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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef PARALLACTION_DEFS_H
#define PARALLACTION_DEFS_H
#include "common/stdafx.h"
#include "common/list.h"
namespace Parallaction {
#define PATH_LEN 200
template <class T>
class ManagedList : public Common::List<T> {
public:
typedef typename Common::List<T> Common_List;
typedef typename Common::List<T>::iterator iterator;
typedef int (*CompareFunction) (const T& a, const T& b);
~ManagedList() {
clear();
}
void clear() {
erase(Common_List::begin(), Common_List::end());
}
iterator erase(iterator pos) {
if (pos != Common_List::end())
delete *pos;
return Common_List::erase(pos);
}
iterator erase(iterator first, iterator last) {
for (iterator it = first; it != last; it++)
delete *it;
return Common_List::erase(first, last);
}
// keeps list ordered in *ascending* order, as expressed by the compare function
void insertSorted(const T& element, CompareFunction compare) {
iterator it = Common_List::begin();
for ( ; it != Common_List::end(); it++)
if (compare(element, *it) < 0) break;
if (it == Common_List::end())
Common_List::push_back(element);
else
Common_List::insert(it, element);
}
// FIXME: this routine is a copy of the sort routine that can be found in common/func.cpp
// That wasn't usable because the 'less than' operator was hardcoded. Any comments or
// suggestions are welcome.
void sort(CompareFunction compare) {
iterator first = Common_List::begin();
iterator last = Common_List::end();
if (first == last)
return;
// Simple selection sort
iterator i(first);
for (; i != last; ++i) {
iterator minElem(i);
iterator j(i);
++j;
for (; j != last; ++j)
if (compare(*j, *minElem) < 0)
minElem = j;
if (minElem != i)
SWAP(*minElem, *i);
}
}
};
} // namespace Parallaction
#endif
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