1 ! Copyright (C) 2008 Doug Coleman.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: byte-arrays math io.backend io.files.info
4 io.files.windows io.files.windows.nt kernel windows.kernel32
5 windows.time windows accessors alien.c-types combinators
6 generalizations system alien.strings io.encodings.utf16n
7 sequences splitting windows.errors fry continuations destructors
8 calendar ascii combinators.short-circuit locals classes.struct ;
9 IN: io.files.info.windows
11 :: round-up-to ( n multiple -- n' )
18 TUPLE: windows-file-info < file-info attributes ;
20 : get-compressed-file-size ( path -- n )
21 "DWORD" <c-object> [ GetCompressedFileSize ] keep
22 over INVALID_FILE_SIZE = [
23 win32-error-string throw
28 : set-windows-size-on-disk ( file-info path -- file-info )
29 over attributes>> +compressed+ swap member? [
30 get-compressed-file-size
32 drop dup size>> 4096 round-up-to
35 : WIN32_FIND_DATA>file-info ( WIN32_FIND_DATA -- file-info )
36 [ \ windows-file-info new ] dip
38 [ dwFileAttributes>> win32-file-type >>type ]
39 [ dwFileAttributes>> win32-file-attributes >>attributes ]
40 [ [ nFileSizeLow>> ] [ nFileSizeHigh>> ] bi >64bit >>size ]
41 [ dwFileAttributes>> >>permissions ]
42 [ ftCreationTime>> FILETIME>timestamp >>created ]
43 [ ftLastWriteTime>> FILETIME>timestamp >>modified ]
44 [ ftLastAccessTime>> FILETIME>timestamp >>accessed ]
47 : find-first-file-stat ( path -- WIN32_FIND_DATA )
48 WIN32_FIND_DATA <struct> [
50 [ INVALID_HANDLE_VALUE = [ win32-error ] when ] keep
51 FindClose win32-error=0/f
54 : BY_HANDLE_FILE_INFORMATION>file-info ( HANDLE_FILE_INFORMATION -- file-info )
55 [ \ windows-file-info new ] dip
57 [ dwFileAttributes>> win32-file-type >>type ]
58 [ dwFileAttributes>> win32-file-attributes >>attributes ]
61 [ nFileSizeHigh>> ] bi >64bit >>size
63 [ dwFileAttributes>> >>permissions ]
64 [ ftCreationTime>> FILETIME>timestamp >>created ]
65 [ ftLastWriteTime>> FILETIME>timestamp >>modified ]
66 [ ftLastAccessTime>> FILETIME>timestamp >>accessed ]
67 ! [ nNumberOfLinks>> ]
70 ! [ nFileIndexHigh>> ] bi >64bit
74 : get-file-information ( handle -- BY_HANDLE_FILE_INFORMATION )
76 BY_HANDLE_FILE_INFORMATION <struct>
77 [ GetFileInformationByHandle win32-error=0/f ] keep
78 ] keep CloseHandle win32-error=0/f ;
80 : get-file-information-stat ( path -- BY_HANDLE_FILE_INFORMATION )
82 GENERIC_READ FILE_SHARE_READ f
83 OPEN_EXISTING FILE_FLAG_BACKUP_SEMANTICS f
84 CreateFileW dup INVALID_HANDLE_VALUE = [
85 drop find-first-file-stat WIN32_FIND_DATA>file-info
88 get-file-information BY_HANDLE_FILE_INFORMATION>file-info
91 M: windows file-info ( path -- info )
93 [ get-file-information-stat ]
94 [ set-windows-size-on-disk ] bi ;
96 M: windows link-info ( path -- info )
99 : volume-information ( normalized-path -- volume-name volume-serial max-component flags type )
100 MAX_PATH 1 + [ <byte-array> ] keep
104 MAX_PATH 1 + [ <byte-array> ] keep
105 [ GetVolumeInformation win32-error=0/f ] 7 nkeep
107 [ utf16n alien>string ] 4 ndip
108 utf16n alien>string ;
110 : file-system-space ( normalized-path -- available-space total-space free-space )
111 "ULARGE_INTEGER" <c-object>
112 "ULARGE_INTEGER" <c-object>
113 "ULARGE_INTEGER" <c-object>
114 [ GetDiskFreeSpaceEx win32-error=0/f ] 3keep ;
116 : calculate-file-system-info ( file-system-info -- file-system-info' )
117 [ dup [ total-space>> ] [ free-space>> ] bi - >>used-space drop ] keep ;
119 TUPLE: win32-file-system-info < file-system-info max-component flags device-serial ;
121 ERROR: not-absolute-path ;
123 : root-directory ( string -- string' )
124 unicode-prefix ?head drop
129 } 1&& [ 2 head "\\" append ] [ not-absolute-path ] if ;
131 M: winnt file-system-info ( path -- file-system-info )
132 normalize-path root-directory
133 dup [ volume-information ] [ file-system-space ] bi
134 \ win32-file-system-info new
135 swap *ulonglong >>free-space
136 swap *ulonglong >>total-space
137 swap *ulonglong >>available-space
140 swap *uint >>max-component
141 swap *uint >>device-serial
144 calculate-file-system-info ;
146 : volume>paths ( string -- array )
147 16384 "ushort" <c-array> tuck dup length
148 0 <uint> dup [ GetVolumePathNamesForVolumeName 0 = ] dip swap [
149 win32-error-string throw
151 *uint "ushort" heap-size * head
152 utf16n alien>string CHAR: \0 split
155 : find-first-volume ( -- string handle )
156 MAX_PATH 1 + [ <byte-array> ] keep
158 FindFirstVolume dup win32-error=0/f
159 [ utf16n alien>string ] dip ;
161 : find-next-volume ( handle -- string/f )
162 MAX_PATH 1 + [ <byte-array> tuck ] keep
164 GetLastError ERROR_NO_MORE_FILES =
165 [ drop f ] [ win32-error-string throw ] if
170 : find-volumes ( -- array )
174 [ _ find-next-volume dup ] [ ] produce nip
177 ] [ '[ _ FindVolumeClose win32-error=0/f ] ] bi [ ] cleanup ;
179 M: winnt file-systems ( -- array )
180 find-volumes [ volume>paths ] map
183 [ drop \ file-system-info new swap >>mount-point ] recover
186 : file-times ( path -- timestamp timestamp timestamp )
188 normalize-path open-read &dispose handle>>
192 [ GetFileTime win32-error=0/f ] 3keep
193 [ FILETIME>timestamp >local-time ] tri@
196 : set-file-times ( path timestamp/f timestamp/f timestamp/f -- )
197 #! timestamp order: creation access write
200 normalize-path open-existing &dispose handle>>
201 ] 3dip (set-file-times)
204 : set-file-create-time ( path timestamp -- )
207 : set-file-access-time ( path timestamp -- )
208 [ f ] dip f set-file-times ;
210 : set-file-write-time ( path timestamp -- )
211 [ f f ] dip set-file-times ;