gcc/libstdc++-v3/bits/locale_facets.h
Benjamin Kosnik cc4316b532 locale_facets.h: Tweak.
2000-06-02  Benjamin Kosnik  <bkoz@purist.soma.redhat.com>

	* bits/locale_facets.h: Tweak.
	* src/locale.cc (codecvt<wchar_t>): Tweak.

	* bits/locale_facets.h (_Format_cache): _S_ecks -> _S_x.
	* bits/locale_facets.tcc (num_get<char>::_M_extract): Fix for hex.

	* bits/basic_string.h: Move data member up.
	* src/string-inst.cc: Fix instantiations.
	* bits/string.tcc: Fix types.

From-SVN: r34371
2000-06-03 01:52:32 +00:00

1936 lines
52 KiB
C++

// Locale support -*- C++ -*-
// Copyright (C) 1997-2000 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library 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, or (at your option)
// any later version.
// This library 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 library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// ISO C++ 14882: 22.1 Locales
//
// Warning: this file is not meant for user inclusion. Use <locale>.
#ifndef _CPP_BITS_LOCFACETS_H
#define _CPP_BITS_LOCFACETS_H 1
#include <bits/std_ctime.h> // For struct tm
#include <bits/std_typeinfo.h> // For bad_cast, which shouldn't be here.
#include <bits/std_ios.h> // For ios_base
namespace std
{
// XXX This function is to be specialized for the "required" facets to
// be constructed lazily. The specializations must be declared after
// the definitions of the facets themselves; but they shouldn't be
// inline. Corresponding new's in locale::classic() should then be
// eliminated. Note that ctype<> should not get this treatment;
// see the use_facet<> specializations below.
//
struct _Bad_use_facet : public bad_cast
{
_Bad_use_facet() throw() {}
_Bad_use_facet(_Bad_use_facet const& __b) throw()
: bad_cast(__b) { }
_Bad_use_facet&
operator=(_Bad_use_facet const& __b) throw()
{
static_cast<bad_cast*>(this)->operator=(__b);
return *this;
}
virtual char const*
what() const throw();
virtual
~_Bad_use_facet() throw();
};
template<typename _Facet>
const _Facet&
_Use_facet_failure_handler(const locale&)
{ throw _Bad_use_facet(); }
// 22.2.1 The ctype category
// Include host-specific ctype enums for ctype_base.
#include <bits/ctype_base.h>
// 22.2.1.1 Template class ctype
// _Ctype_nois is the common base for ctype<char>. It lacks "do_is"
// and related virtuals. These are filled in by _Ctype, below.
template<typename _CharT>
class _Ctype_nois : public locale::facet, public ctype_base
{
// Types:
typedef _CharT char_type;
public:
char_type
toupper(char_type __c) const
{ return this->do_toupper(__c); }
const char_type*
toupper(char_type *__low, const char_type* __high) const
{ return this->do_toupper(__low, __high); }
char_type
tolower(char_type __c) const
{ return this->do_tolower(__c); }
const char_type*
tolower(char_type* __low, const char_type* __high) const
{ return this->do_tolower(__low, __high); }
char_type
widen(char __c) const
{ return this->do_widen(__c); }
const char*
widen(const char* __low, const char* __high, char_type* __to) const
{ return this->do_widen(__low, __high, __to); }
char
narrow(char_type __c, char __dfault) const
{ return this->do_narrow(__c, __dfault); }
const char_type*
narrow(const char_type* __low, const char_type* __high,
char __dfault, char *__to) const
{ return this->do_narrow(__low, __high, __dfault, __to); }
protected:
explicit
_Ctype_nois(size_t __refs = 0): locale::facet(__refs) { }
virtual
~_Ctype_nois() { }
virtual char_type
do_toupper(char_type) const = 0;
virtual const char_type*
do_toupper(char_type* __low, const char_type* __high) const = 0;
virtual char_type
do_tolower(char_type) const = 0;
virtual const char_type*
do_tolower(char_type* __low, const char_type* __high) const = 0;
virtual char_type
do_widen(char) const = 0;
virtual const char*
do_widen(const char* __low, const char* __high,
char_type* __dest) const = 0;
virtual char
do_narrow(char_type, char __dfault) const = 0;
virtual const char_type*
do_narrow(const char_type* __low, const char_type* __high,
char __dfault, char* __dest) const = 0;
};
template<typename _CharT>
class _Ctype : public _Ctype_nois<_CharT>
{
public:
// Types:
typedef _CharT char_type;
typedef typename _Ctype_nois<_CharT>::mask mask;
bool
is(mask __m, char_type __c) const
{ return this->do_is(__m, __c); }
const char_type*
is(const char_type *__lo, const char_type *__hi, mask *__vec) const
{ return this->do_is(__lo, __hi, __vec); }
const char_type*
scan_is(mask __m, const char_type* __lo, const char_type* __hi) const
{ return this->do_scan_is(__m, __lo, __hi); }
const char_type*
scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
{ return this->do_scan_not(__m, __lo, __hi); }
protected:
explicit
_Ctype(size_t __refs = 0) : _Ctype_nois<_CharT>(__refs) { }
virtual
~_Ctype() { }
virtual bool
do_is(mask __m, char_type __c) const = 0;
virtual const char_type*
do_is(const char_type* __lo, const char_type* __hi,
mask* __vec) const = 0;
virtual const char_type*
do_scan_is(mask __m, const char_type* __lo,
const char_type* __hi) const = 0;
virtual const char_type*
do_scan_not(mask __m, const char_type* __lo,
const char_type* __hi) const = 0;
};
template<typename _CharT>
class ctype : public _Ctype<_CharT>
{
public:
// Types:
typedef _CharT char_type;
typedef typename ctype::mask mask;
explicit
ctype(size_t __refs = 0) : _Ctype<_CharT>(__refs) { }
static locale::id id;
protected:
virtual
~ctype() { }
virtual bool
do_is(mask, char_type) const
{
// XXX Need definitions for these abstract mf's.
