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Editing: locale_facets_nonio.h
// Locale support -*- C++ -*- // Copyright (C) 2007-2018 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. /** @file bits/locale_facets_nonio.h * This is an internal header file, included by other library headers. * Do not attempt to use it directly. @headername{locale} */ // // ISO C++ 14882: 22.1 Locales // #ifndef _LOCALE_FACETS_NONIO_H #define _LOCALE_FACETS_NONIO_H 1 #pragma GCC system_header #include <ctime> // For struct tm namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION /** * @brief Time format ordering data. * @ingroup locales * * This class provides an enum representing different orderings of * time: day, month, and year. */ class time_base { public: enum dateorder { no_order, dmy, mdy, ymd, ydm }; }; template<typename _CharT> struct __timepunct_cache : public locale::facet { // List of all known timezones, with GMT first. static const _CharT* _S_timezones[14]; const _CharT* _M_date_format; const _CharT* _M_date_era_format; const _CharT* _M_time_format; const _CharT* _M_time_era_format; const _CharT* _M_date_time_format; const _CharT* _M_date_time_era_format; const _CharT* _M_am; const _CharT* _M_pm; const _CharT* _M_am_pm_format; // Day names, starting with "C"'s Sunday. const _CharT* _M_day1; const _CharT* _M_day2; const _CharT* _M_day3; const _CharT* _M_day4; const _CharT* _M_day5; const _CharT* _M_day6; const _CharT* _M_day7; // Abbreviated day names, starting with "C"'s Sun. const _CharT* _M_aday1; const _CharT* _M_aday2; const _CharT* _M_aday3; const _CharT* _M_aday4; const _CharT* _M_aday5; const _CharT* _M_aday6; const _CharT* _M_aday7; // Month names, starting with "C"'s January. const _CharT* _M_month01; const _CharT* _M_month02; const _CharT* _M_month03; const _CharT* _M_month04; const _CharT* _M_month05; const _CharT* _M_month06; const _CharT* _M_month07; const _CharT* _M_month08; const _CharT* _M_month09; const _CharT* _M_month10; const _CharT* _M_month11; const _CharT* _M_month12; // Abbreviated month names, starting with "C"'s Jan. const _CharT* _M_amonth01; const _CharT* _M_amonth02; const _CharT* _M_amonth03; const _CharT* _M_amonth04; const _CharT* _M_amonth05; const _CharT* _M_amonth06; const _CharT* _M_amonth07; const _CharT* _M_amonth08; const _CharT* _M_amonth09; const _CharT* _M_amonth10; const _CharT* _M_amonth11; const _CharT* _M_amonth12; bool _M_allocated; __timepunct_cache(size_t __refs = 0) : facet(__refs), _M_date_format(0), _M_date_era_format(0), _M_time_format(0), _M_time_era_format(0), _M_date_time_format(0), _M_date_time_era_format(0), _M_am(0), _M_pm(0), _M_am_pm_format(0), _M_day1(0), _M_day2(0), _M_day3(0), _M_day4(0), _M_day5(0), _M_day6(0), _M_day7(0), _M_aday1(0), _M_aday2(0), _M_aday3(0), _M_aday4(0), _M_aday5(0), _M_aday6(0), _M_aday7(0), _M_month01(0), _M_month02(0), _M_month03(0), _M_month04(0), _M_month05(0), _M_month06(0), _M_month07(0), _M_month08(0), _M_month09(0), _M_month10(0), _M_month11(0), _M_month12(0), _M_amonth01(0), _M_amonth02(0), _M_amonth03(0), _M_amonth04(0), _M_amonth05(0), _M_amonth06(0), _M_amonth07(0), _M_amonth08(0), _M_amonth09(0), _M_amonth10(0), _M_amonth11(0), _M_amonth12(0), _M_allocated(false) { } ~__timepunct_cache(); private: __timepunct_cache& operator=(const __timepunct_cache&); explicit __timepunct_cache(const __timepunct_cache&); }; template<typename _CharT> __timepunct_cache<_CharT>::~__timepunct_cache() { if (_M_allocated) { // Unused. } } // Specializations. template<> const char* __timepunct_cache<char>::_S_timezones[14]; #ifdef _GLIBCXX_USE_WCHAR_T template<> const wchar_t* __timepunct_cache<wchar_t>::_S_timezones[14]; #endif // Generic. template<typename _CharT> const _CharT* __timepunct_cache<_CharT>::_S_timezones[14]; template<typename _CharT> class __timepunct : public locale::facet { public: // Types: typedef _CharT __char_type; typedef __timepunct_cache<_CharT> __cache_type; protected: __cache_type* _M_data; __c_locale _M_c_locale_timepunct; const char* _M_name_timepunct; public: /// Numpunct facet id. static locale::id id; explicit __timepunct(size_t __refs = 0); explicit __timepunct(__cache_type* __cache, size_t __refs = 0); /** * @brief Internal constructor. Not for general use. * * This is a constructor for use by the library itself to set up new * locales. * * @param __cloc The C locale. * @param __s The name of a locale. * @param refs Passed to the base facet class. */ explicit __timepunct(__c_locale __cloc, const char* __s, size_t __refs = 0); // FIXME: for error checking purposes _M_put should return the return // value of strftime/wcsftime. void _M_put(_CharT* __s, size_t __maxlen, const _CharT* __format, const tm* __tm) const throw (); void _M_date_formats(const _CharT** __date) const { // Always have default first. __date[0] = _M_data->_M_date_format; __date[1] = _M_data->_M_date_era_format; } void _M_time_formats(const _CharT** __time) const { // Always have default first. __time[0] = _M_data->_M_time_format; __time[1] = _M_data->_M_time_era_format; } void _M_date_time_formats(const _CharT** __dt) const { // Always have default first. __dt[0] = _M_data->_M_date_time_format; __dt[1] = _M_data->_M_date_time_era_format; } #if !_GLIBCXX_INLINE_VERSION void _M_am_pm_format(const _CharT*) const { /* Kept for ABI compatibility, see PR65927 */ } #endif void _M_am_pm(const _CharT** __ampm) const { __ampm[0] = _M_data->_M_am; __ampm[1] = _M_data->_M_pm; } void _M_days(const _CharT** __days) const { __days[0] = _M_data->_M_day1; __days[1] = _M_data->_M_day2; __days[2] = _M_data->_M_day3; __days[3] = _M_data->_M_day4; __days[4] = _M_data->_M_day5; __days[5] = _M_data->_M_day6; __days[6] = _M_data->_M_day7; } void _M_days_abbreviated(const _CharT** __days) const { __days[0] = _M_data->_M_aday1; __days[1] = _M_data->_M_aday2; __days[2] = _M_data->_M_aday3; __days[3] = _M_data->_M_aday4; __days[4] = _M_data->_M_aday5; __days[5] = _M_data->_M_aday6; __days[6] = _M_data->_M_aday7; } void _M_months(const _CharT** __months) const { __months[0] = _M_data->_M_month01; __months[1] = _M_data->_M_month02; __months[2] = _M_data->_M_month03; __months[3] = _M_data->_M_month04; __months[4] = _M_data->_M_month05; __months[5] = _M_data->_M_month06; __months[6] = _M_data->_M_month07; __months[7] = _M_data->_M_month08; __months[8] = _M_data->_M_month09; __months[9] = _M_data->_M_month10; __months[10] = _M_data->_M_month11; __months[11] = _M_data->_M_month12; } void _M_months_abbreviated(const _CharT** __months) const { __months[0] = _M_data->_M_amonth01; __months[1] = _M_data->_M_amonth02; __months[2] = _M_data->_M_amonth03; __months[3] = _M_data->_M_amonth04; __months[4] = _M_data->_M_amonth05; __months[5] = _M_data->_M_amonth06; __months[6] = _M_data->_M_amonth07; __months[7] = _M_data->_M_amonth08; __months[8] = _M_data->_M_amonth09; __months[9] = _M_data->_M_amonth10; __months[10] = _M_data->_M_amonth11; __months[11] = _M_data->_M_amonth12; } protected: