Source code of Windows XP (NT5)
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// xlocale internal header (from <locale>)
#ifndef _XLOCALE_
#define _XLOCALE_
#include <climits>
#include <cstring>
#include <stdexcept>
#include <typeinfo>
#include <xlocinfo>
#ifdef _MSC_VER
#pragma pack(push,8)
#endif /* _MSC_VER */
_STD_BEGIN
// CLASS locale
class _CRTIMP2 locale {
public:
enum _Category {collate = _M_COLLATE, ctype = _M_CTYPE,
monetary = _M_MONETARY, numeric = _M_NUMERIC,
time = _M_TIME, messages = _M_MESSAGE,
all = _M_ALL, none = 0};
typedef int category;
// CLASS id
class _CRTIMP2 id {
public:
operator size_t()
{_Lockit _Lk;
if (_Id == 0)
_Id = ++_Id_cnt;
return (_Id); }
private:
size_t _Id;
static int _Id_cnt;
};
class _Locimp;
// class facet
class _CRTIMP2 facet {
friend class locale;
friend class _Locimp;
public:
static size_t __cdecl _Getcat()
{return ((size_t)(-1)); }
void _Incref()
{_Lockit _Lk;
if (_Refs < (size_t)(-1))
++_Refs; }
facet *_Decref()
{_Lockit _Lk;
if (0 < _Refs && _Refs < (size_t)(-1))
--_Refs;
return (_Refs == 0 ? this : 0); }
_PROTECTED:
virtual ~facet()
{}
protected:
explicit facet(size_t _R = 0)
: _Refs(_R) {}
private:
facet(const facet&); // undefined
const facet& operator=(const facet&); // undefined
size_t _Refs;
};
// CLASS _Locimp
class _Locimp : public facet {
_PROTECTED:
~_Locimp();
private:
friend class locale;
_Locimp(bool _Xp = false);
_Locimp(const _Locimp&);
void _Addfac(facet *, size_t);
static _Locimp *__cdecl _Makeloc(const _Locinfo&,
category, _Locimp *, const locale *);
static void __cdecl _Makewloc(const _Locinfo&,
category, _Locimp *, const locale *);
static void __cdecl _Makexloc(const _Locinfo&,
category, _Locimp *, const locale *);
facet **_Fv;
size_t _Nfv;
category _Cat;
bool _Xpar;
string _Name;
static _CRTIMP2 _Locimp *_Clocptr, *_Global;
};
locale& _Addfac(facet *, size_t, size_t);
bool operator()(const string&, const string&) const;
locale() _THROW0()
: _Ptr(_Init())
{_Lockit _lk;
_Locimp::_Global->_Incref(); }
locale(_Uninitialized)
{}
locale(const locale& _X) _THROW0()
: _Ptr(_X._Ptr)
{_Ptr->_Incref(); }
locale(const locale&, const locale&, category);
explicit locale(const char *, category = all);
locale(const locale&, const char *, category);
~locale() _THROW0()
{if (_Ptr != 0)
delete _Ptr->_Decref(); }
locale& operator=(const locale& _X) _THROW0()
{if (_Ptr != _X._Ptr)
{delete _Ptr->_Decref();
_Ptr = _X._Ptr;
_Ptr->_Incref(); }
return (*this); }
string name() const
{return (_Ptr->_Name); }
const facet *_Getfacet(size_t _Id, bool _Xp = false) const;
bool _Iscloc() const;
bool operator==(const locale& _X) const;
bool operator!=(const locale& _X) const
{return (!(*this == _X)); }
static const locale& __cdecl classic();
static locale __cdecl global(const locale&);
static locale __cdecl empty();
private:
locale(_Locimp *_P)
: _Ptr(_P) {}
static _Locimp *__cdecl _Init();
static void __cdecl _Tidy();
_Locimp *_Ptr;
};