}
virtual const char_type*
do_is(const char_type*, const char_type*, mask*) const
{
// XXX Need definitions for these abstract mf's.
}
virtual const char_type*
do_scan_is(mask, const char_type*, const char_type*) const
{
// XXX Need definitions for these abstract mf's.
}
virtual const char_type*
do_scan_not(mask, const char_type*, const char_type*) const
{
// XXX Need definitions for these abstract mf's.
}
virtual char_type
do_toupper(char_type) const
{
// XXX Need definitions for these abstract mf's.
}
virtual const char_type*
do_toupper(char_type*, const char_type*) const
{
// XXX Need definitions for these abstract mf's.
}
virtual char_type
do_tolower(char_type) const
{
// XXX Need definitions for these abstract mf's.
}
virtual const char_type*
do_tolower(char_type*, const char_type*) const
{
// XXX Need definitions for these abstract mf's.
}
virtual char_type
do_widen(char) const
{
// XXX Need definitions for these abstract mf's.
}
virtual const char*
do_widen(const char*, const char*, char_type*) const
{
// XXX Need definitions for these abstract mf's.
}
virtual char
do_narrow(char_type, char) const
{
// XXX Need definitions for these abstract mf's.
}
virtual const char_type*
do_narrow(const char_type*, const char_type*, char, char*) const
{
// XXX Need definitions for these abstract mf's.
}
};
// 22.2.1.3 ctype specializations
// NB: Can use _Ctype_nois to actually implement the is
// functionality in the non-virtual (thus inline-able) member
// fuctions.
template<>
class ctype<char> : public _Ctype_nois<char>
{
public:
// Types:
typedef char char_type;
typedef ctype::mask mask;
typedef size_t __table_type;
private:
// Data Members:
bool _M_del;
__to_type const& _M_toupper;
__to_type const& _M_tolower;
const mask* const& _M_ctable;
const mask* _M_table;
public:
static locale::id id;
static const __table_type table_size = 1 +static_cast<unsigned char>(-1);
explicit
ctype(const mask* __table = 0, bool __del = false,
size_t __refs = 0) throw();
inline bool
is(mask __m, char __c) const throw();
inline const char*
is(const char* __low, const char* __high, mask* __vec) const throw();
inline const char*
scan_is(mask __m, const char* __low, const char* __high) const throw();
inline const char*
scan_not(mask __m, const char* __low, const char* __high) const throw();
protected:
virtual
~ctype();
inline const mask*
table() const throw()
{ return _M_table; }
inline const mask*
classic_table() throw()
{ return _M_ctable; }
virtual char_type
do_toupper(char_type) const;
virtual const char_type*
do_toupper(char_type* __low, const char_type* __high) const;
virtual char_type
do_tolower(char_type) const;
virtual const char_type*
do_tolower(char_type* __low, const char_type* __high) const;
virtual char_type
do_widen(char) const;
virtual const char*
do_widen(const char* __low, const char* __high,
char_type* __dest) const;
virtual char
do_narrow(char_type, char __dfault) const;
virtual const char_type*
do_narrow(const char_type* __low, const char_type* __high,
char __dfault, char* __dest) const;
};
template<>
const ctype<char>&
use_facet<const ctype<char> > (const locale& __loc);
#ifdef _GLIBCPP_USE_WCHAR_T
// ctype<wchar_t> specialization
template<>
class ctype<wchar_t> : public _Ctype<wchar_t>
{
public:
// Types:
typedef wchar_t char_type;
typedef ctype::mask mask;
typedef size_t __table_type;
private:
__to_type const& _M_toupper;
__to_type const& _M_tolower;
const mask* const& _M_ctable;
static const __table_type _S_table_size = ctype<char>::table_size;
public:
static locale::id id;
explicit
ctype(size_t __refs = 0) throw();
protected:
virtual
~ctype();
virtual bool
do_is(mask __m, char_type __c) const;
virtual const char_type*
do_is(const char_type* __lo, const char_type* __hi,
mask* __vec) const;
virtual const char_type*
do_scan_is(mask __m, const char_type* __lo,
const char_type* __hi) const;
virtual const char_type*
do_scan_not(mask __m, const char_type* __lo,
const char_type* __hi) const;
virtual char_type
do_toupper(char_type) const;
virtual const char_type*
do_toupper(char_type* __low, const char_type* __high) const;
virtual char_type
do_tolower(char_type) const;
virtual const char_type*
do_tolower(char_type* __low, const char_type* __high) const;
virtual char_type
do_widen(char) const;
virtual const char*
do_widen(const char* __low, const char* __high,
char_type* __dest) const;
virtual char
do_narrow(char_type, char __dfault) const;
virtual const char_type*
do_narrow(const char_type* __low, const char_type* __high,
char __dfault, char* __dest) const;
};
template<>
const ctype<wchar_t>&
use_facet< const ctype<wchar_t> > (const locale& __loc);
#endif //_GLIBCPP_USE_WCHAR_T
// Include host-specific ctype specializations.
