public static void Startup(IList <string> args)
{
Arguments = new SimpleArguments(args);
// enable trace with v parameter
if (Arguments.GetFlag("v"))
{
Trace.Listeners.Add(new ConsoleTraceListener(true));
}
}
/// <summary>
/// Read set of parsed SimpleArguments into the properties or fields in a POCO
/// </summary>
/// <param name="arguments">SimpleArguments objects with source values</param>
/// <param name="value"destination POCO to set values in></param>
public static void ArgumentsToObject(SimpleArguments arguments, object value)
{
char[] commaSplit = new char[] { ',' };
Type t = value.GetType();
FieldInfo[] fields = t.GetFields(BindingFlags.Public | BindingFlags.Instance);
foreach (FieldInfo field in fields)
{
MemberInfo m = field;
try
{
if (field.FieldType == boolType)
{
field.SetValue(value, arguments.GetFlag(field.Name));
}
else
{
string valueString = arguments.GetValue(field.Name);
if (valueString != null)
{
field.SetValue(value, Convert.ChangeType(valueString, field.FieldType));
}
}
}
catch (Exception ex)
{
throw new ArgumentException("ERROR: exception occurred whilst parsing argument " + field.Name, ex);
}
}
PropertyInfo[] properties = t.GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo property in properties)
{
try
{
if (property.PropertyType == boolType)
{
// handle a normal bool, if the flag was passed, set it to true, if not, false
property.SetValue(value, arguments.GetFlag(property.Name), null);
}
else if (property.PropertyType.BaseType.FullName == "System.Array")
{
// handle comma separated arrays
string valueString = arguments.GetValue(property.Name);
if (valueString != null)
{
string[] valueStringArray = valueString.Split(commaSplit);
int arrayLength = valueStringArray.Length;
Type elementType = property.PropertyType.GetElementType();
// build the array
Array y = Array.CreateInstance(elementType, arrayLength);
for (int i = 0; i < arrayLength; i++)
{
// set an element
y.SetValue(Convert.ChangeType(valueStringArray[i], elementType), i);
}
// put the array into the property
property.SetValue(value, y, null);
}
}
else
{
string valueString = arguments.GetValue(property.Name);
if (valueString != null)
{
property.SetValue(value, Convert.ChangeType(valueString, property.PropertyType), null);
}
}
}
catch (Exception ex)
{
throw new ArgumentException("ERROR: exception occurred whilst parsing argument " + property.Name, ex);
}
}
}
/// <summary>
/// Read a set of command line arguments into the properties or fields in a POCO
/// </summary>
/// <param name="args">source list of command line arguments, like the array from Main()</param>
/// <param name="value">destination POCO to set values in</param>
public static void ArgumentsToObject(IList <string> args, object value)
{
SimpleArguments arguments = new SimpleArguments(args);
ArgumentsToObject(arguments, value);
}
