Filesystem.New
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@ -44,30 +44,47 @@ public static class StringConverter
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public static bool StartsWith(this string s, char c) => s[0] == c;
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public static bool EndsWith(this string s, char c) => s[s.Length - 1] == c;
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public static string MergeToString(params object[] parts)
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public static string MergeToString<TVal>(params TVal[] parts)
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{
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if (parts.Length == 0)
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return "";
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StringBuilder builder = new();
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for (int i = 0; i < parts.Length; i++)
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builder.Append(parts[i]);
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return builder.ToString();
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}
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public static string MergeToString<T>(this IEnumerable<T> collection, string separator)
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public static string MergeToString<TVal, TSep>(TSep separator, params TVal[] parts)
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{
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StringBuilder builder = new();
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foreach (T elem in collection)
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{
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builder.Append(elem);
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builder.Append(separator);
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}
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if (builder.Length == 0)
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if (parts.Length == 0)
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return "";
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builder.Remove(builder.Length - separator.Length, separator.Length);
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StringBuilder builder = new();
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builder.Append(parts[0]);
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for (int i = 1; i < parts.Length; i++)
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{
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builder.Append(separator);
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builder.Append(parts[i]);
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}
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return builder.ToString();
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}
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public static string MergeToString<T>(this IEnumerable<T> collection)
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public static string MergeToString<TVal, TSep>(this IEnumerable<TVal> collection, TSep separator)
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{
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StringBuilder builder = new();
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foreach (T elem in collection)
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using var e = collection.GetEnumerator();
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if(e.MoveNext())
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builder.Append(e.Current);
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while (e.MoveNext())
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{
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builder.Append(separator);
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builder.Append(e.Current);
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}
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return builder.ToString();
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}
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public static string MergeToString<TVal>(this IEnumerable<TVal> collection)
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{
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StringBuilder builder = new();
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foreach (var elem in collection)
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builder.Append(elem);
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return builder.ToString();
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}
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@ -3,7 +3,7 @@ namespace DTLib.Filesystem;
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public static class File
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{
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public static int GetSize(string file) => new System.IO.FileInfo(file).Length.ToInt();
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public static long GetSize(string file) => new System.IO.FileInfo(file).Length;
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public static bool Exists(string file) => System.IO.File.Exists(file);
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@ -32,9 +32,10 @@ public static class File
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public static byte[] ReadAllBytes(string file)
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{
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using System.IO.FileStream stream = OpenRead(file);
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int size = GetSize(file);
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int size = GetSize(file).ToInt();
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byte[] output = new byte[size];
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stream.Read(output, 0, size);
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if (stream.Read(output, 0, size) < size)
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throw new Exception("can't read all bytes");
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stream.Close();
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return output;
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}
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120
DTLib/Filesystem/New/Directory.cs
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120
DTLib/Filesystem/New/Directory.cs
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@ -0,0 +1,120 @@
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namespace DTLib.Filesystem.New;
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public static class Directory
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{
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public static bool Exists(string dir) => System.IO.Directory.Exists(dir);
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// создает папку, если её не существует
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public static void Create(string dir)
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{
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if (!Exists(dir))
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{
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// проверяет существование папки, в которой нужно создать dir
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if (dir.Contains(Путь.Разд) && !Exists(dir.Remove(dir.LastIndexOf(Путь.Разд))))
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Create(dir.Remove(dir.LastIndexOf(Путь.Разд)));
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System.IO.Directory.CreateDirectory(dir);
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}
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}
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// копирует все файлы и папки
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public static void Copy(string source_dir, string new_dir, bool owerwrite = false)
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{
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Create(new_dir);
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var subdirs = new List<string>();
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List<string> files = GetAllFiles(source_dir, ref subdirs);
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for (int i = 0; i < subdirs.Count; i++)
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Create(subdirs[i].Replace(source_dir, new_dir));
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for (int i = 0; i < files.Count; i++)
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File.Copy(files[i], files[i].Replace(source_dir, new_dir), owerwrite);
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}
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// копирует все файлы и папки и выдаёт список конфликтующих файлов
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public static void Copy(string source_dir, string new_dir, out List<string> conflicts, bool owerwrite = false)
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{
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conflicts = new List<string>();
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var subdirs = new List<string>();
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List<string> files = GetAllFiles(source_dir, ref subdirs);
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Create(new_dir);
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for (int i = 0; i < subdirs.Count; i++)
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Create(subdirs[i].Replace(source_dir, new_dir));
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for (int i = 0; i < files.Count; i++)
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{
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string newfile = files[i].Replace(source_dir, new_dir);
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if (File.Exists(newfile))
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conflicts.Add(newfile);
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File.Copy(files[i], newfile, owerwrite);
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}
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}
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// удаляет папку со всеми подпапками и файлами
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public static void Delete(string dir)
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{
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var subdirs = new List<string>();
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List<string> files = GetAllFiles(dir, ref subdirs);
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for (int i = 0; i < files.Count; i++)
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File.Delete(files[i]);
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for (int i = subdirs.Count - 1; i >= 0; i--)
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{
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Log($"deleting {subdirs[i]}");
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if (Exists(subdirs[i]))
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System.IO.Directory.Delete(subdirs[i], true);
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}
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Log($"deleting {dir}");
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if (Exists(dir))
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System.IO.Directory.Delete(dir, true);
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}
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public static string[] GetFiles(string dir) => System.IO.Directory.GetFiles(dir);
