Standard Portable Library: spl/collection/IEnumerable.h Source File

00001 /*
00002  *   This file is part of the Standard Portable Library (SPL).
00003  *
00004  *   SPL is free software: you can redistribute it and/or modify
00005  *   it under the terms of the GNU General Public License as published by
00006  *   the Free Software Foundation, either version 3 of the License, or
00007  *   (at your option) any later version.
00008  *
00009  *   SPL is distributed in the hope that it will be useful,
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *   GNU General Public License for more details.
00013  *
00014  *   You should have received a copy of the GNU General Public License
00015  *   along with SPL.  If not, see <http://www.gnu.org/licenses/>.
00016  */
00017 #ifndef _ienumerable_h
00018 #define _ienumerable_h
00019 
00020 #include <spl/Debug.h>
00021 #include <spl/Delegate.h>
00022 #include <spl/Memory.h>
00023 #include <spl/IIterator.h>
00024 #include <spl/RefCountPtr.h>
00025 
00034 template<typename T>
00035 class IEnumerable : public IMemoryValidate
00036 {
00037 protected:
00038         virtual RefCountPtr<IIterator<T> > IteratorPtr() = 0;
00039 
00040 public:
00041         virtual ~IEnumerable() {}
00042         
00043         inline void ForEach(IDelegateOneParameter<T&>& func)
00044         {
00045                 RefCountPtr<IIterator<T> > iter = IteratorPtr();
00046                 while(iter->Next())
00047                 {
00048                         func.Call(iter->Current(iter->CurrentRef()));
00049                 }
00050         }
00051 
00052 #if defined(DEBUG)
00053         virtual void CheckMem() const {}
00054         virtual void ValidateMem() const {}
00055 #endif
00056 };
00057 
00060 #endif