#include <bits/ctype_specializations.h>
// 22.2.1.2 Template class ctype_byname
template<typename _CharT>
class ctype_byname : public ctype<_CharT>
{
public:
typedef _CharT char_type;
explicit
ctype_byname(const char*, size_t __refs = 0);
protected:
virtual
~ctype_byname() { }
};
// 22.2.1.4 Class ctype_byname specializations
template<>
ctype_byname<char>::ctype_byname(const char*, size_t refs);
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
ctype_byname<wchar_t>::ctype_byname(const char*, size_t refs);
#endif
// 22.2.1.5 Template class codecvt
class codecvt_base
{
public:
enum result
{
ok,
partial,
error,
noconv
};
};
template<typename _InternT, typename _ExternT, typename _StateT>
class _Codecvt : public locale::facet, public codecvt_base
{
public:
// Types:
typedef _InternT intern_type;
typedef _ExternT extern_type;
typedef _StateT state_type;
protected:
explicit
_Codecvt (size_t __refs = 0) : locale::facet(__refs) { }
public:
result
out(state_type& __state, const intern_type* __from,
const intern_type* __from_end, const intern_type* &__from_next,
extern_type* __to, extern_type* __to_limit,
extern_type*& __to_next) const
{
return do_out(__state, __from, __from_end, __from_next, __to,
__to_limit, __to_next);
}
result
unshift(state_type& __state, extern_type* __to, extern_type* __to_limit,
extern_type*& __to_next) const
{ return do_unshift(__state, __to,__to_limit,__to_next); }
result
in(state_type& __state, const extern_type* __from,
const extern_type* __from_end, const extern_type*& __from_next,
intern_type* __to, intern_type* __to_limit,
intern_type*& __to_next) const
{
return do_in(__state, __from, __from_end, __from_next,
__to, __to_limit, __to_next);
}
int
encoding() const throw()
{ return do_encoding(); }
bool
always_noconv() const throw()
{ return do_always_noconv(); }
int
length(const state_type& __state, const extern_type* __from,
const extern_type* __end, size_t __max) const
{ return do_length(__state, __from, __end, __max); }
int
max_length() const throw()
{ return do_max_length(); }
protected:
virtual
~_Codecvt() { }
virtual result
do_out(state_type& __state,
const intern_type* __from, const intern_type* __from_end,
const intern_type*& __from_next,
extern_type* __to, extern_type* __to_limit,
extern_type*& __to_next) const = 0;
virtual result
do_unshift(state_type& __state,
extern_type* __to, extern_type* __to_limit,
extern_type*& __to_next) const = 0;
virtual result
do_in(state_type& __state,
const extern_type* __from, const extern_type* __from_end,
const extern_type*& __from_next,
intern_type* __to, intern_type* __to_limit,
intern_type*& __to_next) const = 0;
virtual int
do_encoding() const throw() = 0;
virtual bool
do_always_noconv() const throw() = 0;
virtual int
do_length(const state_type&, const extern_type* __from,
const extern_type* __end, size_t __max) const = 0;
virtual int
do_max_length() const throw() = 0;
};
template<typename _InternT, typename _ExternT, typename _StateT>
class codecvt : public _Codecvt<_InternT,_ExternT,_StateT>
{
public:
// Types:
typedef _InternT intern_type;
typedef _ExternT extern_type;
typedef _StateT state_type;
// Data Members:
static locale::id id;
explicit
codecvt(size_t __refs = 0)
: _Codecvt<_InternT,_ExternT,_StateT> (__refs) { }
protected:
virtual
~codecvt() { }
};
// codecvt<char,char,mbstate_t> specialization
template<>
class codecvt<char, char, mbstate_t>
: public _Codecvt<char, char, mbstate_t>
{
public:
// Types:
typedef char intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
explicit codecvt (size_t __refs = 0);
static locale::id id;
protected:
virtual ~codecvt();
virtual result
do_out(state_type& __state, const intern_type* __from,
const intern_type* __from_end, const intern_type*& __from_next,
extern_type* __to, extern_type* __to_limit,
extern_type*& __to_next) const;
virtual result
do_unshift(state_type& __state, extern_type* __to,
extern_type* __to_limit, extern_type*& __to_next) const;
virtual result
do_in(state_type& __state, const extern_type* __from,
const extern_type* __from_end, const extern_type*& __from_next,
intern_type* __to, intern_type* __to_limit,
intern_type*& __to_next) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(const state_type&, const extern_type* __from,
const extern_type* __end, size_t __max) const;
virtual int do_max_length() const throw();
};
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
class codecvt<wchar_t,char,mbstate_t>
: public _Codecvt<wchar_t,char,mbstate_t>
{
public:
// Types:
typedef wchar_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
explicit codecvt(size_t __refs = 0);
static locale::id id;
protected:
virtual ~codecvt();
virtual result
do_out(state_type& __state, const intern_type* __from,
const intern_type* __from_end, const intern_type*& __from_next,
extern_type* __to, extern_type* __to_limit,
extern_type*& __to_next) const;
virtual result
do_unshift(state_type& __state,
extern_type* __to, extern_type* __to_limit,
extern_type*& __to_next) const;
virtual result
do_in(state_type& __state,
const extern_type* __from, const extern_type* __from_end,
const extern_type*& __from_next,
intern_type* __to, intern_type* __to_limit,
intern_type*& __to_next) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(const state_type&, const extern_type* __from,
const extern_type* __end, size_t __max) const;
virtual int do_max_length() const throw();
};
#endif //_GLIBCPP_USE_WCHAR_T
// 22.2.1.6 Template class codecvt_byname
template<typename _InternT, typename _ExternT, typename _StateT>
class codecvt_byname : public codecvt<_InternT,_ExternT,_StateT>
{
public:
explicit
codecvt_byname(const char*, size_t __refs = 0)
: codecvt<_InternT,_ExternT,_StateT> (__refs) { }
protected:
virtual
~codecvt_byname() { }
};
template<>
class codecvt_byname<char,char,mbstate_t>
: public codecvt<char,char,mbstate_t>
{
public:
explicit
codecvt_byname(const char*, size_t __refs = 0);
protected:
virtual
~codecvt_byname();
};
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
class codecvt_byname<wchar_t,char,mbstate_t>
: public codecvt<wchar_t,char,mbstate_t>
{
public:
explicit
codecvt_byname(const char*, size_t __refs = 0);
protected:
virtual
~codecvt_byname();
};
#endif
template<typename _CharT, typename _InIter>
class _Numeric_get; // forward
// _Format_cache holds the information extracted from the numpunct<>
// and moneypunct<> facets in a form optimized for parsing and
// formatting. It is stored via a void* pointer in the pword()
// array of an iosbase object passed to the _get and _put facets.
