95 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Factor
		
	
	
		
		
			
		
	
	
			95 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Factor
		
	
	
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								! Copyright (C) 2003, 2007 Slava Pestov.
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								! See http://factorcode.org/license.txt for BSD license.
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								IN: io
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								USING: hashtables generic kernel math namespaces
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								sequences strings continuations assocs io.styles sbufs ;
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								GENERIC: stream-close ( stream -- )
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								GENERIC: set-timeout ( n stream -- )
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								GENERIC: stream-readln ( stream -- str )
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								GENERIC: stream-read1 ( stream -- ch/f )
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								GENERIC: stream-read ( n stream -- str/f )
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								GENERIC: stream-read-until ( seps stream -- str/f sep/f )
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								GENERIC: stream-read-partial ( max stream -- str/f )
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								GENERIC: stream-write1 ( ch stream -- )
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								GENERIC: stream-write ( str stream -- )
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								GENERIC: stream-flush ( stream -- )
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								GENERIC: stream-nl ( stream -- )
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								GENERIC: stream-format ( str style stream -- )
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								GENERIC: make-span-stream ( style stream -- stream' )
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								GENERIC: make-block-stream ( style stream -- stream' )
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								GENERIC: make-cell-stream ( style stream -- stream' )
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								GENERIC: stream-write-table ( table-cells style stream -- )
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								: stream-print ( str stream -- )
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								    [ stream-write ] keep stream-nl ;
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								: (stream-copy) ( in out -- )
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								    64 1024 * pick stream-read
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								    [ over stream-write (stream-copy) ] [ 2drop ] if* ;
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								: stream-copy ( in out -- )
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								    [ 2dup (stream-copy) ] [ stream-close stream-close ] [ ]
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								    cleanup ;
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								! Default stream
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								SYMBOL: stdio
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								: close ( -- ) stdio get stream-close ;
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								: readln ( -- str/f ) stdio get stream-readln ;
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								: read1 ( -- ch/f ) stdio get stream-read1 ;
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								: read ( n -- str/f ) stdio get stream-read ;
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								: read-until ( seps -- str/f sep/f ) stdio get stream-read-until ;
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								: write1 ( ch -- ) stdio get stream-write1 ;
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								: write ( str -- ) stdio get stream-write ;
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								: flush ( -- ) stdio get stream-flush ;
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								: nl ( -- ) stdio get stream-nl ;
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								: format ( str style -- ) stdio get stream-format ;
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								: with-stream* ( stream quot -- )
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								    stdio swap with-variable ; inline
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								: with-stream ( stream quot -- )
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								    swap [ [ close ] [ ] cleanup ] with-stream* ; inline
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								: tabular-output ( style quot -- )
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								    swap >r { } make r> stdio get stream-write-table ; inline
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								: with-row ( quot -- )
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								    { } make , ; inline
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								: with-cell ( quot -- )
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								    H{ } stdio get make-cell-stream
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								    [ swap with-stream ] keep , ; inline
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								: write-cell ( str -- )
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								    [ write ] with-cell ; inline
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								: with-style ( style quot -- )
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								    swap dup assoc-empty? [
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								        drop call
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								    ] [
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								        stdio get make-span-stream swap with-stream
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								    ] if ; inline
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								: with-nesting ( style quot -- )
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								    >r stdio get make-block-stream r> with-stream ; inline
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								: print ( string -- ) stdio get stream-print ;
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								: bl ( -- ) " " write ;
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								: write-object ( str obj -- )
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								    presented associate format ;
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								: lines-loop ( -- ) readln [ , lines-loop ] when* ;
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								: lines ( stream -- seq )
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								    [ [ lines-loop ] { } make ] with-stream ;
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								: contents ( stream -- str )
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								    2048 <sbuf> [ stream-copy ] keep >string ;
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