summaryrefslogtreecommitdiff
path: root/ext/win32ole/win32ole.c
blob: 9518e2f0cd9121fb57d4a8e84a4857b14b285cba (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
/*
 *  (c) 1995 Microsoft Corporation. All rights reserved.
 *  Developed by ActiveWare Internet Corp., http://www.ActiveWare.com
 *
 *  Other modifications Copyright (c) 1997, 1998 by Gurusamy Sarathy
 *  <gsar@umich.edu> and Jan Dubois <jan.dubois@ibm.net>
 *
 *  You may distribute under the terms of either the GNU General Public
 *  License or the Artistic License, as specified in the README file
 *  of the Perl distribution.
 *
 */

/*
  modified for win32ole (ruby) by Masaki.Suketa <masaki.suketa@nifty.ne.jp>
 */

#include "win32ole.h"

/*
 * unfortunately IID_IMultiLanguage2 is not included in any libXXX.a
 * in Cygwin(mingw32).
 */
#if defined(__CYGWIN__) ||  defined(__MINGW32__)
#undef IID_IMultiLanguage2
const IID IID_IMultiLanguage2 = {0xDCCFC164, 0x2B38, 0x11d2, {0xB7, 0xEC, 0x00, 0xC0, 0x4F, 0x8F, 0x5D, 0x9A}};
#endif

#define WIN32OLE_VERSION "1.8.5"

typedef HRESULT (STDAPICALLTYPE FNCOCREATEINSTANCEEX)
    (REFCLSID, IUnknown*, DWORD, COSERVERINFO*, DWORD, MULTI_QI*);

typedef HWND (WINAPI FNHTMLHELP)(HWND hwndCaller, LPCSTR pszFile,
                                 UINT uCommand, DWORD dwData);
typedef BOOL (FNENUMSYSEMCODEPAGES) (CODEPAGE_ENUMPROC, DWORD);
VALUE cWIN32OLE;

#if defined(RB_THREAD_SPECIFIC) && (defined(__CYGWIN__))
static RB_THREAD_SPECIFIC BOOL g_ole_initialized;
# define g_ole_initialized_init() ((void)0)
# define g_ole_initialized_set(val) (g_ole_initialized = (val))
#else
static volatile DWORD g_ole_initialized_key = TLS_OUT_OF_INDEXES;
# define g_ole_initialized (TlsGetValue(g_ole_initialized_key)!=0)
# define g_ole_initialized_init() (g_ole_initialized_key = TlsAlloc())
# define g_ole_initialized_set(val) TlsSetValue(g_ole_initialized_key, (void*)(val))
#endif

static BOOL g_uninitialize_hooked = FALSE;
static BOOL g_cp_installed = FALSE;
static BOOL g_lcid_installed = FALSE;
static HINSTANCE ghhctrl = NULL;
static HINSTANCE gole32 = NULL;
static FNCOCREATEINSTANCEEX *gCoCreateInstanceEx = NULL;
static VALUE com_hash;
static VALUE enc2cp_hash;
static IDispatchVtbl com_vtbl;
static UINT cWIN32OLE_cp = CP_ACP;
static rb_encoding *cWIN32OLE_enc;
static UINT g_cp_to_check = CP_ACP;
static char g_lcid_to_check[8 + 1];
static VARTYPE g_nil_to = VT_ERROR;
static IMessageFilterVtbl message_filter;
static IMessageFilter imessage_filter = { &message_filter };
static IMessageFilter* previous_filter;

#if defined(HAVE_TYPE_IMULTILANGUAGE2)
static IMultiLanguage2 *pIMultiLanguage = NULL;
#elif defined(HAVE_TYPE_IMULTILANGUAGE)
static IMultiLanguage *pIMultiLanguage = NULL;
#else
#define pIMultiLanguage NULL /* dummy */
#endif

struct oleparam {
    DISPPARAMS dp;
    OLECHAR** pNamedArgs;
};

static HRESULT ( STDMETHODCALLTYPE QueryInterface )(IDispatch __RPC_FAR *, REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject);
static ULONG ( STDMETHODCALLTYPE AddRef )(IDispatch __RPC_FAR * This);
static ULONG ( STDMETHODCALLTYPE Release )(IDispatch __RPC_FAR * This);
static HRESULT ( STDMETHODCALLTYPE GetTypeInfoCount )(IDispatch __RPC_FAR * This, UINT __RPC_FAR *pctinfo);
static HRESULT ( STDMETHODCALLTYPE GetTypeInfo )(IDispatch __RPC_FAR * This, UINT iTInfo, LCID lcid, ITypeInfo __RPC_FAR *__RPC_FAR *ppTInfo);
static HRESULT ( STDMETHODCALLTYPE GetIDsOfNames )(IDispatch __RPC_FAR * This, REFIID riid, LPOLESTR __RPC_FAR *rgszNames, UINT cNames, LCID lcid, DISPID __RPC_FAR *rgDispId);
static HRESULT ( STDMETHODCALLTYPE Invoke )( IDispatch __RPC_FAR * This, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS __RPC_FAR *pDispParams, VARIANT __RPC_FAR *pVarResult, EXCEPINFO __RPC_FAR *pExcepInfo, UINT __RPC_FAR *puArgErr);
static IDispatch* val2dispatch(VALUE val);
static double rbtime2vtdate(VALUE tmobj);
static VALUE vtdate2rbtime(double date);
static rb_encoding *ole_cp2encoding(UINT cp);
static UINT ole_encoding2cp(rb_encoding *enc);
NORETURN(static void failed_load_conv51932(void));
#ifndef pIMultiLanguage
static void load_conv_function51932(void);
#endif
static UINT ole_init_cp(void);
static void ole_freeexceptinfo(EXCEPINFO *pExInfo);
static VALUE ole_excepinfo2msg(EXCEPINFO *pExInfo);
static void ole_free(void *ptr);
static size_t ole_size(const void *ptr);
static LPWSTR ole_mb2wc(char *pm, int len, UINT cp);
static VALUE ole_ary_m_entry(VALUE val, LONG *pid);
static VALUE is_all_index_under(LONG *pid, long *pub, long dim);
static void * get_ptr_of_variant(VARIANT *pvar);
static void ole_set_safe_array(long n, SAFEARRAY *psa, LONG *pid, long *pub, VALUE val, long dim,  VARTYPE vt);
static long dimension(VALUE val);
static long ary_len_of_dim(VALUE ary, long dim);
static VALUE ole_set_member(VALUE self, IDispatch *dispatch);
static VALUE fole_s_allocate(VALUE klass);
static VALUE create_win32ole_object(VALUE klass, IDispatch *pDispatch, int argc, VALUE *argv);
static VALUE ary_new_dim(VALUE myary, LONG *pid, LONG *plb, LONG dim);
static void ary_store_dim(VALUE myary, LONG *pid, LONG *plb, LONG dim, VALUE val);
static void ole_const_load(ITypeLib *pTypeLib, VALUE klass, VALUE self);
static HRESULT clsid_from_remote(VALUE host, VALUE com, CLSID *pclsid);
static VALUE ole_create_dcom(VALUE self, VALUE ole, VALUE host, VALUE others);
static VALUE ole_bind_obj(VALUE moniker, int argc, VALUE *argv, VALUE self);
static VALUE fole_s_connect(int argc, VALUE *argv, VALUE self);
static VALUE fole_s_const_load(int argc, VALUE *argv, VALUE self);
static ULONG reference_count(struct oledata * pole);
static VALUE fole_s_reference_count(VALUE self, VALUE obj);
static VALUE fole_s_free(VALUE self, VALUE obj);
static HWND ole_show_help(VALUE helpfile, VALUE helpcontext);
static VALUE fole_s_show_help(int argc, VALUE *argv, VALUE self);
static VALUE fole_s_get_code_page(VALUE self);
static BOOL CALLBACK installed_code_page_proc(LPTSTR str);
static BOOL code_page_installed(UINT cp);
static VALUE fole_s_set_code_page(VALUE self, VALUE vcp);
static VALUE fole_s_get_locale(VALUE self);
static BOOL CALLBACK installed_lcid_proc(LPTSTR str);
static BOOL lcid_installed(LCID lcid);
static VALUE fole_s_set_locale(VALUE self, VALUE vlcid);
static VALUE fole_s_create_guid(VALUE self);
static VALUE fole_s_ole_initialize(VALUE self);
static VALUE fole_s_ole_uninitialize(VALUE self);
static VALUE fole_initialize(int argc, VALUE *argv, VALUE self);
static int hash2named_arg(VALUE key, VALUE val, VALUE pop);
static VALUE set_argv(VARIANTARG* realargs, unsigned int beg, unsigned int end);
static VALUE ole_invoke(int argc, VALUE *argv, VALUE self, USHORT wFlags, BOOL is_bracket);
static VALUE fole_invoke(int argc, VALUE *argv, VALUE self);
static VALUE ole_invoke2(VALUE self, VALUE dispid, VALUE args, VALUE types, USHORT dispkind);
static VALUE fole_invoke2(VALUE self, VALUE dispid, VALUE args, VALUE types);
static VALUE fole_getproperty2(VALUE self, VALUE dispid, VALUE args, VALUE types);
static VALUE fole_setproperty2(VALUE self, VALUE dispid, VALUE args, VALUE types);
static VALUE fole_setproperty_with_bracket(int argc, VALUE *argv, VALUE self);
static VALUE fole_setproperty(int argc, VALUE *argv, VALUE self);
static VALUE fole_getproperty_with_bracket(int argc, VALUE *argv, VALUE self);
static VALUE ole_propertyput(VALUE self, VALUE property, VALUE value);
static VALUE fole_free(VALUE self);
static VALUE ole_each_sub(VALUE pEnumV);
static VALUE ole_ienum_free(VALUE pEnumV);
static VALUE fole_each(VALUE self);
static VALUE fole_missing(int argc, VALUE *argv, VALUE self);
static HRESULT typeinfo_from_ole(struct oledata *pole, ITypeInfo **ppti);
static VALUE ole_methods(VALUE self, int mask);
static VALUE fole_methods(VALUE self);
static VALUE fole_get_methods(VALUE self);
static VALUE fole_put_methods(VALUE self);
static VALUE fole_func_methods(VALUE self);
static VALUE fole_type(VALUE self);
static VALUE fole_typelib(VALUE self);
static VALUE fole_query_interface(VALUE self, VALUE str_iid);
static VALUE fole_respond_to(VALUE self, VALUE method);
static VALUE ole_usertype2val(ITypeInfo *pTypeInfo, TYPEDESC *pTypeDesc, VALUE typedetails);
static VALUE ole_ptrtype2val(ITypeInfo *pTypeInfo, TYPEDESC *pTypeDesc, VALUE typedetails);
static VALUE fole_method_help(VALUE self, VALUE cmdname);
static VALUE fole_activex_initialize(VALUE self);

static void com_hash_free(void *ptr);
static void com_hash_mark(void *ptr);
static size_t com_hash_size(const void *ptr);

static const rb_data_type_t ole_datatype = {
    "win32ole",
    {NULL, ole_free, ole_size,},
    0, 0, RUBY_TYPED_FREE_IMMEDIATELY
};

static const rb_data_type_t win32ole_hash_datatype = {
    "win32ole_hash",
    {com_hash_mark, com_hash_free, com_hash_size,},
    0, 0, RUBY_TYPED_FREE_IMMEDIATELY
};

static HRESULT (STDMETHODCALLTYPE mf_QueryInterface)(
    IMessageFilter __RPC_FAR * This,
    /* [in] */ REFIID riid,
    /* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject)
{
    if (MEMCMP(riid, &IID_IUnknown, GUID, 1) == 0
        || MEMCMP(riid, &IID_IMessageFilter, GUID, 1) == 0)
    {
        *ppvObject = &message_filter;
        return S_OK;
    }
    return E_NOINTERFACE;
}

static ULONG (STDMETHODCALLTYPE mf_AddRef)(
    IMessageFilter __RPC_FAR * This)
{
    return 1;
}

static ULONG (STDMETHODCALLTYPE mf_Release)(
    IMessageFilter __RPC_FAR * This)
{
    return 1;
}

