cached_fs.php

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<?php

      /*
      *     This source code is a part of the Ultimix Project. 
      *     It is distributed under BSD license. All other third side source code (like tinyMCE) is distributed under 
      *     it's own license wich could be found from the corresponding files or sources. 
      *     This source code is provided "as is" without any warranties or garanties.
      *
      *     Have a nice day!
      *
      *     @url http://ultimix.sorceforge.net
      *
      *     @author Alexey "gdever" Dodonov
      */

      class cached_fs_1_0_0{
            
            var                           $MountedStorages = false;
            
            var                           $Cache;
            
            function                cached_fs_1_0_0()
            {
                  try
                  {
                        $this->Cache = get_package( 'cache' , 'last' , __FILE__ );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                reset()
            {
                  try
                  {
                        $this->Cache->reset();
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                store_file_exists_info( $OriginalFilePath , $ExistsFlag )
            {
                  try
                  {
                        if( $ExistsFlag !== false )
                        {
                              return( true );
                        }
                        else
                        {
                              $this->Cache->add_data( $OriginalFilePath , '_file_was_not_found' );
                              return( false );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                file_exists( $OriginalFilePath )
            {
                  try
                  {
                        $OriginalFilePath = str_replace( '/./' , '/' , $OriginalFilePath );
                        $Data = $this->Cache->get_data( $OriginalFilePath );
                        
                        if( $Data === false )
                        {
                              return( $this->store_file_exists_info( $OriginalFilePath , file_exists( $OriginalFilePath ) ) );
                        }
                        else
                        {
                              return( $Data == '_file_was_not_found' ? false : true );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                file_get_contents( $OriginalFilePath )
            {
                  try
                  {
                        $OriginalFilePath = str_replace( '/./' , '/' , $OriginalFilePath );
                        $Data = $this->Cache->get_data( $OriginalFilePath );
                        if( $Data !== false )
                        {
                              return( $Data );
                        }
                        else
                        {
                              $Data = @file_get_contents( $OriginalFilePath );
                              if( $Data !== false )
                              {
                                    $this->Cache->add_data( $OriginalFilePath , $Data );
                                    return( $Data );
                              }
                              else
                              {
                                    throw( new Exception( "File $OriginalFilePath was not found" ) );
                              }
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                file_put_contents( $OriginalFilePath , $Data )
            {
                  try
                  {
                        $OriginalFilePath = str_replace( '/./' , '/' , $OriginalFilePath );
                        if( $this->Cache->data_exists( $OriginalFilePath ) )
                        {
                              $this->Cache->set_data( $OriginalFilePath , $Data );
                        }
                        else
                        {
                              $this->Cache->add_data( $OriginalFilePath , $Data );
                        }
                        
                        @file_put_contents( $OriginalFilePath , $Data );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                flush()
            {
                  try
                  {
                        $this->Cache->flush();
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      }

?>