// NB: contains no user-serviceable parts.
template<typename _CharT>
class _Format_cache
{
public:
// Types:
typedef _CharT char_type;
typedef char_traits<_CharT> traits_type;
typedef basic_string<_CharT> string_type;
typedef typename string_type::size_type size_type;
// Forward decls and Friends:
friend class locale;
template<typename _Char, typename _InIter>
friend class _Numeric_get;
friend class num_get<_CharT>;
friend class num_put<_CharT>;
friend class time_get<_CharT>;
friend class money_get<_CharT>;
friend class time_put<_CharT>;
friend class money_put<_CharT>;
// Data Members:
// ios_base::pword() reserved cell
static int _S_pword_ix;
// True iff data members are consistent with the current locale,
// ie imbue sets this to false.
bool _M_valid;
// A list of valid numeric literals: for the standard "C" locale,
// this would usually be: "-+xX0123456789abcdef0123456789ABCDEF"
static const char _S_literals[];
// NB: Code depends on the order of definitions of the names
// these are indices into _S_literals, above.
// This string is formatted for putting, not getting. (output, not input)
enum
{
_S_minus,
_S_plus,
_S_x,
_S_X,
_S_digits,
_S_digits_end = _S_digits + 16,
_S_udigits = _S_digits_end,
_S_udigits_end = _S_udigits + 16,
_S_ee = _S_digits + 14, // For scientific notation, 'E'
_S_Ee = _S_udigits + 14 // For scientific notation, 'e'
};
// The sign used to separate decimal values: for standard US
// locales, this would usually be: "."
// Abstracted from numpunct::decimal_point().
char_type _M_decimal_point;
// The sign used to separate groups of digits into smaller
// strings that the eye can parse with less difficulty: for
// standard US locales, this would usually be: ","
// Abstracted from numpunct::thousands_sep().
char_type _M_thousands_sep;
// However the US's "false" and "true" are translated.
// From numpunct::truename() and numpunct::falsename(), respectively.
string_type _M_truename;
string_type _M_falsename;
// If we are checking groupings. This should be equivalent to
// numpunct::groupings().size() != 0
bool _M_use_grouping;
// If we are using numpunct's groupings, this is the current
// grouping string in effect (from numpunct::grouping()).
string _M_grouping;
_Format_cache();
~_Format_cache() throw() { }
// Given a member of the ios heirarchy as an argument, extract
// out all the current formatting information into a
// _Format_cache object and return a pointer to it.
static _Format_cache<_CharT>*
_S_get(ios_base& __ios);
void
_M_populate(ios_base&);
static void
_S_callback(ios_base::event __event, ios_base& __ios, int __ix) throw();
};
template<> _Format_cache<char>::_Format_cache();
#ifdef _GLIBCPP_USE_WCHAR_T
template<> _Format_cache<wchar_t>::_Format_cache();
#endif
// _Numeric_get is used by num_get, money_get, and time_get to help
// in parsing out numbers.
template<typename _CharT, typename _InIter>
class _Numeric_get
{
public:
// Types:
typedef _CharT char_type;
typedef _InIter iter_type;
// Forward decls and Friends:
template<typename _Char, typename _InIterT>
friend class num_get;
template<typename _Char, typename _InIterT>
friend class time_get;
template<typename _Char, typename _InIterT>
friend class money_get;
template<typename _Char, typename _InIterT>
friend class num_put;
template<typename _Char, typename _InIterT>
friend class time_put;
template<typename _Char, typename _InIterT>
friend class money_put;
private:
explicit
_Numeric_get() { }
virtual
~_Numeric_get() { }
iter_type
_M_get_digits(iter_type __in, iter_type __end) const;
};
template<typename _CharT, typename _InIter>
class num_get : public locale::facet
{
public:
// Types:
typedef _CharT char_type;
typedef _InIter iter_type;
typedef char_traits<_CharT> __traits_type;
explicit
num_get(size_t __refs = 0) : locale::facet(__refs) { }
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, bool& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, short& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, int& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
#endif
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, long& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
#ifdef _GLIBCPP_USE_LONG_LONG
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, long long& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
#endif
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, unsigned short& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, unsigned int& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, unsigned long& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
#ifdef _GLIBCPP_USE_LONG_LONG
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, unsigned long long& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
#endif
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, float& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, double& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, long double& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
iter_type
get(iter_type __in, iter_type __end, ios_base& __io,
ios_base::iostate& __err, void*& __v) const
{ return do_get(__in, __end, __io, __err, __v); }
static locale::id id;
protected:
virtual ~num_get() { }
// This consolidates the extraction, storage and
// error-processing parts of the do_get(...) overloaded member
// functions. NB: this is specialized for char.
