build/stlport/src/num_get.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/build/stlport/src/num_get.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,120 @@
     1.4 +/*
     1.5 + * Copyright (c) 1999
     1.6 + * Silicon Graphics Computer Systems, Inc.
     1.7 + *
     1.8 + * Copyright (c) 1999
     1.9 + * Boris Fomitchev
    1.10 + *
    1.11 + * This material is provided "as is", with absolutely no warranty expressed
    1.12 + * or implied. Any use is at your own risk.
    1.13 + *
    1.14 + * Permission to use or copy this software for any purpose is hereby granted
    1.15 + * without fee, provided the above notices are retained on all copies.
    1.16 + * Permission to modify the code and to distribute modified code is granted,
    1.17 + * provided the above notices are retained, and a notice that the code was
    1.18 + * modified is included with the above copyright notice.
    1.19 + *
    1.20 + */
    1.21 +#include "stlport_prefix.h"
    1.22 +
    1.23 +#include <locale>
    1.24 +#include <istream>
    1.25 +#include <algorithm>
    1.26 +
    1.27 +_STLP_BEGIN_NAMESPACE
    1.28 +_STLP_MOVE_TO_PRIV_NAMESPACE
    1.29 +
    1.30 +// __valid_grouping compares two strings, one representing the
    1.31 +// group sizes encountered when reading an integer, and the other
    1.32 +// representing the valid group sizes as returned by the numpunct
    1.33 +// grouping() member function.  Both are interpreted right-to-left.
    1.34 +// The grouping string is treated as if it were extended indefinitely
    1.35 +// with its last value.  For a grouping to be valid, each term in
    1.36 +// the first string must be equal to the corresponding term in the
    1.37 +// second, except for the last, which must be less than or equal.
    1.38 +
    1.39 +// boris : this takes reversed first string !
    1.40 +bool  _STLP_CALL
    1.41 +__valid_grouping(const char * first1, const char * last1,
    1.42 +                 const char * first2, const char * last2) {
    1.43 +  if (first1 == last1 || first2 == last2) return true;
    1.44 +
    1.45 +  --last1; --last2;
    1.46 +
    1.47 +  while (first1 != last1) {
    1.48 +    if (*last1 != *first2)
    1.49 +      return false;
    1.50 +    --last1;
    1.51 +    if (first2 != last2) ++first2;
    1.52 +  }
    1.53 +
    1.54 +  return *last1 <= *first2;
    1.55 +}
    1.56 +
    1.57 +_STLP_DECLSPEC unsigned char _STLP_CALL __digit_val_table(unsigned __index) {
    1.58 +  static const unsigned char __val_table[128] = {
    1.59 +    0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
    1.60 +    0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
    1.61 +    0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
    1.62 +    0, 1, 2, 3, 4, 5, 6, 7, 8, 9,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
    1.63 +    0xFF,10,11,12,13,14,15,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
    1.64 +    0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
    1.65 +    0xFF,10,11,12,13,14,15,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
    1.66 +    0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
    1.67 +  };
    1.68 +
    1.69 +  return __val_table[__index];
    1.70 +}
    1.71 +
    1.72 +_STLP_DECLSPEC const char* _STLP_CALL __narrow_atoms()
    1.73 +{ return "+-0xX"; }
    1.74 +
    1.75 +// index is actually a char
    1.76 +
    1.77 +#if !defined (_STLP_NO_WCHAR_T)
    1.78 +
    1.79 +// Similar, except return the character itself instead of the numeric
    1.80 +// value.  Used for floating-point input.
    1.81 +bool _STLP_CALL __get_fdigit(wchar_t& c, const wchar_t* digits) {
    1.82 +  const wchar_t* p = find(digits, digits + 10, c);
    1.83 +  if (p != digits + 10) {
    1.84 +    c = (char)('0' + (p - digits));
    1.85 +    return true;
    1.86 +  }
    1.87 +  else
    1.88 +    return false;
    1.89 +}
    1.90 +
    1.91 +bool _STLP_CALL __get_fdigit_or_sep(wchar_t& c, wchar_t sep,
    1.92 +                                    const wchar_t * digits) {
    1.93 +  if (c == sep) {
    1.94 +    c = (char)',';
    1.95 +    return true;
    1.96 +  }
    1.97 +  else
    1.98 +    return __get_fdigit(c, digits);
    1.99 +}
   1.100 +
   1.101 +#endif
   1.102 +
   1.103 +_STLP_MOVE_TO_STD_NAMESPACE
   1.104 +
   1.105 +#if !defined(_STLP_NO_FORCE_INSTANTIATE)
   1.106 +//----------------------------------------------------------------------
   1.107 +// Force instantiation of num_get<>
   1.108 +template class _STLP_CLASS_DECLSPEC istreambuf_iterator<char, char_traits<char> >;
   1.109 +// template class num_get<char, const char*>;
   1.110 +template class num_get<char, istreambuf_iterator<char, char_traits<char> > >;
   1.111 +
   1.112 +#  if !defined (_STLP_NO_WCHAR_T)
   1.113 +template class _STLP_CLASS_DECLSPEC  istreambuf_iterator<wchar_t, char_traits<wchar_t> >;
   1.114 +template class num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >;
   1.115 +// template class num_get<wchar_t, const wchar_t*>;
   1.116 +#  endif
   1.117 +#endif
   1.118 +
   1.119 +_STLP_END_NAMESPACE
   1.120 +
   1.121 +// Local Variables:
   1.122 +// mode:C++
   1.123 +// End:

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