/data/refman/pasoursint/CMSSW_5_3_10/src/DQM/CSCMonitorModule/interface/CSCDQM_Utility.h

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/*
 * =====================================================================================
 *
 *       Filename:  CSCDQM_Utility.h
 *
 *    Description:  CSC Utilities class
 *
 *        Version:  1.0
 *        Created:  10/30/2008 04:40:38 PM
 *       Revision:  none
 *       Compiler:  gcc
 *
 *         Author:  Valdas Rapsevicius (VR), valdas.rapsevicius@cern.ch
 *        Company:  CERN, CH
 *
 * =====================================================================================
 */

#ifndef CSCDQM_Utility_H
#define CSCDQM_Utility_H

#include <string>
#include <map>
#include <set>
#include <vector>
#include <sstream>
#include <stdint.h>
#include <math.h>

#ifndef CSC_RENDER_PLUGIN
#include <xercesc/util/XMLString.hpp>
#endif

#include <TString.h>
#include <TPRegexp.h>

namespace cscdqm {

  template <class T>
  const std::string toString(T& t) {
    std::ostringstream st;
    st << t;
    std::string result = st.str();
    return result;
  }

  template <class T>
  bool stringToNumber(T& t, const std::string& s, std::ios_base& (*f)(std::ios_base&)) {
    std::istringstream iss(s);
    return !(iss >> f >> t).fail();
  }

  class Utility {

    public:

      static bool regexMatch(const std::string& expression, const std::string& message);
      static bool regexMatch(const TPRegexp& re_expression, const std::string& message);
      static void regexReplace(const std::string& expression, std::string& message, const std::string replace = "");
      static void regexReplace(const TPRegexp& re_expression, std::string& message, const std::string replace = "");
      static std::string regexReplaceStr(const std::string& expression, const std::string& message, const std::string replace = "");
      static std::string regexReplaceStr(const TPRegexp& re_expression, const std::string& message, const std::string replace = "");

      static int getCSCTypeBin(const std::string& cstr);
      static std::string getCSCTypeLabel(int endcap, int station, int ring);
      static int tokenize(const std::string& str, std::vector<std::string>& tokens, const std::string& delimiters = " ");
      static void splitString(const std::string& str, const std::string& delim, std::vector<std::string>& results);
      static void trimString(std::string& str);
      static uint32_t fastHash(const char* data, int len);
      static uint32_t fastHash(const char* data) { return fastHash(data, strlen(data)); }

      static short  checkOccupancy(const unsigned int N, const unsigned int n, const double low_threshold, const double high_threshold, const double low_sigfail, const double high_sigfail);
      static bool   checkError(const unsigned int N, const unsigned int n, const double threshold, const double sigfail);
      static double SignificanceLevelLow(const unsigned int N, const unsigned int n, const double eps);
      static double SignificanceLevelHigh(const unsigned int N, const unsigned int n);

  };


#ifndef CSC_RENDER_PLUGIN

#define XERCES_TRANSCODE(str) cscdqm::XercesStringTranscoder(str).unicodeForm()

  class XercesStringTranscoder {

    public :

      XercesStringTranscoder(const char* const toTranscode) {
        fUnicodeForm = XERCES_CPP_NAMESPACE::XMLString::transcode(toTranscode);
      }

      ~XercesStringTranscoder() {
        XERCES_CPP_NAMESPACE::XMLString::release(&fUnicodeForm);
      }

      const XMLCh* unicodeForm() const {
        return fUnicodeForm;
      }

    private :

      XMLCh* fUnicodeForm;

  };

#endif  

}

#endif