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hpsocket-linux/common/STLHelper.h
2025-04-18 13:39:34 +08:00

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27 KiB
C++

/*
* Copyright: JessMA Open Source (ldcsaa@gmail.com)
*
* Author : Bruce Liang
* Website : https://github.com/ldcsaa
* Project : https://github.com/ldcsaa/HP-Socket
* Blog : http://www.cnblogs.com/ldcsaa
* Wiki : http://www.oschina.net/p/hp-socket
* QQ Group : 44636872, 75375912
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "../hpsocket/GlobalDef.h"
#include "Singleton.h"
#include "StringT.h"
#include <math.h>
#include <functional>
#include <algorithm>
#include <vector>
#include <deque>
#include <queue>
#include <stack>
#include <list>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <type_traits>
#define hash_set unordered_set
#define hash_map unordered_map
#define hash_multimap unordered_multimap
using namespace std;
typedef list<short> short_list;
typedef list<int> int_list;
typedef list<long> long_list;
typedef list<int64_t> int64_list;
typedef list<unsigned short> ushort_list;
typedef list<unsigned int> uint_list;
typedef list<unsigned long> ulong_list;
typedef list<uint64_t> uint64_list;
typedef list<float> float_list;
typedef list<double> double_list;
typedef stack<short> short_stack;
typedef stack<int> int_stack;
typedef stack<long> long_stack;
typedef stack<int64_t> int64_stack;
typedef stack<unsigned short> ushort_stack;
typedef stack<unsigned int> uint_stack;
typedef stack<unsigned long> ulong_stack;
typedef stack<uint64_t> uint64_stack;
typedef stack<float> float_stack;
typedef stack<double> double_stack;
typedef queue<short> short_queue;
typedef queue<int> int_queue;
typedef queue<long> long_queue;
typedef queue<int64_t> int64_queue;
typedef queue<unsigned short> ushort_queue;
typedef queue<unsigned int> uint_queue;
typedef queue<unsigned long> ulong_queue;
typedef queue<uint64_t> uint64_queue;
typedef queue<float> float_queue;
typedef queue<double> double_queue;
typedef deque<short> short_deque;
typedef deque<int> int_deque;
typedef deque<long> long_deque;
typedef deque<int64_t> int64_deque;
typedef deque<unsigned short> ushort_deque;
typedef deque<unsigned int> uint_deque;
typedef deque<unsigned long> ulong_deque;
typedef deque<uint64_t> uint64_deque;
typedef deque<float> float_deque;
typedef deque<double> double_deque;
typedef vector<short> short_vector;
typedef vector<int> int_vector;
typedef vector<long> long_vector;
typedef vector<int64_t> int64_vector;
typedef vector<unsigned short> ushort_vector;
typedef vector<unsigned int> uint_vector;
typedef vector<unsigned long> ulong_vector;
typedef vector<uint64_t> uint64_vector;
typedef vector<float> float_vector;
typedef vector<double> double_vector;
typedef set<short> short_set;
typedef set<int> int_set;
typedef set<long> long_set;
typedef set<int64_t> int64_set;
typedef set<unsigned short> ushort_set;
typedef set<unsigned int> uint_set;
typedef set<unsigned long> ulong_set;
typedef set<uint64_t> uint64_set;
typedef set<float> float_set;
typedef set<double> double_set;
typedef hash_set<short> short_hash_set;
typedef hash_set<int> int_hash_set;
typedef hash_set<long> long_hash_set;
typedef hash_set<int64_t> int64_hash_set;
typedef hash_set<unsigned short> ushort_hash_set;
typedef hash_set<unsigned int> uint_hash_set;
typedef hash_set<unsigned long> ulong_hash_set;
typedef hash_set<uint64_t> uint64_hash_set;
typedef hash_set<float> float_hash_set;
typedef hash_set<double> double_hash_set;
typedef unordered_set<short> short_unordered_set;
