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-rw-r--r--contrib/libstdc++/std/straits.h161
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diff --git a/contrib/libstdc++/std/straits.h b/contrib/libstdc++/std/straits.h
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-// Character traits template for the -*- C++ -*- string classes.
-// Copyright (C) 1994 Free Software Foundation
-
-// This file is part of the GNU ANSI C++ Library. This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-// As a special exception, if you link this library with files
-// compiled with a GNU compiler to produce an executable, this does not cause
-// the resulting executable to be covered by the GNU General Public License.
-// This exception does not however invalidate any other reasons why
-// the executable file might be covered by the GNU General Public License.
-
-// Written by Jason Merrill based upon the specification by Takanori Adachi
-// in ANSI X3J16/94-0013R2.
-
-#ifndef __STRING_CHAR_TRAITS__
-#define __STRING_CHAR_TRAITS__
-
-#ifdef __GNUG__
-// For string_char_traits <char>
-#pragma interface "std/straits.h"
-#endif
-
-#include <cstddef>
-
-extern "C++" {
-template <class charT>
-struct string_char_traits {
- typedef charT char_type; // for users to acquire the basic character type
-
- // constraints
-
- 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 ne (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 char_type eos () { return char_type(); } // the null character
- static bool is_del(char_type a) { return 0; }
- // characteristic function for delimiters of charT
-
- // speed-up functions
-
- static int compare (const char_type* s1, const char_type* s2, size_t n)
- {
- size_t i;
- for (i = 0; i < n; ++i)
- if (ne (s1[i], s2[i]))
- return lt (s1[i], s2[i]) ? -1 : 1;
-
- return 0;
- }
-
- static size_t length (const char_type* s)
- {
- size_t l = 0;
- while (ne (*s++, eos ()))
- ++l;
- return l;
- }
-
- static char_type* copy (char_type* s1, const char_type* s2, size_t n)
- {
- for (; n--; )
- assign (s1[n], s2[n]);
- return s1;
- }
-
- static char_type* move (char_type* s1, const char_type* s2, size_t n)
- {
- char_type a[n];
- size_t i;
- for (i = 0; i < n; ++i)
- assign (a[i], s2[i]);
- for (i = 0; i < n; ++i)
- assign (s1[i], a[i]);
- return s1;
- }
-
- static char_type* set (char_type* s1, const char_type& c, size_t n)
- {
- for (; n--; )
- assign (s1[n], c);
- return s1;
- }
-};
-
-class istream;
-class ostream;
-#include <cctype>
-#include <cstring>
-
-struct string_char_traits <char> {
- typedef char char_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 ne (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 char_type eos () { return 0; }
- static bool is_del(char_type a) { return isspace(a); }
-
- static int compare (const char_type* s1, const char_type* s2, size_t n)
- { return memcmp (s1, s2, n); }
- static size_t length (const char_type* s)
- { return strlen (s); }
- static char_type* copy (char_type* s1, const char_type* s2, size_t n)
- { return (char_type*) memcpy (s1, s2, n); }
- static char_type* move (char_type* s1, const char_type* s2, size_t n)
- { return (char_type*) memmove (s1, s2, n); }
- static char_type* set (char_type* s1, const char_type& c, size_t n)
- { return (char_type*) memset (s1, c, n); }
-};
-
-#if 0
-#include <cwctype>
-struct string_char_traits <wchar_t> {
- typedef wchar_t char_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 ne (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 char_type eos () { return 0; }
- static bool is_del(char_type a) { return iswspace(a); }
-
- 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 char_type* copy (char_type* s1, const char_type* s2, size_t n)
- { return wmemcpy (s1, s2, n); }
- static char_type* set (char_type* s1, const char_type& c, size_t n)
- { return wmemset (s1, c, n); }
-};
-#endif
-} // extern "C++"
-#endif
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