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jlechner |
// Locale support -*- C++ -*-
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// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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//
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// ISO C++ 14882: 22.1 Locales
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//
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/** @file locale_facets.h
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* This is an internal header file, included by other library headers.
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* You should not attempt to use it directly.
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*/
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#ifndef _LOCALE_FACETS_H
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#define _LOCALE_FACETS_H 1
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#pragma GCC system_header
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#include <ctime> // For struct tm
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#include <cwctype> // For wctype_t
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#include <iosfwd>
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#include <bits/ios_base.h> // For ios_base, ios_base::iostate
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#include <streambuf>
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namespace std
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{
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// NB: Don't instantiate required wchar_t facets if no wchar_t support.
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#ifdef _GLIBCXX_USE_WCHAR_T
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# define _GLIBCXX_NUM_FACETS 28
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#else
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# define _GLIBCXX_NUM_FACETS 14
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#endif
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// Convert string to numeric value of type _Tv and store results.
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// NB: This is specialized for all required types, there is no
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// generic definition.
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template<typename _Tv>
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void
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__convert_to_v(const char* __in, _Tv& __out, ios_base::iostate& __err,
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const __c_locale& __cloc);
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// Explicit specializations for required types.
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template<>
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void
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__convert_to_v(const char*, float&, ios_base::iostate&,
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const __c_locale&);
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template<>
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void
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__convert_to_v(const char*, double&, ios_base::iostate&,
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const __c_locale&);
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template<>
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void
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__convert_to_v(const char*, long double&, ios_base::iostate&,
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const __c_locale&);
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// NB: __pad is a struct, rather than a function, so it can be
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// partially-specialized.
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template<typename _CharT, typename _Traits>
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struct __pad
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{
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static void
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_S_pad(ios_base& __io, _CharT __fill, _CharT* __news,
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const _CharT* __olds, const streamsize __newlen,
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const streamsize __oldlen, const bool __num);
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};
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// Used by both numeric and monetary facets.
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// Inserts "group separator" characters into an array of characters.
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// It's recursive, one iteration per group. It moves the characters
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// in the buffer this way: "xxxx12345" -> "12,345xxx". Call this
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// only with __glen != 0.
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template<typename _CharT>
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_CharT*
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__add_grouping(_CharT* __s, _CharT __sep,
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const char* __gbeg, size_t __gsize,
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const _CharT* __first, const _CharT* __last);
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// This template permits specializing facet output code for
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// ostreambuf_iterator. For ostreambuf_iterator, sputn is
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// significantly more efficient than incrementing iterators.
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template<typename _CharT>
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inline
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ostreambuf_iterator<_CharT>
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__write(ostreambuf_iterator<_CharT> __s, const _CharT* __ws, int __len)
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{
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__s._M_put(__ws, __len);
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return __s;
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}
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// This is the unspecialized form of the template.
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template<typename _CharT, typename _OutIter>
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inline
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_OutIter
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__write(_OutIter __s, const _CharT* __ws, int __len)
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{
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for (int __j = 0; __j < __len; __j++, ++__s)
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*__s = __ws[__j];
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return __s;
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}
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// 22.2.1.1 Template class ctype
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// Include host and configuration specific ctype enums for ctype_base.
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#include <bits/ctype_base.h>
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// Common base for ctype<_CharT>.
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/**
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* @brief Common base for ctype facet
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*
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* This template class provides implementations of the public functions
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* that forward to the protected virtual functions.
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*
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* This template also provides abtract stubs for the protected virtual
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* functions.
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*/
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template<typename _CharT>
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class __ctype_abstract_base : public locale::facet, public ctype_base
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{
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public:
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// Types:
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/// Typedef for the template parameter
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typedef _CharT char_type;
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/**
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* @brief Test char_type classification.
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*
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* This function finds a mask M for @a c and compares it to mask @a m.
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* It does so by returning the value of ctype<char_type>::do_is().
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*
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* @param c The char_type to compare the mask of.
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* @param m The mask to compare against.
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* @return (M & m) != 0.
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*/
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bool
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is(mask __m, char_type __c) const
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{ return this->do_is(__m, __c); }
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/**
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* @brief Return a mask array.
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*
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* This function finds the mask for each char_type in the range [lo,hi)
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* and successively writes it to vec. vec must have as many elements
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* as the char array. It does so by returning the value of
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* ctype<char_type>::do_is().
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*
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* @param lo Pointer to start of range.
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* @param hi Pointer to end of range.
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* @param vec Pointer to an array of mask storage.
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* @return @a hi.
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*/
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const char_type*
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is(const char_type *__lo, const char_type *__hi, mask *__vec) const
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{ return this->do_is(__lo, __hi, __vec); }
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/**
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* @brief Find char_type matching a mask
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*
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* This function searches for and returns the first char_type c in
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* [lo,hi) for which is(m,c) is true. It does so by returning
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* ctype<char_type>::do_scan_is().
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*
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* @param m The mask to compare against.
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* @param lo Pointer to start of range.
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* @param hi Pointer to end of range.
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* @return Pointer to matching char_type if found, else @a hi.
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*/
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const char_type*
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scan_is(mask __m, const char_type* __lo, const char_type* __hi) const
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{ return this->do_scan_is(__m, __lo, __hi); }
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/**
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* @brief Find char_type not matching a mask
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*
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* This function searches for and returns the first char_type c in
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* [lo,hi) for which is(m,c) is false. It does so by returning
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* ctype<char_type>::do_scan_not().
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*
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* @param m The mask to compare against.
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* @param lo Pointer to first char in range.
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* @param hi Pointer to end of range.
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* @return Pointer to non-matching char if found, else @a hi.
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*/
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const char_type*
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scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
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{ return this->do_scan_not(__m, __lo, __hi); }
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/**
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* @brief Convert to uppercase.
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*
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* This function converts the argument to uppercase if possible.
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* If not possible (for example, '2'), returns the argument. It does
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* so by returning ctype<char_type>::do_toupper().
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*
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* @param c The char_type to convert.
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* @return The uppercase char_type if convertible, else @a c.
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*/
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char_type
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toupper(char_type __c) const
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{ return this->do_toupper(__c); }
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/**
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* @brief Convert array to uppercase.
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*
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* This function converts each char_type in the range [lo,hi) to
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* uppercase if possible. Other elements remain untouched. It does so
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* by returning ctype<char_type>:: do_toupper(lo, hi).
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*
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* @param lo Pointer to start of range.
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* @param hi Pointer to end of range.
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* @return @a hi.
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*/
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const char_type*
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toupper(char_type *__lo, const char_type* __hi) const
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{ return this->do_toupper(__lo, __hi); }
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/**
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* @brief Convert to lowercase.
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*
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* This function converts the argument to lowercase if possible. If
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* not possible (for example, '2'), returns the argument. It does so
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* by returning ctype<char_type>::do_tolower(c).
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*
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* @param c The char_type to convert.
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* @return The lowercase char_type if convertible, else @a c.
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*/
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char_type
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tolower(char_type __c) const
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{ return this->do_tolower(__c); }
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/**
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* @brief Convert array to lowercase.
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*
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* This function converts each char_type in the range [lo,hi) to
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* lowercase if possible. Other elements remain untouched. It does so
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* by returning ctype<char_type>:: do_tolower(lo, hi).
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*
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* @param lo Pointer to start of range.
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* @param hi Pointer to end of range.
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* @return @a hi.
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*/
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const char_type*
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tolower(char_type* __lo, const char_type* __hi) const
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{ return this->do_tolower(__lo, __hi); }
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/**
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* @brief Widen char to char_type
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*
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* This function converts the char argument to char_type using the
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* simplest reasonable transformation. It does so by returning
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* ctype<char_type>::do_widen(c).
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*
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* Note: this is not what you want for codepage conversions. See
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* codecvt for that.
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*
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* @param c The char to convert.
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* @return The converted char_type.
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*/
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char_type
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widen(char __c) const
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{ return this->do_widen(__c); }
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/**
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* @brief Widen array to char_type
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*
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* This function converts each char in the input to char_type using the
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* simplest reasonable transformation. It does so by returning
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* ctype<char_type>::do_widen(c).
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*
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* Note: this is not what you want for codepage conversions. See
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* codecvt for that.
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*
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* @param lo Pointer to start of range.
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* @param hi Pointer to end of range.
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* @param to Pointer to the destination array.
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* @return @a hi.
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*/
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const char*
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widen(const char* __lo, const char* __hi, char_type* __to) const
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{ return this->do_widen(__lo, __hi, __to); }
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/**
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* @brief Narrow char_type to char
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*
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* This function converts the char_type to char using the simplest
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* reasonable transformation. If the conversion fails, dfault is
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* returned instead. It does so by returning
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* ctype<char_type>::do_narrow(c).
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*
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* Note: this is not what you want for codepage conversions. See
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* codecvt for that.
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*
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* @param c The char_type to convert.
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* @param dfault Char to return if conversion fails.
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* @return The converted char.
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*/
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char
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narrow(char_type __c, char __dfault) const
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{ return this->do_narrow(__c, __dfault); }
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/**
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* @brief Narrow array to char array
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*
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* This function converts each char_type in the input to char using the
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* simplest reasonable transformation and writes the results to the
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* destination array. For any char_type in the input that cannot be
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* converted, @a dfault is used instead. It does so by returning
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* ctype<char_type>::do_narrow(lo, hi, dfault, to).
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*
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* Note: this is not what you want for codepage conversions. See
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* codecvt for that.
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*
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* @param lo Pointer to start of range.
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* @param hi Pointer to end of range.
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* @param dfault Char to use if conversion fails.
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* @param to Pointer to the destination array.
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* @return @a hi.
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*/
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const char_type*
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narrow(const char_type* __lo, const char_type* __hi,
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char __dfault, char *__to) const
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{ return this->do_narrow(__lo, __hi, __dfault, __to); }
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|
|
protected:
|
352 |
|
|
explicit
|
353 |
|
|
__ctype_abstract_base(size_t __refs = 0): facet(__refs) { }
|
354 |
|
|
|
355 |
|
|
virtual
|
356 |
|
|
~__ctype_abstract_base() { }
|
357 |
|
|
|
358 |
|
|
/**
|
359 |
|
|
* @brief Test char_type classification.
|
360 |
|
|
*
|
361 |
|
|
* This function finds a mask M for @a c and compares it to mask @a m.
|
362 |
|
|
*
|
363 |
|
|
* do_is() is a hook for a derived facet to change the behavior of
|
364 |
|
|
* classifying. do_is() must always return the same result for the
|
365 |
|
|
* same input.
|
366 |
|
|
*
|
367 |
|
|
* @param c The char_type to find the mask of.
|
368 |
|
|
* @param m The mask to compare against.
|
369 |
|
|
* @return (M & m) != 0.
|
370 |
|
|
*/
|
371 |
|
|
virtual bool
|
372 |
|
|
do_is(mask __m, char_type __c) const = 0;
|
373 |
|
|
|
374 |
|
|
/**
|
375 |
|
|
* @brief Return a mask array.
|
376 |
|
|
*
|
377 |
|
|
* This function finds the mask for each char_type in the range [lo,hi)
|
378 |
|
|
* and successively writes it to vec. vec must have as many elements
|
379 |
|
|
* as the input.
|
380 |
|
|
*
|
381 |
|
|
* do_is() is a hook for a derived facet to change the behavior of
|
382 |
|
|
* classifying. do_is() must always return the same result for the
|
383 |
|
|
* same input.
|
384 |
|
|
*
|
385 |
|
|
* @param lo Pointer to start of range.
|
386 |
|
|
* @param hi Pointer to end of range.
|
387 |
|
|
* @param vec Pointer to an array of mask storage.
|
388 |
|
|
* @return @a hi.
|
389 |
|
|
*/
|
390 |
|
|
virtual const char_type*
|
391 |
|
|
do_is(const char_type* __lo, const char_type* __hi,
|
392 |
|
|
mask* __vec) const = 0;
|
393 |
|
|
|
394 |
|
|
/**
|
395 |
|
|
* @brief Find char_type matching mask
|
396 |
|
|
*
|
397 |
|
|
* This function searches for and returns the first char_type c in
|
398 |
|
|
* [lo,hi) for which is(m,c) is true.
|
399 |
|
|
*
|
400 |
|
|
* do_scan_is() is a hook for a derived facet to change the behavior of
|
401 |
|
|
* match searching. do_is() must always return the same result for the
|
402 |
|
|
* same input.
|
403 |
|
|
*
|
404 |
|
|
* @param m The mask to compare against.
|
405 |
|
|
* @param lo Pointer to start of range.
|
406 |
|
|
* @param hi Pointer to end of range.
|
407 |
|
|
* @return Pointer to a matching char_type if found, else @a hi.
|
408 |
|
|
*/
|
409 |
|
|
virtual const char_type*
|
410 |
|
|
do_scan_is(mask __m, const char_type* __lo,
|
411 |
|
|
const char_type* __hi) const = 0;
|
412 |
|
|
|
413 |
|
|
/**
|
414 |
|
|
* @brief Find char_type not matching mask
|
415 |
|
|
*
|
416 |
|
|
* This function searches for and returns a pointer to the first
|
417 |
|
|
* char_type c of [lo,hi) for which is(m,c) is false.
|
418 |
|
|
*
|
419 |
|
|
* do_scan_is() is a hook for a derived facet to change the behavior of
|
420 |
|
|
* match searching. do_is() must always return the same result for the
|
421 |
|
|
* same input.
|
422 |
|
|
*
|
423 |
|
|
* @param m The mask to compare against.
|
424 |
|
|
* @param lo Pointer to start of range.
|
425 |
|
|
* @param hi Pointer to end of range.
|
426 |
|
|
* @return Pointer to a non-matching char_type if found, else @a hi.
|
427 |
|
|
*/
|
428 |
|
|
virtual const char_type*
|
429 |
|
|
do_scan_not(mask __m, const char_type* __lo,
|
430 |
|
|
const char_type* __hi) const = 0;
|
431 |
|
|
|
432 |
|
|
/**
|
433 |
|
|
* @brief Convert to uppercase.
|
434 |
|
|
*
|
435 |
|
|
* This virtual function converts the char_type argument to uppercase
|
436 |
|
|
* if possible. If not possible (for example, '2'), returns the
|
437 |
|
|
* argument.
|
438 |
|
|
*
|
439 |
|
|
* do_toupper() is a hook for a derived facet to change the behavior of
|
440 |
|
|
* uppercasing. do_toupper() must always return the same result for
|
441 |
|
|
* the same input.
|
442 |
|
|
*
|
443 |
|
|
* @param c The char_type to convert.
|
444 |
|
|
* @return The uppercase char_type if convertible, else @a c.
|
445 |
|
|
*/
|
446 |
|
|
virtual char_type
|
447 |
|
|
do_toupper(char_type) const = 0;
|
448 |
|
|
|
449 |
|
|
/**
|
450 |
|
|
* @brief Convert array to uppercase.
|
451 |
|
|
*
|
452 |
|
|
* This virtual function converts each char_type in the range [lo,hi)
|
453 |
|
|
* to uppercase if possible. Other elements remain untouched.
|
454 |
|
|
*
|
455 |
|
|
* do_toupper() is a hook for a derived facet to change the behavior of
|
456 |
|
|
* uppercasing. do_toupper() must always return the same result for
|
457 |
|
|
* the same input.
|
458 |
|
|
*
|
459 |
|
|
* @param lo Pointer to start of range.
|
460 |
|
|
* @param hi Pointer to end of range.
|
461 |
|
|
* @return @a hi.
|
462 |
|
|
*/
|
463 |
|
|
virtual const char_type*
|
464 |
|
|
do_toupper(char_type* __lo, const char_type* __hi) const = 0;
|
465 |
|
|
|
466 |
|
|
/**
|
467 |
|
|
* @brief Convert to lowercase.
|
468 |
|
|
*
|
469 |
|
|
* This virtual function converts the argument to lowercase if
|
470 |
|
|
* possible. If not possible (for example, '2'), returns the argument.
|
471 |
|
|
*
|
472 |
|
|
* do_tolower() is a hook for a derived facet to change the behavior of
|
473 |
|
|
* lowercasing. do_tolower() must always return the same result for
|
474 |
|
|
* the same input.
|
475 |
|
|
*
|
476 |
|
|
* @param c The char_type to convert.
|
477 |
|
|
* @return The lowercase char_type if convertible, else @a c.
|
478 |
|
|
*/
|
479 |
|
|
virtual char_type
|
480 |
|
|
do_tolower(char_type) const = 0;
|
481 |
|
|
|
482 |
|
|
/**
|
483 |
|
|
* @brief Convert array to lowercase.
|
484 |
|
|
*
|
485 |
|
|
* This virtual function converts each char_type in the range [lo,hi)
|
486 |
|
|
* to lowercase if possible. Other elements remain untouched.
|
487 |
|
|
*
|
488 |
|
|
* do_tolower() is a hook for a derived facet to change the behavior of
|
489 |
|
|
* lowercasing. do_tolower() must always return the same result for
|
490 |
|
|
* the same input.
|
491 |
|
|
*
|
492 |
|
|
* @param lo Pointer to start of range.
|
493 |
|
|
* @param hi Pointer to end of range.
|
494 |
|
|
* @return @a hi.
|
495 |
|
|
*/
|
496 |
|
|
virtual const char_type*
|
497 |
|
|
do_tolower(char_type* __lo, const char_type* __hi) const = 0;
|
498 |
|
|
|
499 |
|
|
/**
|
500 |
|
|
* @brief Widen char
|
501 |
|
|
*
|
502 |
|
|
* This virtual function converts the char to char_type using the
|
503 |
|
|
* simplest reasonable transformation.
|
504 |
|
|
*
|
505 |
|
|
* do_widen() is a hook for a derived facet to change the behavior of
|
506 |
|
|
* widening. do_widen() must always return the same result for the
|
507 |
|
|
* same input.
|
508 |
|
|
*
|
509 |
|
|
* Note: this is not what you want for codepage conversions. See
|
510 |
|
|
* codecvt for that.
|
511 |
|
|
*
|
512 |
|
|
* @param c The char to convert.
|
513 |
|
|
* @return The converted char_type
|
514 |
|
|
*/
|
515 |
|
|
virtual char_type
|
516 |
|
|
do_widen(char) const = 0;
|
517 |
|
|
|
518 |
|
|
/**
|
519 |
|
|
* @brief Widen char array
|
520 |
|
|
*
|
521 |
|
|
* This function converts each char in the input to char_type using the
|
522 |
|
|
* simplest reasonable transformation.
|
523 |
|
|
*
|
524 |
|
|
* do_widen() is a hook for a derived facet to change the behavior of
|
525 |
|
|
* widening. do_widen() must always return the same result for the
|
526 |
|
|
* same input.
|
527 |
|
|
*
|
528 |
|
|
* Note: this is not what you want for codepage conversions. See
|
529 |
|
|
* codecvt for that.
|
530 |
|
|
*
|
531 |
|
|
* @param lo Pointer to start range.
|
532 |
|
|
* @param hi Pointer to end of range.
|
533 |
|
|
* @param to Pointer to the destination array.
|
534 |
|
|
* @return @a hi.
|
535 |
|
|
*/
|
536 |
|
|
virtual const char*
|
537 |
|
|
do_widen(const char* __lo, const char* __hi,
|
538 |
|
|
char_type* __dest) const = 0;
|
539 |
|
|
|
540 |
|
|
/**
|
541 |
|
|
* @brief Narrow char_type to char
|
542 |
|
|
*
|
543 |
|
|
* This virtual function converts the argument to char using the
|
544 |
|
|
* simplest reasonable transformation. If the conversion fails, dfault
|
545 |
|
|
* is returned instead.
|
546 |
|
|
*
|
547 |
|
|
* do_narrow() is a hook for a derived facet to change the behavior of
|
548 |
|
|
* narrowing. do_narrow() must always return the same result for the
|
549 |
|
|
* same input.
|
550 |
|
|
*
|
551 |
|
|
* Note: this is not what you want for codepage conversions. See
|
552 |
|
|
* codecvt for that.
|
553 |
|
|
*
|
554 |
|
|
* @param c The char_type to convert.
|
555 |
|
|
* @param dfault Char to return if conversion fails.
|
556 |
|
|
* @return The converted char.
|
557 |
|
|
*/
|
558 |
|
|
virtual char
|
559 |
|
|
do_narrow(char_type, char __dfault) const = 0;
|
560 |
|
|
|
561 |
|
|
/**
|
562 |
|
|
* @brief Narrow char_type array to char
|
563 |
|
|
*
|
564 |
|
|
* This virtual function converts each char_type in the range [lo,hi) to
|
565 |
|
|
* char using the simplest reasonable transformation and writes the
|
566 |
|
|
* results to the destination array. For any element in the input that
|
567 |
|
|
* cannot be converted, @a dfault is used instead.
|
568 |
|
|
*
|
569 |
|
|
* do_narrow() is a hook for a derived facet to change the behavior of
|
570 |
|
|
* narrowing. do_narrow() must always return the same result for the
|
571 |
|
|
* same input.
|
572 |
|
|
*
|
573 |
|
|
* Note: this is not what you want for codepage conversions. See
|
574 |
|
|
* codecvt for that.
|
575 |
|
|
*
|
576 |
|
|
* @param lo Pointer to start of range.
|
577 |
|
|
* @param hi Pointer to end of range.
|
578 |
|
|
* @param dfault Char to use if conversion fails.
|
579 |
|
|
* @param to Pointer to the destination array.
|
580 |
|
|
* @return @a hi.
|
581 |
|
|
*/
|
582 |
|
|
virtual const char_type*
|
583 |
|
|
do_narrow(const char_type* __lo, const char_type* __hi,
|
584 |
|
|
char __dfault, char* __dest) const = 0;
|
585 |
|
|
};
|
586 |
|
|
|
587 |
|
|
// NB: Generic, mostly useless implementation.
|
588 |
|
|
/**
|
589 |
|
|
* @brief Template ctype facet
|
590 |
|
|
*
|
591 |
|
|
* This template class defines classification and conversion functions for
|
592 |
|
|
* character sets. It wraps <cctype> functionality. Ctype gets used by
|
593 |
|
|
* streams for many I/O operations.
|
594 |
|
|
*
|
595 |
|
|
* This template provides the protected virtual functions the developer
|
596 |
|
|
* will have to replace in a derived class or specialization to make a
|
597 |
|
|
* working facet. The public functions that access them are defined in
|
598 |
|
|
* __ctype_abstract_base, to allow for implementation flexibility. See
|
599 |
|
|
* ctype<wchar_t> for an example. The functions are documented in
|
600 |
|
|
* __ctype_abstract_base.
|
601 |
|
|
*
|
602 |
|
|
* Note: implementations are provided for all the protected virtual
|
603 |
|
|
* functions, but will likely not be useful.
|
604 |
|
|
*/
|
605 |
|
|
template<typename _CharT>
|
606 |
|
|
class ctype : public __ctype_abstract_base<_CharT>
|
607 |
|
|
{
|
608 |
|
|
public:
|
609 |
|
|
// Types:
|
610 |
|
|
typedef _CharT char_type;
|
611 |
|
|
typedef typename __ctype_abstract_base<_CharT>::mask mask;
|
612 |
|
|
|
613 |
|
|
/// The facet id for ctype<char_type>
|
614 |
|
|
static locale::id id;
|
615 |
|
|
|
616 |
|
|
explicit
|
617 |
|
|
ctype(size_t __refs = 0) : __ctype_abstract_base<_CharT>(__refs) { }
|
618 |
|
|
|
619 |
|
|
protected:
|
620 |
|
|
virtual
|
621 |
|
|
~ctype();
|
622 |
|
|
|
623 |
|
|
virtual bool
|
624 |
|
|
do_is(mask __m, char_type __c) const;
|
625 |
|
|
|
626 |
|
|
virtual const char_type*
|
627 |
|
|
do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
|
628 |
|
|
|
629 |
|
|
virtual const char_type*
|
630 |
|
|
do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
|
631 |
|
|
|
632 |
|
|
virtual const char_type*
|
633 |
|
|
do_scan_not(mask __m, const char_type* __lo,
|
634 |
|
|
const char_type* __hi) const;
|
635 |
|
|
|
636 |
|
|
virtual char_type
|
637 |
|
|
do_toupper(char_type __c) const;
|
638 |
|
|
|
639 |
|
|
virtual const char_type*
|
640 |
|
|
do_toupper(char_type* __lo, const char_type* __hi) const;
|
641 |
|
|
|
642 |
|
|
virtual char_type
|
643 |
|
|
do_tolower(char_type __c) const;
|
644 |
|
|
|
645 |
|
|
virtual const char_type*
|
646 |
|
|
do_tolower(char_type* __lo, const char_type* __hi) const;
|
647 |
|
|
|
648 |
|
|
virtual char_type
|
649 |
|
|
do_widen(char __c) const;
|
650 |
|
|
|
651 |
|
|
virtual const char*
|
652 |
|
|
do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
|
653 |
|
|
|
654 |
|
|
virtual char
|
655 |
|
|
do_narrow(char_type, char __dfault) const;
|
656 |
|
|
|
657 |
|
|
virtual const char_type*
|
658 |
|
|
do_narrow(const char_type* __lo, const char_type* __hi,
|
659 |
|
|
char __dfault, char* __dest) const;
|
660 |
|
|
};
|
661 |
|
|
|
662 |
|
|
template<typename _CharT>
|
663 |
|
|
locale::id ctype<_CharT>::id;
|
664 |
|
|
|
665 |
|
|
// 22.2.1.3 ctype<char> specialization.
|
666 |
|
|
/**
|
667 |
|
|
* @brief The ctype<char> specialization.
|
668 |
|
|
*
|
669 |
|
|
* This class defines classification and conversion functions for
|
670 |
|
|
* the char type. It gets used by char streams for many I/O
|
671 |
|
|
* operations. The char specialization provides a number of
|
672 |
|
|
* optimizations as well.
|
673 |
|
|
*/
|
674 |
|
|
template<>
|
675 |
|
|
class ctype<char> : public locale::facet, public ctype_base
|
676 |
|
|
{
|
677 |
|
|
public:
|
678 |
|
|
// Types:
|
679 |
|
|
/// Typedef for the template parameter char.
|
680 |
|
|
typedef char char_type;
|
681 |
|
|
|
682 |
|
|
protected:
|
683 |
|
|
// Data Members:
|
684 |
|
|
__c_locale _M_c_locale_ctype;
|
685 |
|
|
bool _M_del;
|
686 |
|
|
__to_type _M_toupper;
|
687 |
|
|
__to_type _M_tolower;
|
688 |
|
|
const mask* _M_table;
|
689 |
|
|
mutable char _M_widen_ok;
|
690 |
|
|
mutable char _M_widen[1 + static_cast<unsigned char>(-1)];
|
691 |
|
|
mutable char _M_narrow[1 + static_cast<unsigned char>(-1)];
|
692 |
|
|
mutable char _M_narrow_ok; // 0 uninitialized, 1 init,
|
693 |
|
|
// 2 memcpy can't be used
|
694 |
|
|
|
695 |
|
|
public:
|
696 |
|
|
/// The facet id for ctype<char>
|
697 |
|
|
static locale::id id;
|
698 |
|
|
/// The size of the mask table. It is SCHAR_MAX + 1.
|
699 |
|
|
static const size_t table_size = 1 + static_cast<unsigned char>(-1);
|
700 |
|
|
|
701 |
|
|
/**
|
702 |
|
|
* @brief Constructor performs initialization.
|
703 |
|
|
*
|
704 |
|
|
* This is the constructor provided by the standard.
|
705 |
|
|
*
|
706 |
|
|
* @param table If non-zero, table is used as the per-char mask.
|
707 |
|
|
* Else classic_table() is used.
|
708 |
|
|
* @param del If true, passes ownership of table to this facet.
|
709 |
|
|
* @param refs Passed to the base facet class.
|
710 |
|
|
*/
|
711 |
|
|
explicit
|
712 |
|
|
ctype(const mask* __table = 0, bool __del = false, size_t __refs = 0);
|
713 |
|
|
|
714 |
|
|
/**
|
715 |
|
|
* @brief Constructor performs static initialization.
|
716 |
|
|
*
|
717 |
|
|
* This constructor is used to construct the initial C locale facet.
|
718 |
|
|
*
|
719 |
|
|
* @param cloc Handle to C locale data.
|
720 |
|
|
* @param table If non-zero, table is used as the per-char mask.
|
721 |
|
|
* @param del If true, passes ownership of table to this facet.
|
722 |
|
|
* @param refs Passed to the base facet class.
|
723 |
|
|
*/
|
724 |
|
|
explicit
|
725 |
|
|
ctype(__c_locale __cloc, const mask* __table = 0, bool __del = false,
|
726 |
|
|
size_t __refs = 0);
|
727 |
|
|
|
728 |
|
|
/**
|
729 |
|
|
* @brief Test char classification.
|
730 |
|
|
*
|
731 |
|
|
* This function compares the mask table[c] to @a m.
|
732 |
|
|
*
|
733 |
|
|
* @param c The char to compare the mask of.
|
734 |
|
|
* @param m The mask to compare against.
|
735 |
|
|
* @return True if m & table[c] is true, false otherwise.
