Cosmos/source/Cosmos.System.Plugs/System/IO/FileImpl.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using Cosmos.Common.Extensions;
using Cosmos.IL2CPU.Plugs;
using Cosmos.System.FileSystem;
using Cosmos.System.FileSystem.VFS;

namespace SentinelKernel.System.Plugs.System.IO
{
    [Plug(Target = typeof(File))]
    public static class FileImpl
    {
        public static bool Exists(string aFile)
        {
            return VFSManager.FileExists(aFile);
        }

        public static string ReadAllText(string aFile)
        {
            FatHelpers.Debug("In FileImpl.ReadAllText");
            using (var xFS = new FileStream(aFile, FileMode.Open))
            {
                var xBuff = new byte[(int)xFS.Length];
                var xResult = xFS.Read(xBuff, 0, xBuff.Length);
                if (xResult != xBuff.Length)
                {
                    throw new Exception("Couldn't read complete file!");
                }
                FatHelpers.Debug("Bytes read");
                var xResultStr = xBuff.GetUtf8String(0, (uint)xBuff.Length);
                FatHelpers.Debug("ResultString retrieved");
                return xResultStr;
            }
        }

        public static void WriteAllText(string aFile, string aText)
        {
            using (var xFS = new FileStream(aFile, FileMode.Create))
            {
                var xBuff = aText.GetUtf8Bytes(0, (uint) aText.Length);
                xFS.Write(xBuff, 0, xBuff.Length);
            }
        }
    }
}