// need to compare the typestring
bool isParameterRightType(const char* passedType, const char* expectedType, const char* methodNamespacePrefix, bool tryReverse)
{
if (strcmp(expectedType,passedType) == 0)
return true;
// well now things are a bit more complicated. We need to see if the passed type
// is a subset of the overall type
std::string et(expectedType);
bool isPointer = (et[0] == 'p' && et[1] == '.');
std::string baseType(et,(isPointer ? 2 : 0)); // this may contain a namespace
std::string ns(methodNamespacePrefix);
// cut off trailing '::'
if (ns.size() > 2 && ns[ns.size() - 1] == ':' && ns[ns.size() - 2] == ':')
ns = ns.substr(0,ns.size()-2);
bool done = false;
while(! done)
{
done = true;
// now we need to see if the expected type can be munged
// into the passed type by tacking on the namespace of
// of the method.
std::string check(isPointer ? "p." : "");
check += ns;
check += "::";
check += baseType;
if (strcmp(check.c_str(),passedType) == 0)
return true;
// see if the namespace is nested.
int posOfScopeOp = ns.find("::");
if (posOfScopeOp >= 0)
{
done = false;
// cur off the outermost namespace
ns = ns.substr(posOfScopeOp + 2);
}
}
// so far we applied the namespace to the expected type. Now lets try
// the reverse if we haven't already.
if (tryReverse)
return isParameterRightType(expectedType, passedType, methodNamespacePrefix, false);
return false;
}
void* doretrieveApiInstance(const PyHolder* pythonType, const TypeInfo* typeInfo, const char* expectedType,
const char* methodNamespacePrefix, const char* methodNameForErrorString) throw (WrongTypeException)
{
if (pythonType == NULL || pythonType->magicNumber != XBMC_PYTHON_TYPE_MAGIC_NUMBER)
throw WrongTypeException("Non api type passed in place of the expected type \"%s.\"",expectedType);
if (!isParameterRightType(typeInfo->swigType,expectedType,methodNamespacePrefix))
{
// maybe it's a child class
if (typeInfo->parentType)
return doretrieveApiInstance(pythonType, typeInfo->parentType,expectedType,
methodNamespacePrefix, methodNameForErrorString);
else
throw WrongTypeException("Incorrect type passed to \"%s\", was expecting a \"%s\" but received a \"%s\"",
methodNameForErrorString,expectedType,typeInfo->swigType);
}
return ((PyHolder*)pythonType)->pSelf;
}