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public static string[] GetFiles(string dir, string searchPattern) => System.IO.Directory.GetFiles(dir, searchPattern);
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public static string[] GetDirectories(string dir) => System.IO.Directory.GetDirectories(dir);
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// выдает список всех файлов
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public static List<string> GetAllFiles(string dir)
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{
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var all_files = new List<string>();
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string[] cur_files = GetFiles(dir);
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for (int i = 0; i < cur_files.Length; i++)
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all_files.Add(cur_files[i]);
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string[] cur_subdirs = GetDirectories(dir);
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for (int i = 0; i < cur_subdirs.Length; i++)
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all_files.AddRange(GetAllFiles(cur_subdirs[i]));
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return all_files;
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}
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// выдает список всех файлов и подпапок в папке
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public static List<string> GetAllFiles(string dir, ref List<string> all_subdirs)
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{
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var all_files = new List<string>();
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string[] cur_files = GetFiles(dir);
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for (int i = 0; i < cur_files.Length; i++)
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all_files.Add(cur_files[i]);
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string[] cur_subdirs = GetDirectories(dir);
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for (int i = 0; i < cur_subdirs.Length; i++)
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{
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all_subdirs.Add(cur_subdirs[i]);
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all_files.AddRange(GetAllFiles(cur_subdirs[i], ref all_subdirs));
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}
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return all_files;
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}
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public static string GetCurrent() => System.IO.Directory.GetCurrentDirectory();
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public static void CreateSymlink(string sourceName, string symlinkName)
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{
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if (symlinkName.Contains(Путь.Разд))
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Create(symlinkName.Remove(symlinkName.LastIndexOf(Путь.Разд)));
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if (!Symlink.CreateSymbolicLink(symlinkName, sourceName, Symlink.SymlinkTarget.Directory))
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throw new InvalidOperationException($"some error occured while creating symlink\nDirectory.CreateSymlink({symlinkName}, {sourceName})");
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}
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// copies directory with symlinks instead of files
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public static int SymCopy(string srcdir, string newdir)
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{
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List<string> files = GetAllFiles(srcdir);
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if (!srcdir.EndsWith(Путь.Разд)) srcdir += Путь.Разд;
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if (!newdir.EndsWith(Путь.Разд)) newdir += Путь.Разд;
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int i = 0;
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for (; i < files.Count; i++)
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File.CreateSymlink(files[i], files[i].Replace(srcdir, newdir));
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return i;
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}
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}
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62
DTLib/Filesystem/New/File.cs
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62
DTLib/Filesystem/New/File.cs
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@ -0,0 +1,62 @@
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using System.IO;
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namespace DTLib.Filesystem.New;
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public class File
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{
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public enum FileOpenMode
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{
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// open a file for reading
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Read=1,
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// (re)create a file for writing
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Write=2,
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// opens file for writing additional data to the end / creates new file
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Append=4,
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// (re)creates file for reading/writing
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ReadWrite=Read|Write,
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// opens file for readng/writing additional data to the end / creates new file
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ReadAppend=Read|Append
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}
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public readonly FileOpenMode Mode;
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public readonly FileStream Stream;
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public string Name;
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public File(string path, FileOpenMode mode)
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{
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if(!Exists(path))
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{
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if (mode == FileOpenMode.Read)
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throw new Exception($"file <{path}> is not found");
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}
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Mode = mode;
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Stream = mode switch
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{
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FileOpenMode.Read => System.IO.File.Open(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite),
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FileOpenMode.Write => System.IO.File.Open(path, FileMode.Open, FileAccess.Write, FileShare.ReadWrite),
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FileOpenMode.Append => System.IO.File.Open(path, FileMode.Append, FileAccess.Write, FileShare.ReadWrite),
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FileOpenMode.ReadWrite => System.IO.File.Open(path, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite),
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FileOpenMode.ReadAppend => System.IO.File.Open(path, FileMode.Append, FileAccess.ReadWrite, FileShare.ReadWrite),
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_ => throw new Exception($"unknown file mode: {mode}")
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};
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}
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public static bool Exists(string path) => System.IO.File.Exists(path);
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public static void Create(string path)
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{
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if (Exists(path))
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throw new Exception($"file <{path} already exists");
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int sepIndex = path.LastIndexOf(Path.Sep);
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if (sepIndex>-1)
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Directory.Create(path.Remove(sepIndex));
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System.IO.File.Create(path).Close();
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}
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public static void Delete(string path) => System.IO.File.Delete(path);
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public void Delete(string path)
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{
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}
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}
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39
DTLib/Filesystem/New/Path.cs
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39
DTLib/Filesystem/New/Path.cs
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@ -0,0 +1,39 @@
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using System.Runtime.CompilerServices;
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namespace DTLib.Filesystem.New;
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public static class Path
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{
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public static readonly char Sep = Environment.OSVersion.Platform == PlatformID.Win32NT ? '\\' : '/';
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private static readonly char NotSep = Environment.OSVersion.Platform == PlatformID.Win32NT ? '/' : '\\' ;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static string Concat(string path, string addition) => $"{path}{Sep}{addition}";
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static string Concat(params string[] parts) => StringConverter.MergeToString(Sep, parts);
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public static string FixSeparators(string path)
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{
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var chars = path.ToCharArray();
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int length = path.Length;
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for(int i=0; i<length; i++)
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if (chars[i] == NotSep)
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chars[i] = Sep;
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return chars.ToString();
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static string Resolve(params string[] parts) => FixSeparators(Concat(parts));
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static string Resolve(string path, string addition) => FixSeparators(Concat(path, addition));
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void ThrowIfEscapes(string path)
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{
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if (path.Contains(".."))
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throw new Exception($"path <{path}> uses <..>, that's not allowed");
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}
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}
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