_BITMASK_OPS(locale::_Category);
// SUPPORT TEMPLATES
template<class _F>
class _Tidyfac {
public:
static _F *__cdecl _Save(_F *_Fac)
{_Lockit _Lk;
_Facsav = _Fac;
_Facsav->_Incref();
atexit(_Tidy);
return (_Fac); }
static void __cdecl _Tidy()
{_Lockit _Lk;
delete _Facsav->_Decref();
_Facsav = 0; }
private:
static _F *_Facsav;
};
template<class _F>
_F *_Tidyfac<_F>::_Facsav = 0;
#define _ADDFAC(loc, pfac) _Addfac(loc, pfac)
#define _USEFAC(loc, fac) use_facet(loc, (fac *)0, false)
#define _USE(loc, fac) use_facet(loc, (fac *)0, true)
template<class _F> inline
locale _Addfac(locale _X, _F *_Fac)
{_Lockit _Lk;
return (_X._Addfac(_Fac, _F::id, _F::_Getcat())); }
template<class _F> inline
const _F& __cdecl use_facet(const locale& _L, const _F *,
bool _Cfacet)
{static const locale::facet *_Psave = 0;
_Lockit _Lk;
size_t _Id = _F::id;
const locale::facet *_Pf = _L._Getfacet(_Id, true);
if (_Pf != 0)
;
else if (!_Cfacet || !_L._Iscloc())
_THROW(bad_cast, "missing locale facet");
else if (_Psave == 0)
_Pf = _Psave = _Tidyfac<_F>::_Save(new _F);
else
_Pf = _Psave;
return (*(const _F *)_Pf); }
// TEMPLATE FUNCTION _Narrow
#define _NARROW(T, V) _Narrow((T)(V))
template<class _E> inline
int _Narrow(_E _C) // needs _E::operator char()
{return ((unsigned char)(char)_C); }
inline int _Narrow(wchar_t _C)
{return (wctob(_C)); }
// TEMPLATE FUNCTION _Widen
#define _WIDEN(T, V) _Widen(V, (T *)0)
template<class _E> inline
_E _Widen(char _Ch, _E *) // needs _E(char)
{return (_Ch); }
inline wchar_t _Widen(char _Ch, wchar_t *)
{return (btowc(_Ch)); }
// TEMPLATE FUNCTION _Getloctxt
template<class _E, class _II> inline
int __cdecl _Getloctxt(_II& _F, _II& _L, size_t _N,
const _E *_S)
{for (size_t _I = 0; _S[_I] != (_E)0; ++_I)
if (_S[_I] == _S[0])
++_N;
string _Str(_N, '\0');
int _Ans = -2;
for (size_t _J = 1; ; ++_J, ++_F, _Ans = -1)
{bool _Pfx;
size_t _I, _K;
for (_I = 0, _K = 0, _Pfx = false; _K < _N; ++_K)
{for (; _S[_I] != (_E)0 && _S[_I] != _S[0]; ++_I)
;
if (_Str[_K] != '\0')
_I += _Str[_K];
else if (_S[_I += _J] == _S[0] || _S[_I] == (_E)0)
{_Str[_K] = _J < 127 ? (char)_J : 127;
_Ans = (int)_K; }
else if (_F == _L || _S[_I] != *_F)
_Str[_K] = _J < 127 ? (char)_J : 127;
else
_Pfx = true; }
if (!_Pfx || _F == _L)
break; }
return (_Ans); }
// TEMPLATE FUNCTION _Maklocstr
#define _MAKLOCSTR(T, S) _Maklocstr(S, (T *)0)
template<class _E> inline
_E *__cdecl _Maklocstr(const char *_S, _E *)
{size_t _L = strlen(_S) + 1;
_E *_X = new _E[_L];
for (_E *_P = _X; 0 < _L; --_L, ++_P, ++_S)
*_P = _WIDEN(_E, *_S);
return (_X); }
// STRUCT codecvt_base
class _CRTIMP2 codecvt_base : public locale::facet {
public:
enum _Result {ok, partial, error, noconv};
_BITMASK(_Result, result);
codecvt_base(size_t _R = 0)
: locale::facet(_R) {}
bool always_noconv() const _THROW0()
{return (do_always_noconv()); }
int max_length() const _THROW0()
{return (do_max_length()); }
int encoding() const _THROW0()
{return (do_encoding()); }
