G4String.hh

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//
// $Id$
//
// 
//---------------------------------------------------------------
//  GEANT 4 class header file
//
//  G4String
//
//  Class description:
//
//  Definition of a Geant4 string.
//  Derived from the Rogue Wave implementation of RWCString;
//  it uses intrinsically STL string.
 
//---------------------------------------------------------------
 
#ifndef __G4String
#define __G4String
 
#include <stdio.h>
#include <string>
#include <cstring>
 
#include "G4Types.hh"
#include <iostream>
 
#ifdef WIN32
  #define strcasecmp _stricmp
#endif
 
typedef std::string::size_type str_size;
 
class G4String;
 
class G4SubString
{
public:
 
  inline G4SubString(const G4SubString&);
 
  inline G4SubString& operator=(const char*);         
 
  inline G4SubString& operator=(const G4String&);
  inline G4SubString& operator=(const G4SubString&);
 
  inline char& operator()(str_size);
  inline char  operator()(str_size) const;
  inline char& operator[](str_size);
  inline char  operator[](str_size) const;
 
  inline G4int operator!() const;
 
  inline G4bool operator==(const G4String&) const;
  inline G4bool operator==(const char*) const;
  inline G4bool operator!=(const G4String&) const;
  inline G4bool operator!=(const char*) const;
 
  inline str_size length() const;
  inline str_size start() const;
 
  // For detecting null substrings
  //
  inline G4bool isNull() const;
 
private:
 
  inline G4SubString(G4String&, str_size, str_size);
 
  G4String*    mystring;     
  str_size     mystart;
  str_size     extent;
 
  friend class G4String;
 
};
 
 
class G4String : public std::string
{
 
  typedef std::string std_string;
 
public: 
 
  enum caseCompare { exact, ignoreCase };
  enum stripType { leading, trailing, both };
 
  inline G4String ();
  inline G4String ( char );
  inline G4String ( const char * );
  inline G4String ( const char *, str_size );
  inline G4String ( const G4String& );
  inline G4String ( const G4SubString& );
  inline G4String ( const std::string & );
  ~G4String () {}
 
  inline G4String& operator=(const G4String&);
  inline G4String& operator=(const std::string &);
  inline G4String& operator=(const char*);
 
  inline char operator () (str_size) const; 
  inline char& operator () (str_size);
 
  inline G4String& operator+=(const G4SubString&);
  inline G4String& operator+=(const char*);
  inline G4String& operator+=(const std::string &);
  inline G4String& operator+=(const char&);
  inline G4bool operator==(const G4String&) const;
  inline G4bool operator==(const char*) const;
  inline G4bool operator!=(const G4String&) const;
  inline G4bool operator!=(const char*) const;
 
  inline operator const char*() const;
  inline G4SubString operator()(str_size, str_size);
 
  inline G4int compareTo(const char*, caseCompare mode=exact) const;
  inline G4int compareTo(const G4String&, caseCompare mode=exact) const;
 
  inline G4String& prepend (const char*);
  inline G4String& append (const G4String&);
 
  inline std::istream& readLine (std::istream&, G4bool skipWhite=true);
  
  inline G4String& replace (unsigned int, unsigned int, 
                             const char*, unsigned int );
  inline G4String& replace(str_size, str_size, const char*);
 
  inline G4String& remove(str_size);
  inline G4String& remove(str_size, str_size);
 
  inline G4int first(char) const;
  inline G4int last(char) const;
 
  inline G4bool contains(const std::string&) const;
  inline G4bool contains(char) const;
 
  // stripType = 0 beginning
  // stripType = 1 end
  // stripType = 2 both
  //
  inline G4String strip (G4int strip_Type=trailing, char c=' ');
 
  inline void toLower ();
  inline void toUpper ();
 
  inline G4bool isNull() const;
 
  inline str_size index (const char*, G4int pos=0) const; 
  inline str_size index (char, G4int pos=0) const; 
  inline str_size index (const G4String&, str_size, str_size, caseCompare) const;
 
  inline const char* data() const;
 
  inline G4int strcasecompare(const char*, const char*) const;
 
  inline unsigned int hash( caseCompare cmp = exact ) const;
  inline unsigned int stlhash() const;
};
 
#include "G4String.icc"
 
#endif