/*
* FCKeditor - The text editor for Internet - http://www.fckeditor.net
* Copyright (C) 2003-2007 Frederico Caldeira Knabben
*
* == BEGIN LICENSE ==
*
* Licensed under the terms of any of the following licenses at your
* choice:
*
* - GNU General Public License Version 2 or later (the "GPL")
* http://www.gnu.org/licenses/gpl.html
*
* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
* http://www.gnu.org/licenses/lgpl.html
*
* - Mozilla Public License Version 1.1 or later (the "MPL")
* http://www.mozilla.org/MPL/MPL-1.1.html
*
* == END LICENSE ==
*
* Useful tools.
*/
using System ;
using System.Runtime.InteropServices ;
using System.IO ;
using System.Collections ;
namespace FredCK.FCKeditorV2
{
internal sealed class Util
{
// The "_mkdir" function is used by the "CreateDirectory" method.
[DllImport("msvcrt.dll", SetLastError=true)]
private static extern int _mkdir(string path) ;
private Util()
{}
///
/// This method should provide safe substitude for Directory.CreateDirectory().
///
/// The directory path to be created.
/// A
///
///
/// This method creates all the directory structure if needed.
///
///
/// The System.IO.Directory.CreateDirectory() method has a bug that gives an
/// error when trying to create a directory AND the user has no rights defined
/// in one of its parent directories. The CreateDirectory() should be a good
/// replacement to solve this problem.
///
///
public static DirectoryInfo CreateDirectory( string path )
{
// Create the directory info object for that dir (normalized to its absolute representation).
DirectoryInfo oDir = new DirectoryInfo( Path.GetFullPath( path ) ) ;
try
{
// Try to create the directory by using standard .Net features. (#415)
if ( !oDir.Exists )
oDir.Create();
return oDir;
}
catch
{
CreateDirectoryUsingDll( oDir );
return new DirectoryInfo( path );
}
}
private static void CreateDirectoryUsingDll( DirectoryInfo dir )
{
// On some occasion, the DirectoryInfo.Create() function will
// throw an error due to a bug in the .Net Framework design. For
// example, it may happen that the user has no permissions to
// list entries in a lower level in the directory path, AND the
// Create() call will simply fail.
// To workaround it, we use mkdir directly.
ArrayList oDirsToCreate = new ArrayList();
// Check the entire path structure to find directories that must be created.
while ( dir != null && !dir.Exists )
{
oDirsToCreate.Add( dir.FullName );
dir = dir.Parent;
}
// "dir == null" means that the check arrives in the root AND it doesn't exist too.
if ( dir == null )
throw ( new System.IO.DirectoryNotFoundException( "Directory \"" + oDirsToCreate[ oDirsToCreate.Count - 1 ] + "\" not found." ) );
// Create all directories that must be created (from bottom to top).
for ( int i = oDirsToCreate.Count - 1 ; i >= 0 ; i-- )
{
string sPath = (string)oDirsToCreate[ i ];
int iReturn = _mkdir( sPath );
if ( iReturn != 0 )
throw new ApplicationException( "Error calling [msvcrt.dll]:_wmkdir(" + sPath + "), error code: " + iReturn );
}
}
public static bool ArrayContains( Array array, object value, System.Collections.IComparer comparer )
{
foreach ( object item in array )
{
if ( comparer.Compare( item, value ) == 0 )
return true;
}
return false;
}
}
}