protected:
virtual bool do_always_noconv() const _THROW0()
{return (true); }
virtual int do_max_length() const _THROW0()
{return (1); }
virtual int do_encoding() const _THROW0()
{return (1); }
};
_BITMASK_OPS(codecvt_base::_Result);
// TEMPLATE CLASS codecvt
template<class _E, class _To, class _St>
class codecvt : public codecvt_base {
public:
typedef _E from_type;
typedef _To to_type;
typedef _St state_type;
result in(_St& _State,
const _To *_F1, const _To *_L1, const _To *& _Mid1,
_E *_F2, _E *_L2, _E *& _Mid2) const
{return (do_in(_State,
_F1, _L1, _Mid1, _F2, _L2, _Mid2)); }
result out(_St& _State,
const _E *_F1, const _E *_L1, const _E *& _Mid1,
_To *_F2, _To *_L2, _To *& _Mid2) const
{return (do_out(_State,
_F1, _L1, _Mid1, _F2, _L2, _Mid2)); }
int length(_St& _State, const _E *_F1,
const _E *_L1, size_t _N2) const _THROW0()
{return (do_length(_State, _F1, _L1, _N2)); }
static locale::id id;
explicit codecvt(size_t _R = 0)
: codecvt_base(_R) {_Init(_Locinfo()); }
codecvt(const _Locinfo& _Lobj, size_t _R = 0)
: codecvt_base(_R) {_Init(_Lobj); }
static size_t __cdecl _Getcat()
{return (_LC_CTYPE); }
_PROTECTED:
virtual ~codecvt()
{};
protected:
void _Init(const _Locinfo& _Lobj)
{_Cvt = _Lobj._Getcvt(); }
virtual result do_in(_St& _State,
const _To *_F1, const _To *, const _To *& _Mid1,
_E *_F2, _E *, _E *& _Mid2) const
{_Mid1 = _F1, _Mid2 = _F2;
return (noconv); }
virtual result do_out(_St& _State,
const _E *_F1, const _E *, const _E *& _Mid1,
_To *_F2, _To *, _To *& _Mid2) const
{_Mid1 = _F1, _Mid2 = _F2;
return (noconv); }
virtual int do_length(_St& _State, const _E *_F1,
const _E *_L1, size_t _N2) const _THROW0()
{return (int)(_N2 < _L1 - _F1 ? _N2 : _L1 - _F1); }
private:
_Locinfo::_Cvtvec _Cvt;
};
template<class _E, class _To, class _St>
locale::id codecvt<_E, _To, _St>::id;
// CLASS codecvt<wchar_t, char, mbstate_t>
class _CRTIMP2 codecvt<wchar_t, char, mbstate_t> : public codecvt_base {
public:
typedef wchar_t _E;
typedef char _To;
typedef mbstate_t _St;
typedef _E from_type;
typedef _To to_type;
typedef _St state_type;
result in(_St& _State,
const _To *_F1, const _To *_L1, const _To *& _Mid1,
_E *_F2, _E *_L2, _E *& _Mid2) const
{return (do_in(_State,
_F1, _L1, _Mid1, _F2, _L2, _Mid2)); }
result out(_St& _State,
const _E *_F1, const _E *_L1, const _E *& _Mid1,
_To *_F2, _To *_L2, _To *& _Mid2) const
{return (do_out(_State,
_F1, _L1, _Mid1, _F2, _L2, _Mid2)); }
int length(_St& _State, const _E *_F1,
const _E *_L1, size_t _N2) const _THROW0()
{return (do_length(_State, _F1, _L1, _N2)); }
static locale::id id;
explicit codecvt(size_t _R = 0)
: codecvt_base(_R) {_Init(_Locinfo()); }
codecvt(const _Locinfo& _Lobj, size_t _R = 0)
: codecvt_base(_R) {_Init(_Lobj); }
static size_t __cdecl _Getcat()
{return (_LC_CTYPE); }
_PROTECTED:
virtual ~codecvt()
{};
protected:
void _Init(const _Locinfo& _Lobj)
{_Cvt = _Lobj._Getcvt(); }
virtual result do_in(_St& _State,
