StringUtils.h

#ifndef STRINGUTIL_H_
#define STRINGUTIL_H_


#include <iostream>
#include <sstream>
#include <stdio.h>
#include <string>

#include <TObjArray.h>
#include <TObjString.h>
#include <TString.h>


using std::vector;
using std::string;

namespace STR_UTILS
{



static struct IsLonger{
        //longer TString must appear before in a std::sort ordering
        bool operator()(TString s1, TString s2){ return ( s1.Length() > s2.Length() ); }
} CompLengthDecr;

static struct IsShorter{
        //longer TString must appear before in a std::sort ordering
        bool operator()(TString s1, TString s2){ return ( s1.Length() < s2.Length() ); }
} CompLengthIncr;


inline vector<TString> Tokenize(TString line,TString delim){

    vector<TString> list;
    if(line.IsNull() || line.IsWhitespace()) return list;

    const char *delimiters = delim.Data();//":";

    TObjArray* Strings = line.Tokenize(delimiters);

    if(Strings->GetEntriesFast()) {
        TIter iString(Strings);
        TObjString* os=0;
        Int_t j=0;
        while ((os=(TObjString*)iString())) {
            j++;

            //cout<<os->GetString().Data()<<endl;

            list.push_back(os->GetString());
        }
        delete os;
    }

    delete Strings;

    return list;

}


inline vector<string> TokenizeStr(string line,string delim){


    std::vector<TString> TS = Tokenize(TString(line),TString(delim));

    std::vector<string> list;

    for(int i=0; i< TS.size(); ++i){
        //list.push_back( string(TS[i].Data()) );
        list.push_back( string(TS[i]) );
    }

    return list;
}



inline int Duplicates( std::vector<TString> list){

    int N=0;

    for(int i1=0; i1< list.size()-1; ++i1){
        for(int i2=i1+1; i2< list.size();++i2){
            if(list.at(i1)==list.at(i2)) N++;
        }
    }

    return N;
}


inline bool StringIsPresent(std::vector<TString> &list, TString &s){

    for(int i=0;i<list.size();++i){
        if( list.at(i)==s ) return 1;
    }

    return 0;
}


template <typename T>
  string ToString ( T Number )
  {
     std::ostringstream ss;
     ss << Number;
     return ss.str();
  }



template <typename N>
  N ToNumber ( const string &Text )
   {
     std::istringstream ss(Text);
     N result;
     return ss >> result ? result : 0;
   }




inline TString Name(TString str1,TString sep,TString str2="") {

    TString name=str1;

    name+=sep; name+=str2;

    return name;

}

inline TString Name(TString str1,TString sep1,TString str2,TString sep2, TString str3) {

    TString name=Name(str1,sep1,str2);

    name+=sep2; name+=str3;

    return name;

}

inline TString Name(TString str1,TString sep1,TString str2,TString sep2, TString str3, TString sep3, TString str4) {

    TString name=Name(str1,sep1,str2,sep2,str3);

    name+=sep3; name+=str4;


    return name;

}

inline TString SplitLineLabel(TString top, TString bottom){

    TString label = "";

    if(bottom.IsWhitespace()) return top;

    label = Name("#splitline{",top,"}{",bottom,"}");

    return label;
}

inline TString Title(TString tit1,TString sep,TString tit2) {

    TString title=tit1;

    title+=sep; title+=tit2;

    return title;

}

inline TString TitleXYZ(TString tit,TString titx,TString tity="",TString titz="") {


    TString title=tit;

    title+=";"; title+=titx;

    if(!tity.IsWhitespace() ){
        title+=";"; title+=tity;
    }

    if(!titz.IsWhitespace() ){
        title+=";"; title+=titz;
    }


    return title;
}


inline TString AppendToTitleXYZ(TString tit,TString sep, TString tit2) {

    TString str="";

    std::vector<TString> vec=STR_UTILS::Tokenize(tit,";");

    int n=vec.size();

    if(n==0) return tit2;

    if(n>=1){
        str=STR_UTILS::Name(vec.at(0),sep,tit2);
    }


    if(n>=2){
        str=STR_UTILS::TitleXYZ(str,vec.at(1));
    }

    if(n>=3){
        str=STR_UTILS::TitleXYZ(str,vec.at(2));
    }

    if(n>=4){
        str=STR_UTILS::TitleXYZ(str,vec.at(3));
    }

    return str;
}

inline TString PrependToTitleXYZ(TString tit,TString sep, TString tit2) {

    TString str="";

    std::vector<TString> vec=STR_UTILS::Tokenize(tit,";");

    int n=vec.size();

    if(n==0) return tit2;

    if(n>=1){
        str=STR_UTILS::Name(tit2,sep,vec.at(0));
    }


    if(n>=2){
        str=STR_UTILS::TitleXYZ(str,vec.at(1));
    }

    if(n>=3){
        str=STR_UTILS::TitleXYZ(str,vec.at(2));
    }

    if(n>=4){
        str=STR_UTILS::TitleXYZ(str,vec.at(3));
    }

    return str;
}



}


namespace StringUtils = STR_UTILS;

#endif