VirtualPathUtility.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / VirtualPathUtility.cs / 1305376 / VirtualPathUtility.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 * VirtualPathUtility class 
 *
 * Copyright (c) 2004 Microsoft Corporation 
 */

namespace System.Web {
 
using System.Web.Util;
using System.Security.Permissions; 
 
/*
 * Code to perform virtual path operations 
 */
public static class VirtualPathUtility {

    /* Discover virtual path type */ 

    public static bool IsAbsolute(string virtualPath) { 
        VirtualPath virtualPathObject = VirtualPath.Create(virtualPath); 
        return !virtualPathObject.IsRelative && virtualPathObject.VirtualPathStringIfAvailable != null;
    } 

    public static bool IsAppRelative(string virtualPath) {
        VirtualPath virtualPathObject = VirtualPath.Create(virtualPath);
        return virtualPathObject.VirtualPathStringIfAvailable == null; 
    }
 
    /* Convert between virtual path types */ 
    public static string ToAppRelative(string virtualPath) {
        VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath); 
        return virtualPathObject.AppRelativeVirtualPathString;
    }

    public static string ToAppRelative(string virtualPath, string applicationPath) { 
        VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath);
 
        // If it was already app relative, just return it 
        if (virtualPathObject.AppRelativeVirtualPathStringIfAvailable != null)
            return virtualPathObject.AppRelativeVirtualPathStringIfAvailable; 

        VirtualPath appVirtualPath = VirtualPath.CreateAbsoluteTrailingSlash(applicationPath);

        return UrlPath.MakeVirtualPathAppRelative(virtualPathObject.VirtualPathString, 
            appVirtualPath.VirtualPathString, true /*nullIfNotInApp*/);
    } 
 
    public static string ToAbsolute(string virtualPath) {
        VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath); 
        return virtualPathObject.VirtualPathString;
    }

    public static string ToAbsolute(string virtualPath, string applicationPath) { 
        VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath);
 
        // If it was already absolute, just return it 
        if (virtualPathObject.VirtualPathStringIfAvailable != null)
            return virtualPathObject.VirtualPathStringIfAvailable; 

        VirtualPath appVirtualPath = VirtualPath.CreateAbsoluteTrailingSlash(applicationPath);

        return UrlPath.MakeVirtualPathAppAbsolute(virtualPathObject.AppRelativeVirtualPathString, 
            appVirtualPath.VirtualPathString);
    } 
 

    /* Get pieces of virtual path */ 
    public static string GetFileName(string virtualPath) {
        VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath);
        return virtualPathObject.FileName;
    } 

    public static string GetDirectory(string virtualPath) { 
        VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath); 

        virtualPathObject = virtualPathObject.Parent; 
        if (virtualPathObject == null)
            return null;

        return virtualPathObject.VirtualPathStringWhicheverAvailable; 
    }
 
    public static string GetExtension(string virtualPath) { 
        VirtualPath virtualPathObject = VirtualPath.Create(virtualPath);
        return virtualPathObject.Extension; 
    }

    /* Canonicalize virtual paths */
    public static string AppendTrailingSlash(string virtualPath) { 
        return UrlPath.AppendSlashToPathIfNeeded(virtualPath);
    } 
 
    public static string RemoveTrailingSlash(string virtualPath) {
        return UrlPath.RemoveSlashFromPathIfNeeded(virtualPath); 
    }

// Removing Reduce per DevDiv 43118
#if OLD 
    public static string Reduce(string virtualPath) {
        VirtualPath virtualPathObject = VirtualPath.CreateNonRelative(virtualPath); 
        return virtualPathObject.VirtualPathString; 
    }
#endif 

    /* Work with multiple virtual paths */
    public static string Combine(string basePath, string relativePath) {
        VirtualPath virtualPath = VirtualPath.Combine(VirtualPath.CreateNonRelative(basePath), 
            VirtualPath.Create(relativePath));
        return virtualPath.VirtualPathStringWhicheverAvailable; 
    } 

    public static string MakeRelative(string fromPath, string toPath) { 
        return UrlPath.MakeRelative(fromPath, toPath);
    }
}
 

} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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