const _To *_F1, const _To *_L1, const _To *& _Mid1,
_E *_F2, _E *_L2, _E *& _Mid2) const
{_Mid1 = _F1, _Mid2 = _F2;
result _Ans = _Mid1 == _L1 ? ok : partial;
int _N;
while (_Mid1 != _L1 && _Mid2 != _L2)
switch (_N =
_Mbrtowc(_Mid2, _Mid1, (size_t) (_L1 - _Mid1),
&_State, &_Cvt))
{case -2:
_Mid1 = _L1;
return (_Ans);
case -1:
return (error);
case 0:
_N = (int)strlen(_Mid1) + 1;
default: // fall through
_Mid1 += _N, ++_Mid2, _Ans = ok; }
return (_Ans); }
virtual result do_out(_St& _State,
const _E *_F1, const _E *_L1, const _E *& _Mid1,
_To *_F2, _To *_L2, _To *& _Mid2) const
{_Mid1 = _F1, _Mid2 = _F2;
result _Ans = _Mid1 == _L1 ? ok : partial;
int _N;
while (_Mid1 != _L1 && _Mid2 != _L2)
if (MB_CUR_MAX <= _L2 - _Mid2)
if ((_N =
_Wcrtomb(_Mid2, *_Mid1, &_State,
&_Cvt)) <= 0)
return (error);
else
++_Mid1, _Mid2 += _N, _Ans = ok;
else
{_To _Buf[MB_LEN_MAX];
_St _Stsave = _State;
if ((_N =
_Wcrtomb(_Buf, *_Mid1, &_State,
&_Cvt)) <= 0)
return (error);
else if (_L2 - _Mid2 < _N)
{_State = _Stsave;
return (_Ans); }
else
{memcpy(_Mid2, _Buf, _N);
++_Mid1, _Mid2 += _N, _Ans = ok; }}
return (_Ans); }
virtual int do_length(_St& _State, const _E *_F1,
const _E *_L1, size_t _N2) const _THROW0()
{const _E *_Mid1;
_To _Buf[MB_LEN_MAX];
int _N;
for (_Mid1 = _F1; _Mid1 != _L1 && 0 < _N2;
++_Mid1, _N2 -= _N)
if ((_N =
_Wcrtomb(_Buf, *_Mid1, &_State, &_Cvt)) <= 0
|| _N2 < _N)
break;
return ((int) (_Mid1 - _F1)); }
virtual bool do_always_noconv() const _THROW0()
{return (false); }
virtual int do_max_length() const _THROW0()
{return (MB_LEN_MAX); }
virtual int do_encoding() const _THROW0()
{return (0); }
private:
_Locinfo::_Cvtvec _Cvt;
};
// TEMPLATE CLASS codecvt_byname
template<class _E, class _To, class _St>
class codecvt_byname : public codecvt<_E, _To, _St> {
public:
explicit codecvt_byname(const char *_S, size_t _R = 0)
: codecvt<_E, _To, _St>(_Locinfo(_S), _R) {}
_PROTECTED:
virtual ~codecvt_byname()
{}
};
// STRUCT ctype_base
struct _CRTIMP2 ctype_base : public locale::facet {
enum _Mask {alnum = _DI|_LO|_UP|_XA, alpha = _LO|_UP|_XA,
cntrl = _BB, digit = _DI, graph = _DI|_LO|_PU|_UP|_XA,
lower = _LO, print = _DI|_LO|_PU|_SP|_UP|_XA|_XD,
punct = _PU, space = _CN|_SP|_XS, upper = _UP,
xdigit = _XD};
// _BITMASK(_Mask, mask);
typedef short mask; // to match <ctype.h>
ctype_base(size_t _R = 0)
: locale::facet(_R) {}
};
// TEMPLATE CLASS ctype
template<class _E>
class ctype : public ctype_base {
public:
typedef _E char_type;
bool is(mask _M, _E _C) const
{return (do_is(_M, _C)); }
const _E *is(const _E *_F, const _E *_L, mask *_V) const
{return (do_is(_F, _L, _V)); }
const _E *scan_is(mask _M, const _E *_F,
const _E *_L) const
{return (do_scan_is(_M, _F, _L)); }
const _E *scan_not(mask _M, const _E *_F,
const _E *_L) const
{return (do_scan_not(_M, _F, _L)); }
_E tolower(_E _C) const
{return (do_tolower(_C)); }
const _E *tolower(_E *_F, const _E *_L) const
{return (do_tolower(_F, _L)); }
_E toupper(_E _C) const
