set_t.cpp

MySql++ wrapper

/*
set_t.cpp

Copyright (C) 2004  Anders Hedstrom

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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#ifdef _WIN32
#pragma warning(disable:4786)
#endif

#include "set_t.h"


set_t::set_t(std::map<std::string, uint64_t>& ref) : m_mmap(ref), m_value(0)
{
}


void set_t::operator=(const std::string& str)
{
  size_t x = 0;
  size_t i;
  m_value = 0;
  for (i = 0; i < str.size(); i++)
  {
    if (str[i] == ',')
    {
      m_value |= m_mmap[str.substr(x,i - x)];
      x = i + 1;
    }
  }
  m_value |= m_mmap[str.substr(x,i - x)];
}


void set_t::operator=(uint64_t s)
{
  m_value = s;
}


void set_t::operator|=(uint64_t s)
{
  m_value |= s;
}


void set_t::operator&=(uint64_t s)
{
  m_value &= s;
}


const std::string& set_t::String()
{
  std::string str;
  for (std::map<std::string, uint64_t>::iterator it = m_mmap.begin(); it != m_mmap.end(); it++)
  {
    std::string tmp = (*it).first;
    uint64_t bit = (*it).second;
    if (m_value & bit)
    {
      if (str.size())
        str += ",";
      str += tmp;
    }
  }
  m_strvalue = str;
  return m_strvalue;
}


uint64_t set_t::Value()
{
  return m_value;
}


bool set_t::in_set(const std::string& str)
{
  if (m_value & m_mmap[str])
    return true;
  return false;
}


const char *set_t::c_str()
{
  return String().c_str();
}


void set_t::operator+=(const std::string& str)
{
  size_t x = 0;
  size_t i;
  for (i = 0; i < str.size(); i++)
  {
    if (str[i] == ',')
    {
      m_value |= m_mmap[str.substr(x,i - x)];
      x = i + 1;
    }
  }
  m_value |= m_mmap[str.substr(x,i - x)];
}


void set_t::operator-=(const std::string& str)
{
  size_t x = 0;
  size_t i;
  for (i = 0; i < str.size(); i++)
  {
    if (str[i] == ',')
    {
      m_value &= ~m_mmap[str.substr(x,i - x)];
      x = i + 1;
    }
  }
  m_value &= ~m_mmap[str.substr(x,i - x)];
}