fsNCoreUtils.h

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/********************************************************************
*
*       Created:        19/2/2014   10:46
*
*       File:           fsNCoreUtils.h
*
*       Author:         Mick Waites
*       
*       Purpose:        
*
*********************************************************************/
 
#ifndef fsNCoreUtilshdr
#define fsNCoreUtilshdr
 
#include <algorithm>
#include <map>
 
#include "../fsStr.h"
 
#define CALL_MEMBER_FNC(object, ptrToMember)    ((object)->*(ptrToMember))
 
namespace fsNCoreUtils
{
        fsU32 unicodeExtraCharacterCountGet(fsChar pChar);
        void unicodeCharCopy(fsStr pSrcText, fsStr& pDestText, fsS32& pCurrentPos);
 
        template <class valType>
        void
        clamp(valType& pVal, valType pMin, valType pMax)
        {
                if (pVal > pMax)
                {
                        pVal = pMax;
                }
                else if (pVal < pMin)
                {
                        pVal = pMin;
                }
        }
 
        struct fsFncDeleteObject
        {
                template <typename T>
                void operator()(const T* pPtr) const
                {
                        delete pPtr;
                }
        };
 
        class fsCFncDeletePairSecond
        {
        public:
                template <typename T>
                void operator()(const T& pPair) const
                {
                        delete pPair.second;
                }
        };
 
        // Use if value is pointer to which we are responsible for deleting
        template <class keyType, class pointerType>
        void clearMapOfValuePtrs(std::map<keyType, pointerType>& pMapToTrash)
        {
                std::for_each(pMapToTrash.begin(), pMapToTrash.end(), fsCFncDeletePairSecond());
                pMapToTrash.clear();
        }
 
        template <class T>
        void clearSequenceContainerOfPtrs(T& pContainerToTrash)
        {
                std::for_each(pContainerToTrash.begin(), pContainerToTrash.end(), fsFncDeleteObject());
                pContainerToTrash.clear();
        }
};
 
#endif