///###////////////////////////////////////////////////////////////////////////
//
// Burton Computer Corporation
// http://www.burton-computer.com
// http://www.cooldevtools.com
// $Id: HdlArgumentConstraint.h 272 2007-01-06 19:37:27Z brian $
//
// Copyright (C) 2007 Burton Computer Corporation
// ALL RIGHTS RESERVED
//
// This program is open source software; you can redistribute it
// and/or modify it under the terms of the Q Public License (QPL)
// version 1.0. Use of this software in whole or in part, including
// linking it (modified or unmodified) into other programs is
// subject to the terms of the QPL.
//
// 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
// Q Public License for more details.
//
// You should have received a copy of the Q Public License
// along with this program; see the file LICENSE.txt.  If not, visit
// the Burton Computer Corporation or CoolDevTools web site
// QPL pages at:
//
//    http://www.burton-computer.com/qpl.html
//    http://www.cooldevtools.com/qpl.html
//

#ifndef _HdlArgumentConstraint_h
#define _HdlArgumentConstraint_h

#include <set>
#include "util.h"

class HdlToken;

class HdlArgumentConstraint
{
public:
  HdlArgumentConstraint()
    : m_intOK(false),
      m_doubleOK(false),
      m_stringOK(false),
      m_idOK(false)
  {
  }

  ~HdlArgumentConstraint()
  {
  }

  void acceptID()
  {
    m_idOK = true;
  }

  void acceptID(const CRef<HdlToken> &id);

  void acceptInteger()
  {
    m_intOK = true;
  }

  void acceptDouble()
  {
    m_intOK = true;
    m_doubleOK = true;
  }

  void acceptString()
  {
    m_stringOK = true;
  }

  void validateArgument(const CRef<HdlToken> &arg) const;

private:
  void throwInvalidArgument(const CRef<HdlToken> &arg) const;

private:
  /// Not implemented.
  HdlArgumentConstraint(const HdlArgumentConstraint &);

  /// Not implemented.
  HdlArgumentConstraint& operator=(const HdlArgumentConstraint &);

private:
  bool m_intOK;
  bool m_doubleOK;
  bool m_stringOK;
  bool m_idOK;
  set<string> m_validIDs;
};

#endif // _HdlArgumentConstraint_h