16 lines
		
	
	
		
			422 B
		
	
	
	
		
			Factor
		
	
	
		
		
			
		
	
	
			16 lines
		
	
	
		
			422 B
		
	
	
	
		
			Factor
		
	
	
|  | ! Copyright (C) 2009 Doug Coleman. | ||
|  | ! See http://factorcode.org/license.txt for BSD license. | ||
|  | USING: sequences math kernel strings combinators.short-circuit ;
 | ||
|  | IN: quoting | ||
|  | 
 | ||
|  | : quote? ( ch -- ? ) "'\"" member? ;
 | ||
|  | 
 | ||
|  | : quoted? ( str -- ? )
 | ||
|  |     { | ||
|  |         [ length 1 > ] | ||
|  |         [ first quote? ] | ||
|  |         [ [ first ] [ peek ] bi = ] | ||
|  |     } 1&& ;
 | ||
|  | 
 | ||
|  | : unquote ( str -- newstr )
 | ||
|  |     dup quoted? [ but-last-slice rest-slice >string ] when ;
 |