/**
* Returns the shrared pointer to the function conataining a parameter
* @param ref :: The reference
* @return A function containing parameter pointed to by ref
*/
IFunction_sptr
CompositeFunction::getContainingFunction(const ParameterReference &ref) const {
for (size_t iFun = 0; iFun < nFunctions(); iFun++) {
IFunction_sptr fun = getFunction(iFun);
if (fun->getParameterIndex(ref) < fun->nParams()) {
return fun;
}
}
return IFunction_sptr();
}
/**
* Returns the index of parameter if the ref points to one of the member
* function
* @param ref :: A reference to a parameter
* @return Parameter index or number of nParams() if parameter not found
*/
size_t
CompositeFunction::getParameterIndex(const ParameterReference &ref) const {
if (ref.getLocalFunction() == this && ref.getLocalIndex() < nParams()) {
return ref.getLocalIndex();
}
for (size_t iFun = 0; iFun < nFunctions(); iFun++) {
IFunction_sptr fun = getFunction(iFun);
size_t iLocalIndex = fun->getParameterIndex(ref);
if (iLocalIndex < fun->nParams()) {
return m_paramOffsets[iFun] + iLocalIndex;
}
}
return nParams();
}