code/FileSystem/FileSystem.cs

Go to the documentation of this file.

using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Reflection;

namespace Sylloge
{
    public static partial class FileSystem
    {
        public static void CreateDirectoryTree(string fullPath)
        {
            string top = (new System.IO.DirectoryInfo(fullPath)).Parent.FullName;
            if (!System.IO.Directory.Exists(top)) { Sylloge.FileSystem.CreateDirectoryTree(top); }
            try {
                System.IO.Directory.CreateDirectory(fullPath);
            } catch (Exception ex) {
                Sylloge.App.Out("Could not create directory (" + fullPath + ") - " + ex.ToString());
            }
        }

        public static bool CreateFile(string file, bool createTree = true)
        {
            if (System.IO.File.Exists(file)) { return true; }
            try {
                string dir = (new System.IO.FileInfo(file)).DirectoryName;
                if (!System.IO.Directory.Exists(dir)) {
                    if (!createTree) { return false; }
                    Sylloge.FileSystem.CreateDirectoryTree(dir);
                }
                System.IO.FileStream fh = System.IO.File.Create(file);
                fh.Close();
                System.Threading.Thread.Sleep(500);
            } catch (Exception ex) {
                Sylloge.App.Out("Could not create file (" + file + ") - " + ex.ToString());
            }
            return System.IO.File.Exists(file);
        }

        public static bool UnsafeCreateFile(string file, bool createTree = true)
        {
            if (System.IO.File.Exists(file)) { return true; }
            string dir = (new System.IO.FileInfo(file)).DirectoryName;
            if (!System.IO.Directory.Exists(dir)) {
                if (!createTree) { return false; }
                Sylloge.FileSystem.CreateDirectoryTree(dir);
            }
            System.IO.FileStream fh = System.IO.File.Create(file);
            fh.Close();
            System.Threading.Thread.Sleep(500);
            return System.IO.File.Exists(file);
        }

        public static void ZeroFile(string file)
        {
            if (System.IO.File.Exists(file)) {
                try {
                    System.IO.FileStream fh = new System.IO.FileStream(file, System.IO.FileMode.Truncate);
                    fh.SetLength(0);
                    fh.Close();
                } catch (Exception ex) {
                    Console.WriteLine("Could not zerio file ({0}) - {1}", file, ex);
                }    
            }
        }

        public static string DiskSpaceToString(ulong diskSpace)
        {
            string ByteType = "B";
            string Space = Convert.ToString(diskSpace);
            if (diskSpace > Sylloge.Memory.GiB) {
                ByteType = "GiB";
                Space = Math.Round((decimal)((double)diskSpace / (double)Sylloge.Memory.GiB), 3).ToString();
            } else if (diskSpace > Sylloge.Memory.MiB) {
                ByteType = "MiB";
                Space = Math.Round((decimal)((double)diskSpace / (double)Sylloge.Memory.MiB), 3).ToString();
            } else if (diskSpace > Sylloge.Memory.KiB) {
                ByteType = "KiB";
                Space = Math.Round((decimal)((double)diskSpace / (double)Sylloge.Memory.KiB), 3).ToString();
            }
            return Space + " " + ByteType;
        }

        private static string GetNewFileName(string oldFileName)
        {
            string val = string.Empty;
            if (!System.IO.File.Exists(oldFileName)) { return oldFileName; }
            string dir = (new System.IO.FileInfo(oldFileName)).DirectoryName;
            string ext = (new System.IO.FileInfo(oldFileName)).Extension;
            string fname = (new System.IO.FileInfo(oldFileName)).Name;
            fname = fname.Remove(fname.LastIndexOf(ext));
            string fmt = "{0} - {1}{2}";
            string tmpf = String.Format(fmt, fname, "00", ext);
            for (long i = 1; i < long.MaxValue; i++) {
                //val = dir + "\\" + fname + " - " + Index.ToString("00") + ext;
                val = System.IO.Path.Combine(dir, String.Format(fmt, fname, i.ToString("00"), ext));
                if (!System.IO.File.Exists(val)) { return val; }
            }
            throw new System.IO.IOException("Could not generate new file name");
        }
    }
}