static void Main(string[] args)
{
Console.WriteLine("1. Loading filesystem from file. 2. Create new filesystem.");
var choice = Console.ReadLine();
Console.WriteLine("Insert number of sectors and sector size: (number size)");
var diskSizeArray = Console.ReadLine().Split(" ");
int numberOfSectors = int.Parse(diskSizeArray[0]);
int sectorSize = int.Parse(diskSizeArray[1]);
FileSystem fs = new FileSystem(numberOfSectors, sectorSize);
if (choice == "1")
{
Console.WriteLine("Insert file name: ");
var fileName = Console.ReadLine();
fs = FileSystemPersistor.Load(fileName, 1024, 1024);
fs.CurrentPath = "C:\\";
Console.WriteLine("File System loaded.");
}
FileHandle fh;
while (true)
{
Console.Write(fs.CurrentPath + "> ");
var input = Console.ReadLine();
if (input == "exit")
{
break;
}
var fields = input.Split(" ");
switch (fields[0])
{
case "touch":
if (fields[1].Contains("C:"))
{
fh = fs.Create(fields[1], bool.Parse(fields[2]), bool.Parse(fields[3]));
}
else
{
fh = fs.Create(fs.CurrentPath + fields[1], bool.Parse(fields[2]), bool.Parse(fields[3]));
}
break;
case "mkdir":
if (fields[1].Contains("C:"))
{
fh = fs.Create(fields[1], true, true);
}
else
{
fh = fs.Create(fs.CurrentPath + fields[1], true, true);
}
break;
case "rm":
if (fields[1] == "-dir")
{
if (!fs.DeleteDirectory(fields[2]))
{
Console.WriteLine("Diretory doesn't exist.");
}
}
else
{
if (fields[1].Contains("C:"))
{
fs.Delete(fields[1]);
}
else
{
fs.Delete(fs.CurrentPath + fields[1]);
}
}
break;
case "cat":
if (fields[1].Contains("C:"))
{
fh = fs.Open(fields[1]);
}
else
{
fh = fs.Open(fs.CurrentPath + fields[1]);
}
if (fh == null)
{
Console.WriteLine("File doesn't exist.");
}
else
{
Console.WriteLine(Encoding.UTF8.GetString(fh?.ReadAll()));
}
break;
case "write":
if (fields[1].Contains("C:"))
{
fh = fs.Open(fields[1]);
fh?.Write(Encoding.UTF8.GetBytes(fields[2]));
}
else
{
fh = fs.Open(fs.CurrentPath + fields[1]);
fh?.Write(Encoding.UTF8.GetBytes(fields[2]));
}
break;
case "savefs":
FileSystemPersistor.Write(fields[1], fs);
Console.WriteLine("File System saved.");
break;
case "loadfs":
fs = FileSystemPersistor.Load(fields[1], 1024, 1024);
fs.CurrentPath = "C:\\";
Console.WriteLine("File System loaded.");
break;
case "size":
Console.WriteLine(fs.Size(fields[1]));
break;
case "cp":
if (fields[1] == "-dir")
{
if (!fs.CopyDirectory(fields[2], fields[3]))
{
Console.WriteLine("No such file or directory.");
}
}
else
{
if (!fs.Copy(fields[1], fields[2]))
{
Console.WriteLine("No such file or directory.");
}
}
break;
case "mv":
if (fields[1] == "-dir")
{
if (!fs.RenameDirectory(fields[2], fields[3]))
{
Console.WriteLine("No such directory.");
}
}
else
{
if (!fs.Rename(fields[1], fields[2]))
{
Console.WriteLine("No such file or directory.");
}
}
break;
case "ls":
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine();
foreach (var directory in fs.ListDirectories(fs.CurrentPath))
{
Console.WriteLine(directory);
}
Console.ForegroundColor = ConsoleColor.White;
Console.Write(fs.ListFiles(fs.CurrentPath));
break;
case "cd":
switch (fields[1])
{
case "..":
var directories = fs.CurrentPath.Split('\\');
fs.CurrentPath = "";
for (int i = 0; i < directories.Count() - 2; i++)
{
fs.CurrentPath += directories[i] + "\\";
}
break;
default:
foreach (var directory in fs.ListDirectories(fs.CurrentPath))
{
if (directory.ToString() == fields[1])
{
fs.CurrentPath += directory.ToString();
break;
}
}
break;
}
break;
case "man":
if (fields.Count() < 2)
{
Console.WriteLine("Which command do you want to see.");
}
else
{
Console.WriteLine(CommandDescription(fields[1]));
}
break;
}
}
}
static void Main(string[] args)
{
while (true)
{
Console.WriteLine("Enter 1 for loading filesystem from file. Enter 2 to create new filesystem.");
var choice = Console.ReadLine();
Console.WriteLine("Insert number of sectors and sector size: (<number> <size>)");
var diskSizeArray = Console.ReadLine().Split(' ');
FileHandle OpenedFile = null;