static DWORD (STDMETHODCALLTYPE mf_HandleInComingCall)(
    IMessageFilter __RPC_FAR * pThis,
    DWORD dwCallType,      //Type of incoming call
    HTASK threadIDCaller,  //Task handle calling this task
    DWORD dwTickCount,     //Elapsed tick count
    LPINTERFACEINFO lpInterfaceInfo //Pointer to INTERFACEINFO structure
    )
{
#ifdef DEBUG_MESSAGEFILTER
    printf("incoming %08X, %08X, %d\n", dwCallType, threadIDCaller, dwTickCount);
    fflush(stdout);
#endif
    switch (dwCallType)
    {
    case CALLTYPE_ASYNC:
    case CALLTYPE_TOPLEVEL_CALLPENDING:
    case CALLTYPE_ASYNC_CALLPENDING:
        if (rb_during_gc()) {
            return SERVERCALL_RETRYLATER;
        }
        break;
    default:
        break;
    }
    if (previous_filter) {
        return previous_filter->lpVtbl->HandleInComingCall(previous_filter,
                                                   dwCallType,
                                                   threadIDCaller,
                                                   dwTickCount,
                                                   lpInterfaceInfo);
    }
    return SERVERCALL_ISHANDLED;
}

static DWORD (STDMETHODCALLTYPE mf_RetryRejectedCall)(
    IMessageFilter* pThis,
    HTASK threadIDCallee,  //Server task handle
    DWORD dwTickCount,     //Elapsed tick count
    DWORD dwRejectType     //Returned rejection message
    )
{
    if (previous_filter) {
        return previous_filter->lpVtbl->RetryRejectedCall(previous_filter,
                                                  threadIDCallee,
                                                  dwTickCount,
                                                  dwRejectType);
    }
    return 1000;
}

static DWORD (STDMETHODCALLTYPE mf_MessagePending)(
    IMessageFilter* pThis,
    HTASK threadIDCallee,  //Called applications task handle
    DWORD dwTickCount,     //Elapsed tick count
    DWORD dwPendingType    //Call type
    )
{
    if (rb_during_gc()) {
        return PENDINGMSG_WAITNOPROCESS;
    }
    if (previous_filter) {
        return previous_filter->lpVtbl->MessagePending(previous_filter,
                                               threadIDCallee,
                                               dwTickCount,
                                               dwPendingType);
    }
    return PENDINGMSG_WAITNOPROCESS;
}

typedef struct _Win32OLEIDispatch
{
    IDispatch dispatch;
    ULONG refcount;
    VALUE obj;
} Win32OLEIDispatch;

static HRESULT ( STDMETHODCALLTYPE QueryInterface )(
    IDispatch __RPC_FAR * This,
    /* [in] */ REFIID riid,
    /* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject)
{
    if (MEMCMP(riid, &IID_IUnknown, GUID, 1) == 0
        || MEMCMP(riid, &IID_IDispatch, GUID, 1) == 0)
    {
        Win32OLEIDispatch* p = (Win32OLEIDispatch*)This;
        p->refcount++;
        *ppvObject = This;
        return S_OK;
    }
    return E_NOINTERFACE;
}

static ULONG ( STDMETHODCALLTYPE AddRef )(
    IDispatch __RPC_FAR * This)
{
    Win32OLEIDispatch* p = (Win32OLEIDispatch*)This;
    return ++(p->refcount);
}

static ULONG ( STDMETHODCALLTYPE Release )(
    IDispatch __RPC_FAR * This)
{
    Win32OLEIDispatch* p = (Win32OLEIDispatch*)This;
    ULONG u = --(p->refcount);
    if (u == 0) {
        st_data_t key = p->obj;
        st_delete(DATA_PTR(com_hash), &key, 0);
        free(p);
    }
    return u;
}

static HRESULT ( STDMETHODCALLTYPE GetTypeInfoCount )(
    IDispatch __RPC_FAR * This,
    /* [out] */ UINT __RPC_FAR *pctinfo)
{
    return E_NOTIMPL;
}

static HRESULT ( STDMETHODCALLTYPE GetTypeInfo )(
    IDispatch __RPC_FAR * This,
    /* [in] */ UINT iTInfo,
    /* [in] */ LCID lcid,
    /* [out] */ ITypeInfo __RPC_FAR *__RPC_FAR *ppTInfo)
{
    return E_NOTIMPL;
}


static HRESULT ( STDMETHODCALLTYPE GetIDsOfNames )(
    IDispatch __RPC_FAR * This,
    /* [in] */ REFIID riid,
    /* [size_is][in] */ LPOLESTR __RPC_FAR *rgszNames,
    /* [in] */ UINT cNames,
    /* [in] */ LCID lcid,
    /* [size_is][out] */ DISPID __RPC_FAR *rgDispId)
{
    /*
    Win32OLEIDispatch* p = (Win32OLEIDispatch*)This;
    */
    char* psz = ole_wc2mb(*rgszNames); // support only one method
    ID nameid = rb_check_id_cstr(psz, (long)strlen(psz), cWIN32OLE_enc);
    free(psz);
    if ((ID)(DISPID)nameid != nameid) return E_NOINTERFACE;
    *rgDispId = (DISPID)nameid;
    return S_OK;
}

static /* [local] */ HRESULT ( STDMETHODCALLTYPE Invoke )(
    IDispatch __RPC_FAR * This,
    /* [in] */ DISPID dispIdMember,
    /* [in] */ REFIID riid,
    /* [in] */ LCID lcid,
    /* [in] */ WORD wFlags,
    /* [out][in] */ DISPPARAMS __RPC_FAR *pDispParams,
    /* [out] */ VARIANT __RPC_FAR *pVarResult,
    /* [out] */ EXCEPINFO __RPC_FAR *pExcepInfo,
    /* [out] */ UINT __RPC_FAR *puArgErr)
{
    VALUE v;
    int i;
    int args = pDispParams->cArgs;
    Win32OLEIDispatch* p = (Win32OLEIDispatch*)This;
    VALUE* parg = ALLOCA_N(VALUE, args);
    ID mid = (ID)dispIdMember;
    for (i = 0; i < args; i++) {
        *(parg + i) = ole_variant2val(&pDispParams->rgvarg[args - i - 1]);
    }
    if (dispIdMember == DISPID_VALUE) {
        if (wFlags == DISPATCH_METHOD) {
            mid = rb_intern("call");
        } else if (wFlags & DISPATCH_PROPERTYGET) {
            mid = rb_intern("value");
        }
    }
    v = rb_funcallv(p->obj, mid, args, parg);
    ole_val2variant(v, pVarResult);
    return S_OK;
}

BOOL
ole_initialized(void)
{
    return g_ole_initialized;
}

static IDispatch*
val2dispatch(VALUE val)
{
    struct st_table *tbl = DATA_PTR(com_hash);
    Win32OLEIDispatch* pdisp;
    st_data_t data;
    if (st_lookup(tbl, val, &data)) {
        pdisp = (Win32OLEIDispatch *)(data & ~FIXNUM_FLAG);
        pdisp->refcount++;
    }
    else {
        pdisp = ALLOC(Win32OLEIDispatch);
        pdisp->dispatch.lpVtbl = &com_vtbl;
        pdisp->refcount = 1;
        pdisp->obj = val;
        st_insert(tbl, val, (VALUE)pdisp | FIXNUM_FLAG);
    }
    return &pdisp->dispatch;
}

static double
rbtime2vtdate(VALUE tmobj)
{
    SYSTEMTIME st;
    double t;
    double nsec;

    st.wYear = RB_FIX2INT(rb_funcall(tmobj, rb_intern("year"), 0));
    st.wMonth = RB_FIX2INT(rb_funcall(tmobj, rb_intern("month"), 0));
    st.wDay = RB_FIX2INT(rb_funcall(tmobj, rb_intern("mday"), 0));
    st.wHour = RB_FIX2INT(rb_funcall(tmobj, rb_intern("hour"), 0));
    st.wMinute = RB_FIX2INT(rb_funcall(tmobj, rb_intern("min"), 0));
    st.wSecond = RB_FIX2INT(rb_funcall(tmobj, rb_intern("sec"), 0));
    st.wMilliseconds = 0;
    SystemTimeToVariantTime(&st, &t);

    /*
     * Unfortunately SystemTimeToVariantTime function always ignores the
     * wMilliseconds of SYSTEMTIME struct.
     * So, we need to calculate milliseconds by ourselves.
     */
    nsec =  RB_FIX2INT(rb_funcall(tmobj, rb_intern("nsec"), 0));
    nsec /= 1000000.0;
    nsec /= (24.0 * 3600.0);
    nsec /= 1000;
    return t + nsec;
}

static VALUE
vtdate2rbtime(double date)
{
    SYSTEMTIME st;
    VALUE v;
    double msec;
    double sec;
    VariantTimeToSystemTime(date, &st);
    v = rb_funcall(rb_cTime, rb_intern("new"), 6,
		      RB_INT2FIX(st.wYear),
		      RB_INT2FIX(st.wMonth),
		      RB_INT2FIX(st.wDay),
		      RB_INT2FIX(st.wHour),
		      RB_INT2FIX(st.wMinute),
		      RB_INT2FIX(st.wSecond));
    st.wYear = RB_FIX2INT(rb_funcall(v, rb_intern("year"), 0));
    st.wMonth = RB_FIX2INT(rb_funcall(v, rb_intern("month"), 0));
    st.wDay = RB_FIX2INT(rb_funcall(v, rb_intern("mday"), 0));
    st.wHour = RB_FIX2INT(rb_funcall(v, rb_intern("hour"), 0));
    st.wMinute = RB_FIX2INT(rb_funcall(v, rb_intern("min"), 0));
    st.wSecond = RB_FIX2INT(rb_funcall(v, rb_intern("sec"), 0));
    st.wMilliseconds = 0;
    SystemTimeToVariantTime(&st, &sec);
    /*
     * Unfortunately VariantTimeToSystemTime always ignores the
     * wMilliseconds of SYSTEMTIME struct(The wMilliseconds is 0).
     * So, we need to calculate milliseconds by ourselves.
     */
    msec = date - sec;
    msec *= 24 * 60;
    msec -= floor(msec);
    msec *= 60;
    if (msec >= 59) {
        msec -= 60;
    }
    if (msec != 0) {
        return rb_funcall(v, rb_intern("+"), 1, rb_float_new(msec));
    }
    return v;
}

#define ENC_MACHING_CP(enc,encname,cp) if(strcasecmp(rb_enc_name((enc)),(encname)) == 0) return cp

