creates an
/// Array or Map for array or map typed objects and queries the respective type from the SinTD otherwise.
/// </summary>
/// <param name="memberType">Name of the member type as given in the IDL</param>
/// <returns>SinTD Type object with the given name</returns>
private SinTDType getTypeForMember(string memberType)
{
SinTDType typeObject = new SinTDType();
if (memberIsArray(memberType))
{
typeObject = ArrayParser.Instance.ParseArray(memberType);
}
else if (memberIsMap(memberType))
{
typeObject = MapParser.Instance.ParseMap(memberType);
}
else
{
typeObject = IDLParser.Instance.CurrentlyParsedSinTD.GetSinTDType(memberType);
}
return typeObject;
}
private object getFieldValueForSinTDInstance(object other, string fieldName, SinTDType SinTDType)
{
var assignedValue = other;
var otherField = other.GetType().GetField(fieldName);
if (otherField == null)
{
var property = other.GetType().GetProperty(fieldName);
assignedValue = SinTDType.AssignValuesFromObject(property.GetValue(other, null));
}
else
{
assignedValue = SinTDType.AssignValuesFromObject(otherField.GetValue(other));
}
return assignedValue;
}
/// <summary>
/// Registers a new Type to the SinTD. The type object that is used for registration must contain a
/// valid name (not null, not registered before). Otherwise, SinTD will throw an exception.
/// </summary>
/// <param name="type">New type that should be registered to the SinTD</param>
public void RegisterType(SinTDType type)
{
if(type.Name == null
|| type.Name.Length == 0)
throw new InvalidTypeNameException();
if (registeredTypes.ContainsKey(type.Name))
throw new TypeNameConflictException(type.Name);
registeredTypes.Add(type.Name, type);
}
internal ServiceFunctionDescription(string name, SinTDType returnType)
{
Name = name;
ReturnType = returnType;
}
public SinTDMap(SinTDType key, SinTDType element)
{
keyType = key;
elementType = element;
}
public void Setup()
{
SinTDInstance = new SinTD();
SinTDInstance.SINFONIServices = new ServiceRegistry();
i32 = SinTDInstance.GetSinTDType("i32");
SinTD_string = SinTDInstance.GetSinTDType("string");
intStruct = new SinTDStruct("intStruct");
intStruct.members["x"] = i32;
intStruct.members["y"] = i32;
serviceFunction = new ServiceFunctionDescription("function", new SinTDType("void"));
serviceFunction.Parameters.Add("intParameter", i32);
serviceFunction.Parameters.Add("stringParameter", SinTD_string);
service = new SINFONIService("service");
service.serviceFunctions.Add("function", serviceFunction);
SinTDInstance.SINFONIServices.services.Add("service", service);
connection = new TestConnection();
connection.SinTD = SinTDInstance;
}
/// <summary>
/// Creates a new service function definition from an entry in the IDL. Reads type and name of the service
/// function and creates a respective object from these
/// </summary>
/// <param name="nameAndType">Content of IDL defining name and type of a service function</param>
/// <returns>ServiceFunction object with corresponding name and type</returns>
private ServiceFunctionDescription createTypedServiceFunction(string nameAndType)
{
string[] values = splitDeclarationInNameAndType(nameAndType);
SinTDType returnType;
if (values[0].Trim() == "void")
returnType = new SinTDType("void");
else
returnType = getSinTDType(values[0].Trim());
return new ServiceFunctionDescription(values[1], returnType);
}
public void TestSetUp()
{
i32 = SinTDInstance.GetSinTDType("i32");
SinTDString = SinTDInstance.GetSinTDType("string");
SinTDBool = SinTDInstance.GetSinTDType("boolean");
intStruct = new SinTDStruct("intStruct");
intStruct.members["x"] = i32;
intStruct.members["y"] = i32;
aStruct = new SinTDStruct("arrayStruct");
aStruct.members.Add("arr", new SinTDArray(i32));
SinTDInstance.RegisterType(aStruct);
mStruct = new SinTDStruct("mapStruct");
mStruct.members.Add("map", new SinTDMap(SinTDString, SinTDBool));
SinTDInstance.RegisterType(mStruct);
sStruct = new SinTDStruct("structStruct");
sStruct.members.Add("child", intStruct);
SinTDInstance.RegisterType(sStruct);
SinTDInstance = new SinTD();
}
public SinTDArray(SinTDType type)
{
elementType = type;
}
internal ServiceFunctionDescription(string name, SinTDType returnType)
{
Name = name;
ReturnType = returnType;
}