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- using System;
- using System.Xml;
- using System.Collections.Generic;
- using System.Diagnostics;
- using System.Reflection;
- using System.Text;
- using System.Threading;
- using log4net;
- namespace OpenSim.Framework.Console
- {
- public delegate void CommandDelegate(string module, string[] cmd);
- public class Commands
- {
-
-
-
- private class CommandInfo
- {
-
-
-
- public string module;
-
-
-
-
- public bool shared;
-
-
-
-
- public string help_text;
-
-
-
-
- public string long_help;
-
-
-
-
- public string descriptive_help;
-
-
-
-
- public List<CommandDelegate> fn;
- }
-
-
-
- private Dictionary<string, object> tree =
- new Dictionary<string, object>();
-
-
-
-
-
- public List<string> GetHelp(string[] cmd)
- {
- List<string> help = new List<string>();
- List<string> helpParts = new List<string>(cmd);
-
-
- helpParts.RemoveAt(0);
-
- if (helpParts.Count == 0)
- {
- help.AddRange(CollectHelp(tree));
- help.Sort();
- }
- else
- {
- help.AddRange(CollectHelp(helpParts));
- }
- return help;
- }
-
-
-
-
-
-
- private List<string> CollectHelp(List<string> helpParts)
- {
- string originalHelpRequest = string.Join(" ", helpParts.ToArray());
- List<string> help = new List<string>();
-
- Dictionary<string, object> dict = tree;
- while (helpParts.Count > 0)
- {
- string helpPart = helpParts[0];
-
- if (!dict.ContainsKey(helpPart))
- break;
-
-
-
- if (dict[helpPart] is Dictionary<string, Object>)
- dict = (Dictionary<string, object>)dict[helpPart];
-
- helpParts.RemoveAt(0);
- }
-
-
- if (dict.ContainsKey(String.Empty))
- {
- CommandInfo commandInfo = (CommandInfo)dict[String.Empty];
- help.Add(commandInfo.help_text);
- help.Add(commandInfo.long_help);
- string descriptiveHelp = commandInfo.descriptive_help;
-
- if (descriptiveHelp != string.Empty)
- help.Add(string.Empty);
-
- help.Add(commandInfo.descriptive_help);
- if (descriptiveHelp != string.Empty)
- help.Add(string.Empty);
- }
- else
- {
- help.Add(string.Format("No help is available for {0}", originalHelpRequest));
- }
-
- return help;
- }
- private List<string> CollectHelp(Dictionary<string, object> dict)
- {
- List<string> result = new List<string>();
- foreach (KeyValuePair<string, object> kvp in dict)
- {
- if (kvp.Value is Dictionary<string, Object>)
- {
- result.AddRange(CollectHelp((Dictionary<string, Object>)kvp.Value));
- }
- else
- {
- if (((CommandInfo)kvp.Value).long_help != String.Empty)
- result.Add(((CommandInfo)kvp.Value).help_text+" - "+
- ((CommandInfo)kvp.Value).long_help);
- }
- }
- return result;
- }
-
-
-
-
-
-
-
-
-
- public void AddCommand(string module, bool shared, string command,
- string help, string longhelp, CommandDelegate fn)
- {
- AddCommand(module, shared, command, help, longhelp, String.Empty, fn);
- }
-
-
-
-
-
-
-
-
-
- public void AddCommand(string module, bool shared, string command,
- string help, string longhelp, string descriptivehelp,
- CommandDelegate fn)
- {
- string[] parts = Parser.Parse(command);
- Dictionary<string, Object> current = tree;
-
- foreach (string s in parts)
- {
- if (current.ContainsKey(s))
- {
- if (current[s] is Dictionary<string, Object>)
- {
- current = (Dictionary<string, Object>)current[s];
- }
- else
- return;
- }
- else
- {
- current[s] = new Dictionary<string, Object>();
- current = (Dictionary<string, Object>)current[s];
- }
- }
- CommandInfo info;
- if (current.ContainsKey(String.Empty))
- {
- info = (CommandInfo)current[String.Empty];
- if (!info.shared && !info.fn.Contains(fn))
- info.fn.Add(fn);
- return;
- }
-
- info = new CommandInfo();
- info.module = module;
- info.shared = shared;
- info.help_text = help;
- info.long_help = longhelp;
- info.descriptive_help = descriptivehelp;
- info.fn = new List<CommandDelegate>();
- info.fn.Add(fn);
- current[String.Empty] = info;
- }
- public string[] FindNextOption(string[] cmd, bool term)
- {
- Dictionary<string, object> current = tree;
