// Locale support -*- C++ -*- // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 // Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 2, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // USA. // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // ISO C++ 14882: 22.1 Locales // /** @file locale_facets.h * This is an internal header file, included by other library headers. * You should not attempt to use it directly. */ #ifndef _LOCALE_FACETS_H #define _LOCALE_FACETS_H 1 #pragma GCC system_header #include <ctime> // For struct tm #include <cwctype> // For wctype_t #include <iosfwd> #include <bits/ios_base.h> // For ios_base, ios_base::iostate #include <streambuf> namespace std { // NB: Don't instantiate required wchar_t facets if no wchar_t support. #ifdef _GLIBCXX_USE_WCHAR_T # define _GLIBCXX_NUM_FACETS 28 #else # define _GLIBCXX_NUM_FACETS 14 #endif // Convert string to numeric value of type _Tv and store results. // NB: This is specialized for all required types, there is no // generic definition. template<typename _Tv> void __convert_to_v(const char* __in, _Tv& __out, ios_base::iostate& __err, const __c_locale& __cloc); // Explicit specializations for required types. template<> void __convert_to_v(const char*, float&, ios_base::iostate&, const __c_locale&); template<> void __convert_to_v(const char*, double&, ios_base::iostate&, const __c_locale&); template<> void __convert_to_v(const char*, long double&, ios_base::iostate&, const __c_locale&); // NB: __pad is a struct, rather than a function, so it can be // partially-specialized. template<typename _CharT, typename _Traits> struct __pad { static void _S_pad(ios_base& __io, _CharT __fill, _CharT* __news, const _CharT* __olds, const streamsize __newlen, const streamsize __oldlen, const bool __num); }; // Used by both numeric and monetary facets. // Inserts "group separator" characters into an array of characters. // It's recursive, one iteration per group. It moves the characters // in the buffer this way: "xxxx12345" -> "12,345xxx". Call this // only with __glen != 0. template<typename _CharT> _CharT* __add_grouping(_CharT* __s, _CharT __sep, const char* __gbeg, size_t __gsize, const _CharT* __first, const _CharT* __last); // This template permits specializing facet output code for // ostreambuf_iterator. For ostreambuf_iterator, sputn is // significantly more efficient than incrementing iterators. template<typename _CharT> inline ostreambuf_iterator<_CharT> __write(ostreambuf_iterator<_CharT> __s, const _CharT* __ws, int __len) { __s._M_put(__ws, __len); return __s; } // This is the unspecialized form of the template. template<typename _CharT, typename _OutIter> inline _OutIter __write(_OutIter __s, const _CharT* __ws, int __len) { for (int __j = 0; __j < __len; __j++, ++__s) *__s = __ws[__j]; return __s; } // 22.2.1.1 Template class ctype // Include host and configuration specific ctype enums for ctype_base. #include <bits/ctype_base.h> // Common base for ctype<_CharT>. /** * @brief Common base for ctype facet * * This template class provides implementations of the public functions * that forward to the protected virtual functions. * * This template also provides abtract stubs for the protected virtual * functions. */ template<typename _CharT> class __ctype_abstract_base : public locale::facet, public ctype_base { public: // Types: /// Typedef for the template parameter typedef _CharT char_type; /** * @brief Test char_type classification. * * This function finds a mask M for @a c and compares it to mask @a m. * It does so by returning the value of ctype<char_type>::do_is(). * * @param c The char_type to compare the mask of. * @param m The mask to compare against. * @return (M & m) != 0. */ bool is(mask __m, char_type __c) const { return this->do_is(__m, __c); } /** * @brief Return a mask array. * * This function finds the mask for each char_type in the range [lo,hi) * and successively writes it to vec. vec must have as many elements * as the char array. It does so by returning the value of * ctype<char_type>::do_is(). * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param vec Pointer to an array of mask storage. * @return @a hi. */ const char_type* is(const char_type *__lo, const char_type *__hi, mask *__vec) const { return this->do_is(__lo, __hi, __vec); } /** * @brief Find char_type matching a mask * * This function searches for and returns the first char_type c in * [lo,hi) for which is(m,c) is true. It does so by returning * ctype<char_type>::do_scan_is(). * * @param m The mask to compare against. * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return Pointer to matching char_type if found, else @a hi. */ const char_type* scan_is(mask __m, const char_type* __lo, const char_type* __hi) const { return this->do_scan_is(__m, __lo, __hi); } /** * @brief Find char_type not matching a mask * * This function searches for and returns the first char_type c in * [lo,hi) for which is(m,c) is false. It does so by returning * ctype<char_type>::do_scan_not(). * * @param m The mask to compare against. * @param lo Pointer to first char in range. * @param hi Pointer to end of range. * @return Pointer to non-matching char if found, else @a hi. */ const char_type* scan_not(mask __m, const char_type* __lo, const char_type* __hi) const { return this->do_scan_not(__m, __lo, __hi); } /** * @brief Convert to uppercase. * * This function converts the argument to uppercase if possible. * If not possible (for example, '2'), returns the argument. It does * so by returning ctype<char_type>::do_toupper(). * * @param c The char_type to convert. * @return The uppercase char_type if convertible, else @a c. */ char_type toupper(char_type __c) const { return this->do_toupper(__c); } /** * @brief Convert array to uppercase. * * This function converts each char_type in the range [lo,hi) to * uppercase if possible. Other elements remain untouched. It does so * by returning ctype<char_type>:: do_toupper(lo, hi). * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return @a hi. */ const char_type* toupper(char_type *__lo, const char_type* __hi) const { return this->do_toupper(__lo, __hi); } /** * @brief Convert to lowercase. * * This function converts the argument to lowercase if possible. If * not possible (for example, '2'), returns the argument. It does so * by returning ctype<char_type>::do_tolower(c). * * @param c The char_type to convert. * @return The lowercase char_type if convertible, else @a c. */ char_type tolower(char_type __c) const { return this->do_tolower(__c); } /** * @brief Convert array to lowercase. * * This function converts each char_type in the range [lo,hi) to * lowercase if possible. Other elements remain untouched. It does so * by returning ctype<char_type>:: do_tolower(lo, hi). * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return @a hi. */ const char_type* tolower(char_type* __lo, const char_type* __hi) const { return this->do_tolower(__lo, __hi); } /** * @brief Widen char to char_type * * This function converts the char argument to char_type using the * simplest reasonable transformation. It does so by returning * ctype<char_type>::do_widen(c). * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param c The char to convert. * @return The converted char_type. */ char_type widen(char __c) const { return this->do_widen(__c); } /** * @brief Widen array to char_type * * This function converts each char in the input to char_type using the * simplest reasonable transformation. It does so by returning * ctype<char_type>::do_widen(c). * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param to Pointer to the destination array. * @return @a hi. */ const char* widen(const char* __lo, const char* __hi, char_type* __to) const { return this->do_widen(__lo, __hi, __to); } /** * @brief Narrow char_type to char * * This function converts the char_type to char using the simplest * reasonable transformation. If the conversion fails, dfault is * returned instead. It does so by returning * ctype<char_type>::do_narrow(c). * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param c The char_type to convert. * @param dfault Char to return if conversion fails. * @return The converted char. */ char narrow(char_type __c, char __dfault) const { return this->do_narrow(__c, __dfault); } /** * @brief Narrow array to char array * * This function converts each char_type in the input to char using the * simplest reasonable transformation and writes the results to the * destination array. For any char_type in the input that cannot be * converted, @a dfault is used instead. It does so by returning * ctype<char_type>::do_narrow(lo, hi, dfault, to). * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param dfault Char to use if conversion fails. * @param to Pointer to the destination array. * @return @a hi. */ const char_type* narrow(const char_type* __lo, const char_type* __hi, char __dfault, char *__to) const { return this->do_narrow(__lo, __hi, __dfault, __to); } protected: explicit __ctype_abstract_base(size_t __refs = 0): facet(__refs) { } virtual ~__ctype_abstract_base() { } /** * @brief Test char_type classification. * * This function finds a mask M for @a c and compares it to mask @a m. * * do_is() is a hook for a derived facet to change the behavior of * classifying. do_is() must always return the same result for the * same input. * * @param c The char_type to find the mask of. * @param m The mask to compare against. * @return (M & m) != 0. */ virtual bool do_is(mask __m, char_type __c) const = 0; /** * @brief Return a mask array. * * This function finds the mask for each char_type in the range [lo,hi) * and successively writes it to vec. vec must have as many elements * as the input. * * do_is() is a hook for a derived facet to change the behavior of * classifying. do_is() must always return the same result for the * same input. