factor/extra/io/windows/nt/files/files.factor

60 lines
1.6 KiB
Factor
Executable File

USING: continuations destructors io.buffers io.files io.backend
io.timeouts io.ports io.windows io.windows.files
io.windows.nt.backend windows windows.kernel32
kernel libc math threads system
alien.c-types alien.arrays alien.strings sequences combinators
combinators.lib sequences.lib ascii splitting alien strings
assocs namespaces io.files.private accessors ;
IN: io.windows.nt.files
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? ] [ f ] }
{ [ dup [ path-separator? ] all? ] [ t ] }
{ [ dup right-trim-separators
{ [ dup length 2 = ] [ dup second CHAR: : = ] } 0&& nip ] [
t
] }
[ f ]
} cond nip ;
ERROR: not-absolute-path ;
: root-directory ( string -- string' )
{
[ dup length 2 >= ]
[ dup second CHAR: : = ]
[ dup first Letter? ]
} 0&& [ 2 head ] [ not-absolute-path ] if ;
: prepend-prefix ( string -- string' )
dup unicode-prefix head? [
unicode-prefix prepend
] unless ;
M: winnt normalize-path ( string -- string' )
(normalize-path)
{ { CHAR: / CHAR: \\ } } substitute
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
>r (open-append) r> >>ptr ;