virtual ~__timepunct(); // For use at construction time only. void _M_initialize_timepunct(__c_locale __cloc = 0); }; template<typename _CharT> locale::id __timepunct<_CharT>::id; // Specializations. template<> void __timepunct<char>::_M_initialize_timepunct(__c_locale __cloc); template<> void __timepunct<char>::_M_put(char*, size_t, const char*, const tm*) const throw (); #ifdef _GLIBCXX_USE_WCHAR_T template<> void __timepunct<wchar_t>::_M_initialize_timepunct(__c_locale __cloc); template<> void __timepunct<wchar_t>::_M_put(wchar_t*, size_t, const wchar_t*, const tm*) const throw (); #endif _GLIBCXX_END_NAMESPACE_VERSION } // namespace // Include host and configuration specific timepunct functions. #include <bits/time_members.h> namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION _GLIBCXX_BEGIN_NAMESPACE_CXX11 /** * @brief Primary class template time_get. * @ingroup locales * * This facet encapsulates the code to parse and return a date or * time from a string. It is used by the istream numeric * extraction operators. * * The time_get template uses protected virtual functions to provide the * actual results. The public accessors forward the call to the virtual * functions. These virtual functions are hooks for developers to * implement the behavior they require from the time_get facet. */ template<typename _CharT, typename _InIter> class time_get : public locale::facet, public time_base { public: // Types: //@{ /// Public typedefs typedef _CharT char_type; typedef _InIter iter_type; //@} /// Numpunct facet id. static locale::id id; /** * @brief Constructor performs initialization. * * This is the constructor provided by the standard. * * @param __refs Passed to the base facet class. */ explicit time_get(size_t __refs = 0) : facet (__refs) { } /** * @brief Return preferred order of month, day, and year. * * This function returns an enum from time_base::dateorder giving the * preferred ordering if the format @a x given to time_put::put() only * uses month, day, and year. If the format @a x for the associated * locale uses other fields, this function returns * time_base::dateorder::noorder. * * NOTE: The library always returns noorder at the moment. * * @return A member of time_base::dateorder. */ dateorder date_order() const { return this->do_date_order(); } /** * @brief Parse input time string. * * This function parses a time according to the format @a X and puts the * results into a user-supplied struct tm. The result is returned by * calling time_get::do_get_time(). * * If there is a valid time string according to format @a X, @a tm will * be filled in accordingly and the returned iterator will point to the * first character beyond the time string. If an error occurs before * the end, err |= ios_base::failbit. If parsing reads all the * characters, err |= ios_base::eofbit. * * @param __beg Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @return Iterator to first char beyond time string. */ iter_type get_time(iter_type __beg, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm) const { return this->do_get_time(__beg, __end, __io, __err, __tm); } /** * @brief Parse input date string. * * This function parses a date according to the format @a x and puts the * results into a user-supplied struct tm. The result is returned by * calling time_get::do_get_date(). * * If there is a valid date string according to format @a x, @a tm will * be filled in accordingly and the returned iterator will point to the * first character beyond the date string. If an error occurs before * the end, err |= ios_base::failbit. If parsing reads all the * characters, err |= ios_base::eofbit. * * @param __beg Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @return Iterator to first char beyond date string. */ iter_type get_date(iter_type __beg, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm) const { return this->do_get_date(__beg, __end, __io, __err, __tm); } /** * @brief Parse input weekday string. * * This function parses a weekday name and puts the results into a * user-supplied struct tm. The result is returned by calling * time_get::do_get_weekday(). * * Parsing starts by parsing an abbreviated weekday name. If a valid * abbreviation is followed by a character that would lead to the full * weekday name, parsing continues until the full name is found or an * error occurs. Otherwise parsing finishes at the end of the * abbreviated name. * * If an error occurs before the end, err |= ios_base::failbit. If * parsing reads all the characters, err |= ios_base::eofbit. * * @param __beg Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @return Iterator to first char beyond weekday name. */ iter_type get_weekday(iter_type __beg, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm) const { return this->do_get_weekday(__beg, __end, __io, __err, __tm); } /** * @brief Parse input month string. * * This function parses a month name and puts the results into a * user-supplied struct tm. The result is returned by calling * time_get::do_get_monthname(). * * Parsing starts by parsing an abbreviated month name. If a valid * abbreviation is followed by a character that would lead to the full * month name, parsing continues until the full name is found or an * error occurs. Otherwise parsing finishes at the end of the * abbreviated name. * * If an error occurs before the end, err |= ios_base::failbit. If * parsing reads all the characters, err |= * ios_base::eofbit. * * @param __beg Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @return Iterator to first char beyond month name. */ iter_type get_monthname(iter_type __beg, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm) const { return this->do_get_monthname(__beg, __end, __io, __err, __tm); } /** * @brief Parse input year string. * * This function reads up to 4 characters to parse a year string and * puts the results into a user-supplied struct tm. The result is * returned by calling time_get::do_get_year(). * * 4 consecutive digits are interpreted as a full year. If there are * exactly 2 consecutive digits, the library interprets this as the * number of years since 1900. * * If an error occurs before the end, err |= ios_base::failbit. If * parsing reads all the characters, err |= ios_base::eofbit. * * @param __beg Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @return Iterator to first char beyond year. */ iter_type get_year(iter_type __beg, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm) const { return this->do_get_year(__beg, __end, __io, __err, __tm); } #if __cplusplus >= 201103L /** * @brief Parse input string according to format. * * This function calls time_get::do_get