470 lines
15 KiB
C#
470 lines
15 KiB
C#
/*
|
|
* Copyright (c) Contributors, http://opensimulator.org/
|
|
* See CONTRIBUTORS.TXT for a full list of copyright holders.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of the OpenSim Project nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.Reflection;
|
|
using System.Text;
|
|
using System.Threading;
|
|
using log4net;
|
|
|
|
namespace OpenSim.Framework.Console
|
|
{
|
|
// A console that uses cursor control and color
|
|
//
|
|
public class LocalConsole : CommandConsole
|
|
{
|
|
// private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
|
|
|
private readonly object m_syncRoot = new object();
|
|
|
|
private int y = -1;
|
|
private int cp = 0;
|
|
private int h = 1;
|
|
private StringBuilder cmdline = new StringBuilder();
|
|
private bool echo = true;
|
|
private List<string> history = new List<string>();
|
|
|
|
public LocalConsole(string defaultPrompt) : base(defaultPrompt)
|
|
{
|
|
}
|
|
|
|
private void AddToHistory(string text)
|
|
{
|
|
while (history.Count >= 100)
|
|
history.RemoveAt(0);
|
|
|
|
history.Add(text);
|
|
}
|
|
|
|
/// <summary>
|
|
/// derive an ansi color from a string, ignoring the darker colors.
|
|
/// This is used to help automatically bin component tags with colors
|
|
/// in various print functions.
|
|
/// </summary>
|
|
/// <param name="input">arbitrary string for input</param>
|
|
/// <returns>an ansii color</returns>
|
|
protected override ConsoleColor DeriveColor(string input)
|
|
{
|
|
int colIdx = (input.ToUpper().GetHashCode() % 6) + 9;
|
|
return (ConsoleColor) colIdx;
|
|
}
|
|
|
|
private int SetCursorTop(int top)
|
|
{
|
|
if (top >= 0 && top < System.Console.BufferHeight)
|
|
{
|
|
System.Console.CursorTop = top;
|
|
return top;
|
|
}
|
|
else
|
|
{
|
|
return System.Console.CursorTop;
|
|
}
|
|
}
|
|
|
|
private int SetCursorLeft(int left)
|
|
{
|
|
if (left >= 0 && left < System.Console.BufferWidth)
|
|
{
|
|
System.Console.CursorLeft = left;
|
|
return left;
|
|
}
|
|
else
|
|
{
|
|
return System.Console.CursorLeft;
|
|
}
|
|
}
|
|
|
|
protected override void WriteNewLine(ConsoleColor senderColor, string sender, ConsoleColor color, string format, params object[] args)
|
|
{
|
|
lock (cmdline)
|
|
{
|
|
if (y != -1)
|
|
{
|
|
y=SetCursorTop(y);
|
|
System.Console.CursorLeft = 0;
|
|
|
|
int count = cmdline.Length;
|
|
|
|
System.Console.Write(" ");
|
|
while (count-- > 0)
|
|
System.Console.Write(" ");
|
|
|
|
y=SetCursorTop(y);
|
|
System.Console.CursorLeft = 0;
|
|
}
|
|
WritePrefixLine(senderColor, sender);
|
|
WriteConsoleLine(color, format, args);
|
|
if (y != -1)
|
|
y = System.Console.CursorTop;
|
|
}
|
|
}
|
|
|
|
protected override void WriteNewLine(ConsoleColor color, string format, params object[] args)
|
|
{
|
|
lock (cmdline)
|
|
{
|
|
if (y != -1)
|
|
{
|
|
y=SetCursorTop(y);
|
|
System.Console.CursorLeft = 0;
|
|
|
|
int count = cmdline.Length;
|
|
|
|
System.Console.Write(" ");
|
|
while (count-- > 0)
|
|
System.Console.Write(" ");
|
|
|
|
y=SetCursorTop(y);
|
|
System.Console.CursorLeft = 0;
|
|
}
|
|
WriteConsoleLine(color, format, args);
|
|
if (y != -1)
|
|
y = System.Console.CursorTop;
|
|
}
|
|
}
|
|
|
|
protected override void WriteConsoleLine(ConsoleColor color, string format, params object[] args)
|
|
{
|
|
try
|
|
{
|
|
lock (m_syncRoot)
|
|
{
|
|
try
|
|
{
|
|
if (color != ConsoleColor.White)
|
|
System.Console.ForegroundColor = color;
|
|
|
|
System.Console.WriteLine(format, args);
|
|
System.Console.ResetColor();
|
|
}
|
|
catch (ArgumentNullException)
|
|
{
|
|
// Some older systems dont support coloured text.
