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diff --git a/OpenSim/Region/CoreModules/Framework/InterfaceCommander/Command.cs b/OpenSim/Region/CoreModules/Framework/InterfaceCommander/Command.cs
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.Collections.Generic;
30using OpenSim.Region.Framework.Interfaces;
31
32namespace OpenSim.Region.CoreModules.Framework.InterfaceCommander
33{
34 /// <summary>
35 /// A single function call encapsulated in a class which enforces arguments when passing around as Object[]'s.
36 /// Used for console commands and script API generation
37 /// </summary>
38 public class Command : ICommand
39 {
40 //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
41 private List<CommandArgument> m_args = new List<CommandArgument>();
42
43 private Action<object[]> m_command;
44 private string m_help;
45 private string m_name;
46 private CommandIntentions m_intentions; //A permission type system could implement this and know what a command intends on doing.
47
48 public Command(string name, CommandIntentions intention, Action<Object[]> command, string help)
49 {
50 m_name = name;
51 m_command = command;
52 m_help = help;
53 m_intentions = intention;
54 }
55
56 #region ICommand Members
57
58 public void AddArgument(string name, string helptext, string type)
59 {
60 m_args.Add(new CommandArgument(name, helptext, type));
61 }
62
63 public string Name
64 {
65 get { return m_name; }
66 }
67
68 public CommandIntentions Intentions
69 {
70 get { return m_intentions; }
71 }
72
73 public string Help
74 {
75 get { return m_help; }
76 }
77
78 public Dictionary<string, string> Arguments
79 {
80 get
81 {
82 Dictionary<string, string> tmp = new Dictionary<string, string>();
83 foreach (CommandArgument arg in m_args)
84 {
85 tmp.Add(arg.Name, arg.ArgumentType);
86 }
87 return tmp;
88 }
89 }
90
91 public string ShortHelp()
92 {
93 string help = m_name;
94
95 foreach (CommandArgument arg in m_args)
96 {
97 help += " <" + arg.Name + ">";
98 }
99
100 return help;
101 }
102
103 public void ShowConsoleHelp()
104 {
105 Console.WriteLine("== " + Name + " ==");
106 Console.WriteLine(m_help);
107 Console.WriteLine("= Parameters =");
108 foreach (CommandArgument arg in m_args)
109 {
110 Console.WriteLine("* " + arg.Name + " (" + arg.ArgumentType + ")");
111 Console.WriteLine("\t" + arg.HelpText);
112 }
113 }
114
115 public void Run(Object[] args)
116 {
117 Object[] cleanArgs = new Object[m_args.Count];
118
119 if (args.Length < cleanArgs.Length)
120 {
121 Console.WriteLine("ERROR: Missing " + (cleanArgs.Length - args.Length) + " argument(s)");
122 ShowConsoleHelp();
123 return;
124 }
125 if (args.Length > cleanArgs.Length)
126 {
127 Console.WriteLine("ERROR: Too many arguments for this command. Type '<module> <command> help' for help.");
128 return;
129 }
130
131 int i = 0;
132 foreach (Object arg in args)
133 {
134 if (string.IsNullOrEmpty(arg.ToString()))
135 {
136 Console.WriteLine("ERROR: Empty arguments are not allowed");
137 return;
138 }
139 try
140 {
141 switch (m_args[i].ArgumentType)
142 {
143 case "String":
144 m_args[i].ArgumentValue = arg.ToString();
145 break;
146 case "Integer":
147 m_args[i].ArgumentValue = Int32.Parse(arg.ToString());
148 break;
149 case "Double":
150 m_args[i].ArgumentValue = Double.Parse(arg.ToString());
151 break;
152 case "Boolean":
153 m_args[i].ArgumentValue = Boolean.Parse(arg.ToString());
154 break;
155 default:
156 Console.WriteLine("ERROR: Unknown desired type for argument " + m_args[i].Name + " on command " + m_name);
157 break;
158 }
159 }
160 catch (FormatException)
161 {
162 Console.WriteLine("ERROR: Argument number " + (i + 1) +
163 " (" + m_args[i].Name + ") must be a valid " +
164 m_args[i].ArgumentType.ToLower() + ".");
165 return;
166 }
167 cleanArgs[i] = m_args[i].ArgumentValue;
168
169 i++;
170 }
171
172 m_command.Invoke(cleanArgs);
173 }
174
175 #endregion
176 }
177
178 /// <summary>
179 /// A single command argument, contains name, type and at runtime, value.
180 /// </summary>
181 public class CommandArgument
182 {
183 private string m_help;
184 private string m_name;
185 private string m_type;
186 private Object m_val;
187
188 public CommandArgument(string name, string help, string type)
189 {
190 m_name = name;
191 m_help = help;
192 m_type = type;
193 }
194
195 public string Name
196 {
197 get { return m_name; }
198 }
199
200 public string HelpText
201 {
202 get { return m_help; }
203 }
204
205 public string ArgumentType
206 {
207 get { return m_type; }
208 }
209
210 public Object ArgumentValue
211 {
212 get { return m_val; }
213 set { m_val = value; }
214 }
215 }
216}