{return (do_toupper(_C)); }
const _E *toupper(_E *_F, const _E *_L) const
{return (do_toupper(_F, _L)); }
_E widen(char _X) const
{return (do_widen(_X)); }
const char *widen(const char *_F, const char *_L,
_E *_V) const
{return (do_widen(_F, _L, _V)); }
char narrow(_E _C, char _D = '\0') const
{return (do_narrow(_C, _D)); }
const _E *narrow(const _E *_F, const _E *_L, char _D,
char *_V) const
{return (do_narrow(_F, _L, _D, _V)); }
static locale::id id;
explicit ctype(size_t _R = 0)
: ctype_base(_R) {_Init(_Locinfo()); }
ctype(const _Locinfo& _Lobj, size_t _R = 0)
: ctype_base(_R) {_Init(_Lobj); }
static size_t __cdecl _Getcat()
{return (_LC_CTYPE); }
_PROTECTED:
virtual ~ctype()
{if (_Ctype._Delfl)
free((void *)_Ctype._Table); }
protected:
void _Init(const _Locinfo& _Lobj)
{_Ctype = _Lobj._Getctype(); }
virtual bool do_is(mask _M, _E _C) const
{return ((_Ctype._Table[narrow(_C)] & _M) != 0); }
virtual const _E *do_is(const _E *_F, const _E *_L,
mask *_V) const
{for (; _F != _L; ++_F, ++_V)
*_V = _Ctype._Table[narrow(*_F)];
return (_F); }
virtual const _E *do_scan_is(mask _M, const _E *_F,
const _E *_L) const
{for (; _F != _L && !is(_M, *_F); ++_F)
;
return (_F); }
virtual const _E *do_scan_not(mask _M, const _E *_F,
const _E *_L) const
{for (; _F != _L && is(_M, *_F); ++_F)
;
return (_F); }
virtual _E do_tolower(_E _C) const
{return ((_E)widen((char)_Tolower(narrow(_C), &_Ctype))); }
virtual const _E *do_tolower(_E *_F, const _E *_L) const
{for (; _F != _L; ++_F)
*_F = (_E)_Tolower(*_F, &_Ctype);
return ((const _E *)_F); }
virtual _E do_toupper(_E _C) const
{return ((_E)widen((char)_Toupper(narrow(_C), &_Ctype))); }
virtual const _E *do_toupper(_E *_F, const _E *_L) const
{for (; _F != _L; ++_F)
*_F = (_E)_Toupper(*_F, &_Ctype);
return ((const _E *)_F); }
virtual _E do_widen(char _X) const
{return (_WIDEN(_E, _X)); }
virtual const char *do_widen(const char *_F, const char *_L,
_E *_V) const
{for (; _F != _L; ++_F, ++_V)
*_V = _WIDEN(_E, *_F);
return (_F); }
virtual char do_narrow(_E _C, char) const
{return ((char)_NARROW(_E, _C)); }
virtual const _E *do_narrow(const _E *_F, const _E *_L,
char, char *_V) const
{for (; _F != _L; ++_F, ++_V)
*_V = (char)_NARROW(_E, *_F);
return (_F); }
private:
_Locinfo::_Ctypevec _Ctype;
};
template<class _E>
locale::id ctype<_E>::id;
// CLASS ctype<char>
class _CRTIMP2 ctype<char> : public ctype_base {
public:
typedef char _E;
typedef _E char_type;
bool is(mask _M, _E _C) const
{return ((_Ctype._Table[(unsigned char)_C] & _M) != 0); }
const _E *is(const _E *_F, const _E *_L, mask *_V) const
{for (; _F != _L; ++_F, ++_V)
*_V = _Ctype._Table[(unsigned char)*_F];
return (_F); }
const _E *scan_is(mask _M, const _E *_F,
const _E *_L) const
{for (; _F != _L && !is(_M, *_F); ++_F)
;
return (_F); }
const _E *scan_not(mask _M, const _E *_F,
const _E *_L) const
{for (; _F != _L && is(_M, *_F); ++_F)
;
return (_F); }
_E tolower(_E _C) const
{return (do_tolower(_C)); }
