private object GetChannelValue(ChannelHistoryRecord channel)
{
double?value = null;
if (channel.DisplayValue != null)
{
if (channel.Value != null && IsTimeSpan(channel))
{
return(TimeSpan.FromSeconds(channel.Value.Value));
}
if (IsValueLookup(channel.DisplayValue))
{
return(channel.DisplayValue);
}
var space = channel.DisplayValue.IndexOf(' ');
var valueStr = channel.DisplayValue;
if (space > 0)
{
valueStr = channel.DisplayValue.Substring(0, space);
}
if (valueStr == "<1")
{
valueStr = "0";
}
else if (valueStr == ">99")
{
valueStr = "100";
}
else if (valueStr == "<" || valueStr == ">")
{
var first = channel.DisplayValue.IndexOf(' ') + 1;
var second = channel.DisplayValue.IndexOf(' ', first);
valueStr = channel.DisplayValue.Substring(first, second - first);
}
value = ConvertUtilities.ToDynamicDouble(valueStr, channel.Value);
}
return(value);
}
private void TestDouble(string s, double d, double expected)
{
var result = ConvertUtilities.ToDynamicDouble(s, d);
Assert.AreEqual(expected, result);
}