|
|
System.Console.WriteLine(format, args);
|
|
}
|
|
catch (FormatException)
|
|
{
|
|
System.Console.WriteLine(args);
|
|
}
|
|
}
|
|
}
|
|
catch (ObjectDisposedException)
|
|
{
|
|
}
|
|
}
|
|
|
|
protected override void WritePrefixLine(ConsoleColor color, string sender)
|
|
{
|
|
try
|
|
{
|
|
lock (m_syncRoot)
|
|
{
|
|
sender = sender.ToUpper();
|
|
|
|
System.Console.WriteLine("[" + sender + "] ");
|
|
|
|
System.Console.Write("[");
|
|
|
|
try
|
|
{
|
|
System.Console.ForegroundColor = color;
|
|
System.Console.Write(sender);
|
|
System.Console.ResetColor();
|
|
}
|
|
catch (ArgumentNullException)
|
|
{
|
|
// Some older systems dont support coloured text.
|
|
System.Console.WriteLine(sender);
|
|
}
|
|
|
|
System.Console.Write("] \t");
|
|
}
|
|
}
|
|
catch (ObjectDisposedException)
|
|
{
|
|
}
|
|
}
|
|
|
|
private void Show()
|
|
{
|
|
lock (cmdline)
|
|
{
|
|
if (y == -1 || System.Console.BufferWidth == 0)
|
|
return;
|
|
|
|
int xc = prompt.Length + cp;
|
|
int new_x = xc % System.Console.BufferWidth;
|
|
int new_y = y + xc / System.Console.BufferWidth;
|
|
int end_y = y + (cmdline.Length + prompt.Length) / System.Console.BufferWidth;
|
|
if (end_y / System.Console.BufferWidth >= h)
|
|
h++;
|
|
if (end_y >= System.Console.BufferHeight) // wrap
|
|
{
|
|
y--;
|
|
new_y--;
|
|
System.Console.CursorLeft = 0;
|
|
System.Console.CursorTop = System.Console.BufferHeight-1;
|
|
System.Console.WriteLine(" ");
|
|
}
|
|
|
|
y=SetCursorTop(y);
|
|
System.Console.CursorLeft = 0;
|
|
|
|
if (echo)
|
|
System.Console.Write("{0}{1}", prompt, cmdline);
|
|
else
|
|
System.Console.Write("{0}", prompt);
|
|
|
|
SetCursorLeft(new_x);
|
|
SetCursorTop(new_y);
|
|
}
|
|
}
|
|
|
|
public override void LockOutput()
|
|
{
|
|
Monitor.Enter(cmdline);
|
|
try
|
|
{
|
|
if (y != -1)
|
|
{
|
|
y = SetCursorTop(y);
|
|
System.Console.CursorLeft = 0;
|
|
|
|
int count = cmdline.Length + prompt.Length;
|
|
|
|
while (count-- > 0)
|
|
System.Console.Write(" ");
|
|
|
|
y = SetCursorTop(y);
|
|
System.Console.CursorLeft = 0;
|
|
|
|
}
|
|
}
|
|
catch (Exception)
|
|
{
|
|
}
|
|
}
|
|
|
|
public override void UnlockOutput()
|
|
{
|
|
if (y != -1)
|
|
{
|
|
y = System.Console.CursorTop;
|
|
Show();
|
|
}
|
|
Monitor.Exit(cmdline);
|
|
}
|
|
|
|
public override void Output(string text)
|
|
{
|
|
lock (cmdline)
|
|
{
|
|
if (y == -1)
|
|
{
|
|
System.Console.WriteLine(text);
|
|
|
|
return;
|
|
}
|
|
|
|
y = SetCursorTop(y);
|
|
System.Console.CursorLeft = 0;
|
|
|
|
int count = cmdline.Length + prompt.Length;
|
|
|
|
while (count-- > 0)
|
|
System.Console.Write(" ");
|
|
|
|
y = SetCursorTop(y);
|
|
System.Console.CursorLeft = 0;
|
|
|
|
System.Console.WriteLine(text);
|
|
|
|
y = System.Console.CursorTop;
|
|
|
|
Show();
|
|
}
|
|
}
|
|
|
|
private bool ContextHelp()
|
|
{
|
|
string[] words = Parser.Parse(cmdline.ToString());
|
|
|
|
bool trailingSpace = cmdline.ToString().EndsWith(" ");