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param vec Pointer to an array of mask storage. * @return @a hi. */ virtual const char_type* do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const = 0; /** * @brief Find char_type matching mask * * This function searches for and returns the first char_type c in * [lo,hi) for which is(m,c) is true. * * do_scan_is() is a hook for a derived facet to change the behavior of * match searching. do_is() must always return the same result for the * same input. * * @param m The mask to compare against. * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return Pointer to a matching char_type if found, else @a hi. */ virtual const char_type* do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const = 0; /** * @brief Find char_type not matching mask * * This function searches for and returns a pointer to the first * char_type c of [lo,hi) for which is(m,c) is false. * * do_scan_is() is a hook for a derived facet to change the behavior of * match searching. do_is() must always return the same result for the * same input. * * @param m The mask to compare against. * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return Pointer to a non-matching char_type if found, else @a hi. */ virtual const char_type* do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const = 0; /** * @brief Convert to uppercase. * * This virtual function converts the char_type argument to uppercase * if possible. If not possible (for example, '2'), returns the * argument. * * do_toupper() is a hook for a derived facet to change the behavior of * uppercasing. do_toupper() must always return the same result for * the same input. * * @param c The char_type to convert. * @return The uppercase char_type if convertible, else @a c. */ virtual char_type do_toupper(char_type) const = 0; /** * @brief Convert array to uppercase. * * This virtual function converts each char_type in the range [lo,hi) * to uppercase if possible. Other elements remain untouched. * * do_toupper() is a hook for a derived facet to change the behavior of * uppercasing. do_toupper() must always return the same result for * the same input. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return @a hi. */ virtual const char_type* do_toupper(char_type* __lo, const char_type* __hi) const = 0; /** * @brief Convert to lowercase. * * This virtual function converts the argument to lowercase if * possible. If not possible (for example, '2'), returns the argument. * * do_tolower() is a hook for a derived facet to change the behavior of * lowercasing. do_tolower() must always return the same result for * the same input. * * @param c The char_type to convert. * @return The lowercase char_type if convertible, else @a c. */ virtual char_type do_tolower(char_type) const = 0; /** * @brief Convert array to lowercase. * * This virtual function converts each char_type in the range [lo,hi) * to lowercase if possible. Other elements remain untouched. * * do_tolower() is a hook for a derived facet to change the behavior of * lowercasing. do_tolower() must always return the same result for * the same input. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return @a hi. */ virtual const char_type* do_tolower(char_type* __lo, const char_type* __hi) const = 0; /** * @brief Widen char * * This virtual function converts the char to char_type using the * simplest reasonable transformation. * * do_widen() is a hook for a derived facet to change the behavior of * widening. do_widen() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param c The char to convert. * @return The converted char_type */ virtual char_type do_widen(char) const = 0; /** * @brief Widen char array * * This function converts each char in the input to char_type using the * simplest reasonable transformation. * * do_widen() is a hook for a derived facet to change the behavior of * widening. do_widen() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param lo Pointer to start range. * @param hi Pointer to end of range. * @param to Pointer to the destination array. * @return @a hi. */ virtual const char* do_widen(const char* __lo, const char* __hi, char_type* __dest) const = 0; /** * @brief Narrow char_type to char * * This virtual function converts the argument to char using the * simplest reasonable transformation. If the conversion fails, dfault * is returned instead. * * do_narrow() is a hook for a derived facet to change the behavior of * narrowing. do_narrow() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param c The char_type to convert. * @param dfault Char to return if conversion fails. * @return The converted char. */ virtual char do_narrow(char_type, char __dfault) const = 0; /** * @brief Narrow char_type array to char * * This virtual function converts each char_type in the range [lo,hi) to * char using the simplest reasonable transformation and writes the * results to the destination array. For any element in the input that * cannot be converted, @a dfault is used instead. * * do_narrow() is a hook for a derived facet to change the behavior of * narrowing. do_narrow() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param dfault Char to use if conversion fails. * @param to Pointer to the destination array. * @return @a hi. */ virtual const char_type* do_narrow(const char_type* __lo, const char_type* __hi, char __dfault, char* __dest) const = 0; }; // NB: Generic, mostly useless implementation. /** * @brief Template ctype facet * * This template class defines classification and conversion functions for * character sets. It wraps <cctype> functionality. Ctype gets used by * streams for many I/O operations. * * This template provides the protected virtual functions the developer * will have to replace in a derived class or specialization to make a * working facet. The public functions that access them are defined in * __ctype_abstract_base, to allow for implementation flexibility. See * ctype<wchar_t> for an example. The functions are documented in * __ctype_abstract_base. * * Note: implementations are provided for all the protected virtual * functions, but will likely not be useful. */ template<typename _CharT> class ctype : public __ctype_abstract_base<_CharT> { public: // Types: typedef _CharT char_type; typedef typename __ctype_abstract_base<_CharT>::mask mask; /// The facet id for ctype<char_type> static locale::id id; explicit ctype(size_t __refs = 0) : __ctype_abstract_base<_CharT>(__refs) { } protected: virtual ~ctype(); virtual bool do_is(mask __m, char_type __c) const; virtual const char_type* do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const; virtual const char_type* do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const; virtual const char_type* do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const; virtual char_type do_toupper(char_type __c) const; virtual const char_type* do_toupper(char_type* __lo, const char_type* __hi) const; virtual char_type do_tolower(char_type __c) const; virtual const char_type* do_tolower(char_type* __lo, const char_type* __hi) const; virtual char_type do_widen(char __c) const; virtual const char* do_widen(const char* __lo, const char* __hi, char_type* __dest) const; virtual char do_narrow(char_type, char __dfault) const; virtual const char_type* do_narrow(const char_type* __lo, const char_type* __hi, char __dfault, char* __dest) const; }; template<typename _CharT> locale::id ctype<_CharT>::id; // 22.2.1.3 ctype<char> specialization. /** * @brief The ctype<char> specialization. * * This class defines classification and conversion functions for * the char type. It gets used by char streams for many I/O * operations. The char specialization provides a number of * optimizations as well. */ template<> class ctype<char> : public locale::facet, public ctype_base { public: // Types: /// Typedef for the template parameter char. typedef char char_type; protected: // Data Members: __c_locale _M_c_locale_ctype; bool _M_del; __to_type _M_toupper; __to_type _M_tolower; const mask* _M_table; mutable char _M_widen_ok; mutable char _M_widen[1 + static_cast<unsigned char>(-1)]; mutable char _M_narrow[1 + static_cast<unsigned char>(-1)]; mutable char _M_narrow_ok; // 0 uninitialized, 1 init, // 2 memcpy can't be used public: /// The facet id for ctype<char> static locale::id id; /// The size of the mask table. It is SCHAR_MAX + 1. static const size_t table_size = 1 + static_cast<unsigned char>(-1); /** * @brief Constructor performs initialization. * * This is the constructor provided by the standard. * * @param table If non-zero, table is used as the per-char mask. * Else classic_table() is used. * @param del If true, passes ownership of table to this facet. * @param refs Passed to the base facet class. */ explicit ctype(const mask* __table = 0, bool __del = false, size_t __refs = 0); /** * @brief Constructor performs static initialization. * * This constructor is used to construct the initial C locale facet. * * @param cloc Handle to C locale data. * @param table If non-zero, table is used as the per-char mask. * @param del If true, passes ownership of table to this facet. * @param refs Passed to the base facet class. */ explicit ctype(__c_locale __cloc, const mask* __table = 0, bool __del = false, size_t __refs = 0); /** * @brief Test char classification. * * This function compares the mask table[c] to @a m. * * @param c The char to compare the mask of. * @param m The mask to compare against. * @return True if m & table[c] is true, false otherwise. */ inline bool is(mask __m, char __c) const; /** * @brief Return a mask array. * * This function finds the mask for each char in the range [lo, hi) and * successively writes it to vec. vec must have as many elements as * the char array. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param vec Pointer to an array of mask storage. * @return @a hi. */ inline const char* is(const char* __lo, const char* __hi, mask* __vec) const; /** * @brief Find char matching a mask * * This function searches for and returns the first char in [lo,hi) for * which is(m,char) is true. * * @param m The mask to compare against. * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return Pointer to a matching char if found, else @a hi. */ inline const char* scan_is(mask __m, const char* __lo, const char* __hi) const; /** * @brief Find char not matching a mask * * This function searches for and returns a pointer to the first char * in [lo,hi) for which is(m,char) is false. * * @param m The mask to compare against. * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return Pointer to a non-matching char if found, else @a hi. */ inline const char* scan_not(mask __m, const char* __lo, const char* __hi) const; /** * @brief Convert to uppercase. * * This function converts the char argument to uppercase if possible. * If not possible (for example, '2'), returns the argument. * * toupper() acts as if it returns ctype<char>::do_toupper(c). * do_toupper() must always return the same result for the same input. * * @param c The char to convert. * @return The uppercase char if convertible, else @a c. */ char_type toupper(char_type __c) const { return this->do_toupper(__c); } /** * @brief Convert array to uppercase. * * This function converts each char in the range [lo,hi) to uppercase * if possible. Other chars remain untouched. * * toupper() acts as if it returns ctype<char>:: do_toupper(lo, hi). * do_toupper() must always return the same result for the same input. * * @param lo Pointer to first char in range. * @param hi Pointer to end of range. * @return @a hi. */ const char_type* toupper(char_type *__lo, const char_type* __hi) const { return this->do_toupper(__lo, __hi); } /** * @brief Convert to lowercase. * * This function converts the char argument to lowercase if possible. * If not possible (for example, '2'), returns the argument. * * tolower() acts as if it returns ctype<char>::do_tolower(c). * do_tolower() must always return the same result for the same input. * * @param c The char to convert. * @return The lowercase char if convertible, else @a c. */ char_type tolower(char_type __c) const { return this->do_tolower(__c); } /** * @brief Convert array to lowercase. * * This function converts each char in the range [lo,hi) to lowercase * if possible. Other chars remain untouched. * * tolower() acts as if it returns ctype<char>:: do_tolower(lo, hi). * do_tolower() must always return the same result for the same input. * * @param lo Pointer to first char in range. * @param hi Pointer to end of range. * @return @a hi. */ const char_type* tolower(char_type* __lo, const char_type* __hi) const { return this->do_tolower(__lo, __hi); } /** * @brief Widen char * * This function converts the char to char_type using the simplest * reasonable transformation. For an underived ctype<char> facet, the * argument will be returned unchanged. * * This function works as if it returns ctype<char>::do_widen(c). * do_widen() must always return the same result for the same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param c The char to convert. * @return The converted character. */ char_type widen(char __c) const { if (_M_widen_ok) return _M_widen[static_cast<unsigned char>(__c)]; this->_M_widen_init(); return this->do_widen(__c); } /** * @brief Widen char array * * This function converts each char in the input to char using the * simplest reasonable transformation. For an underived ctype<char> * facet, the argument will be copied unchanged. * * This function works as if it returns ctype<char>::do_widen(c). * do_widen() must always return the same result for the same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param lo Pointer to first char in range. * @param hi Pointer to end of range. * @param to Pointer to the destination array. * @return @a hi. */ const char* widen(const char* __lo, const char* __hi, char_type* __to) const { if (_M_widen_ok == 1) { memcpy(__to, __lo, __hi - __lo); return __hi; } if (!_M_widen_ok) _M_widen_init(); return this->do_widen(__lo, __hi, __to); } /** * @brief Narrow char * * This function converts the char to char using the simplest * reasonable transformation. If the conversion fails, dfault is * returned instead. For an underived ctype<char> facet, @a c * will be returned unchanged. * * This function works as if it returns ctype<char>::do_narrow(c). * do_narrow() must always return the same result for the same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param c The char to convert. * @param dfault Char to return if conversion fails. * @return The converted character. */ char narrow(char_type __c, char __dfault) const { if (_M_narrow[static_cast<unsigned char>(__c)]) return _M_narrow[static_cast<unsigned char>(__c)]; const char __t = do_narrow(__c, __dfault); if (__t != __dfault) _M_narrow[static_cast<unsigned char>(__c)] = __t; return __t; } /** * @brief Narrow char array * * This function converts each char in the input to char using the * simplest reasonable transformation and writes the results to the * destination array. For any char in the input that cannot be * converted, @a dfault is used instead. For an underived ctype<char> * facet, the argument will be copied unchanged. * * This function works as if it returns ctype<char>::do_narrow(lo, hi, * dfault, to). do_narrow() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param dfault Char to use if conversion fails. * @param to Pointer to the destination array. * @return @a hi. */ const char_type* narrow(const char_type* __lo, const char_type* __hi, char __dfault, char *__to) const { if (__builtin_expect(_M_narrow_ok == 1, true)) { memcpy(__to, __lo, __hi - __lo); return __hi; } if (!_M_narrow_ok) _M_narrow_init(); return this->do_narrow(__lo, __hi, __dfault, __to); } protected: /// Returns a pointer to the mask table provided to the constructor, or /// the default from classic_table() if none was provided. const mask* table() const throw() { return _M_table; } /// Returns a pointer to the C locale mask table. static const mask* classic_table() throw(); /** * @brief Destructor. * * This function deletes table() if @a del was true in the * constructor. */ virtual ~ctype(); /** * @brief Convert to uppercase. * * This virtual function converts the char argument to uppercase if * possible. If not possible (for example, '2'), returns the argument. * * do_toupper() is a hook for a derived facet to change the behavior of * uppercasing. do_toupper() must always return the same result for * the same input. * * @param c The char to convert. * @return The uppercase char if convertible, else @a c. */ virtual char_type do_toupper(char_type) const; /** * @brief Convert array to uppercase. * * This virtual function converts each char in the range [lo,hi) to * uppercase if possible. Other chars remain untouched. * * do_toupper() is a hook for a derived facet to change the behavior of * uppercasing. do_toupper() must always return the same result for * the same input. