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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/bits/char_traits.h')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/bits/char_traits.h | 575 |
1 files changed, 0 insertions, 575 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/bits/char_traits.h b/gcc-4.4.3/libstdc++-v3/include/bits/char_traits.h deleted file mode 100644 index 5e52c7537..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/bits/char_traits.h +++ /dev/null @@ -1,575 +0,0 @@ -// Character Traits for use by standard string and iostream -*- 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 char_traits.h - * This is an internal header file, included by other library headers. - * You should not attempt to use it directly. - */ - -// -// ISO C++ 14882: 21 Strings library -// - -#ifndef _CHAR_TRAITS_H -#define _CHAR_TRAITS_H 1 - -#pragma GCC system_header - -#include <bits/stl_algobase.h> // std::copy, std::fill_n -#include <bits/postypes.h> // For streampos -#include <cwchar> // For WEOF, wmemmove, wmemset, etc. - -#ifndef _GLIBCXX_STDIO_MACROS -# include <cstdio> // For EOF -# define _CHAR_TRAITS_EOF EOF -#else -# define _CHAR_TRAITS_EOF (-1) -#endif - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - /** - * @brief Mapping from character type to associated types. - * - * @note This is an implementation class for the generic version - * of char_traits. It defines int_type, off_type, pos_type, and - * state_type. By default these are unsigned long, streamoff, - * streampos, and mbstate_t. Users who need a different set of - * types, but who don't need to change the definitions of any function - * defined in char_traits, can specialize __gnu_cxx::_Char_types - * while leaving __gnu_cxx::char_traits alone. */ - template<typename _CharT> - struct _Char_types - { - typedef unsigned long int_type; - typedef std::streampos pos_type; - typedef std::streamoff off_type; - typedef std::mbstate_t state_type; - }; - - - /** - * @brief Base class used to implement std::char_traits. - * - * @note For any given actual character type, this definition is - * probably wrong. (Most of the member functions are likely to be - * right, but the int_type and state_type typedefs, and the eof() - * member function, are likely to be wrong.) The reason this class - * exists is so users can specialize it. Classes in namespace std - * may not be specialized for fundamental types, but classes in - * namespace __gnu_cxx may be. - * - * See http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt05ch13s03.html - * for advice on how to make use of this class for "unusual" character - * types. Also, check out include/ext/pod_char_traits.h. - */ - template<typename _CharT> - struct char_traits - { - typedef _CharT char_type; - typedef typename _Char_types<_CharT>::int_type int_type; - typedef typename _Char_types<_CharT>::pos_type pos_type; - typedef typename _Char_types<_CharT>::off_type off_type; - typedef typename _Char_types<_CharT>::state_type state_type; - - static void - assign(char_type& __c1, const char_type& __c2) - { __c1 = __c2; } - - static bool - eq(const char_type& __c1, const char_type& __c2) - { return __c1 == __c2; } - - static bool - lt(const char_type& __c1, const char_type& __c2) - { return __c1 < __c2; } - - static int - compare(const char_type* __s1, const char_type* __s2, std::size_t __n); - - static std::size_t - length(const char_type* __s); - - static const char_type* - find(const char_type* __s, std::size_t __n, const char_type& __a); - - static char_type* - move(char_type* __s1, const char_type* __s2, std::size_t __n); - - static char_type* - copy(char_type* __s1, const char_type* __s2, std::size_t __n); - - static char_type* - assign(char_type* __s, std::size_t __n, char_type __a); - - static char_type - to_char_type(const int_type& __c) - { return static_cast<char_type>(__c); } - - static int_type - to_int_type(const char_type& __c) - { return static_cast<int_type>(__c); } - - static bool - eq_int_type(const int_type& __c1, const int_type& __c2) - { return __c1 == __c2; } - - static int_type - eof() - { return static_cast<int_type>(_CHAR_TRAITS_EOF); } - - static int_type - not_eof(const int_type& __c) - { return !eq_int_type(__c, eof()) ? __c : to_int_type(char_type()); } - }; - - template<typename _CharT> - int - char_traits<_CharT>:: - compare(const char_type* __s1, const char_type* __s2, std::size_t __n) - { - for (std::size_t __i = 0; __i < __n; ++__i) - if (lt(__s1[__i], __s2[__i])) - return -1; - else if (lt(__s2[__i], __s1[__i])) - return 1; - return 0; - } - - template<typename _CharT> - std::size_t - char_traits<_CharT>:: - length(const char_type* __p) - { - std::size_t __i = 0; - while (!eq(__p[__i], char_type())) - ++__i; - return __i; - } - - template<typename _CharT> - const typename