factor/basis/io/files/windows/nt/files.factor

65 lines
1.8 KiB
Factor
Executable File

USING: continuations destructors io.buffers io.files io.backend
io.timeouts io.ports io.files.private io.backend.windows
io.files.windows io.backend.windows.nt io.encodings.utf16n
windows windows.kernel32 kernel libc math threads system
environment alien.c-types alien.arrays alien.strings sequences
combinators combinators.short-circuit ascii splitting alien
strings assocs namespaces make accessors tr ;
IN: io.files.windows.nt
M: winnt cwd
MAX_UNICODE_PATH dup "ushort" <c-array>
[ GetCurrentDirectory win32-error=0/f ] keep
utf16n alien>string ;
M: winnt cd
SetCurrentDirectory win32-error=0/f ;
: unicode-prefix ( -- seq )
"\\\\?\\" ; inline
M: winnt root-directory? ( path -- ? )
{
{ [ dup empty? ] [ drop f ] }
{ [ dup [ path-separator? ] all? ] [ drop t ] }
{ [ dup trim-right-separators { [ length 2 = ]
[ second CHAR: : = ] } 1&& ] [ drop t ] }
{ [ dup unicode-prefix head? ]
[ trim-right-separators length unicode-prefix length 2 + = ] }
[ drop f ]
} cond ;
ERROR: not-absolute-path ;
M: winnt root-directory ( string -- string' )
unicode-prefix ?head drop
dup {
[ length 2 >= ]
[ second CHAR: : = ]
[ first Letter? ]
} 1&& [ 2 head "\\" append ] [ not-absolute-path ] if ;
: prepend-prefix ( string -- string' )
dup unicode-prefix head? [
unicode-prefix prepend
] unless ;
TR: normalize-separators "/" "\\" ;
M: winnt normalize-path ( string -- string' )
(normalize-path)
normalize-separators
prepend-prefix ;
M: winnt CreateFile-flags ( DWORD -- DWORD )
FILE_FLAG_OVERLAPPED bitor ;
M: winnt FileArgs-overlapped ( port -- overlapped )
make-overlapped ;
M: winnt open-append
[ dup file-info size>> ] [ drop 0 ] recover
[ (open-append) ] dip >>ptr ;
M: winnt home "USERPROFILE" os-env ;