85 lines
2.0 KiB
Factor
85 lines
2.0 KiB
Factor
! Copyright (C) 2004, 2007 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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IN: c-streams
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USING: errors kernel kernel-internals namespaces io strings
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sequences math ;
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! Simple wrappers for ANSI C I/O functions, used for
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! bootstrapping only.
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! More elaborate platform-specific I/O code is used on Unix and
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! Windows; see core/unix and core/win32.
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TUPLE: c-stream in out ;
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M: c-stream stream-write1
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>r 1string r> stream-write ;
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M: c-stream stream-write
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c-stream-out fwrite ;
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M: c-stream stream-read
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>r >fixnum r> c-stream-in dup [ fread ] [ 2drop f ] if ;
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M: c-stream stream-read1
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c-stream-in dup [ fgetc ] when ;
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: read-until-loop ( stream delim -- ch )
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over stream-read1 dup [
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dup pick memq? [ 2nip ] [ , read-until-loop ] if
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] [
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2nip
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] if ;
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M: c-stream stream-read-until
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[ swap read-until-loop ] "" make swap
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over empty? over not and [ 2drop f f ] when ;
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M: c-stream stream-flush
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c-stream-out [ fflush ] when* ;
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M: c-stream stream-close
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dup c-stream-in [ fclose ] when*
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c-stream-out [ fclose ] when* ;
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: <duplex-c-stream> ( in out -- stream )
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>r f <c-stream> <line-reader> f r> <c-stream> <plain-writer>
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<duplex-stream> ;
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: init-c-stdio ( -- )
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13 getenv 14 getenv <duplex-c-stream> stdio set ;
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TUPLE: c-stream-error ;
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: c-stream-error ( -- * ) <c-stream-error> throw ;
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IN: io-internals
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: init-io ;
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: init-stdio init-c-stdio ;
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: io-multiplex ( ms -- ) drop ;
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: directory-fixup ( seq -- seq ) ;
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IN: io
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: <file-reader> ( path -- stream )
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"rb" fopen f <c-stream> <line-reader> ;
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: <file-writer> ( path -- stream )
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"wb" fopen f swap <c-stream> <plain-writer> ;
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IN: network
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TUPLE: client-stream host port ;
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: <client> ( host port -- stream ) c-stream-error ;
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: <server> ( port -- server ) c-stream-error ;
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: accept ( server -- stream ) c-stream-error ;
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: <datagram> ( port -- datagram ) c-stream-error ;
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: receive ( datagram -- packet host port ) c-stream-error ;
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: send ( packet host port datagram -- ) c-stream-error ;
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