with the provided * parameters. @see do_get() and get(). * * @param __s Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @param __format Format specifier. * @param __modifier Format modifier. * @return Iterator to first char not parsed. */ inline iter_type get(iter_type __s, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm, char __format, char __modifier = 0) const { return this->do_get(__s, __end, __io, __err, __tm, __format, __modifier); } /** * @brief Parse input string according to format. * * This function parses the input string according to a * provided format string. It does the inverse of * time_put::put. The format string follows the format * specified for strftime(3)/strptime(3). The actual parsing * is done by time_get::do_get. * * @param __s Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @param __fmt Start of the format string. * @param __fmtend End of the format string. * @return Iterator to first char not parsed. */ iter_type get(iter_type __s, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm, const char_type* __fmt, const char_type* __fmtend) const; #endif // __cplusplus >= 201103L protected: /// Destructor. virtual ~time_get() { } /** * @brief Return preferred order of month, day, and year. * * This function returns an enum from time_base::dateorder giving the * preferred ordering if the format @a x given to time_put::put() only * uses month, day, and year. This function is a hook for derived * classes to change the value returned. * * @return A member of time_base::dateorder. */ virtual dateorder do_date_order() const; /** * @brief Parse input time string. * * This function parses a time according to the format @a x and puts the * results into a user-supplied struct tm. This function is a hook for * derived classes to change the value returned. @see get_time() for * details. * * @param __beg Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @return Iterator to first char beyond time string. */ virtual iter_type do_get_time(iter_type __beg, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm) const; /** * @brief Parse input date string. * * This function parses a date according to the format @a X and puts the * results into a user-supplied struct tm. This function is a hook for * derived classes to change the value returned. @see get_date() for * details. * * @param __beg Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @return Iterator to first char beyond date string. */ virtual iter_type do_get_date(iter_type __beg, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm) const; /** * @brief Parse input weekday string. * * This function parses a weekday name and puts the results into a * user-supplied struct tm. This function is a hook for derived * classes to change the value returned. @see get_weekday() for * details. * * @param __beg Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @return Iterator to first char beyond weekday name. */ virtual iter_type do_get_weekday(iter_type __beg, iter_type __end, ios_base&, ios_base::iostate& __err, tm* __tm) const; /** * @brief Parse input month string. * * This function parses a month name and puts the results into a * user-supplied struct tm. This function is a hook for derived * classes to change the value returned. @see get_monthname() for * details. * * @param __beg Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @return Iterator to first char beyond month name. */ virtual iter_type do_get_monthname(iter_type __beg, iter_type __end, ios_base&, ios_base::iostate& __err, tm* __tm) const; /** * @brief Parse input year string. * * This function reads up to 4 characters to parse a year string and * puts the results into a user-supplied struct tm. This function is a * hook for derived classes to change the value returned. @see * get_year() for details. * * @param __beg Start of string to parse. * @param __end End of string to parse. * @param __io Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @return Iterator to first char beyond year. */ virtual iter_type do_get_year(iter_type __beg, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm) const; #if __cplusplus >= 201103L /** * @brief Parse input string according to format. * * This function parses the string according to the provided * format and optional modifier. This function is a hook for * derived classes to change the value returned. @see get() * for more details. * * @param __s Start of string to parse. * @param __end End of string to parse. * @param __f Source of the locale. * @param __err Error flags to set. * @param __tm Pointer to struct tm to fill in. * @param __format Format specifier. * @param __modifier Format modifier. * @return Iterator to first char not parsed. */ #if _GLIBCXX_USE_CXX11_ABI virtual #endif iter_type do_get(iter_type __s, iter_type __end, ios_base& __f, ios_base::iostate& __err, tm* __tm, char __format, char __modifier) const; #endif // __cplusplus >= 201103L // Extract numeric component of length __len. iter_type _M_extract_num(iter_type __beg, iter_type __end, int& __member, int __min, int __max, size_t __len, ios_base& __io, ios_base::iostate& __err) const; // Extract any unique array of string literals in a const _CharT* array. iter_type _M_extract_name(iter_type __beg, iter_type __end, int& __member, const _CharT** __names, size_t __indexlen, ios_base& __io, ios_base::iostate& __err) const; // Extract day or month name in a const _CharT* array. iter_type _M_extract_wday_or_month(iter_type __beg, iter_type __end, int& __member, const _CharT** __names, size_t __indexlen, ios_base& __io, ios_base::iostate& __err) const; // Extract on a component-by-component basis, via __format argument. iter_type _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io, ios_base::iostate& __err, tm* __tm, const _CharT* __format) const; }; template<typename _CharT, typename _InIter> locale::id time_get<_CharT, _InIter>::id; /// class time_get_byname [22.2.5.2]. template<typename _CharT, typename _InIter> class time_get_byname : public time_get<_CharT, _InIter> { public: // Types: typedef _CharT char_type; typedef _InIter iter_type; explicit time_get_byname(const char*, size_t __refs = 0) : time_get<_CharT, _InIter>(__refs) { } #if __cplusplus >= 201103L explicit time_get_byname(const string& __s, size_t __refs = 0) : time_get_byname(__s.c_str(), __refs) { } #endif protected: virtual ~time_get_byname() { } }; _GLIBCXX_END_NAMESPACE_CXX11 /** * @brief Primary class template time_put. * @ingroup locales * * This facet encapsulates the code to format and output dates and times * according to formats used by strftime(). * * The time_put template uses protected virtual functions to provide the * actual results. The public accessors forward the call to the virtual * functions. These virtual functions are hooks for