76 lines
2.4 KiB
Factor
76 lines
2.4 KiB
Factor
! Copyright (C) 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors alien.c-types alien.data alien.strings
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assocs combinators continuations destructors fry io io.backend
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io.directories io.encodings.binary io.files.info.unix
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io.encodings.utf8 io.files io.pathnames io.files.types kernel
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math math.bitwise sequences system unix unix.stat vocabs.loader
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classes.struct unix.ffi literals libc vocabs io.files.info ;
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IN: io.directories.unix
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CONSTANT: file-mode 0o0666
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CONSTANT: touch-mode flags{ O_WRONLY O_APPEND O_CREAT O_EXCL }
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M: unix touch-file ( path -- )
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normalize-path
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dup exists? [ touch ] [
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touch-mode file-mode open-file close-file
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] if ;
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M: unix move-file ( from to -- )
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[ normalize-path ] bi@ [ rename ] unix-system-call drop ;
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M: unix delete-file ( path -- ) normalize-path unlink-file ;
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M: unix make-directory ( path -- )
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normalize-path 0o777 [ mkdir ] unix-system-call drop ;
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M: unix delete-directory ( path -- )
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normalize-path [ rmdir ] unix-system-call drop ;
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M: unix copy-file ( from to -- )
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[ normalize-path ] bi@
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[ call-next-method ]
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[ [ file-permissions ] dip swap set-file-permissions ] 2bi ;
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: with-unix-directory ( path quot -- )
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dupd '[ _ _
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[ opendir dup [ (io-error) ] unless ] dip
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dupd curry swap '[ _ closedir io-error ] [ ] cleanup
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] with-directory ; inline
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: dirent-type>file-type ( type -- file-type )
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H{
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{ $ DT_BLK +block-device+ }
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{ $ DT_CHR +character-device+ }
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{ $ DT_DIR +directory+ }
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{ $ DT_LNK +symbolic-link+ }
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{ $ DT_SOCK +socket+ }
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{ $ DT_FIFO +fifo+ }
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{ $ DT_REG +regular-file+ }
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{ $ DT_WHT +whiteout+ }
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} at* [ drop +unknown+ ] unless ;
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! An easy way to return +unknown+ is to mount a .iso on OSX and
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! call directory-entries on the mount point.
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: next-dirent ( DIR* dirent* -- dirent* ? )
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f void* <ref> [
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readdir_r [ dup strerror libc-error ] unless-zero
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] 2keep void* deref ; inline
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: >directory-entry ( dirent* -- directory-entry )
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[ d_name>> utf8 alien>string ]
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[ d_type>> dirent-type>file-type ] bi
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dup +unknown+ = [ drop dup file-info type>> ] when
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<directory-entry> ; inline
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M: unix (directory-entries) ( path -- seq )
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[
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dirent <struct>
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'[ _ _ next-dirent ] [ >directory-entry ] produce nip
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] with-unix-directory ;
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os linux? [ "io.directories.unix.linux" require ] when
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