item_struct.h

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#ifndef ITEM_STRUCT_H
#define ITEM_STRUCT_H

class DAEstatus;

template<typename T>
class item_struct
{
public:
        struct item_t
        {
                const T* value;
                bool det_average;       // can be averaged over detectors via m_spec_array
                const int* dim0;
                const int* dim1;
                item_t(const T* v, bool da, const int* d0, const int* d1) : value(v), det_average(da), dim0(d0), dim1(d1) {}
        };

private:
        typedef std::map<std::string, item_t> items_map_t;
        items_map_t m_items;
        unsigned long* m_spec_array; // length m_ndet; used for averaging values with det_average
        long m_ndet;
public:

        int addItem(const std::string& name, const T* value, bool det_average = false, const int* dim0 = NULL, const int* dim1 = NULL)
        {
                std::pair<items_map_t::iterator, bool> insert_ret;
                insert_ret = m_items.insert(items_map_t::value_type(name, item_t(value, det_average, dim0, dim1)));
                if (!insert_ret.second)
                {
                        return -1;   // duplicate
                }
                else
                {
                        return 0;
                }
        }

        const item_t* findItem(const std::string& item_name, bool det_average)
        {
                items_map_t::const_iterator iter;
                iter = m_items.find(item_name);
                if ( (iter != m_items.end()) && (iter->second.det_average == det_average) )
                {
                        return &(iter->second);
                }
                else
                {
                        return NULL
                }
        }

        int getItem(const std::string& item_name, T& value, DAEstatus& status);
        int getItem(const std::string& item_name, long* spec_array, int nspec, T* lVal, DAEstatus& status);
        int getArrayItemSize(const std::string& item_name, int* dims_array, int& ndims, DAEstatus& status);
        int getArrayItem(const std::string& item_name, long* spec_array, int nspec, T* larray, DAEstatus& status);
        int getArrayItem(const std::string& item_name, T* larray, DAEstatus& status);
};

#endif /* ITEM_STRUCT_H */