typedef unordered_set<int> int_unordered_set;
typedef unordered_set<long> long_unordered_set;
typedef unordered_set<int64_t> int64_unordered_set;
typedef unordered_set<unsigned short> ushort_unordered_set;
typedef unordered_set<unsigned int> uint_unordered_set;
typedef unordered_set<unsigned long> ulong_unordered_set;
typedef unordered_set<uint64_t> uint64_unordered_set;
typedef unordered_set<float> float_unordered_set;
typedef unordered_set<double> double_unordered_set;
typedef list<INT_PTR> int_ptr_list;
typedef list<LONG_PTR> long_ptr_list;
typedef list<UINT_PTR> uint_ptr_list;
typedef list<ULONG_PTR> ulong_ptr_list;
typedef stack<INT_PTR> int_ptr_stack;
typedef stack<LONG_PTR> long_ptr_stack;
typedef stack<UINT_PTR> uint_ptr_stack;
typedef stack<ULONG_PTR> ulong_ptr_stack;
typedef queue<INT_PTR> int_ptr_queue;
typedef queue<LONG_PTR> long_ptr_queue;
typedef queue<UINT_PTR> uint_ptr_queue;
typedef queue<ULONG_PTR> ulong_ptr_queue;
typedef deque<INT_PTR> int_ptr_deque;
typedef deque<LONG_PTR> long_ptr_deque;
typedef deque<UINT_PTR> uint_ptr_deque;
typedef deque<ULONG_PTR> ulong_ptr_deque;
typedef vector<INT_PTR> int_ptr_vector;
typedef vector<LONG_PTR> long_ptr_vector;
typedef vector<UINT_PTR> uint_ptr_vector;
typedef vector<ULONG_PTR> ulong_ptr_vector;
typedef set<INT_PTR> int_ptr_set;
typedef set<LONG_PTR> long_ptr_set;
typedef set<UINT_PTR> uint_ptr_set;
typedef set<ULONG_PTR> ulong_ptr_set;
typedef hash_set<INT_PTR> int_ptr_hash_set;
typedef hash_set<LONG_PTR> long_ptr_hash_set;
typedef hash_set<UINT_PTR> uint_ptr_hash_set;
typedef hash_set<ULONG_PTR> ulong_ptr_hash_set;
typedef unordered_set<INT_PTR> int_ptr_unordered_set;
typedef unordered_set<LONG_PTR> long_ptr_unordered_set;
typedef unordered_set<UINT_PTR> uint_ptr_unordered_set;
typedef unordered_set<ULONG_PTR> ulong_ptr_unordered_set;
/*****************************************************************************/
/******************************** 容器操作函数 *******************************/
/**********************************
描述: 清除普通集合 , 适用于 vector<Object> / list<Object>
参数:
v : vector / list / set
返回值:
**********************************/
template<class Set> void ClearSet(Set& v)
{
v.clear();
}
template<class Set> struct Set_Cleaner
{
static void Clear(Set& v) {ClearSet(v);}
};
/**********************************
描述: 清除指针集合 (清除前先释放指针), 适用于 vector<Object*> / list<Object*>
参数:
v : vector / list / set
返回值:
**********************************/
template<class PtrSet> void ClearPtrSet(PtrSet& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
delete (*it);
v.clear();
}
template<class PtrSet> struct PtrSet_Cleaner
{
static void Clear(PtrSet& v) {ClearPtrSet(v);}
};
/**********************************
描述: 清除指针集合 (指针同时又指向数组), 适用于 vector<Object*[]> / list<Object*[]>
参数:
v : vector / list / set
返回值:
**********************************/
template<class PtrArraySet> void ClearPtrArraySet(PtrArraySet& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
delete[] (*it);
v.clear();
}
template<class PtrArraySet> struct PtrArraySet_Cleaner
{
static void Clear(PtrArraySet& v) {ClearPtrArraySet(v);}
};
/**********************************
描述: 清除普通影射 , 适用于 map<key, value>
参数:
v : map
返回值:
**********************************/
template<class Map> void ClearMap(Map& v)
{
v.clear();
}
template<class Map> struct Map_Cleaner
{
static void Clear(Map& v) {ClearMap(v);}
};
/**********************************
描述: 清除指针影射 (清除前先释放指针), 适用于 map<key, Object*>
参数:
v : map
返回值:
**********************************/
template<class PtrMap> void ClearPtrMap(PtrMap& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
