DetectorFile.h

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#include "isiscrpt.h"

//DETECTOR.DAT generated by CREATE_DETECTOR_FILE   ndet nuse (phi is first nuse)
//  165891      14
//  det no.  offset    l2     code     theta        phi         w_x         w_y         w_z         f_x         f_y         f_z         a_x         a_y         a_z        det_1       det_2       det_3       det4
//  1000001   0.000  -3.04500     1   180.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000          0.
//  1000002   0.000  -1.69500     1   180.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000          0.
//  1000003   0.000   8.35000     1     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000          0.
//  1000004   0.000   6.00000     1     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000     0.00000          0.

struct DETECTOR
{
    float offset;
        float l2;
        int code;
        float theta;
        float ut[ISISCRPT_MAX_USER];
        DETECTOR() : offset(0.0), l2(0.0), code(0), theta(0.0) { memset(ut, 0, ISISCRPT_MAX_USER*sizeof(float)); }
};

struct IDetectorFile
{
        virtual bool good() const = 0;
        virtual int numLines() const = 0;
        virtual int numUserTables() const = 0;
        virtual void readLine(int& det_no, DETECTOR& det) = 0;
        virtual ~IDetectorFile() { }
};

class DetectorFileASCII : public IDetectorFile, ISIS::Base
{
private:
        int m_nlines;
        int m_nuse;
        std::ifstream m_file;

public:
        DetectorFileASCII(const char* filename);
        void readLine(int& det_no, DETECTOR& det);
        bool good() const { return m_file.good(); }

        int numLines() const { return m_nlines; }
        int numUserTables() const { return m_nuse; }
        ~DetectorFileASCII() 
        { 
                m_file.close(); 
        }
};

namespace NeXus
{
        class File;
};

class DetectorFileMantid : public IDetectorFile, ISIS::Base
{
private:
        int m_nlines;
        int m_current_line;
        int m_nuse;
        bool m_good;
        NeXus::File* m_file;
        std::vector<double> m_azimuthal_angle;
        std::vector<double> m_polar_angle;
        std::vector<double> m_distance;
        std::vector<int32_t> m_detector_number;
        std::string m_instrument_name;
        std::string m_instrument_xml;
        std::string m_instrument_xml_file_name;
        std::string m_instrument_parameter_map;
        std::string m_instrument_parameter_map_file_name;

        template<typename T>
                void getItem(const std::string& name, std::vector<T>& value);
        template <typename T>
                void getItem(const std::string& name, T& value);
        template <>
                void DetectorFileMantid::getItem(const std::string& name, std::string& value);


public:
        DetectorFileMantid(const char* filename);
        void readLine(int& det_no, DETECTOR& det);
        bool good() const { return m_good; }
        int numLines() const { return m_nlines; }
        int numUserTables() const { return m_nuse; }
        const std::string& instName() const { return m_instrument_name; }
        const std::string& instXMLFileName() const { return m_instrument_xml_file_name; }
        const std::string& instXML() const { return m_instrument_xml; }
        const std::string& instParameterMapFileName() const { return m_instrument_parameter_map_file_name; }
        const std::string& instParameterMap() const { return m_instrument_parameter_map; }
        ~DetectorFileMantid();
};