00001 /* ResidualVM - A 3D game interpreter00002 *00003 * ResidualVM is the legal property of its developers, whose names00004 * are too numerous to list here. Please refer to the COPYRIGHT00005 * file distributed with this source distribution.00006 *00007 * This program is free software; you can redistribute it and/or00008 * modify it under the terms of the GNU General Public License00009 * as published by the Free Software Foundation; either version 200010 * of the License, or (at your option) any later version.00011
00012 * This program is distributed in the hope that it will be useful,00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the00015 * GNU General Public License for more details.00016
00017 * You should have received a copy of the GNU General Public License00018 * along with this program; if not, write to the Free Software00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.00020 *00021 */00022
00023 #ifndef COMMON_FOREACH_H00024 #define COMMON_FOREACH_H00025
00026 #include "common/scummsys.h"00027
00028 #if __cplusplus < 201103L00029
00030 namespace Common {
00031
00032class _Foreach_Container_Base_ {
00033 public:
00034_Foreach_Container_Base_() : brk(1) { }
00035mutableuintbrk;
00036 };
00037
00038 template<class T>
00039class _Foreach_Container_ : public_Foreach_Container_Base_ {
00040 public:
00041_Foreach_Container_(const T &co) : i(co.begin()), e(co.end()) { }
00042voidnext() const {
00043 ++i;
00044 brk = 1;
00045 }
00046boolend() const { returni == e; }
00047
00048mutabletypename T::const_iterator i;
00049typename T::const_iterator e;
00050 };
00051
00052 template<class T>
00053inline_Foreach_Container_<T>_Create_Foreach_Container_(const T &c) {
00054 return_Foreach_Container_<T>(c);
00055 }
00056
00057 template<class T>
00058inlineconst_Foreach_Container_<T> *_Get_Foreach_Container_(const_Foreach_Container_Base_ *c, const T &) {
00059 returnstatic_cast<const _Foreach_Container_<T> *>(c);
00060 }
00061
00062 }
00063
00064#define foreach(var, container) \00065 for (const Common::_Foreach_Container_Base_ &_FOREACH_CONTAINER_ = Common::_Create_Foreach_Container_(container);\00066 !Common::_Get_Foreach_Container_(&_FOREACH_CONTAINER_, container)->end(); \00067 Common::_Get_Foreach_Container_(&_FOREACH_CONTAINER_, container)->next()) \00068 for (var = *Common::_Get_Foreach_Container_(&_FOREACH_CONTAINER_, container)->i;\00069 _FOREACH_CONTAINER_.brk > 0; --_FOREACH_CONTAINER_.brk)00070
00071 #else00072
00073 #define foreach(var, container) for (var : container)00074
00075 #endif00076
00077 #endif
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