static UINT ole_encoding2cp(rb_encoding *enc)
{
    /*
     * Is there any better solution to convert
     * Ruby encoding to Windows codepage???
     */
    ENC_MACHING_CP(enc, "Big5", 950);
    ENC_MACHING_CP(enc, "CP51932", 51932);
    ENC_MACHING_CP(enc, "CP850", 850);
    ENC_MACHING_CP(enc, "CP852", 852);
    ENC_MACHING_CP(enc, "CP855", 855);
    ENC_MACHING_CP(enc, "CP949", 949);
    ENC_MACHING_CP(enc, "EUC-JP", 20932);
    ENC_MACHING_CP(enc, "EUC-KR", 51949);
    ENC_MACHING_CP(enc, "EUC-TW", 51950);
    ENC_MACHING_CP(enc, "GB18030", 54936);
    ENC_MACHING_CP(enc, "GB2312", 20936);
    ENC_MACHING_CP(enc, "GBK", 936);
    ENC_MACHING_CP(enc, "IBM437", 437);
    ENC_MACHING_CP(enc, "IBM737", 737);
    ENC_MACHING_CP(enc, "IBM775", 775);
    ENC_MACHING_CP(enc, "IBM852", 852);
    ENC_MACHING_CP(enc, "IBM855", 855);
    ENC_MACHING_CP(enc, "IBM857", 857);
    ENC_MACHING_CP(enc, "IBM860", 860);
    ENC_MACHING_CP(enc, "IBM861", 861);
    ENC_MACHING_CP(enc, "IBM862", 862);
    ENC_MACHING_CP(enc, "IBM863", 863);
    ENC_MACHING_CP(enc, "IBM864", 864);
    ENC_MACHING_CP(enc, "IBM865", 865);
    ENC_MACHING_CP(enc, "IBM866", 866);
    ENC_MACHING_CP(enc, "IBM869", 869);
    ENC_MACHING_CP(enc, "ISO-2022-JP", 50220);
    ENC_MACHING_CP(enc, "ISO-8859-1", 28591);
    ENC_MACHING_CP(enc, "ISO-8859-15", 28605);
    ENC_MACHING_CP(enc, "ISO-8859-2", 28592);
    ENC_MACHING_CP(enc, "ISO-8859-3", 28593);
    ENC_MACHING_CP(enc, "ISO-8859-4", 28594);
    ENC_MACHING_CP(enc, "ISO-8859-5", 28595);
    ENC_MACHING_CP(enc, "ISO-8859-6", 28596);
    ENC_MACHING_CP(enc, "ISO-8859-7", 28597);
    ENC_MACHING_CP(enc, "ISO-8859-8", 28598);
    ENC_MACHING_CP(enc, "ISO-8859-9", 28599);
    ENC_MACHING_CP(enc, "KOI8-R", 20866);
    ENC_MACHING_CP(enc, "KOI8-U", 21866);
    ENC_MACHING_CP(enc, "Shift_JIS", 932);
    ENC_MACHING_CP(enc, "UTF-16BE", 1201);
    ENC_MACHING_CP(enc, "UTF-16LE", 1200);
    ENC_MACHING_CP(enc, "UTF-7", 65000);
    ENC_MACHING_CP(enc, "UTF-8", 65001);
    ENC_MACHING_CP(enc, "Windows-1250", 1250);
    ENC_MACHING_CP(enc, "Windows-1251", 1251);
    ENC_MACHING_CP(enc, "Windows-1252", 1252);
    ENC_MACHING_CP(enc, "Windows-1253", 1253);
    ENC_MACHING_CP(enc, "Windows-1254", 1254);
    ENC_MACHING_CP(enc, "Windows-1255", 1255);
    ENC_MACHING_CP(enc, "Windows-1256", 1256);
    ENC_MACHING_CP(enc, "Windows-1257", 1257);
    ENC_MACHING_CP(enc, "Windows-1258", 1258);
    ENC_MACHING_CP(enc, "Windows-31J", 932);
    ENC_MACHING_CP(enc, "Windows-874", 874);
    ENC_MACHING_CP(enc, "eucJP-ms", 20932);
    return CP_ACP;
}

static void
failed_load_conv51932(void)
{
    rb_raise(eWIN32OLERuntimeError, "fail to load convert function for CP51932");
}

#ifndef pIMultiLanguage
static void
load_conv_function51932(void)
{
    HRESULT hr = E_NOINTERFACE;
    void *p;
    if (!pIMultiLanguage) {
#if defined(HAVE_TYPE_IMULTILANGUAGE2)
	hr = CoCreateInstance(&CLSID_CMultiLanguage, NULL, CLSCTX_INPROC_SERVER,
		              &IID_IMultiLanguage2, &p);
#elif defined(HAVE_TYPE_IMULTILANGUAGE)
	hr = CoCreateInstance(&CLSID_CMultiLanguage, NULL, CLSCTX_INPROC_SERVER,
		              &IID_IMultiLanguage, &p);
#endif
	if (FAILED(hr)) {
	    failed_load_conv51932();
	}
	pIMultiLanguage = p;
    }
}
#define need_conv_function51932() (load_conv_function51932(), 1)
#else
#define load_conv_function51932() failed_load_conv51932()
#define need_conv_function51932() (failed_load_conv51932(), 0)
#endif

#define conv_51932(cp) ((cp) == 51932 && need_conv_function51932())

static void
set_ole_codepage(UINT cp)
{
    if (code_page_installed(cp)) {
        cWIN32OLE_cp = cp;
    } else {
        switch(cp) {
        case CP_ACP:
        case CP_OEMCP:
        case CP_MACCP:
        case CP_THREAD_ACP:
        case CP_SYMBOL:
        case CP_UTF7:
        case CP_UTF8:
            cWIN32OLE_cp = cp;
            break;
        case 51932:
            cWIN32OLE_cp = cp;
            load_conv_function51932();
            break;
        default:
            rb_raise(eWIN32OLERuntimeError, "codepage should be WIN32OLE::CP_ACP, WIN32OLE::CP_OEMCP, WIN32OLE::CP_MACCP, WIN32OLE::CP_THREAD_ACP, WIN32OLE::CP_SYMBOL, WIN32OLE::CP_UTF7, WIN32OLE::CP_UTF8, or installed codepage.");
            break;
        }
    }
    cWIN32OLE_enc = ole_cp2encoding(cWIN32OLE_cp);
}


static UINT
ole_init_cp(void)
{
    UINT cp;
    rb_encoding *encdef;
    encdef = rb_default_internal_encoding();
    if (!encdef) {
	encdef = rb_default_external_encoding();
    }
    cp = ole_encoding2cp(encdef);
    set_ole_codepage(cp);
    return cp;
}

struct myCPINFOEX {
  UINT MaxCharSize;
  BYTE DefaultChar[2];
  BYTE LeadByte[12];
  WCHAR UnicodeDefaultChar;
  UINT CodePage;
  char CodePageName[MAX_PATH];
};

static rb_encoding *
ole_cp2encoding(UINT cp)
{
    static BOOL (*pGetCPInfoEx)(UINT, DWORD, struct myCPINFOEX *) = NULL;
    struct myCPINFOEX* buf;
    VALUE enc_name;
    char *enc_cstr;
    int idx;

    if (!code_page_installed(cp)) {
	switch(cp) {
	  case CP_ACP:
	    cp = GetACP();
	    break;
	  case CP_OEMCP:
	    cp = GetOEMCP();
	    break;
	  case CP_MACCP:
	  case CP_THREAD_ACP:
	    if (!pGetCPInfoEx) {
		pGetCPInfoEx = (BOOL (*)(UINT, DWORD, struct myCPINFOEX *))
		    GetProcAddress(GetModuleHandle("kernel32"), "GetCPInfoEx");
		if (!pGetCPInfoEx) {
		    pGetCPInfoEx = (void*)-1;
		}
	    }
	    buf = ALLOCA_N(struct myCPINFOEX, 1);
	    ZeroMemory(buf, sizeof(struct myCPINFOEX));
	    if (pGetCPInfoEx == (void*)-1 || !pGetCPInfoEx(cp, 0, buf)) {
		rb_raise(eWIN32OLERuntimeError, "cannot map codepage to encoding.");
		break;	/* never reach here */
	    }
	    cp = buf->CodePage;
	    break;
	  case CP_SYMBOL:
	  case CP_UTF7:
	  case CP_UTF8:
	    break;
	  case 51932:
	    load_conv_function51932();
	    break;
	  default:
            rb_raise(eWIN32OLERuntimeError, "codepage should be WIN32OLE::CP_ACP, WIN32OLE::CP_OEMCP, WIN32OLE::CP_MACCP, WIN32OLE::CP_THREAD_ACP, WIN32OLE::CP_SYMBOL, WIN32OLE::CP_UTF7, WIN32OLE::CP_UTF8, or installed codepage.");
            break;
        }
    }

    enc_name = rb_sprintf("CP%d", cp);
    idx = rb_enc_find_index(enc_cstr = StringValueCStr(enc_name));
    if (idx < 0)
	idx = rb_define_dummy_encoding(enc_cstr);
    return rb_enc_from_index(idx);
}

#ifndef pIMultiLanguage
static HRESULT
ole_ml_wc2mb_conv0(LPWSTR pw, LPSTR pm, UINT *size)
{
    DWORD dw = 0;
    return pIMultiLanguage->lpVtbl->ConvertStringFromUnicode(pIMultiLanguage,
		    &dw, cWIN32OLE_cp, pw, NULL, pm, size);
}
#define ole_ml_wc2mb_conv(pw, pm, size, onfailure) do { \
	HRESULT hr = ole_ml_wc2mb_conv0(pw, pm, &size); \
	if (FAILED(hr)) { \
	    onfailure; \
	    ole_raise(hr, eWIN32OLERuntimeError, "fail to convert Unicode to CP%d", cWIN32OLE_cp); \
	} \
    } while (0)
#endif

#define ole_wc2mb_conv(pw, pm, size) WideCharToMultiByte(cWIN32OLE_cp, 0, (pw), -1, (pm), (size), NULL, NULL)

static char *
ole_wc2mb_alloc(LPWSTR pw, char *(alloc)(UINT size, void *arg), void *arg)
{
    LPSTR pm;
    UINT size = 0;
    if (conv_51932(cWIN32OLE_cp)) {
#ifndef pIMultiLanguage
	ole_ml_wc2mb_conv(pw, NULL, size, {});
	pm = alloc(size, arg);
	if (size) ole_ml_wc2mb_conv(pw, pm, size, xfree(pm));
	pm[size] = '\0';
	return pm;
#endif
    }
    size = ole_wc2mb_conv(pw, NULL, 0);
    pm = alloc(size, arg);
    if (size) ole_wc2mb_conv(pw, pm, size);
    pm[size] = '\0';
    return pm;
}

static char *
ole_alloc_str(UINT size, void *arg)
{
    return ALLOC_N(char, size + 1);
}

char *
ole_wc2mb(LPWSTR pw)
{
    return ole_wc2mb_alloc(pw, ole_alloc_str, NULL);
}

static void
ole_freeexceptinfo(EXCEPINFO *pExInfo)
{
    SysFreeString(pExInfo->bstrDescription);
    SysFreeString(pExInfo->bstrSource);
    SysFreeString(pExInfo->bstrHelpFile);
}

static VALUE
ole_excepinfo2msg(EXCEPINFO *pExInfo)
{
    char error_code[40];
    char *pSource = NULL;
    char *pDescription = NULL;
    VALUE error_msg;
    if(pExInfo->pfnDeferredFillIn != NULL) {
        (*pExInfo->pfnDeferredFillIn)(pExInfo);
    }
    if (pExInfo->bstrSource != NULL) {
        pSource = ole_wc2mb(pExInfo->bstrSource);
    }
    if (pExInfo->bstrDescription != NULL) {
        pDescription = ole_wc2mb(pExInfo->bstrDescription);
    }
    if(pExInfo->wCode == 0) {
        sprintf(error_code, "\n    OLE error code:%lX in ", (unsigned long)pExInfo->scode);
    }
    else{
        sprintf(error_code, "\n    OLE error code:%u in ", pExInfo->wCode);
    }
    error_msg = rb_str_new2(error_code);
    if(pSource != NULL) {
        rb_str_cat2(error_msg, pSource);
    }
    else {
        rb_str_cat(error_msg, "<Unknown>", 9);
    }
    rb_str_cat2(error_msg, "\n      ");
    if(pDescription != NULL) {
        rb_str_cat2(error_msg, pDescription);
    }
    else {
        rb_str_cat2(error_msg, "<No Description>");
    }
    if(pSource) free(pSource);
    if(pDescription) free(pDescription);
    ole_freeexceptinfo(pExInfo);
    return error_msg;
}

void
ole_uninitialize(void)
{
    if (!g_ole_initialized) return;
    OleUninitialize();
    g_ole_initialized_set(FALSE);
}

static void
ole_uninitialize_hook(rb_event_flag_t evflag, VALUE data, VALUE self, ID mid, VALUE klass)
{
    ole_uninitialize();
}

void
ole_initialize(void)
{
    HRESULT hr;

    if(!g_uninitialize_hooked) {
	rb_add_event_hook(ole_uninitialize_hook, RUBY_EVENT_THREAD_END, Qnil);
	g_uninitialize_hooked = TRUE;
    }

    if(g_ole_initialized == FALSE) {
        hr = OleInitialize(NULL);
        if(FAILED(hr)) {
            ole_raise(hr, rb_eRuntimeError, "fail: OLE initialize");
        }
        g_ole_initialized_set(TRUE);

        hr = CoRegisterMessageFilter(&imessage_filter, &previous_filter);
        if(FAILED(hr)) {
            previous_filter = NULL;
            ole_raise(hr, rb_eRuntimeError, "fail: install OLE MessageFilter");
        }
    }
}

static void
ole_free(void *ptr)
{
    struct oledata *pole = ptr;
    OLE_FREE(pole->pDispatch);
    free(pole);
}

static size_t ole_size(const void *ptr)
{
    return ptr ? sizeof(struct oledata) : 0;
}

struct oledata *
oledata_get_struct(VALUE ole)
{
    struct oledata *pole;
    TypedData_Get_Struct(ole, struct oledata, &ole_datatype, pole);
    return pole;
}