delete it->second;
v.clear();
}
template<class PtrMap> struct PtrMap_Cleaner
{
static void Clear(PtrMap& v) {ClearPtrMap(v);}
};
/**********************************
描述: 清除指针影射 (指针同时又指向数组), 适用于 map<key, Object*[]>
参数:
v : map
返回值:
**********************************/
template<class PtrArrayMap> void ClearPtrArrayMap(PtrArrayMap& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
delete[] it->second;
v.clear();
}
template<class PtrArrayMap> struct PtrArrayMap_Cleaner
{
static void Clear(PtrArrayMap& v) {ClearPtrArrayMap(v);}
};
/**********************************
描述: 清除集合-集合 (清除前先清除内部集合), 适用于 set<vector<Object>*>
参数:
v : vector / list / set
返回值:
**********************************/
template<class SetSet> void ClearSetSet(SetSet& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
{
(*it)->clear();
delete (*it);
}
v.clear();
}
template<class SetSet> struct SetSet_Cleaner
{
static void Clear(SetSet& v) {ClearSetSet(v);}
};
/**********************************
描述: 清除指针集合-集合 (清除前先清除内部指针集合), 适用于 set<vector<Object*>*>
参数:
v : vector / list / set
返回值:
**********************************/
template<class PtrSetSet> void ClearPtrSetSet(PtrSetSet& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
{
ClearPtrSet(**it);
delete (*it);
}
v.clear();
}
template<class PtrSetSet> struct PtrSetSet_Cleaner
{
static void Clear(PtrSetSet& v) {ClearPtrSetSet(v);}
};
/**********************************
描述: 清除指针数组集合影射 (清除前先清除指针数组集合), 适用于 map<vector<Object*[]>*>
参数:
v : vector / list / set
返回值:
**********************************/
template<class PtrArraySetSet> void ClearPtrArraySetSet(PtrArraySetSet& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
{
ClearPtrArraySet(**it);
delete (*it);
}
v.clear();
}
template<class PtrArraySetSet> struct PtrArraySetSet_Cleaner
{
static void Clear(PtrArraySetSet& v) {ClearPtrArraySetSet(v);}
};
/**********************************
描述: 清除集合影射 (清除前先清除集合), 适用于 map<key, vector<Object>*>
参数:
v : map
返回值:
**********************************/
template<class SetMap> void ClearSetMap(SetMap& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
{
it->second->clear();
delete it->second;
}
v.clear();
}
template<class SetMap> struct SetMap_Cleaner
{
static void Clear(SetMap& v) {ClearSetMap(v);}
};
/**********************************
描述: 清除指针集合影射 (清除前先清除指针集合), 适用于 map<key, vector<Object*>*>
参数:
v : map
返回值:
**********************************/
template<class PtrSetMap> void ClearPtrSetMap(PtrSetMap& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
{
ClearPtrSet(*(it->second));
delete it->second;
}
v.clear();
}
template<class PtrSetMap> struct PtrSetMap_Cleaner
{
static void Clear(PtrSetMap& v) {ClearPtrSetMap(v);}
};
/**********************************
描述: 清除指针数组集合影射 (清除前先清除指针数组集合), 适用于 map<key, vector<Object*[]>*>
参数:
v : map
返回值:
**********************************/
template<class PtrArraySetMap> void ClearPtrArraySetMap(PtrArraySetMap& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
{
ClearPtrArraySet(*(it->second));
delete it->second;
}
v.clear();
}
template<class PtrArraySetMap> struct PtrArraySetMap_Cleaner
{
static void Clear(PtrArraySetMap& v) {ClearPtrArraySetMap(v);}
};
/**********************************
描述: 清除映射-影射 (清除前先清除内部映射), 适用于 map<key, map<key2, Object>*>
参数:
v : map
返回值:
**********************************/
template<class MapMap> void ClearMapMap(MapMap& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
{
it->second->clear();
delete it->second;
}
v.clear();
}
template<class MapMap> struct MapMap_Cleaner
{