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return @a hi. */ virtual const char_type* do_toupper(char_type* __lo, const char_type* __hi) const; /** * @brief Convert to lowercase. * * This virtual function converts the char argument to lowercase if * possible. If not possible (for example, '2'), returns the argument. * * do_tolower() is a hook for a derived facet to change the behavior of * lowercasing. do_tolower() must always return the same result for * the same input. * * @param c The char to convert. * @return The lowercase char if convertible, else @a c. */ virtual char_type do_tolower(char_type) const; /** * @brief Convert array to lowercase. * * This virtual function converts each char in the range [lo,hi) to * lowercase if possible. Other chars remain untouched. * * do_tolower() is a hook for a derived facet to change the behavior of * lowercasing. do_tolower() must always return the same result for * the same input. * * @param lo Pointer to first char in range. * @param hi Pointer to end of range. * @return @a hi. */ virtual const char_type* do_tolower(char_type* __lo, const char_type* __hi) const; /** * @brief Widen char * * This virtual function converts the char to char using the simplest * reasonable transformation. For an underived ctype<char> facet, the * argument will be returned unchanged. * * do_widen() is a hook for a derived facet to change the behavior of * widening. do_widen() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param c The char to convert. * @return The converted character. */ virtual char_type do_widen(char __c) const { return __c; } /** * @brief Widen char array * * This function converts each char in the range [lo,hi) to char using * the simplest reasonable transformation. For an underived * ctype<char> facet, the argument will be copied unchanged. * * do_widen() is a hook for a derived facet to change the behavior of * widening. do_widen() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param to Pointer to the destination array. * @return @a hi. */ virtual const char* do_widen(const char* __lo, const char* __hi, char_type* __dest) const { memcpy(__dest, __lo, __hi - __lo); return __hi; } /** * @brief Narrow char * * This virtual function converts the char to char using the simplest * reasonable transformation. If the conversion fails, dfault is * returned instead. For an underived ctype<char> facet, @a c will be * returned unchanged. * * do_narrow() is a hook for a derived facet to change the behavior of * narrowing. do_narrow() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param c The char to convert. * @param dfault Char to return if conversion fails. * @return The converted char. */ virtual char do_narrow(char_type __c, char) const { return __c; } /** * @brief Narrow char array to char array * * This virtual function converts each char in the range [lo,hi) to * char using the simplest reasonable transformation and writes the * results to the destination array. For any char in the input that * cannot be converted, @a dfault is used instead. For an underived * ctype<char> facet, the argument will be copied unchanged. * * do_narrow() is a hook for a derived facet to change the behavior of * narrowing. do_narrow() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param dfault Char to use if conversion fails. * @param to Pointer to the destination array. * @return @a hi. */ virtual const char_type* do_narrow(const char_type* __lo, const char_type* __hi, char, char* __dest) const { memcpy(__dest, __lo, __hi - __lo); return __hi; } private: void _M_widen_init() const { char __tmp[sizeof(_M_widen)]; for (size_t __i = 0; __i < sizeof(_M_widen); ++__i) __tmp[__i] = __i; do_widen(__tmp, __tmp + sizeof(__tmp), _M_widen); _M_widen_ok = 1; // Set _M_widen_ok to 2 if memcpy can't be used. if (memcmp(__tmp, _M_widen, sizeof(_M_widen))) _M_widen_ok = 2; } // Fill in the narrowing cache and flag whether all values are // valid or not. _M_narrow_ok is set to 2 if memcpy can't // be used. void _M_narrow_init() const { char __tmp[sizeof(_M_narrow)]; for (size_t __i = 0; __i < sizeof(_M_narrow); ++__i) __tmp[__i] = __i; do_narrow(__tmp, __tmp + sizeof(__tmp), 0, _M_narrow); _M_narrow_ok = 1; if (memcmp(__tmp, _M_narrow, sizeof(_M_narrow))) _M_narrow_ok = 2; else { // Deal with the special case of zero: renarrow with a // different default and compare. char __c; do_narrow(__tmp, __tmp + 1, 1, &__c); if (__c == 1) _M_narrow_ok = 2; } } }; template<> const ctype<char>& use_facet<ctype<char> >(const locale& __loc); #ifdef _GLIBCXX_USE_WCHAR_T // 22.2.1.3 ctype<wchar_t> specialization /** * @brief The ctype<wchar_t> specialization. * * This class defines classification and conversion functions for the * wchar_t type. It gets used by wchar_t streams for many I/O operations. * The wchar_t specialization provides a number of optimizations as well. * * ctype<wchar_t> inherits its public methods from * __ctype_abstract_base<wchar_t>. */ template<> class ctype<wchar_t> : public __ctype_abstract_base<wchar_t> { public: // Types: /// Typedef for the template parameter wchar_t. typedef wchar_t char_type; typedef wctype_t __wmask_type; protected: __c_locale _M_c_locale_ctype; // Pre-computed narrowed and widened chars. bool _M_narrow_ok; char _M_narrow[128]; wint_t _M_widen[1 + static_cast<unsigned char>(-1)]; // Pre-computed elements for do_is. mask _M_bit[16]; __wmask_type _M_wmask[16]; public: // Data Members: /// The facet id for ctype<wchar_t> 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 ctype(size_t __refs = 0); /** * @brief Constructor performs static initialization. * * This constructor is used to construct the initial C locale facet. * * @param cloc Handle to C locale data. * @param refs Passed to the base facet class. */ explicit ctype(__c_locale __cloc, size_t __refs = 0); protected: __wmask_type _M_convert_to_wmask(const mask __m) const; /// Destructor virtual ~ctype(); /** * @brief Test wchar_t classification. * * This function finds a mask M for @a c and compares it to mask @a m. * * do_is() is a hook for a derived facet to change the behavior of * classifying. do_is() must always return the same result for the * same input. * * @param c The wchar_t to find the mask of. * @param m The mask to compare against. * @return (M & m) != 0. */ virtual bool do_is(mask __m, char_type __c) const; /** * @brief Return a mask array. * * This function finds the mask for each wchar_t in the range [lo,hi) * and successively writes it to vec. vec must have as many elements * as the input. * * do_is() is a hook for a derived facet to change the behavior of * classifying. do_is() must always return the same result for the * same input. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param vec Pointer to an array of mask storage. * @return @a hi. */ virtual const char_type* do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const; /** * @brief Find wchar_t matching mask * * This function searches for and returns the first wchar_t c in * [lo,hi) for which is(m,c) is true. * * do_scan_is() is a hook for a derived facet to change the behavior of * match searching. do_is() must always return the same result for the * same input. * * @param m The mask to compare against. * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return Pointer to a matching wchar_t if found, else @a hi. */ virtual const char_type* do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const; /** * @brief Find wchar_t not matching mask * * This function searches for and returns a pointer to the first * wchar_t c of [lo,hi) for which is(m,c) is false. * * do_scan_is() is a hook for a derived facet to change the behavior of * match searching. do_is() must always return the same result for the * same input. * * @param m The mask to compare against. * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return Pointer to a non-matching wchar_t if found, else @a hi. */ virtual const char_type* do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const; /** * @brief Convert to uppercase. * * This virtual function converts the wchar_t argument to uppercase if * possible. If not possible (for example, '2'), returns the argument. * * do_toupper() is a hook for a derived facet to change the behavior of * uppercasing. do_toupper() must always return the same result for * the same input. * * @param c The wchar_t to convert. * @return The uppercase wchar_t if convertible, else @a c. */ virtual char_type do_toupper(char_type) const; /** * @brief Convert array to uppercase. * * This virtual function converts each wchar_t in the range [lo,hi) to * uppercase if possible. Other elements remain untouched. * * do_toupper() is a hook for a derived facet to change the behavior of * uppercasing. do_toupper() must always return the same result for * the same input. