db_config_set.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 db_config_set_1_0_0{

            var                           $Config = false;

            var                           $ConfigPath = false;

            var                           $CachedMultyFS = false;

            function                __construct()
            {
                  try
                  {
                        $this->CachedMultyFS = get_package( 'cached_multy_fs' , 'last' , __FILE__ );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            function                load_config( $ConfigPath )
            {
                  try
                  {
                        $this->Config = $this->CachedMultyFS->file_get_contents( $ConfigPath );

                        $this->Config = str_replace( "\r" , "\n" , $this->Config );
                        $this->Config = str_replace( "\n\n" , "\n" , $this->Config );
                        $this->Config = explode( "\n" , $this->Config );

                        $this->ConfigPath = $ConfigPath;
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            function                optimize_config_file( $i , $ConfigLine )
            {
                  try
                  {
                        if( $i != 0 )
                        {
                              $Content = $ConfigLine."\r\n";

                              foreach( $this->Config as $j => $ConfigLine2 )
                              {
                                    if( $i != $j && $ConfigLine2 != '' )
                                    {
                                          $Content .= $ConfigLine2."\r\n";
                                    }
                              }
                              $this->Config = $this->CachedMultyFS->file_put_contents( $this->ConfigPath , $Content );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            function                get_connection_for_config_line( $DBAdapter , $i , $ConfigLine )
            {
                  try
                  {
                        if( $ConfigLine != '' )
                        {
                              $DBAdapter->connect( $ConfigLine );

                              $this->optimize_config_file( $i , $ConfigLine );

                              return( $DBAdapter->get_connection() );
                        }

                        return( false );
                  }
                  catch( Exception $e )
                  {
                        return( false );
                  }
            }

            function                connect( $DBAdapter )
            {
                  try
                  {
                        if( $this->Config == false )
                        {
                              throw( new Exception( 'Config was not loaded' ) );
                        }

                        foreach( $this->Config as $i => $ConfigLine )
                        {
                              $Connection = $this->get_connection_for_config_line( $DBAdapter , $i , $ConfigLine );

                              if( $Connection !== false )
                              {
                                    return( $Connection );
                              }
                        }

                        throw( new Exception( "Unable to connect to the database" ) );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      }

?>