int numberOfSectors = int.Parse(diskSizeArray[0]);
int sectorSize = int.Parse(diskSizeArray[1]);
FileSystem fs = new FileSystem(numberOfSectors, sectorSize);
if (choice == "1")
{
Console.WriteLine("Insert file name: ");
var fileName = Console.ReadLine();
fs = FileSystemPersistor.Load(fileName, numberOfSectors, sectorSize);
fs.CurrentPath = "C:\\";
Console.WriteLine("File System loaded.");
}
FileHandle fh;
while (true && fs != null)
{
Console.Write(fs.CurrentPath + "> ");
var input = Console.ReadLine();
if (input == "exit")
{
break;
}
var fields = input.Split(' ');
switch (fields[0])
{
case "cfs":
try
{
fs = new FileSystem(int.Parse(fields[1]), int.Parse(fields[2]));
}
catch (Exception ex)
{
Console.WriteLine("cfs: missing operands");
}
break;
case "dfs":
fs = null;
break;
case "touch":
if (fields[1][fields[1].Length - 1] == '\\')
{
Console.WriteLine("touch: wrong operand");
break;
}
try
{
if (fields[1].Contains("C:"))
{
fh = fs.Create(fields[1], bool.Parse(fields[2]), bool.Parse(fields[3]));
}
else
{
fh = fs.Create(fs.CurrentPath + fields[1], bool.Parse(fields[2]), bool.Parse(fields[3]));
}
}
catch (Exception ex)
{
Console.WriteLine("touch: missing operands or wrong operands");
}
break;
case "mkdir":
try
{
if (fields[1].Contains("C:"))
{
fs.Create(fields[1], true, true);
}
else
{
fs.Create(fs.CurrentPath + fields[1], true, true);
}
}
catch (Exception ex)
{
Console.WriteLine("mkdir: missing operands or wrong operands");
}
break;
case "rm":
try
{
if (fields[1] == "-dir")
{
if (fields[1] == "C:\\")
{
Console.WriteLine("rm: cannot remove root directory");
break;
}
if (!fs.DeleteDirectory(fields[2]))
{
Console.WriteLine("Diretory doesn't exist.");
}
}
else
{
if (fields[1].Contains("C:"))
{
fs.Delete(fields[1]);
}
else
{
fs.Delete(fs.CurrentPath + fields[1]);
}
}
}
catch (Exception ex)
{
Console.WriteLine("rm: missing operands or wrong operands");
}
break;
case "cat":
try
{
if (fields[1].Contains("C:"))
{
fh = fs.Open(fields[1]);
}
else
{
fh = fs.Open(fs.CurrentPath + fields[1]);
}
if (fh == null)
{
Console.WriteLine("File doesn't exist.");
}
else
{
Console.WriteLine(Encoding.UTF8.GetString(fh?.ReadAll()));
}
}
catch (Exception ex)
{
Console.WriteLine("cat: missing operands or wrong operands");
}
break;
case "write":
if (fields.Count() < 2)
{
Console.WriteLine("write: missing operands or wrong operands");
break;
}
Console.SetCursorPosition(0, Console.CursorTop + 1);
var textForFile = "";
while (true)
{
ConsoleKeyInfo ki = Console.ReadKey(true);
if ((ki.Key == ConsoleKey.Q) && (ki.Modifiers == ConsoleModifiers.Control))
{
break;
}
if (ki.Key == ConsoleKey.Enter)
{
Console.SetCursorPosition(0, Console.CursorTop + 1);
textForFile += Environment.NewLine;
}
else if (ki.Key == ConsoleKey.LeftArrow)
{
Console.SetCursorPosition(Console.CursorLeft - 1, Console.CursorTop);
break;
}
else if (ki.Key == ConsoleKey.UpArrow)
{
Console.SetCursorPosition(Console.CursorLeft, Console.CursorTop - 1);
break;
}
else if (ki.Key == ConsoleKey.DownArrow)
{
Console.SetCursorPosition(Console.CursorLeft, Console.CursorTop + 1);
break;
}
else if (ki.Key == ConsoleKey.RightArrow)
{
Console.SetCursorPosition(Console.CursorLeft + 1, Console.CursorTop);
break;
}
else
{
Console.Write(ki.KeyChar);
textForFile += ki.KeyChar;
}
}
try
{
if (fields[1].Contains("C:"))
{
fh = fs.Open(fields[1]);
fh?.Write(Encoding.UTF8.GetBytes(textForFile));
}
else
{
fh = fs.Open(fs.CurrentPath + fields[1]);
fh?.Write(Encoding.UTF8.GetBytes(textForFile));
}
}
catch (Exception ex)
{
Console.WriteLine("write: missing operands or wrong operands");
}
break;
case "savefs":
if (fields.Count() < 2)
{
Console.WriteLine("savefs: missing operand");
break;
}
FileSystemPersistor.Write(fields[1], fs);
Console.WriteLine("File System saved.");
break;
case "loadfs":
try
{
fs = FileSystemPersistor.Load(fields[1], numberOfSectors, sectorSize);
fs.CurrentPath = "C:\\";
Console.WriteLine("File System loaded.");
}
catch (Exception ex)
{
