Index: gcc/libstdc++-v3/include/bits/locale_facets.h |
diff --git a/gcc/libstdc++-v3/include/bits/locale_facets.h b/gcc/libstdc++-v3/include/bits/locale_facets.h |
deleted file mode 100644 |
index beed6f1c249b68be27e518d379755efd34a3c54f..0000000000000000000000000000000000000000 |
--- a/gcc/libstdc++-v3/include/bits/locale_facets.h |
+++ /dev/null |
@@ -1,2602 +0,0 @@ |
-// Locale support -*- C++ -*- |
- |
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
-// 2006, 2007, 2008, 2009 |
-// Free Software Foundation, Inc. |
-// |
-// This file is part of the GNU ISO C++ Library. This library is free |
-// software; you can redistribute it and/or modify it under the |
-// terms of the GNU General Public License as published by the |
-// Free Software Foundation; either version 3, or (at your option) |
-// any later version. |
- |
-// This library is distributed in the hope that it will be useful, |
-// but WITHOUT ANY WARRANTY; without even the implied warranty of |
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
-// GNU General Public License for more details. |
- |
-// Under Section 7 of GPL version 3, you are granted additional |
-// permissions described in the GCC Runtime Library Exception, version |
-// 3.1, as published by the Free Software Foundation. |
- |
-// You should have received a copy of the GNU General Public License and |
-// a copy of the GCC Runtime Library Exception along with this program; |
-// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
-// <http://www.gnu.org/licenses/>. |
- |
-/** @file locale_facets.h |
- * This is an internal header file, included by other library headers. |
- * You should not attempt to use it directly. |
- */ |
- |
-// |
-// ISO C++ 14882: 22.1 Locales |
-// |
- |
-#ifndef _LOCALE_FACETS_H |
-#define _LOCALE_FACETS_H 1 |
- |
-#pragma GCC system_header |
- |
-#include <cwctype> // For wctype_t |
-#include <cctype> |
-#include <bits/ctype_base.h> |
-#include <iosfwd> |
-#include <bits/ios_base.h> // For ios_base, ios_base::iostate |
-#include <streambuf> |
-#include <bits/cpp_type_traits.h> |
-#include <ext/type_traits.h> |
-#include <ext/numeric_traits.h> |
-#include <bits/streambuf_iterator.h> |
- |
-_GLIBCXX_BEGIN_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, streamsize __newlen, streamsize __oldlen); |
- }; |
- |
- // 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 __gsize != 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. |
- |
- // 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 abstract 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) |
- { |
- __builtin_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)) |
- { |
- __builtin_memcpy(__to, __lo, __hi - __lo); |
- return __hi; |
- } |
- if (!_M_narrow_ok) |
- _M_narrow_init(); |
- return this->do_narrow(__lo, __hi, __dfault, __to); |
- } |
- |
- // _GLIBCXX_RESOLVE_LIB_DEFECTS |
- // DR 695. ctype<char>::classic_table() not accessible. |
- /// 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(); |
- protected: |
- |
- /** |
- * @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 |
- { |
- __builtin_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 |
- { |
- __builtin_memcpy(__dest, __lo, __hi - __lo); |
- return __hi; |
- } |
- |
- private: |
- void _M_narrow_init() const; |
- void _M_widen_init() const; |
- }; |
- |
-#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(); |
- }; |
-#endif //_GLIBCXX_USE_WCHAR_T |
- |
- /// class ctype_byname [22.2.1.2]. |
- template<typename _CharT> |
- class ctype_byname : public ctype<_CharT> |
- { |
- public: |
- typedef typename ctype<_CharT>::mask mask; |
- |
- explicit |
- ctype_byname(const char* __s, size_t __refs = 0); |
- |
- protected: |
- virtual |
- ~ctype_byname() { }; |
- }; |
- |
- /// 22.2.1.4 Class ctype_byname specializations. |
- template<> |
- class ctype_byname<char> : public ctype<char> |
- { |
- public: |
- explicit |
- ctype_byname(const char* __s, size_t __refs = 0); |
- |
- protected: |
- virtual |
- ~ctype_byname(); |
- }; |
- |
-#ifdef _GLIBCXX_USE_WCHAR_T |
- template<> |
- class ctype_byname<wchar_t> : public ctype<wchar_t> |
- { |
- public: |
- explicit |
- ctype_byname(const char* __s, size_t __refs = 0); |
- |
- protected: |
- virtual |
- ~ctype_byname(); |
- }; |
-#endif |
- |
-_GLIBCXX_END_NAMESPACE |
- |
-// Include host and configuration specific ctype inlines. |
-#include <bits/ctype_inline.h> |
- |
-_GLIBCXX_BEGIN_NAMESPACE(std) |
- |
- // 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 |
- |
- /// 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 (__builtin_strcmp(__s, "C") != 0 |
- && __builtin_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() { } |
- }; |
- |
-_GLIBCXX_BEGIN_LDBL_NAMESPACE |
- |
- /** |
- * @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_get::do_get(). |
- * |
- * 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_get::do_get(). |
- * |
- * 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 interpreted 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_get::do_get(). |
- * |
- * 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 interpreted 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_get::do_get(). |