char_traits<_CharT>::char_type* - char_traits<_CharT>:: - find(const char_type* __s, std::size_t __n, const char_type& __a) - { - for (std::size_t __i = 0; __i < __n; ++__i) - if (eq(__s[__i], __a)) - return __s + __i; - return 0; - } - - template<typename _CharT> - typename char_traits<_CharT>::char_type* - char_traits<_CharT>:: - move(char_type* __s1, const char_type* __s2, std::size_t __n) - { - return static_cast<_CharT*>(__builtin_memmove(__s1, __s2, - __n * sizeof(char_type))); - } - - template<typename _CharT> - typename char_traits<_CharT>::char_type* - char_traits<_CharT>:: - copy(char_type* __s1, const char_type* __s2, std::size_t __n) - { - // NB: Inline std::copy so no recursive dependencies. - std::copy(__s2, __s2 + __n, __s1); - return __s1; - } - - template<typename _CharT> - typename char_traits<_CharT>::char_type* - char_traits<_CharT>:: - assign(char_type* __s, std::size_t __n, char_type __a) - { - // NB: Inline std::fill_n so no recursive dependencies. - std::fill_n(__s, __n, __a); - return __s; - } - -_GLIBCXX_END_NAMESPACE - -_GLIBCXX_BEGIN_NAMESPACE(std) - - // 21.1 - /** - * @brief Basis for explicit traits specializations. - * - * @note For any given actual character type, this definition is - * probably wrong. Since this is just a thin wrapper around - * __gnu_cxx::char_traits, it is possible to achieve a more - * appropriate definition by specializing __gnu_cxx::char_traits. - * - * See http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt05ch13s03.html - * for advice on how to make use of this class for "unusual" character - * types. Also, check out include/ext/pod_char_traits.h. - */ - template<class _CharT> - struct char_traits : public __gnu_cxx::char_traits<_CharT> - { }; - - - /// 21.1.3.1 char_traits specializations - template<> - struct char_traits<char> - { - typedef char char_type; - typedef int int_type; - typedef streampos pos_type; - typedef streamoff off_type; - typedef mbstate_t state_type; - - static void - assign(char_type& __c1, const char_type& __c2) - { __c1 = __c2; } - - static bool - eq(const char_type& __c1, const char_type& __c2) - { return __c1 == __c2; } - - static bool - lt(const char_type& __c1, const char_type& __c2) - { return __c1 < __c2; } - - static int - compare(const char_type* __s1, const char_type* __s2, size_t __n) - { return __builtin_memcmp(__s1, __s2, __n); } - - static size_t - length(const char_type* __s) - { return __builtin_strlen(__s); } - - static const char_type* - find(const char_type* __s, size_t __n, const char_type& __a) - { return static_cast<const char_type*>(__builtin_memchr(__s, __a, __n)); } - - static char_type* - move(char_type* __s1, const char_type* __s2, size_t __n) - { return static_cast<char_type*>(__builtin_memmove(__s1, __s2, __n)); } - - static char_type* - copy(char_type* __s1, const char_type* __s2, size_t __n) - { return static_cast<char_type*>(__builtin_memcpy(__s1, __s2, __n)); } - - static char_type* - assign(char_type* __s, size_t __n, char_type __a) - { return static_cast<char_type*>(__builtin_memset(__s, __a, __n)); } - - static char_type - to_char_type(const int_type& __c) - { return static_cast<char_type>(__c); } - - // To keep both the byte 0xff and the eof symbol 0xffffffff - // from ending up as 0xffffffff. - static int_type - to_int_type(const char_type& __c) - { return static_cast<int_type>(static_cast<unsigned char>(__c)); } - - static bool - eq_int_type(const int_type& __c1, const int_type& __c2) - { return __c1 == __c2; } - - static int_type - eof() - { return static_cast<int_type>(_CHAR_TRAITS_EOF); } - - static int_type - not_eof(const int_type& __c) - { return (__c == eof()) ? 0 : __c; } - }; - - -#ifdef _GLIBCXX_USE_WCHAR_T - /// 21.1.3.2 char_traits specializations - template<> - struct char_traits<wchar_t> - { - typedef wchar_t char_type; - typedef wint_t int_type; - typedef streamoff off_type; - typedef wstreampos pos_type; - typedef mbstate_t state_type; - - static void - assign(char_type& __c1, const char_type& __c2) - { __c1 = __c2; } - - static bool - eq(const char_type& __c1, const char_type& __c2) - { return __c1 == __c2; } - - static bool - lt(const char_type& __c1, const char_type& __c2) - { return __c1 < __c2; } - - static int - compare(const char_type* __s1, const char_type* __s2, size_t __n) - { return wmemcmp(__s1, __s2, __n); } - - static size_t - length(const char_type* __s) - { return wcslen(__s); } - - static const char_type* - find(const char_type* __s, size_t __n, const char_type& __a) - { return wmemchr(__s, __a, __n); } - - static char_type* - move(char_type* __s1, const char_type* __s2, size_t __n) - { return wmemmove(__s1, __s2, __n); } - - static char_type* - copy(char_type* __s1, const char_type* __s2, size_t __n) - { return wmemcpy(__s1, __s2, __n); } - - static char_type* - assign(char_type* __s, size_t __n, char_type __a) - { return wmemset(__s, __a, __n); } - - static char_type - to_char_type(const int_type& __c) - { return char_type(__c); } - - static int_type - to_int_type(const char_type& __c) - { return int_type(__c); } - - static bool - eq_int_type(const int_type& __c1, const int_type& __c2) - { return __c1 == __c2; } - - static int_type - eof() - { return static_cast<int_type>(WEOF); } - - static int_type - not_eof(const int_type& __c) - { return eq_int_type(__c, eof()) ? 