string_table_stream.h

Go to the documentation of this file.

/*
 * Copyright (c) 2013-2015:  G-CSC, Goethe University Frankfurt
 * Author: Martin Rupp
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * 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 Lesser General Public License for more details.
 */
 
#ifndef STRING_TABLE_STREAM_H_
#define STRING_TABLE_STREAM_H_
 
#include <vector>
#include "table.h"
#include "string_util.h"
#include "stringify.h"
 
 
namespace ug{
class StringTableStream
{
private:
  StringTable s;
  size_t m_curRow;
  size_t m_curCol;
 
public:
  StringTableStream()
  {
    m_curRow=m_curCol = 0;
  }
 
  StringTable &table() { return s; }
 
  template<typename T>
  StringTableStream &operator << (T t)
  {
    s(m_curRow, m_curCol++) = ToString(t);
    return *this;
  }
 
  StringTableStream &operator << (const char *c)
  {
    size_t l = strlen(c);
//    size_t begin=0;
    std::vector<char> vc;
    for(size_t i=0; i<l; i++)
    {
      if(c[i] == '\n')
      {
        vc.push_back(0);
        s(m_curRow, m_curCol) = &vc[0];
        vc.clear();
        m_curRow++;
        m_curCol=0;
        if(i == l-1) return *this;
      }
      else
        vc.push_back(c[i]);
    }
    vc.push_back(0);
    s(m_curRow, m_curCol++) = &vc[0];
    return *this;
  }
 
 
 
  struct RepeatedCol
  {
    RepeatedCol(std::string _content, size_t _number) :
      content(_content), number(_number) {}
    std::string content;
    size_t number;
  };
 
  StringTableStream &operator << (RepeatedCol c)
  {
    for(size_t i=0; i<c.number; i++)
      *this << c.content;
    return *this;
  }
 
 
  RepeatedCol empty_col(size_t i)
  {
    return RepeatedCol("", i);
  }
 
  template<typename T>
  RepeatedCol repeat_col(size_t nrRepeat, T contentToRepeat)
  {
    return RepeatedCol(ToString(contentToRepeat), nrRepeat);
  }
 
  template<typename T>
  void set(size_t r, size_t c, T t)
  {
    s(r, c) = ToString(t);
  }
 
  StringTableStream &operator << (std::string str)
  {
    *this << str.c_str();
    return *this;
  }
  std::string to_string() const
  {
    return s.to_string();
  }
 
  void clear()
  {
    m_curRow=m_curCol = 0;
    s.clear();
  }
};
 
inline std::ostream& operator << (std::ostream& os, const StringTableStream &sts)
{
  os << sts.to_string();
  return os;
}
 
}
#endif /* STRING_TABLE_STREAM_H_ */