/// <summary>
/// Creates an instance of the style command based on the name. Then parses out the passed
/// in command arguments and prepares the instance for execution
/// </summary>
/// <returns>Fully Hydrated Style object</returns>
public TextWriterStyleBase Create(string commandString)
{
if (string.IsNullOrWhiteSpace(commandString))
{
throw new StyleParseException("Unable to parse empty command string. Please ensure there are no instnances of {} in the file.");
}
string[] commandStringParts = commandString.Split(':');
if (commandStringParts.Count() > 2)
{
throw new StyleParseException($"Too many instances of ':' found in command string: '{commandString}'");
}
string command = commandStringParts[0].ToLower();
string args = string.Empty;
if (commandStringParts.Count() > 1)
{
args = commandStringParts[1];
}
if (!CommandRepository.ContainsKey(command))
{
throw new StyleParseException($"Unrecognized command, '{command}'");
}
Type commandType = CommandRepository[command];
if (!commandType.IsSubclassOf(typeof(TextWriterStyleBase)))
{
throw new StyleParseException($"Command type for '{command}' is typeof '{commandType.GetType()}', " +
$"which does not inherit from {nameof(TextWriterStyleBase)}");
}
TextWriterStyleBase style = (TextWriterStyleBase)Activator.CreateInstance(commandType);
style.Initialize(args);
return(style);
}
