ApplicationDirectory.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 / clr / src / BCL / System / Security / Policy / ApplicationDirectory.cs / 1 / ApplicationDirectory.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
//  ApplicationDirectory.cs
// 
//  ApplicationDirectory is an evidence type representing the directory the assembly 
//  was loaded from.
// 

namespace System.Security.Policy {

    using System; 
    using System.IO;
    using System.Security.Util; 
    using System.Collections; 

    [Serializable] 
[System.Runtime.InteropServices.ComVisible(true)]
    sealed public class ApplicationDirectory : IBuiltInEvidence
    {
        private URLString m_appDirectory; 

        internal ApplicationDirectory() 
        { 
            m_appDirectory = null;
        } 

        public ApplicationDirectory( String name )
        {
            if (name == null) 
                throw new ArgumentNullException( "name" );
 
            m_appDirectory = new URLString( name ); 
        }
 
        public String Directory
        {
            get
            { 
                return m_appDirectory.ToString();
            } 
        } 

        public override bool Equals(Object o) 
        {
            if (o == null)
                return false;
 
            if (o is ApplicationDirectory)
            { 
                ApplicationDirectory appDir = (ApplicationDirectory) o; 

                if (this.m_appDirectory == null) 
                {
                    return appDir.m_appDirectory == null;
                }
                else if (appDir.m_appDirectory == null) 
                {
                    return false; 
                } 
                else
                { 
                    return this.m_appDirectory.IsSubsetOf( appDir.m_appDirectory ) && appDir.m_appDirectory.IsSubsetOf( this.m_appDirectory );
                }
            }
            return false; 
        }
 
        public override int GetHashCode() 
        {
            return this.Directory.GetHashCode(); 
        }

        public Object Copy()
        { 
            ApplicationDirectory appDir = new ApplicationDirectory();
 
            appDir.m_appDirectory = this.m_appDirectory; 

            return appDir; 
        }

        internal SecurityElement ToXml()
        { 
            SecurityElement root = new SecurityElement( "System.Security.Policy.ApplicationDirectory" );
            // If you hit this assert then most likely you are trying to change the name of this class. 
            // This is ok as long as you change the hard coded string above and change the assert below. 
            BCLDebug.Assert( this.GetType().FullName.Equals( "System.Security.Policy.ApplicationDirectory" ), "Class name changed!" );
 
            root.AddAttribute( "version", "1" );

            if (m_appDirectory != null)
                root.AddChild( new SecurityElement( "Directory", m_appDirectory.ToString() ) ); 

            return root; 
        } 

        ///  
        int IBuiltInEvidence.OutputToBuffer( char[] buffer, int position, bool verbose )
        {
            buffer[position++] = BuiltInEvidenceHelper.idApplicationDirectory;
            String directory = this.Directory; 
            int length = directory.Length;
 
            if (verbose) 
            {
                BuiltInEvidenceHelper.CopyIntToCharArray(length, buffer, position); 
                position += 2;
            }
            directory.CopyTo( 0, buffer, position, length );
            return length + position; 
        }
 
        ///  
        int IBuiltInEvidence.InitFromBuffer( char[] buffer, int position)
        { 
            int length = BuiltInEvidenceHelper.GetIntFromCharArray(buffer, position);
            position += 2;

            m_appDirectory = new URLString( new String(buffer, position, length )); 

            return position + length; 
        } 

        ///  
        int IBuiltInEvidence.GetRequiredSize(bool verbose)
        {
            if (verbose)
                return this.Directory.Length + 3; // Directory + identifier + length 
            else
                return this.Directory.Length + 1; // Directory + identifier 
        } 

        public override String ToString() 
 		{
			return ToXml().ToString();
		}
    } 
}

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