/// <summary>Process the raw constant straight from the input file</summary>
/// <remarks>
/// The objective of this method is to parse the text in the
/// specified constant and create a representative 'PatchVariable'
/// </remarks>
private void ProcessConstant(APSIMConstant constant)
{
// Parse examples:
// longterm rain = 0
// longterm rain = patch_rain
// longterm rain = rain from 2014-04-01 to 2014-07-31
if (constant.Name != "Title")
{
string descriptor = constant.Name + " = " + constant.Value;
Console.WriteLine(" " + descriptor);
string pattern = @"((?<longterm>longterm)\s+)?" +
@"(?<variable>\S+)" +
@"\s+=\s+" +
@"(?<value>\S+)" +
@"(" +
@"(\s+from\s+)(?<date1>\S+)" +
@"(\s+to\s+)(?<date2>\S+)" +
@")?";
Regex r = new Regex(pattern);
Match m = r.Match(descriptor);
if (!m.Success)
{
throw new Exception("Invalid report variable found: " + descriptor);
}
GroupCollection c = r.Match(descriptor).Groups;
bool longterm = c["longterm"].Value == "longterm";
string variableNameToSet = c["variable"].Value;
string dataColumnName = c["value"].Value;
string date1String = c["date1"].Value;
string date2String = c["date2"].Value;
DateTime date1;
DateTime.TryParse(date1String, CultureInfo.InvariantCulture, DateTimeStyles.None, out date1);
DateTime date2;
DateTime.TryParse(date2String, CultureInfo.InvariantCulture, DateTimeStyles.None, out date2);
string value = null;
DataTable dataForConstant;
if (data.Rows.Count > 0 && data.Columns.Contains(dataColumnName))
{
dataForConstant = data;
}
else if (date1 != DateTime.MinValue && date2 != DateTime.MinValue)
{
dataForConstant = getDataFromInput(date1, date2);
}
else
{
// assume the data column name is actually a value.
value = dataColumnName;
dataColumnName = null;
dataForConstant = null;
}
patchVariables.Add(new PatchVariable(variableNameToSet, dataColumnName, value, longterm, date1, date2, dataForConstant, Paddock));
}
}
public void TestReadConstants()
{
WriteDummyMetFile();
APSIMInputFile InputFile = new APSIMInputFile();
InputFile.Open("test.met");
DataTable MetData = InputFile.ToTable();
InputFile.Close();
ArrayList Constants = InputFile.Constants;
Assert.AreEqual(Constants.Count, 4);
APSIMConstant Latitude = (APSIMConstant)Constants[0];
Assert.AreEqual(Latitude.Name, "Latitude");
Assert.AreEqual(Latitude.Value, "-27.11");
Assert.AreEqual(Latitude.Units, "deg min");
Assert.AreEqual(Latitude.Comment, "my latitude");
DeleteDummyMetFile();
}