void
_M_extract(iter_type __beg, iter_type __end, ios_base& __io,
ios_base::iostate& __err, char* __xtrc,
int& __base, bool __fp = true) const;
virtual iter_type
do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const;
#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
virtual iter_type
do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, short&) const;
virtual iter_type
do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, int&) const;
#endif
virtual iter_type
do_get (iter_type, iter_type, ios_base&, ios_base::iostate&, long&) const;
#ifdef _GLIBCPP_USE_LONG_LONG
virtual iter_type
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
long long&) const;
#endif
virtual iter_type
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
unsigned short&) const;
virtual iter_type
do_get(iter_type, iter_type, ios_base&,
ios_base::iostate& __err, unsigned int&) const;
virtual iter_type
do_get(iter_type, iter_type, ios_base&,
ios_base::iostate& __err, unsigned long&) const;
#ifdef _GLIBCPP_USE_LONG_LONG
virtual iter_type
do_get(iter_type, iter_type, ios_base&,
ios_base::iostate& __err, unsigned long long&) const;
#endif
virtual iter_type
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
float&) const;
virtual iter_type
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
double&) const;
virtual iter_type
do_get(iter_type, iter_type, ios_base&,
ios_base::iostate& __err, long double&) const;
virtual iter_type
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
void*&) const;
};
// Declare specialized extraction member function.
template<>
void
num_get<char, istreambuf_iterator<char> >::
_M_extract(istreambuf_iterator<char> __beg,
istreambuf_iterator<char> __end, ios_base& __io,
ios_base::iostate& __err, char* __xtrc,
int& __base, bool __fp) const;
// _Numeric_put is used by num_put, money_put, and time_put
// to help in formatting out numbers.
template<typename _CharT, typename _OutIter>
class _Numeric_put
{
public:
typedef _CharT char_type;
typedef _OutIter iter_type;
protected:
explicit
_Numeric_put() { }
virtual
~_Numeric_put() { }
};
template<typename _CharT, typename _OutIter>
class num_put : public locale::facet
{
public:
// Types:
typedef _CharT char_type;
typedef _OutIter iter_type;
explicit
num_put(size_t __refs = 0) : locale::facet(__refs) { }
iter_type
put(iter_type __s, ios_base& __f, char_type __fill, bool __v) const
{ return do_put(__s, __f, __fill, __v); }
iter_type
put(iter_type __s, ios_base& __f, char_type __fill, long __v) const
{ return do_put(__s, __f, __fill, __v); }
iter_type
put(iter_type __s, ios_base& __f, char_type __fill,
unsigned long __v) const
{ return do_put(__s, __f, __fill, __v); }
#ifdef _GLIBCPP_USE_LONG_LONG
iter_type
put(iter_type __s, ios_base& __f, char_type __fill, long long __v) const
{ return do_put(__s, __f, __fill, __v); }
iter_type
put(iter_type __s, ios_base& __f, char_type __fill,
unsigned long long __v) const
{ return do_put(__s, __f, __fill, __v); }
#endif
iter_type
put(iter_type __s, ios_base& __f, char_type __fill, double __v) const
{ return do_put(__s, __f, __fill, __v); }
iter_type
put(iter_type __s, ios_base& __f, char_type __fill,
long double __v) const
{ return do_put(__s, __f, __fill, __v); }
iter_type
put(iter_type __s, ios_base& __f, char_type __fill,
const void* __v) const
{ return do_put(__s, __f, __fill, __v); }
static locale::id id;
protected:
virtual
~num_put() { };
virtual iter_type
do_put(iter_type, ios_base&, char_type __fill, bool __v) const;
virtual iter_type
do_put(iter_type, ios_base&, char_type __fill, long __v) const;
#ifdef _GLIBCPP_USE_LONG_LONG
virtual iter_type
do_put(iter_type, ios_base&, char_type __fill, long long __v) const;
#endif
virtual iter_type
do_put(iter_type, ios_base&, char_type __fill, unsigned long) const;
#ifdef _GLIBCPP_USE_LONG_LONG
virtual iter_type
do_put(iter_type, ios_base&, char_type __fill, unsigned long long) const;
#endif
virtual iter_type
do_put(iter_type, ios_base&, char_type __fill, double __v) const;
virtual iter_type
do_put(iter_type, ios_base&, char_type __fill, long double __v) const;
virtual iter_type
do_put(iter_type, ios_base&, char_type __fill, const void* __v) const;
};
template<typename _CharT>
class _Punct : public locale::facet
{
public:
// Types:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
char_type
decimal_point() const
{ return do_decimal_point(); }
char_type
thousands_sep() const
{ return do_thousands_sep(); }
string
grouping() const
{ return do_grouping(); }
protected:
explicit
_Punct(size_t __refs = 0) : locale::facet(__refs) { }
virtual
~_Punct() { }
virtual char_type
do_decimal_point() const
{ return _M_decimal_point; }
virtual char_type
do_thousands_sep() const
{ return _M_thousands_sep; }
virtual string
do_grouping() const
{ return _M_grouping; }
private:
char_type _M_decimal_point;
char_type _M_thousands_sep;
string _M_grouping;
protected:
// for use at construction time only:
void
_M_init(char_type __d, char_type __t, const string& __g)
{
_M_decimal_point = __d;
_M_thousands_sep = __t;
_M_grouping = __g;
}
};
template<typename _CharT>
class _Numpunct : public _Punct<_CharT>
{
public:
// Types:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
