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server/common/stl.h

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2.5 KiB
C++

#ifndef __INC_METIN_II_STL_H__
#define __INC_METIN_II_STL_H__
#include <vector>
#include <string>
#include <map>
#include <list>
#include <functional>
#include <stack>
#include <set>
#ifdef __GNUC__
#include <ext/functional>
#endif
#ifndef itertype
#define itertype(v) typeof((v).begin())
#endif
inline void stl_lowers(std::string& rstRet)
{
for (size_t i = 0; i < rstRet.length(); ++i)
rstRet[i] = tolower(rstRet[i]);
}
struct stringhash
{
size_t operator () (const std::string & str) const
{
const unsigned char * s = (const unsigned char*) str.c_str();
const unsigned char * end = s + str.size();
size_t h = 0;
while (s < end)
{
h *= 16777619;
h ^= *(s++);
}
return h;
}
};
// code from tr1/functional_hash.h
template<typename T>
struct hash;
template<typename _Tp>
struct hash<_Tp*>
: public std::unary_function<_Tp*, std::size_t>
{
std::size_t
operator()(_Tp* __p) const
{ return reinterpret_cast<std::size_t>(__p); }
};
namespace std
{
template <class container, class Pred>
void erase_if (container & a, typename container::iterator first, typename container::iterator past, Pred pred)
{
while (first != past)
if (pred(*first))
a.erase(first++);
else
++first;
}
template <class container>
void wipe(container & a)
{
typename container::iterator first, past;
first = a.begin();
past = a.end();
while (first != past)
delete *(first++);
a.clear();
}
template <class container>
void wipe_second(container & a)
{
typename container::iterator first, past;
first = a.begin();
past = a.end();
while (first != past)
{
delete first->second;
++first;
}
a.clear();
}
template <class _Ty>
class void_mem_fun_t : public unary_function<_Ty *, void>
{
public:
explicit void_mem_fun_t(void (_Ty::*_Pm)()) : _Ptr(_Pm)
{
}
void operator()(_Ty* p) const
{
((p->*_Ptr)());
}
private:
void (_Ty::*_Ptr)();
};
template<class _Ty> inline
void_mem_fun_t<_Ty> void_mem_fun(void (_Ty::*_Pm)())
{ return (void_mem_fun_t<_Ty>(_Pm)); }
template<class _Ty>
class void_mem_fun_ref_t : public unary_function<_Ty, void>
{
public:
explicit void_mem_fun_ref_t(void (_Ty::*_Pm)()) : _Ptr(_Pm) {}
void operator()(_Ty& x) const
{ return ((x.*_Ptr)()); }
private:
void (_Ty::*_Ptr)();
};
template<class _Ty> inline
void_mem_fun_ref_t<_Ty> void_mem_fun_ref(void (_Ty::*_Pm)())
{ return (void_mem_fun_ref_t< _Ty>(_Pm)); }
};
#endif