|
736 |
|
|
*/
|
737 |
|
|
inline bool
|
738 |
|
|
is(mask __m, char __c) const;
|
739 |
|
|
|
740 |
|
|
/**
|
741 |
|
|
* @brief Return a mask array.
|
742 |
|
|
*
|
743 |
|
|
* This function finds the mask for each char in the range [lo, hi) and
|
744 |
|
|
* successively writes it to vec. vec must have as many elements as
|
745 |
|
|
* the char array.
|
746 |
|
|
*
|
747 |
|
|
* @param lo Pointer to start of range.
|
748 |
|
|
* @param hi Pointer to end of range.
|
749 |
|
|
* @param vec Pointer to an array of mask storage.
|
750 |
|
|
* @return @a hi.
|
751 |
|
|
*/
|
752 |
|
|
inline const char*
|
753 |
|
|
is(const char* __lo, const char* __hi, mask* __vec) const;
|
754 |
|
|
|
755 |
|
|
/**
|
756 |
|
|
* @brief Find char matching a mask
|
757 |
|
|
*
|
758 |
|
|
* This function searches for and returns the first char in [lo,hi) for
|
759 |
|
|
* which is(m,char) is true.
|
760 |
|
|
*
|
761 |
|
|
* @param m The mask to compare against.
|
762 |
|
|
* @param lo Pointer to start of range.
|
763 |
|
|
* @param hi Pointer to end of range.
|
764 |
|
|
* @return Pointer to a matching char if found, else @a hi.
|
765 |
|
|
*/
|
766 |
|
|
inline const char*
|
767 |
|
|
scan_is(mask __m, const char* __lo, const char* __hi) const;
|
768 |
|
|
|
769 |
|
|
/**
|
770 |
|
|
* @brief Find char not matching a mask
|
771 |
|
|
*
|
772 |
|
|
* This function searches for and returns a pointer to the first char
|
773 |
|
|
* in [lo,hi) for which is(m,char) is false.
|
774 |
|
|
*
|
775 |
|
|
* @param m The mask to compare against.
|
776 |
|
|
* @param lo Pointer to start of range.
|
777 |
|
|
* @param hi Pointer to end of range.
|
778 |
|
|
* @return Pointer to a non-matching char if found, else @a hi.
|
779 |
|
|
*/
|
780 |
|
|
inline const char*
|
781 |
|
|
scan_not(mask __m, const char* __lo, const char* __hi) const;
|
782 |
|
|
|
783 |
|
|
/**
|
784 |
|
|
* @brief Convert to uppercase.
|
785 |
|
|
*
|
786 |
|
|
* This function converts the char argument to uppercase if possible.
|
787 |
|
|
* If not possible (for example, '2'), returns the argument.
|
788 |
|
|
*
|
789 |
|
|
* toupper() acts as if it returns ctype<char>::do_toupper(c).
|
790 |
|
|
* do_toupper() must always return the same result for the same input.
|
791 |
|
|
*
|
792 |
|
|
* @param c The char to convert.
|
793 |
|
|
* @return The uppercase char if convertible, else @a c.
|
794 |
|
|
*/
|
795 |
|
|
char_type
|
796 |
|
|
toupper(char_type __c) const
|
797 |
|
|
{ return this->do_toupper(__c); }
|
798 |
|
|
|
799 |
|
|
/**
|
800 |
|
|
* @brief Convert array to uppercase.
|
801 |
|
|
*
|
802 |
|
|
* This function converts each char in the range [lo,hi) to uppercase
|
803 |
|
|
* if possible. Other chars remain untouched.
|
804 |
|
|
*
|
805 |
|
|
* toupper() acts as if it returns ctype<char>:: do_toupper(lo, hi).
|
806 |
|
|
* do_toupper() must always return the same result for the same input.
|
807 |
|
|
*
|
808 |
|
|
* @param lo Pointer to first char in range.
|
809 |
|
|
* @param hi Pointer to end of range.
|
810 |
|
|
* @return @a hi.
|
811 |
|
|
*/
|
812 |
|
|
const char_type*
|
813 |
|
|
toupper(char_type *__lo, const char_type* __hi) const
|
814 |
|
|
{ return this->do_toupper(__lo, __hi); }
|
815 |
|
|
|
816 |
|
|
/**
|
817 |
|
|
* @brief Convert to lowercase.
|
818 |
|
|
*
|
819 |
|
|
* This function converts the char argument to lowercase if possible.
|
820 |
|
|
* If not possible (for example, '2'), returns the argument.
|
821 |
|
|
*
|
822 |
|
|
* tolower() acts as if it returns ctype<char>::do_tolower(c).
|
823 |
|
|
* do_tolower() must always return the same result for the same input.
|
824 |
|
|
*
|
825 |
|
|
* @param c The char to convert.
|
826 |
|
|
* @return The lowercase char if convertible, else @a c.
|
827 |
|
|
*/
|
828 |
|
|
char_type
|
829 |
|
|
tolower(char_type __c) const
|
830 |
|
|
{ return this->do_tolower(__c); }
|
831 |
|
|
|
832 |
|
|
/**
|
833 |
|
|
* @brief Convert array to lowercase.
|
834 |
|
|
*
|
835 |
|
|
* This function converts each char in the range [lo,hi) to lowercase
|
836 |
|
|
* if possible. Other chars remain untouched.
|
837 |
|
|
*
|
838 |
|
|
* tolower() acts as if it returns ctype<char>:: do_tolower(lo, hi).
|
839 |
|
|
* do_tolower() must always return the same result for the same input.
|
840 |
|
|
*
|
841 |
|
|
* @param lo Pointer to first char in range.
|
842 |
|
|
* @param hi Pointer to end of range.
|
843 |
|
|
* @return @a hi.
|
844 |
|
|
*/
|
845 |
|
|
const char_type*
|
846 |
|
|
tolower(char_type* __lo, const char_type* __hi) const
|
847 |
|
|
{ return this->do_tolower(__lo, __hi); }
|
848 |
|
|
|
849 |
|
|
/**
|
850 |
|
|
* @brief Widen char
|
851 |
|
|
*
|
852 |
|
|
* This function converts the char to char_type using the simplest
|
853 |
|
|
* reasonable transformation. For an underived ctype<char> facet, the
|
854 |
|
|
* argument will be returned unchanged.
|
855 |
|
|
*
|
856 |
|
|
* This function works as if it returns ctype<char>::do_widen(c).
|
857 |
|
|
* do_widen() must always return the same result for the same input.
|
858 |
|
|
*
|
859 |
|
|
* Note: this is not what you want for codepage conversions. See
|
860 |
|
|
* codecvt for that.
|
861 |
|
|
*
|
862 |
|
|
* @param c The char to convert.
|
863 |
|
|
* @return The converted character.
|
864 |
|
|
*/
|
865 |
|
|
char_type
|
866 |
|
|
widen(char __c) const
|
867 |
|
|
{
|
868 |
|
|
if (_M_widen_ok)
|
869 |
|
|
return _M_widen[static_cast<unsigned char>(__c)];
|
870 |
|
|
this->_M_widen_init();
|
871 |
|
|
return this->do_widen(__c);
|
872 |
|
|
}
|
873 |
|
|
|
874 |
|
|
/**
|
875 |
|
|
* @brief Widen char array
|
876 |
|
|
*
|
877 |
|
|
* This function converts each char in the input to char using the
|
878 |
|
|
* simplest reasonable transformation. For an underived ctype<char>
|
879 |
|
|
* facet, the argument will be copied unchanged.
|
880 |
|
|
*
|
881 |
|
|
* This function works as if it returns ctype<char>::do_widen(c).
|
882 |
|
|
* do_widen() must always return the same result for the same input.
|
883 |
|
|
*
|
884 |
|
|
* Note: this is not what you want for codepage conversions. See
|
885 |
|
|
* codecvt for that.
|
886 |
|
|
*
|
887 |
|
|
* @param lo Pointer to first char in range.
|
888 |
|
|
* @param hi Pointer to end of range.
|
889 |
|
|
* @param to Pointer to the destination array.
|
890 |
|
|
* @return @a hi.
|
891 |
|
|
*/
|
892 |
|
|
const char*
|
893 |
|
|
widen(const char* __lo, const char* __hi, char_type* __to) const
|
894 |
|
|
{
|
895 |
|
|
if (_M_widen_ok == 1)
|
896 |
|
|
{
|
897 |
|
|
memcpy(__to, __lo, __hi - __lo);
|
898 |
|
|
return __hi;
|
899 |
|
|
}
|
900 |
|
|
if (!_M_widen_ok)
|
901 |
|
|
_M_widen_init();
|
902 |
|
|
return this->do_widen(__lo, __hi, __to);
|
903 |
|
|
}
|
904 |
|
|
|
905 |
|
|
/**
|
906 |
|
|
* @brief Narrow char
|
907 |
|
|
*
|
908 |
|
|
* This function converts the char to char using the simplest
|
909 |
|
|
* reasonable transformation. If the conversion fails, dfault is
|
910 |
|
|
* returned instead. For an underived ctype<char> facet, @a c
|
911 |
|
|
* will be returned unchanged.
|
912 |
|
|
*
|
913 |
|
|
* This function works as if it returns ctype<char>::do_narrow(c).
|
914 |
|
|
* do_narrow() must always return the same result for the same input.
|
915 |
|
|
*
|
916 |
|
|
* Note: this is not what you want for codepage conversions. See
|
917 |
|
|
* codecvt for that.
|
918 |
|
|
*
|
919 |
|
|
* @param c The char to convert.
|
920 |
|
|
* @param dfault Char to return if conversion fails.
|
921 |
|
|
* @return The converted character.
|
922 |
|
|
*/
|
923 |
|
|
char
|
924 |
|
|
narrow(char_type __c, char __dfault) const
|
925 |
|
|
{
|
926 |
|
|
if (_M_narrow[static_cast<unsigned char>(__c)])
|
927 |
|
|
return _M_narrow[static_cast<unsigned char>(__c)];
|
928 |
|
|
const char __t = do_narrow(__c, __dfault);
|
929 |
|
|
if (__t != __dfault)
|
930 |
|
|
_M_narrow[static_cast<unsigned char>(__c)] = __t;
|
931 |
|
|
return __t;
|
932 |
|
|
}
|
933 |
|
|
|
934 |
|
|
/**
|
935 |
|
|
* @brief Narrow char array
|
936 |
|
|
*
|
937 |
|
|
* This function converts each char in the input to char using the
|
938 |
|
|
* simplest reasonable transformation and writes the results to the
|
939 |
|
|
* destination array. For any char in the input that cannot be
|
940 |
|
|
* converted, @a dfault is used instead. For an underived ctype<char>
|
941 |
|
|
* facet, the argument will be copied unchanged.
|
942 |
|
|
*
|
943 |
|
|
* This function works as if it returns ctype<char>::do_narrow(lo, hi,
|
944 |
|
|
* dfault, to). do_narrow() must always return the same result for the
|
945 |
|
|
* same input.
|
946 |
|
|
*
|
947 |
|
|
* Note: this is not what you want for codepage conversions. See
|
948 |
|
|
* codecvt for that.
|
949 |
|
|
*
|
950 |
|
|
* @param lo Pointer to start of range.
|
951 |
|
|
* @param hi Pointer to end of range.
|
952 |
|
|
* @param dfault Char to use if conversion fails.
|
953 |
|
|
* @param to Pointer to the destination array.
|
954 |
|
|
* @return @a hi.
|
955 |
|
|
*/
|
956 |
|
|
const char_type*
|
957 |
|
|
narrow(const char_type* __lo, const char_type* __hi,
|
958 |
|
|
char __dfault, char *__to) const
|
959 |
|
|
{
|
960 |
|
|
if (__builtin_expect(_M_narrow_ok == 1, true))
|
961 |
|
|
{
|
962 |
|
|
memcpy(__to, __lo, __hi - __lo);
|
963 |
|
|
return __hi;
|
964 |
|
|
}
|
965 |
|
|
if (!_M_narrow_ok)
|
966 |
|
|
_M_narrow_init();
|
967 |
|
|
return this->do_narrow(__lo, __hi, __dfault, __to);
|
968 |
|
|
}
|
969 |
|
|
|
970 |
|
|
protected:
|
971 |
|
|
/// Returns a pointer to the mask table provided to the constructor, or
|
972 |
|
|
/// the default from classic_table() if none was provided.
|
973 |
|
|
const mask*
|
974 |
|
|
table() const throw()
|
975 |
|
|
{ return _M_table; }
|
976 |
|
|
|
977 |
|
|
/// Returns a pointer to the C locale mask table.
|
978 |
|
|
static const mask*
|
979 |
|
|
classic_table() throw();
|
980 |
|
|
|
981 |
|
|
/**
|
982 |
|
|
* @brief Destructor.
|
983 |
|
|
*
|
984 |
|
|
* This function deletes table() if @a del was true in the
|
985 |
|
|
* constructor.
|
986 |
|
|
*/
|
987 |
|
|
virtual
|
988 |
|
|
~ctype();
|
989 |
|
|
|
990 |
|
|
/**
|
991 |
|
|
* @brief Convert to uppercase.
|
992 |
|
|
*
|
993 |
|
|
* This virtual function converts the char argument to uppercase if
|
994 |
|
|
* possible. If not possible (for example, '2'), returns the argument.
|
995 |
|
|
*
|
996 |
|
|
* do_toupper() is a hook for a derived facet to change the behavior of
|
997 |
|
|
* uppercasing. do_toupper() must always return the same result for
|
998 |
|
|
* the same input.
|
999 |
|
|
*
|
1000 |
|
|
* @param c The char to convert.
|
1001 |
|
|
* @return The uppercase char if convertible, else @a c.
|
1002 |
|
|
*/
|
1003 |
|
|
virtual char_type
|
1004 |
|
|
do_toupper(char_type) const;
|
1005 |
|
|
|
1006 |
|
|
/**
|
1007 |
|
|
* @brief Convert array to uppercase.
|
1008 |
|
|
*
|
1009 |
|
|
* This virtual function converts each char in the range [lo,hi) to
|
1010 |
|
|
* uppercase if possible. Other chars remain untouched.
|
1011 |
|
|
*
|
1012 |
|
|
* do_toupper() is a hook for a derived facet to change the behavior of
|
1013 |
|
|
* uppercasing. do_toupper() must always return the same result for
|
1014 |
|
|
* the same input.
|
1015 |
|
|
*
|
1016 |
|
|
* @param lo Pointer to start of range.
|
1017 |
|
|
* @param hi Pointer to end of range.
|
1018 |
|
|
* @return @a hi.
|
1019 |
|
|
*/
|
1020 |
|
|
virtual const char_type*
|
1021 |
|
|
do_toupper(char_type* __lo, const char_type* __hi) const;
|
1022 |
|
|
|
1023 |
|
|
/**
|
1024 |
|
|
* @brief Convert to lowercase.
|
1025 |
|
|
*
|
1026 |
|
|
* This virtual function converts the char argument to lowercase if
|
1027 |
|
|
* possible. If not possible (for example, '2'), returns the argument.
|
1028 |
|
|
*
|
1029 |
|
|
* do_tolower() is a hook for a derived facet to change the behavior of
|
1030 |
|
|
* lowercasing. do_tolower() must always return the same result for
|
1031 |
|
|
* the same input.
|
1032 |
|
|
*
|
1033 |
|
|
* @param c The char to convert.
|
1034 |
|
|
* @return The lowercase char if convertible, else @a c.
|
1035 |
|
|
*/
|
1036 |
|
|
virtual char_type
|
1037 |
|
|
do_tolower(char_type) const;
|
1038 |
|
|
|
1039 |
|
|
/**
|
1040 |
|
|
* @brief Convert array to lowercase.
|
1041 |
|
|
*
|
1042 |
|
|
* This virtual function converts each char in the range [lo,hi) to
|
1043 |
|
|
* lowercase if possible. Other chars remain untouched.
|
1044 |
|
|
*
|
1045 |
|
|
* do_tolower() is a hook for a derived facet to change the behavior of
|
1046 |
|
|
* lowercasing. do_tolower() must always return the same result for
|
1047 |
|
|
* the same input.
|
1048 |
|
|
*
|
1049 |
|
|
* @param lo Pointer to first char in range.
|
1050 |
|
|
* @param hi Pointer to end of range.
|
1051 |
|
|
* @return @a hi.
|
1052 |
|
|
*/
|
1053 |
|
|
virtual const char_type*
|
1054 |
|
|
do_tolower(char_type* __lo, const char_type* __hi) const;
|
1055 |
|
|
|
1056 |
|
|
/**
|
1057 |
|
|
* @brief Widen char
|
1058 |
|
|
*
|
1059 |
|
|
* This virtual function converts the char to char using the simplest
|
1060 |
|
|
* reasonable transformation. For an underived ctype<char> facet, the
|
1061 |
|
|
* argument will be returned unchanged.
|
1062 |
|
|
*
|
1063 |
|
|
* do_widen() is a hook for a derived facet to change the behavior of
|
1064 |
|
|
* widening. do_widen() must always return the same result for the
|
1065 |
|
|
* same input.
|
1066 |
|
|
*
|
1067 |
|
|
* Note: this is not what you want for codepage conversions. See
|
1068 |
|
|
* codecvt for that.
|
1069 |
|
|
*
|
1070 |
|
|
* @param c The char to convert.
|
1071 |
|
|
* @return The converted character.
|
1072 |
|
|
*/
|
1073 |
|
|
virtual char_type
|
1074 |
|
|
do_widen(char __c) const
|
1075 |
|
|
{ return __c; }
|
1076 |
|
|
|
1077 |
|
|
/**
|
1078 |
|
|
* @brief Widen char array
|
1079 |
|
|
*
|
1080 |
|
|
* This function converts each char in the range [lo,hi) to char using
|
1081 |
|
|
* the simplest reasonable transformation. For an underived
|
1082 |
|
|
* ctype<char> facet, the argument will be copied unchanged.
|
1083 |
|
|
*
|
1084 |
|
|
* do_widen() is a hook for a derived facet to change the behavior of
|
1085 |
|
|
* widening. do_widen() must always return the same result for the
|
1086 |
|
|
* same input.
|
1087 |
|
|
*
|
1088 |
|
|
* Note: this is not what you want for codepage conversions. See
|
1089 |
|
|
* codecvt for that.
|
1090 |
|
|
*
|
1091 |
|
|
* @param lo Pointer to start of range.
|
1092 |
|
|
* @param hi Pointer to end of range.
|
1093 |
|
|
* @param to Pointer to the destination array.
|
1094 |
|
|
* @return @a hi.
|
1095 |
|
|
*/
|
1096 |
|
|
virtual const char*
|
1097 |
|
|
do_widen(const char* __lo, const char* __hi, char_type* __dest) const
|
1098 |
|
|
{
|
1099 |
|
|
memcpy(__dest, __lo, __hi - __lo);
|
1100 |
|
|
return __hi;
|
1101 |
|
|
}
|
1102 |
|
|
|
1103 |
|
|
/**
|
1104 |
|
|
* @brief Narrow char
|
1105 |
|
|
*
|
1106 |
|
|
* This virtual function converts the char to char using the simplest
|
1107 |
|
|
* reasonable transformation. If the conversion fails, dfault is
|
1108 |
|
|
* returned instead. For an underived ctype<char> facet, @a c will be
|
1109 |
|
|
* returned unchanged.
|
1110 |
|
|
*
|
1111 |
|
|
* do_narrow() is a hook for a derived facet to change the behavior of
|
1112 |
|
|
* narrowing. do_narrow() must always return the same result for the
|
1113 |
|
|
* same input.
|
1114 |
|
|
*
|
1115 |
|
|
* Note: this is not what you want for codepage conversions. See
|
1116 |
|
|
* codecvt for that.
|
1117 |
|
|
*
|
1118 |
|
|
* @param c The char to convert.
|
1119 |
|
|
* @param dfault Char to return if conversion fails.
|
1120 |
|
|
* @return The converted char.
|
1121 |
|
|
*/
|
1122 |
|
|
virtual char
|
1123 |
|
|
do_narrow(char_type __c, char) const
|
1124 |
|
|
{ return __c; }
|
1125 |
|
|
|
1126 |
|
|
/**
|
1127 |
|
|
* @brief Narrow char array to char array
|
1128 |
|
|
*
|
1129 |
|
|
* This virtual function converts each char in the range [lo,hi) to
|
1130 |
|
|
* char using the simplest reasonable transformation and writes the
|
1131 |
|
|
* results to the destination array. For any char in the input that
|
1132 |
|
|
* cannot be converted, @a dfault is used instead. For an underived
|
1133 |
|
|
* ctype<char> facet, the argument will be copied unchanged.
|
1134 |
|
|
*
|
1135 |
|
|
* do_narrow() is a hook for a derived facet to change the behavior of
|
1136 |
|
|
* narrowing. do_narrow() must always return the same result for the
|
1137 |
|
|
* same input.
|
1138 |
|
|
*
|
1139 |
|
|
* Note: this is not what you want for codepage conversions. See
|
1140 |
|
|
* codecvt for that.
|
1141 |
|
|
*
|
1142 |
|
|
* @param lo Pointer to start of range.
|
1143 |
|
|
* @param hi Pointer to end of range.
|
1144 |
|
|
* @param dfault Char to use if conversion fails.
|
1145 |
|
|
* @param to Pointer to the destination array.
|
1146 |
|
|
* @return @a hi.
|
1147 |
|
|
*/
|
1148 |
|
|
virtual const char_type*
|
1149 |
|
|
do_narrow(const char_type* __lo, const char_type* __hi,
|
1150 |
|
|
char, char* __dest) const
|
1151 |
|
|
{
|
1152 |
|
|
memcpy(__dest, __lo, __hi - __lo);
|
1153 |
|
|
return __hi;
|
1154 |
|
|
}
|
1155 |
|
|
|
1156 |
|
|
private:
|
1157 |
|
|
|
1158 |
|
|
void _M_widen_init() const
|
1159 |
|
|
{
|
1160 |
|
|
char __tmp[sizeof(_M_widen)];
|
1161 |
|
|
for (size_t __i = 0; __i < sizeof(_M_widen); ++__i)
|
1162 |
|
|
__tmp[__i] = __i;
|
1163 |
|
|
do_widen(__tmp, __tmp + sizeof(__tmp), _M_widen);
|
1164 |
|
|
|
1165 |
|
|
_M_widen_ok = 1;
|
1166 |
|
|
// Set _M_widen_ok to 2 if memcpy can't be used.
|
1167 |
|
|
if (memcmp(__tmp, _M_widen, sizeof(_M_widen)))
|
1168 |
|
|
_M_widen_ok = 2;
|
1169 |
|
|
}
|
1170 |
|
|
|
1171 |
|
|
// Fill in the narrowing cache and flag whether all values are
|
1172 |
|
|
// valid or not. _M_narrow_ok is set to 2 if memcpy can't
|
1173 |
|
|
// be used.
|
1174 |
|
|
void _M_narrow_init() const
|
1175 |
|
|
{
|
1176 |
|
|
char __tmp[sizeof(_M_narrow)];
|
1177 |
|
|
for (size_t __i = 0; __i < sizeof(_M_narrow); ++__i)
|
1178 |
|
|
__tmp[__i] = __i;
|
1179 |
|
|
do_narrow(__tmp, __tmp + sizeof(__tmp), 0, _M_narrow);
|
1180 |
|
|
|
1181 |
|
|
_M_narrow_ok = 1;
|
1182 |
|
|
if (memcmp(__tmp, _M_narrow, sizeof(_M_narrow)))
|
1183 |
|
|
_M_narrow_ok = 2;
|
1184 |
|
|
else
|
1185 |
|
|
{
|
1186 |
|
|
// Deal with the special case of zero: renarrow with a
|
1187 |
|
|
// different default and compare.
|
1188 |
|
|
char __c;
|
1189 |
|
|
do_narrow(__tmp, __tmp + 1, 1, &__c);
|
1190 |
|
|
if (__c == 1)
|
1191 |
|
|
_M_narrow_ok = 2;
|
1192 |
|
|
}
|
1193 |
|
|
}
|
1194 |
|
|
};
|
1195 |
|
|
|
1196 |
|
|
template<>
|
1197 |
|
|
const ctype<char>&
|
1198 |
|
|
use_facet<ctype<char> >(const locale& __loc);
|
1199 |
|
|
|
1200 |
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
1201 |
|
|
// 22.2.1.3 ctype<wchar_t> specialization
|
1202 |
|
|
/**
|
1203 |
|
|
* @brief The ctype<wchar_t> specialization.
|
1204 |
|
|
*
|
1205 |
|
|
* This class defines classification and conversion functions for the
|
1206 |
|
|
* wchar_t type. It gets used by wchar_t streams for many I/O operations.
|
1207 |
|
|
* The wchar_t specialization provides a number of optimizations as well.
|
1208 |
|
|
*
|
1209 |
|
|
* ctype<wchar_t> inherits its public methods from
|
1210 |
|
|
* __ctype_abstract_base<wchar_t>.
|
1211 |
|
|
*/
|
1212 |
|
|
template<>
|
1213 |
|
|
class ctype<wchar_t> : public __ctype_abstract_base<wchar_t>
|
1214 |
|
|
{
|
1215 |
|
|
public:
|
1216 |
|
|
// Types:
|
1217 |
|
|
/// Typedef for the template parameter wchar_t.
|
1218 |
|
|
typedef wchar_t char_type;
|
1219 |
|
|
typedef wctype_t __wmask_type;
|
1220 |
|
|
|
1221 |
|
|
protected:
|
1222 |
|
|
__c_locale _M_c_locale_ctype;
|
1223 |
|
|
|
1224 |
|
|
// Pre-computed narrowed and widened chars.
|
1225 |
|
|
bool _M_narrow_ok;
|
1226 |
|
|
char _M_narrow[128];
|
1227 |
|
|
wint_t _M_widen[1 + static_cast<unsigned char>(-1)];
|
1228 |
|
|
|
1229 |
|
|
// Pre-computed elements for do_is.
|
1230 |
|
|
mask _M_bit[16];
|
1231 |
|
|
__wmask_type _M_wmask[16];
|
1232 |
|
|
|
1233 |
|
|
public:
|
1234 |
|
|
// Data Members:
|
1235 |
|
|
/// The facet id for ctype<wchar_t>
|
1236 |
|
|
static locale::id id;
|
1237 |
|
|
|
1238 |
|
|
/**
|
1239 |
|
|
* @brief Constructor performs initialization.
|
1240 |
|
|
*
|
1241 |
|
|
* This is the constructor provided by the standard.
|
1242 |
|
|
*
|
1243 |
|
|
* @param refs Passed to the base facet class.
|
1244 |
|
|
*/
|
1245 |
|
|
explicit
|
1246 |
|
|
ctype(size_t __refs = 0);
|
1247 |
|
|
|
1248 |
|
|
/**
|
1249 |
|
|
* @brief Constructor performs static initialization.
|
1250 |
|
|
*
|
1251 |
|
|
* This constructor is used to construct the initial C locale facet.
|
1252 |
|
|
*
|
1253 |
|
|
* @param cloc Handle to C locale data.
|
1254 |
|
|
* @param refs Passed to the base facet class.
|
1255 |
|
|
*/
|
1256 |
|
|
explicit
|
1257 |
|
|
ctype(__c_locale __cloc, size_t __refs = 0);
|
1258 |
|
|
|
1259 |
|
|
protected:
|
1260 |
|
|
__wmask_type
|
1261 |
|
|
_M_convert_to_wmask(const mask __m) const;
|
1262 |
|
|
|
1263 |
|
|
/// Destructor
|
1264 |
|
|
virtual
|
1265 |
|
|
~ctype();
|
1266 |
|
|
|
1267 |
|
|
/**
|
1268 |
|
|
* @brief Test wchar_t classification.
|
1269 |
|
|
*
|
1270 |
|
|
* This function finds a mask M for @a c and compares it to mask @a m.
|
1271 |
|
|
*
|
1272 |
|
|
* do_is() is a hook for a derived facet to change the behavior of
|
1273 |
|
|
* classifying. do_is() must always return the same result for the
|
1274 |
|
|
* same input.
|
1275 |
|
|
*
|
1276 |
|
|
* @param c The wchar_t to find the mask of.
|
1277 |
|
|
* @param m The mask to compare against.
|
1278 |
|
|
* @return (M & m) != 0.
|
1279 |
|
|
*/
|
1280 |
|
|
virtual bool
|
1281 |
|
|
do_is(mask __m, char_type __c) const;
|
1282 |
|
|
|
1283 |
|
|
/**
|
1284 |
|
|
* @brief Return a mask array.
|
1285 |
|
|
*
|
1286 |
|
|
* This function finds the mask for each wchar_t in the range [lo,hi)
|
1287 |
|
|
* and successively writes it to vec. vec must have as many elements
|
1288 |
|
|
* as the input.
|
1289 |
|
|
*
|
1290 |
|
|
* do_is() is a hook for a derived facet to change the behavior of
|
1291 |
|
|
* classifying. do_is() must always return the same result for the
|
1292 |
|
|
* same input.
|
1293 |
|
|
*
|
1294 |
|
|
* @param lo Pointer to start of range.