- * |
- * The input characters are parsed like the scanf %p specifier. |
- * |
- * Digit grouping is interpreted 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&) const; |
- |
- template<typename _ValueT> |
- iter_type |
- _M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&, |
- _ValueT&) const; |
- |
- template<typename _CharT2> |
- typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value, int>::__type |
- _M_find(const _CharT2*, size_t __len, _CharT2 __c) const |
- { |
- int __ret = -1; |
- if (__len <= 10) |
- { |
- if (__c >= _CharT2('0') && __c < _CharT2(_CharT2('0') + __len)) |
- __ret = __c - _CharT2('0'); |
- } |
- else |
- { |
- if (__c >= _CharT2('0') && __c <= _CharT2('9')) |
- __ret = __c - _CharT2('0'); |
- else if (__c >= _CharT2('a') && __c <= _CharT2('f')) |
- __ret = 10 + (__c - _CharT2('a')); |
- else if (__c >= _CharT2('A') && __c <= _CharT2('F')) |
- __ret = 10 + (__c - _CharT2('A')); |
- } |
- return __ret; |
- } |
- |
- template<typename _CharT2> |
- typename __gnu_cxx::__enable_if<!__is_char<_CharT2>::__value, |
- int>::__type |
- _M_find(const _CharT2* __zero, size_t __len, _CharT2 __c) const |
- { |
- int __ret = -1; |
- const char_type* __q = char_traits<_CharT2>::find(__zero, __len, __c); |
- if (__q) |
- { |
- __ret = __q - __zero; |
- if (__ret > 15) |
- __ret -= 6; |
- } |
- return __ret; |
- } |
- |
- //@{ |
- /** |
- * @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 __beg, iter_type __end, ios_base& __io, |
- ios_base::iostate& __err, long& __v) const |
- { return _M_extract_int(__beg, __end, __io, __err, __v); } |
- |
- virtual iter_type |
- do_get(iter_type __beg, iter_type __end, ios_base& __io, |
- ios_base::iostate& __err, unsigned short& __v) const |
- { return _M_extract_int(__beg, __end, __io, __err, __v); } |
- |
- virtual iter_type |
- do_get(iter_type __beg, iter_type __end, ios_base& __io, |
- ios_base::iostate& __err, unsigned int& __v) const |
- { return _M_extract_int(__beg, __end, __io, __err, __v); } |
- |
- virtual iter_type |
- do_get(iter_type __beg, iter_type __end, ios_base& __io, |
- ios_base::iostate& __err, unsigned long& __v) const |
- { return _M_extract_int(__beg, __end, __io, __err, __v); } |
- |
-#ifdef _GLIBCXX_USE_LONG_LONG |
- virtual iter_type |
- do_get(iter_type __beg, iter_type __end, ios_base& __io, |
- ios_base::iostate& __err, long long& __v) const |
- { return _M_extract_int(__beg, __end, __io, __err, __v); } |
- |
- virtual iter_type |
- do_get(iter_type __beg, iter_type __end, ios_base& __io, |
- ios_base::iostate& __err, unsigned long long& __v) const |
- { return _M_extract_int(__beg, __end, __io, __err, __v); } |
-#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; |
- |
- // XXX GLIBCXX_ABI Deprecated |
-#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ |
- virtual iter_type |
- __do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, |
- double&) const; |
-#else |
- virtual iter_type |
- do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, |
- long double&) const; |
-#endif |
- |
- virtual iter_type |
- do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, |
- void*&) const; |
- |
- // XXX GLIBCXX_ABI Deprecated |
-#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ |
- virtual iter_type |
- do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, |
- long double&) const; |
-#endif |
- //@} |
- }; |
- |
- 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 __s, ios_base& __io, char_type __fill, long __v) const |
- { return _M_insert_int(__s, __io, __fill, __v); } |
- |
- virtual iter_type |
- do_put(iter_type __s, ios_base& __io, char_type __fill, |
- unsigned long __v) const |
- { return _M_insert_int(__s, __io, __fill, __v); } |
- |
-#ifdef _GLIBCXX_USE_LONG_LONG |
- virtual iter_type |
- do_put(iter_type __s, ios_base& __io, char_type __fill, |
- long long __v) const |
- { return _M_insert_int(__s, __io, __fill, __v); } |
- |
- virtual iter_type |
- do_put(iter_type __s, ios_base& __io, char_type __fill, |
- unsigned long long __v) const |
- { return _M_insert_int(__s, __io, __fill, __v); } |
-#endif |
- |
- virtual iter_type |
- do_put(iter_type, ios_base&, char_type __fill, double __v) const; |
- |
- // XXX GLIBCXX_ABI Deprecated |
-#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ |
- virtual iter_type |
- __do_put(iter_type, ios_base&, char_type __fill, double __v) const; |
-#else |
- virtual iter_type |
- do_put(iter_type, ios_base&, char_type __fill, long double __v) const; |
-#endif |
- |
- virtual iter_type |
- do_put(iter_type, ios_base&, char_type __fill, const void* __v) const; |
- |
- // XXX GLIBCXX_ABI Deprecated |
-#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ |
- virtual iter_type |
- do_put(iter_type, ios_base&, char_type __fill, long double __v) const; |
-#endif |
- //@} |
- }; |
- |
- template <typename _CharT, typename _OutIter> |
- locale::id num_put<_CharT, _OutIter>::id; |
- |
-_GLIBCXX_END_LDBL_NAMESPACE |
- |
- // 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); } |
- |
-_GLIBCXX_END_NAMESPACE |
- |
-#ifndef _GLIBCXX_EXPORT_TEMPLATE |
-# include <bits/locale_facets.tcc> |
-#endif |
- |
-#endif |