mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-25 19:25:20 +00:00
91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
/* ScummVM - Scumm Interpreter
|
|
* Copyright (C) 2002-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*/
|
|
|
|
#ifndef COMMON_FUNC_H
|
|
#define COMMON_FUNC_H
|
|
|
|
#include "common/scummsys.h"
|
|
|
|
namespace Common {
|
|
|
|
template <class T>
|
|
struct EqualTo {
|
|
bool operator()(const T& x, const T& y) const { return x == y; }
|
|
};
|
|
|
|
template <class T>
|
|
struct Less {
|
|
bool operator()(const T& x, const T& y) const { return x < y; }
|
|
};
|
|
|
|
/**
|
|
* Base template for hash functor objects, used by HashMap.
|
|
* This needs to be specialized for every type that you need to hash.
|
|
*/
|
|
template <typename T> struct Hash;
|
|
|
|
|
|
#define GENERATE_TRIVIAL_HASH_FUNCTOR(T) \
|
|
template <> struct Hash<T> { \
|
|
uint operator()(T val) const { return (uint)val; } \
|
|
}
|
|
|
|
GENERATE_TRIVIAL_HASH_FUNCTOR(bool);
|
|
GENERATE_TRIVIAL_HASH_FUNCTOR(char);
|
|
GENERATE_TRIVIAL_HASH_FUNCTOR(signed char);
|
|
GENERATE_TRIVIAL_HASH_FUNCTOR(unsigned char);
|
|
GENERATE_TRIVIAL_HASH_FUNCTOR(short);
|
|
GENERATE_TRIVIAL_HASH_FUNCTOR(int);
|
|
GENERATE_TRIVIAL_HASH_FUNCTOR(long);
|
|
GENERATE_TRIVIAL_HASH_FUNCTOR(unsigned short);
|
|
GENERATE_TRIVIAL_HASH_FUNCTOR(unsigned int);
|
|
GENERATE_TRIVIAL_HASH_FUNCTOR(unsigned long);
|
|
|
|
#undef GENERATE_TRIVIAL_HASH_FUNCTOR
|
|
|
|
|
|
// Simple sort function, modelled after std::sort.
|
|
// Use it like this: sort(container.begin(), container.end()).
|
|
// Also work on plain old int arrays etc.
|
|
template <typename T>
|
|
void sort(T first, T last) {
|
|
if (first == last)
|
|
return;
|
|
|
|
// Simple selection sort
|
|
T i(first);
|
|
for (; i != last; ++i) {
|
|
T minElem(i);
|
|
T j(i);
|
|
++j;
|
|
for (; j != last; ++j)
|
|
if (*j < *minElem)
|
|
minElem = j;
|
|
if (minElem != i)
|
|
SWAP(*minElem, *i);
|
|
}
|
|
}
|
|
|
|
|
|
} // End of namespace Common
|
|
|
|
#endif
|