106 lines
3.3 KiB
Factor
106 lines
3.3 KiB
Factor
! Copyright (C) 2003, 2007 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: hashtables generic kernel math namespaces make sequences
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continuations destructors assocs ;
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IN: io
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GENERIC: stream-readln ( stream -- str/f )
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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 ( n 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-partial
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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) ] [ dispose dispose ] [ ]
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cleanup ;
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! Default streams
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SYMBOL: input-stream
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SYMBOL: output-stream
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SYMBOL: error-stream
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: readln ( -- str/f ) input-stream get stream-readln ;
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: read1 ( -- ch/f ) input-stream get stream-read1 ;
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: read ( n -- str/f ) input-stream get stream-read ;
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: read-until ( seps -- str/f sep/f ) input-stream get stream-read-until ;
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: read-partial ( n -- str/f ) input-stream get stream-read-partial ;
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: write1 ( ch -- ) output-stream get stream-write1 ;
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: write ( str -- ) output-stream get stream-write ;
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: flush ( -- ) output-stream get stream-flush ;
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: nl ( -- ) output-stream get stream-nl ;
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: format ( str style -- ) output-stream get stream-format ;
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: with-input-stream* ( stream quot -- )
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input-stream swap with-variable ; inline
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: with-input-stream ( stream quot -- )
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[ with-input-stream* ] curry with-disposal ; inline
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: with-output-stream* ( stream quot -- )
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output-stream swap with-variable ; inline
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: with-output-stream ( stream quot -- )
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[ with-output-stream* ] curry with-disposal ; inline
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: with-streams* ( input output quot -- )
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[ output-stream set input-stream set ] prepose with-scope ; inline
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: with-streams ( input output quot -- )
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[ [ with-streams* ] 3curry ]
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[ [ drop dispose dispose ] 3curry ] 3bi
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[ ] cleanup ; inline
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: tabular-output ( style quot -- )
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swap [ { } make ] dip output-stream 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{ } output-stream get make-cell-stream
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[ swap with-output-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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output-stream get make-span-stream swap with-output-stream
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] if ; inline
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: with-nesting ( style quot -- )
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[ output-stream get make-block-stream ] dip
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with-output-stream ; inline
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: print ( string -- ) output-stream get stream-print ;
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: bl ( -- ) " " write ;
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: lines ( stream -- seq )
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[ [ readln dup ] [ ] [ drop ] produce ] with-input-stream ;
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: contents ( stream -- str )
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[
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[ 65536 read dup ] [ ] [ drop ] produce concat f like
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] with-input-stream ;
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