csutil/weakrefarr.h
00001 /* 00002 Crystal Space Weak Reference array 00003 Copyright (C) 2004 by Jorrit Tyberghein 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_WEAKREFARR_H__ 00021 #define __CS_WEAKREFARR_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 "csextern.h" 00030 #include "weakref.h" 00031 #include "array.h" 00032 00036 template <class T> 00037 class csWeakRefArray : public csSafeCopyArray<csWeakRef<T> > 00038 { 00039 public: 00044 csWeakRefArray (int ilimit = 0, int ithreshold = 0) 00045 : csSafeCopyArray<csWeakRef<T> > (ilimit, ithreshold) 00046 { 00047 } 00048 00053 void Compact () 00054 { 00055 int i = this->Length ()-1; // see *1* 00056 while (i >= 0) 00057 { 00058 if (this->Get (i) == 0) // see *1* 00059 this->DeleteIndex (i); 00060 i--; 00061 } 00062 } 00063 }; 00064 00065 #endif // __CS_WEAKREFARR_H__
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