using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using EnvDTE;

namespace Reformatter
{
    class Program
    {
        static void Main(string[] args)
        {
            var file = args[0];
            if (!Path.IsPathRooted(file))
            {
                file = Directory.GetCurrentDirectory() + "\\" + file;
            }

            FormatFile(file);
        }

        static void FormatFile(string file)
        {
            EnvDTE.Solution soln = System.Activator.CreateInstance(
                Type.GetTypeFromProgID("VisualStudio.Solution.10.0")) as EnvDTE.Solution;

            soln.DTE.ItemOperations.OpenFile(file);            

            TextSelection selection = soln.DTE.ActiveDocument.Selection as TextSelection;
            selection.SelectAll();
            selection.SmartFormat();

            soln.DTE.ActiveDocument.Save();
        }
    }
}