Add a basic windows registry vocabulary
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Doug Coleman
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windows
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! Copyright (C) 2010 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel tools.test windows.advapi32 windows.registry ;
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IN: windows.registry.tests
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[ ]
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[ HKEY_CURRENT_USER "SOFTWARE\\\\Microsoft" read-registry drop ] unit-test
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! Copyright (C) 2010 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien.c-types byte-arrays kernel locals sequences
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windows.advapi32 windows.errors math windows
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windows.kernel32 windows.time accessors alien.data
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nested-comments windows.types classes.struct continuations ;
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IN: windows.registry
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ERROR: open-key-failed key subkey mode error-string ;
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ERROR: create-key-failed hKey lpSubKey lpClass dwOptions
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samDesired lpSecurityAttributes phkResult lpdwDisposition ;
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CONSTANT: registry-value-max-length 16384
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:: open-key ( key subkey mode -- hkey )
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    key subkey 0 mode HKEY <c-object>
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    [
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        RegOpenKeyEx dup ERROR_SUCCESS = [
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            drop
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        ] [
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            [ key subkey mode ] dip n>win32-error-string
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            open-key-failed
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        ] if
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    ] keep *uint ;
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:: create-key* ( hKey lpSubKey lpClass dwOptions samDesired lpSecurityAttributes -- hkey new? )
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    hKey lpSubKey 0 lpClass dwOptions samDesired lpSecurityAttributes
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    HKEY <c-object>
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    DWORD <c-object>
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    f :> ret!
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    [ RegCreateKeyEx ret! ] 2keep
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    [ *uint ]
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    [ *uint REG_CREATED_NEW_KEY = ] bi*
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    ret ERROR_SUCCESS = [
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        [
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            hKey lpSubKey 0 lpClass dwOptions samDesired
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            lpSecurityAttributes
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        ] dip n>win32-error-string
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        create-key-failed
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    ] unless ;
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: create-key ( hkey lsubkey -- hkey )
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    f 0 KEY_ALL_ACCESS f create-key* drop ;
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: close-key ( hkey -- )
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    RegCloseKey dup ERROR_SUCCESS = [
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        drop
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    ] [
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        n>win32-error-string throw
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    ] if ;
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:: with-open-registry-key ( key subkey mode quot -- )
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    key subkey mode open-key :> hkey
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    [ hkey quot call ]
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    [ hkey close-key ]
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    [ ] cleanup ; inline
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:: with-create-registry-key ( key subkey quot -- )
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    key subkey create-key :> hkey
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    [ hkey quot call ]
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    [ hkey close-key ]
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    [ ] cleanup ; inline
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<PRIVATE
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: grow-buffer ( byte-array -- byte-array' )
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    length 2 * <byte-array> ;
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:: reg-query-value-ex ( key subkey ptr1 ptr2 buffer -- buffer )
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    buffer length <uint> :> pdword
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    key subkey ptr1 ptr2 buffer pdword [ RegQueryValueEx ] 2keep
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    rot :> ret
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    ret ERROR_SUCCESS = [
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        *uint head
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    ] [
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        ret ERROR_MORE_DATA = [
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            2drop
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            key subkey ptr1 ptr2 buffer
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            grow-buffer reg-query-value-ex
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        ] [
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            ret n>win32-error-string throw
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        ] if
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    ] if ;
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TUPLE: registry-info
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key
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class-name
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sub-keys
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longest-subkey
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longest-class-string
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#values
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max-value
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max-value-data
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security-descriptor
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last-write-time ;
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TUPLE: registry-enum-key ;
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:: reg-enum-keys ( registry-info -- seq )
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    registry-info sub-keys>> iota [
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        [ registry-info key>> ] dip
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        registry-value-max-length TCHAR <c-array> dup :> registry-value
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        registry-value length dup :> registry-value-length
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        f
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        DWORD <c-object> dup :> type
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        f ! BYTE <c-object> dup :> data
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        f ! BYTE <c-object> dup :> buffer
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        RegEnumKeyEx dup ERROR_SUCCESS = [
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        ] [
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        ] if
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    ] map ;
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:: reg-query-info-key ( key -- n )
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    key
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    MAX_PATH
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    dup TCHAR <c-array> dup :> class-buffer
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    swap <int> dup :> class-buffer-length
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    f
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    DWORD <c-object> dup :> sub-keys
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    DWORD <c-object> dup :> longest-subkey
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    DWORD <c-object> dup :> longest-class-string
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    DWORD <c-object> dup :> #values
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    DWORD <c-object> dup :> max-value
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    DWORD <c-object> dup :> max-value-data
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    DWORD <c-object> dup :> security-descriptor
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    FILETIME <struct> dup :> last-write-time
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    RegQueryInfoKey :> ret
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    ret ERROR_SUCCESS = [
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        key
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        class-buffer
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        sub-keys *uint
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        longest-subkey *uint
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        longest-class-string *uint
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        #values *uint
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        max-value *uint
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        max-value-data *uint
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        security-descriptor *uint
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        last-write-time FILETIME>timestamp
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        registry-info boa
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    ] [
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        ret n>win32-error-string
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    ] if ;
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: set-reg-key ( hkey value type lpdata cbdata -- )
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    [ 0 ] 3dip
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    RegSetValueEx dup ERROR_SUCCESS = [
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        drop
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    ] [ 
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        "omg" throw
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    ] if ;
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: set-reg-binary ( hkey value lpdata cbdata -- )
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    [ REG_BINARY ] 2dip set-reg-key ;
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: set-reg-dword ( hkey value lpdata cbdata -- )
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    [ REG_DWORD ] 2dip set-reg-key ;
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: set-reg-dword-le ( hkey value lpdata cbdata -- )
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    [ REG_DWORD_LITTLE_ENDIAN ] 2dip set-reg-key ;
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: set-reg-dword-be ( hkey value lpdata cbdata -- )
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    [ REG_DWORD_BIG_ENDIAN ] 2dip set-reg-key ;
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: set-reg-expand-sz ( hkey value lpdata cbdata -- )
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    [ REG_EXPAND_SZ ] 2dip set-reg-key ;
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: set-reg-link ( hkey value lpdata cbdata -- )
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    [ REG_LINK ] 2dip set-reg-key ;
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: set-reg-multi-sz ( hkey value lpdata cbdata -- )
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    [ REG_MULTI_SZ ] 2dip set-reg-key ;
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: set-reg-none ( hkey value lpdata cbdata -- )
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    [ REG_NONE ] 2dip set-reg-key ;
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: set-reg-qword ( hkey value lpdata cbdata -- )
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    [ REG_QWORD ] 2dip set-reg-key ;
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: set-reg-qword-le ( hkey value lpdata cbdata -- )
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    [ REG_QWORD_LITTLE_ENDIAN ] 2dip set-reg-key ;
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: set-reg-sz ( hkey value lpdata cbdata -- )
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    [ REG_SZ ] 2dip set-reg-key ;
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PRIVATE>
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: windows-performance-data ( -- byte-array )
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    HKEY_PERFORMANCE_DATA "Global" f f
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    21 2^ <byte-array> reg-query-value-ex ;
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: read-registry ( key subkey -- registry-info )
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    KEY_READ [ reg-query-info-key ] with-open-registry-key ;
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