Helpers.h

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#ifndef _Helpers
#define _Helpers
 
#include <TSystemDirectory.h>
#include <TList.h>
#include <TObjString.h>
#include <TCanvas.h>
#include <TH1.h>
#include <TMath.h>
 
#include <iostream>
#include <sstream>
#include <vector>
#include <algorithm>
 
using namespace std;
 
class Helpers {
public:
    // find data files
    static string ListFiles(const char*, const char*);
    
    // progress bar
    static void PrintProgressBar(int, int);
 
    // use in loop, skips some poorly visible root colors (like white on white)
    static int rcolor(unsigned int);
 
    // set consistent ranges
    static void SetRangeCanvas(TCanvas*&, double, double, double = -999, double = -999);
    // check if user input makes sense
    static void filterChannelUserInput(vector<int>&, const vector<int>);
    // split canvas into pads to display all active channels on one canvas
    static void SplitCanvas(TCanvas*&, vector<int>, vector<int>);
 
    // get y values of a histogram
    template <typename HistType>
    static double* gety(HistType* his);
 
    // get y values of a histogram for a dedicated x range
    template <typename HistType>
    static double* gety(HistType*, int, int);
    static double* gety(const vector<float>&, int, int);
 
    // shift a TH1 in x
    template <typename HistType>
    static void ShiftTH1(HistType*&, int);
 
    template<typename T>
    static bool Contains(const vector<T>& vec, const T& val) {
        return find(vec.begin(), vec.end(), val) != vec.end();
    }
};
#endif