static void Clear(MapMap& v) {ClearMapMap(v);}
};
/**********************************
描述: 清除指针映射-影射 (清除前先清除指针内部映射), 适用于 map<key, map<key2, Object*>*>
参数:
v : map
返回值:
**********************************/
template<class PtrMapMap> void ClearPtrMapMap(PtrMapMap& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
{
ClearPtrMap(*(it->second));
delete it->second;
}
v.clear();
}
template<class PtrMapMap> struct PtrMapMap_Cleaner
{
static void Clear(PtrMapMap& v) {ClearPtrMapMap(v);}
};
/**********************************
描述: 清除指针映射-影射 (清除前先清除指针数组内部映射), 适用于 map<key, map<key2, Object*[]>*>
参数:
v : map
返回值:
**********************************/
template<class PtrArrayMapMap> void ClearPtrArrayMapMap(PtrArrayMapMap& v)
{
for(auto it = v.begin(),
end = v.end();
it != end;
++it)
{
ClearPtrArrayMap(*(it->second));
delete it->second;
}
v.clear();
}
template<class PtrArrayMapMap> struct PtrArrayMapMap_Cleaner
{
static void Clear(PtrArrayMapMap& v) {ClearPtrArrayMapMap(v);}
};
/************************************************************************/
/* 指针集合容器 */
/************************************************************************/
template<class Set, class Cleaner> struct SetWrapper
{
typedef typename Set::iterator iterator;
typedef typename Set::const_iterator const_iterator;
typedef typename Set::value_type value_type;
typedef typename Set::reference reference;
typedef typename Set::const_reference const_reference;
typedef typename Set::pointer pointer;
typedef typename Set::const_pointer const_pointer;
typedef typename Set::size_type size_type;
typedef typename Set::difference_type difference_type;
SetWrapper()
{
}
virtual ~SetWrapper()
{
Clear();
}
void Clear()
{
if(!IsEmpty())
{
Cleaner::Clear(m_set);
}
}
Set& operator * () {return m_set;}
const Set& operator * () const {return m_set;}
Set* operator -> () {return &m_set;}
const Set* operator -> () const {return &m_set;}
Set& Get () {return m_set;}
operator Set& () {return m_set;}
bool IsEmpty () const {return m_set.empty();}
size_t Size () const {return m_set.size();}
protected:
Set m_set;
DECLARE_NO_COPY_CLASS(SetWrapper)
};
template<class Set, class Cleaner> struct VectorWrapper : public SetWrapper<Set, Cleaner>
{
typedef SetWrapper<Set, Cleaner> __super;
typedef typename __super::reference reference;
typedef typename __super::const_reference const_reference;
typedef typename __super::size_type size_type;
VectorWrapper()
{
}
reference operator [] (size_type i) {return __super::m_set[i];}
const_reference operator [] (size_type i) const {return __super::m_set[i];}
DECLARE_NO_COPY_CLASS(VectorWrapper)
};
/************************************************************************/
/* 指针数组集合容器 */
/************************************************************************/
/************************************************************************/
/* 指针映射容器 */
/************************************************************************/
template<class Map, class Cleaner> struct MapWrapper
{
typedef typename Map::iterator iterator;
typedef typename Map::const_iterator const_iterator;
typedef typename Map::key_type key_type;
typedef typename Map::mapped_type mapped_type;
typedef typename Map::value_type value_type;
typedef typename Map::reference reference;
typedef typename Map::const_reference const_reference;
typedef typename Map::pointer pointer;
typedef typename Map::size_type size_type;
typedef typename Map::difference_type difference_type;
MapWrapper()
{
}
~MapWrapper()
{
Clear();
}
void Clear()
{
if(!IsEmpty())
{
Cleaner::Clear(m_map);
}
}
Map& operator * () {return m_map;}