Console.WriteLine("loadfs: missing operands or wrong operands");
}
break;
case "size":
Console.WriteLine(fs.Size(fields[1]));
break;
case "cp":
try
{
if (fields[1] == "-dir")
{
if (!fs.CopyDirectory(fields[2], fields[3]))
{
Console.WriteLine("No such file or directory.");
}
}
else
{
if (!fs.Copy(fields[1], fields[2]))
{
Console.WriteLine("No such file or directory.");
}
}
}
catch (Exception ex)
{
Console.WriteLine("cp: missing operands or wrong operands");
}
break;
case "mv":
try
{
if (fields[1] == "-dir")
{
if (!fs.RenameDirectory(fields[2], fields[3]))
{
Console.WriteLine("No such directory.");
}
}
else
{
if (!fs.Rename(fields[1], fields[2]))
{
Console.WriteLine("No such file or directory.");
}
}
}
catch (Exception ex)
{
Console.WriteLine("mv: missing operands or wrong operands");
}
break;
case "ls":
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine();
foreach (var directory in fs.ListDirectories(fs.CurrentPath))
{
Console.WriteLine(directory);
}
Console.ForegroundColor = ConsoleColor.White;
Console.Write(fs.ListFiles(fs.CurrentPath));
break;
case "cd":
switch (fields[1])
{
case "..":
var directories = fs.CurrentPath.Split('\\');
fs.CurrentPath = "";
for (int i = 0; i < directories.Count() - 2; i++)
{
fs.CurrentPath += directories[i] + "\\";
}
break;
default:
foreach (var directory in fs.ListDirectories(fs.CurrentPath))
{
if (directory.ToString() == fields[1])
{
fs.CurrentPath += directory.ToString();
break;
}
}
break;
}
break;
case "openfile":
if (fields.Count() < 2)
{
Console.WriteLine("openfile: missing operand");
break;
}
try
{
OpenedFile = fs.Open(fields[1]);
}
catch (Exception ex)
{
Console.WriteLine("openfile: no such file");
}
break;
case "closefile":
OpenedFile = null;
break;
case "srfp":
if (OpenedFile == null)
{
Console.WriteLine("There is no file opened!");
break;
}
try
{
fh = OpenedFile;
if (!fh.SetReadingFilePointer(int.Parse(fields[1])))
{
Console.WriteLine("srfp: unknown error");
}
}
catch (Exception ex)
{
Console.WriteLine("srfp: missing operand or wrong operand");
}
break;
case "swfp":
if (OpenedFile == null)
{
Console.WriteLine("There is no file opened!");
break;
}
try
{
fh = OpenedFile;
if (!fh.SetWritingFilePointer(int.Parse(fields[1])))
{
Console.WriteLine("swfp: unknown error");
}
}
catch (Exception ex)
{
Console.WriteLine("swfp: missing operand or wrong operand");
}
break;
case "rnbytes":
if (OpenedFile == null)
{
Console.WriteLine("There is no file opened!");
break;
}
try
{
fh = OpenedFile;
Console.WriteLine(Encoding.UTF8.GetString(fh.ReadNumberOfBytes(int.Parse(fields[1]))));
}
catch (Exception ex)
{
Console.WriteLine("rnbytes: missing operand or wrong operand");
}
break;
case "wnbytes":
if (OpenedFile == null)
{
Console.WriteLine("There is no file opened!");
break;
}
try
{
fh = OpenedFile;
string text = "";
for (int i = 1; i < fields.Length; i++)
{
text += fields[i];
}
fh.WriteFromFilePointer(Encoding.UTF8.GetBytes(text));
}
catch (Exception ex)
{
Console.WriteLine("wnbytes: missing operand or wrong operand");
}
break;
case "tellp":
if (OpenedFile == null)
{
Console.WriteLine("There is no file opened!");
break;
}
fh = OpenedFile;
Console.WriteLine(fh.TellWritingPosition().ToString());
break;
case "tellg":
if (OpenedFile == null)
{
Console.WriteLine("There is no file opened!");
break;
}
fh = OpenedFile;
Console.WriteLine(fh.TellReadingPosition().ToString());
break;
case "help":
if (fields.Count() < 2)
{
Console.WriteLine("Which of following commands do you want to see?");
Console.WriteLine(" -touch");
Console.WriteLine(" -mkdir");
Console.WriteLine(" -rm");
Console.WriteLine(" -cp");
Console.WriteLine(" -cat");
Console.WriteLine(" -openfile");
Console.WriteLine(" -wnbytes");
Console.WriteLine(" -rnbytes");
Console.WriteLine(" -swfp");
Console.WriteLine(" -srfp");
Console.WriteLine(" -cfs");
Console.WriteLine(" -dfs");
Console.WriteLine(" -tellp");
Console.WriteLine(" -tellg");
}
else
{
Console.WriteLine(CommandDescription(fields[1]));
}
break;
}
}
}
}