Reconstruction/MdcPatRec/MdcRecoUtil/include/MdcRecoUtil/String.h

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//--------------------------------------------------------------------------
// File and Version Information:
//
// $Id: String.h,v 1.1.1.1 2005/04/21 01:15:12 zhangy Exp $
//
// Description:
//      The functions, within this namespace, are needed by BaBar to replace
//      those lost in the rw to STL string migration.
//
// Environment:
//      Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author List:
//       A. De Silva
//       A. Ryd
//
// Copyright Information:
//
//------------------------------------------------------------------------
 
#ifndef BES_STRING_H
#define BES_STRING_H
 
#include <algorithm>
#include <cctype>
#include <string>
#include <strings.h>
 
namespace bes {
  namespace String {
 
    // transformations from lower toupper case or vice-versa
 
    // needed because for_each is a non-modifying sequence algorithm
    inline void lowerCh( char& c ) { c = tolower( c ); }
    inline void upperCh( char& c ) { c = toupper( c ); }
 
    inline void transformToLower( std::string& str ) {
      std::for_each( str.begin(), str.end(), lowerCh );
    }
    inline void transformToUpper( std::string& str ) {
      std::for_each( str.begin(), str.end(), upperCh );
    }
 
    std::string toLower( const std::string& str );
    std::string toUpper( const std::string& str );
 
    // case-insensitive comparisons
    //
    //    It returns an integer less  than, equal  to,  or  greater  than
    //    zero if s is found, respectively, to be less than, to match, or
    //    be greater than  s2.
    //
    int        compare_nocase( const std::string& s, const std::string& s2 );
    inline int compare_nocase( const std::string& s, const char* s2 ) {
      return strcasecmp( s.c_str(), s2 );
    }
 
    // case-insensitive search
    int        find_nocase( const std::string& s, const std::string& s2 );
    inline int find_nocase( const std::string& s, const char* s2 ) {
      return find_nocase( s, std::string( s2 ) );
    }
 
    // Provides a hash function for strings
    unsigned int rwHash( const std::string& str );
 
  } // namespace String
} // namespace bes
 
#endif