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return @a hi. */ virtual const char_type* do_toupper(char_type* __lo, const char_type* __hi) const; /** * @brief Convert to lowercase. * * This virtual function converts the argument to lowercase if * possible. If not possible (for example, '2'), returns the argument. * * do_tolower() is a hook for a derived facet to change the behavior of * lowercasing. do_tolower() must always return the same result for * the same input. * * @param c The wchar_t to convert. * @return The lowercase wchar_t if convertible, else @a c. */ virtual char_type do_tolower(char_type) const; /** * @brief Convert array to lowercase. * * This virtual function converts each wchar_t in the range [lo,hi) to * lowercase if possible. Other elements remain untouched. * * do_tolower() is a hook for a derived facet to change the behavior of * lowercasing. do_tolower() must always return the same result for * the same input. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @return @a hi. */ virtual const char_type* do_tolower(char_type* __lo, const char_type* __hi) const; /** * @brief Widen char to wchar_t * * This virtual function converts the char to wchar_t using the * simplest reasonable transformation. For an underived ctype<wchar_t> * facet, the argument will be cast to wchar_t. * * do_widen() is a hook for a derived facet to change the behavior of * widening. do_widen() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param c The char to convert. * @return The converted wchar_t. */ virtual char_type do_widen(char) const; /** * @brief Widen char array to wchar_t array * * This function converts each char in the input to wchar_t using the * simplest reasonable transformation. For an underived ctype<wchar_t> * facet, the argument will be copied, casting each element to wchar_t. * * do_widen() is a hook for a derived facet to change the behavior of * widening. do_widen() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param lo Pointer to start range. * @param hi Pointer to end of range. * @param to Pointer to the destination array. * @return @a hi. */ virtual const char* do_widen(const char* __lo, const char* __hi, char_type* __dest) const; /** * @brief Narrow wchar_t to char * * This virtual function converts the argument to char using * the simplest reasonable transformation. If the conversion * fails, dfault is returned instead. For an underived * ctype<wchar_t> facet, @a c will be cast to char and * returned. * * do_narrow() is a hook for a derived facet to change the * behavior of narrowing. do_narrow() must always return the * same result for the same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param c The wchar_t to convert. * @param dfault Char to return if conversion fails. * @return The converted char. */ virtual char do_narrow(char_type, char __dfault) const; /** * @brief Narrow wchar_t array to char array * * This virtual function converts each wchar_t in the range [lo,hi) to * char using the simplest reasonable transformation and writes the * results to the destination array. For any wchar_t in the input that * cannot be converted, @a dfault is used instead. For an underived * ctype<wchar_t> facet, the argument will be copied, casting each * element to char. * * do_narrow() is a hook for a derived facet to change the behavior of * narrowing. do_narrow() must always return the same result for the * same input. * * Note: this is not what you want for codepage conversions. See * codecvt for that. * * @param lo Pointer to start of range. * @param hi Pointer to end of range. * @param dfault Char to use if conversion fails. * @param to Pointer to the destination array. * @return @a hi. */ virtual const char_type* do_narrow(const char_type* __lo, const char_type* __hi, char __dfault, char* __dest) const; // For use at construction time only. void _M_initialize_ctype(); }; template<> const ctype<wchar_t>& use_facet<ctype<wchar_t> >(const locale& __loc); #endif //_GLIBCXX_USE_WCHAR_T // Include host and configuration specific ctype inlines. #include <bits/ctype_inline.h> /// @brief class ctype_byname [22.2.1.2]. template<typename _CharT> class ctype_byname : public ctype<_CharT> { public: typedef _CharT char_type; explicit ctype_byname(const char* __s, size_t __refs = 0); protected: virtual ~ctype_byname() { }; }; /// 22.2.1.4 Class ctype_byname specializations. template<> ctype_byname<char>::ctype_byname(const char*, size_t refs); template<> ctype_byname<wchar_t>::ctype_byname(const char*, size_t refs); // 22.2.1.5 Template class codecvt #include <bits/codecvt.h> // 22.2.2 The numeric category. class __num_base { public: // NB: Code depends on the order of _S_atoms_out elements. // Below are the indices into _S_atoms_out. enum { _S_ominus, _S_oplus, _S_ox, _S_oX, _S_odigits, _S_odigits_end = _S_odigits + 16, _S_oudigits = _S_odigits_end, _S_oudigits_end = _S_oudigits + 16, _S_oe = _S_odigits + 14, // For scientific notation, 'e' _S_oE = _S_oudigits + 14, // For scientific notation, 'E' _S_oend = _S_oudigits_end }; // A list of valid numeric literals for output. This array // contains chars that will be passed through the current locale's // ctype<_CharT>.widen() and then used to render numbers. // For the standard "C" locale, this is // "-+xX0123456789abcdef0123456789ABCDEF". static const char* _S_atoms_out; // String literal of acceptable (narrow) input, for num_get. // "-+xX0123456789abcdefABCDEF" static const char* _S_atoms_in; enum { _S_iminus, _S_iplus, _S_ix, _S_iX, _S_izero, _S_ie = _S_izero + 14, _S_iE = _S_izero + 20, _S_iend = 26 }; // num_put // Construct and return valid scanf format for floating point types. static void _S_format_float(const ios_base& __io, char* __fptr, char __mod); }; template<typename _CharT> struct __numpunct_cache : public locale::facet { const char* _M_grouping; size_t _M_grouping_size; bool _M_use_grouping; const _CharT* _M_truename; size_t _M_truename_size; const _CharT* _M_falsename; size_t _M_falsename_size; _CharT _M_decimal_point; _CharT _M_thousands_sep; // A list of valid numeric literals for output: in the standard // "C" locale, this is "-+xX0123456789abcdef0123456789ABCDEF". // This array contains the chars after having been passed // through the current locale's ctype<_CharT>.widen(). _CharT _M_atoms_out[__num_base::_S_oend]; // A list of valid numeric literals for input: in the standard // "C" locale, this is "-+xX0123456789abcdefABCDEF" // This array contains the chars after having been passed // through the current locale's ctype<_CharT>.widen(). _CharT _M_atoms_in[__num_base::_S_iend]; bool _M_allocated; __numpunct_cache(size_t __refs = 0) : facet(__refs), _M_grouping(NULL), _M_grouping_size(0), _M_use_grouping(false), _M_truename(NULL), _M_truename_size(0), _M_falsename(NULL), _M_falsename_size(0), _M_decimal_point(_CharT()), _M_thousands_sep(_CharT()), _M_allocated(false) { } ~__numpunct_cache(); void _M_cache(const locale& __loc); private: __numpunct_cache& operator=(const __numpunct_cache&); explicit __numpunct_cache(const __numpunct_cache&); }; template<typename _CharT> __numpunct_cache<_CharT>::~__numpunct_cache() { if (_M_allocated) { delete [] _M_grouping; delete [] _M_truename; delete [] _M_falsename; } } /** * @brief Numpunct facet. * * This facet stores several pieces of information related to printing and * scanning numbers, such as the decimal point character. It takes a * template parameter specifying the char type. The numpunct facet is * used by streams for many I/O operations involving numbers. * * The numpunct 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 a numpunct facet. */ template<typename _CharT> class numpunct : public locale::facet { public: // Types: //@{ /// Public typedefs typedef _CharT char_type; typedef basic_string<_CharT> string_type; //@} typedef __numpunct_cache<_CharT> __cache_type; protected: __cache_type* _M_data; public: /// Numpunct facet id. static locale::id id; /** * @brief Numpunct constructor. * * @param refs Refcount to pass to the base class. */ explicit numpunct(size_t __refs = 0) : facet(__refs), _M_data(NULL) { _M_initialize_numpunct(); } /** * @brief Internal constructor. Not for general use. * * This is a constructor for use by the library itself to set up the * predefined locale facets. * * @param cache __numpunct_cache object. * @param refs Refcount to pass to the base class. */ explicit numpunct(__cache_type* __cache, size_t __refs = 0) : facet(__refs), _M_data(__cache) { _M_initialize_numpunct(); } /** * @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 refs Refcount to pass to the base class. */ explicit numpunct(__c_locale __cloc, size_t __refs = 0) : facet(__refs), _M_data(NULL) { _M_initialize_numpunct(__cloc); } /** * @brief Return decimal point character. * * This