trace.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
      */
      
      DEFINE( 'ERROR' , 'error' );
      DEFINE( 'NOTIFICATION' , 'notification' );
      DEFINE( 'COMMON' , 'common' );
      DEFINE( 'QUERY' , 'query' );

      class trace_1_0_0{

            var                           $StoreTrace = true;

            var                           $TraceStrings = array();

            var                           $Templates = array();

            var                           $CachedMultyFS = false;
            var                           $String = false;

            function                __construct()
            {
                  try
                  {
                        $this->CachedMultyFS = get_package( 'cached_multy_fs' , 'last' , __FILE__ );
                        $this->String = get_package( 'string' , 'last' , __FILE__ );

                        $Data = array( 
                              ERROR => 'trace_line_error.tpl' , COMMON => 'trace_line_common.tpl' , 
                              NOTIFICATION => 'trace_line_notification.tpl' , QUERY => 'trace_line_query.tpl' , 
                              'start_group' => 'trace_start_group.tpl' , 'end_group' => 'trace_end_group.tpl'
                        );

                        foreach( $Data as $Key => $Value )
                        {
                              $this->Templates[ $Key ] = $this->CachedMultyFS->get_template( __FILE__ , $Value );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            function                add_trace_string( $Str , $Type = COMMON )
            {
                  try
                  {
                        if( $this->StoreTrace )
                        {
                              $Template = str_replace( '{string}' , $Str , $this->Templates[ $Type ] );

                              $this->TraceStrings [] = array( 'name' => 'string' , 'content' => $Template );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            function                start_group( $Str )
            {
                  try
                  {
                        if( $this->StoreTrace )
                        {
                              $Template = str_replace( '{string}' , $Str , $this->Templates[ 'start_group' ] );
                              $Template = str_replace( '{i}' , count( $this->TraceStrings ) , $Template );

                              $this->TraceStrings [] = array( 'name' => 'start_group' , 'content' => $Template );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            function                end_group( $Count = 1 )
            {
                  try
                  {
                        if( $this->StoreTrace )
                        {
                              for( $i = 0 ; $i < $Count ; $i++ )
                              {
                                    $this->TraceStrings [] = array( 
                                          'name' => 'end_group' , 'content' => $this->Templates[ 'end_group' ]
                                    );
                              }
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            function                add_action( $ActionName , $ActionDescription )
            {
                  try
                  {
                        if( $this->StoreTrace )
                        {
                              $Database = get_package( 'database' );
                              $Database->insert( 
                                    'umx_action' , "action_name , time , info" , 
                                    "'".htmlspecialchars( $ActionName , ENT_QUOTES )."', NOW() ,'".
                                          htmlspecialchars( $ActionDescription , ENT_QUOTES )."'"
                              );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            private function  remove_empty_leaves()
            {
                  try
                  {
                        $Counter = 0;

                        for( $i = 0 ; $i < count( $this->TraceStrings ) ; )
                        {
                              if( get_field( $this->TraceStrings[ $i ] , 'name' ) == 'start_group' &&
                                    get_field( $this->TraceStrings[ $i + 1 ] , 'name' ) == 'end_group' )
                              {
                                    $Counter++;
                                    array_splice( $this->TraceStrings , $i , 2 );
                              }
                              else
                              {
                                    $i++;
                              }
                        }

                        return( $Counter );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            private function  remove_empty_tags()
            {
                  try
                  {
                        for( ; $this->remove_empty_leaves() ; );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            private function  compile_trace_items()
            {
                  try
                  {
                        $this->remove_empty_tags();

                        $Output  = $this->CachedMultyFS->get_template( __FILE__ , 'trace_start.tpl' );
                        $Output .= implode_ex( '' , $this->TraceStrings , 'content' );
                        $Output .= $this->CachedMultyFS->get_template( __FILE__ , 'trace_end.tpl' );
                        $Output = str_replace( 
                              '{output}' , $Output , $this->CachedMultyFS->get_template( __FILE__ , 'trace.tpl' )
                        );

                        return( $Output );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            function                compile_trace()
            {
                  try
                  {
                        if( $this->StoreTrace )
                        {
                              $Output = $this->compile_trace_items();

                              $TraceBlock = $this->CachedMultyFS->get_template( __FILE__ , 'trace_block.tpl' );
                              $TraceBlock = str_replace( '{output}' , $Output , $TraceBlock );

                              return( $TraceBlock );
                        }
                        else
                        {
                              return( '{lang:trace_switched_off}' );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

            function                __toString()
            {
                  try
                  {
                        return( "" );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      }

?>