private CommandNode CreateOrGetNodeFromClass(Type type)
{
string[] namespaces = type.FullName.Split('.');
int matchingIndex = 0;
CommandNode node = this.parser.Root;
for (int i = 0; i < node.children.Count; i++)
{
if (node.children[i].name == namespaces[matchingIndex])
{
++matchingIndex;
if (namespaces.Length == matchingIndex)
{
return(node.children[i]);
}
node = node.children[i];
i = -1;
}
}
while (matchingIndex < namespaces.Length)
{
CommandNode subNode = new CommandNode(null, namespaces[matchingIndex], string.Empty);
this.SortedAdd(node, subNode);
node = subNode;
++matchingIndex;
}
return(node);
}
public CommandNode[] GetMatchingChildren(string[] commands)
{
List <CommandNode> result = new List <CommandNode>();
int highestNode = 0;
CommandNode highestCommand = this.GetHighestValidCommand(commands, false, out highestNode);
// Whereas there is no highest input or it is empty.
if (highestNode >= commands.Length)
{
for (int i = 0; i < highestCommand.children.Count; i++)
{
result.Add(highestCommand.children[i]);
}
}
else if (highestCommand != null)
{
for (int i = 0; i < highestCommand.children.Count; i++)
{
if (highestCommand.children[i].name.StartsWith(commands[highestNode], StringComparison.OrdinalIgnoreCase) == true)
{
result.Add(highestCommand.children[i]);
}
}
}
return(result.ToArray());
}
private void BrowseOut(ByteBuffer buffer, CommandNode node)
{
buffer.AppendUnicodeString(node.name);
buffer.AppendUnicodeString(node.description);
buffer.Append(node.IsLeaf);
buffer.Append(node.children.Count);
for (int i = 0; i < node.children.Count; i++)
{
this.BrowseOut(buffer, node.children[i]);
}
}
private void SortedAdd(CommandNode parent, CommandNode child)
{
for (int i = 0; i < parent.children.Count; i++)
{
//if (string.Compare(parent.children[i].name, child.name) >= 0)
if (parent.children[i].name.CompareTo(child.name) >= 0)
{
parent.children.Insert(i, child);
return;
}
}
parent.children.Add(child);
}
protected CommandNode GetHighestValidCommand(string[] inputs, bool matchExact, out int i)
{
CommandNode highestCommand = this.root;
List <CommandNode> matching = new List <CommandNode>();
int max = (matchExact == true) ? inputs.Length : inputs.Length - 1;
for (i = 0; i < max; i++)
{
matching.Clear();
if (inputs[i] == string.Empty)
{
return(null);
}
for (int j = 0; j < highestCommand.children.Count; j++)
{
if (i + 1 == inputs.Length)
{
if ((matchExact == true && highestCommand.children[j].name == inputs[i]) ||
(matchExact == false && highestCommand.children[j].name.StartsWith(inputs[i]) == true))
{
matching.Add(highestCommand.children[j]);
}
}
else if (highestCommand.children[j].name == inputs[i])
{
matching.Add(highestCommand.children[j]);
}
}
if (matching.Count == 0)
{
return(null);
}
if (matching.Count == 1 && matching[0].name == inputs[i])
{
highestCommand = matching[0];
}
else
{
break;
}
}
return(highestCommand);
}
/// <summary>Removes nodes that does not contain any leaf commands.</summary>
/// <param name="node"></param>
/// <returns></returns>
private bool CleanEmptyNodes(CommandNode node)
{
bool empty = true;
for (int i = 0; i < node.children.Count; i++)
{
if (node.children[i].IsLeaf == false && this.CleanEmptyNodes(node.children[i]) == true)
{
node.children.RemoveAt(i);
--i;
continue;
}
else
{
empty = false;
}
}
return(empty);
}
/// <summary></summary>
/// <param name="input"></param>
/// <param name="result"></param>
/// <returns></returns>
public ExecResult Exec(string input, ref string result)
{
for (int j = 0; j < CommandParser.DefaultHelpCommands.Length; j++)
{
if (CommandParser.DefaultHelpCommands[j].Equals(input) == true)
{
StringBuilder buffer = Utility.GetBuffer();
buffer.AppendLine("Usage:");
buffer.AppendLine("command.subCommand");
buffer.AppendLine("command.subCommand arg1");
buffer.AppendLine("command.subCommand arg1 \"foo bar\" 12 3.45");
buffer.AppendLine();
buffer.AppendLine("Commands available:");
for (int k = 0; k < this.root.children.Count; k++)
{
buffer.AppendLine(this.root.children[k].name);
}
buffer.Length -= Environment.NewLine.Length;
result = Utility.ReturnBuffer(buffer);
return(ExecResult.Success);
}
}
string[] commands;
string[] arguments;
this.ParseInput(input, out commands, out arguments);
int i;