const _E *tolower(_E *_F, const _E *_L) const
{return (do_tolower(_F, _L)); }
_E toupper(_E _C) const
{return (do_toupper(_C)); }
const _E *toupper(_E *_F, const _E *_L) const
{return (do_toupper(_F, _L)); }
_E widen(char _X) const
{return (_X); }
const _E *widen(const char *_F, const char *_L, _E *_V) const
{memcpy(_V, _F, (size_t) (_L - _F));
return (_L); }
_E narrow(_E _C, char _D = '\0') const
{return (_C); }
const _E *narrow(const _E *_F, const _E *_L, char _D,
char *_V) const
{memcpy(_V, _F, (size_t) (_L - _F));
return (_L); }
static locale::id id;
explicit ctype(const mask *_Tab = 0, bool _Df = false,
size_t _R = 0)
: ctype_base(_R)
{_Lockit Lk;
_Init(_Locinfo());
if (_Ctype._Delfl)
free((void *)_Ctype._Table), _Ctype._Delfl = false;
if (_Tab == 0)
_Ctype._Table = _Cltab;
else
_Ctype._Table = _Tab, _Ctype._Delfl = _Df; }
ctype(const _Locinfo& _Lobj, size_t _R = 0)
: ctype_base(_R) {_Init(_Lobj); }
static size_t __cdecl _Getcat()
{return (_LC_CTYPE); }
static const size_t table_size;
_PROTECTED:
virtual ~ctype()
{if (_Ctype._Delfl)
free((void *)_Ctype._Table); }
protected:
static void __cdecl _Term(void)
{free((void *)_Cltab); }
void _Init(const _Locinfo& _Lobj)
{_Lockit Lk;
_Ctype = _Lobj._Getctype();
if (_Cltab == 0)
{_Cltab = _Ctype._Table;
atexit(_Term);
_Ctype._Delfl = false; }}
virtual _E do_tolower(_E _C) const
{return (_E)(_Tolower((unsigned char)_C, &_Ctype)); }
virtual const _E *do_tolower(_E *_F, const _E *_L) const
{for (; _F != _L; ++_F)
*_F = (_E)_Tolower(*_F, &_Ctype);
return ((const _E *)_F); }
virtual _E do_toupper(_E _C) const
{return ((_E)_Toupper((unsigned char)_C, &_Ctype)); }
virtual const _E *do_toupper(_E *_F, const _E *_L) const
{for (; _F != _L; ++_F)
*_F = (_E)_Toupper(*_F, &_Ctype);
return ((const _E *)_F); }
const mask *table() const _THROW0()
{return (_Ctype._Table); }
static const mask * __cdecl classic_table() _THROW0()
{_Lockit Lk;
if (_Cltab == 0)
locale::classic(); // force locale::_Init() call
return (_Cltab); }
private:
_Locinfo::_Ctypevec _Ctype;
static const mask *_Cltab;
};
// TEMPLATE CLASS ctype_byname
template<class _E>
class ctype_byname : public ctype<_E> {
public:
explicit ctype_byname(const char *_S, size_t _R = 0)
: ctype<_E>(_Locinfo(_S), _R) {}
_PROTECTED:
virtual ~ctype_byname()
{}
};
#ifdef _DLL
#ifdef __FORCE_INSTANCE
template class _CRTIMP2 ctype<wchar_t>;
template class _CRTIMP2 codecvt<char, char, int>;
#else // __FORCE_INSTANCE
#pragma warning(disable:4231) /* the extern before template is a non-standard extension */
extern template class _CRTIMP2 ctype<wchar_t>;
extern template class _CRTIMP2 codecvt<char, char, int>;
#pragma warning(default:4231) /* restore previous warning */
#endif // __FORCE_INSTANCE
#endif // _DLL
_STD_END
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* _XLOCALE_ */
/*
* Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
* Consult your license regarding permissions and restrictions.
*/