|
1295 |
|
|
* @param hi Pointer to end of range.
|
1296 |
|
|
* @param vec Pointer to an array of mask storage.
|
1297 |
|
|
* @return @a hi.
|
1298 |
|
|
*/
|
1299 |
|
|
virtual const char_type*
|
1300 |
|
|
do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
|
1301 |
|
|
|
1302 |
|
|
/**
|
1303 |
|
|
* @brief Find wchar_t matching mask
|
1304 |
|
|
*
|
1305 |
|
|
* This function searches for and returns the first wchar_t c in
|
1306 |
|
|
* [lo,hi) for which is(m,c) is true.
|
1307 |
|
|
*
|
1308 |
|
|
* do_scan_is() is a hook for a derived facet to change the behavior of
|
1309 |
|
|
* match searching. do_is() must always return the same result for the
|
1310 |
|
|
* same input.
|
1311 |
|
|
*
|
1312 |
|
|
* @param m The mask to compare against.
|
1313 |
|
|
* @param lo Pointer to start of range.
|
1314 |
|
|
* @param hi Pointer to end of range.
|
1315 |
|
|
* @return Pointer to a matching wchar_t if found, else @a hi.
|
1316 |
|
|
*/
|
1317 |
|
|
virtual const char_type*
|
1318 |
|
|
do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
|
1319 |
|
|
|
1320 |
|
|
/**
|
1321 |
|
|
* @brief Find wchar_t not matching mask
|
1322 |
|
|
*
|
1323 |
|
|
* This function searches for and returns a pointer to the first
|
1324 |
|
|
* wchar_t c of [lo,hi) for which is(m,c) is false.
|
1325 |
|
|
*
|
1326 |
|
|
* do_scan_is() is a hook for a derived facet to change the behavior of
|
1327 |
|
|
* match searching. do_is() must always return the same result for the
|
1328 |
|
|
* same input.
|
1329 |
|
|
*
|
1330 |
|
|
* @param m The mask to compare against.
|
1331 |
|
|
* @param lo Pointer to start of range.
|
1332 |
|
|
* @param hi Pointer to end of range.
|
1333 |
|
|
* @return Pointer to a non-matching wchar_t if found, else @a hi.
|
1334 |
|
|
*/
|
1335 |
|
|
virtual const char_type*
|
1336 |
|
|
do_scan_not(mask __m, const char_type* __lo,
|
1337 |
|
|
const char_type* __hi) const;
|
1338 |
|
|
|
1339 |
|
|
/**
|
1340 |
|
|
* @brief Convert to uppercase.
|
1341 |
|
|
*
|
1342 |
|
|
* This virtual function converts the wchar_t argument to uppercase if
|
1343 |
|
|
* possible. If not possible (for example, '2'), returns the argument.
|
1344 |
|
|
*
|
1345 |
|
|
* do_toupper() is a hook for a derived facet to change the behavior of
|
1346 |
|
|
* uppercasing. do_toupper() must always return the same result for
|
1347 |
|
|
* the same input.
|
1348 |
|
|
*
|
1349 |
|
|
* @param c The wchar_t to convert.
|
1350 |
|
|
* @return The uppercase wchar_t if convertible, else @a c.
|
1351 |
|
|
*/
|
1352 |
|
|
virtual char_type
|
1353 |
|
|
do_toupper(char_type) const;
|
1354 |
|
|
|
1355 |
|
|
/**
|
1356 |
|
|
* @brief Convert array to uppercase.
|
1357 |
|
|
*
|
1358 |
|
|
* This virtual function converts each wchar_t in the range [lo,hi) to
|
1359 |
|
|
* uppercase if possible. Other elements remain untouched.
|
1360 |
|
|
*
|
1361 |
|
|
* do_toupper() is a hook for a derived facet to change the behavior of
|
1362 |
|
|
* uppercasing. do_toupper() must always return the same result for
|
1363 |
|
|
* the same input.
|
1364 |
|
|
*
|
1365 |
|
|
* @param lo Pointer to start of range.
|
1366 |
|
|
* @param hi Pointer to end of range.
|
1367 |
|
|
* @return @a hi.
|
1368 |
|
|
*/
|
1369 |
|
|
virtual const char_type*
|
1370 |
|
|
do_toupper(char_type* __lo, const char_type* __hi) const;
|
1371 |
|
|
|
1372 |
|
|
/**
|
1373 |
|
|
* @brief Convert to lowercase.
|
1374 |
|
|
*
|
1375 |
|
|
* This virtual function converts the argument to lowercase if
|
1376 |
|
|
* possible. If not possible (for example, '2'), returns the argument.
|
1377 |
|
|
*
|
1378 |
|
|
* do_tolower() is a hook for a derived facet to change the behavior of
|
1379 |
|
|
* lowercasing. do_tolower() must always return the same result for
|
1380 |
|
|
* the same input.
|
1381 |
|
|
*
|
1382 |
|
|
* @param c The wchar_t to convert.
|
1383 |
|
|
* @return The lowercase wchar_t if convertible, else @a c.
|
1384 |
|
|
*/
|
1385 |
|
|
virtual char_type
|
1386 |
|
|
do_tolower(char_type) const;
|
1387 |
|
|
|
1388 |
|
|
/**
|
1389 |
|
|
* @brief Convert array to lowercase.
|
1390 |
|
|
*
|
1391 |
|
|
* This virtual function converts each wchar_t in the range [lo,hi) to
|
1392 |
|
|
* lowercase if possible. Other elements remain untouched.
|
1393 |
|
|
*
|
1394 |
|
|
* do_tolower() is a hook for a derived facet to change the behavior of
|
1395 |
|
|
* lowercasing. do_tolower() must always return the same result for
|
1396 |
|
|
* the same input.
|
1397 |
|
|
*
|
1398 |
|
|
* @param lo Pointer to start of range.
|
1399 |
|
|
* @param hi Pointer to end of range.
|
1400 |
|
|
* @return @a hi.
|
1401 |
|
|
*/
|
1402 |
|
|
virtual const char_type*
|
1403 |
|
|
do_tolower(char_type* __lo, const char_type* __hi) const;
|
1404 |
|
|
|
1405 |
|
|
/**
|
1406 |
|
|
* @brief Widen char to wchar_t
|
1407 |
|
|
*
|
1408 |
|
|
* This virtual function converts the char to wchar_t using the
|
1409 |
|
|
* simplest reasonable transformation. For an underived ctype<wchar_t>
|
1410 |
|
|
* facet, the argument will be cast to wchar_t.
|
1411 |
|
|
*
|
1412 |
|
|
* do_widen() is a hook for a derived facet to change the behavior of
|
1413 |
|
|
* widening. do_widen() must always return the same result for the
|
1414 |
|
|
* same input.
|
1415 |
|
|
*
|
1416 |
|
|
* Note: this is not what you want for codepage conversions. See
|
1417 |
|
|
* codecvt for that.
|
1418 |
|
|
*
|
1419 |
|
|
* @param c The char to convert.
|
1420 |
|
|
* @return The converted wchar_t.
|
1421 |
|
|
*/
|
1422 |
|
|
virtual char_type
|
1423 |
|
|
do_widen(char) const;
|
1424 |
|
|
|
1425 |
|
|
/**
|
1426 |
|
|
* @brief Widen char array to wchar_t array
|
1427 |
|
|
*
|
1428 |
|
|
* This function converts each char in the input to wchar_t using the
|
1429 |
|
|
* simplest reasonable transformation. For an underived ctype<wchar_t>
|
1430 |
|
|
* facet, the argument will be copied, casting each element to wchar_t.
|
1431 |
|
|
*
|
1432 |
|
|
* do_widen() is a hook for a derived facet to change the behavior of
|
1433 |
|
|
* widening. do_widen() must always return the same result for the
|
1434 |
|
|
* same input.
|
1435 |
|
|
*
|
1436 |
|
|
* Note: this is not what you want for codepage conversions. See
|
1437 |
|
|
* codecvt for that.
|
1438 |
|
|
*
|
1439 |
|
|
* @param lo Pointer to start range.
|
1440 |
|
|
* @param hi Pointer to end of range.
|
1441 |
|
|
* @param to Pointer to the destination array.
|
1442 |
|
|
* @return @a hi.
|
1443 |
|
|
*/
|
1444 |
|
|
virtual const char*
|
1445 |
|
|
do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
|
1446 |
|
|
|
1447 |
|
|
/**
|
1448 |
|
|
* @brief Narrow wchar_t to char
|
1449 |
|
|
*
|
1450 |
|
|
* This virtual function converts the argument to char using
|
1451 |
|
|
* the simplest reasonable transformation. If the conversion
|
1452 |
|
|
* fails, dfault is returned instead. For an underived
|
1453 |
|
|
* ctype<wchar_t> facet, @a c will be cast to char and
|
1454 |
|
|
* returned.
|
1455 |
|
|
*
|
1456 |
|
|
* do_narrow() is a hook for a derived facet to change the
|
1457 |
|
|
* behavior of narrowing. do_narrow() must always return the
|
1458 |
|
|
* same result for the same input.
|
1459 |
|
|
*
|
1460 |
|
|
* Note: this is not what you want for codepage conversions. See
|
1461 |
|
|
* codecvt for that.
|
1462 |
|
|
*
|
1463 |
|
|
* @param c The wchar_t to convert.
|
1464 |
|
|
* @param dfault Char to return if conversion fails.
|
1465 |
|
|
* @return The converted char.
|
1466 |
|
|
*/
|
1467 |
|
|
virtual char
|
1468 |
|
|
do_narrow(char_type, char __dfault) const;
|
1469 |
|
|
|
1470 |
|
|
/**
|
1471 |
|
|
* @brief Narrow wchar_t array to char array
|
1472 |
|
|
*
|
1473 |
|
|
* This virtual function converts each wchar_t in the range [lo,hi) to
|
1474 |
|
|
* char using the simplest reasonable transformation and writes the
|
1475 |
|
|
* results to the destination array. For any wchar_t in the input that
|
1476 |
|
|
* cannot be converted, @a dfault is used instead. For an underived
|
1477 |
|
|
* ctype<wchar_t> facet, the argument will be copied, casting each
|
1478 |
|
|
* element to char.
|
1479 |
|
|
*
|
1480 |
|
|
* do_narrow() is a hook for a derived facet to change the behavior of
|
1481 |
|
|
* narrowing. do_narrow() must always return the same result for the
|
1482 |
|
|
* same input.
|
1483 |
|
|
*
|
1484 |
|
|
* Note: this is not what you want for codepage conversions. See
|
1485 |
|
|
* codecvt for that.
|
1486 |
|
|
*
|
1487 |
|
|
* @param lo Pointer to start of range.
|
1488 |
|
|
* @param hi Pointer to end of range.
|
1489 |
|
|
* @param dfault Char to use if conversion fails.
|
1490 |
|
|
* @param to Pointer to the destination array.
|
1491 |
|
|
* @return @a hi.
|
1492 |
|
|
*/
|
1493 |
|
|
virtual const char_type*
|
1494 |
|
|
do_narrow(const char_type* __lo, const char_type* __hi,
|
1495 |
|
|
char __dfault, char* __dest) const;
|
1496 |
|
|
|
1497 |
|
|
// For use at construction time only.
|
1498 |
|
|
void
|
1499 |
|
|
_M_initialize_ctype();
|
1500 |
|
|
};
|
1501 |
|
|
|
1502 |
|
|
template<>
|
1503 |
|
|
const ctype<wchar_t>&
|
1504 |
|
|
use_facet<ctype<wchar_t> >(const locale& __loc);
|
1505 |
|
|
#endif //_GLIBCXX_USE_WCHAR_T
|
1506 |
|
|
|
1507 |
|
|
// Include host and configuration specific ctype inlines.
|
1508 |
|
|
#include <bits/ctype_inline.h>
|
1509 |
|
|
|
1510 |
|
|
/// @brief class ctype_byname [22.2.1.2].
|
1511 |
|
|
template<typename _CharT>
|
1512 |
|
|
class ctype_byname : public ctype<_CharT>
|
1513 |
|
|
{
|
1514 |
|
|
public:
|
1515 |
|
|
typedef _CharT char_type;
|
1516 |
|
|
|
1517 |
|
|
explicit
|
1518 |
|
|
ctype_byname(const char* __s, size_t __refs = 0);
|
1519 |
|
|
|
1520 |
|
|
protected:
|
1521 |
|
|
virtual
|
1522 |
|
|
~ctype_byname() { };
|
1523 |
|
|
};
|
1524 |
|
|
|
1525 |
|
|
/// 22.2.1.4 Class ctype_byname specializations.
|
1526 |
|
|
template<>
|
1527 |
|
|
ctype_byname<char>::ctype_byname(const char*, size_t refs);
|
1528 |
|
|
|
1529 |
|
|
template<>
|
1530 |
|
|
ctype_byname<wchar_t>::ctype_byname(const char*, size_t refs);
|
1531 |
|
|
|
1532 |
|
|
// 22.2.1.5 Template class codecvt
|
1533 |
|
|
#include <bits/codecvt.h>
|
1534 |
|
|
|
1535 |
|
|
// 22.2.2 The numeric category.
|
1536 |
|
|
class __num_base
|
1537 |
|
|
{
|
1538 |
|
|
public:
|
1539 |
|
|
// NB: Code depends on the order of _S_atoms_out elements.
|
1540 |
|
|
// Below are the indices into _S_atoms_out.
|
1541 |
|
|
enum
|
1542 |
|
|
{
|
1543 |
|
|
_S_ominus,
|
1544 |
|
|
_S_oplus,
|
1545 |
|
|
_S_ox,
|
1546 |
|
|
_S_oX,
|
1547 |
|
|
_S_odigits,
|
1548 |
|
|
_S_odigits_end = _S_odigits + 16,
|
1549 |
|
|
_S_oudigits = _S_odigits_end,
|
1550 |
|
|
_S_oudigits_end = _S_oudigits + 16,
|
1551 |
|
|
_S_oe = _S_odigits + 14, // For scientific notation, 'e'
|
1552 |
|
|
_S_oE = _S_oudigits + 14, // For scientific notation, 'E'
|
1553 |
|
|
_S_oend = _S_oudigits_end
|
1554 |
|
|
};
|
1555 |
|
|
|
1556 |
|
|
// A list of valid numeric literals for output. This array
|
1557 |
|
|
// contains chars that will be passed through the current locale's
|
1558 |
|
|
// ctype<_CharT>.widen() and then used to render numbers.
|
1559 |
|
|
// For the standard "C" locale, this is
|
1560 |
|
|
// "-+xX0123456789abcdef0123456789ABCDEF".
|
1561 |
|
|
static const char* _S_atoms_out;
|
1562 |
|
|
|
1563 |
|
|
// String literal of acceptable (narrow) input, for num_get.
|
1564 |
|
|
// "-+xX0123456789abcdefABCDEF"
|
1565 |
|
|
static const char* _S_atoms_in;
|
1566 |
|
|
|
1567 |
|
|
enum
|
1568 |
|
|
{
|
1569 |
|
|
_S_iminus,
|
1570 |
|
|
_S_iplus,
|
1571 |
|
|
_S_ix,
|
1572 |
|
|
_S_iX,
|
1573 |
|
|
_S_izero,
|
1574 |
|
|
_S_ie = _S_izero + 14,
|
1575 |
|
|
_S_iE = _S_izero + 20,
|
1576 |
|
|
_S_iend = 26
|
1577 |
|
|
};
|
1578 |
|
|
|
1579 |
|
|
// num_put
|
1580 |
|
|
// Construct and return valid scanf format for floating point types.
|
1581 |
|
|
static void
|
1582 |
|
|
_S_format_float(const ios_base& __io, char* __fptr, char __mod);
|
1583 |
|
|
};
|
1584 |
|
|
|
1585 |
|
|
template<typename _CharT>
|
1586 |
|
|
struct __numpunct_cache : public locale::facet
|
1587 |
|
|
{
|
1588 |
|
|
const char* _M_grouping;
|
1589 |
|
|
size_t _M_grouping_size;
|
1590 |
|
|
bool _M_use_grouping;
|
1591 |
|
|
const _CharT* _M_truename;
|
1592 |
|
|
size_t _M_truename_size;
|
1593 |
|
|
const _CharT* _M_falsename;
|
1594 |
|
|
size_t _M_falsename_size;
|
1595 |
|
|
_CharT _M_decimal_point;
|
1596 |
|
|
_CharT _M_thousands_sep;
|
1597 |
|
|
|
1598 |
|
|
// A list of valid numeric literals for output: in the standard
|
1599 |
|
|
// "C" locale, this is "-+xX0123456789abcdef0123456789ABCDEF".
|
1600 |
|
|
// This array contains the chars after having been passed
|
1601 |
|
|
// through the current locale's ctype<_CharT>.widen().
|
1602 |
|
|
_CharT _M_atoms_out[__num_base::_S_oend];
|
1603 |
|
|
|
1604 |
|
|
// A list of valid numeric literals for input: in the standard
|
1605 |
|
|
// "C" locale, this is "-+xX0123456789abcdefABCDEF"
|
1606 |
|
|
// This array contains the chars after having been passed
|
1607 |
|
|
// through the current locale's ctype<_CharT>.widen().
|
1608 |
|
|
_CharT _M_atoms_in[__num_base::_S_iend];
|
1609 |
|
|
|
1610 |
|
|
bool _M_allocated;
|
1611 |
|
|
|
1612 |
|
|
__numpunct_cache(size_t __refs = 0) : facet(__refs),
|
1613 |
|
|
_M_grouping(NULL), _M_grouping_size(0), _M_use_grouping(false),
|
1614 |
|
|
_M_truename(NULL), _M_truename_size(0), _M_falsename(NULL),
|
1615 |
|
|
_M_falsename_size(0), _M_decimal_point(_CharT()),
|
1616 |
|
|
_M_thousands_sep(_CharT()), _M_allocated(false)
|
1617 |
|
|
{ }
|
1618 |
|
|
|
1619 |
|
|
~__numpunct_cache();
|
1620 |
|
|
|
1621 |
|
|
void
|
1622 |
|
|
_M_cache(const locale& __loc);
|
1623 |
|
|
|
1624 |
|
|
private:
|
1625 |
|
|
__numpunct_cache&
|
1626 |
|
|
operator=(const __numpunct_cache&);
|
1627 |
|
|
|
1628 |
|
|
explicit
|
1629 |
|
|
__numpunct_cache(const __numpunct_cache&);
|
1630 |
|
|
};
|
1631 |
|
|
|
1632 |
|
|
template<typename _CharT>
|
1633 |
|
|
__numpunct_cache<_CharT>::~__numpunct_cache()
|
1634 |
|
|
{
|
1635 |
|
|
if (_M_allocated)
|
1636 |
|
|
{
|
1637 |
|
|
delete [] _M_grouping;
|
1638 |
|
|
delete [] _M_truename;
|
1639 |
|
|
delete [] _M_falsename;
|
1640 |
|
|
}
|
1641 |
|
|
}
|
1642 |
|
|
|
1643 |
|
|
/**
|
1644 |
|
|
* @brief Numpunct facet.
|
1645 |
|
|
*
|
1646 |
|
|
* This facet stores several pieces of information related to printing and
|
1647 |
|
|
* scanning numbers, such as the decimal point character. It takes a
|
1648 |
|
|
* template parameter specifying the char type. The numpunct facet is
|
1649 |
|
|
* used by streams for many I/O operations involving numbers.
|
1650 |
|
|
*
|
1651 |
|
|
* The numpunct template uses protected virtual functions to provide the
|
1652 |
|
|
* actual results. The public accessors forward the call to the virtual
|
1653 |
|
|
* functions. These virtual functions are hooks for developers to
|
1654 |
|
|
* implement the behavior they require from a numpunct facet.
|
1655 |
|
|
*/
|
1656 |
|
|
template<typename _CharT>
|
1657 |
|
|
class numpunct : public locale::facet
|
1658 |
|
|
{
|
1659 |
|
|
public:
|
1660 |
|
|
// Types:
|
1661 |
|
|
//@{
|
1662 |
|
|
/// Public typedefs
|
1663 |
|
|
typedef _CharT char_type;
|
1664 |
|
|
typedef basic_string<_CharT> string_type;
|
1665 |
|
|
//@}
|
1666 |
|
|
typedef __numpunct_cache<_CharT> __cache_type;
|
1667 |
|
|
|
1668 |
|
|
protected:
|
1669 |
|
|
__cache_type* _M_data;
|
1670 |
|
|
|
1671 |
|
|
public:
|
1672 |
|
|
/// Numpunct facet id.
|
1673 |
|
|
static locale::id id;
|
1674 |
|
|
|
1675 |
|
|
/**
|
1676 |
|
|
* @brief Numpunct constructor.
|
1677 |
|
|
*
|
1678 |
|
|
* @param refs Refcount to pass to the base class.
|
1679 |
|
|
*/
|
1680 |
|
|
explicit
|
1681 |
|
|
numpunct(size_t __refs = 0) : facet(__refs), _M_data(NULL)
|
1682 |
|
|
{ _M_initialize_numpunct(); }
|
1683 |
|
|
|
1684 |
|
|
/**
|
1685 |
|
|
* @brief Internal constructor. Not for general use.
|
1686 |
|
|
*
|
1687 |
|
|
* This is a constructor for use by the library itself to set up the
|
1688 |
|
|
* predefined locale facets.
|
1689 |
|
|
*
|
1690 |
|
|
* @param cache __numpunct_cache object.
|
1691 |
|
|
* @param refs Refcount to pass to the base class.
|
1692 |
|
|
*/
|
1693 |
|
|
explicit
|
1694 |
|
|
numpunct(__cache_type* __cache, size_t __refs = 0)
|
1695 |
|
|
: facet(__refs), _M_data(__cache)
|
1696 |
|
|
{ _M_initialize_numpunct(); }
|
1697 |
|
|
|
1698 |
|
|
/**
|
1699 |
|
|
* @brief Internal constructor. Not for general use.
|
1700 |
|
|
*
|
1701 |
|
|
* This is a constructor for use by the library itself to set up new
|
1702 |
|
|
* locales.
|
1703 |
|
|
*
|
1704 |
|
|
* @param cloc The "C" locale.
|
1705 |
|
|
* @param refs Refcount to pass to the base class.
|
1706 |
|
|
*/
|
1707 |
|
|
explicit
|
1708 |
|
|
numpunct(__c_locale __cloc, size_t __refs = 0)
|
1709 |
|
|
: facet(__refs), _M_data(NULL)
|
1710 |
|
|
{ _M_initialize_numpunct(__cloc); }
|
1711 |
|
|
|
1712 |
|
|
/**
|
1713 |
|
|
* @brief Return decimal point character.
|
1714 |
|
|
*
|
1715 |
|
|
* This function returns a char_type to use as a decimal point. It
|
1716 |
|
|
* does so by returning returning
|
1717 |
|
|
* numpunct<char_type>::do_decimal_point().
|
1718 |
|
|
*
|
1719 |
|
|
* @return @a char_type representing a decimal point.
|
1720 |
|
|
*/
|
1721 |
|
|
char_type
|
1722 |
|
|
decimal_point() const
|
1723 |
|
|
{ return this->do_decimal_point(); }
|
1724 |
|
|
|
1725 |
|
|
/**
|
1726 |
|
|
* @brief Return thousands separator character.
|
1727 |
|
|
*
|
1728 |
|
|
* This function returns a char_type to use as a thousands
|
1729 |
|
|
* separator. It does so by returning returning
|
1730 |
|
|
* numpunct<char_type>::do_thousands_sep().
|
1731 |
|
|
*
|
1732 |
|
|
* @return char_type representing a thousands separator.
|
1733 |
|
|
*/
|
1734 |
|
|
char_type
|
1735 |
|
|
thousands_sep() const
|
1736 |
|
|
{ return this->do_thousands_sep(); }
|
1737 |
|
|
|
1738 |
|
|
/**
|
1739 |
|
|
* @brief Return grouping specification.
|
1740 |
|
|
*
|
1741 |
|
|
* This function returns a string representing groupings for the
|
1742 |
|
|
* integer part of a number. Groupings indicate where thousands
|
1743 |
|
|
* separators should be inserted in the integer part of a number.
|
1744 |
|
|
*
|
1745 |
|
|
* Each char in the return string is interpret as an integer
|
1746 |
|
|
* rather than a character. These numbers represent the number
|
1747 |
|
|
* of digits in a group. The first char in the string
|
1748 |
|
|
* represents the number of digits in the least significant
|
1749 |
|
|
* group. If a char is negative, it indicates an unlimited
|
1750 |
|
|
* number of digits for the group. If more chars from the
|
1751 |
|
|
* string are required to group a number, the last char is used
|
1752 |
|
|
* repeatedly.
|
1753 |
|
|
*
|
1754 |
|
|
* For example, if the grouping() returns "\003\002" and is
|
1755 |
|
|
* applied to the number 123456789, this corresponds to
|
1756 |
|
|
* 12,34,56,789. Note that if the string was "32", this would
|
1757 |
|
|
* put more than 50 digits into the least significant group if
|
1758 |
|
|
* the character set is ASCII.
|
1759 |
|
|
*
|
1760 |
|
|
* The string is returned by calling
|
1761 |
|
|
* numpunct<char_type>::do_grouping().
|
1762 |
|
|
*
|
1763 |
|
|
* @return string representing grouping specification.
|
1764 |
|
|
*/
|
1765 |
|
|
string
|
1766 |
|
|
grouping() const
|
1767 |
|
|
{ return this->do_grouping(); }
|
1768 |
|
|
|
1769 |
|
|
/**
|
1770 |
|
|
* @brief Return string representation of bool true.
|
1771 |
|
|
*
|
1772 |
|
|
* This function returns a string_type containing the text
|
1773 |
|
|
* representation for true bool variables. It does so by calling
|
1774 |
|
|
* numpunct<char_type>::do_truename().
|
1775 |
|
|
*
|
1776 |
|
|
* @return string_type representing printed form of true.
|
1777 |
|
|
*/
|
1778 |
|
|
string_type
|
1779 |
|
|
truename() const
|
1780 |
|
|
{ return this->do_truename(); }
|
1781 |
|
|
|
1782 |
|
|
/**
|
1783 |
|
|
* @brief Return string representation of bool false.
|
1784 |
|
|
*
|
1785 |
|
|
* This function returns a string_type containing the text
|
1786 |
|
|
* representation for false bool variables. It does so by calling
|
1787 |
|
|
* numpunct<char_type>::do_falsename().
|
1788 |
|
|
*
|
1789 |
|
|
* @return string_type representing printed form of false.
|
1790 |
|
|
*/
|
1791 |
|
|
string_type
|
1792 |
|
|
falsename() const
|
1793 |
|
|
{ return this->do_falsename(); }
|
1794 |
|
|
|
1795 |
|
|
protected:
|
1796 |
|
|
/// Destructor.
|
1797 |
|
|
virtual
|
1798 |
|
|
~numpunct();
|
1799 |
|
|
|
1800 |
|
|
/**
|
1801 |
|
|
* @brief Return decimal point character.
|
1802 |
|
|
*
|
1803 |
|
|
* Returns a char_type to use as a decimal point. This function is a
|
1804 |
|
|
* hook for derived classes to change the value returned.
|
1805 |
|
|
*
|
1806 |
|
|
* @return @a char_type representing a decimal point.
|
1807 |
|
|
*/
|
1808 |
|
|
virtual char_type
|
1809 |
|
|
do_decimal_point() const
|
1810 |
|
|
{ return _M_data->_M_decimal_point; }
|
1811 |
|
|
|
1812 |
|
|
/**
|
1813 |
|
|
* @brief Return thousands separator character.
|
1814 |
|
|
*
|
1815 |
|
|
* Returns a char_type to use as a thousands separator. This function
|
1816 |
|
|
* is a hook for derived classes to change the value returned.
|
1817 |
|
|
*
|
1818 |
|
|
* @return @a char_type representing a thousands separator.
|
1819 |
|
|
*/
|
1820 |
|
|
virtual char_type
|
1821 |
|
|
do_thousands_sep() const
|
1822 |
|
|
{ return _M_data->_M_thousands_sep; }
|
1823 |
|
|
|
1824 |
|
|
/**
|
1825 |
|
|
* @brief Return grouping specification.
|
1826 |
|
|
*
|
1827 |
|
|
* Returns a string representing groupings for the integer part of a
|
1828 |
|
|
* number. This function is a hook for derived classes to change the
|
1829 |
|
|
* value returned. @see grouping() for details.
|
1830 |
|
|
*
|
1831 |
|
|
* @return String representing grouping specification.
|
1832 |
|
|
*/
|
1833 |
|
|
virtual string
|
1834 |
|
|
do_grouping() const
|
1835 |
|
|
{ return _M_data->_M_grouping; }
|
1836 |
|
|
|
1837 |
|
|
/**
|
1838 |
|
|
* @brief Return string representation of bool true.
|
1839 |
|
|
*
|
1840 |
|
|
* Returns a string_type containing the text representation for true
|
1841 |
|
|
* bool variables. This function is a hook for derived classes to
|
1842 |
|
|
* change the value returned.
|
1843 |
|
|
*
|
1844 |
|
|
* @return string_type representing printed form of true.
