FrobbyStringStream.h

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/* Frobby: Software for monomial ideal computations.
   Copyright (C) 2007 Bjarke Hammersholt Roune (www.broune.com)
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see http://www.gnu.org/licenses/.
*/
#ifndef FROBBY_STRING_STREAM_GUARD
#define FROBBY_STRING_STREAM_GUARD
 
#include <string>
#include <stdexcept>
 
class FrobbyStringStream {
 public:
  FrobbyStringStream& operator<<(unsigned long long integer);
  FrobbyStringStream& operator<<(unsigned long integer);
  FrobbyStringStream& operator<<(unsigned int integer);
  FrobbyStringStream& operator<<(const mpz_class& integer);
  FrobbyStringStream& operator<<(const string& text);
  FrobbyStringStream& operator<<(const char* text);
 
  FrobbyStringStream& operator<<(char character);
 
  string& str();
  const string& str() const;
  operator const string&() const;
 
  void clear() {_str.clear();}
 
  static void appendIntegerToString(string& str, unsigned long integer);
  static void appendIntegerToString(string& str, const mpz_class& integer);
 
  static void parseInteger(mpz_class& integer, const string& str);
  class NotAnIntegerException : public runtime_error {
  public:
    NotAnIntegerException(const string&);
  };
 
 private:
  string _str;
};
 
#endif