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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | // MonoGame - Copyright (C) The MonoGame Team// This file is subject to the terms and conditions defined in// file 'LICENSE.txt', which is part of this source code package.using System;using System.IO;namespace Microsoft.Xna.Framework.Utilities{ internal static class FileHelpers { public static readonly char ForwardSlash = '/'; public static readonly string ForwardSlashString = new string(ForwardSlash, 1); public static readonly char BackwardSlash = '\\';#if WINRT public static readonly char NotSeparator = ForwardSlash; public static readonly char Separator = BackwardSlash;#else public static readonly char NotSeparator = Path.DirectorySeparatorChar == BackwardSlash ? ForwardSlash : BackwardSlash; public static readonly char Separator = Path.DirectorySeparatorChar;#endif public static string NormalizeFilePathSeparators(string name) { return name.Replace(NotSeparator, Separator); } /// <summary> /// Combines the filePath and relativeFile based on relativeFile being a file in the same location as filePath. /// Relative directory operators (..) are also resolved /// </summary> /// <example>"A\B\C.txt","D.txt" becomes "A\B\D.txt"</example> /// <example>"A\B\C.txt","..\D.txt" becomes "A\D.txt"</example> /// <param name="filePath">Path to the file we are starting from</param> /// <param name="relativeFile">Relative location of another file to resolve the path to</param> public static string ResolveRelativePath(string filePath, string relativeFile) { // Uri accepts forward slashes filePath = filePath.Replace(BackwardSlash, ForwardSlash); bool hasForwardSlash = filePath.StartsWith(ForwardSlashString); if (!hasForwardSlash) filePath = ForwardSlashString + filePath; // Get a uri for filePath using the file:// schema and no host. var dst = new Uri(src, relativeFile); // The uri now contains the path to the relativeFile with // relative addresses resolved... get the local path. var localPath = dst.LocalPath; if (!hasForwardSlash && localPath.StartsWith("/")) localPath = localPath.Substring(1); // Convert the directory separator characters to the // correct platform specific separator. return NormalizeFilePathSeparators(localPath); } }} |
