public static long ToLong(NetRuby ruby, object o)
{
if (o == null)
{
throw new eTypeError("no implicit conversion from nil");
}
if (o is int)
{
return((long)(int)o);
}
if (o is uint)
{
return((long)(uint)o);
}
if (o is long)
{
return((long)o);
}
if (o is RNumeric)
{
return(((RNumeric)o).ToLong());
}
if (o is string || o is RString)
{
throw new eTypeError("no implicit conversion from string");
}
if (o is bool || o is RBool)
{
throw new eTypeError("no implicit conversion from boolean");
}
RFixnum f = (RFixnum)ruby.ConvertType(o, typeof(RFixnum), "Integer", "to_int");
return((long)f.ToLong());
}
// as rb_Float
static public RFloat Float(NetRuby rb, object o)
{
if (o == null || o == rb.oNil)
{
return(new RFloat(rb, 0.0));
}
if (o is int)
{
return(new RFloat(rb, (double)(int)o));
}
if (o is long)
{
return(new RFloat(rb, (double)(long)o));
}
if (o is double)
{
return(new RFloat(rb, (double)o));
}
if (o is RFloat)
{
return((RFloat)o);
}
if (o is RBignum)
{
return(new RFloat(rb, ((RBignum)o).Big2Dbl()));
}
string s = null;
if (o is string)
{
s = (string)o;
}
else if (o is RString)
{
s = ((RString)o).ToString();
}
if (s != null)
{
s = s.Trim().Replace("_", "");
try
{
return(new RFloat(rb, Convert.ToDouble(s)));
}
catch
{
throw new eArgError("Invalid valud for Float: \"" + s + "\"");
}
}
return((RFloat)rb.ConvertType(o, typeof(RFloat), "Float", "to_f"));
}
public static RString StringToRString(NetRuby ruby, object s)
{
return((RString)ruby.ConvertType(s, typeof(RString), "String", "to_str"));
}