bool _STLP_CALL
__copy_grouped_digits(_InputIter& __first, _InputIter __last,
__iostring& __v, const _CharT * __digits,
_CharT __sep, const string& __grouping,
bool& __grouping_ok) {
bool __ok = false;
char __group_sizes[64];
char*__group_sizes_end = __group_sizes;
char __current_group_size = 0;
for ( ; __first != __last; ++__first) {
_CharT __c = *__first;
bool __tmp = __get_fdigit_or_sep(__c, __sep, __digits);
if (__tmp) {
if (__c == ',') {
*__group_sizes_end++ = __current_group_size;
__current_group_size = 0;
}
else {
__ok = true;
__v.push_back((char)__c);
++__current_group_size;
}
}
else
break;
}
if (__group_sizes_end != __group_sizes)
*__group_sizes_end++ = __current_group_size;
__grouping_ok = __valid_grouping(__group_sizes, __group_sizes_end, __grouping.data(), __grouping.data() + __grouping.size());
return __ok;
}
bool _STLP_CALL
__get_integer(_InputIter& __first, _InputIter& __last,
int __base, _Integer& __val,
int __got, bool __is_negative, _CharT __separator, const string& __grouping, const __false_type& /*_IsSigned*/) {
bool __ovflow = false;
_Integer __result = 0;
bool __is_group = !__grouping.empty();
char __group_sizes[64];
char __current_group_size = 0;
char* __group_sizes_end = __group_sizes;
_Integer __over_base = (numeric_limits<_Integer>::max)() / __STATIC_CAST(_Integer, __base);
for ( ; __first != __last ; ++__first) {
const _CharT __c = *__first;
if (__is_group && __c == __separator) {
*__group_sizes_end++ = __current_group_size;
__current_group_size = 0;
continue;
}
int __n = __get_digit_from_table(__c);
if (__n >= __base)
break;
++__got;
++__current_group_size;
if (__result > __over_base)
__ovflow = true; //don't need to keep accumulating
else {
_Integer __next = __STATIC_CAST(_Integer, __base * __result + __n);
if (__result != 0)
__ovflow = __ovflow || __next <= __result;
__result = __next;
}
}
if (__is_group && __group_sizes_end != __group_sizes) {
*__group_sizes_end++ = __current_group_size;
}
// fbp : added to not modify value if nothing was read
if (__got > 0) {
__val = __ovflow ? (numeric_limits<_Integer>::max)()
: (__is_negative ? __STATIC_CAST(_Integer, -__result)
: __result);
}
// overflow is being treated as failure
return ((__got > 0) && !__ovflow) &&
(__is_group == 0 ||
__valid_grouping(__group_sizes, __group_sizes_end,
__grouping.data(), __grouping.data()+ __grouping.size()));
}
bool
__get_monetary_value(_InIt& __first, _InIt __last, _OuIt __out_ite,
const ctype<_CharT>& _c_type,
_CharT __point, int __frac_digits, _CharT __sep,
const string& __grouping, bool &__syntax_ok) {
if (__first == __last || !_c_type.is(ctype_base::digit, *__first))
return false;
char __group_sizes[128];
char* __group_sizes_end = __grouping.empty()? 0 : __group_sizes;
char __current_group_size = 0;
while (__first != __last) {
if (_c_type.is(ctype_base::digit, *__first)) {
++__current_group_size;
*__out_ite++ = *__first++;
}
else if (__group_sizes_end) {
if (*__first == __sep) {
*__group_sizes_end++ = __current_group_size;
__current_group_size = 0;
++__first;
}
else break;
}
else
break;
}
if (__grouping.empty())
__syntax_ok = true;
else {
if (__group_sizes_end != __group_sizes)
*__group_sizes_end++ = __current_group_size;
__syntax_ok = __valid_grouping(__group_sizes, __group_sizes_end,
__grouping.data(), __grouping.data()+ __grouping.size());
if (__first == __last || *__first != __point) {
for (int __digits = 0; __digits != __frac_digits; ++__digits)
*__out_ite++ = _CharT('0');
return true; // OK not to have decimal point
}
}
++__first;
int __digits = 0;
while (__first != __last && _c_type.is(ctype_base::digit, *__first)) {
*__out_ite++ = *__first++;
++__digits;
}
__syntax_ok = __syntax_ok && (__digits == __frac_digits);
return true;
}