---

Analyze.h

Go to the documentation of this file.

// Analyze.h

#ifndef ANALYZE_H
#define ANALYZE_H

#include "analysis/Tuple.h"

#include <iosfwd>

//====================================================================================
class Analyze {
    // base class for analysis. Provides setup for simple analysis of a TupleItem
    // and formating functions for output
public:
    Analyze(std::string name="Generic count") : m_count(0),m_tupleItem(0),m_name(name)
                                                , m_seen(0) {}
    Analyze(const Tuple& t, const std::string& item_name, const std::string& cut_name="");

    Analyze(const TupleItem&  item, const std::string& cut_name="");

    virtual ~Analyze() {}

    bool            operator() () { bool b = apply(); if (b) m_count++; m_seen++; return b; }
    //

    unsigned        count () const { return m_count; }
    unsigned        seen () const { return m_seen; }
    float           item()const{ return * m_tupleItem;}
    const std::string&   name() const { return m_name; }


    void set_name(std::string newname){m_name=newname;}
    void set_tuple_item(const Tuple&t, std::string item_name);

    virtual void    report(std::ostream& out);


    virtual void    clear() {m_count=0;}

    static void     separator(std::ostream& out, char ='-');
    // make a separator line for output
    static std::string   make_label(const std::string&);
    // format a label for tablular output
    static bool     showperc () { return s_showperc; }
    // are percentages shown in readout?
    static void     showperc ( bool s ) { s_showperc = s; }
    // set the show percentages on display flag

private:
    virtual bool    apply() { return true; }
    // default analysis function. Note private, should only be accessed by operator()
    // subclass should make private also.

    unsigned        m_count;        // keep track of success
    const TupleItem*  m_tupleItem;  // the tuple item to analyze or cut.
    std::string     m_name;         // name to describe this

    unsigned        m_seen;         // number of events seen (for making ratios)

    static bool     s_showperc;     // flag to determine whether percentages are shown
};

#endif

---