const Map& operator * () const {return m_map;}
Map* operator -> () {return &m_map;}
const Map* operator -> () const {return &m_map;}
mapped_type& operator [] (const key_type& key) {return m_map[key];}
const mapped_type& operator [] (const key_type& key) const {return m_map[key];}
Map& Get () {return m_map;}
operator Map& () {return m_map;}
bool IsEmpty () const {return m_map.empty();}
size_t Size () const {return m_map.size();}
private:
Map m_map;
DECLARE_NO_COPY_CLASS(MapWrapper)
};
/************************************************************************/
/* 比较仿函数 */
/************************************************************************/
template<class T> struct char_comparator
{
typedef T row_type;
static row_type row_type_value(const T& v) {return (row_type)v;}
static bool equal_to(const T& v1, const T& v2) {return strcmp(v1, v2) == 0;}
};
template<class T> struct char_nc_comparator
{
typedef T row_type;
static row_type row_type_value(const T& v) {return (row_type)v;}
static bool equal_to(const T& v1, const T& v2) {return stricmp(v1, v2) == 0;}
};
template<class T> struct wchar_comparator
{
typedef T row_type;
static row_type row_type_value(const T& v) {return (row_type)v;}
static bool equal_to(const T& v1, const T& v2) {return wcscmp(v1, v2) == 0;}
};
template<class T> struct wchar_nc_comparator
{
typedef T row_type;
static row_type row_type_value(const T& v) {return (row_type)v;}
static bool equal_to(const T& v1, const T& v2) {return wcsicmp(v1, v2) == 0;}
};
template<class T> struct cstring_comparator
{
typedef typename T::PCXSTR row_type;
static row_type row_type_value(const T& v) {return (row_type)v;}
static bool equal_to(const T& v1, const T& v2) {return v1.Compare(v2) == 0;}
};
template<class T> struct cstring_nc_comparator
{
typedef typename T::PCXSTR row_type;
static row_type row_type_value(const T& v) {return (row_type)v;}
static bool equal_to(const T& v1, const T& v2) {return v1.CompareNoCase(v2) == 0;}
};
// char/wchar_t/CStringX hash function
template<class T, class H> struct str_hash_func_t
{
struct hash
{
size_t operator() (const T& t) const
{
return hash_value(H::row_type_value(t));
}
};
struct equal_to
{
bool operator() (const T& t1, const T& t2) const
{
return H::equal_to(t1, t2);
}
};
};
// char/wchar_t/CStringX hash function (no case)
template<class T, class H, class B> struct str_nc_hash_func_t
{
struct hash
{
size_t operator() (const T& t) const
{
size_t _Val = 2166136261U;
typename H::row_type lpsz = H::row_type_value(t);
B c;
while((c = *lpsz++) != 0)
{
if(c >= 'A' && c <= 'Z')
c = (char)(c + 32);
_Val = 16777619U * _Val ^ c;
}
return _Val;
}
};
struct equal_to
{
bool operator() (const T& t1, const T& t2) const
{
return H::equal_to(t1, t2);
}
};
};
typedef str_hash_func_t<LPCSTR, char_comparator<LPCSTR>> str_hash_func;
typedef str_hash_func_t<LPCWSTR, wchar_comparator<LPCWSTR>> wstr_hash_func;
typedef str_hash_func_t<CStringA, cstring_comparator<CStringA>> cstringa_hash_func;
typedef str_hash_func_t<CStringW, cstring_comparator<CStringW>> cstringw_hash_func;
typedef str_nc_hash_func_t<LPCSTR, char_nc_comparator<LPCSTR>, char> str_nc_hash_func;
typedef str_nc_hash_func_t<LPCWSTR, wchar_nc_comparator<LPCWSTR>, wchar_t> wstr_nc_hash_func;
typedef str_nc_hash_func_t<CStringA, cstring_nc_comparator<CStringA>, char> cstringa_nc_hash_func;
typedef str_nc_hash_func_t<CStringW, cstring_nc_comparator<CStringW>, wchar_t> cstringw_nc_hash_func;
#ifdef _UNICODE
typedef cstringw_hash_func cstring_hash_func;
typedef cstringw_nc_hash_func cstring_nc_hash_func;