string_type
truename() const
{ return do_truename(); }
string_type
falsename() const
{ return do_falsename(); }
protected:
explicit
_Numpunct(size_t __refs = 0) : _Punct<_CharT> (__refs) { }
virtual
~_Numpunct() { }
virtual string_type
do_truename() const
{ return _M_truename; }
virtual string_type
do_falsename() const
{ return _M_falsename; }
private:
string_type _M_truename;
string_type _M_falsename;
protected:
// For use only during construction
void
_M_init_boolnames(const string_type& __t, const string_type& __f)
{
_M_truename = __t;
_M_falsename = __f;
}
};
template<typename _CharT>
class numpunct : public _Numpunct<_CharT>
{
public:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
static locale::id id;
explicit
numpunct(size_t __refs = 0) : _Numpunct<_CharT>(__refs) { }
protected:
virtual
~numpunct() { }
};
template<>
numpunct<char>::numpunct(size_t __refs): _Numpunct<char>(__refs)
{
_M_init('.', ',', "");
_M_init_boolnames("true", "false");
}
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
numpunct<wchar_t>::numpunct(size_t __refs): _Numpunct<wchar_t>(__refs)
{
_M_init(L'.', L',', "");
_M_init_boolnames(L"true", L"false");
}
#endif
template<typename _CharT>
class numpunct_byname : public numpunct<_CharT>
{
public:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
explicit
numpunct_byname(const char*, size_t __refs = 0);
protected:
virtual
~numpunct_byname() { }
};
template<>
numpunct_byname<char>::numpunct_byname(const char*, size_t __refs);
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
numpunct_byname<wchar_t>::numpunct_byname(const char*, size_t __refs);
#endif
template<typename _CharT>
class _Collate : public locale::facet
{
public:
// Types:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
int
compare(const _CharT* __lo1, const _CharT* __hi1,
const _CharT* __lo2, const _CharT* __hi2) const
{ return do_compare(__lo1, __hi1, __lo2, __hi2); }
string_type
transform(const _CharT* __lo, const _CharT* __hi) const
{ return do_transform(__lo, __hi); }
long
hash(const _CharT* __lo, const _CharT* __hi) const
{ return do_hash(__lo, __hi); }
protected:
explicit
_Collate(size_t __refs = 0) : locale::facet(__refs) { }
~_Collate() { } // virtual
virtual int
do_compare(const _CharT* __lo1, const _CharT* __hi1,
const _CharT* __lo2, const _CharT* __hi2) const = 0;
virtual string_type
do_transform(const _CharT* __lo, const _CharT* __hi) const = 0;
virtual long
do_hash(const _CharT* __lo, const _CharT* __hi) const = 0;
};
template<typename _CharT>
class collate : public _Collate<_CharT>
{
public:
// Types:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
explicit
collate(size_t __refs = 0) : _Collate<_CharT> (__refs) { }
static locale::id id;
protected:
virtual
~collate() { }
};
template<>
class collate<char> : public _Collate<char>
{
public:
// Types:
typedef char char_type;
typedef basic_string<char> string_type;
explicit
collate(size_t __refs = 0);
static locale::id id;
protected:
virtual
~collate();
virtual int
do_compare(const char* __lo1, const char* __hi1,
const char* __lo2, const char* __hi2) const;
virtual string_type
do_transform(const char* __lo, const char* __hi) const;
virtual long
do_hash(const char* __lo, const char* __hi) const;
};
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
class collate<wchar_t> : public _Collate<wchar_t>
{
public:
// Types:
typedef wchar_t char_type;
typedef basic_string<wchar_t> string_type;
explicit
collate(size_t __refs = 0);
static locale::id id;
protected:
virtual
~collate();
virtual int
do_compare(const wchar_t* __lo1, const wchar_t* __hi1,
const wchar_t* __lo2, const wchar_t* __hi2) const;
virtual string_type
do_transform(const wchar_t* __lo, const wchar_t* __hi) const;
virtual long
do_hash(const wchar_t* __lo, const wchar_t* __hi) const;
};
#endif
template<typename _CharT>
class collate_byname : public collate<_CharT>
{
public:
// Types:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
explicit
collate_byname(const char*, size_t __refs = 0);
protected:
virtual
~collate_byname() { }
};
template<>
collate_byname<char>::collate_byname(const char*, size_t __refs);
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
collate_byname<wchar_t>::collate_byname(const char*, size_t __refs);
#endif
class time_base
{
public:
enum dateorder { no_order, dmy, mdy, ymd, ydm };
};
template<typename _CharT, typename _InIter>
class time_get : public locale::facet, public time_base
{
public:
// Types:
typedef _CharT char_type;
typedef _InIter iter_type;
explicit
time_get(size_t __refs = 0)
: locale::facet (__refs), _M_daynames(0), _M_monthnames(0) { }
dateorder
date_order() const
{ return do_date_order(); }
iter_type
get_time(iter_type __s, iter_type __end, ios_base& __f,
ios_base::iostate& __err, tm* __t) const
{ return do_get_time(__s, __end, __f, __err, __t); }
iter_type
get_date(iter_type __s, iter_type __end, ios_base& __f,
ios_base::iostate& __err, tm* __t) const
{ return do_get_date(__s, __end, __f, __err, __t); }
iter_type
get_weekday(iter_type __s, iter_type __end, ios_base& __f,
ios_base::iostate& __err, tm* __t) const
{ return do_get_weekday(__s,__end,__f,__err,__t); }
iter_type