CommandNode command = this.GetHighestValidCommand(commands, true, out i);
this.historic.Add(input);
this.currentHistoric = -1;
if (commands.Length != i)
{
result = input + " is not recognized as a valid command. Type \"" + string.Join("\", \"", CommandParser.DefaultHelpCommands) + "\" to display usage.";
return(ExecResult.InvalidCommand);
}
if (command.IsLeaf == false)
{
result = input + " is not recognized as a valid command. Type \"" + string.Join("\", \"", CommandParser.DefaultHelpCommands) + "\" to display usage.";
return(ExecResult.NonLeafCommand);
}
try
{
result = command.GetSetInvoke(arguments);
}
catch (ArgumentException ex)
{
if (ex.Message.StartsWith("Set Method not found") == true)
{
result = "Member is readonly.";
}
else
{
result = ex.Message;
}
return(ExecResult.InvalidCommand);
}
catch (Exception ex)
{
result = ex.Message;
return(ExecResult.InvalidCommand);
}
return(ExecResult.Success);
}
public void RemoveRootCommand(CommandNode command)
{
this.root.RemoveChild(command);
}
public void AddRootCommand(CommandNode command)
{
this.root.AddChild(command);
}
public void SetRoot(CommandNode root)
{
this.root = root;
}
public CommandParser()
{
this.root = new CommandNode(null, "root", string.Empty);
this.historic = new List <string>();
this.currentHistoric = -1;
}
public void RemoveChild(CommandNode command)
{
this.invalidate |= Invalidate.Children;
this.children.Remove(command);
}
public void AddChild(CommandNode command)
{
this.invalidate |= Invalidate.Children;
this.children.Add(command);
}
private void InitializeCommands()
{
if (this.rootCommands != null && this.rootCommands.Length > 0)
{
for (int i = 0; i < this.rootCommands.Length; i++)
{
if (string.IsNullOrEmpty(this.rootCommands[i].alias) == true)
{
InternalNGDebug.Log(Errors.CLI_RootCommandEmptyAlias, "Root command #" + i + " as an empty alias.");
continue;
}
if (this.rootCommands[i].behaviour == null)
{
InternalNGDebug.Log(Errors.CLI_RootCommandNullBehaviour, "Root command \"" + this.rootCommands[i].alias + "\" has no behaviour.");
continue;
}
ICommandHelper helper = this.rootCommands[i].behaviour as ICommandHelper;
string description = string.Empty;
if (helper != null)
{
description = helper.Helper;
}
this.parser.AddRootCommand(new BehaviourCommand(this.rootCommands[i].alias,
description,
this.rootCommands[i].behaviour));
}
}
if (this.includeStaticTypes == true)
{
StringBuilder buffer = Utility.GetBuffer();
foreach (Type type in Utility.EachAllSubClassesOf(typeof(object)))
{
if (type.IsEnum == true ||
type.Name.StartsWith("<Private") == true ||
(type.Name == "Consts" && type.Namespace == null)) // This particular hidden type is redundant as f**k, and it has no namespace!
{
continue;
}
FieldInfo[] fields = type.GetFields(BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
PropertyInfo[] properties = type.GetProperties(BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
if (fields.Length > 0 || properties.Length > 0)
{
CommandNode node = this.CreateOrGetNodeFromClass(type);
for (int i = 0; i < fields.Length; i++)
{
try
{
this.SortedAdd(node, new MemberCommand(new FieldModifier(fields[i]), null));
}
catch (NotSupportedMemberTypeException ex)
{
if (buffer.Length == 0)
{
buffer.Append("#" + Errors.CLI_UnsupportedPropertyType + " - ");
}
buffer.AppendLine("Field \"" + ex.member.Name + "\" of type \"" + ex.member.Type.Name + "\" from \"" + ex.member.MemberInfo.DeclaringType.Name + "\" is unsupported.");
}
}
for (int i = 0; i < properties.Length; i++)
{
try
{
this.SortedAdd(node, new MemberCommand(new PropertyModifier(properties[i]), null));
}
catch (NotSupportedMemberTypeException ex)
{
if (buffer.Length == 0)
{
buffer.Append("#" + Errors.CLI_UnsupportedPropertyType + " - ");
}
buffer.AppendLine("Property \"" + ex.member.Name + "\" of type \"" + ex.member.Type.Name + "\" from \"" + ex.member.MemberInfo.DeclaringType.Name + "\" is unsupported.");
}
}
}
}
if (buffer.Length > 0)
{
buffer.Length -= Environment.NewLine.Length;
InternalNGDebug.VerboseLog(Utility.ReturnBuffer(buffer));
}
else
{
Utility.RestoreBuffer(buffer);
}
}
this.CleanEmptyNodes(this.parser.Root);
if (this.parser.Root.children.Count == 0)
{
InternalNGDebug.Log(Errors.CLI_EmptyRootCommand, "There is not root command in your CLI.");
}
}
