99 lines
3.0 KiB
Factor
99 lines
3.0 KiB
Factor
! :folding=indent:collapseFolds=1:
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! $Id$
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!
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! Copyright (C) 2004 Slava Pestov.
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions are met:
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!
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! 1. Redistributions of source code must retain the above copyright notice,
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! this list of conditions and the following disclaimer.
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!
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! 2. Redistributions in binary form must reproduce the above copyright notice,
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! this list of conditions and the following disclaimer in the documentation
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! and/or other materials provided with the distribution.
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!
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! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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IN: streams
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USE: combinators
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USE: continuations
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USE: io-internals
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USE: errors
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USE: kernel
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USE: logic
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USE: stack
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USE: stdio
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USE: strings
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USE: namespaces
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: <fd-stream> ( in out -- stream )
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#! Create a file descriptor stream object, wrapping a pair
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#! of file descriptor handles for input and output.
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<stream> [
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"out" set
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"in" set
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( str -- )
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[ "out" get blocking-write ] "fwrite" set
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( -- str )
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[ "in" get dup [ blocking-read-line ] when ] "freadln" set
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( count -- str )
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[
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"in" get dup [ blocking-read# ] [ nip ] ifte
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] "fread#" set
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( -- )
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[ "out" get [ blocking-flush ] when* ] "fflush" set
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( -- )
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[
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"out" get [ dup blocking-flush close-port ] when*
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"in" get [ close-port ] when*
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] "fclose" set
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] extend ;
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: <filecr> ( path -- stream )
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t f open-file <fd-stream> ;
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: <filecw> ( path -- stream )
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f t open-file <fd-stream> ;
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: <filebr> ( path -- stream )
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<filecr> ;
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: <filebw> ( path -- stream )
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<filecw> ;
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: init-stdio ( -- )
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stdin stdout <fd-stream> <stdio-stream> "stdio" set ;
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: (fcopy) ( from to -- )
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#! Copy the contents of the fd-stream 'from' to the
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#! fd-stream 'to'. Use fcopy; this word does not close
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#! streams.
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"out" swap get* >r "in" swap get* r> blocking-copy ;
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: fcopy ( from to -- )
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#! Copy the contents of the fd-stream 'from' to the
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#! fd-stream 'to'.
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[ 2dup (fcopy) ] [ -rot fclose fclose rethrow ] catch ;
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: resource-path ( -- path )
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"resource-path" get [ "." ] unless* ;
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: <resource-stream> ( path -- stream )
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resource-path swap cat2 <filecr> ;
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