get_monthname(iter_type __s, iter_type __end, ios_base& __f,
ios_base::iostate& __err, tm* __t) const
{ return do_get_monthname(__s,__end,__f,__err,__t); }
iter_type
get_year(iter_type __s, iter_type __end, ios_base& __f,
ios_base::iostate& __err, tm* __t) const
{ return do_get_year(__s,__end,__f,__err,__t); }
static locale::id id;
protected:
virtual
~time_get()
{
delete [] _M_monthnames;
delete [] _M_daynames;
}
virtual dateorder
do_date_order() const
{ return time_base::ymd; }
virtual iter_type
do_get_time(iter_type __s, iter_type /*__end*/, ios_base&,
ios_base::iostate& /*__err*/, tm* /*__t*/) const
{ return __s; }
virtual iter_type
do_get_date(iter_type __s, iter_type /*__end*/, ios_base&,
ios_base::iostate& /*__err*/, tm* /*__t*/) const
{ return __s; }
virtual iter_type
do_get_weekday(iter_type __s, iter_type __end, ios_base&,
ios_base::iostate& __err, tm* __t) const;
virtual iter_type
do_get_monthname(iter_type __s, iter_type __end, ios_base&,
ios_base::iostate& __err, tm* __t) const;
virtual iter_type
do_get_year(iter_type __s, iter_type /*__end*/, ios_base&,
ios_base::iostate& /*__err*/, tm* /*__t*/) const
{ return __s; }
mutable basic_string<_CharT>* _M_daynames;
mutable basic_string<_CharT>* _M_monthnames;
};
template<typename _CharT, typename _InIter>
class time_get_byname : public time_get<_CharT, _InIter>
{
public:
typedef _CharT char_type;
typedef _InIter iter_type;
explicit
time_get_byname(const char*, size_t __refs = 0)
: time_get<_CharT, _InIter>(__refs) { }
protected:
virtual
~time_get_byname() { }
};
template<typename _CharT, typename _OutIter>
class time_put : public locale::facet, public time_base
{
public:
typedef _CharT char_type;
typedef _OutIter iter_type;
explicit
time_put(size_t __refs = 0) : locale::facet (__refs) { }
// NB: this is a nonvirtual, calls do_put in a loop.
iter_type
put(iter_type __s, ios_base& /*__f*/, char_type /*__fill*/,
const tm* /*__tmb*/, const _CharT* /*__pattern*/,
const _CharT* /*__pat_end*/) const
{ return __s; }
iter_type
put(iter_type __s, ios_base& __f, char_type __fill,
const tm* __tmb, char __format, char __modifier = 0) const
{ return do_put(__s, __f, __fill, __tmb, __format, __modifier); }
static locale::id id;
protected:
virtual
~time_put() { }
virtual iter_type
do_put(iter_type __s, ios_base&, char_type, const tm* /*__t*/,
char /*__format*/, char /*__mod*/) const
{ return __s; }
};
template<typename _CharT, typename _OutIter>
class time_put_byname : time_put<_CharT, _OutIter>
{
public:
typedef _CharT char_type;
typedef _OutIter iter_type;
explicit
time_put_byname(const char*, size_t __refs = 0)
: time_put<_CharT, _OutIter> (__refs) { }
protected:
virtual
~time_put_byname() { }
};
template<typename _CharT, typename _InIter>
class money_get : public locale::facet
{
public:
typedef _CharT char_type;
typedef _InIter iter_type;
typedef basic_string<_CharT> string_type;
explicit
money_get(size_t __refs = 0) : locale::facet(__refs) { }
iter_type
get(iter_type __s, iter_type __end, bool __intl,
ios_base& __f, ios_base::iostate& __err, long double& __units) const
{ return do_get(__s, __end, __intl, __f, __err, __units); }
iter_type
get(iter_type __s, iter_type __end, bool __intl, ios_base& __f,
ios_base::iostate& __err, string_type& __digits) const
{ return do_get(__s, __end, __intl, __f, __err, __digits); }
static locale::id id;
protected:
virtual
~money_get() { }
virtual iter_type
do_get(iter_type __s, iter_type /*__end*/, bool /*__intl*/,
ios_base& /*__io*/, ios_base::iostate& /*__err*/,
long double& /*__units*/) const
{ return __s; }
virtual iter_type
do_get(iter_type __s, iter_type /*__end*/, bool /*__intl*/,
ios_base& /*__io*/, ios_base::iostate& /*__err*/,
string_type& /*__digits*/) const
{ return __s; }
};
template<typename _CharT, typename _OutIter>
class money_put : public locale::facet
{
public:
typedef _CharT char_type;
typedef _OutIter iter_type;
typedef basic_string<_CharT> string_type;
explicit
money_put(size_t __refs = 0) : locale::facet(__refs) { }
iter_type
put(iter_type __s, bool __intl, ios_base& __f,
char_type __fill, long double __units) const
{ return do_put(__s, __intl, __f, __fill, __units); }
iter_type
put(iter_type __s, bool __intl, ios_base& __f,
char_type __fill, const string_type& __digits) const
{ return do_put(__s, __intl, __f, __fill, __digits); }
static locale::id id;
protected:
virtual
~money_put() { }
virtual iter_type
do_put(iter_type __s, bool, ios_base& /*__io*/, char_type /*__fill*/,
long double /*__units*/) const
{ return __s; }
virtual iter_type
do_put(iter_type __s, bool, ios_base& /*__io*/, char_type /*__fill*/,
const string_type& /*__digits*/) const
{ return __s; }
};
struct money_base
{
enum part { none, space, symbol, sign, value };
struct pattern { char field[4]; };
static const pattern __default_pattern;
};
template<typename _CharT>
class _Moneypunct : public _Punct<_CharT>, public money_base
{
public:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
string_type
curr_symbol() const
{ return do_curr_symbol(); }
string_type
positive_sign() const
{ return do_positive_sign(); }
string_type
negative_sign() const
{ return do_negative_sign(); }
int
frac_digits() const
{ return do_frac_digits(); }
pattern