|
1845 |
|
|
*/
|
1846 |
|
|
virtual string_type
|
1847 |
|
|
do_truename() const
|
1848 |
|
|
{ return _M_data->_M_truename; }
|
1849 |
|
|
|
1850 |
|
|
/**
|
1851 |
|
|
* @brief Return string representation of bool false.
|
1852 |
|
|
*
|
1853 |
|
|
* Returns a string_type containing the text representation for false
|
1854 |
|
|
* bool variables. This function is a hook for derived classes to
|
1855 |
|
|
* change the value returned.
|
1856 |
|
|
*
|
1857 |
|
|
* @return string_type representing printed form of false.
|
1858 |
|
|
*/
|
1859 |
|
|
virtual string_type
|
1860 |
|
|
do_falsename() const
|
1861 |
|
|
{ return _M_data->_M_falsename; }
|
1862 |
|
|
|
1863 |
|
|
// For use at construction time only.
|
1864 |
|
|
void
|
1865 |
|
|
_M_initialize_numpunct(__c_locale __cloc = NULL);
|
1866 |
|
|
};
|
1867 |
|
|
|
1868 |
|
|
template<typename _CharT>
|
1869 |
|
|
locale::id numpunct<_CharT>::id;
|
1870 |
|
|
|
1871 |
|
|
template<>
|
1872 |
|
|
numpunct<char>::~numpunct();
|
1873 |
|
|
|
1874 |
|
|
template<>
|
1875 |
|
|
void
|
1876 |
|
|
numpunct<char>::_M_initialize_numpunct(__c_locale __cloc);
|
1877 |
|
|
|
1878 |
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
1879 |
|
|
template<>
|
1880 |
|
|
numpunct<wchar_t>::~numpunct();
|
1881 |
|
|
|
1882 |
|
|
template<>
|
1883 |
|
|
void
|
1884 |
|
|
numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc);
|
1885 |
|
|
#endif
|
1886 |
|
|
|
1887 |
|
|
/// @brief class numpunct_byname [22.2.3.2].
|
1888 |
|
|
template<typename _CharT>
|
1889 |
|
|
class numpunct_byname : public numpunct<_CharT>
|
1890 |
|
|
{
|
1891 |
|
|
public:
|
1892 |
|
|
typedef _CharT char_type;
|
1893 |
|
|
typedef basic_string<_CharT> string_type;
|
1894 |
|
|
|
1895 |
|
|
explicit
|
1896 |
|
|
numpunct_byname(const char* __s, size_t __refs = 0)
|
1897 |
|
|
: numpunct<_CharT>(__refs)
|
1898 |
|
|
{
|
1899 |
|
|
if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
|
1900 |
|
|
{
|
1901 |
|
|
__c_locale __tmp;
|
1902 |
|
|
this->_S_create_c_locale(__tmp, __s);
|
1903 |
|
|
this->_M_initialize_numpunct(__tmp);
|
1904 |
|
|
this->_S_destroy_c_locale(__tmp);
|
1905 |
|
|
}
|
1906 |
|
|
}
|
1907 |
|
|
|
1908 |
|
|
protected:
|
1909 |
|
|
virtual
|
1910 |
|
|
~numpunct_byname() { }
|
1911 |
|
|
};
|
1912 |
|
|
|
1913 |
|
|
/**
|
1914 |
|
|
* @brief Facet for parsing number strings.
|
1915 |
|
|
*
|
1916 |
|
|
* This facet encapsulates the code to parse and return a number
|
1917 |
|
|
* from a string. It is used by the istream numeric extraction
|
1918 |
|
|
* operators.
|
1919 |
|
|
*
|
1920 |
|
|
* The num_get template uses protected virtual functions to provide the
|
1921 |
|
|
* actual results. The public accessors forward the call to the virtual
|
1922 |
|
|
* functions. These virtual functions are hooks for developers to
|
1923 |
|
|
* implement the behavior they require from the num_get facet.
|
1924 |
|
|
*/
|
1925 |
|
|
template<typename _CharT, typename _InIter>
|
1926 |
|
|
class num_get : public locale::facet
|
1927 |
|
|
{
|
1928 |
|
|
public:
|
1929 |
|
|
// Types:
|
1930 |
|
|
//@{
|
1931 |
|
|
/// Public typedefs
|
1932 |
|
|
typedef _CharT char_type;
|
1933 |
|
|
typedef _InIter iter_type;
|
1934 |
|
|
//@}
|
1935 |
|
|
|
1936 |
|
|
/// Numpunct facet id.
|
1937 |
|
|
static locale::id id;
|
1938 |
|
|
|
1939 |
|
|
/**
|
1940 |
|
|
* @brief Constructor performs initialization.
|
1941 |
|
|
*
|
1942 |
|
|
* This is the constructor provided by the standard.
|
1943 |
|
|
*
|
1944 |
|
|
* @param refs Passed to the base facet class.
|
1945 |
|
|
*/
|
1946 |
|
|
explicit
|
1947 |
|
|
num_get(size_t __refs = 0) : facet(__refs) { }
|
1948 |
|
|
|
1949 |
|
|
/**
|
1950 |
|
|
* @brief Numeric parsing.
|
1951 |
|
|
*
|
1952 |
|
|
* Parses the input stream into the bool @a v. It does so by calling
|
1953 |
|
|
* num_get::do_get().
|
1954 |
|
|
*
|
1955 |
|
|
* If ios_base::boolalpha is set, attempts to read
|
1956 |
|
|
* ctype<CharT>::truename() or ctype<CharT>::falsename(). Sets
|
1957 |
|
|
* @a v to true or false if successful. Sets err to
|
1958 |
|
|
* ios_base::failbit if reading the string fails. Sets err to
|
1959 |
|
|
* ios_base::eofbit if the stream is emptied.
|
1960 |
|
|
*
|
1961 |
|
|
* If ios_base::boolalpha is not set, proceeds as with reading a long,
|
1962 |
|
|
* except if the value is 1, sets @a v to true, if the value is 0, sets
|
1963 |
|
|
* @a v to false, and otherwise set err to ios_base::failbit.
|
1964 |
|
|
*
|
1965 |
|
|
* @param in Start of input stream.
|
1966 |
|
|
* @param end End of input stream.
|
1967 |
|
|
* @param io Source of locale and flags.
|
1968 |
|
|
* @param err Error flags to set.
|
1969 |
|
|
* @param v Value to format and insert.
|
1970 |
|
|
* @return Iterator after reading.
|
1971 |
|
|
*/
|
1972 |
|
|
iter_type
|
1973 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
1974 |
|
|
ios_base::iostate& __err, bool& __v) const
|
1975 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
1976 |
|
|
|
1977 |
|
|
//@{
|
1978 |
|
|
/**
|
1979 |
|
|
* @brief Numeric parsing.
|
1980 |
|
|
*
|
1981 |
|
|
* Parses the input stream into the integral variable @a v. It does so
|
1982 |
|
|
* by calling num_get::do_get().
|
1983 |
|
|
*
|
1984 |
|
|
* Parsing is affected by the flag settings in @a io.
|
1985 |
|
|
*
|
1986 |
|
|
* The basic parse is affected by the value of io.flags() &
|
1987 |
|
|
* ios_base::basefield. If equal to ios_base::oct, parses like the
|
1988 |
|
|
* scanf %o specifier. Else if equal to ios_base::hex, parses like %X
|
1989 |
|
|
* specifier. Else if basefield equal to 0, parses like the %i
|
1990 |
|
|
* specifier. Otherwise, parses like %d for signed and %u for unsigned
|
1991 |
|
|
* types. The matching type length modifier is also used.
|
1992 |
|
|
*
|
1993 |
|
|
* Digit grouping is intrepreted according to numpunct::grouping() and
|
1994 |
|
|
* numpunct::thousands_sep(). If the pattern of digit groups isn't
|
1995 |
|
|
* consistent, sets err to ios_base::failbit.
|
1996 |
|
|
*
|
1997 |
|
|
* If parsing the string yields a valid value for @a v, @a v is set.
|
1998 |
|
|
* Otherwise, sets err to ios_base::failbit and leaves @a v unaltered.
|
1999 |
|
|
* Sets err to ios_base::eofbit if the stream is emptied.
|
2000 |
|
|
*
|
2001 |
|
|
* @param in Start of input stream.
|
2002 |
|
|
* @param end End of input stream.
|
2003 |
|
|
* @param io Source of locale and flags.
|
2004 |
|
|
* @param err Error flags to set.
|
2005 |
|
|
* @param v Value to format and insert.
|
2006 |
|
|
* @return Iterator after reading.
|
2007 |
|
|
*/
|
2008 |
|
|
iter_type
|
2009 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
2010 |
|
|
ios_base::iostate& __err, long& __v) const
|
2011 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
2012 |
|
|
|
2013 |
|
|
iter_type
|
2014 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
2015 |
|
|
ios_base::iostate& __err, unsigned short& __v) const
|
2016 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
2017 |
|
|
|
2018 |
|
|
iter_type
|
2019 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
2020 |
|
|
ios_base::iostate& __err, unsigned int& __v) const
|
2021 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
2022 |
|
|
|
2023 |
|
|
iter_type
|
2024 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
2025 |
|
|
ios_base::iostate& __err, unsigned long& __v) const
|
2026 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
2027 |
|
|
|
2028 |
|
|
#ifdef _GLIBCXX_USE_LONG_LONG
|
2029 |
|
|
iter_type
|
2030 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
2031 |
|
|
ios_base::iostate& __err, long long& __v) const
|
2032 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
2033 |
|
|
|
2034 |
|
|
iter_type
|
2035 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
2036 |
|
|
ios_base::iostate& __err, unsigned long long& __v) const
|
2037 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
2038 |
|
|
#endif
|
2039 |
|
|
//@}
|
2040 |
|
|
|
2041 |
|
|
//@{
|
2042 |
|
|
/**
|
2043 |
|
|
* @brief Numeric parsing.
|
2044 |
|
|
*
|
2045 |
|
|
* Parses the input stream into the integral variable @a v. It does so
|
2046 |
|
|
* by calling num_get::do_get().
|
2047 |
|
|
*
|
2048 |
|
|
* The input characters are parsed like the scanf %g specifier. The
|
2049 |
|
|
* matching type length modifier is also used.
|
2050 |
|
|
*
|
2051 |
|
|
* The decimal point character used is numpunct::decimal_point().
|
2052 |
|
|
* Digit grouping is intrepreted according to numpunct::grouping() and
|
2053 |
|
|
* numpunct::thousands_sep(). If the pattern of digit groups isn't
|
2054 |
|
|
* consistent, sets err to ios_base::failbit.
|
2055 |
|
|
*
|
2056 |
|
|
* If parsing the string yields a valid value for @a v, @a v is set.
|
2057 |
|
|
* Otherwise, sets err to ios_base::failbit and leaves @a v unaltered.
|
2058 |
|
|
* Sets err to ios_base::eofbit if the stream is emptied.
|
2059 |
|
|
*
|
2060 |
|
|
* @param in Start of input stream.
|
2061 |
|
|
* @param end End of input stream.
|
2062 |
|
|
* @param io Source of locale and flags.
|
2063 |
|
|
* @param err Error flags to set.
|
2064 |
|
|
* @param v Value to format and insert.
|
2065 |
|
|
* @return Iterator after reading.
|
2066 |
|
|
*/
|
2067 |
|
|
iter_type
|
2068 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
2069 |
|
|
ios_base::iostate& __err, float& __v) const
|
2070 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
2071 |
|
|
|
2072 |
|
|
iter_type
|
2073 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
2074 |
|
|
ios_base::iostate& __err, double& __v) const
|
2075 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
2076 |
|
|
|
2077 |
|
|
iter_type
|
2078 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
2079 |
|
|
ios_base::iostate& __err, long double& __v) const
|
2080 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
2081 |
|
|
//@}
|
2082 |
|
|
|
2083 |
|
|
/**
|
2084 |
|
|
* @brief Numeric parsing.
|
2085 |
|
|
*
|
2086 |
|
|
* Parses the input stream into the pointer variable @a v. It does so
|
2087 |
|
|
* by calling num_get::do_get().
|
2088 |
|
|
*
|
2089 |
|
|
* The input characters are parsed like the scanf %p specifier.
|
2090 |
|
|
*
|
2091 |
|
|
* Digit grouping is intrepreted according to numpunct::grouping() and
|
2092 |
|
|
* numpunct::thousands_sep(). If the pattern of digit groups isn't
|
2093 |
|
|
* consistent, sets err to ios_base::failbit.
|
2094 |
|
|
*
|
2095 |
|
|
* Note that the digit grouping effect for pointers is a bit ambiguous
|
2096 |
|
|
* in the standard and shouldn't be relied on. See DR 344.
|
2097 |
|
|
*
|
2098 |
|
|
* If parsing the string yields a valid value for @a v, @a v is set.
|
2099 |
|
|
* Otherwise, sets err to ios_base::failbit and leaves @a v unaltered.
|
2100 |
|
|
* Sets err to ios_base::eofbit if the stream is emptied.
|
2101 |
|
|
*
|
2102 |
|
|
* @param in Start of input stream.
|
2103 |
|
|
* @param end End of input stream.
|
2104 |
|
|
* @param io Source of locale and flags.
|
2105 |
|
|
* @param err Error flags to set.
|
2106 |
|
|
* @param v Value to format and insert.
|
2107 |
|
|
* @return Iterator after reading.
|
2108 |
|
|
*/
|
2109 |
|
|
iter_type
|
2110 |
|
|
get(iter_type __in, iter_type __end, ios_base& __io,
|
2111 |
|
|
ios_base::iostate& __err, void*& __v) const
|
2112 |
|
|
{ return this->do_get(__in, __end, __io, __err, __v); }
|
2113 |
|
|
|
2114 |
|
|
protected:
|
2115 |
|
|
/// Destructor.
|
2116 |
|
|
virtual ~num_get() { }
|
2117 |
|
|
|
2118 |
|
|
iter_type
|
2119 |
|
|
_M_extract_float(iter_type, iter_type, ios_base&, ios_base::iostate&,
|
2120 |
|
|
string& __xtrc) const;
|
2121 |
|
|
|
2122 |
|
|
template<typename _ValueT>
|
2123 |
|
|
iter_type
|
2124 |
|
|
_M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&,
|
2125 |
|
|
_ValueT& __v) const;
|
2126 |
|
|
|
2127 |
|
|
//@{
|
2128 |
|
|
/**
|
2129 |
|
|
* @brief Numeric parsing.
|
2130 |
|
|
*
|
2131 |
|
|
* Parses the input stream into the variable @a v. This function is a
|
2132 |
|
|
* hook for derived classes to change the value returned. @see get()
|
2133 |
|
|
* for more details.
|
2134 |
|
|
*
|
2135 |
|
|
* @param in Start of input stream.
|
2136 |
|
|
* @param end End of input stream.
|
2137 |
|
|
* @param io Source of locale and flags.
|
2138 |
|
|
* @param err Error flags to set.
|
2139 |
|
|
* @param v Value to format and insert.
|
2140 |
|
|
* @return Iterator after reading.
|
2141 |
|
|
*/
|
2142 |
|
|
virtual iter_type
|
2143 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const;
|
2144 |
|
|
|
2145 |
|
|
|
2146 |
|
|
virtual iter_type
|
2147 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, long&) const;
|
2148 |
|
|
|
2149 |
|
|
virtual iter_type
|
2150 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
|
2151 |
|
|
unsigned short&) const;
|
2152 |
|
|
|
2153 |
|
|
virtual iter_type
|
2154 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
|
2155 |
|
|
unsigned int&) const;
|
2156 |
|
|
|
2157 |
|
|
virtual iter_type
|
2158 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
|
2159 |
|
|
unsigned long&) const;
|
2160 |
|
|
|
2161 |
|
|
#ifdef _GLIBCXX_USE_LONG_LONG
|
2162 |
|
|
virtual iter_type
|
2163 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
|
2164 |
|
|
long long&) const;
|
2165 |
|
|
|
2166 |
|
|
virtual iter_type
|
2167 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
|
2168 |
|
|
unsigned long long&) const;
|
2169 |
|
|
#endif
|
2170 |
|
|
|
2171 |
|
|
virtual iter_type
|
2172 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
|
2173 |
|
|
float&) const;
|
2174 |
|
|
|
2175 |
|
|
virtual iter_type
|
2176 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
|
2177 |
|
|
double&) const;
|
2178 |
|
|
|
2179 |
|
|
virtual iter_type
|
2180 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
|
2181 |
|
|
long double&) const;
|
2182 |
|
|
|
2183 |
|
|
virtual iter_type
|
2184 |
|
|
do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
|
2185 |
|
|
void*&) const;
|
2186 |
|
|
//@}
|
2187 |
|
|
};
|
2188 |
|
|
|
2189 |
|
|
template<typename _CharT, typename _InIter>
|
2190 |
|
|
locale::id num_get<_CharT, _InIter>::id;
|
2191 |
|
|
|
2192 |
|
|
|
2193 |
|
|
/**
|
2194 |
|
|
* @brief Facet for converting numbers to strings.
|
2195 |
|
|
*
|
2196 |
|
|
* This facet encapsulates the code to convert a number to a string. It is
|
2197 |
|
|
* used by the ostream numeric insertion operators.
|
2198 |
|
|
*
|
2199 |
|
|
* The num_put template uses protected virtual functions to provide the
|
2200 |
|
|
* actual results. The public accessors forward the call to the virtual
|
2201 |
|
|
* functions. These virtual functions are hooks for developers to
|
2202 |
|
|
* implement the behavior they require from the num_put facet.
|
2203 |
|
|
*/
|
2204 |
|
|
template<typename _CharT, typename _OutIter>
|
2205 |
|
|
class num_put : public locale::facet
|
2206 |
|
|
{
|
2207 |
|
|
public:
|
2208 |
|
|
// Types:
|
2209 |
|
|
//@{
|
2210 |
|
|
/// Public typedefs
|
2211 |
|
|
typedef _CharT char_type;
|
2212 |
|
|
typedef _OutIter iter_type;
|
2213 |
|
|
//@}
|
2214 |
|
|
|
2215 |
|
|
/// Numpunct facet id.
|
2216 |
|
|
static locale::id id;
|
2217 |
|
|
|
2218 |
|
|
/**
|
2219 |
|
|
* @brief Constructor performs initialization.
|
2220 |
|
|
*
|
2221 |
|
|
* This is the constructor provided by the standard.
|
2222 |
|
|
*
|
2223 |
|
|
* @param refs Passed to the base facet class.
|
2224 |
|
|
*/
|
2225 |
|
|
explicit
|
2226 |
|
|
num_put(size_t __refs = 0) : facet(__refs) { }
|
2227 |
|
|
|
2228 |
|
|
/**
|
2229 |
|
|
* @brief Numeric formatting.
|
2230 |
|
|
*
|
2231 |
|
|
* Formats the boolean @a v and inserts it into a stream. It does so
|
2232 |
|
|
* by calling num_put::do_put().
|
2233 |
|
|
*
|
2234 |
|
|
* If ios_base::boolalpha is set, writes ctype<CharT>::truename() or
|
2235 |
|
|
* ctype<CharT>::falsename(). Otherwise formats @a v as an int.
|
2236 |
|
|
*
|
2237 |
|
|
* @param s Stream to write to.
|
2238 |
|
|
* @param io Source of locale and flags.
|
2239 |
|
|
* @param fill Char_type to use for filling.
|
2240 |
|
|
* @param v Value to format and insert.
|
2241 |
|
|
* @return Iterator after writing.
|
2242 |
|
|
*/
|
2243 |
|
|
iter_type
|
2244 |
|
|
put(iter_type __s, ios_base& __f, char_type __fill, bool __v) const
|
2245 |
|
|
{ return this->do_put(__s, __f, __fill, __v); }
|
2246 |
|
|
|
2247 |
|
|
//@{
|
2248 |
|
|
/**
|
2249 |
|
|
* @brief Numeric formatting.
|
2250 |
|
|
*
|
2251 |
|
|
* Formats the integral value @a v and inserts it into a
|
2252 |
|
|
* stream. It does so by calling num_put::do_put().
|
2253 |
|
|
*
|
2254 |
|
|
* Formatting is affected by the flag settings in @a io.
|
2255 |
|
|
*
|
2256 |
|
|
* The basic format is affected by the value of io.flags() &
|
2257 |
|
|
* ios_base::basefield. If equal to ios_base::oct, formats like the
|
2258 |
|
|
* printf %o specifier. Else if equal to ios_base::hex, formats like
|
2259 |
|
|
* %x or %X with ios_base::uppercase unset or set respectively.
|
2260 |
|
|
* Otherwise, formats like %d, %ld, %lld for signed and %u, %lu, %llu
|
2261 |
|
|
* for unsigned values. Note that if both oct and hex are set, neither
|
2262 |
|
|
* will take effect.
|
2263 |
|
|
*
|
2264 |
|
|
* If ios_base::showpos is set, '+' is output before positive values.
|
2265 |
|
|
* If ios_base::showbase is set, '0' precedes octal values (except 0)
|
2266 |
|
|
* and '0[xX]' precedes hex values.
|
2267 |
|
|
*
|
2268 |
|
|
* Thousands separators are inserted according to numpunct::grouping()
|
2269 |
|
|
* and numpunct::thousands_sep(). The decimal point character used is
|
2270 |
|
|
* numpunct::decimal_point().
|
2271 |
|
|
*
|
2272 |
|
|
* If io.width() is non-zero, enough @a fill characters are inserted to
|
2273 |
|
|
* make the result at least that wide. If
|
2274 |
|
|
* (io.flags() & ios_base::adjustfield) == ios_base::left, result is
|
2275 |
|
|
* padded at the end. If ios_base::internal, then padding occurs
|
2276 |
|
|
* immediately after either a '+' or '-' or after '0x' or '0X'.
|
2277 |
|
|
* Otherwise, padding occurs at the beginning.
|
2278 |
|
|
*
|
2279 |
|
|
* @param s Stream to write to.
|
2280 |
|
|
* @param io Source of locale and flags.
|
2281 |
|
|
* @param fill Char_type to use for filling.
|
2282 |
|
|
* @param v Value to format and insert.
|
2283 |
|
|
* @return Iterator after writing.
|
2284 |
|
|
*/
|
2285 |
|
|
iter_type
|
2286 |
|
|
put(iter_type __s, ios_base& __f, char_type __fill, long __v) const
|
2287 |
|
|
{ return this->do_put(__s, __f, __fill, __v); }
|
2288 |
|
|
|
2289 |
|
|
iter_type
|
2290 |
|
|
put(iter_type __s, ios_base& __f, char_type __fill,
|
2291 |
|
|
unsigned long __v) const
|
2292 |
|
|
{ return this->do_put(__s, __f, __fill, __v); }
|
2293 |
|
|
|
2294 |
|
|
#ifdef _GLIBCXX_USE_LONG_LONG
|
2295 |
|
|
iter_type
|
2296 |
|
|
put(iter_type __s, ios_base& __f, char_type __fill, long long __v) const
|
2297 |
|
|
{ return this->do_put(__s, __f, __fill, __v); }
|
2298 |
|
|
|
2299 |
|
|
iter_type
|
2300 |
|
|
put(iter_type __s, ios_base& __f, char_type __fill,
|
2301 |
|
|
unsigned long long __v) const
|
2302 |
|
|
{ return this->do_put(__s, __f, __fill, __v); }
|
2303 |
|
|
#endif
|
2304 |
|
|
//@}
|
2305 |
|
|
|
2306 |
|
|
//@{
|
2307 |
|
|
/**
|
2308 |
|
|
* @brief Numeric formatting.
|
2309 |
|
|
*
|
2310 |
|
|
* Formats the floating point value @a v and inserts it into a stream.
|
2311 |
|
|
* It does so by calling num_put::do_put().
|
2312 |
|
|
*
|
2313 |
|
|
* Formatting is affected by the flag settings in @a io.
|
2314 |
|
|
*
|
2315 |
|
|
* The basic format is affected by the value of io.flags() &
|
2316 |
|
|
* ios_base::floatfield. If equal to ios_base::fixed, formats like the
|
2317 |
|
|
* printf %f specifier. Else if equal to ios_base::scientific, formats
|
2318 |
|
|
* like %e or %E with ios_base::uppercase unset or set respectively.
|
2319 |
|
|
* Otherwise, formats like %g or %G depending on uppercase. Note that
|
2320 |
|
|
* if both fixed and scientific are set, the effect will also be like
|
2321 |
|
|
* %g or %G.
|
2322 |
|
|
*
|
2323 |
|
|
* The output precision is given by io.precision(). This precision is
|
2324 |
|
|
* capped at numeric_limits::digits10 + 2 (different for double and
|
2325 |
|
|
* long double). The default precision is 6.
|
2326 |
|
|
*
|
2327 |
|
|
* If ios_base::showpos is set, '+' is output before positive values.
|
2328 |
|
|
* If ios_base::showpoint is set, a decimal point will always be
|
2329 |
|
|
* output.
|
2330 |
|
|
*
|
2331 |
|
|
* Thousands separators are inserted according to numpunct::grouping()
|
2332 |
|
|
* and numpunct::thousands_sep(). The decimal point character used is
|
2333 |
|
|
* numpunct::decimal_point().
|
2334 |
|
|
*
|
2335 |
|
|
* If io.width() is non-zero, enough @a fill characters are inserted to
|
2336 |
|
|
* make the result at least that wide. If
|
2337 |
|
|
* (io.flags() & ios_base::adjustfield) == ios_base::left, result is
|
2338 |
|
|
* padded at the end. If ios_base::internal, then padding occurs
|
2339 |
|
|
* immediately after either a '+' or '-' or after '0x' or '0X'.
|
2340 |
|
|
* Otherwise, padding occurs at the beginning.
|
2341 |
|
|
*
|
2342 |
|
|
* @param s Stream to write to.
|
2343 |
|
|
* @param io Source of locale and flags.
|
2344 |
|
|
* @param fill Char_type to use for filling.
|
2345 |
|
|
* @param v Value to format and insert.
|
2346 |
|
|
* @return Iterator after writing.
|
2347 |
|
|
*/
|
2348 |
|
|
iter_type
|
2349 |
|
|
put(iter_type __s, ios_base& __f, char_type __fill, double __v) const
|
2350 |
|
|
{ return this->do_put(__s, __f, __fill, __v); }
|
2351 |
|
|
|
2352 |
|
|
iter_type
|
2353 |
|
|
put(iter_type __s, ios_base& __f, char_type __fill,
|
2354 |
|
|
long double __v) const
|
2355 |
|
|
{ return this->do_put(__s, __f, __fill, __v); }
|
2356 |
|
|
//@}
|
2357 |
|
|
|
2358 |
|
|
/**
|
2359 |
|
|
* @brief Numeric formatting.
|
2360 |
|
|
*
|
2361 |
|
|
* Formats the pointer value @a v and inserts it into a stream. It
|
2362 |
|
|
* does so by calling num_put::do_put().
|
2363 |
|
|
*
|
2364 |
|
|
* This function formats @a v as an unsigned long with ios_base::hex
|
2365 |
|
|
* and ios_base::showbase set.
|
2366 |
|
|
*
|
2367 |
|
|
* @param s Stream to write to.
|
2368 |
|
|
* @param io Source of locale and flags.
|
2369 |
|
|
* @param fill Char_type to use for filling.
|
2370 |
|
|
* @param v Value to format and insert.
|
2371 |
|
|
* @return Iterator after writing.
|
2372 |
|
|
*/
|
2373 |
|
|
iter_type
|
2374 |
|
|
put(iter_type __s, ios_base& __f, char_type __fill,
|
2375 |
|
|
const void* __v) const
|
2376 |
|
|
{ return this->do_put(__s, __f, __fill, __v); }
|
2377 |
|
|
|
2378 |
|
|
protected:
|
2379 |
|
|
template<typename _ValueT>
|
2380 |
|
|
iter_type
|
2381 |
|
|
_M_insert_float(iter_type, ios_base& __io, char_type __fill,
|
2382 |
|
|
char __mod, _ValueT __v) const;
|
2383 |
|
|
|
2384 |
|
|
void
|
2385 |
|
|
_M_group_float(const char* __grouping, size_t __grouping_size,
|
2386 |
|
|
char_type __sep, const char_type* __p, char_type* __new,
|
2387 |
|
|
char_type* __cs, int& __len) const;
|
2388 |
|
|
|
2389 |
|
|
template<typename _ValueT>
|
2390 |
|
|
iter_type
|
2391 |
|
|
_M_insert_int(iter_type, ios_base& __io, char_type __fill,
|
2392 |
|
|
_ValueT __v) const;
|
2393 |
|
|
|
2394 |
|
|
void
|
2395 |
|
|
_M_group_int(const char* __grouping, size_t __grouping_size,
|
2396 |
|
|
char_type __sep, ios_base& __io, char_type* __new,
|
2397 |
|
|
char_type* __cs, int& __len) const;
|
2398 |
|
|
|
2399 |
|
|
void
|
2400 |
|
|
_M_pad(char_type __fill, streamsize __w, ios_base& __io,
|
2401 |
|
|
char_type* __new, const char_type* __cs, int& __len) const;
|
2402 |
|
|
|
2403 |
|
|
/// Destructor.