LPWSTR
ole_vstr2wc(VALUE vstr)
{
    rb_encoding *enc;
    int cp;
    LPWSTR pw;
    st_data_t data;
    struct st_table *tbl = DATA_PTR(enc2cp_hash);

    /* do not type-conversion here to prevent from other arguments
     * changing (if exist) */
    Check_Type(vstr, T_STRING);
    if (RSTRING_LEN(vstr) == 0) {
        return NULL;
    }

    enc = rb_enc_get(vstr);

    if (st_lookup(tbl, (VALUE)enc | FIXNUM_FLAG, &data)) {
        cp = RB_FIX2INT((VALUE)data);
    } else {
        cp = ole_encoding2cp(enc);
        if (code_page_installed(cp) ||
            cp == CP_ACP ||
            cp == CP_OEMCP ||
            cp == CP_MACCP ||
            cp == CP_THREAD_ACP ||
            cp == CP_SYMBOL ||
            cp == CP_UTF7 ||
            cp == CP_UTF8 ||
            cp == 51932) {
            st_insert(tbl, (VALUE)enc | FIXNUM_FLAG, RB_INT2FIX(cp));
        } else {
            rb_raise(eWIN32OLERuntimeError, "not installed Windows codepage(%d) according to `%s'", cp, rb_enc_name(enc));
        }
    }
    pw = ole_mb2wc(RSTRING_PTR(vstr), RSTRING_LENINT(vstr), cp);
    RB_GC_GUARD(vstr);
    return pw;
}

static LPWSTR
ole_mb2wc(char *pm, int len, UINT cp)
{
    UINT size = 0;
    LPWSTR pw;

    if (conv_51932(cp)) {
#ifndef pIMultiLanguage
	DWORD dw = 0;
	UINT n = len;
	HRESULT hr = pIMultiLanguage->lpVtbl->ConvertStringToUnicode(pIMultiLanguage,
		&dw, cp, pm, &n, NULL, &size);
	if (FAILED(hr)) {
            ole_raise(hr, eWIN32OLERuntimeError, "fail to convert CP%d to Unicode", cp);
	}
	pw = SysAllocStringLen(NULL, size);
	n = len;
	hr = pIMultiLanguage->lpVtbl->ConvertStringToUnicode(pIMultiLanguage,
		&dw, cp, pm, &n, pw, &size);
	if (FAILED(hr)) {
            ole_raise(hr, eWIN32OLERuntimeError, "fail to convert CP%d to Unicode", cp);
	}
	return pw;
#endif
    }
    size = MultiByteToWideChar(cp, 0, pm, len, NULL, 0);
    pw = SysAllocStringLen(NULL, size);
    pw[size-1] = 0;
    MultiByteToWideChar(cp, 0, pm, len, pw, size);
    return pw;
}

static char *
ole_alloc_vstr(UINT size, void *arg)
{
    VALUE str = rb_enc_str_new(NULL, size, cWIN32OLE_enc);
    *(VALUE *)arg = str;
    return RSTRING_PTR(str);
}

VALUE
ole_wc2vstr(LPWSTR pw, BOOL isfree)
{
    VALUE vstr;
    ole_wc2mb_alloc(pw, ole_alloc_vstr, &vstr);
    rb_str_set_len(vstr, (long)strlen(RSTRING_PTR(vstr)));
    if(isfree)
        SysFreeString(pw);
    return vstr;
}

static VALUE
ole_ary_m_entry(VALUE val, LONG *pid)
{
    VALUE obj = Qnil;
    int i = 0;
    obj = val;
    while(RB_TYPE_P(obj, T_ARRAY)) {
        obj = rb_ary_entry(obj, pid[i]);
        i++;
    }
    return obj;
}

static VALUE
is_all_index_under(LONG *pid, long *pub, long dim)
{
  long i = 0;
  for (i = 0; i < dim; i++) {
    if (pid[i] > pub[i]) {
      return Qfalse;
    }
  }
  return Qtrue;
}

void
ole_val2variant_ex(VALUE val, VARIANT *var, VARTYPE vt)
{
    if (val == Qnil) {
        if (vt == VT_VARIANT) {
            ole_val2variant2(val, var);
        } else {
            V_VT(var) = (vt & ~VT_BYREF);
            if (V_VT(var) == VT_DISPATCH) {
                V_DISPATCH(var) = NULL;
            } else if (V_VT(var) == VT_UNKNOWN) {
                V_UNKNOWN(var) = NULL;
            }
        }
        return;
    }
#if (_MSC_VER >= 1300) || defined(__CYGWIN__) || defined(__MINGW32__)
    switch(vt & ~VT_BYREF) {
    case VT_I8:
        V_VT(var) = VT_I8;
        V_I8(var) = NUM2I8 (val);
        break;
    case VT_UI8:
        V_VT(var) = VT_UI8;
        V_UI8(var) = NUM2UI8(val);
        break;
    default:
        ole_val2variant2(val, var);
        break;
    }
#else  /* (_MSC_VER >= 1300) || defined(__CYGWIN__) || defined(__MINGW32__) */
    ole_val2variant2(val, var);
#endif
}

VOID *
val2variant_ptr(VALUE val, VARIANT *var, VARTYPE vt)
{
    VOID *p = NULL;
    HRESULT hr = S_OK;
    ole_val2variant_ex(val, var, vt);
    if ((vt & ~VT_BYREF) == VT_VARIANT) {
        p = var;
    } else {
        if ( (vt & ~VT_BYREF) != V_VT(var)) {
            hr = VariantChangeTypeEx(var, var,
                    cWIN32OLE_lcid, 0, (VARTYPE)(vt & ~VT_BYREF));
            if (FAILED(hr)) {
                ole_raise(hr, rb_eRuntimeError, "failed to change type");
            }
        }
        p = get_ptr_of_variant(var);
    }
    if (p == NULL) {
        rb_raise(rb_eRuntimeError, "failed to get pointer of variant");
    }
    return p;
}

static void *
get_ptr_of_variant(VARIANT *pvar)
{
    switch(V_VT(pvar)) {
    case VT_UI1:
        return &V_UI1(pvar);
        break;
    case VT_I2:
        return &V_I2(pvar);
        break;
    case VT_UI2:
        return &V_UI2(pvar);
        break;
    case VT_I4:
        return &V_I4(pvar);
        break;
    case VT_UI4:
        return &V_UI4(pvar);
        break;
    case VT_R4:
        return &V_R4(pvar);
        break;
    case VT_R8:
        return &V_R8(pvar);
        break;
#if (_MSC_VER >= 1300) || defined(__CYGWIN__) || defined(__MINGW32__)
    case VT_I8:
        return &V_I8(pvar);
        break;
    case VT_UI8:
        return &V_UI8(pvar);
        break;
#endif
    case VT_INT:
        return &V_INT(pvar);
        break;
    case VT_UINT:
        return &V_UINT(pvar);
        break;
    case VT_CY:
        return &V_CY(pvar);
        break;
    case VT_DATE:
        return &V_DATE(pvar);
        break;
    case VT_BSTR:
        return V_BSTR(pvar);
        break;
    case VT_DISPATCH:
        return V_DISPATCH(pvar);
        break;
    case VT_ERROR:
        return &V_ERROR(pvar);
        break;
    case VT_BOOL:
        return &V_BOOL(pvar);
        break;
    case VT_UNKNOWN:
        return V_UNKNOWN(pvar);
        break;
    case VT_ARRAY:
        return &V_ARRAY(pvar);
        break;
    default:
        return NULL;
        break;
    }
}

static void
ole_set_safe_array(long n, SAFEARRAY *psa, LONG *pid, long *pub, VALUE val, long dim,  VARTYPE vt)
{
    VALUE val1;
    HRESULT hr = S_OK;
    VARIANT var;
    VOID *p = NULL;
    long i = n;
    while(i >= 0) {
        val1 = ole_ary_m_entry(val, pid);
        VariantInit(&var);
        p = val2variant_ptr(val1, &var, vt);
        if (is_all_index_under(pid, pub, dim) == Qtrue) {
            if ((V_VT(&var) == VT_DISPATCH && V_DISPATCH(&var) == NULL) ||
                (V_VT(&var) == VT_UNKNOWN && V_UNKNOWN(&var) == NULL)) {
                rb_raise(eWIN32OLERuntimeError, "element of array does not have IDispatch or IUnknown Interface");
            }
            hr = SafeArrayPutElement(psa, pid, p);
        }
        if (FAILED(hr)) {
            ole_raise(hr, rb_eRuntimeError, "failed to SafeArrayPutElement");
        }
        pid[i] += 1;
        if (pid[i] > pub[i]) {
            pid[i] = 0;
            i -= 1;
        } else {
            i = dim - 1;
        }
    }
}

static long
dimension(VALUE val) {
    long dim = 0;
    long dim1 = 0;
    long len = 0;
    long i = 0;
    if (RB_TYPE_P(val, T_ARRAY)) {
        len = RARRAY_LEN(val);
        for (i = 0; i < len; i++) {
            dim1 = dimension(rb_ary_entry(val, i));
            if (dim < dim1) {
                dim = dim1;
            }
        }
        dim += 1;
    }
    return dim;
}

static long
ary_len_of_dim(VALUE ary, long dim) {
    long ary_len = 0;
    long ary_len1 = 0;
    long len = 0;
    long i = 0;
    VALUE val;
    if (dim == 0) {
        if (RB_TYPE_P(ary, T_ARRAY)) {
            ary_len = RARRAY_LEN(ary);
        }
    } else {
        if (RB_TYPE_P(ary, T_ARRAY)) {
            len = RARRAY_LEN(ary);
            for (i = 0; i < len; i++) {
                val = rb_ary_entry(ary, i);
                ary_len1 = ary_len_of_dim(val, dim-1);
                if (ary_len < ary_len1) {
                    ary_len = ary_len1;
                }
            }
        }
    }
    return ary_len;
}

HRESULT
ole_val_ary2variant_ary(VALUE val, VARIANT *var, VARTYPE vt)
{
    long dim = 0;
    int  i = 0;
    HRESULT hr = S_OK;

    SAFEARRAYBOUND *psab = NULL;
    SAFEARRAY *psa = NULL;
    long      *pub;
    LONG      *pid;

    Check_Type(val, T_ARRAY);

    dim = dimension(val);

    psab = ALLOC_N(SAFEARRAYBOUND, dim);
    pub  = ALLOC_N(long, dim);
    pid  = ALLOC_N(LONG, dim);

    if(!psab || !pub || !pid) {
        if(pub) free(pub);
        if(psab) free(psab);
        if(pid) free(pid);
        rb_raise(rb_eRuntimeError, "memory allocation error");
    }

    for (i = 0; i < dim; i++) {
        psab[i].cElements = ary_len_of_dim(val, i);
        psab[i].lLbound = 0;
        pub[i] = psab[i].cElements - 1;
        pid[i] = 0;
    }
    /* Create and fill VARIANT array */
    if ((vt & ~VT_BYREF) == VT_ARRAY) {
        vt = (vt | VT_VARIANT);
    }
    psa = SafeArrayCreate((VARTYPE)(vt & VT_TYPEMASK), dim, psab);
    if (psa == NULL)
        hr = E_OUTOFMEMORY;
    else
        hr = SafeArrayLock(psa);
    if (SUCCEEDED(hr)) {
        ole_set_safe_array(dim-1, psa, pid, pub, val, dim, (VARTYPE)(vt & VT_TYPEMASK));
        hr = SafeArrayUnlock(psa);
    }

    if(pub) free(pub);
    if(psab) free(psab);
    if(pid) free(pid);

    if (SUCCEEDED(hr)) {
        V_VT(var) = vt;
        V_ARRAY(var) = psa;
    }
    else {
        if (psa != NULL)
            SafeArrayDestroy(psa);
    }
    return hr;
}