|
|
|
|
// Allow ? through while typing a URI
|
|
//
|
|
if (words.Length > 0 && words[words.Length-1].StartsWith("http") && !trailingSpace)
|
|
return false;
|
|
|
|
string[] opts = Commands.FindNextOption(words, trailingSpace);
|
|
|
|
if (opts[0].StartsWith("Command help:"))
|
|
Output(opts[0]);
|
|
else
|
|
Output(String.Format("Options: {0}", String.Join(" ", opts)));
|
|
|
|
return true;
|
|
}
|
|
|
|
public override string ReadLine(string p, bool isCommand, bool e)
|
|
{
|
|
h = 1;
|
|
cp = 0;
|
|
prompt = p;
|
|
echo = e;
|
|
int historyLine = history.Count;
|
|
|
|
System.Console.CursorLeft = 0; // Needed for mono
|
|
System.Console.Write(" "); // Needed for mono
|
|
|
|
lock (cmdline)
|
|
{
|
|
y = System.Console.CursorTop;
|
|
cmdline.Remove(0, cmdline.Length);
|
|
}
|
|
|
|
while (true)
|
|
{
|
|
Show();
|
|
|
|
ConsoleKeyInfo key = System.Console.ReadKey(true);
|
|
char c = key.KeyChar;
|
|
|
|
if (!Char.IsControl(c))
|
|
{
|
|
if (cp >= 318)
|
|
continue;
|
|
|
|
if (c == '?' && isCommand)
|
|
{
|
|
if (ContextHelp())
|
|
continue;
|
|
}
|
|
|
|
cmdline.Insert(cp, c);
|
|
cp++;
|
|
}
|
|
else
|
|
{
|
|
switch (key.Key)
|
|
{
|
|
case ConsoleKey.Backspace:
|
|
if (cp == 0)
|
|
break;
|
|
cmdline.Remove(cp-1, 1);
|
|
cp--;
|
|
|
|
System.Console.CursorLeft = 0;
|
|
y = SetCursorTop(y);
|
|
|
|
System.Console.Write("{0}{1} ", prompt, cmdline);
|
|
|
|
break;
|
|
case ConsoleKey.End:
|
|
cp = cmdline.Length;
|
|
break;
|
|
case ConsoleKey.Home:
|
|
cp = 0;
|
|
break;
|
|
case ConsoleKey.UpArrow:
|
|
if (historyLine < 1)
|
|
break;
|
|
historyLine--;
|
|
LockOutput();
|
|
cmdline.Remove(0, cmdline.Length);
|
|
cmdline.Append(history[historyLine]);
|
|
cp = cmdline.Length;
|
|
UnlockOutput();
|
|
break;
|
|
case ConsoleKey.DownArrow:
|
|
if (historyLine >= history.Count)
|
|
break;
|
|
historyLine++;
|
|
LockOutput();
|
|
if (historyLine == history.Count)
|
|
{
|
|
cmdline.Remove(0, cmdline.Length);
|
|
}
|
|
else
|
|
{
|
|
cmdline.Remove(0, cmdline.Length);
|
|
cmdline.Append(history[historyLine]);
|
|
}
|
|
cp = cmdline.Length;
|
|
UnlockOutput();
|
|
break;
|
|
case ConsoleKey.LeftArrow:
|
|
if (cp > 0)
|
|
cp--;
|
|
break;
|
|
case ConsoleKey.RightArrow:
|
|
if (cp < cmdline.Length)
|
|
cp++;
|
|
break;
|
|
case ConsoleKey.Enter:
|
|
System.Console.CursorLeft = 0;
|
|
y = SetCursorTop(y);
|
|
|
|
System.Console.WriteLine("{0}{1}", prompt, cmdline);
|
|
|
|
lock (cmdline)
|
|
{
|
|
y = -1;
|
|
}
|
|
|
|
if (isCommand)
|
|
{
|
|
string[] cmd = Commands.Resolve(Parser.Parse(cmdline.ToString()));
|
|
|
|
if (cmd.Length != 0)
|
|
{
|
|
int i;
|
|
|
|
for (i=0 ; i < cmd.Length ; i++)
|
|
{
|
|
if (cmd[i].Contains(" "))
|
|
cmd[i] = "\"" + cmd[i] + "\"";
|
|
}
|
|
AddToHistory(String.Join(" ", cmd));
|
|
return String.Empty;
|
|
}
|
|
}
|
|
|
|
AddToHistory(cmdline.ToString());
|
|
return cmdline.ToString();
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|