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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/bits/locale_facets_nonio.h')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/bits/locale_facets_nonio.h | 1914 |
1 files changed, 0 insertions, 1914 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/bits/locale_facets_nonio.h b/gcc-4.4.3/libstdc++-v3/include/bits/locale_facets_nonio.h deleted file mode 100644 index aba96d6c1..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/bits/locale_facets_nonio.h +++ /dev/null @@ -1,1914 +0,0 @@ -// Locale support -*- C++ -*- - -// Copyright (C) 2007, 2009 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 locale_facets_nonio.h - * This is an internal header file, included by other library headers. - * You should not attempt to use it directly. - */ - -// -// 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 - -_GLIBCXX_BEGIN_NAMESPACE(std) - - /** - * @brief Time format ordering data. - * - * This class provides an enum representing different orderings of 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(NULL), _M_date_era_format(NULL), _M_time_format(NULL), - _M_time_era_format(NULL), _M_date_time_format(NULL), - _M_date_time_era_format(NULL), _M_am(NULL), _M_pm(NULL), - _M_am_pm_format(NULL), _M_day1(NULL), _M_day2(NULL), _M_day3(NULL), - _M_day4(NULL), _M_day5(NULL), _M_day6(NULL), _M_day7(NULL), - _M_aday1(NULL), _M_aday2(NULL), _M_aday3(NULL), _M_aday4(NULL), - _M_aday5(NULL), _M_aday6(NULL), _M_aday7(NULL), _M_month01(NULL), - _M_month02(NULL), _M_month03(NULL), _M_month04(NULL), _M_month05(NULL), - _M_month06(NULL), _M_month07(NULL), _M_month08(NULL), _M_month09(NULL), - _M_month10(NULL), _M_month11(NULL), _M_month12(NULL), _M_amonth01(NULL), - _M_amonth02(NULL), _M_amonth03(NULL), _M_amonth04(NULL), - _M_amonth05(NULL), _M_amonth06(NULL), _M_amonth07(NULL), - _M_amonth08(NULL), _M_amonth09(NULL), _M_amonth10(NULL), - _M_amonth11(NULL), _M_amonth12(NULL), _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; - - 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 = NULL); - }; - - 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; - -#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; -#endif - -_GLIBCXX_END_NAMESPACE - - // Include host and configuration specific timepunct functions. - #include <bits/time_members.h> - -_GLIBCXX_BEGIN_NAMESPACE(std) - - /** - * @brief Facet for parsing dates and times. - * - * 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 "x" given to time_put::put() only - * uses month, day, and year. If the format "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 "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 "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 "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 "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 "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 "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 "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 day or month name, or 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 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 Facet for outputting dates and times. - * - * 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. - * - * 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 - static pattern - _S_construct_pattern(char __precedes, char __space, char __posn); - }; - - 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(NULL), _M_grouping_size(0), _M_use_grouping(false), - _M_decimal_point(_CharT()), _M_thousands_sep(_CharT()), - _M_curr_symbol(NULL), _M_curr_symbol_size(0), - _M_positive_sign(NULL), _M_positive_sign_size(0), - _M_negative_sign(NULL), _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 Facet for formatting data for money amounts. - * - * 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(NULL) - { _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(NULL) - { _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 "\003\002" and is applied to - * the number 123456789, this corresponds to 12,34,56,789. Note that - * if the string was "32", 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() == '$' positive_sign() == - * '+', and value 10.01, and options set to force the symbol, the - * corresponding string is "$+10.01". - * - * @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 = NULL, - const char* __name = NULL); - }; - - 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_LDBL_NAMESPACE - - /** - * @brief Facet for parsing monetary amounts. - * - * 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 "1001" 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 Facet for outputting monetary amounts. - * - * 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 "$10.01" 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 "1001" in - * a US locale would write "$10.01" 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 "$10.01" 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 "1001" in - * a US locale would write "$10.01" 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_LDBL_NAMESPACE - - /** - * @brief Messages facet base class providing catalog typedef. - */ - struct messages_base - { - typedef int catalog; - }; - - /** - * @brief Facet for handling message catalogs - * - * 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 - -// Include host and configuration specific messages functions. -#include <bits/messages_members.h> - -// 22.2.1.5 Template class codecvt -#include <bits/codecvt.h> - -#ifndef _GLIBCXX_EXPORT_TEMPLATE -# include <bits/locale_facets_nonio.tcc> -#endif - -#endif |