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/*
* Copyright (c) 1999
* Silicon Graphics Computer Systems, Inc.
*
* Copyright (c) 1999
* Boris Fomitchev
*
* This material is provided "as is", with absolutely no warranty expressed
* or implied. Any use is at your own risk.
*
* Permission to use or copy this software for any purpose is hereby granted
* without fee, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*
*/
// WARNING: This is an internal header file, included by other C++
// standard library headers. You should not attempt to use this header
// file directly.
#ifndef _STLP_INTERNAL_CTYPE_H
#define _STLP_INTERNAL_CTYPE_H
#ifndef _STLP_C_LOCALE_H
# include <stl/c_locale.h>
#endif
#ifndef _STLP_INTERNAL_LOCALE_H
# include <stl/_locale.h>
#endif
#ifndef _STLP_INTERNAL_ALGOBASE_H
# include <stl/_algobase.h>
#endif
_STLP_BEGIN_NAMESPACE
class _STLP_CLASS_DECLSPEC ctype_base {
public:
enum mask {
space = _Locale_SPACE,
print = _Locale_PRINT,
cntrl = _Locale_CNTRL,
upper = _Locale_UPPER,
lower = _Locale_LOWER,
alpha = _Locale_ALPHA,
digit = _Locale_DIGIT,
punct = _Locale_PUNCT,
xdigit = _Locale_XDIGIT,
alnum = alpha | digit,
graph = alnum | punct
};
};
// ctype<> template
template <class charT> class ctype {};
template <class charT> class ctype_byname {};
//ctype specializations
_STLP_TEMPLATE_NULL
class _STLP_CLASS_DECLSPEC ctype<char> : public locale::facet, public ctype_base {
#ifndef _STLP_NO_WCHAR_T
# ifdef _STLP_MSVC
typedef ctype<wchar_t> _Wctype;
friend _Wctype;
# else
friend class ctype<wchar_t>;
# endif
#endif
public:
typedef char char_type;
explicit ctype(const mask* __tab = 0, bool __del = false, size_t __refs = 0);
bool is(mask __m, char __c) const
{ return ((*(_M_ctype_table+(unsigned char)__c)) & __m) != 0; }
const char* is(const char* __low, const char* __high, mask* __vec) const {
for (const char* __p = __low;__p != __high; ++__p, ++__vec) {
*__vec = _M_ctype_table[(unsigned char)*__p];
}
return __high;
}
const char* scan_is(mask __m, const char* __low, const char* __high) const;
const char* scan_not(mask __m, const char* __low, const char* __high) const;
char (toupper)(char __c) const { return do_toupper(__c); }
const char* (toupper)(char* __low, const char* __high) const {
return do_toupper(__low, __high);
}
char (tolower)(char __c) const { return do_tolower(__c); }
const char* (tolower)(char* __low, const char* __high) const {
return do_tolower(__low, __high);
}
char widen(char __c) const { return do_widen(__c); }
const char* widen(const char* __low, const char* __high, char* __to) const {
return do_widen(__low, __high, __to);
}
char narrow(char __c, char __dfault) const {
return do_narrow(__c, __dfault);
}
const char* narrow(const char* __low, const char* __high,
char __dfault, char* __to) const {
return do_narrow(__low, __high, __dfault, __to);
}
static _STLP_STATIC_DECLSPEC locale::id id;
_STLP_STATIC_CONSTANT(size_t, table_size = 256);
protected:
const mask* table() const _STLP_NOTHROW { return _M_ctype_table; }
static const mask* _STLP_CALL classic_table() _STLP_NOTHROW;
~ctype();
virtual char do_toupper(char __c) const;
virtual char do_tolower(char __c) const;
virtual const char* do_toupper(char* __low, const char* __high) const;
virtual const char* do_tolower(char* __low, const char* __high) const;
virtual char do_widen(char __c) const;
virtual const char* do_widen(const char* __low, const char* __high,
char* __to) const;
virtual char do_narrow(char __c, char /* dfault */ ) const;
virtual const char* do_narrow(const char* __low, const char* __high,
char /* dfault */, char* __to) const;
private:
struct _Is_mask {
mask __m;
_Is_mask(mask __x): __m(__x) {}
bool operator()(char __c) {return (__m & (unsigned char) __c) != 0;}
};
protected:
const mask* _M_ctype_table;
private:
bool _M_delete;
};
_STLP_TEMPLATE_NULL
class _STLP_CLASS_DECLSPEC ctype_byname<char>: public ctype<char> {
friend class _Locale_impl;
public:
explicit ctype_byname(const char*, size_t = 0);
