| // Locale support -*- C++ -*- |
| |
| // Copyright (C) 2007, 2008, 2009, 2010, 2011 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(); |
| |
| void |
| _M_cache(const locale& __loc); |
| |
| 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 basic_string<_CharT> __string_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; |
| } |
| |
| void |
| _M_am_pm_format(const _CharT* __ampm) const |
| { __ampm = _M_data->_M_am_pm_format; } |
| |
| 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 |
| |
| /** |
| * @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; |
| //@} |
| 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 |
| time_get(size_t __refs = 0) |
| : facet (__refs) { } |
| |
| /** |
| * @brief Return preferred order of month, day, and year. |
| * |
| * This function returns an enum from timebase::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 |
| * timebase::dateorder::noorder. |
| * |
| * NOTE: The library always returns noorder at the moment. |
| * |
| * @return A member of timebase::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); } |
| |
| protected: |
| /// Destructor. |
| virtual |
| ~time_get() { } |
| |
| /** |
| * @brief Return preferred order of month, day, and year. |
| * |
| * This function returns an enum from timebase::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 timebase::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; |
| |
| // 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) { } |
| |
| protected: |
| virtual |
| ~time_get_byname() { } |
| }; |
| |
| /** |
| * @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) |
| { }; |
| |
| 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; |
| } |
| } |
| |
| /** |
| * @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); |
| } |
| } |
| |
| protected: |
| virtual |
| ~moneypunct_byname() { } |
| }; |
| |
| template<typename _CharT, bool _Intl> |
| const bool moneypunct_byname<_CharT, _Intl>::intl; |
| |
| _GLIBCXX_BEGIN_NAMESPACE_LDBL |
| |
| /** |
| * @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__ |
| 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__ |
| 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 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, 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__ |
| 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 units 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__ |
| 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 |
| |
| /** |
| * @brief Messages facet base class providing catalog typedef. |
| * @ingroup locales |
| */ |
| struct messages_base |
| { |
| typedef int catalog; |
| }; |
| |
| /** |
| * @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 |
| { |
| #if 0 |
| // Length of message string without terminating null. |
| size_t __len = char_traits<char>::length(__msg) - 1; |
| |
| // "everybody can easily convert the string using |
| // mbsrtowcs/wcsrtombs or with iconv()" |
| |
| // Convert char* to _CharT in locale used to open catalog. |
| // XXX need additional template parameter on messages class for this.. |
| // typedef typename codecvt<char, _CharT, _StateT> __codecvt_type; |
| typedef typename codecvt<char, _CharT, mbstate_t> __codecvt_type; |
| |
| __codecvt_type::state_type __state; |
| // XXX may need to initialize state. |
| //initialize_state(__state._M_init()); |
| |
| char* __from_next; |
| // XXX what size for this string? |
| _CharT* __to = static_cast<_CharT*>(__builtin_alloca(__len + 1)); |
| const __codecvt_type& __cvt = use_facet<__codecvt_type>(_M_locale_conv); |
| __cvt.out(__state, __msg, __msg + __len, __from_next, |
| __to, __to + __len + 1, __to_next); |
| return string_type(__to); |
| #endif |
| #if 0 |
| typedef ctype<_CharT> __ctype_type; |
| // const __ctype_type& __cvt = use_facet<__ctype_type>(_M_locale_msg); |
| const __ctype_type& __cvt = use_facet<__ctype_type>(locale()); |
| // XXX Again, proper length of converted string an issue here. |
| // For now, assume the converted length is not larger. |
| _CharT* __dest = static_cast<_CharT*>(__builtin_alloca(__len + 1)); |
| __cvt.widen(__msg, __msg + __len, __dest); |
| return basic_string<_CharT>(__dest); |
| #endif |
| 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); |
| |
| protected: |
| virtual |
| ~messages_byname() |
| { } |
| }; |
| |
| _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 |