function returns a char_type to use as a decimal point. It * does so by returning returning * numpunct<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 * numpunct<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 a number. Groupings indicate where thousands * separators should be inserted in the integer part of a number. * * 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 * numpunct<char_type>::do_grouping(). * * @return string representing grouping specification. */ string grouping() const { return this->do_grouping(); } /** * @brief Return string representation of bool true. * * This function returns a string_type containing the text * representation for true bool variables. It does so by calling * numpunct<char_type>::do_truename(). * * @return string_type representing printed form of true. */ string_type truename() const { return this->do_truename(); } /** * @brief Return string representation of bool false. * * This function returns a string_type containing the text * representation for false bool variables. It does so by calling * numpunct<char_type>::do_falsename(). * * @return string_type representing printed form of false. */ string_type falsename() const { return this->do_falsename(); } protected: /// Destructor. virtual ~numpunct(); /** * @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 string representation of bool true. * * Returns a string_type containing the text representation for true * bool variables. This function is a hook for derived classes to * change the value returned. * * @return string_type representing printed form of true. */ virtual string_type do_truename() const { return _M_data->_M_truename; } /** * @brief Return string representation of bool false. * * Returns a string_type containing the text representation for false * bool variables. This function is a hook for derived classes to * change the value returned. * * @return string_type representing printed form of false. */ virtual string_type do_falsename() const { return _M_data->_M_falsename; } // For use at construction time only. void _M_initialize_numpunct(__c_locale __cloc = NULL); }; template<typename _CharT> locale::id numpunct<_CharT>::id; template<> numpunct<char>::~numpunct(); template<> void numpunct<char>::_M_initialize_numpunct(__c_locale __cloc); #ifdef _GLIBCXX_USE_WCHAR_T template<> numpunct<wchar_t>::~numpunct(); template<> void numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc); #endif /// @brief class numpunct_byname [22.2.3.2]. template<typename _CharT> class numpunct_byname : public numpunct<_CharT> { public: typedef _CharT char_type; typedef basic_string<_CharT> string_type; explicit numpunct_byname(const char* __s, size_t __refs = 0) : numpunct<_CharT>(__refs) { if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0) { __c_locale __tmp; this->_S_create_c_locale(__tmp, __s); this->_M_initialize_numpunct(__tmp); this->_S_destroy_c_locale(__tmp); } } protected: virtual ~numpunct_byname() { } }; /** * @brief Facet for parsing number strings. * * This facet encapsulates the code to parse and return a number * from a string. It is used by the istream numeric extraction * operators. * * The num_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 num_get facet. */ template<typename _CharT, typename _InIter> class num_get : public locale::facet { public: // Types: //@{ /// Public typedefs typedef _CharT char_type; typedef _InIter iter_type; //@} /// Numpunct facet id. static locale::id id; /** * @brief Constructor performs initialization. * * This is the constructor provided by the standard. * * @param refs Passed to the base facet class. */ explicit num_get(size_t __refs = 0) : facet(__refs) { } /** * @brief Numeric parsing. * * Parses the input stream into the bool @a v. It does so by calling * num_put::do_put(). * * If ios_base::boolalpha is set, attempts to read * ctype<CharT>::truename() or ctype<CharT>::falsename(). Sets * @a v to true or false if successful. Sets err to * ios_base::failbit if reading the string fails. Sets err to * ios_base::eofbit if the stream is emptied. * * If ios_base::boolalpha is not set, proceeds as with reading a long, * except if the value is 1, sets @a v to true, if the value is 0, sets * @a v to false, and otherwise set err to ios_base::failbit. * * @param in Start of input stream. * @param end End of input stream. * @param io Source of locale and flags. * @param err Error flags to set. * @param v Value to format and insert. * @return Iterator after reading. */ iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, bool& __v) const { return this->do_get(__in, __end, __io, __err, __v); } //@{ /** * @brief Numeric parsing. * * Parses the input stream into the integral variable @a v. It does so * by calling num_put::do_put(). * * Parsing is affected by the flag settings in @a io. * * The basic parse is affected by the value of io.flags() & * ios_base::basefield. If equal to ios_base::oct, parses like the * scanf %o specifier. Else if equal to ios_base::hex, parses like %X * specifier. Else if basefield equal to 0, parses like the %i * specifier. Otherwise, parses like %d for signed and %u for unsigned * types. The matching type length modifier is also used. * * Digit grouping is intrepreted according to numpunct::grouping() and * numpunct::thousands_sep(). If the pattern of digit groups isn't * consistent, sets err to ios_base::failbit. * * If parsing the string yields a valid value for @a v, @a v is set. * Otherwise, sets err to ios_base::failbit and leaves @a v unaltered. * Sets err to ios_base::eofbit if the stream is emptied. * * @param in Start of input stream. * @param end End of input stream. * @param io Source of locale and flags. * @param err Error flags to set. * @param v Value to format and insert. * @return Iterator after reading. */ iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, long& __v) const { return this->do_get(__in, __end, __io, __err, __v); } iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, unsigned short& __v) const { return this->do_get(__in, __end, __io, __err, __v); } iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, unsigned int& __v) const { return this->do_get(__in, __end, __io, __err, __v); } iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, unsigned long& __v) const { return this->do_get(__in, __end, __io, __err, __v); } #ifdef _GLIBCXX_USE_LONG_LONG iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, long long& __v) const { return this->do_get(__in, __end, __io, __err, __v); } iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, unsigned long long& __v) const { return this->do_get(__in, __end, __io, __err, __v); } #endif //@} //@{ /** * @brief Numeric parsing. * * Parses the input stream into the integral variable @a v. It does so * by calling num_put::do_put(). * * The input characters are parsed like the scanf %g specifier. The * matching type length modifier is also used. * * The decimal point character used is numpunct::decimal_point(). * Digit grouping is intrepreted according to numpunct::grouping() and * numpunct::thousands_sep(). If the pattern of digit groups isn't * consistent, sets err to ios_base::failbit. * * If parsing the string yields a valid value for @a v, @a v is set. * Otherwise, sets err to ios_base::failbit and leaves @a v unaltered. * Sets err to ios_base::eofbit if the stream is emptied. * * @param in Start of input stream. * @param end End of input stream. * @param io Source of locale and flags. * @param err Error flags to set. * @param v Value to format and insert. * @return Iterator after reading. */ iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, float& __v) const { return this->do_get(__in, __end, __io, __err, __v); } iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, double& __v) const { return this->do_get(__in, __end, __io, __err, __v); } iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, long double& __v) const { return this->do_get(__in, __end, __io, __err, __v); } //@} /** * @brief Numeric parsing. * * Parses the input stream into the pointer variable @a v. It does so * by calling num_put::do_put(). * * The input characters are parsed like the scanf %p specifier. * * Digit grouping is intrepreted according to numpunct::grouping() and * numpunct::thousands_sep(). If the pattern of digit groups isn't * consistent, sets err to ios_base::failbit. * * Note that the digit grouping effect for pointers is a bit ambiguous * in the standard and shouldn't be relied on. See DR 344. * * If parsing the string yields a valid value for @a v, @a v is set. * Otherwise, sets err to ios_base::failbit and leaves @a v unaltered. * Sets err to ios_base::eofbit if the stream is emptied. * * @param in Start of input stream. * @param end End of input stream. * @param io Source of locale and flags. * @param err Error flags to set. * @param v Value to format and insert. * @return