void
ole_val2variant(VALUE val, VARIANT *var)
{
    struct oledata *pole = NULL;
    if(rb_obj_is_kind_of(val, cWIN32OLE)) {
        pole = oledata_get_struct(val);
        OLE_ADDREF(pole->pDispatch);
        V_VT(var) = VT_DISPATCH;
        V_DISPATCH(var) = pole->pDispatch;
        return;
    }
    if (rb_obj_is_kind_of(val, cWIN32OLE_VARIANT)) {
        ole_variant2variant(val, var);
        return;
    }
    if (rb_obj_is_kind_of(val, cWIN32OLE_RECORD)) {
        ole_rec2variant(val, var);
        return;
    }
    if (rb_obj_is_kind_of(val, rb_cTime)) {
        V_VT(var) = VT_DATE;
        V_DATE(var) = rbtime2vtdate(val);
        return;
    }
    switch (TYPE(val)) {
    case T_ARRAY:
        ole_val_ary2variant_ary(val, var, VT_VARIANT|VT_ARRAY);
        break;
    case T_STRING:
        V_VT(var) = VT_BSTR;
        V_BSTR(var) = ole_vstr2wc(val);
        break;
    case T_FIXNUM:
        V_VT(var) = VT_I4;
        {
            long v = RB_NUM2LONG(val);
            V_I4(var) = (LONG)v;
#if SIZEOF_LONG > 4
            if (V_I4(var) != v) {
                V_I8(var) = v;
                V_VT(var) = VT_I8;
            }
#endif
        }
        break;
    case T_BIGNUM:
        V_VT(var) = VT_R8;
        V_R8(var) = rb_big2dbl(val);
        break;
    case T_FLOAT:
        V_VT(var) = VT_R8;
        V_R8(var) = NUM2DBL(val);
        break;
    case T_TRUE:
        V_VT(var) = VT_BOOL;
        V_BOOL(var) = VARIANT_TRUE;
        break;
    case T_FALSE:
        V_VT(var) = VT_BOOL;
        V_BOOL(var) = VARIANT_FALSE;
        break;
    case T_NIL:
        if (g_nil_to == VT_ERROR) {
            V_VT(var) = VT_ERROR;
            V_ERROR(var) = DISP_E_PARAMNOTFOUND;
        }else {
            V_VT(var) = VT_EMPTY;
        }
        break;
    default:
        V_VT(var) = VT_DISPATCH;
        V_DISPATCH(var) = val2dispatch(val);
        break;
    }
}

void
ole_val2variant2(VALUE val, VARIANT *var)
{
    g_nil_to = VT_EMPTY;
    ole_val2variant(val, var);
    g_nil_to = VT_ERROR;
}

VALUE
make_inspect(const char *class_name, VALUE detail)
{
    VALUE str;
    str = rb_str_new2("#<");
    rb_str_cat2(str, class_name);
    rb_str_cat2(str, ":");
    rb_str_concat(str, detail);
    rb_str_cat2(str, ">");
    return str;
}

VALUE
default_inspect(VALUE self, const char *class_name)
{
    VALUE detail = rb_funcall(self, rb_intern("to_s"), 0);
    return make_inspect(class_name, detail);
}

static VALUE
ole_set_member(VALUE self, IDispatch *dispatch)
{
    struct oledata *pole = NULL;
    pole = oledata_get_struct(self);
    if (pole->pDispatch) {
        OLE_RELEASE(pole->pDispatch);
        pole->pDispatch = NULL;
    }
    pole->pDispatch = dispatch;
    return self;
}


static VALUE
fole_s_allocate(VALUE klass)
{
    struct oledata *pole;
    VALUE obj;
    ole_initialize();
    obj = TypedData_Make_Struct(klass, struct oledata, &ole_datatype, pole);
    pole->pDispatch = NULL;
    return obj;
}

static VALUE
create_win32ole_object(VALUE klass, IDispatch *pDispatch, int argc, VALUE *argv)
{
    VALUE obj = fole_s_allocate(klass);
    ole_set_member(obj, pDispatch);
    return obj;
}

static VALUE
ary_new_dim(VALUE myary, LONG *pid, LONG *plb, LONG dim) {
    long i;
    VALUE obj = Qnil;
    VALUE pobj = Qnil;
    long *ids = ALLOC_N(long, dim);
    if (!ids) {
        rb_raise(rb_eRuntimeError, "memory allocation error");
    }
    for(i = 0; i < dim; i++) {
        ids[i] = pid[i] - plb[i];
    }
    obj = myary;
    pobj = myary;
    for(i = 0; i < dim-1; i++) {
        obj = rb_ary_entry(pobj, ids[i]);
        if (obj == Qnil) {
            rb_ary_store(pobj, ids[i], rb_ary_new());
        }
        obj = rb_ary_entry(pobj, ids[i]);
        pobj = obj;
    }
    if (ids) free(ids);
    return obj;
}

static void
ary_store_dim(VALUE myary, LONG *pid, LONG *plb, LONG dim, VALUE val) {
    long id = pid[dim - 1] - plb[dim - 1];
    VALUE obj = ary_new_dim(myary, pid, plb, dim);
    rb_ary_store(obj, id, val);
}

VALUE
ole_variant2val(VARIANT *pvar)
{
    VALUE obj = Qnil;
    VARTYPE vt = V_VT(pvar);
    HRESULT hr;
    while ( vt == (VT_BYREF | VT_VARIANT) ) {
        pvar = V_VARIANTREF(pvar);
        vt = V_VT(pvar);
    }

    if(V_ISARRAY(pvar)) {
        VARTYPE vt_base = vt & VT_TYPEMASK;
        SAFEARRAY *psa = V_ISBYREF(pvar) ? *V_ARRAYREF(pvar) : V_ARRAY(pvar);
        UINT i = 0;
        LONG *pid, *plb, *pub;
        VARIANT variant;
        VALUE val;
        UINT dim = 0;
        if (!psa) {
            return obj;
        }
        dim = SafeArrayGetDim(psa);
        pid = ALLOC_N(LONG, dim);
        plb = ALLOC_N(LONG, dim);
        pub = ALLOC_N(LONG, dim);

        if(!pid || !plb || !pub) {
            if(pid) free(pid);
            if(plb) free(plb);
            if(pub) free(pub);
            rb_raise(rb_eRuntimeError, "memory allocation error");
        }

        for(i = 0; i < dim; ++i) {
            SafeArrayGetLBound(psa, i+1, &plb[i]);
            SafeArrayGetLBound(psa, i+1, &pid[i]);
            SafeArrayGetUBound(psa, i+1, &pub[i]);
        }
        hr = SafeArrayLock(psa);
        if (SUCCEEDED(hr)) {
            obj = rb_ary_new();
            i = 0;
            VariantInit(&variant);
            V_VT(&variant) = vt_base | VT_BYREF;
            if (vt_base == VT_RECORD) {
                hr = SafeArrayGetRecordInfo(psa, &V_RECORDINFO(&variant));
                if (SUCCEEDED(hr)) {
                    V_VT(&variant) = VT_RECORD;
                }
            }
            while (i < dim) {
                ary_new_dim(obj, pid, plb, dim);
                if (vt_base == VT_RECORD)
                    hr = SafeArrayPtrOfIndex(psa, pid, &V_RECORD(&variant));
                else
                    hr = SafeArrayPtrOfIndex(psa, pid, &V_BYREF(&variant));
                if (SUCCEEDED(hr)) {
                    val = ole_variant2val(&variant);
                    ary_store_dim(obj, pid, plb, dim, val);
                }
                for (i = 0; i < dim; ++i) {
                    if (++pid[i] <= pub[i])
                        break;
                    pid[i] = plb[i];
                }
            }
            SafeArrayUnlock(psa);
        }
        if(pid) free(pid);
        if(plb) free(plb);
        if(pub) free(pub);
        return obj;
    }
    switch(V_VT(pvar) & ~VT_BYREF){
    case VT_EMPTY:
        break;
    case VT_NULL:
        break;
    case VT_I1:
        if(V_ISBYREF(pvar))
            obj = RB_INT2NUM((long)*V_I1REF(pvar));
        else
            obj = RB_INT2NUM((long)V_I1(pvar));
        break;

    case VT_UI1:
        if(V_ISBYREF(pvar))
            obj = RB_INT2NUM((long)*V_UI1REF(pvar));
        else
            obj = RB_INT2NUM((long)V_UI1(pvar));
        break;

    case VT_I2:
        if(V_ISBYREF(pvar))
            obj = RB_INT2NUM((long)*V_I2REF(pvar));
        else
            obj = RB_INT2NUM((long)V_I2(pvar));
        break;

    case VT_UI2:
        if(V_ISBYREF(pvar))
            obj = RB_INT2NUM((long)*V_UI2REF(pvar));
        else
            obj = RB_INT2NUM((long)V_UI2(pvar));
        break;

    case VT_I4:
        if(V_ISBYREF(pvar))
            obj = RB_INT2NUM((long)*V_I4REF(pvar));
        else
            obj = RB_INT2NUM((long)V_I4(pvar));
        break;

    case VT_UI4:
        if(V_ISBYREF(pvar))
            obj = RB_INT2NUM((long)*V_UI4REF(pvar));
        else
            obj = RB_INT2NUM((long)V_UI4(pvar));
        break;

    case VT_INT:
        if(V_ISBYREF(pvar))
            obj = RB_INT2NUM((long)*V_INTREF(pvar));
        else
            obj = RB_INT2NUM((long)V_INT(pvar));
        break;

    case VT_UINT:
        if(V_ISBYREF(pvar))
            obj = RB_INT2NUM((long)*V_UINTREF(pvar));
        else
            obj = RB_INT2NUM((long)V_UINT(pvar));
        break;

#if (_MSC_VER >= 1300) || defined(__CYGWIN__) || defined(__MINGW32__)
    case VT_I8:
        if(V_ISBYREF(pvar))
#if (_MSC_VER >= 1300) || defined(__CYGWIN__) || defined(__MINGW32__)
#ifdef V_I8REF
            obj = I8_2_NUM(*V_I8REF(pvar));
#endif
#else
            obj = Qnil;
#endif
        else
            obj = I8_2_NUM(V_I8(pvar));
        break;
    case VT_UI8:
        if(V_ISBYREF(pvar))
#if (_MSC_VER >= 1300) || defined(__CYGWIN__) || defined(__MINGW32__)
#ifdef V_UI8REF
            obj = UI8_2_NUM(*V_UI8REF(pvar));
#endif
#else
            obj = Qnil;
#endif
        else
            obj = UI8_2_NUM(V_UI8(pvar));
        break;
#endif  /* (_MSC_VER >= 1300) || defined(__CYGWIN__) || defined(__MINGW32__) */

    case VT_R4:
        if(V_ISBYREF(pvar))
            obj = rb_float_new(*V_R4REF(pvar));
        else
            obj = rb_float_new(V_R4(pvar));
        break;

    case VT_R8:
        if(V_ISBYREF(pvar))
            obj = rb_float_new(*V_R8REF(pvar));
        else
            obj = rb_float_new(V_R8(pvar));
        break;

    case VT_BSTR:
    {
        BSTR bstr;
        if(V_ISBYREF(pvar))
            bstr = *V_BSTRREF(pvar);
        else
            bstr = V_BSTR(pvar);
        obj = (SysStringLen(bstr) == 0)
            ? rb_str_new2("")
            : ole_wc2vstr(bstr, FALSE);
        break;
    }

    case VT_ERROR:
        if(V_ISBYREF(pvar))
            obj = RB_INT2NUM(*V_ERRORREF(pvar));
        else
            obj = RB_INT2NUM(V_ERROR(pvar));
        break;

    case VT_BOOL:
        if (V_ISBYREF(pvar))
            obj = (*V_BOOLREF(pvar) ? Qtrue : Qfalse);
        else
            obj = (V_BOOL(pvar) ? Qtrue : Qfalse);
        break;

    case VT_DISPATCH:
    {
        IDispatch *pDispatch;

        if (V_ISBYREF(pvar))
            pDispatch = *V_DISPATCHREF(pvar);
        else
            pDispatch = V_DISPATCH(pvar);

        if (pDispatch != NULL ) {
            OLE_ADDREF(pDispatch);
            obj = create_win32ole_object(cWIN32OLE, pDispatch, 0, 0);
        }
        break;
    }

    case VT_UNKNOWN:
    {
        /* get IDispatch interface from IUnknown interface */
        IUnknown *punk;
        IDispatch *pDispatch;
        void *p;
        HRESULT hr;

        if (V_ISBYREF(pvar))
            punk = *V_UNKNOWNREF(pvar);
        else
            punk = V_UNKNOWN(pvar);

        if(punk != NULL) {
           hr = punk->lpVtbl->QueryInterface(punk, &IID_IDispatch, &p);
           if(SUCCEEDED(hr)) {
               pDispatch = p;
               obj = create_win32ole_object(cWIN32OLE, pDispatch, 0, 0);
           }
        }
        break;
    }

    case VT_DATE:
    {
        DATE date;
        if(V_ISBYREF(pvar))
            date = *V_DATEREF(pvar);
        else
            date = V_DATE(pvar);

        obj =  vtdate2rbtime(date);
        break;
    }

    case VT_RECORD:
    {
        IRecordInfo *pri = V_RECORDINFO(pvar);
        void *prec = V_RECORD(pvar);
        obj = create_win32ole_record(pri, prec);
        break;
    }

    case VT_CY:
    default:
        {
        HRESULT hr;
        VARIANT variant;
        VariantInit(&variant);
        hr = VariantChangeTypeEx(&variant, pvar,
                                  cWIN32OLE_lcid, 0, VT_BSTR);
        if (SUCCEEDED(hr) && V_VT(&variant) == VT_BSTR) {
            obj = ole_wc2vstr(V_BSTR(&variant), FALSE);
        }
        VariantClear(&variant);
        break;
        }
    }
    return obj;
}

