/// <summary>
/// Tries the parse the specified input to an instance of <see cref="NexusUrl" />.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="output">The output.</param>
/// <returns>true if successful; false otherwise.</returns>
/// <exception cref="ArgumentNullException">Thrown if input is null.</exception>
public static bool TryParse(string input, out NexusUrl output)
{
if (input == null)
{
throw new ArgumentNullException(nameof(input));
}
output = null;
// Make sure the input url starts with the parkitect: protocol.
if (!input.StartsWith(Protocol) || input.Length < Protocol.Length + 2)
{
return(false);
}
// Trim off the protocol and any number of slashes.
input = input.Substring(Protocol.Length).Trim('/');
// Split parameters and url decode them.
var parameters =
input.Split(new[] { ProtocolInstructionSeparator }, StringSplitOptions.RemoveEmptyEntries)
.Select(WebUtility.UrlDecode)
.ToArray();
// Find the type asociated with the parameters.
var action =
typeof(UrlAction).GetEnumValues()
.OfType <UrlAction>()
.FirstOrDefault(v => v.ToString().ToLower() == parameters[0]);
// Get data attribute from action enum value
var attribute = action.GetCustomAttribute <UrlActionAttribute>();
if (attribute == null)
{
return(false);
}
// Find the proper constructor for the data container
var constructors = attribute.Type.GetConstructors();
var constructor =
constructors
.OrderByDescending(c => c.GetParameters().Length)
.FirstOrDefault(c => c.GetParameters().All(p => p.ParameterType == typeof(string)) &&
c.GetParameters().Length <= parameters.Length - 1);
var data = constructor?.Invoke(parameters.Skip(1).ToArray()) as IUrlAction;
if (data == null)
{
return(false);
}
output = new NexusUrl(action, data);
return(true);
}
/// <summary>
/// Tries the parse the specified input to an instance of <see cref="NexusUrl" />.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="output">The output.</param>
/// <returns>true if successful; false otherwise.</returns>
/// <exception cref="ArgumentNullException">Thrown if input is null.</exception>
public static bool TryParse(string input, out NexusUrl output)
{
if (input == null)
throw new ArgumentNullException(nameof(input));
output = null;
// Make sure the input url starts with the parkitect: protocol.
if (!input.StartsWith(Protocol) || input.Length < Protocol.Length + 2)
return false;
// Trim off the protocol and any number of slashes.
input = input.Substring(Protocol.Length).Trim('/');
// Split parameters and url decode them.
var parameters =
input.Split(new[] {ProtocolInstructionSeparator}, StringSplitOptions.RemoveEmptyEntries)
.Select(WebUtility.UrlDecode)
.ToArray();
// Find the type asociated with the parameters.
var action =
typeof (UrlAction).GetEnumValues()
.OfType<UrlAction>()
.FirstOrDefault(v => v.ToString().ToLower() == parameters[0]);
// Get data attribute from action enum value
var attribute = action.GetCustomAttribute<UrlActionAttribute>();
if (attribute == null)
return false;
// Find the proper constructor for the data container
var constructors = attribute.Type.GetConstructors();
var constructor =
constructors
.OrderByDescending(c => c.GetParameters().Length)
.FirstOrDefault(c => c.GetParameters().All(p => p.ParameterType == typeof (string)) &&
c.GetParameters().Length <= parameters.Length - 1);
var data = constructor?.Invoke(parameters.Skip(1).ToArray()) as IUrlAction;
if (data == null)
return false;
output = new NexusUrl(action, data);
return true;
}
