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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Tango.Console
{
public class ConsoleExecutionEngine
{
private class ParsedCommand
{
public String Command { get; set; }
public String Arguments { get; set; }
public ParsedCommand(ConsoleCommandDTO dto)
{
String[] s = dto.Command.Split(' ');
Command = s.First();
Arguments = String.Join(" ", s.Skip(1));
}
}
public Task<ConsoleCommandExecutionResult> Execute(ConsoleCommandDTO command)
{
return Task.Factory.StartNew<ConsoleCommandExecutionResult>(() =>
{
ParsedCommand parsedCommand = new ParsedCommand(command);
if (parsedCommand.Command.ToLower() == "cd")
{
if (parsedCommand.Arguments.Contains(":\\") && Directory.Exists(parsedCommand.Arguments))
{
return new ConsoleCommandExecutionResult()
{
Output = String.Empty,
WorkingFolder = parsedCommand.Arguments,
};
}
else if (Directory.Exists(Path.Combine(command.WorkingFolder, parsedCommand.Arguments)))
{
return new ConsoleCommandExecutionResult()
{
Output = String.Empty,
WorkingFolder = Path.GetFullPath(Path.Combine(command.WorkingFolder, parsedCommand.Arguments)),
};
}
else
{
return new ConsoleCommandExecutionResult()
{
Output = "The directory does not exists.",
};
}
}
var process = new Process();
process.StartInfo.CreateNoWindow = true;
process.StartInfo.FileName = "cmd.exe";
process.StartInfo.UseShellExecute = false;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardInput = true;
process.StartInfo.Arguments = "/C " + command.Command;
//process.StartInfo.Verb = "runas";
if (command.WorkingFolder != null)
{
process.StartInfo.WorkingDirectory = command.WorkingFolder;
}
process.Start();
String output = process.StandardOutput.ReadToEnd();
String error = process.StandardError.ReadToEnd();
return new ConsoleCommandExecutionResult()
{
WorkingFolder = command.WorkingFolder,
Output = String.IsNullOrWhiteSpace(error) ? output.Replace(command.WorkingFolder + ">", "") : error,
};
});
}
}
}
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