LONG
reg_open_key(HKEY hkey, const char *name, HKEY *phkey)
{
    return RegOpenKeyEx(hkey, name, 0, KEY_READ, phkey);
}

LONG
reg_open_vkey(HKEY hkey, VALUE key, HKEY *phkey)
{
    return reg_open_key(hkey, StringValuePtr(key), phkey);
}

VALUE
reg_enum_key(HKEY hkey, DWORD i)
{
    char buf[BUFSIZ + 1];
    DWORD size_buf = sizeof(buf);
    FILETIME ft;
    LONG err = RegEnumKeyEx(hkey, i, buf, &size_buf,
                            NULL, NULL, NULL, &ft);
    if(err == ERROR_SUCCESS) {
        buf[BUFSIZ] = '\0';
        return rb_str_new2(buf);
    }
    return Qnil;
}

VALUE
reg_get_val(HKEY hkey, const char *subkey)
{
    char *pbuf;
    DWORD dwtype = 0;
    DWORD size = 0;
    VALUE val = Qnil;
    LONG err = RegQueryValueEx(hkey, subkey, NULL, &dwtype, NULL, &size);

    if (err == ERROR_SUCCESS) {
        pbuf = ALLOC_N(char, size + 1);
        err = RegQueryValueEx(hkey, subkey, NULL, &dwtype, (BYTE *)pbuf, &size);
        if (err == ERROR_SUCCESS) {
            pbuf[size] = '\0';
            if (dwtype == REG_EXPAND_SZ) {
		char* pbuf2 = (char *)pbuf;
		DWORD len = ExpandEnvironmentStrings(pbuf2, NULL, 0);
		pbuf = ALLOC_N(char, len + 1);
		ExpandEnvironmentStrings(pbuf2, pbuf, len + 1);
		free(pbuf2);
            }
            val = rb_str_new2((char *)pbuf);
        }
        free(pbuf);
    }
    return val;
}

VALUE
reg_get_val2(HKEY hkey, const char *subkey)
{
    HKEY hsubkey;
    LONG err;
    VALUE val = Qnil;
    err = RegOpenKeyEx(hkey, subkey, 0, KEY_READ, &hsubkey);
    if (err == ERROR_SUCCESS) {
        val = reg_get_val(hsubkey, NULL);
        RegCloseKey(hsubkey);
    }
    if (val == Qnil) {
        val = reg_get_val(hkey, subkey);
    }
    return val;
}

static void
ole_const_load(ITypeLib *pTypeLib, VALUE klass, VALUE self)
{
    unsigned int count;
    unsigned int index;
    int iVar;
    ITypeInfo *pTypeInfo;
    TYPEATTR  *pTypeAttr;
    VARDESC   *pVarDesc;
    HRESULT hr;
    unsigned int len;
    BSTR bstr;
    char *pName = NULL;
    VALUE val;
    VALUE constant;
    ID id;
    constant = rb_hash_new();
    count = pTypeLib->lpVtbl->GetTypeInfoCount(pTypeLib);
    for (index = 0; index < count; index++) {
        hr = pTypeLib->lpVtbl->GetTypeInfo(pTypeLib, index, &pTypeInfo);
        if (FAILED(hr))
            continue;
        hr = OLE_GET_TYPEATTR(pTypeInfo, &pTypeAttr);
        if(FAILED(hr)) {
            OLE_RELEASE(pTypeInfo);
            continue;
        }
        for(iVar = 0; iVar < pTypeAttr->cVars; iVar++) {
            hr = pTypeInfo->lpVtbl->GetVarDesc(pTypeInfo, iVar, &pVarDesc);
            if(FAILED(hr))
                continue;
            if(pVarDesc->varkind == VAR_CONST &&
               !(pVarDesc->wVarFlags & (VARFLAG_FHIDDEN |
                                        VARFLAG_FRESTRICTED |
                                        VARFLAG_FNONBROWSABLE))) {
                hr = pTypeInfo->lpVtbl->GetNames(pTypeInfo, pVarDesc->memid, &bstr,
                                                 1, &len);
                if(FAILED(hr) || len == 0 || !bstr)
                    continue;
                pName = ole_wc2mb(bstr);
                val = ole_variant2val(V_UNION1(pVarDesc, lpvarValue));
                *pName = toupper((int)*pName);
                id = rb_intern(pName);
                if (rb_is_const_id(id)) {
                    rb_define_const(klass, pName, val);
                }
                else {
                    rb_hash_aset(constant, rb_str_new2(pName), val);
                }
                SysFreeString(bstr);
                if(pName) {
                    free(pName);
                    pName = NULL;
                }
            }
            pTypeInfo->lpVtbl->ReleaseVarDesc(pTypeInfo, pVarDesc);
        }
        pTypeInfo->lpVtbl->ReleaseTypeAttr(pTypeInfo, pTypeAttr);
        OLE_RELEASE(pTypeInfo);
    }
    rb_define_const(klass, "CONSTANTS", constant);
}

static HRESULT
clsid_from_remote(VALUE host, VALUE com, CLSID *pclsid)
{
    HKEY hlm;
    HKEY hpid;
    VALUE subkey;
    LONG err;
    char clsid[100];
    OLECHAR *pbuf;
    DWORD len;
    DWORD dwtype;
    HRESULT hr = S_OK;
    err = RegConnectRegistry(StringValuePtr(host), HKEY_LOCAL_MACHINE, &hlm);
    if (err != ERROR_SUCCESS)
        return HRESULT_FROM_WIN32(err);
    subkey = rb_str_new2("SOFTWARE\\Classes\\");
    rb_str_concat(subkey, com);
    rb_str_cat2(subkey, "\\CLSID");
    err = RegOpenKeyEx(hlm, StringValuePtr(subkey), 0, KEY_READ, &hpid);
    if (err != ERROR_SUCCESS)
        hr = HRESULT_FROM_WIN32(err);
    else {
        len = sizeof(clsid);
        err = RegQueryValueEx(hpid, "", NULL, &dwtype, (BYTE *)clsid, &len);
        if (err == ERROR_SUCCESS && dwtype == REG_SZ) {
            pbuf = ole_mb2wc(clsid, -1, cWIN32OLE_cp);
            hr = CLSIDFromString(pbuf, pclsid);
            SysFreeString(pbuf);
        }
        else {
            hr = HRESULT_FROM_WIN32(err);
        }
        RegCloseKey(hpid);
    }
    RegCloseKey(hlm);
    return hr;
}

static VALUE
ole_create_dcom(VALUE self, VALUE ole, VALUE host, VALUE others)
{
    HRESULT hr;
    CLSID   clsid;
    OLECHAR *pbuf;

    COSERVERINFO serverinfo;
    MULTI_QI multi_qi;
    DWORD clsctx = CLSCTX_REMOTE_SERVER;

    if (!gole32)
        gole32 = LoadLibrary("OLE32");
    if (!gole32)
        rb_raise(rb_eRuntimeError, "failed to load OLE32");
    if (!gCoCreateInstanceEx)
        gCoCreateInstanceEx = (FNCOCREATEINSTANCEEX*)
            GetProcAddress(gole32, "CoCreateInstanceEx");
    if (!gCoCreateInstanceEx)
        rb_raise(rb_eRuntimeError, "CoCreateInstanceEx is not supported in this environment");

    pbuf  = ole_vstr2wc(ole);
    hr = CLSIDFromProgID(pbuf, &clsid);
    if (FAILED(hr))
        hr = clsid_from_remote(host, ole, &clsid);
    if (FAILED(hr))
        hr = CLSIDFromString(pbuf, &clsid);
    SysFreeString(pbuf);
    if (FAILED(hr))
        ole_raise(hr, eWIN32OLERuntimeError,
                  "unknown OLE server: `%s'",
                  StringValuePtr(ole));
    memset(&serverinfo, 0, sizeof(COSERVERINFO));
    serverinfo.pwszName = ole_vstr2wc(host);
    memset(&multi_qi, 0, sizeof(MULTI_QI));
    multi_qi.pIID = &IID_IDispatch;
    hr = gCoCreateInstanceEx(&clsid, NULL, clsctx, &serverinfo, 1, &multi_qi);
    SysFreeString(serverinfo.pwszName);
    if (FAILED(hr))
        ole_raise(hr, eWIN32OLERuntimeError,
                  "failed to create DCOM server `%s' in `%s'",
                  StringValuePtr(ole),
                  StringValuePtr(host));

    ole_set_member(self, (IDispatch*)multi_qi.pItf);
    return self;
}

static VALUE
ole_bind_obj(VALUE moniker, int argc, VALUE *argv, VALUE self)
{
    IBindCtx *pBindCtx;
    IMoniker *pMoniker;
    IDispatch *pDispatch;
    void *p;
    HRESULT hr;
    OLECHAR *pbuf;
    ULONG eaten = 0;

    ole_initialize();

    hr = CreateBindCtx(0, &pBindCtx);
    if(FAILED(hr)) {
        ole_raise(hr, eWIN32OLERuntimeError,
                  "failed to create bind context");
    }

    pbuf  = ole_vstr2wc(moniker);
    hr = MkParseDisplayName(pBindCtx, pbuf, &eaten, &pMoniker);
    SysFreeString(pbuf);
    if(FAILED(hr)) {
        OLE_RELEASE(pBindCtx);
        ole_raise(hr, eWIN32OLERuntimeError,
                  "failed to parse display name of moniker `%s'",
                  StringValuePtr(moniker));
    }
    hr = pMoniker->lpVtbl->BindToObject(pMoniker, pBindCtx, NULL,
                                        &IID_IDispatch, &p);
    pDispatch = p;
    OLE_RELEASE(pMoniker);
    OLE_RELEASE(pBindCtx);

    if(FAILED(hr)) {
        ole_raise(hr, eWIN32OLERuntimeError,
                  "failed to bind moniker `%s'",
                  StringValuePtr(moniker));
    }
    return create_win32ole_object(self, pDispatch, argc, argv);
}

/*
 *  call-seq:
 *     WIN32OLE.connect( ole ) --> aWIN32OLE
 *
 *  Returns running OLE Automation object or WIN32OLE object from moniker.
 *  1st argument should be OLE program id or class id or moniker.
 *
 *     WIN32OLE.connect('Excel.Application') # => WIN32OLE object which represents running Excel.
 */
static VALUE
fole_s_connect(int argc, VALUE *argv, VALUE self)
{
    VALUE svr_name;
    VALUE others;
    HRESULT hr;
    CLSID   clsid;
    OLECHAR *pBuf;
    IDispatch *pDispatch;
    void *p;
    IUnknown *pUnknown;

    /* initialize to use OLE */
    ole_initialize();

    rb_scan_args(argc, argv, "1*", &svr_name, &others);
    StringValue(svr_name);
    if (rb_safe_level() > 0 && OBJ_TAINTED(svr_name)) {
        rb_raise(rb_eSecurityError, "insecure connection - `%s'",
		StringValuePtr(svr_name));
    }

