SyntaxCheck.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / ComponentModel / SyntaxCheck.cs / 1 / SyntaxCheck.cs
                        

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

namespace System.ComponentModel { 
    using System; 
    using System.Diagnostics;
    using System.IO; 
    using System.Runtime.InteropServices;
    using System.Security.Permissions;

    ///  
    /// 
    ///     SyntaxCheck 
    ///     Helper class to check for path and machine name syntax. 
    /// 
    [HostProtection(SharedState = true)] 
    public static class SyntaxCheck {
        /// 
        ///     Checks the syntax of the machine name (no "\" anywhere in it).
        ///  
        /// 
        public static bool CheckMachineName(string value) { 
            if (value == null) 
                return false;
 
            value = value.Trim();
            if (value.Equals(String.Empty))
                return false;
 
            // Machine names shouldn't contain any "\"
            return (value.IndexOf('\\') == -1); 
        } 

        ///  
        ///     Checks the syntax of the path (must start with "\\").
        /// 
        /// 
        public static bool CheckPath(string value) { 
            if (value == null)
                return false; 
 
            value = value.Trim();
            if (value.Equals(String.Empty)) 
                return false;

            // Path names should start with "\\"
            return value.StartsWith("\\\\"); 
        }
 
        ///  
        ///     Checks the syntax of the path (must start with "\" or drive letter "C:").
        ///     NOTE:  These denote a file or directory path!! 
        ///
        /// 
        /// 
        public static bool CheckRootedPath(string value) { 
            if (value == null)
                return false; 
 
            value = value.Trim();
            if (value.Equals(String.Empty)) 
                return false;

            // Is it rooted?
            return Path.IsPathRooted(value); 
        }
    } 
}

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