bool nwxString::IsInteger(const wxString &s, bool bAllowSign)
{
const wxChar *p = s.wc_str();
bool bFoundDigit = false;
if(bAllowSign && IsSign(*p))
{
p++;
}
while(IsNumeric(*p))
{
p++;
bFoundDigit = true;
}
bool bRtn = bFoundDigit && (!(*p));
return bRtn;
}
bool nwxString::IsNumber(const wxString &s, bool bAllowExp)
{
const wxChar *p = s.wc_str();
bool bFoundDigit = false;
bool bRtn = true;
if(IsSign(*p))
{
// optional sign
p++;
}
while(IsNumeric(*p))
{
// digits
bFoundDigit = true;
p++;
}
if((*p) == '.')
{
// decimal, optional
p++;
}
while(IsNumeric(*p))
{
// digits
bFoundDigit = true;
p++;
}
if(bAllowExp && bFoundDigit)
{
// exp OK if at least one digit found so far
bool bFoundExpDigit = false;
if((*p) == 'e' || (*p) == 'E')
{
p++;
if(IsSign(*p))
{
// optional sign
p++;
}
while(IsNumeric(*p))
{
// required numeric
p++;
bFoundExpDigit = true;
}
if(!bFoundExpDigit)
{
// E or e found w/o digits, return false
bRtn = false;
}
}
}
if( (*p) || !bFoundDigit )
{
// either no digits found
// or not at end of string
bRtn = false;
}
return bRtn;
}
void SetNegative(bool is_negative) {
assert(IsSign());
value = is_negative;
}
constexpr bool IsEditable() const {
return IsNumber() || IsSign();
}
