checkedvector.h

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/*-*-c++-*-*****************************************************************
                          checkedvector.h  -  description
                             -------------------
    begin                : Fri Feb 20 2004
    copyright            : (C) 2004 by Christian Stimming
    email                : stimming@tuhh.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Lesser General Public            *
 *   License as published by the Free Software Foundation; either          *
 *   version 2.1 of the License, or (at your option) any later version.    *
 *                                                                         *
 *   This library 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     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the Free Software   *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef _CHECKEDVECTOR_H
#define _CHECKEDVECTOR_H


#include <vector>
#include <iostream>

#include <simthetic/misc.h>
#include <simthetic/exceptions.h>

namespace simth
{



template<class T>
class checkedVector : public std::vector<T>
{
  public:
    typedef typename std::vector<T>::iterator iterator;
    typedef typename std::vector<T>::const_iterator const_iterator;

    typedef typename std::vector<T>::reference reference;
    typedef typename std::vector<T>::const_reference const_reference;

  public:
    checkedVector() : std::vector<T>() {}
    explicit checkedVector(unsigned int size, const T &val = T()) : std::vector<T>(size, val) {}
    const_reference operator[](unsigned int pos) const;
    reference operator[](unsigned int pos);
    void assign(unsigned int size, const T &val);
    checkedVector<T>& operator=(const checkedVector<T>& from);
    checkedVector<T>& operator=(const std::vector<T>& from);
};


template<class T>
inline typename checkedVector<T>::const_reference checkedVector<T>::operator[](unsigned int pos) const
{
#if DEBUG==1
  if(pos >= std::vector<T>::size()) {
    throw std::out_of_range("checkedVector<T>::operator[] out of range");
  }
#endif
  return std::vector<T>::operator[](pos);
}



//Fuer Anwender dieser Funktion verhaelt sich der Rueckgabewert wie eine
//Referenz auf ein T (T&)
template<class T>
inline typename checkedVector<T>::reference checkedVector<T>::operator[](unsigned int pos)
{
#if DEBUG==1
  if(pos >= std::vector<T>::size()) {
    throw std::out_of_range("checkedVector<T>::operator[] out of range");
  }
#endif
  return std::vector<T>::operator[](pos);
}


template<class T>
inline checkedVector<T>& checkedVector<T>::operator=(const std::vector<T>& from)
{
  unsigned int newSize = from.size();
  if(newSize != this->size()) {
    this->resize(newSize);
  }

  iterator thisIter = this->begin();
  for(const_iterator fromIter = from.begin();fromIter!=from.end();++fromIter) {
    (*thisIter) = (*fromIter);
    ++thisIter;
  }
  return *this;
}
template<class T>
inline checkedVector<T>& checkedVector<T>::operator=(const checkedVector<T>& from)
{
  return operator=(static_cast<const std::vector<T>&>(from));
}

template<class T>
inline void checkedVector<T>::assign(unsigned int newSize, const T &val)
{
  this->resize(newSize);
  for(unsigned int pos=0; pos<newSize; pos++) {
    (*this)[pos]=val;
  }
}



template<class T>
std::ostream& operator<<(std::ostream &os, const checkedVector<T> &seq)
{
  //save old format settings:
  std::ios::fmtflags oldSettings = os.flags();
  //formatting
  os.precision(2);
  unsigned int len = seq.size();
  for(int i = len - 1; i >= 0; i--) {
    os<<" "<<seq[i]<<" ";
  }
  os<<" <- start";
  //rewrite old settings:
  os.flags(oldSettings);
  return os;
}

std::ostream& operator<<(std::ostream &os, const checkedVector<Complex>& compSeq);


} // namespace

#endif // _CONTAINERS_H

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