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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004-2005 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef SAGA_LIST_H__
#define SAGA_LIST_H__
#include "common/list.h"
namespace Saga {
template <class T>
class SortedList : public Common::List<T> {
public:
typedef int (*CompareFunction) (const T& a, const T& b);
typedef typename Common::List<T>::iterator iterator;
typedef typename Common::List<T>::const_iterator const_iterator;
public:
iterator pushFront(const T& element) {
return insert(Common::List<T>::begin(), element);
}
iterator pushBack(const T& element) {
return insert(Common::List<T>::end(), element);
}
iterator insert(iterator pos, const T& element) {
Common::List<T>::insert(pos, element);
return --pos;
}
iterator pushFront() {
return insert(Common::List<T>::begin());
}
iterator pushBack() {
return insert(Common::List<T>::end());
}
iterator insert(iterator pos) {
T init;
return insert(pos, init);
}
iterator pushFront(const T& element, CompareFunction compareFunction) {
return insert(Common::List<T>::begin(), element, compareFunction);
}
iterator pushBack(const T& element, CompareFunction compareFunction) {
return insert(Common::List<T>::end(), element, compareFunction);
}
iterator insert(iterator pos, const T& element, CompareFunction compareFunction) {
int res;
for (iterator i = Common::List<T>::begin(); i != Common::List<T>::end(); ++i) {
res = compareFunction(element, i.operator*());
if (res < 0) {
return insert(i, element);
}
}
return pushBack(element);
}
iterator reorderUp(iterator pos, CompareFunction compareFunction) {
iterator i(pos);
int res;
--i;
while (i != Common::List<T>::end()) {
res = compareFunction(i.operator*(), pos.operator*());
if (res <= 0) {
T temp(*pos);
erase(pos);
++i;
return insert(i, temp);
}
--i;
}
return pos;
}
iterator reorderDown(iterator pos, CompareFunction compareFunction) {
iterator i(pos);
int res;
++i;
while (i != Common::List<T>::end()) {
res = compareFunction(i.operator*(), pos.operator*());
if (res >= 0) {
T temp(*pos);
erase(pos);
return insert(i, temp);
}
++i;
}
return pos;
}
iterator eraseAndPrev(iterator pos) {
assert(pos != Common::List<T>::end());
iterator res(pos);
--res;
erase(pos);
return res;
}
void remove(const T* val) {
for (iterator i = Common::List<T>::begin(); i != Common::List<T>::end(); ++i)
if (val == i.operator->()) {
erase(i);
return;
}
}
bool locate(const T* val, iterator& foundedIterator) {
for (iterator i = Common::List<T>::begin(); i != Common::List<T>::end(); ++i)
if (val == i.operator->())
{
foundedIterator = i;
return true;
}
return false;
}
};
} // End of namespace Saga
#endif
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