36 lines
1.1 KiB
Factor
36 lines
1.1 KiB
Factor
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! Copyright (C) 2006 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: generic hashtables kernel namespaces strings ;
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TUPLE: nested-style-stream style ;
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: do-nested-style ( style stream -- style delegate )
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[ nested-style-stream-style hash-union ] keep delegate ;
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: collapse-nested-style ( style delegate -- style delegate )
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dup nested-style-stream? [ do-nested-style ] when ;
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C: nested-style-stream ( style delegate -- stream )
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>r collapse-nested-style r>
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[ set-delegate ] keep
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[ set-nested-style-stream-style ] keep ;
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M: nested-style-stream stream-format
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do-nested-style stream-format ;
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M: nested-style-stream stream-write
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H{ } swap do-nested-style stream-format ;
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M: nested-style-stream stream-write1
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>r ch>string r> H{ } swap do-nested-style stream-format ;
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M: nested-style-stream with-nested-stream
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do-nested-style with-nested-stream ;
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M: nested-style-stream with-stream-table
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do-nested-style with-stream-table ;
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: with-style ( style quot -- )
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>r stdio get <nested-style-stream> r> with-stream* ; inline
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