125 lines
4.4 KiB
C#
125 lines
4.4 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="VirtualPathUtility.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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/*
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* VirtualPathUtility class
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*
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* Copyright (c) 2004 Microsoft Corporation
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*/
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namespace System.Web {
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using System.Web.Util;
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using System.Security.Permissions;
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/*
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* Code to perform virtual path operations
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*/
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public static class VirtualPathUtility {
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/* Discover virtual path type */
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public static bool IsAbsolute(string virtualPath) {
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VirtualPath virtualPathObject = VirtualPath.Create(virtualPath);
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return !virtualPathObject.IsRelative && virtualPathObject.VirtualPathStringIfAvailable != null;
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}
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public static bool IsAppRelative(string virtualPath) {
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VirtualPath virtualPathObject = VirtualPath.Create(virtualPath);
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return virtualPathObject.VirtualPathStringIfAvailable == null;
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}
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/* Convert between virtual path types */
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public static string ToAppRelative(string virtualPath) {
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VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath);
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return virtualPathObject.AppRelativeVirtualPathString;
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}
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public static string ToAppRelative(string virtualPath, string applicationPath) {
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VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath);
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// If it was already app relative, just return it
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if (virtualPathObject.AppRelativeVirtualPathStringIfAvailable != null)
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return virtualPathObject.AppRelativeVirtualPathStringIfAvailable;
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VirtualPath appVirtualPath = VirtualPath.CreateAbsoluteTrailingSlash(applicationPath);
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return UrlPath.MakeVirtualPathAppRelative(virtualPathObject.VirtualPathString,
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appVirtualPath.VirtualPathString, true /*nullIfNotInApp*/);
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}
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public static string ToAbsolute(string virtualPath) {
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VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath);
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return virtualPathObject.VirtualPathString;
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}
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public static string ToAbsolute(string virtualPath, string applicationPath) {
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VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath);
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// If it was already absolute, just return it
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if (virtualPathObject.VirtualPathStringIfAvailable != null)
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return virtualPathObject.VirtualPathStringIfAvailable;
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VirtualPath appVirtualPath = VirtualPath.CreateAbsoluteTrailingSlash(applicationPath);
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return UrlPath.MakeVirtualPathAppAbsolute(virtualPathObject.AppRelativeVirtualPathString,
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appVirtualPath.VirtualPathString);
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}
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/* Get pieces of virtual path */
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public static string GetFileName(string virtualPath) {
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VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath);
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return virtualPathObject.FileName;
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}
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public static string GetDirectory(string virtualPath) {
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VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath);
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virtualPathObject = virtualPathObject.Parent;
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if (virtualPathObject == null)
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return null;
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return virtualPathObject.VirtualPathStringWhicheverAvailable;
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}
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public static string GetExtension(string virtualPath) {
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VirtualPath virtualPathObject = VirtualPath.Create(virtualPath);
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return virtualPathObject.Extension;
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}
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/* Canonicalize virtual paths */
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public static string AppendTrailingSlash(string virtualPath) {
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return UrlPath.AppendSlashToPathIfNeeded(virtualPath);
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}
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public static string RemoveTrailingSlash(string virtualPath) {
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return UrlPath.RemoveSlashFromPathIfNeeded(virtualPath);
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}
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// Removing Reduce per DevDiv 43118
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#if OLD
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public static string Reduce(string virtualPath) {
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VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath);
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return virtualPathObject.VirtualPathString;
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}
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#endif
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/* Work with multiple virtual paths */
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public static string Combine(string basePath, string relativePath) {
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VirtualPath virtualPath = VirtualPath.Combine(VirtualPath.CreateNonRelative(basePath),
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VirtualPath.Create(relativePath));
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return virtualPath.VirtualPathStringWhicheverAvailable;
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}
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public static string MakeRelative(string fromPath, string toPath) {
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return UrlPath.MakeRelative(fromPath, toPath);
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}
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}
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}
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