- int remaining = cmd.Length;
- foreach (string s in cmd)
- {
- remaining--;
- List<string> found = new List<string>();
- foreach (string opt in current.Keys)
- {
- if (remaining > 0 && opt == s)
- {
- found.Clear();
- found.Add(opt);
- break;
- }
- if (opt.StartsWith(s))
- {
- found.Add(opt);
- }
- }
- if (found.Count == 1 && (remaining != 0 || term))
- {
- current = (Dictionary<string, object>)current[found[0]];
- }
- else if (found.Count > 0)
- {
- return found.ToArray();
- }
- else
- {
- break;
- }
- }
- if (current.Count > 1)
- {
- List<string> choices = new List<string>();
- bool addcr = false;
- foreach (string s in current.Keys)
- {
- if (s == String.Empty)
- {
- CommandInfo ci = (CommandInfo)current[String.Empty];
- if (ci.fn.Count != 0)
- addcr = true;
- }
- else
- choices.Add(s);
- }
- if (addcr)
- choices.Add("<cr>");
- return choices.ToArray();
- }
- if (current.ContainsKey(String.Empty))
- return new string[] { "Command help: "+((CommandInfo)current[String.Empty]).help_text};
- return new string[] { new List<string>(current.Keys)[0] };
- }
- public string[] Resolve(string[] cmd)
- {
- string[] result = cmd;
- int index = -1;
- Dictionary<string, object> current = tree;
- foreach (string s in cmd)
- {
- index++;
- List<string> found = new List<string>();
- foreach (string opt in current.Keys)
- {
- if (opt == s)
- {
- found.Clear();
- found.Add(opt);
- break;
- }
- if (opt.StartsWith(s))
- {
- found.Add(opt);
- }
- }
- if (found.Count == 1)
- {
- result[index] = found[0];
- current = (Dictionary<string, object>)current[found[0]];
- }
- else if (found.Count > 0)
- {
- return new string[0];
- }
- else
- {
- break;
- }
- }
- if (current.ContainsKey(String.Empty))
- {
- CommandInfo ci = (CommandInfo)current[String.Empty];
- if (ci.fn.Count == 0)
- return new string[0];
- foreach (CommandDelegate fn in ci.fn)
- {
- if (fn != null)
- fn(ci.module, result);
- else
- return new string[0];
- }
- return result;
- }
-
- return new string[0];
- }
- public XmlElement GetXml(XmlDocument doc)
- {
- CommandInfo help = (CommandInfo)((Dictionary<string, object>)tree["help"])[String.Empty];
- ((Dictionary<string, object>)tree["help"]).Remove(string.Empty);
- if (((Dictionary<string, object>)tree["help"]).Count == 0)
- tree.Remove("help");
- CommandInfo quit = (CommandInfo)((Dictionary<string, object>)tree["quit"])[String.Empty];
- ((Dictionary<string, object>)tree["quit"]).Remove(string.Empty);
- if (((Dictionary<string, object>)tree["quit"]).Count == 0)
- tree.Remove("quit");
- XmlElement root = doc.CreateElement("", "HelpTree", "");
- ProcessTreeLevel(tree, root, doc);
- if (!tree.ContainsKey("help"))
- tree["help"] = (object) new Dictionary<string, object>();
- ((Dictionary<string, object>)tree["help"])[String.Empty] = help;
- if (!tree.ContainsKey("quit"))
- tree["quit"] = (object) new Dictionary<string, object>();
- ((Dictionary<string, object>)tree["quit"])[String.Empty] = quit;
- return root;
- }
- private void ProcessTreeLevel(Dictionary<string, object> level, XmlElement xml, XmlDocument doc)
- {
- foreach (KeyValuePair<string, object> kvp in level)
- {
- if (kvp.Value is Dictionary<string, Object>)
- {
- XmlElement next = doc.CreateElement("", "Level", "");
- next.SetAttribute("Name", kvp.Key);
- xml.AppendChild(next);
- ProcessTreeLevel((Dictionary<string, object>)kvp.Value, next, doc);
- }
- else
- {
- CommandInfo c = (CommandInfo)kvp.Value;
- XmlElement cmd = doc.CreateElement("", "Command", "");
- XmlElement e;
- e = doc.CreateElement("", "Module", "");
- cmd.AppendChild(e);
- e.AppendChild(doc.CreateTextNode(c.module));
- e = doc.CreateElement("", "Shared", "");
- cmd.AppendChild(e);
- e.AppendChild(doc.CreateTextNode(c.shared.ToString()));
- e = doc.CreateElement("", "HelpText", "");
- cmd.AppendChild(e);
- e.AppendChild(doc.CreateTextNode(c.help_text));
- e = doc.CreateElement("", "LongHelp", "");
- cmd.AppendChild(e);
- e.AppendChild(doc.CreateTextNode(c.long_help));