|
2404 |
|
|
virtual
|
2405 |
|
|
~num_put() { };
|
2406 |
|
|
|
2407 |
|
|
//@{
|
2408 |
|
|
/**
|
2409 |
|
|
* @brief Numeric formatting.
|
2410 |
|
|
*
|
2411 |
|
|
* These functions do the work of formatting numeric values and
|
2412 |
|
|
* inserting them into a stream. This function is a hook for derived
|
2413 |
|
|
* classes to change the value returned.
|
2414 |
|
|
*
|
2415 |
|
|
* @param s Stream to write to.
|
2416 |
|
|
* @param io Source of locale and flags.
|
2417 |
|
|
* @param fill Char_type to use for filling.
|
2418 |
|
|
* @param v Value to format and insert.
|
2419 |
|
|
* @return Iterator after writing.
|
2420 |
|
|
*/
|
2421 |
|
|
virtual iter_type
|
2422 |
|
|
do_put(iter_type, ios_base&, char_type __fill, bool __v) const;
|
2423 |
|
|
|
2424 |
|
|
virtual iter_type
|
2425 |
|
|
do_put(iter_type, ios_base&, char_type __fill, long __v) const;
|
2426 |
|
|
|
2427 |
|
|
virtual iter_type
|
2428 |
|
|
do_put(iter_type, ios_base&, char_type __fill, unsigned long) const;
|
2429 |
|
|
|
2430 |
|
|
#ifdef _GLIBCXX_USE_LONG_LONG
|
2431 |
|
|
virtual iter_type
|
2432 |
|
|
do_put(iter_type, ios_base&, char_type __fill, long long __v) const;
|
2433 |
|
|
|
2434 |
|
|
virtual iter_type
|
2435 |
|
|
do_put(iter_type, ios_base&, char_type __fill, unsigned long long) const;
|
2436 |
|
|
#endif
|
2437 |
|
|
|
2438 |
|
|
virtual iter_type
|
2439 |
|
|
do_put(iter_type, ios_base&, char_type __fill, double __v) const;
|
2440 |
|
|
|
2441 |
|
|
virtual iter_type
|
2442 |
|
|
do_put(iter_type, ios_base&, char_type __fill, long double __v) const;
|
2443 |
|
|
|
2444 |
|
|
virtual iter_type
|
2445 |
|
|
do_put(iter_type, ios_base&, char_type __fill, const void* __v) const;
|
2446 |
|
|
//@}
|
2447 |
|
|
};
|
2448 |
|
|
|
2449 |
|
|
template <typename _CharT, typename _OutIter>
|
2450 |
|
|
locale::id num_put<_CharT, _OutIter>::id;
|
2451 |
|
|
|
2452 |
|
|
|
2453 |
|
|
/**
|
2454 |
|
|
* @brief Facet for localized string comparison.
|
2455 |
|
|
*
|
2456 |
|
|
* This facet encapsulates the code to compare strings in a localized
|
2457 |
|
|
* manner.
|
2458 |
|
|
*
|
2459 |
|
|
* The collate template uses protected virtual functions to provide
|
2460 |
|
|
* the actual results. The public accessors forward the call to
|
2461 |
|
|
* the virtual functions. These virtual functions are hooks for
|
2462 |
|
|
* developers to implement the behavior they require from the
|
2463 |
|
|
* collate facet.
|
2464 |
|
|
*/
|
2465 |
|
|
template<typename _CharT>
|
2466 |
|
|
class collate : public locale::facet
|
2467 |
|
|
{
|
2468 |
|
|
public:
|
2469 |
|
|
// Types:
|
2470 |
|
|
//@{
|
2471 |
|
|
/// Public typedefs
|
2472 |
|
|
typedef _CharT char_type;
|
2473 |
|
|
typedef basic_string<_CharT> string_type;
|
2474 |
|
|
//@}
|
2475 |
|
|
|
2476 |
|
|
protected:
|
2477 |
|
|
// Underlying "C" library locale information saved from
|
2478 |
|
|
// initialization, needed by collate_byname as well.
|
2479 |
|
|
__c_locale _M_c_locale_collate;
|
2480 |
|
|
|
2481 |
|
|
public:
|
2482 |
|
|
/// Numpunct facet id.
|
2483 |
|
|
static locale::id id;
|
2484 |
|
|
|
2485 |
|
|
/**
|
2486 |
|
|
* @brief Constructor performs initialization.
|
2487 |
|
|
*
|
2488 |
|
|
* This is the constructor provided by the standard.
|
2489 |
|
|
*
|
2490 |
|
|
* @param refs Passed to the base facet class.
|
2491 |
|
|
*/
|
2492 |
|
|
explicit
|
2493 |
|
|
collate(size_t __refs = 0)
|
2494 |
|
|
: facet(__refs), _M_c_locale_collate(_S_get_c_locale())
|
2495 |
|
|
{ }
|
2496 |
|
|
|
2497 |
|
|
/**
|
2498 |
|
|
* @brief Internal constructor. Not for general use.
|
2499 |
|
|
*
|
2500 |
|
|
* This is a constructor for use by the library itself to set up new
|
2501 |
|
|
* locales.
|
2502 |
|
|
*
|
2503 |
|
|
* @param cloc The "C" locale.
|
2504 |
|
|
* @param refs Passed to the base facet class.
|
2505 |
|
|
*/
|
2506 |
|
|
explicit
|
2507 |
|
|
collate(__c_locale __cloc, size_t __refs = 0)
|
2508 |
|
|
: facet(__refs), _M_c_locale_collate(_S_clone_c_locale(__cloc))
|
2509 |
|
|
{ }
|
2510 |
|
|
|
2511 |
|
|
/**
|
2512 |
|
|
* @brief Compare two strings.
|
2513 |
|
|
*
|
2514 |
|
|
* This function compares two strings and returns the result by calling
|
2515 |
|
|
* collate::do_compare().
|
2516 |
|
|
*
|
2517 |
|
|
* @param lo1 Start of string 1.
|
2518 |
|
|
* @param hi1 End of string 1.
|
2519 |
|
|
* @param lo2 Start of string 2.
|
2520 |
|
|
* @param hi2 End of string 2.
|
2521 |
|
|
* @return 1 if string1 > string2, -1 if string1 < string2, else 0.
|
2522 |
|
|
*/
|
2523 |
|
|
int
|
2524 |
|
|
compare(const _CharT* __lo1, const _CharT* __hi1,
|
2525 |
|
|
const _CharT* __lo2, const _CharT* __hi2) const
|
2526 |
|
|
{ return this->do_compare(__lo1, __hi1, __lo2, __hi2); }
|
2527 |
|
|
|
2528 |
|
|
/**
|
2529 |
|
|
* @brief Transform string to comparable form.
|
2530 |
|
|
*
|
2531 |
|
|
* This function is a wrapper for strxfrm functionality. It takes the
|
2532 |
|
|
* input string and returns a modified string that can be directly
|
2533 |
|
|
* compared to other transformed strings. In the "C" locale, this
|
2534 |
|
|
* function just returns a copy of the input string. In some other
|
2535 |
|
|
* locales, it may replace two chars with one, change a char for
|
2536 |
|
|
* another, etc. It does so by returning collate::do_transform().
|
2537 |
|
|
*
|
2538 |
|
|
* @param lo Start of string.
|
2539 |
|
|
* @param hi End of string.
|
2540 |
|
|
* @return Transformed string_type.
|
2541 |
|
|
*/
|
2542 |
|
|
string_type
|
2543 |
|
|
transform(const _CharT* __lo, const _CharT* __hi) const
|
2544 |
|
|
{ return this->do_transform(__lo, __hi); }
|
2545 |
|
|
|
2546 |
|
|
/**
|
2547 |
|
|
* @brief Return hash of a string.
|
2548 |
|
|
*
|
2549 |
|
|
* This function computes and returns a hash on the input string. It
|
2550 |
|
|
* does so by returning collate::do_hash().
|
2551 |
|
|
*
|
2552 |
|
|
* @param lo Start of string.
|
2553 |
|
|
* @param hi End of string.
|
2554 |
|
|
* @return Hash value.
|
2555 |
|
|
*/
|
2556 |
|
|
long
|
2557 |
|
|
hash(const _CharT* __lo, const _CharT* __hi) const
|
2558 |
|
|
{ return this->do_hash(__lo, __hi); }
|
2559 |
|
|
|
2560 |
|
|
// Used to abstract out _CharT bits in virtual member functions, below.
|
2561 |
|
|
int
|
2562 |
|
|
_M_compare(const _CharT*, const _CharT*) const;
|
2563 |
|
|
|
2564 |
|
|
size_t
|
2565 |
|
|
_M_transform(_CharT*, const _CharT*, size_t) const;
|
2566 |
|
|
|
2567 |
|
|
protected:
|
2568 |
|
|
/// Destructor.
|
2569 |
|
|
virtual
|
2570 |
|
|
~collate()
|
2571 |
|
|
{ _S_destroy_c_locale(_M_c_locale_collate); }
|
2572 |
|
|
|
2573 |
|
|
/**
|
2574 |
|
|
* @brief Compare two strings.
|
2575 |
|
|
*
|
2576 |
|
|
* This function is a hook for derived classes to change the value
|
2577 |
|
|
* returned. @see compare().
|
2578 |
|
|
*
|
2579 |
|
|
* @param lo1 Start of string 1.
|
2580 |
|
|
* @param hi1 End of string 1.
|
2581 |
|
|
* @param lo2 Start of string 2.
|
2582 |
|
|
* @param hi2 End of string 2.
|
2583 |
|
|
* @return 1 if string1 > string2, -1 if string1 < string2, else 0.
|
2584 |
|
|
*/
|
2585 |
|
|
virtual int
|
2586 |
|
|
do_compare(const _CharT* __lo1, const _CharT* __hi1,
|
2587 |
|
|
const _CharT* __lo2, const _CharT* __hi2) const;
|
2588 |
|
|
|
2589 |
|
|
/**
|
2590 |
|
|
* @brief Transform string to comparable form.
|
2591 |
|
|
*
|
2592 |
|
|
* This function is a hook for derived classes to change the value
|
2593 |
|
|
* returned.
|
2594 |
|
|
*
|
2595 |
|
|
* @param lo1 Start of string 1.
|
2596 |
|
|
* @param hi1 End of string 1.
|
2597 |
|
|
* @param lo2 Start of string 2.
|
2598 |
|
|
* @param hi2 End of string 2.
|
2599 |
|
|
* @return 1 if string1 > string2, -1 if string1 < string2, else 0.
|
2600 |
|
|
*/
|
2601 |
|
|
virtual string_type
|
2602 |
|
|
do_transform(const _CharT* __lo, const _CharT* __hi) const;
|
2603 |
|
|
|
2604 |
|
|
/**
|
2605 |
|
|
* @brief Return hash of a string.
|
2606 |
|
|
*
|
2607 |
|
|
* This function computes and returns a hash on the input string. This
|
2608 |
|
|
* function is a hook for derived classes to change the value returned.
|
2609 |
|
|
*
|
2610 |
|
|
* @param lo Start of string.
|
2611 |
|
|
* @param hi End of string.
|
2612 |
|
|
* @return Hash value.
|
2613 |
|
|
*/
|
2614 |
|
|
virtual long
|
2615 |
|
|
do_hash(const _CharT* __lo, const _CharT* __hi) const;
|
2616 |
|
|
};
|
2617 |
|
|
|
2618 |
|
|
template<typename _CharT>
|
2619 |
|
|
locale::id collate<_CharT>::id;
|
2620 |
|
|
|
2621 |
|
|
// Specializations.
|
2622 |
|
|
template<>
|
2623 |
|
|
int
|
2624 |
|
|
collate<char>::_M_compare(const char*, const char*) const;
|
2625 |
|
|
|
2626 |
|
|
template<>
|
2627 |
|
|
size_t
|
2628 |
|
|
collate<char>::_M_transform(char*, const char*, size_t) const;
|
2629 |
|
|
|
2630 |
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
2631 |
|
|
template<>
|
2632 |
|
|
int
|
2633 |
|
|
collate<wchar_t>::_M_compare(const wchar_t*, const wchar_t*) const;
|
2634 |
|
|
|
2635 |
|
|
template<>
|
2636 |
|
|
size_t
|
2637 |
|
|
collate<wchar_t>::_M_transform(wchar_t*, const wchar_t*, size_t) const;
|
2638 |
|
|
#endif
|
2639 |
|
|
|
2640 |
|
|
/// @brief class collate_byname [22.2.4.2].
|
2641 |
|
|
template<typename _CharT>
|
2642 |
|
|
class collate_byname : public collate<_CharT>
|
2643 |
|
|
{
|
2644 |
|
|
public:
|
2645 |
|
|
//@{
|
2646 |
|
|
/// Public typedefs
|
2647 |
|
|
typedef _CharT char_type;
|
2648 |
|
|
typedef basic_string<_CharT> string_type;
|
2649 |
|
|
//@}
|
2650 |
|
|
|
2651 |
|
|
explicit
|
2652 |
|
|
collate_byname(const char* __s, size_t __refs = 0)
|
2653 |
|
|
: collate<_CharT>(__refs)
|
2654 |
|
|
{
|
2655 |
|
|
if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
|
2656 |
|
|
{
|
2657 |
|
|
this->_S_destroy_c_locale(this->_M_c_locale_collate);
|
2658 |
|
|
this->_S_create_c_locale(this->_M_c_locale_collate, __s);
|
2659 |
|
|
}
|
2660 |
|
|
}
|
2661 |
|
|
|
2662 |
|
|
protected:
|
2663 |
|
|
virtual
|
2664 |
|
|
~collate_byname() { }
|
2665 |
|
|
};
|
2666 |
|
|
|
2667 |
|
|
|
2668 |
|
|
/**
|
2669 |
|
|
* @brief Time format ordering data.
|
2670 |
|
|
*
|
2671 |
|
|
* This class provides an enum representing different orderings of day,
|
2672 |
|
|
* month, and year.
|
2673 |
|
|
*/
|
2674 |
|
|
class time_base
|
2675 |
|
|
{
|
2676 |
|
|
public:
|
2677 |
|
|
enum dateorder { no_order, dmy, mdy, ymd, ydm };
|
2678 |
|
|
};
|
2679 |
|
|
|
2680 |
|
|
template<typename _CharT>
|
2681 |
|
|
struct __timepunct_cache : public locale::facet
|
2682 |
|
|
{
|
2683 |
|
|
// List of all known timezones, with GMT first.
|
2684 |
|
|
static const _CharT* _S_timezones[14];
|
2685 |
|
|
|
2686 |
|
|
const _CharT* _M_date_format;
|
2687 |
|
|
const _CharT* _M_date_era_format;
|
2688 |
|
|
const _CharT* _M_time_format;
|
2689 |
|
|
const _CharT* _M_time_era_format;
|
2690 |
|
|
const _CharT* _M_date_time_format;
|
2691 |
|
|
const _CharT* _M_date_time_era_format;
|
2692 |
|
|
const _CharT* _M_am;
|
2693 |
|
|
const _CharT* _M_pm;
|
2694 |
|
|
const _CharT* _M_am_pm_format;
|
2695 |
|
|
|
2696 |
|
|
// Day names, starting with "C"'s Sunday.
|
2697 |
|
|
const _CharT* _M_day1;
|
2698 |
|
|
const _CharT* _M_day2;
|
2699 |
|
|
const _CharT* _M_day3;
|
2700 |
|
|
const _CharT* _M_day4;
|
2701 |
|
|
const _CharT* _M_day5;
|
2702 |
|
|
const _CharT* _M_day6;
|
2703 |
|
|
const _CharT* _M_day7;
|
2704 |
|
|
|
2705 |
|
|
// Abbreviated day names, starting with "C"'s Sun.
|
2706 |
|
|
const _CharT* _M_aday1;
|
2707 |
|
|
const _CharT* _M_aday2;
|
2708 |
|
|
const _CharT* _M_aday3;
|
2709 |
|
|
const _CharT* _M_aday4;
|
2710 |
|
|
const _CharT* _M_aday5;
|
2711 |
|
|
const _CharT* _M_aday6;
|
2712 |
|
|
const _CharT* _M_aday7;
|
2713 |
|
|
|
2714 |
|
|
// Month names, starting with "C"'s January.
|
2715 |
|
|
const _CharT* _M_month01;
|
2716 |
|
|
const _CharT* _M_month02;
|
2717 |
|
|
const _CharT* _M_month03;
|
2718 |
|
|
const _CharT* _M_month04;
|
2719 |
|
|
const _CharT* _M_month05;
|
2720 |
|
|
const _CharT* _M_month06;
|
2721 |
|
|
const _CharT* _M_month07;
|
2722 |
|
|
const _CharT* _M_month08;
|
2723 |
|
|
const _CharT* _M_month09;
|
2724 |
|
|
const _CharT* _M_month10;
|
2725 |
|
|
const _CharT* _M_month11;
|
2726 |
|
|
const _CharT* _M_month12;
|
2727 |
|
|
|
2728 |
|
|
// Abbreviated month names, starting with "C"'s Jan.
|
2729 |
|
|
const _CharT* _M_amonth01;
|
2730 |
|
|
const _CharT* _M_amonth02;
|
2731 |
|
|
const _CharT* _M_amonth03;
|
2732 |
|
|
const _CharT* _M_amonth04;
|
2733 |
|
|
const _CharT* _M_amonth05;
|
2734 |
|
|
const _CharT* _M_amonth06;
|
2735 |
|
|
const _CharT* _M_amonth07;
|
2736 |
|
|
const _CharT* _M_amonth08;
|
2737 |
|
|
const _CharT* _M_amonth09;
|
2738 |
|
|
const _CharT* _M_amonth10;
|
2739 |
|
|
const _CharT* _M_amonth11;
|
2740 |
|
|
const _CharT* _M_amonth12;
|
2741 |
|
|
|
2742 |
|
|
bool _M_allocated;
|
2743 |
|
|
|
2744 |
|
|
__timepunct_cache(size_t __refs = 0) : facet(__refs),
|
2745 |
|
|
_M_date_format(NULL), _M_date_era_format(NULL), _M_time_format(NULL),
|
2746 |
|
|
_M_time_era_format(NULL), _M_date_time_format(NULL),
|
2747 |
|
|
_M_date_time_era_format(NULL), _M_am(NULL), _M_pm(NULL),
|
2748 |
|
|
_M_am_pm_format(NULL), _M_day1(NULL), _M_day2(NULL), _M_day3(NULL),
|
2749 |
|
|
_M_day4(NULL), _M_day5(NULL), _M_day6(NULL), _M_day7(NULL),
|
2750 |
|
|
_M_aday1(NULL), _M_aday2(NULL), _M_aday3(NULL), _M_aday4(NULL),
|
2751 |
|
|
_M_aday5(NULL), _M_aday6(NULL), _M_aday7(NULL), _M_month01(NULL),
|
2752 |
|
|
_M_month02(NULL), _M_month03(NULL), _M_month04(NULL), _M_month05(NULL),
|
2753 |
|
|
_M_month06(NULL), _M_month07(NULL), _M_month08(NULL), _M_month09(NULL),
|
2754 |
|
|
_M_month10(NULL), _M_month11(NULL), _M_month12(NULL), _M_amonth01(NULL),
|
2755 |
|
|
_M_amonth02(NULL), _M_amonth03(NULL), _M_amonth04(NULL),
|
2756 |
|
|
_M_amonth05(NULL), _M_amonth06(NULL), _M_amonth07(NULL),
|
2757 |
|
|
_M_amonth08(NULL), _M_amonth09(NULL), _M_amonth10(NULL),
|
2758 |
|
|
_M_amonth11(NULL), _M_amonth12(NULL), _M_allocated(false)
|
2759 |
|
|
{ }
|
2760 |
|
|
|
2761 |
|
|
~__timepunct_cache();
|
2762 |
|
|
|
2763 |
|
|
void
|
2764 |
|
|
_M_cache(const locale& __loc);
|
2765 |
|
|
|
2766 |
|
|
private:
|
2767 |
|
|
__timepunct_cache&
|
2768 |
|
|
operator=(const __timepunct_cache&);
|
2769 |
|
|
|
2770 |
|
|
explicit
|
2771 |
|
|
__timepunct_cache(const __timepunct_cache&);
|
2772 |
|
|
};
|
2773 |
|
|
|
2774 |
|
|
template<typename _CharT>
|
2775 |
|
|
__timepunct_cache<_CharT>::~__timepunct_cache()
|
2776 |
|
|
{
|
2777 |
|
|
if (_M_allocated)
|
2778 |
|
|
{
|
2779 |
|
|
// Unused.
|
2780 |
|
|
}
|
2781 |
|
|
}
|
2782 |
|
|
|
2783 |
|
|
// Specializations.
|
2784 |
|
|
template<>
|
2785 |
|
|
const char*
|
2786 |
|
|
__timepunct_cache<char>::_S_timezones[14];
|
2787 |
|
|
|
2788 |
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
2789 |
|
|
template<>
|
2790 |
|
|
const wchar_t*
|
2791 |
|
|
__timepunct_cache<wchar_t>::_S_timezones[14];
|
2792 |
|
|
#endif
|
2793 |
|
|
|
2794 |
|
|
// Generic.
|
2795 |
|
|
template<typename _CharT>
|
2796 |
|
|
const _CharT* __timepunct_cache<_CharT>::_S_timezones[14];
|
2797 |
|
|
|
2798 |
|
|
template<typename _CharT>
|
2799 |
|
|
class __timepunct : public locale::facet
|
2800 |
|
|
{
|
2801 |
|
|
public:
|
2802 |
|
|
// Types:
|
2803 |
|
|
typedef _CharT __char_type;
|
2804 |
|
|
typedef basic_string<_CharT> __string_type;
|
2805 |
|
|
typedef __timepunct_cache<_CharT> __cache_type;
|
2806 |
|
|
|
2807 |
|
|
protected:
|
2808 |
|
|
__cache_type* _M_data;
|
2809 |
|
|
__c_locale _M_c_locale_timepunct;
|
2810 |
|
|
const char* _M_name_timepunct;
|
2811 |
|
|
|
2812 |
|
|
public:
|
2813 |
|
|
/// Numpunct facet id.
|
2814 |
|
|
static locale::id id;
|
2815 |
|
|
|
2816 |
|
|
explicit
|
2817 |
|
|
__timepunct(size_t __refs = 0);
|
2818 |
|
|
|
2819 |
|
|
explicit
|
2820 |
|
|
__timepunct(__cache_type* __cache, size_t __refs = 0);
|
2821 |
|
|
|
2822 |
|
|
/**
|
2823 |
|
|
* @brief Internal constructor. Not for general use.
|
2824 |
|
|
*
|
2825 |
|
|
* This is a constructor for use by the library itself to set up new
|
2826 |
|
|
* locales.
|
2827 |
|
|
*
|
2828 |
|
|
* @param cloc The "C" locale.
|
2829 |
|
|
* @param s The name of a locale.
|
2830 |
|
|
* @param refs Passed to the base facet class.
|
2831 |
|
|
*/
|
2832 |
|
|
explicit
|
2833 |
|
|
__timepunct(__c_locale __cloc, const char* __s, size_t __refs = 0);
|
2834 |
|
|
|
2835 |
|
|
// FIXME: for error checking purposes _M_put should return the return
|
2836 |
|
|
// value of strftime/wcsftime.
|
2837 |
|
|
void
|
2838 |
|
|
_M_put(_CharT* __s, size_t __maxlen, const _CharT* __format,
|
2839 |
|
|
const tm* __tm) const;
|
2840 |
|
|
|
2841 |
|
|
void
|
2842 |
|
|
_M_date_formats(const _CharT** __date) const
|
2843 |
|
|
{
|
2844 |
|
|
// Always have default first.
|
2845 |
|
|
__date[0] = _M_data->_M_date_format;
|
2846 |
|
|
__date[1] = _M_data->_M_date_era_format;
|
2847 |
|
|
}
|
2848 |
|
|
|
2849 |
|
|
void
|
2850 |
|
|
_M_time_formats(const _CharT** __time) const
|
2851 |
|
|
{
|
2852 |
|
|
// Always have default first.
|
2853 |
|
|
__time[0] = _M_data->_M_time_format;
|
2854 |
|
|
__time[1] = _M_data->_M_time_era_format;
|
2855 |
|
|
}
|
2856 |
|
|
|
2857 |
|
|
void
|
2858 |
|
|
_M_date_time_formats(const _CharT** __dt) const
|
2859 |
|
|
{
|
2860 |
|
|
// Always have default first.
|
2861 |
|
|
__dt[0] = _M_data->_M_date_time_format;
|
2862 |
|
|
__dt[1] = _M_data->_M_date_time_era_format;
|
2863 |
|
|
}
|
2864 |
|
|
|
2865 |
|
|
void
|
2866 |
|
|
_M_am_pm_format(const _CharT* __ampm) const
|
2867 |
|
|
{ __ampm = _M_data->_M_am_pm_format; }
|
2868 |
|
|
|
2869 |
|
|
void
|
2870 |
|
|
_M_am_pm(const _CharT** __ampm) const
|
2871 |
|
|
{
|
2872 |
|
|
__ampm[0] = _M_data->_M_am;
|
2873 |
|
|
__ampm[1] = _M_data->_M_pm;
|
2874 |
|
|
}
|
2875 |
|
|
|
2876 |
|
|
void
|
2877 |
|
|
_M_days(const _CharT** __days) const
|
2878 |
|
|
{
|
2879 |
|
|
__days[0] = _M_data->_M_day1;
|
2880 |
|
|
__days[1] = _M_data->_M_day2;
|
2881 |
|
|
__days[2] = _M_data->_M_day3;
|
2882 |
|
|
__days[3] = _M_data->_M_day4;
|
2883 |
|
|
__days[4] = _M_data->_M_day5;
|
2884 |
|
|
__days[5] = _M_data->_M_day6;
|
2885 |
|
|
__days[6] = _M_data->_M_day7;
|
2886 |
|
|
}
|
2887 |
|
|
|
2888 |
|
|
void
|
2889 |
|
|
_M_days_abbreviated(const _CharT** __days) const
|
2890 |
|
|
{
|
2891 |
|
|
__days[0] = _M_data->_M_aday1;
|
2892 |
|
|
__days[1] = _M_data->_M_aday2;
|
2893 |
|
|
__days[2] = _M_data->_M_aday3;
|
2894 |
|
|
__days[3] = _M_data->_M_aday4;
|
2895 |
|
|
__days[4] = _M_data->_M_aday5;
|
2896 |
|
|
__days[5] = _M_data->_M_aday6;
|
2897 |
|
|
__days[6] = _M_data->_M_aday7;
|
2898 |
|
|
}
|
2899 |
|
|
|
2900 |
|
|
void
|
2901 |
|
|
_M_months(const _CharT** __months) const
|
2902 |
|
|
{
|
2903 |
|
|
__months[0] = _M_data->_M_month01;
|
2904 |
|
|
__months[1] = _M_data->_M_month02;
|
2905 |
|
|
__months[2] = _M_data->_M_month03;
|
2906 |
|
|
__months[3] = _M_data->_M_month04;
|
2907 |
|
|
__months[4] = _M_data->_M_month05;
|
2908 |
|
|
__months[5] = _M_data->_M_month06;
|
2909 |
|
|
__months[6] = _M_data->_M_month07;
|
2910 |
|
|
__months[7] = _M_data->_M_month08;
|
2911 |
|
|
__months[8] = _M_data->_M_month09;
|
2912 |
|
|
__months[9] = _M_data->_M_month10;
|
2913 |
|
|
__months[10] = _M_data->_M_month11;
|
2914 |
|
|
__months[11] = _M_data->_M_month12;
|
2915 |
|
|
}
|
2916 |
|
|
|
2917 |
|
|
void
|
2918 |
|
|
_M_months_abbreviated(const _CharT** __months) const
|
2919 |
|
|
{
|
2920 |
|
|
__months[0] = _M_data->_M_amonth01;
|
2921 |
|
|
__months[1] = _M_data->_M_amonth02;
|
2922 |
|
|
__months[2] = _M_data->_M_amonth03;
|
2923 |
|
|
__months[3] = _M_data->_M_amonth04;
|
2924 |
|
|
__months[4] = _M_data->_M_amonth05;
|
2925 |
|
|
__months[5] = _M_data->_M_amonth06;
|
2926 |
|
|
__months[6] = _M_data->_M_amonth07;
|
2927 |
|
|
__months[7] = _M_data->_M_amonth08;
|
2928 |
|
|
__months[8] = _M_data->_M_amonth09;
|
2929 |
|
|
__months[9] = _M_data->_M_amonth10;
|
2930 |
|
|
__months[10] = _M_data->_M_amonth11;
|
2931 |
|
|
__months[11] = _M_data->_M_amonth12;
|
2932 |
|
|
}
|
2933 |
|
|
|
2934 |
|
|
protected:
|
2935 |
|
|
virtual
|
2936 |
|
|
~__timepunct();
|
2937 |
|
|
|
2938 |
|
|
// For use at construction time only.
