mlObjMgrObjectID.h

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/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#ifndef ML_OBJ_MGR_OBJECT_ID_H
#define ML_OBJ_MGR_OBJECT_ID_H
 
 
 
#include "MLObjMgrSystem.h"
#include <mlTypeDefs.h>
#include <mlPrintTemplateErrors.h>
 
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");
              printTemplateError("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;
              printTemplateError("omIDType::getInt()", ML_BAD_DATA_TYPE, "Conversion of string ID '" + *this + "' to MLint32 failed. Returning 0.");
           }
           return x;
         }
 
         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