factor/library/io/stdio.factor

73 lines
2.5 KiB
Factor

! :folding=indent:collapseFolds=1:
! $Id$
!
! Copyright (C) 2003, 2004 Slava Pestov.
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions are met:
!
! 1. Redistributions of source code must retain the above copyright notice,
! this list of conditions and the following disclaimer.
!
! 2. Redistributions in binary form must reproduce the above copyright notice,
! this list of conditions and the following disclaimer in the documentation
! and/or other materials provided with the distribution.
!
! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
IN: stdio
USE: combinators
USE: errors
USE: kernel
USE: lists
USE: namespaces
USE: stack
USE: streams
USE: generic
USE: strings
: flush ( -- ) "stdio" get fflush ;
: read ( -- string ) "stdio" get freadln ;
: read1 ( count -- string ) "stdio" get fread1 ;
: read# ( count -- string ) "stdio" get fread# ;
: write ( string -- ) "stdio" get fwrite ;
: write-attr ( string style -- ) "stdio" get fwrite-attr ;
: print ( string -- ) "stdio" get fprint ;
: terpri ( -- ) "\n" write ;
: close ( -- ) "stdio" get fclose ;
: write-icon ( resource -- )
#! Write an icon. Eg, /library/icons/File.png
"icon" swons unit "" swap write-attr ;
: with-stream ( stream quot -- )
[ swap "stdio" set [ close rethrow ] catch ] with-scope ;
: with-string ( quot -- str )
#! Execute a quotation, and push a string containing all
#! text printed by the quotation.
1024 <string-output-stream> [
call "stdio" get stream>str
] with-stream ;
TRAITS: stdio-stream
M: stdio-stream fauto-flush ( -- )
[ delegate get fflush ] bind ;M
M: stdio-stream fclose ( -- )
drop ;M
C: stdio-stream ( delegate -- stream )
[ delegate set ] extend ;C