Iterator after reading. */ iter_type get(iter_type __in, iter_type __end, ios_base& __io, ios_base::iostate& __err, void*& __v) const { return this->do_get(__in, __end, __io, __err, __v); } protected: /// Destructor. virtual ~num_get() { } iter_type _M_extract_float(iter_type, iter_type, ios_base&, ios_base::iostate&, string& __xtrc) const; template<typename _ValueT> iter_type _M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&, _ValueT& __v) const; //@{ /** * @brief Numeric parsing. * * Parses the input stream into the variable @a v. This function is a * hook for derived classes to change the value returned. @see get() * for more details. * * @param in Start of input stream. * @param end End of input stream. * @param io Source of locale and flags. * @param err Error flags to set. * @param v Value to format and insert. * @return Iterator after reading. */ virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const; virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, long&) const; virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, unsigned short&) const; virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, unsigned int&) const; virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, unsigned long&) const; #ifdef _GLIBCXX_USE_LONG_LONG virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, long long&) const; virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, unsigned long long&) const; #endif virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, float&) const; virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, double&) const; virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, long double&) const; virtual iter_type do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, void*&) const; //@} }; template<typename _CharT, typename _InIter> locale::id num_get<_CharT, _InIter>::id; /** * @brief Facet for converting numbers to strings. * * This facet encapsulates the code to convert a number to a string. It is * used by the ostream numeric insertion operators. * * The num_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 num_put facet. */ template<typename _CharT, typename _OutIter> class num_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 num_put(size_t __refs = 0) : facet(__refs) { } /** * @brief Numeric formatting. * * Formats the boolean @a v and inserts it into a stream. It does so * by calling num_put::do_put(). * * If ios_base::boolalpha is set, writes ctype<CharT>::truename() or * ctype<CharT>::falsename(). Otherwise formats @a v as an int. * * @param s Stream to write to. * @param io Source of locale and flags. * @param fill Char_type to use for filling. * @param v Value to format and insert. * @return Iterator after writing. */ iter_type put(iter_type __s, ios_base& __f, char_type __fill, bool __v) const { return this->do_put(__s, __f, __fill, __v); } //@{ /** * @brief Numeric formatting. * * Formats the integral value @a v and inserts it into a * stream. It does so by calling num_put::do_put(). * * Formatting is affected by the flag settings in @a io. * * The basic format is affected by the value of io.flags() & * ios_base::basefield. If equal to ios_base::oct, formats like the * printf %o specifier. Else if equal to ios_base::hex, formats like * %x or %X with ios_base::uppercase unset or set respectively. * Otherwise, formats like %d, %ld, %lld for signed and %u, %lu, %llu * for unsigned values. Note that if both oct and hex are set, neither * will take effect. * * If ios_base::showpos is set, '+' is output before positive values. * If ios_base::showbase is set, '0' precedes octal values (except 0) * and '0[xX]' precedes hex values. * * Thousands separators are inserted according to numpunct::grouping() * and numpunct::thousands_sep(). The decimal point character used is * numpunct::decimal_point(). * * If io.width() is non-zero, enough @a fill characters are inserted to * make the result at least that wide. If * (io.flags() & ios_base::adjustfield) == ios_base::left, result is * padded at the end. If ios_base::internal, then padding occurs * immediately after either a '+' or '-' or after '0x' or '0X'. * Otherwise, padding occurs at the beginning. * * @param s Stream to write to. * @param io Source of locale and flags. * @param fill Char_type to use for filling. * @param v Value to format and insert. * @return Iterator after writing. */ iter_type put(iter_type __s, ios_base& __f, char_type __fill, long __v) const { return this->do_put(__s, __f, __fill, __v); } iter_type put(iter_type __s, ios_base& __f, char_type __fill, unsigned long __v) const { return this->do_put(__s, __f, __fill, __v); } #ifdef _GLIBCXX_USE_LONG_LONG iter_type put(iter_type __s, ios_base& __f, char_type __fill, long long __v) const { return this->do_put(__s, __f, __fill, __v); } iter_type put(iter_type __s, ios_base& __f, char_type __fill, unsigned long long __v) const { return this->do_put(__s, __f, __fill, __v); } #endif //@} //@{ /** * @brief Numeric formatting. * * Formats the floating point value @a v and inserts it into a stream. * It does so by calling num_put::do_put(). * * Formatting is affected by the flag settings in @a io. * * The basic format is affected by the value of io.flags() & * ios_base::floatfield. If equal to ios_base::fixed, formats like the * printf %f specifier. Else if equal to ios_base::scientific, formats * like %e or %E with ios_base::uppercase unset or set respectively. * Otherwise, formats like %g or %G depending on uppercase. Note that * if both fixed and scientific are set, the effect will also be like * %g or %G. * * The output precision is given by io.precision(). This precision is * capped at numeric_limits::digits10 + 2 (different for double and * long double). The default precision is 6. * * If ios_base::showpos is set, '+' is output before positive values. * If ios_base::showpoint is set, a decimal point will always be * output. * * Thousands separators are inserted according to numpunct::grouping() * and numpunct::thousands_sep(). The decimal point character used is * numpunct::decimal_point(). * * If io.width() is non-zero, enough @a fill characters are inserted to * make the result at least that wide. If * (io.flags() & ios_base::adjustfield) == ios_base::left, result is * padded at the end. If ios_base::internal, then padding occurs * immediately after either a '+' or '-' or after '0x' or '0X'. * Otherwise, padding occurs at the beginning. * * @param s Stream to write to. * @param io Source of locale and flags. * @param fill Char_type to use for filling. * @param v Value to format and insert. * @return Iterator after writing. */ iter_type put(iter_type __s, ios_base& __f, char_type __fill, double __v) const { return this->do_put(__s, __f, __fill, __v); } iter_type put(iter_type __s, ios_base& __f, char_type __fill, long double __v) const { return this->do_put(__s, __f, __fill, __v); } //@} /** * @brief Numeric formatting. * * Formats the pointer value @a v and inserts it into a stream. It * does so by calling num_put::do_put(). * * This function formats @a v as an unsigned long with ios_base::hex * and ios_base::showbase set. * * @param s Stream to write to. * @param io Source of locale and flags. * @param fill Char_type to use for filling. * @param v Value to format and insert. * @return Iterator after writing. */ iter_type put(iter_type __s, ios_base& __f, char_type __fill, const void* __v) const { return this->do_put(__s, __f, __fill, __v); } protected: template<typename _ValueT> iter_type _M_insert_float(iter_type, ios_base& __io, char_type __fill, char __mod, _ValueT __v) const; void _M_group_float(const char* __grouping, size_t __grouping_size, char_type __sep, const char_type* __p, char_type* __new, char_type* __cs, int& __len) const; template<typename _ValueT> iter_type _M_insert_int(iter_type, ios_base& __io, char_type __fill, _ValueT __v) const; void _M_group_int(const char* __grouping, size_t __grouping_size, char_type __sep, ios_base& __io, char_type* __new, char_type* __cs, int& __len) const; void _M_pad(char_type __fill, streamsize __w, ios_base& __io, char_type* __new, const char_type* __cs, int& __len) const; /// Destructor. virtual ~num_put() { }; //@{ /** * @brief Numeric formatting. * * These functions do the work of formatting numeric values and * inserting them into a stream. This function is a hook for derived * classes to change the value returned. * * @param s Stream to write to. * @param io Source of locale and flags. * @param fill Char_type to use for filling. * @param v Value to format and insert. * @return Iterator after writing. */ virtual iter_type do_put(iter_type, ios_base&, char_type __fill, bool __v) const; virtual iter_type do_put(iter_type, ios_base&, char_type __fill, long __v) const; virtual iter_type do_put(iter_type, ios_base&, char_type __fill, unsigned long) const; #ifdef _GLIBCXX_USE_LONG_LONG virtual iter_type