- e = doc.CreateElement("", "Description", "");
- cmd.AppendChild(e);
- e.AppendChild(doc.CreateTextNode(c.descriptive_help));
- xml.AppendChild(cmd);
- }
- }
- }
- public void FromXml(XmlElement root, CommandDelegate fn)
- {
- CommandInfo help = (CommandInfo)((Dictionary<string, object>)tree["help"])[String.Empty];
- ((Dictionary<string, object>)tree["help"]).Remove(string.Empty);
- if (((Dictionary<string, object>)tree["help"]).Count == 0)
- tree.Remove("help");
- CommandInfo quit = (CommandInfo)((Dictionary<string, object>)tree["quit"])[String.Empty];
- ((Dictionary<string, object>)tree["quit"]).Remove(string.Empty);
- if (((Dictionary<string, object>)tree["quit"]).Count == 0)
- tree.Remove("quit");
- tree.Clear();
- ReadTreeLevel(tree, root, fn);
- if (!tree.ContainsKey("help"))
- tree["help"] = (object) new Dictionary<string, object>();
- ((Dictionary<string, object>)tree["help"])[String.Empty] = help;
- if (!tree.ContainsKey("quit"))
- tree["quit"] = (object) new Dictionary<string, object>();
- ((Dictionary<string, object>)tree["quit"])[String.Empty] = quit;
- }
- private void ReadTreeLevel(Dictionary<string, object> level, XmlNode node, CommandDelegate fn)
- {
- Dictionary<string, object> next;
- string name;
- XmlNodeList nodeL = node.ChildNodes;
- XmlNodeList cmdL;
- CommandInfo c;
- foreach (XmlNode part in nodeL)
- {
- switch (part.Name)
- {
- case "Level":
- name = ((XmlElement)part).GetAttribute("Name");
- next = new Dictionary<string, object>();
- level[name] = next;
- ReadTreeLevel(next, part, fn);
- break;
- case "Command":
- cmdL = part.ChildNodes;
- c = new CommandInfo();
- foreach (XmlNode cmdPart in cmdL)
- {
- switch (cmdPart.Name)
- {
- case "Module":
- c.module = cmdPart.InnerText;
- break;
- case "Shared":
- c.shared = Convert.ToBoolean(cmdPart.InnerText);
- break;
- case "HelpText":
- c.help_text = cmdPart.InnerText;
- break;
- case "LongHelp":
- c.long_help = cmdPart.InnerText;
- break;
- case "Description":
- c.descriptive_help = cmdPart.InnerText;
- break;
- }
- }
- c.fn = new List<CommandDelegate>();
- c.fn.Add(fn);
- level[String.Empty] = c;
- break;
- }
- }
- }
- }
- public class Parser
- {
- public static string[] Parse(string text)
- {
- List<string> result = new List<string>();
- int index;
- string[] unquoted = text.Split(new char[] {'"'});
- for (index = 0 ; index < unquoted.Length ; index++)
- {
- if (index % 2 == 0)
- {
- string[] words = unquoted[index].Split(new char[] {' '});
- foreach (string w in words)
- {
- if (w != String.Empty)
- result.Add(w);
- }
- }
- else
- {
- result.Add(unquoted[index]);
- }
- }
- return result.ToArray();
- }
- }
-
-
-
- public class CommandConsole : ConsoleBase
- {
- private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
- public Commands Commands = new Commands();
- public CommandConsole(string defaultPrompt) : base(defaultPrompt)
- {
- Commands.AddCommand("console", false, "help", "help [<command>]",
- "Get general command list or more detailed help on a specific command", Help);
- }
- private void Help(string module, string[] cmd)
- {
- List<string> help = Commands.GetHelp(cmd);
- foreach (string s in help)
- Output(s);
- }
-
-
-
- public void Prompt()
- {
- string line = ReadLine(m_defaultPrompt + "# ", true, true);
- if (line != String.Empty)
- Output("Invalid command");
- }
- public void RunCommand(string cmd)
- {
- string[] parts = Parser.Parse(cmd);
- Commands.Resolve(parts);
- }
- public override string ReadLine(string p, bool isCommand, bool e)
- {
- System.Console.Write("{0}", p);
- string cmdinput = System.Console.ReadLine();
- if (isCommand)
- {
- string[] cmd = Commands.Resolve(Parser.Parse(cmdinput));
- if (cmd.Length != 0)
- {
- int i;
- for (i=0 ; i < cmd.Length ; i++)
- {
- if (cmd[i].Contains(" "))
- cmd[i] = "\"" + cmd[i] + "\"";
- }
- return String.Empty;
- }
- }
- return cmdinput;
- }
- }
- }
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