MeVisLab/Standard/Sources/ML/MLObjMgr/ObjMgr/mlObjMgrObjectID.h

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// **InsertLicense** code
//-------------------------------------------------------------------------

//-------------------------------------------------------------------------

#ifndef __mlObjMgrObjectID_H
#define __mlObjMgrObjectID_H

#ifndef __MLObjMgrSystem_H
#include "MLObjMgrSystem.h"
#endif
#ifndef __mlTypeDefs_H
#include "mlTypeDefs.h"
#endif

ML_START_NAMESPACE

   template <typename T>
   class omIDTypeT : public std::basic_string<T>
   {
      typedef std::basic_string<T> inherited;

      public:

         omIDTypeT() : inherited("") {}

         omIDTypeT(MLint32 id)
         {
           std::basic_ostringstream<T> o;
           if (!(o << id)) {
              inherited::assign("0");
              ML_PRINT_ERROR("omIDType::omIDType(MLint32)", ML_BAD_DATA_TYPE, "Conversion of MLint32 to string failed (result '" + o.str() + "'). Continuing with string id '0'.");
           }
           else {
              inherited::assign(o.str());
           }
         }

         omIDTypeT(const char *id) : inherited(id) {}

         omIDTypeT(const std::basic_string<T> &id) : inherited(id) {}

         omIDTypeT &operator =(const std::basic_string<T> &id) {
            inherited::assign(id);

            return *this;
         }

         operator const std::basic_string<T> &() const {
            return *this;
         }

         MLint32 getInt() const
         {
           std::basic_istringstream<T> i(*this);
           MLint32 x=0;
           if (!(i >> x)) {
              x = 0;
              ML_PRINT_ERROR("omIDType::getInt()", ML_BAD_DATA_TYPE, "Conversion of string ID '" + *this + "' to MLint32 failed. Returning 0.");
           }
           return x;
         }

         const bool isDefault() const {
            return inherited::empty();
         }

};

typedef omIDTypeT<char> omIDType;

#define omID_DEFAULT (omIDType())

#define omID_MAX     (ML_UINT32_MAX / 2 - 1)

ML_END_NAMESPACE

#endif // __mlObjMgrObjectID_H