do_put(iter_type, ios_base&, char_type __fill, long long __v) const; virtual iter_type do_put(iter_type, ios_base&, char_type __fill, unsigned long long) const; #endif virtual iter_type do_put(iter_type, ios_base&, char_type __fill, double __v) const; virtual iter_type do_put(iter_type, ios_base&, char_type __fill, long double __v) const; virtual iter_type do_put(iter_type, ios_base&, char_type __fill, const void* __v) const; //@} }; template <typename _CharT, typename _OutIter> locale::id num_put<_CharT, _OutIter>::id; /** * @brief Facet for localized string comparison. * * This facet encapsulates the code to compare strings in a localized * manner. * * The collate 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 * collate facet. */ template<typename _CharT> class collate : public locale::facet { 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 collate_byname as well. __c_locale _M_c_locale_collate; 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 collate(size_t __refs = 0) : facet(__refs), _M_c_locale_collate(_S_get_c_locale()) { } /** * @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 refs Passed to the base facet class. */ explicit collate(__c_locale __cloc, size_t __refs = 0) : facet(__refs), _M_c_locale_collate(_S_clone_c_locale(__cloc)) { } /** * @brief Compare two strings. * * This function compares two strings and returns the result by calling * collate::do_compare(). * * @param lo1 Start of string 1. * @param hi1 End of string 1. * @param lo2 Start of string 2. * @param hi2 End of string 2. * @return 1 if string1 > string2, -1 if string1 < string2, else 0. */ int compare(const _CharT* __lo1, const _CharT* __hi1, const _CharT* __lo2, const _CharT* __hi2) const { return this->do_compare(__lo1, __hi1, __lo2, __hi2); } /** * @brief Transform string to comparable form. * * This function is a wrapper for strxfrm functionality. It takes the * input string and returns a modified string that can be directly * compared to other transformed strings. In the "C" locale, this * function just returns a copy of the input string. In some other * locales, it may replace two chars with one, change a char for * another, etc. It does so by returning collate::do_transform(). * * @param lo Start of string. * @param hi End of string. * @return Transformed string_type. */ string_type transform(const _CharT* __lo, const _CharT* __hi) const { return this->do_transform(__lo, __hi); } /** * @brief Return hash of a string. * * This function computes and returns a hash on the input string. It * does so by returning collate::do_hash(). * * @param lo Start of string. * @param hi End of string. * @return Hash value. */ long hash(const _CharT* __lo, const _CharT* __hi) const { return this->do_hash(__lo, __hi); } // Used to abstract out _CharT bits in virtual member functions, below. int _M_compare(const _CharT*, const _CharT*) const; size_t _M_transform(_CharT*, const _CharT*, size_t) const; protected: /// Destructor. virtual ~collate() { _S_destroy_c_locale(_M_c_locale_collate); } /** * @brief Compare two strings. * * This function is a hook for derived classes to change the value * returned. @see compare(). * * @param lo1 Start of string 1. * @param hi1 End of string 1. * @param lo2 Start of string 2. * @param hi2 End of string 2. * @return 1 if string1 > string2, -1 if string1 < string2, else 0. */ virtual int do_compare(const _CharT* __lo1, const _CharT* __hi1, const _CharT* __lo2, const _CharT* __hi2) const; /** * @brief Transform string to comparable form. * * This function is a hook for derived classes to change the value * returned. * * @param lo1 Start of string 1. * @param hi1 End of string 1. * @param lo2 Start of string 2. * @param hi2 End of string 2. * @return 1 if string1 > string2, -1 if string1 < string2, else 0. */ virtual string_type do_transform(const _CharT* __lo, const _CharT* __hi) const; /** * @brief Return hash of a string. * * This function computes and returns a hash on the input string. This * function is a hook for derived classes to change the value returned. * * @param lo Start of string. * @param hi End of string. * @return Hash value. */ virtual long do_hash(const _CharT* __lo, const _CharT* __hi) const; }; template<typename _CharT> locale::id collate<_CharT>::id; // Specializations. template<> int collate<char>::_M_compare(const char*, const char*) const; template<> size_t collate<char>::_M_transform(char*, const char*, size_t) const; #ifdef _GLIBCXX_USE_WCHAR_T template<> int collate<wchar_t>::_M_compare(const wchar_t*, const wchar_t*) const; template<> size_t collate<wchar_t>::_M_transform(wchar_t*, const wchar_t*, size_t) const; #endif /// @brief class collate_byname [22.2.4.2]. template<typename _CharT> class collate_byname : public collate<_CharT> { public: //@{ /// Public typedefs typedef _CharT char_type; typedef basic_string<_CharT> string_type; //@} explicit collate_byname(const char* __s, size_t __refs = 0) : collate<_CharT>(__refs) { if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0) { this->_S_destroy_c_locale(this->_M_c_locale_collate); this->_S_create_c_locale(this->_M_c_locale_collate, __s); } } protected: virtual ~collate_byname() { } }; /** * @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 // Include host and configuration specific timepunct functions. #include <bits/time_members.h> /** * @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; /// @brief 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; /// @brief 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 /// @brief 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 (std::strcmp(__s, "C") != 0 && std::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; /** * @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. */ virtual iter_type do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, ios_base::iostate& __err, long double& __units) const; /** * @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; 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. */ virtual iter_type do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, long double __units) const; /** * @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; 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; /** * @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 /// @brief 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() { } }; // Include host and configuration specific messages functions. #include <bits/messages_members.h> // Subclause convenience interfaces, inlines. // NB: These are inline because, when used in a loop, some compilers // can hoist the body out of the loop; then it's just as fast as the // C is*() function. /// Convenience interface to ctype.is(ctype_base::space, __c). template<typename _CharT> inline bool isspace(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c); } /// Convenience interface to ctype.is(ctype_base::print, __c). template<typename _CharT> inline bool isprint(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c); } /// Convenience interface to ctype.is(ctype_base::cntrl, __c). template<typename _CharT> inline bool iscntrl(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c); } /// Convenience interface to ctype.is(ctype_base::upper, __c). template<typename _CharT> inline bool isupper(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c); } /// Convenience interface to ctype.is(ctype_base::lower, __c). template<typename _CharT> inline bool islower(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c); } /// Convenience interface to ctype.is(ctype_base::alpha, __c). template<typename _CharT> inline bool isalpha(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c); } /// Convenience interface to ctype.is(ctype_base::digit, __c). template<typename _CharT> inline bool isdigit(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c); } /// Convenience interface to ctype.is(ctype_base::punct, __c). template<typename _CharT> inline bool ispunct(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c); } /// Convenience interface to ctype.is(ctype_base::xdigit, __c). template<typename _CharT> inline bool isxdigit(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c); } /// Convenience interface to ctype.is(ctype_base::alnum, __c). template<typename _CharT> inline bool isalnum(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c); } /// Convenience interface to ctype.is(ctype_base::graph, __c). template<typename _CharT> inline bool isgraph(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c); } /// Convenience interface to ctype.toupper(__c). template<typename _CharT> inline _CharT toupper(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).toupper(__c); } /// Convenience interface to ctype.tolower(__c). template<typename _CharT> inline _CharT tolower(_CharT __c, const locale& __loc) { return use_facet<ctype<_CharT> >(__loc).tolower(__c); } } // namespace std #endif