~ctype_byname();
virtual char do_toupper(char __c) const;
virtual char do_tolower(char __c) const;
virtual const char* do_toupper(char*, const char*) const;
virtual const char* do_tolower(char*, const char*) const;
private:
ctype_byname(_Locale_ctype* __ctype)
: _M_ctype(__ctype)
{ _M_init(); }
void _M_init();
//explicitely defined as private to avoid warnings:
typedef ctype_byname<char> _Self;
ctype_byname(_Self const&);
_Self& operator = (_Self const&);
mask _M_byname_table[table_size];
_Locale_ctype* _M_ctype;
};
# ifndef _STLP_NO_WCHAR_T
_STLP_TEMPLATE_NULL
class _STLP_CLASS_DECLSPEC ctype<wchar_t> : public locale::facet, public ctype_base {
public:
typedef wchar_t char_type;
explicit ctype(size_t __refs = 0) : locale::facet(__refs) {}
bool is(mask __m, wchar_t __c) const
{ return do_is(__m, __c); }
const wchar_t* is(const wchar_t* __low, const wchar_t* __high,
mask* __vec) const
{ return do_is(__low, __high, __vec); }
const wchar_t* scan_is(mask __m,
const wchar_t* __low, const wchar_t* __high) const
{ return do_scan_is(__m, __low, __high); }
const wchar_t* scan_not (mask __m,
const wchar_t* __low, const wchar_t* __high) const
{ return do_scan_not(__m, __low, __high); }
wchar_t (toupper)(wchar_t __c) const { return do_toupper(__c); }
const wchar_t* (toupper)(wchar_t* __low, const wchar_t* __high) const
{ return do_toupper(__low, __high); }
wchar_t (tolower)(wchar_t __c) const { return do_tolower(__c); }
const wchar_t* (tolower)(wchar_t* __low, const wchar_t* __high) const
{ return do_tolower(__low, __high); }
wchar_t widen(char __c) const { return do_widen(__c); }
const char* widen(const char* __low, const char* __high,
wchar_t* __to) const
{ return do_widen(__low, __high, __to); }
char narrow(wchar_t __c, char __dfault) const
{ return do_narrow(__c, __dfault); }
const wchar_t* narrow(const wchar_t* __low, const wchar_t* __high,
char __dfault, char* __to) const
{ return do_narrow(__low, __high, __dfault, __to); }
static _STLP_STATIC_DECLSPEC locale::id id;
protected:
~ctype();
virtual bool do_is(mask __m, wchar_t __c) const;
virtual const wchar_t* do_is(const wchar_t*, const wchar_t*, mask*) const;
virtual const wchar_t* do_scan_is(mask,
const wchar_t*, const wchar_t*) const;
virtual const wchar_t* do_scan_not(mask,
const wchar_t*, const wchar_t*) const;
virtual wchar_t do_toupper(wchar_t __c) const;
virtual const wchar_t* do_toupper(wchar_t*, const wchar_t*) const;
virtual wchar_t do_tolower(wchar_t c) const;
virtual const wchar_t* do_tolower(wchar_t*, const wchar_t*) const;
virtual wchar_t do_widen(char c) const;
virtual const char* do_widen(const char*, const char*, wchar_t*) const;
virtual char do_narrow(wchar_t __c, char __dfault) const;
virtual const wchar_t* do_narrow(const wchar_t*, const wchar_t*,
char, char*) const;
};
_STLP_TEMPLATE_NULL
class _STLP_CLASS_DECLSPEC ctype_byname<wchar_t>: public ctype<wchar_t> {
friend class _Locale_impl;
public:
explicit ctype_byname(const char* __name, size_t __refs = 0);
protected:
~ctype_byname();
virtual bool do_is(mask __m, wchar_t __c) const;
virtual const wchar_t* do_is(const wchar_t*, const wchar_t*, mask*) const;
virtual const wchar_t* do_scan_is(mask,
const wchar_t*, const wchar_t*) const;
virtual const wchar_t* do_scan_not(mask,
const wchar_t*, const wchar_t*) const;
virtual wchar_t do_toupper(wchar_t __c) const;
virtual const wchar_t* do_toupper(wchar_t*, const wchar_t*) const;
virtual wchar_t do_tolower(wchar_t c) const;
virtual const wchar_t* do_tolower(wchar_t*, const wchar_t*) const;
private:
ctype_byname(_Locale_ctype* __ctype)
: _M_ctype(__ctype) {}
//explicitely defined as private to avoid warnings:
typedef ctype_byname<wchar_t> _Self;
ctype_byname(_Self const&);
_Self& operator = (_Self const&);
_Locale_ctype* _M_ctype;
};
# endif /* WCHAR_T */
_STLP_END_NAMESPACE
#endif /* _STLP_INTERNAL_CTYPE_H */
// Local Variables:
// mode:C++
// End:
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