0 : __c; } - }; -#endif //_GLIBCXX_USE_WCHAR_T - -_GLIBCXX_END_NAMESPACE - -#if (defined(__GXX_EXPERIMENTAL_CXX0X__) \ - && defined(_GLIBCXX_USE_C99_STDINT_TR1)) - -#include <cstdint> - -_GLIBCXX_BEGIN_NAMESPACE(std) - - template<> - struct char_traits<char16_t> - { - typedef char16_t char_type; - typedef uint_least16_t int_type; - typedef streamoff off_type; - typedef u16streampos pos_type; - typedef mbstate_t state_type; - - static void - assign(char_type& __c1, const char_type& __c2) - { __c1 = __c2; } - - static bool - eq(const char_type& __c1, const char_type& __c2) - { return __c1 == __c2; } - - static bool - lt(const char_type& __c1, const char_type& __c2) - { return __c1 < __c2; } - - static int - compare(const char_type* __s1, const char_type* __s2, size_t __n) - { - for (size_t __i = 0; __i < __n; ++__i) - if (lt(__s1[__i], __s2[__i])) - return -1; - else if (lt(__s2[__i], __s1[__i])) - return 1; - return 0; - } - - static size_t - length(const char_type* __s) - { - size_t __i = 0; - while (!eq(__s[__i], char_type())) - ++__i; - return __i; - } - - static const char_type* - find(const char_type* __s, size_t __n, const char_type& __a) - { - for (size_t __i = 0; __i < __n; ++__i) - if (eq(__s[__i], __a)) - return __s + __i; - return 0; - } - - static char_type* - move(char_type* __s1, const char_type* __s2, size_t __n) - { - return (static_cast<char_type*> - (__builtin_memmove(__s1, __s2, __n * sizeof(char_type)))); - } - - static char_type* - copy(char_type* __s1, const char_type* __s2, size_t __n) - { - return (static_cast<char_type*> - (__builtin_memcpy(__s1, __s2, __n * sizeof(char_type)))); - } - - static char_type* - assign(char_type* __s, size_t __n, char_type __a) - { - for (size_t __i = 0; __i < __n; ++__i) - assign(__s[__i], __a); - return __s; - } - - static char_type - to_char_type(const int_type& __c) - { return char_type(__c); } - - static int_type - to_int_type(const char_type& __c) - { return int_type(__c); } - - static bool - eq_int_type(const int_type& __c1, const int_type& __c2) - { return __c1 == __c2; } - - static int_type - eof() - { return static_cast<int_type>(-1); } - - static int_type - not_eof(const int_type& __c) - { return eq_int_type(__c, eof()) ? 0 : __c; } - }; - - template<> - struct char_traits<char32_t> - { - typedef char32_t char_type; - typedef uint_least32_t int_type; - typedef streamoff off_type; - typedef u32streampos pos_type; - typedef mbstate_t state_type; - - static void - assign(char_type& __c1, const char_type& __c2) - { __c1 = __c2; } - - static bool - eq(const char_type& __c1, const char_type& __c2) - { return __c1 == __c2; } - - static bool - lt(const char_type& __c1, const char_type& __c2) - { return __c1 < __c2; } - - static int - compare(const char_type* __s1, const char_type* __s2, size_t __n) - { - for (size_t __i = 0; __i < __n; ++__i) - if (lt(__s1[__i], __s2[__i])) - return -1; - else if (lt(__s2[__i], __s1[__i])) - return 1; - return 0; - } - - static size_t - length(const char_type* __s) - { - size_t __i = 0; - while (!eq(__s[__i], char_type())) - ++__i; - return __i; - } - - static const char_type* - find(const char_type* __s, size_t __n, const char_type& __a) - { - for (size_t __i = 0; __i < __n; ++__i) - if (eq(__s[__i], __a)) - return __s + __i; - return 0; - } - - static char_type* - move(char_type* __s1, const char_type* __s2, size_t __n) - { - return (static_cast<char_type*> - (__builtin_memmove(__s1, __s2, __n * sizeof(char_type)))); - } - - static char_type* - copy(char_type* __s1, const char_type* __s2, size_t __n) - { - return (static_cast<char_type*> - (__builtin_memcpy(__s1, __s2, __n * sizeof(char_type)))); - } - - static char_type* - assign(char_type* __s, size_t __n, char_type __a) - { - for (size_t __i = 0; __i < __n; ++__i) - assign(__s[__i], __a); - return __s; - } - - static char_type - to_char_type(const int_type& __c) - { return char_type(__c); } - - static int_type - to_int_type(const char_type& __c) - { return int_type(__c); } - - static bool - eq_int_type(const int_type& __c1, const int_type& __c2) - { return __c1 == __c2; } - - static int_type - eof() - { return static_cast<int_type>(-1); } - - static int_type - not_eof(const int_type& __c) - { return eq_int_type(__c, eof()) ? 0 : __c; } - }; - -_GLIBCXX_END_NAMESPACE - -#endif - -#undef _CHAR_TRAITS_EOF - -#endif // _CHAR_TRAITS_H |