case.cpp

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/*---------------------------------------------------------------------+
 * File: case.cpp
 * Project: part of belofte - A Promising Chess Program
 * Author: yves
 * SPDX-License-Identifier: GPL-2.0-only
+----------------------------------------------------------------------*/
 
#include "belofte.h"
 
//-----------------------------------------------------------------------
// bCase class
 
bCase::bCase(case_t c)
  : m_case{c}
{
}
 
bCase::bCase(column_t const c, rank_t const r)
{
  if (c != -1)
    m_case = static_cast<case_t>(bCase::coordToCase(c, r));
  else
    m_case = 0xFF;
}
 
bCase::bCase(std::string const& cf)
{
  if (cf.size() > 1) {
    m_case = bCase::coordToCase(cf[0] - 'a', cf[1] - '1');
  }
}
 
bCase& bCase::operator=(std::string const& cf)
{
  if (cf.size() > 1) {
    m_case = bCase::coordToCase(cf[0] - 'a', cf[1] - '1');
  }
  return *this;
}
 
bool bCase::operator==(bCase const rhs) const {
  return m_case == rhs.m_case;
}
 
bCase::operator std::string() const
{
  if (m_case == 0xFF) return "-";
  return std::string(1, column0() + 'a') + std::string(1, rank0() + '1');
}
 
std::ostream& operator<<(std::ostream& os, bCase const& cf)
{
  os << std::string(cf);
  return os;
}
 
// eof