developers to * implement the behavior they require from the time_put facet. */ template<typename _CharT, typename _OutIter> class time_put : public locale::facet { public: // Types: //@{ /// Public typedefs typedef _CharT char_type; typedef _OutIter iter_type; //@} /// Numpunct facet id. static locale::id id; /** * @brief Constructor performs initialization. * * This is the constructor provided by the standard. * * @param __refs Passed to the base facet class. */ explicit time_put(size_t __refs = 0) : facet(__refs) { } /** * @brief Format and output a time or date. * * This function formats the data in struct tm according to the * provided format string. The format string is interpreted as by * strftime(). * * @param __s The stream to write to. * @param __io Source of locale. * @param __fill char_type to use for padding. * @param __tm Struct tm with date and time info to format. * @param __beg Start of format string. * @param __end End of format string. * @return Iterator after writing. */ iter_type put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, const _CharT* __beg, const _CharT* __end) const; /** * @brief Format and output a time or date. * * This function formats the data in struct tm according to the * provided format char and optional modifier. The format and modifier * are interpreted as by strftime(). It does so by returning * time_put::do_put(). * * @param __s The stream to write to. * @param __io Source of locale. * @param __fill char_type to use for padding. * @param __tm Struct tm with date and time info to format. * @param __format Format char. * @param __mod Optional modifier char. * @return Iterator after writing. */ iter_type put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, char __format, char __mod = 0) const { return this->do_put(__s, __io, __fill, __tm, __format, __mod); } protected: /// Destructor. virtual ~time_put() { } /** * @brief Format and output a time or date. * * This function formats the data in struct tm according to the * provided format char and optional modifier. This function is a hook * for derived classes to change the value returned. @see put() for * more details. * * @param __s The stream to write to. * @param __io Source of locale. * @param __fill char_type to use for padding. * @param __tm Struct tm with date and time info to format. * @param __format Format char. * @param __mod Optional modifier char. * @return Iterator after writing. */ virtual iter_type do_put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, char __format, char __mod) const; }; template<typename _CharT, typename _OutIter> locale::id time_put<_CharT, _OutIter>::id; /// class time_put_byname [22.2.5.4]. template<typename _CharT, typename _OutIter> class time_put_byname : public time_put<_CharT, _OutIter> { public: // Types: typedef _CharT char_type; typedef _OutIter iter_type; explicit time_put_byname(const char*, size_t __refs = 0) : time_put<_CharT, _OutIter>(__refs) { } #if __cplusplus >= 201103L explicit time_put_byname(const string& __s, size_t __refs = 0) : time_put_byname(__s.c_str(), __refs) { } #endif protected: virtual ~time_put_byname() { } }; /** * @brief Money format ordering data. * @ingroup locales * * This class contains an ordered array of 4 fields to represent the * pattern for formatting a money amount. Each field may contain one entry * from the part enum. symbol, sign, and value must be present and the * remaining field must contain either none or space. @see * moneypunct::pos_format() and moneypunct::neg_format() for details of how * these fields are interpreted. */ class money_base { public: enum part { none, space, symbol, sign, value }; struct pattern { char field[4]; }; static const pattern _S_default_pattern; enum { _S_minus, _S_zero, _S_end = 11 }; // String literal of acceptable (narrow) input/output, for // money_get/money_put. "-0123456789" static const char* _S_atoms; // Construct and return valid pattern consisting of some combination of: // space none symbol sign value _GLIBCXX_CONST static pattern _S_construct_pattern(char __precedes, char __space, char __posn) throw (); }; template<typename _CharT, bool _Intl> struct __moneypunct_cache : public locale::facet { const char* _M_grouping; size_t _M_grouping_size; bool _M_use_grouping; _CharT _M_decimal_point; _CharT _M_thousands_sep; const _CharT* _M_curr_symbol; size_t _M_curr_symbol_size; const _CharT* _M_positive_sign; size_t _M_positive_sign_size; const _CharT* _M_negative_sign; size_t _M_negative_sign_size; int _M_frac_digits; money_base::pattern _M_pos_format; money_base::pattern _M_neg_format; // A list of valid numeric literals for input and output: in the standard // "C" locale, this is "-0123456789". This array contains the chars after // having been passed through the current locale's ctype<_CharT>.widen(). _CharT _M_atoms[money_base::_S_end]; bool _M_allocated; __moneypunct_cache(size_t __refs = 0) : facet(__refs), _M_grouping(0), _M_grouping_size(0), _M_use_grouping(false), _M_decimal_point(_CharT()), _M_thousands_sep(_CharT()), _M_curr_symbol(0), _M_curr_symbol_size(0), _M_positive_sign(0), _M_positive_sign_size(0), _M_negative_sign(0), _M_negative_sign_size(0), _M_frac_digits(0), _M_pos_format(money_base::pattern()), _M_neg_format(money_base::pattern()), _M_allocated(false) { } ~__moneypunct_cache(); void _M_cache(const locale& __loc); private: __moneypunct_cache& operator=(const __moneypunct_cache&); explicit __moneypunct_cache(const __moneypunct_cache&); }; template<typename _CharT, bool _Intl> __moneypunct_cache<_CharT, _Intl>::~__moneypunct_cache() { if (_M_allocated) { delete [] _M_grouping; delete [] _M_curr_symbol; delete [] _M_positive_sign; delete [] _M_negative_sign; } } _GLIBCXX_BEGIN_NAMESPACE_CXX11 /** * @brief Primary class template moneypunct. * @ingroup locales * * This facet encapsulates the punctuation, grouping and other formatting * features of money amount string representations. */ template<typename _CharT, bool _Intl> class moneypunct : public locale::facet, public money_base { public: // Types: //@{ /// Public typedefs typedef _CharT char_type; typedef basic_string<_CharT> string_type; //@} typedef __moneypunct_cache<_CharT, _Intl> __cache_type; private: __cache_type* _M_data; public: /// This value is provided by the standard, but no reason for its /// existence. static const bool intl = _Intl; /// Numpunct facet id. static locale::id id; /** * @brief Constructor performs initialization. * * This is the constructor provided by the standard. * * @param __refs Passed to the base facet class. */ explicit moneypunct(size_t __refs = 0) : facet(__refs), _M_data(0) { _M_initialize_moneypunct(); } /** * @brief Constructor performs initialization. * * This is an internal constructor. * * @param __cache Cache for optimization. * @param __refs Passed to the base facet class. */ explicit moneypunct(__cache_type* __cache, size_t __refs = 0) : facet(__refs), _M_data(__cache) { _M_initialize_moneypunct(); } /** * @brief Internal constructor. Not for general use. * * This is a constructor for use by the library itself to set up new * locales. * * @param __cloc The C locale. * @param __s The name of a locale. * @param __refs Passed to the base facet class. */ explicit moneypunct(__c_locale __cloc, const char* __s, size_t __refs = 0) : facet(__refs), _M_data(0) { _M_initialize_moneypunct(__cloc, __s); } /** * @brief Return decimal point character. * * This function returns a char_type to use as a decimal point. It * does so by returning returning * moneypunct<char_type>::do_decimal_point(). * * @return @a char_type representing a decimal point. */ char_type decimal_point() const { return this->do_decimal_point(); } /** * @brief Return thousands separator character. * * This function returns a char_type to use as a thousands * separator. It does so by returning returning * moneypunct<char_type>::do_thousands_sep(). * * @return char_type representing a thousands separator. */ char_type thousands_sep() const { return this->do_thousands_sep(); } /** * @brief Return grouping specification. * * This function returns a string representing groupings for the * integer part of an amount. Groupings indicate where thousands * separators should be inserted. * * Each char in the return string is interpret as an integer rather * than a character. These numbers represent the number of digits in a * group. The first char in the string represents the number of digits * in the least significant group. If a char is negative, it indicates * an unlimited number of digits for the group. If more chars from the * string are required to group a number, the last char is used * repeatedly. * * For example, if the grouping() returns <code>\003\002</code> * and is applied to the number 123456789, this corresponds to * 12,34,56,789. Note that if the string was <code>32</code>, this would * put more than 50 digits into the least significant group if * the character set is ASCII. * * The string is returned by calling * moneypunct<char_type>::do_grouping(). * * @return string representing grouping specification. */ string grouping() const { return this->do_grouping(); } /** * @brief Return currency symbol string. * * This function returns a string_type to use as a currency symbol. It * does so by returning returning * moneypunct<char_type>::do_curr_symbol(). * * @return @a string_type representing a currency symbol. */ string_type curr_symbol() const { return this->do_curr_symbol(); } /** * @brief Return positive sign string. * * This function returns a string_type to use as a sign for positive * amounts. It does so by returning returning * moneypunct<char_type>::do_positive_sign(). * * If the return value contains more than one character, the first * character appears in the position indicated by pos_format() and the * remainder appear at the end of the formatted string. * * @return @a string_type representing a positive sign. */ string_type positive_sign() const { return this->do_positive_sign(); } /** * @brief Return negative sign string. * * This function returns a string_type to use as a sign for negative * amounts. It does so by returning returning * moneypunct<char_type>::do_negative_sign(). * * If the return value contains more than one character, the first * character appears in the position indicated by neg_format() and the * remainder appear at the end of the formatted string. * * @return @a string_type representing a negative sign. */ string_type negative_sign() const { return this->do_negative_sign(); } /** * @brief Return number of digits in fraction. * * This function returns the exact number of digits that make up the * fractional part of a money amount. It does so by returning * returning moneypunct<char_type>::do_frac_digits(). * * The fractional part of a money amount is optional. But if it is * present, there must be frac_digits() digits. * * @return Number of digits in amount fraction. */ int frac_digits() const { return this->do_frac_digits(); } //@{ /** * @brief Return pattern for money values. * * This function returns a pattern describing the formatting of a * positive or negative valued money amount. It does so by returning * returning moneypunct<char_type>::do_pos_format() or * moneypunct<char_type>::do_neg_format(). * * The pattern has 4 fields describing the ordering of symbol, sign, * value, and none or space. There must be one of each in the pattern. * The none and space enums may not appear in the first field and space * may not appear in the final field. * * The parts of a money string must appear in the order indicated by * the fields of the pattern. The symbol field indicates that the * value of curr_symbol() may be present. The sign field indicates * that the value of positive_sign() or negative_sign() must be * present. The value field indicates that the absolute value of the * money amount is present. none indicates 0 or more whitespace * characters, except at the end, where it permits no whitespace. * space indicates that 1 or more whitespace characters must be * present. * * For example, for the US locale and pos_format() pattern * {symbol,sign,value,none}, curr_symbol() == '$' * positive_sign() == '+', and value 10.01, and * options set to force the symbol, the corresponding string is * <code>$+10.01</code>. * * @return Pattern for money values. */ pattern pos_format() const { return this->do_pos_format(); } pattern neg_format() const { return this->do_neg_format(); } //@} protected: /// Destructor. virtual ~moneypunct(); /** * @brief Return decimal point character. * * Returns a char_type to use as a decimal point. This function is a * hook for derived classes to change the value returned. * * @return @a char_type representing a decimal point. */ virtual char_type do_decimal_point() const { return _M_data->_M_decimal_point; } /** * @brief Return thousands separator character. * * Returns a char_type to use as a thousands separator. This function * is a hook for derived classes to change the value returned. * * @return @a char_type representing a thousands separator. */ virtual char_type do_thousands_sep() const { return _M_data->_M_thousands_sep; } /** * @brief Return grouping specification. * * Returns a string representing groupings for the integer part of a * number. This function is a hook for derived classes to change the * value returned. @see grouping() for details. * * @return String representing grouping specification. */ virtual string do_grouping() const { return _M_data->_M_grouping; } /** * @brief Return currency symbol string. * * This function returns a string_type to use as a currency symbol. * This