    /* get CLSID from OLE server name */
    pBuf = ole_vstr2wc(svr_name);
    hr = CLSIDFromProgID(pBuf, &clsid);
    if(FAILED(hr)) {
        hr = CLSIDFromString(pBuf, &clsid);
    }
    SysFreeString(pBuf);
    if(FAILED(hr)) {
        return ole_bind_obj(svr_name, argc, argv, self);
    }

    hr = GetActiveObject(&clsid, 0, &pUnknown);
    if (FAILED(hr)) {
        ole_raise(hr, eWIN32OLERuntimeError,
                  "OLE server `%s' not running", StringValuePtr(svr_name));
    }
    hr = pUnknown->lpVtbl->QueryInterface(pUnknown, &IID_IDispatch, &p);
    pDispatch = p;
    if(FAILED(hr)) {
        OLE_RELEASE(pUnknown);
        ole_raise(hr, eWIN32OLERuntimeError,
                  "failed to create WIN32OLE server `%s'",
                  StringValuePtr(svr_name));
    }

    OLE_RELEASE(pUnknown);

    return create_win32ole_object(self, pDispatch, argc, argv);
}

/*
 *  call-seq:
 *     WIN32OLE.const_load( ole, mod = WIN32OLE)
 *
 *  Defines the constants of OLE Automation server as mod's constants.
 *  The first argument is WIN32OLE object or type library name.
 *  If 2nd argument is omitted, the default is WIN32OLE.
 *  The first letter of Ruby's constant variable name is upper case,
 *  so constant variable name of WIN32OLE object is capitalized.
 *  For example, the 'xlTop' constant of Excel is changed to 'XlTop'
 *  in WIN32OLE.
 *  If the first letter of constant variable is not [A-Z], then
 *  the constant is defined as CONSTANTS hash element.
 *
 *     module EXCEL_CONST
 *     end
 *     excel = WIN32OLE.new('Excel.Application')
 *     WIN32OLE.const_load(excel, EXCEL_CONST)
 *     puts EXCEL_CONST::XlTop # => -4160
 *     puts EXCEL_CONST::CONSTANTS['_xlDialogChartSourceData'] # => 541
 *
 *     WIN32OLE.const_load(excel)
 *     puts WIN32OLE::XlTop # => -4160
 *
 *     module MSO
 *     end
 *     WIN32OLE.const_load('Microsoft Office 9.0 Object Library', MSO)
 *     puts MSO::MsoLineSingle # => 1
 */
static VALUE
fole_s_const_load(int argc, VALUE *argv, VALUE self)
{
    VALUE ole;
    VALUE klass;
    struct oledata *pole = NULL;
    ITypeInfo *pTypeInfo;
    ITypeLib *pTypeLib;
    unsigned int index;
    HRESULT hr;
    OLECHAR *pBuf;
    VALUE file;
    LCID    lcid = cWIN32OLE_lcid;

    rb_scan_args(argc, argv, "11", &ole, &klass);
    if (!RB_TYPE_P(klass, T_CLASS) &&
        !RB_TYPE_P(klass, T_MODULE) &&
        !RB_TYPE_P(klass, T_NIL)) {
        rb_raise(rb_eTypeError, "2nd parameter must be Class or Module");
    }
    if (rb_obj_is_kind_of(ole, cWIN32OLE)) {
        pole = oledata_get_struct(ole);
        hr = pole->pDispatch->lpVtbl->GetTypeInfo(pole->pDispatch,
                                                  0, lcid, &pTypeInfo);
        if(FAILED(hr)) {
            ole_raise(hr, rb_eRuntimeError, "failed to GetTypeInfo");
        }
        hr = pTypeInfo->lpVtbl->GetContainingTypeLib(pTypeInfo, &pTypeLib, &index);
        if(FAILED(hr)) {
            OLE_RELEASE(pTypeInfo);
            ole_raise(hr, rb_eRuntimeError, "failed to GetContainingTypeLib");
        }
        OLE_RELEASE(pTypeInfo);
        if(!RB_TYPE_P(klass, T_NIL)) {
            ole_const_load(pTypeLib, klass, self);
        }
        else {
            ole_const_load(pTypeLib, cWIN32OLE, self);
        }
        OLE_RELEASE(pTypeLib);
    }
    else if(RB_TYPE_P(ole, T_STRING)) {
        file = typelib_file(ole);
        if (file == Qnil) {
            file = ole;
        }
        pBuf = ole_vstr2wc(file);
        hr = LoadTypeLibEx(pBuf, REGKIND_NONE, &pTypeLib);
        SysFreeString(pBuf);
        if (FAILED(hr))
          ole_raise(hr, eWIN32OLERuntimeError, "failed to LoadTypeLibEx");
        if(!RB_TYPE_P(klass, T_NIL)) {
            ole_const_load(pTypeLib, klass, self);
        }
        else {
            ole_const_load(pTypeLib, cWIN32OLE, self);
        }
        OLE_RELEASE(pTypeLib);
    }
    else {
        rb_raise(rb_eTypeError, "1st parameter must be WIN32OLE instance");
    }
    return Qnil;
}

static ULONG
reference_count(struct oledata * pole)
{
    ULONG n = 0;
    if(pole->pDispatch) {
        OLE_ADDREF(pole->pDispatch);
        n = OLE_RELEASE(pole->pDispatch);
    }
    return n;
}

/*
 *  call-seq:
 *     WIN32OLE.ole_reference_count(aWIN32OLE) --> number
 *
 *  Returns reference counter of Dispatch interface of WIN32OLE object.
 *  You should not use this method because this method
 *  exists only for debugging WIN32OLE.
 */
static VALUE
fole_s_reference_count(VALUE self, VALUE obj)
{
    struct oledata * pole = NULL;
    pole = oledata_get_struct(obj);
    return RB_INT2NUM(reference_count(pole));
}

/*
 *  call-seq:
 *     WIN32OLE.ole_free(aWIN32OLE) --> number
 *
 *  Invokes Release method of Dispatch interface of WIN32OLE object.
 *  You should not use this method because this method
 *  exists only for debugging WIN32OLE.
 *  The return value is reference counter of OLE object.
 */
static VALUE
fole_s_free(VALUE self, VALUE obj)
{
    ULONG n = 0;
    struct oledata * pole = NULL;
    pole = oledata_get_struct(obj);
    if(pole->pDispatch) {
        if (reference_count(pole) > 0) {
            n = OLE_RELEASE(pole->pDispatch);
        }
    }
    return RB_INT2NUM(n);
}

static HWND
ole_show_help(VALUE helpfile, VALUE helpcontext)
{
    FNHTMLHELP *pfnHtmlHelp;
    HWND hwnd = 0;

    if(!ghhctrl)
        ghhctrl = LoadLibrary("HHCTRL.OCX");
    if (!ghhctrl)
        return hwnd;
    pfnHtmlHelp = (FNHTMLHELP*)GetProcAddress(ghhctrl, "HtmlHelpA");
    if (!pfnHtmlHelp)
        return hwnd;
    hwnd = pfnHtmlHelp(GetDesktopWindow(), StringValuePtr(helpfile),
                    0x0f, RB_NUM2INT(helpcontext));
    if (hwnd == 0)
        hwnd = pfnHtmlHelp(GetDesktopWindow(), StringValuePtr(helpfile),
                 0,  RB_NUM2INT(helpcontext));
    return hwnd;
}

/*
 *  call-seq:
 *     WIN32OLE.ole_show_help(obj [,helpcontext])
 *
 *  Displays helpfile. The 1st argument specifies WIN32OLE_TYPE
 *  object or WIN32OLE_METHOD object or helpfile.
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     typeobj = excel.ole_type
 *     WIN32OLE.ole_show_help(typeobj)
 */
static VALUE
fole_s_show_help(int argc, VALUE *argv, VALUE self)
{
    VALUE target;
    VALUE helpcontext;
    VALUE helpfile;
    VALUE name;
    HWND  hwnd;
    rb_scan_args(argc, argv, "11", &target, &helpcontext);
    if (rb_obj_is_kind_of(target, cWIN32OLE_TYPE) ||
        rb_obj_is_kind_of(target, cWIN32OLE_METHOD)) {
        helpfile = rb_funcall(target, rb_intern("helpfile"), 0);
        if(strlen(StringValuePtr(helpfile)) == 0) {
            name = rb_ivar_get(target, rb_intern("name"));
            rb_raise(rb_eRuntimeError, "no helpfile of `%s'",
                     StringValuePtr(name));
        }
        helpcontext = rb_funcall(target, rb_intern("helpcontext"), 0);
    } else {
        helpfile = target;
    }
    if (!RB_TYPE_P(helpfile, T_STRING)) {
        rb_raise(rb_eTypeError, "1st parameter must be (String|WIN32OLE_TYPE|WIN32OLE_METHOD)");
    }
    hwnd = ole_show_help(helpfile, helpcontext);
    if(hwnd == 0) {
        rb_raise(rb_eRuntimeError, "failed to open help file `%s'",
                 StringValuePtr(helpfile));
    }
    return Qnil;
}

/*
 *  call-seq:
 *     WIN32OLE.codepage
 *
 *  Returns current codepage.
 *     WIN32OLE.codepage # => WIN32OLE::CP_ACP
 */
static VALUE
fole_s_get_code_page(VALUE self)
{
    return RB_INT2FIX(cWIN32OLE_cp);
}

static BOOL CALLBACK
installed_code_page_proc(LPTSTR str) {
    if (strtoul(str, NULL, 10) == g_cp_to_check) {
        g_cp_installed = TRUE;
        return FALSE;
    }
    return TRUE;
}

static BOOL
code_page_installed(UINT cp)
{
    g_cp_installed = FALSE;
    g_cp_to_check = cp;
    EnumSystemCodePages(installed_code_page_proc, CP_INSTALLED);
    return g_cp_installed;
}

/*
 *  call-seq:
 *     WIN32OLE.codepage = CP
 *
 *  Sets current codepage.
 *  The WIN32OLE.codepage is initialized according to
 *  Encoding.default_internal.
 *  If Encoding.default_internal is nil then WIN32OLE.codepage
 *  is initialized according to Encoding.default_external.
 *
 *     WIN32OLE.codepage = WIN32OLE::CP_UTF8
 *     WIN32OLE.codepage = 65001
 */
static VALUE
fole_s_set_code_page(VALUE self, VALUE vcp)
{
    UINT cp = RB_FIX2INT(vcp);
    set_ole_codepage(cp);
    /*
     * Should this method return old codepage?
     */
    return Qnil;
}

/*
 *  call-seq:
 *     WIN32OLE.locale -> locale id.
 *
 *  Returns current locale id (lcid). The default locale is
 *  WIN32OLE::LOCALE_SYSTEM_DEFAULT.
 *
 *     lcid = WIN32OLE.locale
 */
static VALUE
fole_s_get_locale(VALUE self)
{
    return RB_INT2FIX(cWIN32OLE_lcid);
}

static BOOL
CALLBACK installed_lcid_proc(LPTSTR str)
{
    if (strcmp(str, g_lcid_to_check) == 0) {
        g_lcid_installed = TRUE;
        return FALSE;
    }
    return TRUE;
}

static BOOL
lcid_installed(LCID lcid)
{
    g_lcid_installed = FALSE;
    snprintf(g_lcid_to_check, sizeof(g_lcid_to_check), "%08lx", (unsigned long)lcid);
    EnumSystemLocales(installed_lcid_proc, LCID_INSTALLED);
    return g_lcid_installed;
}

/*
 *  call-seq:
 *     WIN32OLE.locale = lcid
 *
 *  Sets current locale id (lcid).
 *
 *     WIN32OLE.locale = 1033 # set locale English(U.S)
 *     obj = WIN32OLE_VARIANT.new("$100,000", WIN32OLE::VARIANT::VT_CY)
 *
 */
static VALUE
fole_s_set_locale(VALUE self, VALUE vlcid)
{
    LCID lcid = RB_FIX2INT(vlcid);
    if (lcid_installed(lcid)) {
        cWIN32OLE_lcid = lcid;
    } else {
        switch (lcid) {
        case LOCALE_SYSTEM_DEFAULT:
        case LOCALE_USER_DEFAULT:
            cWIN32OLE_lcid = lcid;
            break;
        default:
            rb_raise(eWIN32OLERuntimeError, "not installed locale: %u", (unsigned int)lcid);
        }
    }
    return Qnil;
}

