Exemple #1
0
void  _STLP_CALL
_Initialize_get_digit(wchar_t* digits, wchar_t* xdigits,
                       const ctype<wchar_t>& ct)
{
  ct.widen(narrow_digits + 0,  narrow_digits + 10,  digits);
  ct.widen(narrow_xdigits + 0, narrow_xdigits + 10, xdigits);
}
wchar_t* _STLP_CALL
__convert_float_buffer(const char* first, const char* last, wchar_t* out,
                       const ctype<wchar_t>& ct, wchar_t dot)
{
  ct.widen(first, last, out);
  replace(out, out + (last - first), ct.widen('.'), dot);
  return out + (last - first);
}
Exemple #3
0
void _STLP_CALL
__convert_float_buffer(__iostring const& str, __iowstring &out,
                       const ctype<wchar_t>& ct, wchar_t dot, bool __check_dot) {
    wchar_t __static_buf[128];
    wchar_t *__beg = __static_buf;
    wchar_t *__end = __static_buf + (sizeof(__static_buf) / sizeof(wchar_t));
    string::const_iterator str_ite(str.begin()), str_end(str.end());

    wchar_t *__cur = __beg;
    //First loop, check the dot char
    if (__check_dot) {
        while (str_ite != str_end) {
            if (*str_ite != '.') {
                *__cur = ct.widen(*str_ite);
            } else {
                *__cur = dot;
                break;
            }
            ++__cur;
            if (__cur == __end) {
                out.append(__beg, __cur);
                __cur = __beg;
            }
            ++str_ite;
        }
    } else {
        if (str_ite != str_end) {
            *__cur = ct.widen(*str_ite);
        }
    }

    if (str_ite != str_end) {
        ++__cur;
        ++str_ite;
        if (__cur == __end) {
            out.append(__beg, __cur);
            __cur = __beg;
        }

        //Second loop, dot has been found, no check anymore
        while (str_ite != str_end) {
            *__cur = ct.widen(*str_ite);
            ++__cur;
            if (__cur == __end) {
                out.append(__beg, __cur);
                __cur = __beg;
            }
            ++str_ite;
        }
    }

    out.append(__beg, __cur);
}
Exemple #4
0
int
__get_base_or_zero(_InputIter& __in_ite, _InputIter& __end,
                   ios_base::fmtflags __flags, const ctype<_CharT>& __c_type) {
  _CharT __atoms[5];
  __c_type.widen(__narrow_atoms(), __narrow_atoms() + 5, __atoms);

  bool __negative = false;
  _CharT __c = *__in_ite;

  if (__c == __atoms[1] /* __xminus_char */ ) {
    __negative = true;
    ++__in_ite;
  }
  else if (__c == __atoms[0] /* __xplus_char */ )
    ++__in_ite;

  int __base;
  int __valid_zero = 0;

  ios_base::fmtflags __basefield = __flags & ios_base::basefield;

  switch (__basefield) {
  case ios_base::oct:
    __base = 8;
    break;
  case ios_base::dec:
    __base = 10;
    break;
  case ios_base::hex:
    __base = 16;
    if (__in_ite != __end && *__in_ite == __atoms[2] /* __zero_char */ ) {
      ++__in_ite;
      if (__in_ite != __end &&
          (*__in_ite == __atoms[3] /* __x_char */ || *__in_ite == __atoms[4] /* __X_char */ ))
        ++__in_ite;
      else
        __valid_zero = 1; // That zero is valid by itself.
    }
    break;
  default:
    if (__in_ite != __end && *__in_ite == __atoms[2] /* __zero_char */ ) {
      ++__in_ite;
      if (__in_ite != __end &&
          (*__in_ite == __atoms[3] /* __x_char */ || *__in_ite == __atoms[4] /* __X_char */ )) {
        ++__in_ite;
        __base = 16;
      }
      else
        {
          __base = 8;
          __valid_zero = 1; // That zero is still valid by itself.
        }
    }
    else
      __base = 10;
    break;
  }
  return (__base << 2) | ((int)__negative << 1) | __valid_zero;
}
Exemple #5
0
__STL_BEGIN_NAMESPACE

//----------------------------------------------------------------------
// num_get

// Helper functions for _M_do_get_integer.

void  __STL_CALL
__initialize_get_digit(wchar_t* digits, wchar_t* xdigits,
                       const ctype<wchar_t>& ct)
{
    char narrow_digits[11]  = "0123456789";
    char narrow_xdigits[13] = "aAbBcCdDeEfF";

    ct.widen(narrow_digits + 0,  narrow_digits + 10,  digits);
    ct.widen(narrow_xdigits + 0, narrow_xdigits + 10, xdigits);
}