CrystalSpace

Public API Reference

Main Page   Modules   Class Hierarchy   Alphabetical List   Compound List   File List   Compound Members   File Members   Related Pages  

csutil/garray.h

Go to the documentation of this file.
00001 /*
00002     Crystal Space utility library: vector class interface
00003     Copyright (C) 1998,1999,2000 by Andrew Zabolotny <bit@eltech.ru>
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 */
00019 
00020 #ifndef __CS_GARRAY_H__
00021 #define __CS_GARRAY_H__
00022 
00023 //-----------------------------------------------------------------------------
00024 // Note *1*: The explicit "this->" is needed by modern compilers (such as gcc
00025 // 3.4.x) which distinguish between dependent and non-dependent names in
00026 // templates.  See: http://gcc.gnu.org/onlinedocs/gcc/Name-lookup.html
00027 //-----------------------------------------------------------------------------
00028 
00029 #include "array.h"
00030 
00045 template <class T>
00046 class csDirtyAccessArray : public csArray<T>
00047 {
00048 private:
00049   int RefCount;
00050 
00051 public:
00056   csDirtyAccessArray (int ilimit = 0, int ithreshold = 0)
00057         : csArray<T> (ilimit, ithreshold)
00058   {
00059     RefCount = 0;
00060   }
00061 
00062   // Reference counting.
00063   void IncRef () { RefCount++; }
00064 
00065   // Reference counting. Delete array when reference reaches 0.
00066   void DecRef ()
00067   {
00068     if (RefCount == 1) { this->DeleteAll (); } // see *1*
00069     RefCount--;
00070   }
00071 
00073   T* GetArray ()
00074   {
00075     if (this->Length () > 0) // see *1*
00076       return &this->Get (0);
00077     else
00078       return 0;
00079   }
00080 
00082   const T* GetArray () const
00083   {
00084     if (this->Length () > 0) // see *1*
00085       return &this->Get (0);
00086     else
00087       return 0;
00088   }
00089 
00095   T* GetArrayCopy ()
00096   {
00097     if (this->Length () > 0) // see *1*
00098     {
00099       T* copy = new T [this->Length ()];
00100       memcpy (copy, &this->Get (0), sizeof (T) * this->Length ());
00101       return copy;
00102     }
00103     else
00104       return 0;
00105   }
00106 };
00107 
00108 #endif // __CS_GARRAY_H__

Generated for Crystal Space by doxygen 1.2.18