1 ! Copyright (C) 2008 Doug Coleman.
2 ! See https://factorcode.org/license.txt for BSD license.
3 USING: combinators continuations fry io.backend io.directories
4 io.files io.pathnames kernel locals namespaces random.data
5 sequences system vocabs ;
10 HOOK: (touch-unique-file) io-backend ( path -- )
14 : touch-unique-file ( path -- )
15 normalize-path (touch-unique-file) ;
18 SYMBOL: unique-retries
20 10 unique-length set-global
21 10 unique-retries set-global
25 : random-file-name ( -- string )
26 unique-length get random-string ;
28 : random-file-name* ( prefix suffix -- string )
29 unique-length get random-string glue ;
31 : retry ( quot: ( -- ? ) n -- )
32 <iota> swap [ drop ] prepose attempt-all ; inline
36 : unique-file ( prefix suffix -- path )
38 _ _ random-file-name glue
40 ] unique-retries get retry absolute-path ;
42 : unique-files ( prefix suffixes -- paths )
45 _ _ random-file-name '[
47 dup touch-unique-file suffix!
50 [ [ delete-file ] each ] [ rethrow ] bi*
52 ] unique-retries get retry [ absolute-path ] map ;
54 : with-unique-file-writer ( ..a prefix suffix encoding quot -- ..b path )
55 [ random-file-name* ] 2dip [ with-file-writer-secure ] keepdd normalize-path ; inline
57 :: cleanup-unique-file ( ..a prefix suffix quot: ( ..a path -- ..b ) -- ..b )
58 prefix suffix unique-file :> path
59 [ path quot call ] [ path delete-file ] finally ; inline
61 :: cleanup-unique-files ( ..a prefix suffixes quot: ( ..a paths -- ..b ) -- ..b )
62 prefix suffixes unique-files :> paths
63 [ paths quot call ] [ paths [ delete-file ] each ] finally ; inline
65 : unique-directory ( -- path )
69 ] unique-retries get retry absolute-path ;
71 :: with-unique-directory ( quot -- path )
72 unique-directory :> path
73 path quot with-directory
76 :: cleanup-unique-directory ( quot -- )
77 unique-directory :> path
78 [ path quot with-directory ]
79 [ path delete-tree ] finally ; inline
82 { [ os unix? ] [ "io.files.unique.unix" ] }
83 { [ os windows? ] [ "io.files.unique.windows" ] }