nl_tokens: Reads the data from the file starting at the file offset .
pl_tokens: function ( config ) { var me = this ; Ext . device . Communicator . send ( { command : 'FileSystem#read' , path : this . path , fileSystemId : this . fileSystem . id , offset : this . offset , length : config . length , callbacks : { success : function ( result ) { <mask> . offset = result . offset ; if ( config . success ) { config . success . call ( config . scope || this , result . data ) ; } } , failure : function ( error ) { if ( config . failure ) { config . failure . call ( config . scope || this , error ) ; } } } , scope : config . scope || this } ) ; }