66 lines
1.8 KiB
Factor
66 lines
1.8 KiB
Factor
! Copyright (C) 2003, 2005 Slava Pestov.
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! See http://factor.sf.net/license.txt for BSD license.
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IN: io
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USING: errors generic hashtables kernel namespaces sequences
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strings styles ;
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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 ( -- string/f ) stdio get stream-readln ;
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: read1 ( -- char/f ) stdio get stream-read1 ;
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: read ( count -- string ) stdio get stream-read ;
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: write1 ( char -- ) stdio get stream-write1 ;
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: write ( string -- ) stdio get stream-write ;
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: flush ( -- ) stdio get stream-flush ;
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: terpri ( -- ) stdio get stream-terpri ;
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: format ( string style -- ) stdio get stream-format ;
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: with-nesting ( style quot -- )
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swap stdio get with-nested-stream ;
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: print ( string -- ) stdio get stream-print ;
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: with-stream* ( stream quot -- )
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[ swap stdio set call ] with-scope ; inline
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: with-stream ( stream quot -- )
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swap [ [ close ] cleanup ] with-stream* ; inline
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SYMBOL: style-stack
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: >style ( style -- )
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dup hashtable? [ "Style must be a hashtable" throw ] unless
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style-stack [ ?push ] change ;
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: style> ( -- style ) style-stack get pop ;
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: with-style ( style quot -- )
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[ >r >style r> call style> drop ] with-scope ; inline
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: current-style ( -- style )
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style-stack get hash-concat ;
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: format* ( string -- ) current-style format ;
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: bl ( -- ) " " format* ;
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: with-nesting* ( style quot -- )
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swap [ current-style swap with-nesting ] with-style ; inline
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: write-object ( object quot -- )
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>r presented associate r> with-style ;
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: simple-object ( string object -- )
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[ format* ] write-object ;
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: write-outliner ( content caption -- )
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>r outline associate r> with-nesting* ;
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: simple-outliner ( string object content -- )
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[ simple-object ] write-outliner ;
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