function is a hook for derived classes to change the value * returned. @see curr_symbol() for details. * * @return @a string_type representing a currency symbol. */ virtual string_type do_curr_symbol() const { return _M_data->_M_curr_symbol; } /** * @brief Return positive sign string. * * This function returns a string_type to use as a sign for positive * amounts. This function is a hook for derived classes to change the * value returned. @see positive_sign() for details. * * @return @a string_type representing a positive sign. */ virtual string_type do_positive_sign() const { return _M_data->_M_positive_sign; } /** * @brief Return negative sign string. * * This function returns a string_type to use as a sign for negative * amounts. This function is a hook for derived classes to change the * value returned. @see negative_sign() for details. * * @return @a string_type representing a negative sign. */ virtual string_type do_negative_sign() const { return _M_data->_M_negative_sign; } /** * @brief Return number of digits in fraction. * * This function returns the exact number of digits that make up the * fractional part of a money amount. This function is a hook for * derived classes to change the value returned. @see frac_digits() * for details. * * @return Number of digits in amount fraction. */ virtual int do_frac_digits() const { return _M_data->_M_frac_digits; } /** * @brief Return pattern for money values. * * This function returns a pattern describing the formatting of a * positive valued money amount. This function is a hook for derived * classes to change the value returned. @see pos_format() for * details. * * @return Pattern for money values. */ virtual pattern do_pos_format() const { return _M_data->_M_pos_format; } /** * @brief Return pattern for money values. * * This function returns a pattern describing the formatting of a * negative valued money amount. This function is a hook for derived * classes to change the value returned. @see neg_format() for * details. * * @return Pattern for money values. */ virtual pattern do_neg_format() const { return _M_data->_M_neg_format; } // For use at construction time only. void _M_initialize_moneypunct(__c_locale __cloc = 0, const char* __name = 0); }; template<typename _CharT, bool _Intl> locale::id moneypunct<_CharT, _Intl>::id; template<typename _CharT, bool _Intl> const bool moneypunct<_CharT, _Intl>::intl; template<> moneypunct<char, true>::~moneypunct(); template<> moneypunct<char, false>::~moneypunct(); template<> void moneypunct<char, true>::_M_initialize_moneypunct(__c_locale, const char*); template<> void moneypunct<char, false>::_M_initialize_moneypunct(__c_locale, const char*); #ifdef _GLIBCXX_USE_WCHAR_T template<> moneypunct<wchar_t, true>::~moneypunct(); template<> moneypunct<wchar_t, false>::~moneypunct(); template<> void moneypunct<wchar_t, true>::_M_initialize_moneypunct(__c_locale, const char*); template<> void moneypunct<wchar_t, false>::_M_initialize_moneypunct(__c_locale, const char*); #endif /// class moneypunct_byname [22.2.6.4]. template<typename _CharT, bool _Intl> class moneypunct_byname : public moneypunct<_CharT, _Intl> { public: typedef _CharT char_type; typedef basic_string<_CharT> string_type; static const bool intl = _Intl; explicit moneypunct_byname(const char* __s, size_t __refs = 0) : moneypunct<_CharT, _Intl>(__refs) { if (__builtin_strcmp(__s, "C") != 0 && __builtin_strcmp(__s, "POSIX") != 0) { __c_locale __tmp; this->_S_create_c_locale(__tmp, __s); this->_M_initialize_moneypunct(__tmp); this->_S_destroy_c_locale(__tmp); } } #if __cplusplus >= 201103L explicit moneypunct_byname(const string& __s, size_t __refs = 0) : moneypunct_byname(__s.c_str(), __refs) { } #endif protected: virtual ~moneypunct_byname() { } }; template<typename _CharT, bool _Intl> const bool moneypunct_byname<_CharT, _Intl>::intl; _GLIBCXX_END_NAMESPACE_CXX11 _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 /** * @brief Primary class template money_get. * @ingroup locales * * This facet encapsulates the code to parse and return a monetary * amount from a string. * * The money_get template uses protected virtual functions to * provide the actual results. The public accessors forward the * call to the virtual functions. These virtual functions are * hooks for developers to implement the behavior they require from * the money_get facet. */ template<typename _CharT, typename _InIter> class money_get : public locale::facet { public: // Types: //@{ /// Public typedefs typedef _CharT char_type; typedef _InIter iter_type; typedef basic_string<_CharT> string_type; //@} /// Numpunct facet id. static locale::id id; /** * @brief Constructor performs initialization. * * This is the constructor provided by the standard. * * @param __refs Passed to the base facet class. */ explicit money_get(size_t __refs = 0) : facet(__refs) { } /** * @brief Read and parse a monetary value. * * This function reads characters from @a __s, interprets them as a * monetary value according to moneypunct and ctype facets retrieved * from io.getloc(), and returns the result in @a units as an integral * value moneypunct::frac_digits() * the actual amount. For example, * the string $10.01 in a US locale would store 1001 in @a units. * * Any characters not part of a valid money amount are not consumed. * * If a money value cannot be parsed from the input stream, sets * err=(err|io.failbit). If the stream is consumed before finishing * parsing, sets err=(err|io.failbit|io.eofbit). @a units is * unchanged if parsing fails. * * This function works by returning the result of do_get(). * * @param __s Start of characters to parse. * @param __end End of characters to parse. * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. * @param __io Source of facets and io state. * @param __err Error field to set if parsing fails. * @param __units Place to store result of parsing. * @return Iterator referencing first character beyond valid money * amount. */ iter_type get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, ios_base::iostate& __err, long double& __units) const { return this->do_get(__s, __end, __intl, __io, __err, __units); } /** * @brief Read and parse a monetary value. * * This function reads characters from @a __s, interprets them as * a monetary value according to moneypunct and ctype facets * retrieved from io.getloc(), and returns the result in @a * digits. For example, the string $10.01 in a US locale would * store <code>1001</code> in @a digits. * * Any characters not part of a valid money amount are not consumed. * * If a money value cannot be parsed from the input stream, sets * err=(err|io.failbit). If the stream is consumed before finishing * parsing, sets err=(err|io.failbit|io.eofbit). * * This function works by returning the result