PowerToys/Wox.Plugin.System/CMD.cs

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C#
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using System;
using System.Collections.Generic;
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using System.Diagnostics;
using System.IO;
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using System.Linq;
using System.Runtime.Serialization.Formatters.Binary;
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using System.Text;
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using System.Windows.Forms;
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namespace Wox.Plugin.System
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{
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public class CMD : BaseSystemPlugin
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{
private Dictionary<string, int> cmdHistory = new Dictionary<string, int>();
private string filePath = Path.GetDirectoryName(Application.ExecutablePath) + "\\CMDHistory.dat";
private PluginInitContext context;
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protected override List<Result> QueryInternal(Query query)
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{
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List<Result> results = new List<Result>();
if (query.RawQuery == ">")
{
IEnumerable<Result> history = cmdHistory.OrderByDescending(o => o.Value)
.Select(m => new Result
{
Title = m.Key,
SubTitle = "this command has been executed " + m.Value + " times",
IcoPath = "Images/cmd.png",
Action = (c) =>
{
ExecuteCmd(m.Key);
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return true;
}
}).Take(5);
results.AddRange(history);
}
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if (query.RawQuery.StartsWith(">") && query.RawQuery.Length > 1)
{
string cmd = query.RawQuery.Substring(1);
Result result = new Result
{
Title = cmd,
Score = 5000,
SubTitle = "execute command through command shell",
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IcoPath = "Images/cmd.png",
Action = (c) =>
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{
ExecuteCmd(cmd);
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return true;
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}
};
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try
{
if (File.Exists(cmd) || Directory.Exists(cmd))
{
result.IcoPath = cmd;
}
}
catch (Exception) { }
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results.Add(result);
IEnumerable<Result> history = cmdHistory.Where(o => o.Key.Contains(cmd))
.OrderByDescending(o => o.Value)
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.Select(m => {
if (m.Key == cmd)
{
result.SubTitle = "this command has been executed " + m.Value + " times";
return null;
}
var ret = new Result
{
Title = m.Key,
SubTitle = "this command has been executed " + m.Value + " times",
IcoPath = "Images/cmd.png",
Action = (c) =>
{
ExecuteCmd(m.Key);
return true;
}
};
try
{
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if (File.Exists(m.Key) || Directory.Exists(m.Key))
{
ret.IcoPath = m.Key;
}
}
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catch (Exception) { }
return ret;
}).Where(o => o != null).Take(4);
results.AddRange(history);
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try
{
string basedir = null;
string dir = null;
string excmd = Environment.ExpandEnvironmentVariables(cmd);
if (Directory.Exists(excmd) && (cmd.EndsWith("/") || cmd.EndsWith(@"\")))
{
basedir = excmd;
dir = cmd;
}
else if (Directory.Exists(Path.GetDirectoryName(excmd)))
{
basedir = Path.GetDirectoryName(excmd);
var dirn = Path.GetDirectoryName(cmd);
dir = (dirn.EndsWith("/") || dirn.EndsWith(@"\")) ? dirn : cmd.Substring(0, dirn.Length + 1);
}
if (basedir != null)
{
List<string> autocomplete = Directory.GetFileSystemEntries(basedir).Select(o => dir + Path.GetFileName(o)).Where(o => o.StartsWith(cmd, StringComparison.OrdinalIgnoreCase) && !results.Any(p => o.Equals(p.Title, StringComparison.OrdinalIgnoreCase))).ToList();
autocomplete.Sort();
results.AddRange(autocomplete.ConvertAll(m => new Result() {
Title = m,
SubTitle = "",
IcoPath = m,
Action = (c) =>
{
ExecuteCmd(m);
return true;
}
}));
}
}
catch (Exception) { }
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}
return results;
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}
private void ExecuteCmd(string cmd)
{
if (context.ShellRun(cmd))
AddCmdHistory(cmd);
}
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protected override void InitInternal(PluginInitContext context)
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{
this.context = context;
LoadCmdHistory();
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}
//todo:we need provide a common data persist interface for user?
private void AddCmdHistory(string cmdName)
{
if (cmdHistory.ContainsKey(cmdName))
{
cmdHistory[cmdName] += 1;
}
else
{
cmdHistory.Add(cmdName, 1);
}
PersistCmdHistory();
}
public void LoadCmdHistory()
{
if (File.Exists(filePath))
{
FileStream fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
BinaryFormatter b = new BinaryFormatter();
cmdHistory = (Dictionary<string, int>)b.Deserialize(fileStream);
fileStream.Close();
}
if (cmdHistory.Count > 1000)
{
List<string> onlyOnceKeys = (from c in cmdHistory where c.Value == 1 select c.Key).ToList();
foreach (string onlyOnceKey in onlyOnceKeys)
{
cmdHistory.Remove(onlyOnceKey);
}
}
}
private void PersistCmdHistory()
{
FileStream fileStream = new FileStream(filePath, FileMode.Create);
BinaryFormatter b = new BinaryFormatter();
b.Serialize(fileStream, cmdHistory);
fileStream.Close();
}
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}
}