cpptoxml/parser/rpp/pp-symbol.h

   1 /****************************************************************************
   2 **
   3 ** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
   4 ** Copyright 2005 Roberto Raggi <roberto@kdevelop.org>
   5 **
   6 ** This file is part of $PRODUCT$.
   7 **
   8 ** $CPP_LICENSE$
   9 **
  10 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  11 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  12 **
  13 ****************************************************************************/
  14
  15 #ifndef PP_SYMBOL_H
  16 #define PP_SYMBOL_H
  17
  18 namespace rpp {
  19
  20 class pp_symbol
  21 {
  22   static rxx_allocator<char> &allocator_instance ()
  23   {
  24     static rxx_allocator<char>__allocator;
  25     return __allocator;
  26   }
  27
  28 public:
  29   static int &N()
  30   {
  31     static int __N;
  32     return __N;
  33   }
  34
  35   static pp_fast_string const *get (char const *__data, std::size_t __size)
  36   {
  37     ++N();
  38     char *data = allocator_instance ().allocate (__size + 1);
  39     memcpy(data, __data, __size);
  40     data[__size] = '\0';
  41
  42     char *where = allocator_instance ().allocate (sizeof (pp_fast_string));
  43     return new (where) pp_fast_string (data, __size);
  44   }
  45
  46   template <typename _InputIterator>
  47   static pp_fast_string const *get (_InputIterator __first, _InputIterator __last)
  48   {
  49     ++N();
  50     std::ptrdiff_t __size;
  51 #if defined(__SUNPRO_CC)
  52     std::distance (__first, __last, __size);
  53 #else
  54     __size = std::distance (__first, __last);
  55 #endif
  56     assert (__size >= 0 && __size < 512);
  57
  58     char *data = allocator_instance ().allocate (__size + 1);
  59     std::copy (__first, __last, data);
  60     data[__size] = '\0';
  61
  62     char *where = allocator_instance ().allocate (sizeof (pp_fast_string));
  63     return new (where) pp_fast_string (data, __size);
  64   }
  65
  66   static pp_fast_string const *get(std::string const &__s)
  67   { return get (__s.c_str (), __s.size ()); }
  68 };
  69
  70 } // namespace rpp
  71
  72 #endif // PP_SYMBOL_H
  73
  74 // kate: space-indent on; indent-width 2; replace-tabs on;