private static void DescribeParameter(int recursionDepth, DescriptorBuilder parameterDescription, IEnumerable value)
{
Contract.Requires(parameterDescription != null);
if (RecursionDepthExceeded(recursionDepth, parameterDescription))
{
return;
}
if (value == null)
{
parameterDescription.AppendLine("null");
return;
}
bool isFirst = true;
parameterDescription.AppendLine("[");
parameterDescription.Indent();
foreach (object item in value)
{
if (!isFirst)
{
parameterDescription.AppendLine(",");
}
isFirst = false;
DescribeParameter(recursionDepth + 1, parameterDescription, item.GetType(), item);
}
parameterDescription.Append("]");
parameterDescription.Outdent();
}
private static void DescribeClassParameter(int recursionDepth, DescriptorBuilder descriptorBuilder, object value)
{
Contract.Requires(descriptorBuilder != null);
Contract.Requires(value != null);
if (RecursionDepthExceeded(recursionDepth, descriptorBuilder))
{
return;
}
// Describing a class parameter requires describing each property, each of which can also
// be class parameters. Therefore there is an element of recursion.
var properties = value.GetType().GetProperties();
descriptorBuilder.Append(value.GetType().FullName);
descriptorBuilder.AppendLine("[");
descriptorBuilder.Indent();
bool isFirst = true;
foreach (var propertyInfo in properties)
{
if (!isFirst)
{
descriptorBuilder.AppendLine(",");
}
isFirst = false;
descriptorBuilder.Append(propertyInfo.Name);
descriptorBuilder.Append(": ");
try
{
var propertyValue = propertyInfo.GetValue(value, BindingFlags.GetProperty, null, null,
CultureInfo.InvariantCulture);
DescribeParameter(recursionDepth + 1, descriptorBuilder, propertyInfo.PropertyType, propertyValue);
}
catch (NullReferenceException)
{
descriptorBuilder.Append("null");
}
catch (Exception exception)
{
descriptorBuilder.Append(exception.Message);
}
}
descriptorBuilder.Append("]");
descriptorBuilder.Outdent();
}