of do_get(). * * @param __s Start of characters to parse. * @param __end End of characters to parse. * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. * @param __io Source of facets and io state. * @param __err Error field to set if parsing fails. * @param __digits Place to store result of parsing. * @return Iterator referencing first character beyond valid money * amount. */ iter_type get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, ios_base::iostate& __err, string_type& __digits) const { return this->do_get(__s, __end, __intl, __io, __err, __digits); } protected: /// Destructor. virtual ~money_get() { } /** * @brief Read and parse a monetary value. * * This function reads and parses characters representing a monetary * value. This function is a hook for derived classes to change the * value returned. @see get() for details. */ // XXX GLIBCXX_ABI Deprecated #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \ && _GLIBCXX_USE_CXX11_ABI == 0 virtual iter_type __do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, ios_base::iostate& __err, double& __units) const; #else virtual iter_type do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, ios_base::iostate& __err, long double& __units) const; #endif /** * @brief Read and parse a monetary value. * * This function reads and parses characters representing a monetary * value. This function is a hook for derived classes to change the * value returned. @see get() for details. */ virtual iter_type do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, ios_base::iostate& __err, string_type& __digits) const; // XXX GLIBCXX_ABI Deprecated #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \ && _GLIBCXX_USE_CXX11_ABI == 0 virtual iter_type do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, ios_base::iostate& __err, long double& __units) const; #endif template<bool _Intl> iter_type _M_extract(iter_type __s, iter_type __end, ios_base& __io, ios_base::iostate& __err, string& __digits) const; }; template<typename _CharT, typename _InIter> locale::id money_get<_CharT, _InIter>::id; /** * @brief Primary class template money_put. * @ingroup locales * * This facet encapsulates the code to format and output a monetary * amount. * * The money_put template uses protected virtual functions to * provide the actual results. The public accessors forward the * call to the virtual functions. These virtual functions are * hooks for developers to implement the behavior they require from * the money_put facet. */ template<typename _CharT, typename _OutIter> class money_put : public locale::facet { public: //@{ /// Public typedefs typedef _CharT char_type; typedef _OutIter iter_type; typedef basic_string<_CharT> string_type; //@} /// Numpunct facet id. static locale::id id; /** * @brief Constructor performs initialization. * * This is the constructor provided by the standard. * * @param __refs Passed to the base facet class. */ explicit money_put(size_t __refs = 0) : facet(__refs) { } /** * @brief Format and output a monetary value. * * This function formats @a units as a monetary value according to * moneypunct and ctype facets retrieved from io.getloc(), and writes * the resulting characters to @a __s. For example, the value 1001 in a * US locale would write <code>$10.01</code> to @a __s. * * This function works by returning the result of do_put(). * * @param __s The stream to write to. * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. * @param __io Source of facets and io state. * @param __fill char_type to use for padding. * @param __units Place to store result of parsing. * @return Iterator after writing. */ iter_type put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, long double __units) const { return this->do_put(__s, __intl, __io, __fill, __units); } /** * @brief Format and output a monetary value. * * This function formats @a digits as a monetary value * according to moneypunct and ctype facets retrieved from * io.getloc(), and writes the resulting characters to @a __s. * For example, the string <code>1001</code> in a US locale * would write <code>$10.01</code> to @a __s. * * This function works by returning the result of do_put(). * * @param __s The stream to write to. * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. * @param __io Source of facets and io state. * @param __fill char_type to use for padding. * @param __digits Place to store result of parsing. * @return Iterator after writing. */ iter_type put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, const string_type& __digits) const { return this->do_put(__s, __intl, __io, __fill, __digits); } protected: /// Destructor. virtual ~money_put() { } /** * @brief Format and output a monetary value. * * This function formats @a units as a monetary value according to * moneypunct and ctype facets retrieved from io.getloc(), and writes * the resulting characters to @a __s. For example, the value 1001 in a * US locale would write <code>$10.01</code> to @a __s. * * This function is a hook for derived classes to change the value * returned. @see put(). * * @param __s The stream to write to. * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. * @param __io Source of facets and io state. * @param __fill char_type to use for padding. * @param __units Place to store result of parsing. * @return Iterator after writing. */ // XXX GLIBCXX_ABI Deprecated #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \ && _GLIBCXX_USE_CXX11_ABI == 0 virtual iter_type __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, double __units) const; #else virtual iter_type do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, long double __units) const; #endif /** * @brief Format and output a monetary value. * * This function formats @a digits as a monetary value * according to moneypunct and ctype facets retrieved from * io.getloc(), and writes the resulting characters to @a __s. * For example, the string <code>1001</code> in a US locale * would write <code>$10.01</code> to @a __s. * * This function is a hook for derived classes to change the value * returned. @see put(). * * @param __s The stream to write to. * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. * @param __io Source of facets and io state. * @param __fill char_type to use for padding. * @param __digits Place to store result of parsing. * @return Iterator after writing. */ virtual iter_type do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, const string_type& __digits) const; // XXX GLIBCXX_ABI Deprecated #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \ && _GLIBCXX_USE_CXX11_ABI == 0 virtual iter_type do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, long double __units) const; #endif template<bool _Intl> iter_type _M_insert(iter_type __s, ios_base& __io, char_type __fill, const string_type& __digits) const; }; template<typename _CharT, typename _OutIter> locale::id money_put<_CharT, _OutIter>::id; _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 /** * @brief Messages facet base class providing catalog typedef. * @ingroup locales */ struct messages_base { typedef int catalog; }; _GLIBCXX_BEGIN_NAMESPACE_CXX11 /** * @brief Primary class template messages. * @ingroup locales * * This facet encapsulates the code to retrieve messages from * message catalogs. The only thing defined by the standard for this facet * is the interface. All underlying functionality is * implementation-defined. * * This library currently implements 3 versions of the message facet. The * first version (gnu) is a wrapper around gettext, provided by libintl. * The second version (ieee) is a wrapper around catgets. The final * version (default) does no actual translation. These implementations are * only provided for char and wchar_t instantiations. * * The messages template uses protected virtual functions to * provide the actual results. The public accessors forward the * call to the virtual functions. These virtual functions are * hooks for developers to implement the behavior they require from * the messages facet. */ template<typename _CharT> class messages : public locale::facet, public messages_base { public: // Types: //@{ /// Public typedefs typedef _CharT char_type; typedef basic_string<_CharT> string_type; //@} protected: // Underlying "C" library locale information saved from // initialization, needed by messages_byname as well. __c_locale _M_c_locale_messages; const char* _M_name_messages; public: /// Numpunct facet id. static locale::id id; /** * @brief Constructor performs initialization. * * This is the constructor provided by the standard. * * @param __refs Passed to the base facet class. */ explicit messages(size_t __refs = 0); // Non-standard. /** * @brief Internal constructor. Not for general use. * * This is a constructor for use by the library itself to set up new * locales. * * @param __cloc The C locale. * @param __s The name of a locale. * @param __refs Refcount to pass to the base class. */ explicit messages(__c_locale __cloc, const char* __s, size_t __refs = 0); /* * @brief Open a message catalog. * * This function opens and returns a handle to a message catalog by * returning do_open(__s, __loc). * * @param __s The catalog to open. * @param __loc Locale to use for character set conversions. * @return Handle to the catalog or value < 0 if open fails. */ catalog open(const basic_string<char>& __s, const locale& __loc) const { return this->do_open(__s, __loc); } // Non-standard and unorthodox, yet effective. /* * @brief Open a message catalog. * * This non-standard function opens and returns a handle to a message * catalog by returning do_open(s, loc). The third argument provides a * message catalog root directory for gnu gettext and is ignored * otherwise. * * @param __s The catalog to open. * @param __loc Locale to use for character set conversions. * @param __dir Message catalog root directory. * @return Handle to the catalog or value < 0 if open fails. */ catalog open(const basic_string<char>&, const locale&, const char*) const; /* * @brief Look up a string in a message catalog. * * This function retrieves and returns a message from a catalog by * returning do_get(c, set, msgid, s). * * For gnu, @a __set and @a msgid are ignored. Returns gettext(s). * For default, returns s. For ieee, returns catgets(c,set,msgid,s). * * @param __c The catalog to access. * @param __set Implementation-defined. * @param __msgid Implementation-defined. * @param __s Default return value if retrieval fails. * @return Retrieved message or @a __s if get fails. */ string_type get(catalog __c, int __set, int __msgid, const string_type& __s) const { return this->do_get(__c, __set, __msgid, __s); } /* * @brief Close a message catalog. * * Closes catalog @a c by calling do_close(c). * * @param __c The catalog to close. */ void close(catalog __c) const { return this->do_close(__c); } protected: /// Destructor. virtual ~messages(); /* * @brief Open a message catalog. * * This function opens and returns a handle to a message catalog in an * implementation-defined manner. This function is a hook for derived * classes to change the value returned. * * @param __s The catalog to open. * @param __loc Locale to use for character set conversions. * @return Handle to the opened catalog, value < 0 if open failed. */ virtual catalog do_open(const basic_string<char>&, const locale&) const; /* * @brief Look up a string in a message catalog. * * This function retrieves and returns a message from a catalog in an * implementation-defined manner. This function is a hook for derived * classes to change the value returned. * * For gnu, @a __set and @a __msgid are ignored. Returns gettext(s). * For default, returns s. For ieee, returns catgets(c,set,msgid,s). * * @param __c The catalog to access. * @param __set Implementation-defined. * @param __msgid Implementation-defined. * @param __s Default return value if retrieval fails. * @return Retrieved message or @a __s if get fails. */ virtual string_type do_get(catalog, int, int, const string_type& __dfault) const; /* * @brief Close a message catalog. * * @param __c The catalog to close. */ virtual void do_close(catalog) const; // Returns a locale and codeset-converted string, given a char* message. char* _M_convert_to_char(const string_type& __msg) const { // XXX return reinterpret_cast<char*>(const_cast<_CharT*>(__msg.c_str())); } // Returns a locale and codeset-converted string, given a char* message. string_type _M_convert_from_char(char*) const { // XXX return string_type(); } }; template<typename _CharT> locale::id messages<_CharT>::id; /// Specializations for required instantiations. template<> string messages<char>::do_get(catalog, int, int, const string&) const; #ifdef _GLIBCXX_USE_WCHAR_T template<> wstring messages<wchar_t>::do_get(catalog, int, int, const wstring&) const; #endif /// class messages_byname [22.2.7.2]. template<typename _CharT> class messages_byname : public messages<_CharT> { public: typedef _CharT char_type; typedef basic_string<_CharT> string_type; explicit messages_byname(const char* __s, size_t __refs = 0); #if __cplusplus >= 201103L explicit messages_byname(const string& __s, size_t __refs = 0) : messages_byname(__s.c_str(), __refs) { } #endif protected: virtual ~messages_byname() { } }; _GLIBCXX_END_NAMESPACE_CXX11 _GLIBCXX_END_NAMESPACE_VERSION } // namespace // Include host and configuration specific messages functions. #include <bits/messages_members.h> // 22.2.1.5 Template class codecvt #include <bits/codecvt.h> #include <bits/locale_facets_nonio.tcc> #endif
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