|
2939 |
|
|
void
|
2940 |
|
|
_M_initialize_timepunct(__c_locale __cloc = NULL);
|
2941 |
|
|
};
|
2942 |
|
|
|
2943 |
|
|
template<typename _CharT>
|
2944 |
|
|
locale::id __timepunct<_CharT>::id;
|
2945 |
|
|
|
2946 |
|
|
// Specializations.
|
2947 |
|
|
template<>
|
2948 |
|
|
void
|
2949 |
|
|
__timepunct<char>::_M_initialize_timepunct(__c_locale __cloc);
|
2950 |
|
|
|
2951 |
|
|
template<>
|
2952 |
|
|
void
|
2953 |
|
|
__timepunct<char>::_M_put(char*, size_t, const char*, const tm*) const;
|
2954 |
|
|
|
2955 |
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
2956 |
|
|
template<>
|
2957 |
|
|
void
|
2958 |
|
|
__timepunct<wchar_t>::_M_initialize_timepunct(__c_locale __cloc);
|
2959 |
|
|
|
2960 |
|
|
template<>
|
2961 |
|
|
void
|
2962 |
|
|
__timepunct<wchar_t>::_M_put(wchar_t*, size_t, const wchar_t*,
|
2963 |
|
|
const tm*) const;
|
2964 |
|
|
#endif
|
2965 |
|
|
|
2966 |
|
|
// Include host and configuration specific timepunct functions.
|
2967 |
|
|
#include <bits/time_members.h>
|
2968 |
|
|
|
2969 |
|
|
/**
|
2970 |
|
|
* @brief Facet for parsing dates and times.
|
2971 |
|
|
*
|
2972 |
|
|
* This facet encapsulates the code to parse and return a date or
|
2973 |
|
|
* time from a string. It is used by the istream numeric
|
2974 |
|
|
* extraction operators.
|
2975 |
|
|
*
|
2976 |
|
|
* The time_get template uses protected virtual functions to provide the
|
2977 |
|
|
* actual results. The public accessors forward the call to the virtual
|
2978 |
|
|
* functions. These virtual functions are hooks for developers to
|
2979 |
|
|
* implement the behavior they require from the time_get facet.
|
2980 |
|
|
*/
|
2981 |
|
|
template<typename _CharT, typename _InIter>
|
2982 |
|
|
class time_get : public locale::facet, public time_base
|
2983 |
|
|
{
|
2984 |
|
|
public:
|
2985 |
|
|
// Types:
|
2986 |
|
|
//@{
|
2987 |
|
|
/// Public typedefs
|
2988 |
|
|
typedef _CharT char_type;
|
2989 |
|
|
typedef _InIter iter_type;
|
2990 |
|
|
//@}
|
2991 |
|
|
typedef basic_string<_CharT> __string_type;
|
2992 |
|
|
|
2993 |
|
|
/// Numpunct facet id.
|
2994 |
|
|
static locale::id id;
|
2995 |
|
|
|
2996 |
|
|
/**
|
2997 |
|
|
* @brief Constructor performs initialization.
|
2998 |
|
|
*
|
2999 |
|
|
* This is the constructor provided by the standard.
|
3000 |
|
|
*
|
3001 |
|
|
* @param refs Passed to the base facet class.
|
3002 |
|
|
*/
|
3003 |
|
|
explicit
|
3004 |
|
|
time_get(size_t __refs = 0)
|
3005 |
|
|
: facet (__refs) { }
|
3006 |
|
|
|
3007 |
|
|
/**
|
3008 |
|
|
* @brief Return preferred order of month, day, and year.
|
3009 |
|
|
*
|
3010 |
|
|
* This function returns an enum from timebase::dateorder giving the
|
3011 |
|
|
* preferred ordering if the format "x" given to time_put::put() only
|
3012 |
|
|
* uses month, day, and year. If the format "x" for the associated
|
3013 |
|
|
* locale uses other fields, this function returns
|
3014 |
|
|
* timebase::dateorder::noorder.
|
3015 |
|
|
*
|
3016 |
|
|
* NOTE: The library always returns noorder at the moment.
|
3017 |
|
|
*
|
3018 |
|
|
* @return A member of timebase::dateorder.
|
3019 |
|
|
*/
|
3020 |
|
|
dateorder
|
3021 |
|
|
date_order() const
|
3022 |
|
|
{ return this->do_date_order(); }
|
3023 |
|
|
|
3024 |
|
|
/**
|
3025 |
|
|
* @brief Parse input time string.
|
3026 |
|
|
*
|
3027 |
|
|
* This function parses a time according to the format "x" and puts the
|
3028 |
|
|
* results into a user-supplied struct tm. The result is returned by
|
3029 |
|
|
* calling time_get::do_get_time().
|
3030 |
|
|
*
|
3031 |
|
|
* If there is a valid time string according to format "x", @a tm will
|
3032 |
|
|
* be filled in accordingly and the returned iterator will point to the
|
3033 |
|
|
* first character beyond the time string. If an error occurs before
|
3034 |
|
|
* the end, err |= ios_base::failbit. If parsing reads all the
|
3035 |
|
|
* characters, err |= ios_base::eofbit.
|
3036 |
|
|
*
|
3037 |
|
|
* @param beg Start of string to parse.
|
3038 |
|
|
* @param end End of string to parse.
|
3039 |
|
|
* @param io Source of the locale.
|
3040 |
|
|
* @param err Error flags to set.
|
3041 |
|
|
* @param tm Pointer to struct tm to fill in.
|
3042 |
|
|
* @return Iterator to first char beyond time string.
|
3043 |
|
|
*/
|
3044 |
|
|
iter_type
|
3045 |
|
|
get_time(iter_type __beg, iter_type __end, ios_base& __io,
|
3046 |
|
|
ios_base::iostate& __err, tm* __tm) const
|
3047 |
|
|
{ return this->do_get_time(__beg, __end, __io, __err, __tm); }
|
3048 |
|
|
|
3049 |
|
|
/**
|
3050 |
|
|
* @brief Parse input date string.
|
3051 |
|
|
*
|
3052 |
|
|
* This function parses a date according to the format "X" and puts the
|
3053 |
|
|
* results into a user-supplied struct tm. The result is returned by
|
3054 |
|
|
* calling time_get::do_get_date().
|
3055 |
|
|
*
|
3056 |
|
|
* If there is a valid date string according to format "X", @a tm will
|
3057 |
|
|
* be filled in accordingly and the returned iterator will point to the
|
3058 |
|
|
* first character beyond the date string. If an error occurs before
|
3059 |
|
|
* the end, err |= ios_base::failbit. If parsing reads all the
|
3060 |
|
|
* characters, err |= ios_base::eofbit.
|
3061 |
|
|
*
|
3062 |
|
|
* @param beg Start of string to parse.
|
3063 |
|
|
* @param end End of string to parse.
|
3064 |
|
|
* @param io Source of the locale.
|
3065 |
|
|
* @param err Error flags to set.
|
3066 |
|
|
* @param tm Pointer to struct tm to fill in.
|
3067 |
|
|
* @return Iterator to first char beyond date string.
|
3068 |
|
|
*/
|
3069 |
|
|
iter_type
|
3070 |
|
|
get_date(iter_type __beg, iter_type __end, ios_base& __io,
|
3071 |
|
|
ios_base::iostate& __err, tm* __tm) const
|
3072 |
|
|
{ return this->do_get_date(__beg, __end, __io, __err, __tm); }
|
3073 |
|
|
|
3074 |
|
|
/**
|
3075 |
|
|
* @brief Parse input weekday string.
|
3076 |
|
|
*
|
3077 |
|
|
* This function parses a weekday name and puts the results into a
|
3078 |
|
|
* user-supplied struct tm. The result is returned by calling
|
3079 |
|
|
* time_get::do_get_weekday().
|
3080 |
|
|
*
|
3081 |
|
|
* Parsing starts by parsing an abbreviated weekday name. If a valid
|
3082 |
|
|
* abbreviation is followed by a character that would lead to the full
|
3083 |
|
|
* weekday name, parsing continues until the full name is found or an
|
3084 |
|
|
* error occurs. Otherwise parsing finishes at the end of the
|
3085 |
|
|
* abbreviated name.
|
3086 |
|
|
*
|
3087 |
|
|
* If an error occurs before the end, err |= ios_base::failbit. If
|
3088 |
|
|
* parsing reads all the characters, err |= ios_base::eofbit.
|
3089 |
|
|
*
|
3090 |
|
|
* @param beg Start of string to parse.
|
3091 |
|
|
* @param end End of string to parse.
|
3092 |
|
|
* @param io Source of the locale.
|
3093 |
|
|
* @param err Error flags to set.
|
3094 |
|
|
* @param tm Pointer to struct tm to fill in.
|
3095 |
|
|
* @return Iterator to first char beyond weekday name.
|
3096 |
|
|
*/
|
3097 |
|
|
iter_type
|
3098 |
|
|
get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
|
3099 |
|
|
ios_base::iostate& __err, tm* __tm) const
|
3100 |
|
|
{ return this->do_get_weekday(__beg, __end, __io, __err, __tm); }
|
3101 |
|
|
|
3102 |
|
|
/**
|
3103 |
|
|
* @brief Parse input month string.
|
3104 |
|
|
*
|
3105 |
|
|
* This function parses a month name and puts the results into a
|
3106 |
|
|
* user-supplied struct tm. The result is returned by calling
|
3107 |
|
|
* time_get::do_get_monthname().
|
3108 |
|
|
*
|
3109 |
|
|
* Parsing starts by parsing an abbreviated month name. If a valid
|
3110 |
|
|
* abbreviation is followed by a character that would lead to the full
|
3111 |
|
|
* month name, parsing continues until the full name is found or an
|
3112 |
|
|
* error occurs. Otherwise parsing finishes at the end of the
|
3113 |
|
|
* abbreviated name.
|
3114 |
|
|
*
|
3115 |
|
|
* If an error occurs before the end, err |= ios_base::failbit. If
|
3116 |
|
|
* parsing reads all the characters, err |=
|
3117 |
|
|
* ios_base::eofbit.
|
3118 |
|
|
*
|
3119 |
|
|
* @param beg Start of string to parse.
|
3120 |
|
|
* @param end End of string to parse.
|
3121 |
|
|
* @param io Source of the locale.
|
3122 |
|
|
* @param err Error flags to set.
|
3123 |
|
|
* @param tm Pointer to struct tm to fill in.
|
3124 |
|
|
* @return Iterator to first char beyond month name.
|
3125 |
|
|
*/
|
3126 |
|
|
iter_type
|
3127 |
|
|
get_monthname(iter_type __beg, iter_type __end, ios_base& __io,
|
3128 |
|
|
ios_base::iostate& __err, tm* __tm) const
|
3129 |
|
|
{ return this->do_get_monthname(__beg, __end, __io, __err, __tm); }
|
3130 |
|
|
|
3131 |
|
|
/**
|
3132 |
|
|
* @brief Parse input year string.
|
3133 |
|
|
*
|
3134 |
|
|
* This function reads up to 4 characters to parse a year string and
|
3135 |
|
|
* puts the results into a user-supplied struct tm. The result is
|
3136 |
|
|
* returned by calling time_get::do_get_year().
|
3137 |
|
|
*
|
3138 |
|
|
* 4 consecutive digits are interpreted as a full year. If there are
|
3139 |
|
|
* exactly 2 consecutive digits, the library interprets this as the
|
3140 |
|
|
* number of years since 1900.
|
3141 |
|
|
*
|
3142 |
|
|
* If an error occurs before the end, err |= ios_base::failbit. If
|
3143 |
|
|
* parsing reads all the characters, err |= ios_base::eofbit.
|
3144 |
|
|
*
|
3145 |
|
|
* @param beg Start of string to parse.
|
3146 |
|
|
* @param end End of string to parse.
|
3147 |
|
|
* @param io Source of the locale.
|
3148 |
|
|
* @param err Error flags to set.
|
3149 |
|
|
* @param tm Pointer to struct tm to fill in.
|
3150 |
|
|
* @return Iterator to first char beyond year.
|
3151 |
|
|
*/
|
3152 |
|
|
iter_type
|
3153 |
|
|
get_year(iter_type __beg, iter_type __end, ios_base& __io,
|
3154 |
|
|
ios_base::iostate& __err, tm* __tm) const
|
3155 |
|
|
{ return this->do_get_year(__beg, __end, __io, __err, __tm); }
|
3156 |
|
|
|
3157 |
|
|
protected:
|
3158 |
|
|
/// Destructor.
|
3159 |
|
|
virtual
|
3160 |
|
|
~time_get() { }
|
3161 |
|
|
|
3162 |
|
|
/**
|
3163 |
|
|
* @brief Return preferred order of month, day, and year.
|
3164 |
|
|
*
|
3165 |
|
|
* This function returns an enum from timebase::dateorder giving the
|
3166 |
|
|
* preferred ordering if the format "x" given to time_put::put() only
|
3167 |
|
|
* uses month, day, and year. This function is a hook for derived
|
3168 |
|
|
* classes to change the value returned.
|
3169 |
|
|
*
|
3170 |
|
|
* @return A member of timebase::dateorder.
|
3171 |
|
|
*/
|
3172 |
|
|
virtual dateorder
|
3173 |
|
|
do_date_order() const;
|
3174 |
|
|
|
3175 |
|
|
/**
|
3176 |
|
|
* @brief Parse input time string.
|
3177 |
|
|
*
|
3178 |
|
|
* This function parses a time according to the format "x" and puts the
|
3179 |
|
|
* results into a user-supplied struct tm. This function is a hook for
|
3180 |
|
|
* derived classes to change the value returned. @see get_time() for
|
3181 |
|
|
* details.
|
3182 |
|
|
*
|
3183 |
|
|
* @param beg Start of string to parse.
|
3184 |
|
|
* @param end End of string to parse.
|
3185 |
|
|
* @param io Source of the locale.
|
3186 |
|
|
* @param err Error flags to set.
|
3187 |
|
|
* @param tm Pointer to struct tm to fill in.
|
3188 |
|
|
* @return Iterator to first char beyond time string.
|
3189 |
|
|
*/
|
3190 |
|
|
virtual iter_type
|
3191 |
|
|
do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
|
3192 |
|
|
ios_base::iostate& __err, tm* __tm) const;
|
3193 |
|
|
|
3194 |
|
|
/**
|
3195 |
|
|
* @brief Parse input date string.
|
3196 |
|
|
*
|
3197 |
|
|
* This function parses a date according to the format "X" and puts the
|
3198 |
|
|
* results into a user-supplied struct tm. This function is a hook for
|
3199 |
|
|
* derived classes to change the value returned. @see get_date() for
|
3200 |
|
|
* details.
|
3201 |
|
|
*
|
3202 |
|
|
* @param beg Start of string to parse.
|
3203 |
|
|
* @param end End of string to parse.
|
3204 |
|
|
* @param io Source of the locale.
|
3205 |
|
|
* @param err Error flags to set.
|
3206 |
|
|
* @param tm Pointer to struct tm to fill in.
|
3207 |
|
|
* @return Iterator to first char beyond date string.
|
3208 |
|
|
*/
|
3209 |
|
|
virtual iter_type
|
3210 |
|
|
do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
|
3211 |
|
|
ios_base::iostate& __err, tm* __tm) const;
|
3212 |
|
|
|
3213 |
|
|
/**
|
3214 |
|
|
* @brief Parse input weekday string.
|
3215 |
|
|
*
|
3216 |
|
|
* This function parses a weekday name and puts the results into a
|
3217 |
|
|
* user-supplied struct tm. This function is a hook for derived
|
3218 |
|
|
* classes to change the value returned. @see get_weekday() for
|
3219 |
|
|
* details.
|
3220 |
|
|
*
|
3221 |
|
|
* @param beg Start of string to parse.
|
3222 |
|
|
* @param end End of string to parse.
|
3223 |
|
|
* @param io Source of the locale.
|
3224 |
|
|
* @param err Error flags to set.
|
3225 |
|
|
* @param tm Pointer to struct tm to fill in.
|
3226 |
|
|
* @return Iterator to first char beyond weekday name.
|
3227 |
|
|
*/
|
3228 |
|
|
virtual iter_type
|
3229 |
|
|
do_get_weekday(iter_type __beg, iter_type __end, ios_base&,
|
3230 |
|
|
ios_base::iostate& __err, tm* __tm) const;
|
3231 |
|
|
|
3232 |
|
|
/**
|
3233 |
|
|
* @brief Parse input month string.
|
3234 |
|
|
*
|
3235 |
|
|
* This function parses a month name and puts the results into a
|
3236 |
|
|
* user-supplied struct tm. This function is a hook for derived
|
3237 |
|
|
* classes to change the value returned. @see get_monthname() for
|
3238 |
|
|
* details.
|
3239 |
|
|
*
|
3240 |
|
|
* @param beg Start of string to parse.
|
3241 |
|
|
* @param end End of string to parse.
|
3242 |
|
|
* @param io Source of the locale.
|
3243 |
|
|
* @param err Error flags to set.
|
3244 |
|
|
* @param tm Pointer to struct tm to fill in.
|
3245 |
|
|
* @return Iterator to first char beyond month name.
|
3246 |
|
|
*/
|
3247 |
|
|
virtual iter_type
|
3248 |
|
|
do_get_monthname(iter_type __beg, iter_type __end, ios_base&,
|
3249 |
|
|
ios_base::iostate& __err, tm* __tm) const;
|
3250 |
|
|
|
3251 |
|
|
/**
|
3252 |
|
|
* @brief Parse input year string.
|
3253 |
|
|
*
|
3254 |
|
|
* This function reads up to 4 characters to parse a year string and
|
3255 |
|
|
* puts the results into a user-supplied struct tm. This function is a
|
3256 |
|
|
* hook for derived classes to change the value returned. @see
|
3257 |
|
|
* get_year() for details.
|
3258 |
|
|
*
|
3259 |
|
|
* @param beg Start of string to parse.
|
3260 |
|
|
* @param end End of string to parse.
|
3261 |
|
|
* @param io Source of the locale.
|
3262 |
|
|
* @param err Error flags to set.
|
3263 |
|
|
* @param tm Pointer to struct tm to fill in.
|
3264 |
|
|
* @return Iterator to first char beyond year.
|
3265 |
|
|
*/
|
3266 |
|
|
virtual iter_type
|
3267 |
|
|
do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
|
3268 |
|
|
ios_base::iostate& __err, tm* __tm) const;
|
3269 |
|
|
|
3270 |
|
|
// Extract numeric component of length __len.
|
3271 |
|
|
iter_type
|
3272 |
|
|
_M_extract_num(iter_type __beg, iter_type __end, int& __member,
|
3273 |
|
|
int __min, int __max, size_t __len,
|
3274 |
|
|
ios_base& __io, ios_base::iostate& __err) const;
|
3275 |
|
|
|
3276 |
|
|
// Extract day or month name, or any unique array of string
|
3277 |
|
|
// literals in a const _CharT* array.
|
3278 |
|
|
iter_type
|
3279 |
|
|
_M_extract_name(iter_type __beg, iter_type __end, int& __member,
|
3280 |
|
|
const _CharT** __names, size_t __indexlen,
|
3281 |
|
|
ios_base& __io, ios_base::iostate& __err) const;
|
3282 |
|
|
|
3283 |
|
|
// Extract on a component-by-component basis, via __format argument.
|
3284 |
|
|
iter_type
|
3285 |
|
|
_M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
|
3286 |
|
|
ios_base::iostate& __err, tm* __tm,
|
3287 |
|
|
const _CharT* __format) const;
|
3288 |
|
|
};
|
3289 |
|
|
|
3290 |
|
|
template<typename _CharT, typename _InIter>
|
3291 |
|
|
locale::id time_get<_CharT, _InIter>::id;
|
3292 |
|
|
|
3293 |
|
|
/// @brief class time_get_byname [22.2.5.2].
|
3294 |
|
|
template<typename _CharT, typename _InIter>
|
3295 |
|
|
class time_get_byname : public time_get<_CharT, _InIter>
|
3296 |
|
|
{
|
3297 |
|
|
public:
|
3298 |
|
|
// Types:
|
3299 |
|
|
typedef _CharT char_type;
|
3300 |
|
|
typedef _InIter iter_type;
|
3301 |
|
|
|
3302 |
|
|
explicit
|
3303 |
|
|
time_get_byname(const char*, size_t __refs = 0)
|
3304 |
|
|
: time_get<_CharT, _InIter>(__refs) { }
|
3305 |
|
|
|
3306 |
|
|
protected:
|
3307 |
|
|
virtual
|
3308 |
|
|
~time_get_byname() { }
|
3309 |
|
|
};
|
3310 |
|
|
|
3311 |
|
|
/**
|
3312 |
|
|
* @brief Facet for outputting dates and times.
|
3313 |
|
|
*
|
3314 |
|
|
* This facet encapsulates the code to format and output dates and times
|
3315 |
|
|
* according to formats used by strftime().
|
3316 |
|
|
*
|
3317 |
|
|
* The time_put template uses protected virtual functions to provide the
|
3318 |
|
|
* actual results. The public accessors forward the call to the virtual
|
3319 |
|
|
* functions. These virtual functions are hooks for developers to
|
3320 |
|
|
* implement the behavior they require from the time_put facet.
|
3321 |
|
|
*/
|
3322 |
|
|
template<typename _CharT, typename _OutIter>
|
3323 |
|
|
class time_put : public locale::facet
|
3324 |
|
|
{
|
3325 |
|
|
public:
|
3326 |
|
|
// Types:
|
3327 |
|
|
//@{
|
3328 |
|
|
/// Public typedefs
|
3329 |
|
|
typedef _CharT char_type;
|
3330 |
|
|
typedef _OutIter iter_type;
|
3331 |
|
|
//@}
|
3332 |
|
|
|
3333 |
|
|
/// Numpunct facet id.
|
3334 |
|
|
static locale::id id;
|
3335 |
|
|
|
3336 |
|
|
/**
|
3337 |
|
|
* @brief Constructor performs initialization.
|
3338 |
|
|
*
|
3339 |
|
|
* This is the constructor provided by the standard.
|
3340 |
|
|
*
|
3341 |
|
|
* @param refs Passed to the base facet class.
|
3342 |
|
|
*/
|
3343 |
|
|
explicit
|
3344 |
|
|
time_put(size_t __refs = 0)
|
3345 |
|
|
: facet(__refs) { }
|
3346 |
|
|
|
3347 |
|
|
/**
|
3348 |
|
|
* @brief Format and output a time or date.
|
3349 |
|
|
*
|
3350 |
|
|
* This function formats the data in struct tm according to the
|
3351 |
|
|
* provided format string. The format string is interpreted as by
|
3352 |
|
|
* strftime().
|
3353 |
|
|
*
|
3354 |
|
|
* @param s The stream to write to.
|
3355 |
|
|
* @param io Source of locale.
|
3356 |
|
|
* @param fill char_type to use for padding.
|
3357 |
|
|
* @param tm Struct tm with date and time info to format.
|
3358 |
|
|
* @param beg Start of format string.
|
3359 |
|
|
* @param end End of format string.
|
3360 |
|
|
* @return Iterator after writing.
|
3361 |
|
|
*/
|
3362 |
|
|
iter_type
|
3363 |
|
|
put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
|
3364 |
|
|
const _CharT* __beg, const _CharT* __end) const;
|
3365 |
|
|
|
3366 |
|
|
/**
|
3367 |
|
|
* @brief Format and output a time or date.
|
3368 |
|
|
*
|
3369 |
|
|
* This function formats the data in struct tm according to the
|
3370 |
|
|
* provided format char and optional modifier. The format and modifier
|
3371 |
|
|
* are interpreted as by strftime(). It does so by returning
|
3372 |
|
|
* time_put::do_put().
|
3373 |
|
|
*
|
3374 |
|
|
* @param s The stream to write to.
|
3375 |
|
|
* @param io Source of locale.
|
3376 |
|
|
* @param fill char_type to use for padding.
|
3377 |
|
|
* @param tm Struct tm with date and time info to format.
|
3378 |
|
|
* @param format Format char.
|
3379 |
|
|
* @param mod Optional modifier char.
|
3380 |
|
|
* @return Iterator after writing.
|
3381 |
|
|
*/
|
3382 |
|
|
iter_type
|
3383 |
|
|
put(iter_type __s, ios_base& __io, char_type __fill,
|
3384 |
|
|
const tm* __tm, char __format, char __mod = 0) const
|
3385 |
|
|
{ return this->do_put(__s, __io, __fill, __tm, __format, __mod); }
|
3386 |
|
|
|
3387 |
|
|
protected:
|
3388 |
|
|
/// Destructor.
|
3389 |
|
|
virtual
|
3390 |
|
|
~time_put()
|
3391 |
|
|
{ }
|
3392 |
|
|
|
3393 |
|
|
/**
|
3394 |
|
|
* @brief Format and output a time or date.
|
3395 |
|
|
*
|
3396 |
|
|
* This function formats the data in struct tm according to the
|
3397 |
|
|
* provided format char and optional modifier. This function is a hook
|
3398 |
|
|
* for derived classes to change the value returned. @see put() for
|
3399 |
|
|
* more details.
|
3400 |
|
|
*
|
3401 |
|
|
* @param s The stream to write to.
|
3402 |
|
|
* @param io Source of locale.
|
3403 |
|
|
* @param fill char_type to use for padding.
|
3404 |
|
|
* @param tm Struct tm with date and time info to format.
|
3405 |
|
|
* @param format Format char.
|
3406 |
|
|
* @param mod Optional modifier char.
|
3407 |
|
|
* @return Iterator after writing.
|
3408 |
|
|
*/
|
3409 |
|
|
virtual iter_type
|
3410 |
|
|
do_put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
|
3411 |
|
|
char __format, char __mod) const;
|
3412 |
|
|
};
|
3413 |
|
|
|
3414 |
|
|
template<typename _CharT, typename _OutIter>
|
3415 |
|
|
locale::id time_put<_CharT, _OutIter>::id;
|
3416 |
|
|
|
3417 |
|
|
/// @brief class time_put_byname [22.2.5.4].
|
3418 |
|
|
template<typename _CharT, typename _OutIter>
|
3419 |
|
|
class time_put_byname : public time_put<_CharT, _OutIter>
|
3420 |
|
|
{
|
3421 |
|
|
public:
|
3422 |
|
|
// Types:
|
3423 |
|
|
typedef _CharT char_type;
|
3424 |
|
|
typedef _OutIter iter_type;
|
3425 |
|
|
|
3426 |
|
|
explicit
|
3427 |
|
|
time_put_byname(const char*, size_t __refs = 0)
|
3428 |
|
|
: time_put<_CharT, _OutIter>(__refs)
|
3429 |
|
|
{ };
|
3430 |
|
|
|
3431 |
|
|
protected:
|
3432 |
|
|
virtual
|
3433 |
|
|
~time_put_byname() { }
|
3434 |
|
|
};
|
3435 |
|
|
|
3436 |
|
|
|
3437 |
|
|
/**
|
3438 |
|
|
* @brief Money format ordering data.
|
3439 |
|
|
*
|
3440 |
|
|
* This class contains an ordered array of 4 fields to represent the
|
3441 |
|
|
* pattern for formatting a money amount. Each field may contain one entry
|
3442 |
|
|
* from the part enum. symbol, sign, and value must be present and the
|
3443 |
|
|
* remaining field must contain either none or space. @see
|
3444 |
|
|
* moneypunct::pos_format() and moneypunct::neg_format() for details of how
|
3445 |
|
|
* these fields are interpreted.
|
3446 |
|
|
*/
|
3447 |
|
|
class money_base
|
3448 |
|
|
{
|
3449 |
|
|
public:
|
3450 |
|
|
enum part { none, space, symbol, sign, value };
|
3451 |
|
|
struct pattern { char field[4]; };
|
3452 |
|
|
|
3453 |
|
|
static const pattern _S_default_pattern;
|
3454 |
|
|
|
3455 |
|
|
enum
|
3456 |
|
|
{
|
3457 |
|
|
_S_minus,
|
3458 |
|
|
_S_zero,
|
3459 |
|
|
_S_end = 11
|
3460 |
|
|
};
|
3461 |
|
|
|
3462 |
|
|
// String literal of acceptable (narrow) input/output, for
|
3463 |
|
|
// money_get/money_put. "-0123456789"
|
3464 |
|
|
static const char* _S_atoms;
|
3465 |
|
|
|
3466 |
|
|
// Construct and return valid pattern consisting of some combination of:
|
3467 |
|
|
// space none symbol sign value
|
3468 |
|
|
static pattern
|
3469 |
|
|
_S_construct_pattern(char __precedes, char __space, char __posn);
|
3470 |
|
|
};
|
3471 |
|
|
|
3472 |
|
|
template<typename _CharT, bool _Intl>
|
3473 |
|
|
struct __moneypunct_cache : public locale::facet
|
3474 |
|
|
{
|
3475 |
|
|
const char* _M_grouping;
|
3476 |
|
|
size_t _M_grouping_size;
|
3477 |
|
|
bool _M_use_grouping;
|
3478 |
|
|
_CharT _M_decimal_point;
|
3479 |
|
|
_CharT _M_thousands_sep;
|
3480 |
|
|
const _CharT* _M_curr_symbol;
|
3481 |
|
|
size_t _M_curr_symbol_size;
|
3482 |
|
|
const _CharT* _M_positive_sign;
|
3483 |
|
|
size_t _M_positive_sign_size;
|
3484 |
|
|
const _CharT* _M_negative_sign;
|
3485 |
|
|
size_t _M_negative_sign_size;
|
3486 |
|
|
int _M_frac_digits;
|
3487 |
|
|
money_base::pattern _M_pos_format;
|
3488 |
|
|
money_base::pattern _M_neg_format;
|
3489 |
|
|
|
3490 |
|
|
// A list of valid numeric literals for input and output: in the standard
|
3491 |
|
|
// "C" locale, this is "-0123456789". This array contains the chars after
|
3492 |
|
|
// having been passed through the current locale's ctype<_CharT>.widen().
