/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 *
 * 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 3 of the
 * License, or (at your option) any later version.
 *
 * In addition, as a special exception, the copyright holders of this
 * program give permission to link the code of its release with the
 * OpenSSL project's "OpenSSL" library (or with modified versions of it
 * that use the same license as the "OpenSSL" library), and distribute
 * the linked executables. You must obey the GNU General Public License
 * in all respects for all of the code used other than "OpenSSL". If you
 * modify file(s) with this exception, you may extend this exception to
 * your version of the file(s), but you are not obligated to do so. If
 * you do not wish to do so, delete this exception statement from your
 * version. If you delete this exception statement from all source files
 * in the program, then also delete it here.
 * 
 * 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, see <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "../OrthancException.h"

#include <string>
#include <boost/noncopyable.hpp>

namespace Orthanc
{
  class DicomValue : public boost::noncopyable
  {
  private:
    enum Type
    {
      Type_Null,
      Type_String,
      Type_Binary
    };

    Type         type_;
    std::string  content_;

    DicomValue(const DicomValue& other) : 
      type_(other.type_),
      content_(other.content_)
    {
    }

  public:
    DicomValue() : type_(Type_Null)
    {
    }
    
    DicomValue(const std::string& content,
               bool isBinary) :
      type_(isBinary ? Type_Binary : Type_String),
      content_(content)
    {
    }
    
    DicomValue(const char* data,
               size_t size,
               bool isBinary) :
      type_(isBinary ? Type_Binary : Type_String)
    {
      content_.assign(data, size);
    }
    
    const std::string& GetContent() const
    {
      if (type_ == Type_Null)
      {
        throw OrthancException(ErrorCode_BadParameterType);
      }
      else
      {
        return content_;
      }
    }

    bool IsNull() const
    {
      return type_ == Type_Null;
    }

    bool IsBinary() const
    {
      return type_ == Type_Binary;
    }
    
    DicomValue* Clone() const
    {
      return new DicomValue(*this);
    }
  };
}