1 ! Copyright (C) 2009 Bruno Deferrari
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors alien.c-types arrays assocs destructors kernel libc locals
4 sequences serialize tokyo.alien.tcadb tokyo.alien.tcutil vectors ;
5 IN: tokyo.cabinet.abstract
7 TUPLE: tokyo-abstractdb handle disposed ;
9 INSTANCE: tokyo-abstractdb assoc
11 : <tokyo-abstractdb> ( name -- tokyo-abstractdb )
12 tcadbnew [ swap tcadbopen drop ] keep
13 tokyo-abstractdb new [ (>>handle) ] keep ;
15 M: tokyo-abstractdb dispose* [ tcadbdel f ] change-handle drop ;
17 M:: tokyo-abstractdb at* ( key db -- value/f ? )
20 key object>bytes :> kbytes
21 kbytes length :> key-size
22 handle kbytes key-size sizeout tcadbget :> output
24 [ sizeout *int memory>byte-array ] [ tcfree ] bi bytes>object t
27 M: tokyo-abstractdb assoc-size ( db -- size ) handle>> tcadbrnum ;
29 ! FIXME: make this nicer
30 M:: tokyo-abstractdb >alist ( db -- alist )
33 db assoc-size <vector> :> keys
34 handle tcadbiterinit drop
35 [ handle size-out tcadbiternext dup ] [
36 [ size-out *int memory>byte-array ] [ tcfree ] bi
37 bytes>object keys push
39 keys [ dup db at 2array ] { } map-as ;
41 M:: tokyo-abstractdb set-at ( value key db -- )
43 key object>bytes :> kbytes
44 kbytes length :> key-size
45 value object>bytes :> vbytes
46 vbytes length :> value-size
47 handle kbytes key-size vbytes value-size tcadbput drop ;
49 M:: tokyo-abstractdb delete-at ( key db -- )
51 key object>bytes :> kbytes
52 kbytes length :> key-size
53 handle kbytes key-size tcadbout drop ;
55 M: tokyo-abstractdb clear-assoc ( db -- ) handle>> tcadbvanish drop ;
57 M: tokyo-abstractdb equal? assoc= ;
59 M: tokyo-abstractdb hashcode* assoc-hashcode ;