|
3493 |
|
|
_CharT _M_atoms[money_base::_S_end];
|
3494 |
|
|
|
3495 |
|
|
bool _M_allocated;
|
3496 |
|
|
|
3497 |
|
|
__moneypunct_cache(size_t __refs = 0) : facet(__refs),
|
3498 |
|
|
_M_grouping(NULL), _M_grouping_size(0), _M_use_grouping(false),
|
3499 |
|
|
_M_decimal_point(_CharT()), _M_thousands_sep(_CharT()),
|
3500 |
|
|
_M_curr_symbol(NULL), _M_curr_symbol_size(0),
|
3501 |
|
|
_M_positive_sign(NULL), _M_positive_sign_size(0),
|
3502 |
|
|
_M_negative_sign(NULL), _M_negative_sign_size(0),
|
3503 |
|
|
_M_frac_digits(0),
|
3504 |
|
|
_M_pos_format(money_base::pattern()),
|
3505 |
|
|
_M_neg_format(money_base::pattern()), _M_allocated(false)
|
3506 |
|
|
{ }
|
3507 |
|
|
|
3508 |
|
|
~__moneypunct_cache();
|
3509 |
|
|
|
3510 |
|
|
void
|
3511 |
|
|
_M_cache(const locale& __loc);
|
3512 |
|
|
|
3513 |
|
|
private:
|
3514 |
|
|
__moneypunct_cache&
|
3515 |
|
|
operator=(const __moneypunct_cache&);
|
3516 |
|
|
|
3517 |
|
|
explicit
|
3518 |
|
|
__moneypunct_cache(const __moneypunct_cache&);
|
3519 |
|
|
};
|
3520 |
|
|
|
3521 |
|
|
template<typename _CharT, bool _Intl>
|
3522 |
|
|
__moneypunct_cache<_CharT, _Intl>::~__moneypunct_cache()
|
3523 |
|
|
{
|
3524 |
|
|
if (_M_allocated)
|
3525 |
|
|
{
|
3526 |
|
|
delete [] _M_grouping;
|
3527 |
|
|
delete [] _M_curr_symbol;
|
3528 |
|
|
delete [] _M_positive_sign;
|
3529 |
|
|
delete [] _M_negative_sign;
|
3530 |
|
|
}
|
3531 |
|
|
}
|
3532 |
|
|
|
3533 |
|
|
/**
|
3534 |
|
|
* @brief Facet for formatting data for money amounts.
|
3535 |
|
|
*
|
3536 |
|
|
* This facet encapsulates the punctuation, grouping and other formatting
|
3537 |
|
|
* features of money amount string representations.
|
3538 |
|
|
*/
|
3539 |
|
|
template<typename _CharT, bool _Intl>
|
3540 |
|
|
class moneypunct : public locale::facet, public money_base
|
3541 |
|
|
{
|
3542 |
|
|
public:
|
3543 |
|
|
// Types:
|
3544 |
|
|
//@{
|
3545 |
|
|
/// Public typedefs
|
3546 |
|
|
typedef _CharT char_type;
|
3547 |
|
|
typedef basic_string<_CharT> string_type;
|
3548 |
|
|
//@}
|
3549 |
|
|
typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
|
3550 |
|
|
|
3551 |
|
|
private:
|
3552 |
|
|
__cache_type* _M_data;
|
3553 |
|
|
|
3554 |
|
|
public:
|
3555 |
|
|
/// This value is provided by the standard, but no reason for its
|
3556 |
|
|
/// existence.
|
3557 |
|
|
static const bool intl = _Intl;
|
3558 |
|
|
/// Numpunct facet id.
|
3559 |
|
|
static locale::id id;
|
3560 |
|
|
|
3561 |
|
|
/**
|
3562 |
|
|
* @brief Constructor performs initialization.
|
3563 |
|
|
*
|
3564 |
|
|
* This is the constructor provided by the standard.
|
3565 |
|
|
*
|
3566 |
|
|
* @param refs Passed to the base facet class.
|
3567 |
|
|
*/
|
3568 |
|
|
explicit
|
3569 |
|
|
moneypunct(size_t __refs = 0) : facet(__refs), _M_data(NULL)
|
3570 |
|
|
{ _M_initialize_moneypunct(); }
|
3571 |
|
|
|
3572 |
|
|
/**
|
3573 |
|
|
* @brief Constructor performs initialization.
|
3574 |
|
|
*
|
3575 |
|
|
* This is an internal constructor.
|
3576 |
|
|
*
|
3577 |
|
|
* @param cache Cache for optimization.
|
3578 |
|
|
* @param refs Passed to the base facet class.
|
3579 |
|
|
*/
|
3580 |
|
|
explicit
|
3581 |
|
|
moneypunct(__cache_type* __cache, size_t __refs = 0)
|
3582 |
|
|
: facet(__refs), _M_data(__cache)
|
3583 |
|
|
{ _M_initialize_moneypunct(); }
|
3584 |
|
|
|
3585 |
|
|
/**
|
3586 |
|
|
* @brief Internal constructor. Not for general use.
|
3587 |
|
|
*
|
3588 |
|
|
* This is a constructor for use by the library itself to set up new
|
3589 |
|
|
* locales.
|
3590 |
|
|
*
|
3591 |
|
|
* @param cloc The "C" locale.
|
3592 |
|
|
* @param s The name of a locale.
|
3593 |
|
|
* @param refs Passed to the base facet class.
|
3594 |
|
|
*/
|
3595 |
|
|
explicit
|
3596 |
|
|
moneypunct(__c_locale __cloc, const char* __s, size_t __refs = 0)
|
3597 |
|
|
: facet(__refs), _M_data(NULL)
|
3598 |
|
|
{ _M_initialize_moneypunct(__cloc, __s); }
|
3599 |
|
|
|
3600 |
|
|
/**
|
3601 |
|
|
* @brief Return decimal point character.
|
3602 |
|
|
*
|
3603 |
|
|
* This function returns a char_type to use as a decimal point. It
|
3604 |
|
|
* does so by returning returning
|
3605 |
|
|
* moneypunct<char_type>::do_decimal_point().
|
3606 |
|
|
*
|
3607 |
|
|
* @return @a char_type representing a decimal point.
|
3608 |
|
|
*/
|
3609 |
|
|
char_type
|
3610 |
|
|
decimal_point() const
|
3611 |
|
|
{ return this->do_decimal_point(); }
|
3612 |
|
|
|
3613 |
|
|
/**
|
3614 |
|
|
* @brief Return thousands separator character.
|
3615 |
|
|
*
|
3616 |
|
|
* This function returns a char_type to use as a thousands
|
3617 |
|
|
* separator. It does so by returning returning
|
3618 |
|
|
* moneypunct<char_type>::do_thousands_sep().
|
3619 |
|
|
*
|
3620 |
|
|
* @return char_type representing a thousands separator.
|
3621 |
|
|
*/
|
3622 |
|
|
char_type
|
3623 |
|
|
thousands_sep() const
|
3624 |
|
|
{ return this->do_thousands_sep(); }
|
3625 |
|
|
|
3626 |
|
|
/**
|
3627 |
|
|
* @brief Return grouping specification.
|
3628 |
|
|
*
|
3629 |
|
|
* This function returns a string representing groupings for the
|
3630 |
|
|
* integer part of an amount. Groupings indicate where thousands
|
3631 |
|
|
* separators should be inserted.
|
3632 |
|
|
*
|
3633 |
|
|
* Each char in the return string is interpret as an integer rather
|
3634 |
|
|
* than a character. These numbers represent the number of digits in a
|
3635 |
|
|
* group. The first char in the string represents the number of digits
|
3636 |
|
|
* in the least significant group. If a char is negative, it indicates
|
3637 |
|
|
* an unlimited number of digits for the group. If more chars from the
|
3638 |
|
|
* string are required to group a number, the last char is used
|
3639 |
|
|
* repeatedly.
|
3640 |
|
|
*
|
3641 |
|
|
* For example, if the grouping() returns "\003\002" and is applied to
|
3642 |
|
|
* the number 123456789, this corresponds to 12,34,56,789. Note that
|
3643 |
|
|
* if the string was "32", this would put more than 50 digits into the
|
3644 |
|
|
* least significant group if the character set is ASCII.
|
3645 |
|
|
*
|
3646 |
|
|
* The string is returned by calling
|
3647 |
|
|
* moneypunct<char_type>::do_grouping().
|
3648 |
|
|
*
|
3649 |
|
|
* @return string representing grouping specification.
|
3650 |
|
|
*/
|
3651 |
|
|
string
|
3652 |
|
|
grouping() const
|
3653 |
|
|
{ return this->do_grouping(); }
|
3654 |
|
|
|
3655 |
|
|
/**
|
3656 |
|
|
* @brief Return currency symbol string.
|
3657 |
|
|
*
|
3658 |
|
|
* This function returns a string_type to use as a currency symbol. It
|
3659 |
|
|
* does so by returning returning
|
3660 |
|
|
* moneypunct<char_type>::do_curr_symbol().
|
3661 |
|
|
*
|
3662 |
|
|
* @return @a string_type representing a currency symbol.
|
3663 |
|
|
*/
|
3664 |
|
|
string_type
|
3665 |
|
|
curr_symbol() const
|
3666 |
|
|
{ return this->do_curr_symbol(); }
|
3667 |
|
|
|
3668 |
|
|
/**
|
3669 |
|
|
* @brief Return positive sign string.
|
3670 |
|
|
*
|
3671 |
|
|
* This function returns a string_type to use as a sign for positive
|
3672 |
|
|
* amounts. It does so by returning returning
|
3673 |
|
|
* moneypunct<char_type>::do_positive_sign().
|
3674 |
|
|
*
|
3675 |
|
|
* If the return value contains more than one character, the first
|
3676 |
|
|
* character appears in the position indicated by pos_format() and the
|
3677 |
|
|
* remainder appear at the end of the formatted string.
|
3678 |
|
|
*
|
3679 |
|
|
* @return @a string_type representing a positive sign.
|
3680 |
|
|
*/
|
3681 |
|
|
string_type
|
3682 |
|
|
positive_sign() const
|
3683 |
|
|
{ return this->do_positive_sign(); }
|
3684 |
|
|
|
3685 |
|
|
/**
|
3686 |
|
|
* @brief Return negative sign string.
|
3687 |
|
|
*
|
3688 |
|
|
* This function returns a string_type to use as a sign for negative
|
3689 |
|
|
* amounts. It does so by returning returning
|
3690 |
|
|
* moneypunct<char_type>::do_negative_sign().
|
3691 |
|
|
*
|
3692 |
|
|
* If the return value contains more than one character, the first
|
3693 |
|
|
* character appears in the position indicated by neg_format() and the
|
3694 |
|
|
* remainder appear at the end of the formatted string.
|
3695 |
|
|
*
|
3696 |
|
|
* @return @a string_type representing a negative sign.
|
3697 |
|
|
*/
|
3698 |
|
|
string_type
|
3699 |
|
|
negative_sign() const
|
3700 |
|
|
{ return this->do_negative_sign(); }
|
3701 |
|
|
|
3702 |
|
|
/**
|
3703 |
|
|
* @brief Return number of digits in fraction.
|
3704 |
|
|
*
|
3705 |
|
|
* This function returns the exact number of digits that make up the
|
3706 |
|
|
* fractional part of a money amount. It does so by returning
|
3707 |
|
|
* returning moneypunct<char_type>::do_frac_digits().
|
3708 |
|
|
*
|
3709 |
|
|
* The fractional part of a money amount is optional. But if it is
|
3710 |
|
|
* present, there must be frac_digits() digits.
|
3711 |
|
|
*
|
3712 |
|
|
* @return Number of digits in amount fraction.
|
3713 |
|
|
*/
|
3714 |
|
|
int
|
3715 |
|
|
frac_digits() const
|
3716 |
|
|
{ return this->do_frac_digits(); }
|
3717 |
|
|
|
3718 |
|
|
//@{
|
3719 |
|
|
/**
|
3720 |
|
|
* @brief Return pattern for money values.
|
3721 |
|
|
*
|
3722 |
|
|
* This function returns a pattern describing the formatting of a
|
3723 |
|
|
* positive or negative valued money amount. It does so by returning
|
3724 |
|
|
* returning moneypunct<char_type>::do_pos_format() or
|
3725 |
|
|
* moneypunct<char_type>::do_neg_format().
|
3726 |
|
|
*
|
3727 |
|
|
* The pattern has 4 fields describing the ordering of symbol, sign,
|
3728 |
|
|
* value, and none or space. There must be one of each in the pattern.
|
3729 |
|
|
* The none and space enums may not appear in the first field and space
|
3730 |
|
|
* may not appear in the final field.
|
3731 |
|
|
*
|
3732 |
|
|
* The parts of a money string must appear in the order indicated by
|
3733 |
|
|
* the fields of the pattern. The symbol field indicates that the
|
3734 |
|
|
* value of curr_symbol() may be present. The sign field indicates
|
3735 |
|
|
* that the value of positive_sign() or negative_sign() must be
|
3736 |
|
|
* present. The value field indicates that the absolute value of the
|
3737 |
|
|
* money amount is present. none indicates 0 or more whitespace
|
3738 |
|
|
* characters, except at the end, where it permits no whitespace.
|
3739 |
|
|
* space indicates that 1 or more whitespace characters must be
|
3740 |
|
|
* present.
|
3741 |
|
|
*
|
3742 |
|
|
* For example, for the US locale and pos_format() pattern
|
3743 |
|
|
* {symbol,sign,value,none}, curr_symbol() == '$' positive_sign() ==
|
3744 |
|
|
* '+', and value 10.01, and options set to force the symbol, the
|
3745 |
|
|
* corresponding string is "$+10.01".
|
3746 |
|
|
*
|
3747 |
|
|
* @return Pattern for money values.
|
3748 |
|
|
*/
|
3749 |
|
|
pattern
|
3750 |
|
|
pos_format() const
|
3751 |
|
|
{ return this->do_pos_format(); }
|
3752 |
|
|
|
3753 |
|
|
pattern
|
3754 |
|
|
neg_format() const
|
3755 |
|
|
{ return this->do_neg_format(); }
|
3756 |
|
|
//@}
|
3757 |
|
|
|
3758 |
|
|
protected:
|
3759 |
|
|
/// Destructor.
|
3760 |
|
|
virtual
|
3761 |
|
|
~moneypunct();
|
3762 |
|
|
|
3763 |
|
|
/**
|
3764 |
|
|
* @brief Return decimal point character.
|
3765 |
|
|
*
|
3766 |
|
|
* Returns a char_type to use as a decimal point. This function is a
|
3767 |
|
|
* hook for derived classes to change the value returned.
|
3768 |
|
|
*
|
3769 |
|
|
* @return @a char_type representing a decimal point.
|
3770 |
|
|
*/
|
3771 |
|
|
virtual char_type
|
3772 |
|
|
do_decimal_point() const
|
3773 |
|
|
{ return _M_data->_M_decimal_point; }
|
3774 |
|
|
|
3775 |
|
|
/**
|
3776 |
|
|
* @brief Return thousands separator character.
|
3777 |
|
|
*
|
3778 |
|
|
* Returns a char_type to use as a thousands separator. This function
|
3779 |
|
|
* is a hook for derived classes to change the value returned.
|
3780 |
|
|
*
|
3781 |
|
|
* @return @a char_type representing a thousands separator.
|
3782 |
|
|
*/
|
3783 |
|
|
virtual char_type
|
3784 |
|
|
do_thousands_sep() const
|
3785 |
|
|
{ return _M_data->_M_thousands_sep; }
|
3786 |
|
|
|
3787 |
|
|
/**
|
3788 |
|
|
* @brief Return grouping specification.
|
3789 |
|
|
*
|
3790 |
|
|
* Returns a string representing groupings for the integer part of a
|
3791 |
|
|
* number. This function is a hook for derived classes to change the
|
3792 |
|
|
* value returned. @see grouping() for details.
|
3793 |
|
|
*
|
3794 |
|
|
* @return String representing grouping specification.
|
3795 |
|
|
*/
|
3796 |
|
|
virtual string
|
3797 |
|
|
do_grouping() const
|
3798 |
|
|
{ return _M_data->_M_grouping; }
|
3799 |
|
|
|
3800 |
|
|
/**
|
3801 |
|
|
* @brief Return currency symbol string.
|
3802 |
|
|
*
|
3803 |
|
|
* This function returns a string_type to use as a currency symbol.
|
3804 |
|
|
* This function is a hook for derived classes to change the value
|
3805 |
|
|
* returned. @see curr_symbol() for details.
|
3806 |
|
|
*
|
3807 |
|
|
* @return @a string_type representing a currency symbol.
|
3808 |
|
|
*/
|
3809 |
|
|
virtual string_type
|
3810 |
|
|
do_curr_symbol() const
|
3811 |
|
|
{ return _M_data->_M_curr_symbol; }
|
3812 |
|
|
|
3813 |
|
|
/**
|
3814 |
|
|
* @brief Return positive sign string.
|
3815 |
|
|
*
|
3816 |
|
|
* This function returns a string_type to use as a sign for positive
|
3817 |
|
|
* amounts. This function is a hook for derived classes to change the
|
3818 |
|
|
* value returned. @see positive_sign() for details.
|
3819 |
|
|
*
|
3820 |
|
|
* @return @a string_type representing a positive sign.
|
3821 |
|
|
*/
|
3822 |
|
|
virtual string_type
|
3823 |
|
|
do_positive_sign() const
|
3824 |
|
|
{ return _M_data->_M_positive_sign; }
|
3825 |
|
|
|
3826 |
|
|
/**
|
3827 |
|
|
* @brief Return negative sign string.
|
3828 |
|
|
*
|
3829 |
|
|
* This function returns a string_type to use as a sign for negative
|
3830 |
|
|
* amounts. This function is a hook for derived classes to change the
|
3831 |
|
|
* value returned. @see negative_sign() for details.
|
3832 |
|
|
*
|
3833 |
|
|
* @return @a string_type representing a negative sign.
|
3834 |
|
|
*/
|
3835 |
|
|
virtual string_type
|
3836 |
|
|
do_negative_sign() const
|
3837 |
|
|
{ return _M_data->_M_negative_sign; }
|
3838 |
|
|
|
3839 |
|
|
/**
|
3840 |
|
|
* @brief Return number of digits in fraction.
|
3841 |
|
|
*
|
3842 |
|
|
* This function returns the exact number of digits that make up the
|
3843 |
|
|
* fractional part of a money amount. This function is a hook for
|
3844 |
|
|
* derived classes to change the value returned. @see frac_digits()
|
3845 |
|
|
* for details.
|
3846 |
|
|
*
|
3847 |
|
|
* @return Number of digits in amount fraction.
|
3848 |
|
|
*/
|
3849 |
|
|
virtual int
|
3850 |
|
|
do_frac_digits() const
|
3851 |
|
|
{ return _M_data->_M_frac_digits; }
|
3852 |
|
|
|
3853 |
|
|
/**
|
3854 |
|
|
* @brief Return pattern for money values.
|
3855 |
|
|
*
|
3856 |
|
|
* This function returns a pattern describing the formatting of a
|
3857 |
|
|
* positive valued money amount. This function is a hook for derived
|
3858 |
|
|
* classes to change the value returned. @see pos_format() for
|
3859 |
|
|
* details.
|
3860 |
|
|
*
|
3861 |
|
|
* @return Pattern for money values.
|
3862 |
|
|
*/
|
3863 |
|
|
virtual pattern
|
3864 |
|
|
do_pos_format() const
|
3865 |
|
|
{ return _M_data->_M_pos_format; }
|
3866 |
|
|
|
3867 |
|
|
/**
|
3868 |
|
|
* @brief Return pattern for money values.
|
3869 |
|
|
*
|
3870 |
|
|
* This function returns a pattern describing the formatting of a
|
3871 |
|
|
* negative valued money amount. This function is a hook for derived
|
3872 |
|
|
* classes to change the value returned. @see neg_format() for
|
3873 |
|
|
* details.
|
3874 |
|
|
*
|
3875 |
|
|
* @return Pattern for money values.
|
3876 |
|
|
*/
|
3877 |
|
|
virtual pattern
|
3878 |
|
|
do_neg_format() const
|
3879 |
|
|
{ return _M_data->_M_neg_format; }
|
3880 |
|
|
|
3881 |
|
|
// For use at construction time only.
|
3882 |
|
|
void
|
3883 |
|
|
_M_initialize_moneypunct(__c_locale __cloc = NULL,
|
3884 |
|
|
const char* __name = NULL);
|
3885 |
|
|
};
|
3886 |
|
|
|
3887 |
|
|
template<typename _CharT, bool _Intl>
|
3888 |
|
|
locale::id moneypunct<_CharT, _Intl>::id;
|
3889 |
|
|
|
3890 |
|
|
template<typename _CharT, bool _Intl>
|
3891 |
|
|
const bool moneypunct<_CharT, _Intl>::intl;
|
3892 |
|
|
|
3893 |
|
|
template<>
|
3894 |
|
|
moneypunct<char, true>::~moneypunct();
|
3895 |
|
|
|
3896 |
|
|
template<>
|
3897 |
|
|
moneypunct<char, false>::~moneypunct();
|
3898 |
|
|
|
3899 |
|
|
template<>
|
3900 |
|
|
void
|
3901 |
|
|
moneypunct<char, true>::_M_initialize_moneypunct(__c_locale, const char*);
|
3902 |
|
|
|
3903 |
|
|
template<>
|
3904 |
|
|
void
|
3905 |
|
|
moneypunct<char, false>::_M_initialize_moneypunct(__c_locale, const char*);
|
3906 |
|
|
|
3907 |
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
3908 |
|
|
template<>
|
3909 |
|
|
moneypunct<wchar_t, true>::~moneypunct();
|
3910 |
|
|
|
3911 |
|
|
template<>
|
3912 |
|
|
moneypunct<wchar_t, false>::~moneypunct();
|
3913 |
|
|
|
3914 |
|
|
template<>
|
3915 |
|
|
void
|
3916 |
|
|
moneypunct<wchar_t, true>::_M_initialize_moneypunct(__c_locale,
|
3917 |
|
|
const char*);
|
3918 |
|
|
|
3919 |
|
|
template<>
|
3920 |
|
|
void
|
3921 |
|
|
moneypunct<wchar_t, false>::_M_initialize_moneypunct(__c_locale,
|
3922 |
|
|
const char*);
|
3923 |
|
|
#endif
|
3924 |
|
|
|
3925 |
|
|
/// @brief class moneypunct_byname [22.2.6.4].
|
3926 |
|
|
template<typename _CharT, bool _Intl>
|
3927 |
|
|
class moneypunct_byname : public moneypunct<_CharT, _Intl>
|
3928 |
|
|
{
|
3929 |
|
|
public:
|
3930 |
|
|
typedef _CharT char_type;
|
3931 |
|
|
typedef basic_string<_CharT> string_type;
|
3932 |
|
|
|
3933 |
|
|
static const bool intl = _Intl;
|
3934 |
|
|
|
3935 |
|
|
explicit
|
3936 |
|
|
moneypunct_byname(const char* __s, size_t __refs = 0)
|
3937 |
|
|
: moneypunct<_CharT, _Intl>(__refs)
|
3938 |
|
|
{
|
3939 |
|
|
if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
|
3940 |
|
|
{
|
3941 |
|
|
__c_locale __tmp;
|
3942 |
|
|
this->_S_create_c_locale(__tmp, __s);
|
3943 |
|
|
this->_M_initialize_moneypunct(__tmp);
|
3944 |
|
|
this->_S_destroy_c_locale(__tmp);
|
3945 |
|
|
}
|
3946 |
|
|
}
|
3947 |
|
|
|
3948 |
|
|
protected:
|
3949 |
|
|
virtual
|
3950 |
|
|
~moneypunct_byname() { }
|
3951 |
|
|
};
|
3952 |
|
|
|
3953 |
|
|
template<typename _CharT, bool _Intl>
|
3954 |
|
|
const bool moneypunct_byname<_CharT, _Intl>::intl;
|
3955 |
|
|
|
3956 |
|
|
/**
|
3957 |
|
|
* @brief Facet for parsing monetary amounts.
|
3958 |
|
|
*
|
3959 |
|
|
* This facet encapsulates the code to parse and return a monetary
|
3960 |
|
|
* amount from a string.
|
3961 |
|
|
*
|
3962 |
|
|
* The money_get template uses protected virtual functions to
|
3963 |
|
|
* provide the actual results. The public accessors forward the
|
3964 |
|
|
* call to the virtual functions. These virtual functions are
|
3965 |
|
|
* hooks for developers to implement the behavior they require from
|
3966 |
|
|
* the money_get facet.
|
3967 |
|
|
*/
|
3968 |
|
|
template<typename _CharT, typename _InIter>
|
3969 |
|
|
class money_get : public locale::facet
|
3970 |
|
|
{
|
3971 |
|
|
public:
|
3972 |
|
|
// Types:
|
3973 |
|
|
//@{
|
3974 |
|
|
/// Public typedefs
|
3975 |
|
|
typedef _CharT char_type;
|
3976 |
|
|
typedef _InIter iter_type;
|
3977 |
|
|
typedef basic_string<_CharT> string_type;
|
3978 |
|
|
//@}
|
3979 |
|
|
|
3980 |
|
|
/// Numpunct facet id.
|
3981 |
|
|
static locale::id id;
|
3982 |
|
|
|
3983 |
|
|
/**
|
3984 |
|
|
* @brief Constructor performs initialization.
|
3985 |
|
|
*
|
3986 |
|
|
* This is the constructor provided by the standard.
|
3987 |
|
|
*
|
3988 |
|
|
* @param refs Passed to the base facet class.
|
3989 |
|
|
*/
|
3990 |
|
|
explicit
|
3991 |
|
|
money_get(size_t __refs = 0) : facet(__refs) { }
|
3992 |
|
|
|
3993 |
|
|
/**
|
3994 |
|
|
* @brief Read and parse a monetary value.
|
3995 |
|
|
*
|
3996 |
|
|
* This function reads characters from @a s, interprets them as a
|
3997 |
|
|
* monetary value according to moneypunct and ctype facets retrieved
|
3998 |
|
|
* from io.getloc(), and returns the result in @a units as an integral
|
3999 |
|
|
* value moneypunct::frac_digits() * the actual amount. For example,
|
4000 |
|
|
* the string $10.01 in a US locale would store 1001 in @a units.
|
4001 |
|
|
*
|
4002 |
|
|
* Any characters not part of a valid money amount are not consumed.
|
4003 |
|
|
*
|
4004 |
|
|
* If a money value cannot be parsed from the input stream, sets
|
4005 |
|
|
* err=(err|io.failbit). If the stream is consumed before finishing
|
4006 |
|
|
* parsing, sets err=(err|io.failbit|io.eofbit). @a units is
|
4007 |
|
|
* unchanged if parsing fails.
|
4008 |
|
|
*
|
4009 |
|
|
* This function works by returning the result of do_get().
|
4010 |
|
|
*
|
4011 |
|
|
* @param s Start of characters to parse.
|
4012 |
|
|
* @param end End of characters to parse.
|
4013 |
|
|
* @param intl Parameter to use_facet<moneypunct<CharT,intl> >.
|
4014 |
|
|
* @param io Source of facets and io state.
|
4015 |
|
|
* @param err Error field to set if parsing fails.
|
4016 |
|
|
* @param units Place to store result of parsing.
|
4017 |
|
|
* @return Iterator referencing first character beyond valid money
|
4018 |
|
|
* amount.
|
4019 |
|
|
*/
|
4020 |
|
|
iter_type
|
4021 |
|
|
get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
|
4022 |
|
|
ios_base::iostate& __err, long double& __units) const
|
4023 |
|
|
{ return this->do_get(__s, __end, __intl, __io, __err, __units); }
|
4024 |
|
|
|
4025 |
|
|
/**
|
4026 |
|
|
* @brief Read and parse a monetary value.
|
4027 |
|
|
*
|
4028 |
|
|
* This function reads characters from @a s, interprets them as a
|
4029 |
|
|
* monetary value according to moneypunct and ctype facets retrieved
|
4030 |
|
|
* from io.getloc(), and returns the result in @a digits. For example,
|
4031 |
|
|
* the string $10.01 in a US locale would store "1001" in @a digits.
|
4032 |
|
|
*
|
4033 |
|
|
* Any characters not part of a valid money amount are not consumed.