pos_format() const
{ return do_pos_format(); }
pattern
neg_format() const
{ return do_neg_format(); }
protected:
explicit
_Moneypunct(size_t __refs = 0) : _Punct<_CharT> (__refs) { }
virtual
~_Moneypunct() { }
virtual string_type
do_curr_symbol() const
{ return basic_string<_CharT>(); }
virtual string_type
do_positive_sign() const
{ return basic_string<_CharT>(); }
virtual string_type
do_negative_sign() const
{ return basic_string<_CharT>(); }
virtual int
do_frac_digits() const
{ return 0; }
virtual pattern
do_pos_format() const
{
return money_base::__default_pattern;
}
virtual pattern
do_neg_format() const
{
return money_base::__default_pattern;
}
};
template<typename _CharT, bool _Intl>
class moneypunct : public _Moneypunct<_CharT>
{
public:
// Types:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
static const bool intl = _Intl;
static locale::id id;
explicit
moneypunct(size_t __refs = 0) : _Moneypunct<_CharT> (__refs) { }
protected:
virtual
~moneypunct() { }
};
template<typename _CharT, bool _Intl>
class moneypunct_byname : public moneypunct<_CharT,_Intl>
{
public:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
static const bool intl = _Intl;
explicit
moneypunct_byname(const char*, size_t __refs = 0);
protected:
virtual
~moneypunct_byname() { }
};
template<>
moneypunct_byname<char, false>::
moneypunct_byname(const char*, size_t __refs);
template<>
moneypunct_byname<char, true>::
moneypunct_byname(const char*, size_t __refs);
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
moneypunct_byname<wchar_t,false>::
moneypunct_byname(const char*, size_t __refs);
template<>
moneypunct_byname<wchar_t,true>::
moneypunct_byname (const char*, size_t __refs);
#endif
struct messages_base
{
typedef int catalog;
};
template<typename _CharT>
class _Messages : public locale::facet, public messages_base
{
public:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
catalog
open(const basic_string<char>& __s, const locale& __loc) const
{ return do_open(__s, __loc); }
string_type
get(catalog __c, int __set, int __msgid, const string_type& __s) const
{ return do_get(__c,__set,__msgid,__s); }
void
close(catalog __c) const
{ return do_close(__c); }
protected:
explicit
_Messages(size_t __refs = 0) : locale::facet(__refs) { }
virtual
~_Messages() { }
// NB: Probably these should be pure, and implemented only in
// specializations of messages<>. But for now...
virtual catalog
do_open(const basic_string<char>&, const locale&) const
{ return 0; }
virtual string_type
do_get(catalog, int, int /*__msgid*/, const string_type& __dfault) const
{ return __dfault; }
virtual void
do_close (catalog) const { }
};
template<typename _CharT>
class messages : public _Messages<_CharT>
{
public:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
static locale::id id;
explicit
messages(size_t __refs = 0) : _Messages<_CharT> (__refs) { }
protected:
virtual
~messages() { }
};
template<typename _CharT>
class messages_byname : public messages<_CharT>
{
public:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
explicit
messages_byname(const char*, size_t __refs = 0);
protected:
virtual
~messages_byname() { }
};
template<>
messages_byname<char>::messages_byname(const char*, size_t __refs);
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
messages_byname<wchar_t>::messages_byname(const char*, size_t __refs);
#endif
// Subclause convenience interfaces, inlines
// NB: these are inline
// because, when used in a loop, some compilers can hoist the body
// out of the loop; then it's just as fast as the C is*() function.
template<typename _CharT>
inline bool
isspace(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::space, __c); }
template<typename _CharT>
inline bool
isprint(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::print, __c); }
template<typename _CharT>
inline bool
iscntrl(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::cntrl, __c); }
template<typename _CharT>
inline bool
isupper(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::upper, __c); }
template<typename _CharT>
inline bool islower(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::lower, __c); }
template<typename _CharT>
inline bool
isalpha(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::alpha, __c); }
template<typename _CharT>
inline bool
isdigit(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::digit, __c); }
template<typename _CharT>
inline bool
ispunct(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::punct, __c); }
template<typename _CharT>
inline bool
isxdigit(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::xdigit, __c); }
template<typename _CharT>
inline bool
isalnum(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::alnum, __c); }
template<typename _CharT>
inline bool
isgraph(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).is(ctype_base::graph, __c); }
template<typename _CharT>
inline _CharT
toupper(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).toupper(__c); }
template<typename _CharT>
inline _CharT
tolower(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> > (__loc).tolower(__c); }
} // namespace std
#endif /* _CPP_BITS_LOCFACETS_H */
// Local Variables:
// mode:c++
// End: