static bool is_of_type( cppcms::json::value const &v, T x )
{
try {
if( v.type( ) == cppcms::json::is_number ) {
// we loose precision as ArithmenticType is float, but so what
return true;
} else if( v.type( ) == cppcms::json::is_string ) {
T t = boost::lexical_cast<T>( v.str( ) );
(void)t;
return true;
} else {
return false;
}
} catch( boost::bad_lexical_cast &e ) {
return false;
}
}
static bool is_of_type( cppcms::json::value const &v, T x )
{
try {
if( v.type( ) == cppcms::json::is_number ) {
double n;
double d = std::modf( v.number( ), &n );
if( std::abs( d ) < std::numeric_limits<float>::epsilon( ) ) {
// the fractional part is smaller than the machine epsilon
// of float (right?), so it is an integer
return true;
}
return false;
} else if( v.type( ) == cppcms::json::is_string ) {
T t = boost::lexical_cast<T>( v.str( ) );
(void)t;
return true;
} else {
return false;
}
} catch( boost::bad_lexical_cast &e ) {
return false;
}
}