|
4034 |
|
|
*
|
4035 |
|
|
* If a money value cannot be parsed from the input stream, sets
|
4036 |
|
|
* err=(err|io.failbit). If the stream is consumed before finishing
|
4037 |
|
|
* parsing, sets err=(err|io.failbit|io.eofbit).
|
4038 |
|
|
*
|
4039 |
|
|
* This function works by returning the result of do_get().
|
4040 |
|
|
*
|
4041 |
|
|
* @param s Start of characters to parse.
|
4042 |
|
|
* @param end End of characters to parse.
|
4043 |
|
|
* @param intl Parameter to use_facet<moneypunct<CharT,intl> >.
|
4044 |
|
|
* @param io Source of facets and io state.
|
4045 |
|
|
* @param err Error field to set if parsing fails.
|
4046 |
|
|
* @param digits Place to store result of parsing.
|
4047 |
|
|
* @return Iterator referencing first character beyond valid money
|
4048 |
|
|
* amount.
|
4049 |
|
|
*/
|
4050 |
|
|
iter_type
|
4051 |
|
|
get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
|
4052 |
|
|
ios_base::iostate& __err, string_type& __digits) const
|
4053 |
|
|
{ return this->do_get(__s, __end, __intl, __io, __err, __digits); }
|
4054 |
|
|
|
4055 |
|
|
protected:
|
4056 |
|
|
/// Destructor.
|
4057 |
|
|
virtual
|
4058 |
|
|
~money_get() { }
|
4059 |
|
|
|
4060 |
|
|
/**
|
4061 |
|
|
* @brief Read and parse a monetary value.
|
4062 |
|
|
*
|
4063 |
|
|
* This function reads and parses characters representing a monetary
|
4064 |
|
|
* value. This function is a hook for derived classes to change the
|
4065 |
|
|
* value returned. @see get() for details.
|
4066 |
|
|
*/
|
4067 |
|
|
virtual iter_type
|
4068 |
|
|
do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
|
4069 |
|
|
ios_base::iostate& __err, long double& __units) const;
|
4070 |
|
|
|
4071 |
|
|
/**
|
4072 |
|
|
* @brief Read and parse a monetary value.
|
4073 |
|
|
*
|
4074 |
|
|
* This function reads and parses characters representing a monetary
|
4075 |
|
|
* value. This function is a hook for derived classes to change the
|
4076 |
|
|
* value returned. @see get() for details.
|
4077 |
|
|
*/
|
4078 |
|
|
virtual iter_type
|
4079 |
|
|
do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
|
4080 |
|
|
ios_base::iostate& __err, string_type& __digits) const;
|
4081 |
|
|
|
4082 |
|
|
template<bool _Intl>
|
4083 |
|
|
iter_type
|
4084 |
|
|
_M_extract(iter_type __s, iter_type __end, ios_base& __io,
|
4085 |
|
|
ios_base::iostate& __err, string& __digits) const;
|
4086 |
|
|
};
|
4087 |
|
|
|
4088 |
|
|
template<typename _CharT, typename _InIter>
|
4089 |
|
|
locale::id money_get<_CharT, _InIter>::id;
|
4090 |
|
|
|
4091 |
|
|
/**
|
4092 |
|
|
* @brief Facet for outputting monetary amounts.
|
4093 |
|
|
*
|
4094 |
|
|
* This facet encapsulates the code to format and output a monetary
|
4095 |
|
|
* amount.
|
4096 |
|
|
*
|
4097 |
|
|
* The money_put template uses protected virtual functions to
|
4098 |
|
|
* provide the actual results. The public accessors forward the
|
4099 |
|
|
* call to the virtual functions. These virtual functions are
|
4100 |
|
|
* hooks for developers to implement the behavior they require from
|
4101 |
|
|
* the money_put facet.
|
4102 |
|
|
*/
|
4103 |
|
|
template<typename _CharT, typename _OutIter>
|
4104 |
|
|
class money_put : public locale::facet
|
4105 |
|
|
{
|
4106 |
|
|
public:
|
4107 |
|
|
//@{
|
4108 |
|
|
/// Public typedefs
|
4109 |
|
|
typedef _CharT char_type;
|
4110 |
|
|
typedef _OutIter iter_type;
|
4111 |
|
|
typedef basic_string<_CharT> string_type;
|
4112 |
|
|
//@}
|
4113 |
|
|
|
4114 |
|
|
/// Numpunct facet id.
|
4115 |
|
|
static locale::id id;
|
4116 |
|
|
|
4117 |
|
|
/**
|
4118 |
|
|
* @brief Constructor performs initialization.
|
4119 |
|
|
*
|
4120 |
|
|
* This is the constructor provided by the standard.
|
4121 |
|
|
*
|
4122 |
|
|
* @param refs Passed to the base facet class.
|
4123 |
|
|
*/
|
4124 |
|
|
explicit
|
4125 |
|
|
money_put(size_t __refs = 0) : facet(__refs) { }
|
4126 |
|
|
|
4127 |
|
|
/**
|
4128 |
|
|
* @brief Format and output a monetary value.
|
4129 |
|
|
*
|
4130 |
|
|
* This function formats @a units as a monetary value according to
|
4131 |
|
|
* moneypunct and ctype facets retrieved from io.getloc(), and writes
|
4132 |
|
|
* the resulting characters to @a s. For example, the value 1001 in a
|
4133 |
|
|
* US locale would write "$10.01" to @a s.
|
4134 |
|
|
*
|
4135 |
|
|
* This function works by returning the result of do_put().
|
4136 |
|
|
*
|
4137 |
|
|
* @param s The stream to write to.
|
4138 |
|
|
* @param intl Parameter to use_facet<moneypunct<CharT,intl> >.
|
4139 |
|
|
* @param io Source of facets and io state.
|
4140 |
|
|
* @param fill char_type to use for padding.
|
4141 |
|
|
* @param units Place to store result of parsing.
|
4142 |
|
|
* @return Iterator after writing.
|
4143 |
|
|
*/
|
4144 |
|
|
iter_type
|
4145 |
|
|
put(iter_type __s, bool __intl, ios_base& __io,
|
4146 |
|
|
char_type __fill, long double __units) const
|
4147 |
|
|
{ return this->do_put(__s, __intl, __io, __fill, __units); }
|
4148 |
|
|
|
4149 |
|
|
/**
|
4150 |
|
|
* @brief Format and output a monetary value.
|
4151 |
|
|
*
|
4152 |
|
|
* This function formats @a digits as a monetary value according to
|
4153 |
|
|
* moneypunct and ctype facets retrieved from io.getloc(), and writes
|
4154 |
|
|
* the resulting characters to @a s. For example, the string "1001" in
|
4155 |
|
|
* a US locale would write "$10.01" to @a s.
|
4156 |
|
|
*
|
4157 |
|
|
* This function works by returning the result of do_put().
|
4158 |
|
|
*
|
4159 |
|
|
* @param s The stream to write to.
|
4160 |
|
|
* @param intl Parameter to use_facet<moneypunct<CharT,intl> >.
|
4161 |
|
|
* @param io Source of facets and io state.
|
4162 |
|
|
* @param fill char_type to use for padding.
|
4163 |
|
|
* @param units Place to store result of parsing.
|
4164 |
|
|
* @return Iterator after writing.
|
4165 |
|
|
*/
|
4166 |
|
|
iter_type
|
4167 |
|
|
put(iter_type __s, bool __intl, ios_base& __io,
|
4168 |
|
|
char_type __fill, const string_type& __digits) const
|
4169 |
|
|
{ return this->do_put(__s, __intl, __io, __fill, __digits); }
|
4170 |
|
|
|
4171 |
|
|
protected:
|
4172 |
|
|
/// Destructor.
|
4173 |
|
|
virtual
|
4174 |
|
|
~money_put() { }
|
4175 |
|
|
|
4176 |
|
|
/**
|
4177 |
|
|
* @brief Format and output a monetary value.
|
4178 |
|
|
*
|
4179 |
|
|
* This function formats @a units as a monetary value according to
|
4180 |
|
|
* moneypunct and ctype facets retrieved from io.getloc(), and writes
|
4181 |
|
|
* the resulting characters to @a s. For example, the value 1001 in a
|
4182 |
|
|
* US locale would write "$10.01" to @a s.
|
4183 |
|
|
*
|
4184 |
|
|
* This function is a hook for derived classes to change the value
|
4185 |
|
|
* returned. @see put().
|
4186 |
|
|
*
|
4187 |
|
|
* @param s The stream to write to.
|
4188 |
|
|
* @param intl Parameter to use_facet<moneypunct<CharT,intl> >.
|
4189 |
|
|
* @param io Source of facets and io state.
|
4190 |
|
|
* @param fill char_type to use for padding.
|
4191 |
|
|
* @param units Place to store result of parsing.
|
4192 |
|
|
* @return Iterator after writing.
|
4193 |
|
|
*/
|
4194 |
|
|
virtual iter_type
|
4195 |
|
|
do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
|
4196 |
|
|
long double __units) const;
|
4197 |
|
|
|
4198 |
|
|
/**
|
4199 |
|
|
* @brief Format and output a monetary value.
|
4200 |
|
|
*
|
4201 |
|
|
* This function formats @a digits as a monetary value according to
|
4202 |
|
|
* moneypunct and ctype facets retrieved from io.getloc(), and writes
|
4203 |
|
|
* the resulting characters to @a s. For example, the string "1001" in
|
4204 |
|
|
* a US locale would write "$10.01" to @a s.
|
4205 |
|
|
*
|
4206 |
|
|
* This function is a hook for derived classes to change the value
|
4207 |
|
|
* returned. @see put().
|
4208 |
|
|
*
|
4209 |
|
|
* @param s The stream to write to.
|
4210 |
|
|
* @param intl Parameter to use_facet<moneypunct<CharT,intl> >.
|
4211 |
|
|
* @param io Source of facets and io state.
|
4212 |
|
|
* @param fill char_type to use for padding.
|
4213 |
|
|
* @param units Place to store result of parsing.
|
4214 |
|
|
* @return Iterator after writing.
|
4215 |
|
|
*/
|
4216 |
|
|
virtual iter_type
|
4217 |
|
|
do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
|
4218 |
|
|
const string_type& __digits) const;
|
4219 |
|
|
|
4220 |
|
|
template<bool _Intl>
|
4221 |
|
|
iter_type
|
4222 |
|
|
_M_insert(iter_type __s, ios_base& __io, char_type __fill,
|
4223 |
|
|
const string_type& __digits) const;
|
4224 |
|
|
};
|
4225 |
|
|
|
4226 |
|
|
template<typename _CharT, typename _OutIter>
|
4227 |
|
|
locale::id money_put<_CharT, _OutIter>::id;
|
4228 |
|
|
|
4229 |
|
|
/**
|
4230 |
|
|
* @brief Messages facet base class providing catalog typedef.
|
4231 |
|
|
*/
|
4232 |
|
|
struct messages_base
|
4233 |
|
|
{
|
4234 |
|
|
typedef int catalog;
|
4235 |
|
|
};
|
4236 |
|
|
|
4237 |
|
|
/**
|
4238 |
|
|
* @brief Facet for handling message catalogs
|
4239 |
|
|
*
|
4240 |
|
|
* This facet encapsulates the code to retrieve messages from
|
4241 |
|
|
* message catalogs. The only thing defined by the standard for this facet
|
4242 |
|
|
* is the interface. All underlying functionality is
|
4243 |
|
|
* implementation-defined.
|
4244 |
|
|
*
|
4245 |
|
|
* This library currently implements 3 versions of the message facet. The
|
4246 |
|
|
* first version (gnu) is a wrapper around gettext, provided by libintl.
|
4247 |
|
|
* The second version (ieee) is a wrapper around catgets. The final
|
4248 |
|
|
* version (default) does no actual translation. These implementations are
|
4249 |
|
|
* only provided for char and wchar_t instantiations.
|
4250 |
|
|
*
|
4251 |
|
|
* The messages template uses protected virtual functions to
|
4252 |
|
|
* provide the actual results. The public accessors forward the
|
4253 |
|
|
* call to the virtual functions. These virtual functions are
|
4254 |
|
|
* hooks for developers to implement the behavior they require from
|
4255 |
|
|
* the messages facet.
|
4256 |
|
|
*/
|
4257 |
|
|
template<typename _CharT>
|
4258 |
|
|
class messages : public locale::facet, public messages_base
|
4259 |
|
|
{
|
4260 |
|
|
public:
|
4261 |
|
|
// Types:
|
4262 |
|
|
//@{
|
4263 |
|
|
/// Public typedefs
|
4264 |
|
|
typedef _CharT char_type;
|
4265 |
|
|
typedef basic_string<_CharT> string_type;
|
4266 |
|
|
//@}
|
4267 |
|
|
|
4268 |
|
|
protected:
|
4269 |
|
|
// Underlying "C" library locale information saved from
|
4270 |
|
|
// initialization, needed by messages_byname as well.
|
4271 |
|
|
__c_locale _M_c_locale_messages;
|
4272 |
|
|
const char* _M_name_messages;
|
4273 |
|
|
|
4274 |
|
|
public:
|
4275 |
|
|
/// Numpunct facet id.
|
4276 |
|
|
static locale::id id;
|
4277 |
|
|
|
4278 |
|
|
/**
|
4279 |
|
|
* @brief Constructor performs initialization.
|
4280 |
|
|
*
|
4281 |
|
|
* This is the constructor provided by the standard.
|
4282 |
|
|
*
|
4283 |
|
|
* @param refs Passed to the base facet class.
|
4284 |
|
|
*/
|
4285 |
|
|
explicit
|
4286 |
|
|
messages(size_t __refs = 0);
|
4287 |
|
|
|
4288 |
|
|
// Non-standard.
|
4289 |
|
|
/**
|
4290 |
|
|
* @brief Internal constructor. Not for general use.
|
4291 |
|
|
*
|
4292 |
|
|
* This is a constructor for use by the library itself to set up new
|
4293 |
|
|
* locales.
|
4294 |
|
|
*
|
4295 |
|
|
* @param cloc The "C" locale.
|
4296 |
|
|
* @param s The name of a locale.
|
4297 |
|
|
* @param refs Refcount to pass to the base class.
|
4298 |
|
|
*/
|
4299 |
|
|
explicit
|
4300 |
|
|
messages(__c_locale __cloc, const char* __s, size_t __refs = 0);
|
4301 |
|
|
|
4302 |
|
|
/*
|
4303 |
|
|
* @brief Open a message catalog.
|
4304 |
|
|
*
|
4305 |
|
|
* This function opens and returns a handle to a message catalog by
|
4306 |
|
|
* returning do_open(s, loc).
|
4307 |
|
|
*
|
4308 |
|
|
* @param s The catalog to open.
|
4309 |
|
|
* @param loc Locale to use for character set conversions.
|
4310 |
|
|
* @return Handle to the catalog or value < 0 if open fails.
|
4311 |
|
|
*/
|
4312 |
|
|
catalog
|
4313 |
|
|
open(const basic_string<char>& __s, const locale& __loc) const
|
4314 |
|
|
{ return this->do_open(__s, __loc); }
|
4315 |
|
|
|
4316 |
|
|
// Non-standard and unorthodox, yet effective.
|
4317 |
|
|
/*
|
4318 |
|
|
* @brief Open a message catalog.
|
4319 |
|
|
*
|
4320 |
|
|
* This non-standard function opens and returns a handle to a message
|
4321 |
|
|
* catalog by returning do_open(s, loc). The third argument provides a
|
4322 |
|
|
* message catalog root directory for gnu gettext and is ignored
|
4323 |
|
|
* otherwise.
|
4324 |
|
|
*
|
4325 |
|
|
* @param s The catalog to open.
|
4326 |
|
|
* @param loc Locale to use for character set conversions.
|
4327 |
|
|
* @param dir Message catalog root directory.
|
4328 |
|
|
* @return Handle to the catalog or value < 0 if open fails.
|
4329 |
|
|
*/
|
4330 |
|
|
catalog
|
4331 |
|
|
open(const basic_string<char>&, const locale&, const char*) const;
|
4332 |
|
|
|
4333 |
|
|
/*
|
4334 |
|
|
* @brief Look up a string in a message catalog.
|
4335 |
|
|
*
|
4336 |
|
|
* This function retrieves and returns a message from a catalog by
|
4337 |
|
|
* returning do_get(c, set, msgid, s).
|
4338 |
|
|
*
|
4339 |
|
|
* For gnu, @a set and @a msgid are ignored. Returns gettext(s).
|
4340 |
|
|
* For default, returns s. For ieee, returns catgets(c,set,msgid,s).
|
4341 |
|
|
*
|
4342 |
|
|
* @param c The catalog to access.
|
4343 |
|
|
* @param set Implementation-defined.
|
4344 |
|
|
* @param msgid Implementation-defined.
|
4345 |
|
|
* @param s Default return value if retrieval fails.
|
4346 |
|
|
* @return Retrieved message or @a s if get fails.
|
4347 |
|
|
*/
|
4348 |
|
|
string_type
|
4349 |
|
|
get(catalog __c, int __set, int __msgid, const string_type& __s) const
|
4350 |
|
|
{ return this->do_get(__c, __set, __msgid, __s); }
|
4351 |
|
|
|
4352 |
|
|
/*
|
4353 |
|
|
* @brief Close a message catalog.
|
4354 |
|
|
*
|
4355 |
|
|
* Closes catalog @a c by calling do_close(c).
|
4356 |
|
|
*
|
4357 |
|
|
* @param c The catalog to close.
|
4358 |
|
|
*/
|
4359 |
|
|
void
|
4360 |
|
|
close(catalog __c) const
|
4361 |
|
|
{ return this->do_close(__c); }
|
4362 |
|
|
|
4363 |
|
|
protected:
|
4364 |
|
|
/// Destructor.
|
4365 |
|
|
virtual
|
4366 |
|
|
~messages();
|
4367 |
|
|
|
4368 |
|
|
/*
|
4369 |
|
|
* @brief Open a message catalog.
|
4370 |
|
|
*
|
4371 |
|
|
* This function opens and returns a handle to a message catalog in an
|
4372 |
|
|
* implementation-defined manner. This function is a hook for derived
|
4373 |
|
|
* classes to change the value returned.
|
4374 |
|
|
*
|
4375 |
|
|
* @param s The catalog to open.
|
4376 |
|
|
* @param loc Locale to use for character set conversions.
|
4377 |
|
|
* @return Handle to the opened catalog, value < 0 if open failed.
|
4378 |
|
|
*/
|
4379 |
|
|
virtual catalog
|
4380 |
|
|
do_open(const basic_string<char>&, const locale&) const;
|
4381 |
|
|
|
4382 |
|
|
/*
|
4383 |
|
|
* @brief Look up a string in a message catalog.
|
4384 |
|
|
*
|
4385 |
|
|
* This function retrieves and returns a message from a catalog in an
|
4386 |
|
|
* implementation-defined manner. This function is a hook for derived
|
4387 |
|
|
* classes to change the value returned.
|
4388 |
|
|
*
|
4389 |
|
|
* For gnu, @a set and @a msgid are ignored. Returns gettext(s).
|
4390 |
|
|
* For default, returns s. For ieee, returns catgets(c,set,msgid,s).
|
4391 |
|
|
*
|
4392 |
|
|
* @param c The catalog to access.
|
4393 |
|
|
* @param set Implementation-defined.
|
4394 |
|
|
* @param msgid Implementation-defined.
|
4395 |
|
|
* @param s Default return value if retrieval fails.
|
4396 |
|
|
* @return Retrieved message or @a s if get fails.
|
4397 |
|
|
*/
|
4398 |
|
|
virtual string_type
|
4399 |
|
|
do_get(catalog, int, int, const string_type& __dfault) const;
|
4400 |
|
|
|
4401 |
|
|
/*
|
4402 |
|
|
* @brief Close a message catalog.
|
4403 |
|
|
*
|
4404 |
|
|
* @param c The catalog to close.
|
4405 |
|
|
*/
|
4406 |
|
|
virtual void
|
4407 |
|
|
do_close(catalog) const;
|
4408 |
|
|
|
4409 |
|
|
// Returns a locale and codeset-converted string, given a char* message.
|
4410 |
|
|
char*
|
4411 |
|
|
_M_convert_to_char(const string_type& __msg) const
|
4412 |
|
|
{
|
4413 |
|
|
// XXX
|
4414 |
|
|
return reinterpret_cast<char*>(const_cast<_CharT*>(__msg.c_str()));
|
4415 |
|
|
}
|
4416 |
|
|
|
4417 |
|
|
// Returns a locale and codeset-converted string, given a char* message.
|
4418 |
|
|
string_type
|
4419 |
|
|
_M_convert_from_char(char*) const
|
4420 |
|
|
{
|
4421 |
|
|
#if 0
|
4422 |
|
|
// Length of message string without terminating null.
|
4423 |
|
|
size_t __len = char_traits<char>::length(__msg) - 1;
|
4424 |
|
|
|
4425 |
|
|
// "everybody can easily convert the string using
|
4426 |
|
|
// mbsrtowcs/wcsrtombs or with iconv()"
|
4427 |
|
|
|
4428 |
|
|
// Convert char* to _CharT in locale used to open catalog.
|
4429 |
|
|
// XXX need additional template parameter on messages class for this..
|
4430 |
|
|
// typedef typename codecvt<char, _CharT, _StateT> __codecvt_type;
|
4431 |
|
|
typedef typename codecvt<char, _CharT, mbstate_t> __codecvt_type;
|
4432 |
|
|
|
4433 |
|
|
__codecvt_type::state_type __state;
|
4434 |
|
|
// XXX may need to initialize state.
|
4435 |
|
|
//initialize_state(__state._M_init());
|
4436 |
|
|
|
4437 |
|
|
char* __from_next;
|
4438 |
|
|
// XXX what size for this string?
|
4439 |
|
|
_CharT* __to = static_cast<_CharT*>(__builtin_alloca(__len + 1));
|
4440 |
|
|
const __codecvt_type& __cvt = use_facet<__codecvt_type>(_M_locale_conv);
|
4441 |
|
|
__cvt.out(__state, __msg, __msg + __len, __from_next,
|
4442 |
|
|
__to, __to + __len + 1, __to_next);
|
4443 |
|
|
return string_type(__to);
|
4444 |
|
|
#endif
|
4445 |
|
|
#if 0
|
4446 |
|
|
typedef ctype<_CharT> __ctype_type;
|
4447 |
|
|
// const __ctype_type& __cvt = use_facet<__ctype_type>(_M_locale_msg);
|
4448 |
|
|
const __ctype_type& __cvt = use_facet<__ctype_type>(locale());
|
4449 |
|
|
// XXX Again, proper length of converted string an issue here.
|
4450 |
|
|
// For now, assume the converted length is not larger.
|
4451 |
|
|
_CharT* __dest = static_cast<_CharT*>(__builtin_alloca(__len + 1));
|
4452 |
|
|
__cvt.widen(__msg, __msg + __len, __dest);
|
4453 |
|
|
return basic_string<_CharT>(__dest);
|
4454 |
|
|
#endif
|
4455 |
|
|
return string_type();
|
4456 |
|
|
}
|
4457 |
|
|
};
|
4458 |
|
|
|
4459 |
|
|
template<typename _CharT>
|
4460 |
|
|
locale::id messages<_CharT>::id;
|
4461 |
|
|
|
4462 |
|
|
// Specializations for required instantiations.
|
4463 |
|
|
template<>
|
4464 |
|
|
string
|
4465 |
|
|
messages<char>::do_get(catalog, int, int, const string&) const;
|
4466 |
|
|
|
4467 |
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
4468 |
|
|
template<>
|
4469 |
|
|
wstring
|
4470 |
|
|
messages<wchar_t>::do_get(catalog, int, int, const wstring&) const;
|
4471 |
|
|
#endif
|
4472 |
|
|
|
4473 |
|
|
/// @brief class messages_byname [22.2.7.2].
|
4474 |
|
|
template<typename _CharT>
|
4475 |
|
|
class messages_byname : public messages<_CharT>
|
4476 |
|
|
{
|
4477 |
|
|
public:
|
4478 |
|
|
typedef _CharT char_type;
|
4479 |
|
|
typedef basic_string<_CharT> string_type;
|
4480 |
|
|
|
4481 |
|
|
explicit
|
4482 |
|
|
messages_byname(const char* __s, size_t __refs = 0);
|
4483 |
|
|
|
4484 |
|
|
protected:
|
4485 |
|
|
virtual
|
4486 |
|
|
~messages_byname()
|
4487 |
|
|
{ }
|
4488 |
|
|
};
|
4489 |
|
|
|
4490 |
|
|
// Include host and configuration specific messages functions.
|
4491 |
|
|
#include <bits/messages_members.h>
|
4492 |
|
|
|
4493 |
|
|
|
4494 |
|
|
// Subclause convenience interfaces, inlines.
|
4495 |
|
|
// NB: These are inline because, when used in a loop, some compilers
|
4496 |
|
|
// can hoist the body out of the loop; then it's just as fast as the
|
4497 |
|
|
// C is*() function.
|
4498 |
|
|
|
4499 |
|
|
/// Convenience interface to ctype.is(ctype_base::space, __c).
|
4500 |
|
|
template<typename _CharT>
|
4501 |
|
|
inline bool
|
4502 |
|
|
isspace(_CharT __c, const locale& __loc)
|
4503 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c); }
|
4504 |
|
|
|
4505 |
|
|
/// Convenience interface to ctype.is(ctype_base::print, __c).
|
4506 |
|
|
template<typename _CharT>
|
4507 |
|
|
inline bool
|
4508 |
|
|
isprint(_CharT __c, const locale& __loc)
|
4509 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c); }
|
4510 |
|
|
|
4511 |
|
|
/// Convenience interface to ctype.is(ctype_base::cntrl, __c).
|
4512 |
|
|
template<typename _CharT>
|
4513 |
|
|
inline bool
|
4514 |
|
|
iscntrl(_CharT __c, const locale& __loc)
|
4515 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c); }
|
4516 |
|
|
|
4517 |
|
|
/// Convenience interface to ctype.is(ctype_base::upper, __c).
|
4518 |
|
|
template<typename _CharT>
|
4519 |
|
|
inline bool
|
4520 |
|
|
isupper(_CharT __c, const locale& __loc)
|
4521 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c); }
|
4522 |
|
|
|
4523 |
|
|
/// Convenience interface to ctype.is(ctype_base::lower, __c).
|
4524 |
|
|
template<typename _CharT>
|
4525 |
|
|
inline bool
|
4526 |
|
|
islower(_CharT __c, const locale& __loc)
|
4527 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c); }
|
4528 |
|
|
|
4529 |
|
|
/// Convenience interface to ctype.is(ctype_base::alpha, __c).
|
4530 |
|
|
template<typename _CharT>
|
4531 |
|
|
inline bool
|
4532 |
|
|
isalpha(_CharT __c, const locale& __loc)
|
4533 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c); }
|
4534 |
|
|
|
4535 |
|
|
/// Convenience interface to ctype.is(ctype_base::digit, __c).
|
4536 |
|
|
template<typename _CharT>
|
4537 |
|
|
inline bool
|
4538 |
|
|
isdigit(_CharT __c, const locale& __loc)
|
4539 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c); }
|
4540 |
|
|
|
4541 |
|
|
/// Convenience interface to ctype.is(ctype_base::punct, __c).
|
4542 |
|
|
template<typename _CharT>
|
4543 |
|
|
inline bool
|
4544 |
|
|
ispunct(_CharT __c, const locale& __loc)
|
4545 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c); }
|
4546 |
|
|
|
4547 |
|
|
/// Convenience interface to ctype.is(ctype_base::xdigit, __c).
|
4548 |
|
|
template<typename _CharT>
|
4549 |
|
|
inline bool
|
4550 |
|
|
isxdigit(_CharT __c, const locale& __loc)
|
4551 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c); }
|
4552 |
|
|
|
4553 |
|
|
/// Convenience interface to ctype.is(ctype_base::alnum, __c).
|
4554 |
|
|
template<typename _CharT>
|
4555 |
|
|
inline bool
|
4556 |
|
|
isalnum(_CharT __c, const locale& __loc)
|
4557 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c); }
|
4558 |
|
|
|
4559 |
|
|
/// Convenience interface to ctype.is(ctype_base::graph, __c).
|
4560 |
|
|
template<typename _CharT>
|
4561 |
|
|
inline bool
|
4562 |
|
|
isgraph(_CharT __c, const locale& __loc)
|
4563 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c); }
|
4564 |
|
|
|
4565 |
|
|
/// Convenience interface to ctype.toupper(__c).
|
4566 |
|
|
template<typename _CharT>
|
4567 |
|
|
inline _CharT
|
4568 |
|
|
toupper(_CharT __c, const locale& __loc)
|
4569 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).toupper(__c); }
|
4570 |
|
|
|
4571 |
|
|
/// Convenience interface to ctype.tolower(__c).
|
4572 |
|
|
template<typename _CharT>
|
4573 |
|
|
inline _CharT
|
4574 |
|
|
tolower(_CharT __c, const locale& __loc)
|
4575 |
|
|
{ return use_facet<ctype<_CharT> >(__loc).tolower(__c); }
|
4576 |
|
|
} // namespace std
|
4577 |
|
|
|
4578 |
|
|
#endif
|