import "http://www.eclipse.org/emf/2002/Ecore" as ecore

LibModel:
  (types+=Type)*;            

Type:
  LibComment1|NonEmpityLine|AtShell |Version| languages;

  LcfComment1: 
  	text=HASH_COMMENT
  	  ;  
 
  AtShell:
     "@" ShellName=ID ('=' DOUBLE|INT|'-'INT)?
	;
	
  Version:
  	{Version}
  '@logstart' ('='startNumber=(DOUBLE|'X' ))?;	
	
	languages:
		{languages}
		'@translators=' mytrans=(myID ) ;

 NonEmpityLine : 

   	//allow users leave some space between of parameters

   	Writer=Writer  ':'  WritersBooks=WritersBooks':'  NELTranslator=NELTranslator':'  ('store')?   ( isbn=isbn',' pageNumber=pageNumber)?   (',' Amaunt=Amaunt)?     (':')?

(filter=filter ('&&') | ('||') | ('==') filtered=filtered)?
		
   ;

filtered:
	filtered=Words
;


filter:
	filter=Words
;
NELTranslator:
	NELTranslator= Characters 
;

Writer:
	Writer=Words
;

WritersBooks:
	WritersBooks= Words
;

isbn:
	{isbn}
		isbn= ('-')?((INT)|DOUBLE)
;

pageNumber:
	
	{pageNumber}
	pageNumber=('-')?((INT)|DOUBLE)
;

//for new orders it might me negative value
Amaunt:
	{Amaunt}
	Amaunt=('-')?((INT)|DOUBLE)
	
;

 Words hidden ():  	ID (WS ID)*   ;
 
 Characters hidden () :   myID (WS myID)* ;

   
 terminal WS : (' '|'\t'|'\r'|'\n')+     ;
  
 terminal HASH_COMMENT 	:  '#' !('\n'|'\r')* ('\r'? '\n')?      ;
 
 terminal ID :	'^'?('a'..'z'|'A'..'Z'|'_'|'.') ('a'..'z'|'A'..'Z'|'_'|'0'..'9'|'.')* 	  ;
 	  
 terminal DOUBLE : INT '.' INT;
 
 terminal INT returns ecore::EInt:	('0'..'9')+  ;
	
 terminal myID: '^'?('a'..'z'|'A'..'Z'|'_'|'.') ('a'..'z'|'A'..'Z'|'_'|'0'..'9'|'%'|'['|']'|'('|')'|'.'|' '|','|'|' )* ;

 Words hidden ():  	ID   ;
 
 Characters hidden () :   myID ;

@Override
	public void provideHighlightingFor(XtextResource resource,
			IHighlightedPositionAcceptor acceptor) {

/*
    if(resource==null)
      return;	
    
     Iterable<AbstractNode> allNode= NodeUtil.getAllContents(resource.getParseResult().getRootNode());

  
*/
}