#else
typedef cstringa_hash_func cstring_hash_func;
typedef cstringa_nc_hash_func cstring_nc_hash_func;
#endif
struct bool_comp_func
{
bool operator() (bool v1, bool v2) const
{
if(!v1)
return false;
if(v1 == v2)
return false;
return true;
}
};
template<class T>
// T -> (signed / unsigned) short / int / long / int64_t
struct integer_comp_func
{
bool operator() (T v1, T v2) const
{
return v1 < v2;
}
};
typedef integer_comp_func<short> short_comp_func;
typedef integer_comp_func<int> int_comp_func;
typedef integer_comp_func<long> long_comp_func;
typedef integer_comp_func<int64_t> int64_comp_func;
typedef integer_comp_func<unsigned short> ushort_comp_func;
typedef integer_comp_func<unsigned int> uint_comp_func;
typedef integer_comp_func<unsigned long> ulong_comp_func;
typedef integer_comp_func<uint64_t> uint64_comp_func;
struct float_comp_func
{
bool operator() (float v1, float v2) const
{
float disc = v1 - v2;
if(fabsf(disc) < 1E-5)
return false;
return disc < 0;
}
};
struct double_comp_func
{
bool operator() (double v1, double v2) const
{
double disc = v1 - v2;
if(fabs(disc) < 1E-8)
return false;
return disc < 0;
}
};
template<class T, bool CASE = false>
// T -> (unsigned) char / wchar_t
struct character_comp_func
{
bool operator() (T v1, T v2) const
{
if(!CASE)
{
if(v1 >= 'A' && v1 <= 'Z') v1 += 32;
if(v2 >= 'A' && v2 <= 'Z') v2 += 32;
}
return v1 < v2;
}
};
typedef character_comp_func<char, true> char_case_comp_func;
typedef character_comp_func<unsigned char, true> uchar_case_comp_func;
typedef character_comp_func<wchar_t, true> wchar_case_comp_func;
typedef character_comp_func<char, false> char_ucase_comp_func;
typedef character_comp_func<unsigned char, false> uchar_ucase_comp_func;
typedef character_comp_func<wchar_t, false> wchar_ucase_comp_func;
template<class T, bool CASE = false>
// T -> TCHAR* / CString
struct str_comp_func
{
//比较函数。
bool operator() (const T &A, const T &B) const
{
if(!CASE)
return lstricmp((LPCTSTR)A, (LPCTSTR)B) < 0;
else
return lstrcmp((LPCTSTR)A, (LPCTSTR)B) < 0;
}
};
typedef str_comp_func<LPCTSTR, true> case_tchar_comp_func;
typedef str_comp_func<LPCTSTR, false> uncase_tchar_comp_func;
typedef str_comp_func<CString, true> case_string_comp_func;
typedef str_comp_func<CString, false> uncase_string_comp_func;
typedef case_tchar_comp_func tchar_ptr_case_comp_func;
typedef uncase_tchar_comp_func tchar_ptr_ucase_comp_func;
typedef case_string_comp_func string_case_comp_func;
typedef uncase_string_comp_func string_ucase_comp_func;
/************************************************************************/
/* 排序仿函数 */
/************************************************************************/
template<bool ASC = true>
struct bool_sort_func
{
bool operator() (bool v1, bool v2) const
{
if(v1 == v2)
return false;
bool result = !v1;
return ASC ? result : !result;
}
};
typedef bool_sort_func<true> bool_asc_sort_func;
typedef bool_sort_func<false> bool_desc_sort_func;
template<class T, bool ASC = true>
// T -> (signed / unsigned) short / int / long / int64_t
struct integer_sort_func
{
bool operator() (T v1, T v2) const
{
if(v1 == v2)
return false;
bool result = v1 < v2;
return ASC ? result : !result;
}
};
typedef integer_sort_func<short, true> short_asc_sort_func;
typedef integer_sort_func<unsigned short, true> ushort_asc_sort_func;
typedef integer_sort_func<int, true> int_asc_sort_func;
typedef integer_sort_func<unsigned int, true> uint_asc_sort_func;
typedef integer_sort_func<long, true> long_asc_sort_func;
typedef integer_sort_func<unsigned long, true> ulong_asc_sort_func;
typedef integer_sort_func<int64_t, true> int64_asc_sort_func;
typedef integer_sort_func<uint64_t, true> uint64_asc_sort_func;
typedef integer_sort_func<short, false> short_desc_sort_func;
typedef integer_sort_func<unsigned short, false> ushort_desc_sort_func;
typedef integer_sort_func<int, false> int_desc_sort_func;
typedef integer_sort_func<unsigned int, false> uint_desc_sort_func;
typedef integer_sort_func<long, false> long_desc_sort_func;
typedef integer_sort_func<unsigned long, false> ulong_desc_sort_func;
typedef integer_sort_func<int64_t, false> int64_desc_sort_func;
typedef integer_sort_func<uint64_t, false> uint64_desc_sort_func;
template<bool ASC = true>
struct float_sort_func
{
bool operator() (float v1, float v2) const
{
float disc = v1 - v2;
if(fabsf(disc) < 1E-5)
return false;
bool result = disc < 0;
return ASC ? result : !result;
}
};
typedef float_sort_func<true> float_asc_sort_func;
typedef float_sort_func<false> float_desc_sort_func;
template<bool ASC = true>
struct double_sort_func
{
bool operator() (double v1, double v2) const
{
double disc = v1 - v2;
if(fabs(disc) < 1E-8)
return false;
bool result = disc < 0;
return ASC ? result : !result;
}
};
typedef double_sort_func<true> double_asc_sort_func;
typedef double_sort_func<false> double_desc_sort_func;
template<class T, bool ASC = true, bool CASE = false>
// T -> (unsigned) char / wchar_t
struct character_sort_func
{
bool operator() (T v1, T v2) const
{
if(!CASE)
{
if(v1 >= 'A' && v1 <= 'Z') v1 += 32;
if(v2 >= 'A' && v2 <= 'Z') v2 += 32;
}
if(v1 == v2)
return false;
bool result = v1 < v2;
return ASC ? result : !result;
}
};
typedef character_sort_func<char, true, true> char_asc_case_sort_func;
typedef character_sort_func<unsigned char, true, true> uchar_asc_case_sort_func;
typedef character_sort_func<wchar_t, true, true> wchar_asc_case_sort_func;
typedef character_sort_func<char, true, false> char_asc_ucase_sort_func;
typedef character_sort_func<unsigned char, true, false> uchar_asc_ucase_sort_func;
typedef character_sort_func<wchar_t, true, false> wchar_asc_ucase_sort_func;
typedef character_sort_func<char, false, true> char_desc_case_sort_func;
typedef character_sort_func<unsigned char, false, true> uchar_desc_case_sort_func;
typedef character_sort_func<wchar_t, false, true> wchar_desc_case_sort_func;
typedef character_sort_func<char, false, false> char_desc_ucase_sort_func;
typedef character_sort_func<unsigned char, false, false> uchar_desc_ucase_sort_func;
typedef character_sort_func<wchar_t, false, false> wchar_desc_ucase_sort_func;
template<class T, bool ASC = true, bool CASE = false>
// T -> TCHAR* / CString
struct str_sort_func
{
bool operator() (const T& v1, const T& v2) const
{
bool result;
if(CASE)
{
int v = lstrcmp((LPCTSTR)v1, (LPCTSTR)v2);
if(v == 0)
result = false;
else
result = v < 0;
}
else
{
int v = tstricmp((LPCTSTR)v1, (LPCTSTR)v2);
if(v == 0)
result = false;
else
result = v < 0;
}
return ASC ? result : !result;
}
};
typedef str_sort_func<TCHAR*, true, true> tchar_ptr_asc_case_sort_func;
typedef str_sort_func<CString, true, true> string_asc_case_sort_func;
typedef str_sort_func<TCHAR*, true, false> tchar_ptr_asc_ucase_sort_func;
typedef str_sort_func<CString, true, false> string_asc_ucase_sort_func;
typedef str_sort_func<TCHAR*, false, true> tchar_ptr_desc_case_sort_func;
typedef str_sort_func<CString, false, true> string_desc_case_sort_func;
typedef str_sort_func<TCHAR*, false, false> tchar_ptr_desc_ucase_sort_func;
typedef str_sort_func<CString, false, false> string_desc_ucase_sort_func;