/*
 *  call-seq:
 *     WIN32OLE.create_guid
 *
 *  Creates GUID.
 *     WIN32OLE.create_guid # => {1CB530F1-F6B1-404D-BCE6-1959BF91F4A8}
 */
static VALUE
fole_s_create_guid(VALUE self)
{
    GUID guid;
    HRESULT hr;
    OLECHAR bstr[80];
    int len = 0;
    hr = CoCreateGuid(&guid);
    if (FAILED(hr)) {
        ole_raise(hr, eWIN32OLERuntimeError, "failed to create GUID");
    }
    len = StringFromGUID2(&guid, bstr, sizeof(bstr)/sizeof(OLECHAR));
    if (len == 0) {
        rb_raise(rb_eRuntimeError, "failed to create GUID(buffer over)");
    }
    return ole_wc2vstr(bstr, FALSE);
}

/*
 * WIN32OLE.ole_initialize and WIN32OLE.ole_uninitialize
 * are used in win32ole.rb to fix the issue bug #2618 (ruby-core:27634).
 * You must not use these method.
 */

/* :nodoc: */
static VALUE
fole_s_ole_initialize(VALUE self)
{
    ole_initialize();
    return Qnil;
}

/* :nodoc: */
static VALUE
fole_s_ole_uninitialize(VALUE self)
{
    ole_uninitialize();
    return Qnil;
}

/*
 * Document-class: WIN32OLE
 *
 *   <code>WIN32OLE</code> objects represent OLE Automation object in Ruby.
 *
 *   By using WIN32OLE, you can access OLE server like VBScript.
 *
 *   Here is sample script.
 *
 *     require 'win32ole'
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     excel.visible = true
 *     workbook = excel.Workbooks.Add();
 *     worksheet = workbook.Worksheets(1);
 *     worksheet.Range("A1:D1").value = ["North","South","East","West"];
 *     worksheet.Range("A2:B2").value = [5.2, 10];
 *     worksheet.Range("C2").value = 8;
 *     worksheet.Range("D2").value = 20;
 *
 *     range = worksheet.Range("A1:D2");
 *     range.select
 *     chart = workbook.Charts.Add;
 *
 *     workbook.saved = true;
 *
 *     excel.ActiveWorkbook.Close(0);
 *     excel.Quit();
 *
 *   Unfortunately, Win32OLE doesn't support the argument passed by
 *   reference directly.
 *   Instead, Win32OLE provides WIN32OLE::ARGV or WIN32OLE_VARIANT object.
 *   If you want to get the result value of argument passed by reference,
 *   you can use WIN32OLE::ARGV or WIN32OLE_VARIANT.
 *
 *     oleobj.method(arg1, arg2, refargv3)
 *     puts WIN32OLE::ARGV[2]   # the value of refargv3 after called oleobj.method
 *
 *   or
 *
 *     refargv3 = WIN32OLE_VARIANT.new(XXX,
 *                 WIN32OLE::VARIANT::VT_BYREF|WIN32OLE::VARIANT::VT_XXX)
 *     oleobj.method(arg1, arg2, refargv3)
 *     p refargv3.value # the value of refargv3 after called oleobj.method.
 *
 */

/*
 *  call-seq:
 *     WIN32OLE.new(server, [host]) -> WIN32OLE object
 *
 *  Returns a new WIN32OLE object(OLE Automation object).
 *  The first argument server specifies OLE Automation server.
 *  The first argument should be CLSID or PROGID.
 *  If second argument host specified, then returns OLE Automation
 *  object on host.
 *
 *      WIN32OLE.new('Excel.Application') # => Excel OLE Automation WIN32OLE object.
 *      WIN32OLE.new('{00024500-0000-0000-C000-000000000046}') # => Excel OLE Automation WIN32OLE object.
 */
static VALUE
fole_initialize(int argc, VALUE *argv, VALUE self)
{
    VALUE svr_name;
    VALUE host;
    VALUE others;
    HRESULT hr;
    CLSID   clsid;
    OLECHAR *pBuf;
    IDispatch *pDispatch;
    void *p;
    rb_call_super(0, 0);
    rb_scan_args(argc, argv, "11*", &svr_name, &host, &others);

    StringValue(svr_name);
    if (rb_safe_level() > 0 && OBJ_TAINTED(svr_name)) {
        rb_raise(rb_eSecurityError, "insecure object creation - `%s'",
                 StringValuePtr(svr_name));
    }
    if (!NIL_P(host)) {
        StringValue(host);
        if (rb_safe_level() > 0 && OBJ_TAINTED(host)) {
            rb_raise(rb_eSecurityError, "insecure object creation - `%s'",
                     StringValuePtr(host));
        }
        return ole_create_dcom(self, svr_name, host, others);
    }

    /* get CLSID from OLE server name */
    pBuf  = ole_vstr2wc(svr_name);
    hr = CLSIDFromProgID(pBuf, &clsid);
    if(FAILED(hr)) {
        hr = CLSIDFromString(pBuf, &clsid);
    }
    SysFreeString(pBuf);
    if(FAILED(hr)) {
        ole_raise(hr, eWIN32OLERuntimeError,
                  "unknown OLE server: `%s'",
                  StringValuePtr(svr_name));
    }

    /* get IDispatch interface */
    hr = CoCreateInstance(&clsid, NULL, CLSCTX_INPROC_SERVER | CLSCTX_LOCAL_SERVER,
                          &IID_IDispatch, &p);
    pDispatch = p;
    if(FAILED(hr)) {
        ole_raise(hr, eWIN32OLERuntimeError,
                  "failed to create WIN32OLE object from `%s'",
                  StringValuePtr(svr_name));
    }

    ole_set_member(self, pDispatch);
    return self;
}

static int
hash2named_arg(VALUE key, VALUE val, VALUE pop)
{
    struct oleparam* pOp = (struct oleparam *)pop;
    unsigned int index, i;
    index = pOp->dp.cNamedArgs;
    /*---------------------------------------------
      the data-type of key must be String or Symbol
    -----------------------------------------------*/
    if(!RB_TYPE_P(key, T_STRING) && !RB_TYPE_P(key, T_SYMBOL)) {
        /* clear name of dispatch parameters */
        for(i = 1; i < index + 1; i++) {
            SysFreeString(pOp->pNamedArgs[i]);
        }
        /* clear dispatch parameters */
        for(i = 0; i < index; i++ ) {
            VariantClear(&(pOp->dp.rgvarg[i]));
        }
        /* raise an exception */
        rb_raise(rb_eTypeError, "wrong argument type (expected String or Symbol)");
    }
    if (RB_TYPE_P(key, T_SYMBOL)) {
	key = rb_sym2str(key);
    }

    /* pNamedArgs[0] is <method name>, so "index + 1" */
    pOp->pNamedArgs[index + 1] = ole_vstr2wc(key);

    VariantInit(&(pOp->dp.rgvarg[index]));
    ole_val2variant(val, &(pOp->dp.rgvarg[index]));

    pOp->dp.cNamedArgs += 1;
    return ST_CONTINUE;
}

static VALUE
set_argv(VARIANTARG* realargs, unsigned int beg, unsigned int end)
{
    VALUE argv = rb_const_get(cWIN32OLE, rb_intern("ARGV"));

    Check_Type(argv, T_ARRAY);
    rb_ary_clear(argv);
    while (end-- > beg) {
        rb_ary_push(argv, ole_variant2val(&realargs[end]));
        if (V_VT(&realargs[end]) != VT_RECORD) {
            VariantClear(&realargs[end]);
        }
    }
    return argv;
}

static VALUE
ole_invoke(int argc, VALUE *argv, VALUE self, USHORT wFlags, BOOL is_bracket)
{
    LCID    lcid = cWIN32OLE_lcid;
    struct oledata *pole = NULL;
    HRESULT hr;
    VALUE cmd;
    VALUE paramS;
    VALUE param;
    VALUE obj;
    VALUE v;

    BSTR wcmdname;

    DISPID DispID;
    DISPID* pDispID;
    EXCEPINFO excepinfo;
    VARIANT result;
    VARIANTARG* realargs = NULL;
    unsigned int argErr = 0;
    unsigned int i;
    unsigned int cNamedArgs;
    int n;
    struct oleparam op;
    memset(&excepinfo, 0, sizeof(EXCEPINFO));

    VariantInit(&result);

    op.dp.rgvarg = NULL;
    op.dp.rgdispidNamedArgs = NULL;
    op.dp.cNamedArgs = 0;
    op.dp.cArgs = 0;

    rb_scan_args(argc, argv, "1*", &cmd, &paramS);
    if(!RB_TYPE_P(cmd, T_STRING) && !RB_TYPE_P(cmd, T_SYMBOL) && !is_bracket) {
	rb_raise(rb_eTypeError, "method is wrong type (expected String or Symbol)");
    }
    if (RB_TYPE_P(cmd, T_SYMBOL)) {
	cmd = rb_sym2str(cmd);
    }
    pole = oledata_get_struct(self);
    if(!pole->pDispatch) {
        rb_raise(rb_eRuntimeError, "failed to get dispatch interface");
    }
    if (is_bracket) {
        DispID = DISPID_VALUE;
        argc += 1;
	rb_ary_unshift(paramS, cmd);
    } else {
        wcmdname = ole_vstr2wc(cmd);
        hr = pole->pDispatch->lpVtbl->GetIDsOfNames( pole->pDispatch, &IID_NULL,
                &wcmdname, 1, lcid, &DispID);
        SysFreeString(wcmdname);
        if(FAILED(hr)) {
            ole_raise(hr, rb_eNoMethodError,
                    "unknown property or method: `%s'",
                    StringValuePtr(cmd));
        }
    }

    /* pick up last argument of method */
    param = rb_ary_entry(paramS, argc-2);

    op.dp.cNamedArgs = 0;

    /* if last arg is hash object */
    if(RB_TYPE_P(param, T_HASH)) {
        /*------------------------------------------
          hash object ==> named dispatch parameters
        --------------------------------------------*/
        cNamedArgs = rb_long2int(RHASH_SIZE(param));
        op.dp.cArgs = cNamedArgs + argc - 2;
        op.pNamedArgs = ALLOCA_N(OLECHAR*, cNamedArgs + 1);
        op.dp.rgvarg = ALLOCA_N(VARIANTARG, op.dp.cArgs);

        rb_hash_foreach(param, hash2named_arg, (VALUE)&op);

        pDispID = ALLOCA_N(DISPID, cNamedArgs + 1);
        op.pNamedArgs[0] = ole_vstr2wc(cmd);
        hr = pole->pDispatch->lpVtbl->GetIDsOfNames(pole->pDispatch,
                                                    &IID_NULL,
                                                    op.pNamedArgs,
                                                    op.dp.cNamedArgs + 1,
                                                    lcid, pDispID);
        for(i = 0; i < op.dp.cNamedArgs + 1; i++) {
            SysFreeString(op.pNamedArgs[i]);
            op.pNamedArgs[i] = NULL;
        }
        if(FAILED(hr)) {
            /* clear dispatch parameters */
            for(i = 0; i < op.dp.cArgs; i++ ) {
                VariantClear(&op.dp.rgvarg[i]);
            }
            ole_raise(hr, eWIN32OLERuntimeError,
                      "failed to get named argument info: `%s'",
                      StringValuePtr(cmd));
        }
        op.dp.rgdispidNamedArgs = &(pDispID[1]);
    }
    else {
        cNamedArgs = 0;
        op.dp.cArgs = argc - 1;
        op.pNamedArgs = ALLOCA_N(OLECHAR*, cNamedArgs + 1);
        if (op.dp.cArgs > 0) {
            op.dp.rgvarg  = ALLOCA_N(VARIANTARG, op.dp.cArgs);
        }
    }
    /*--------------------------------------
      non hash args ==> dispatch parameters
     ----------------------------------------*/
    if(op.dp.cArgs > cNamedArgs) {
        realargs = ALLOCA_N(VARIANTARG, op.dp.cArgs-cNamedArgs+1);
        for(i = cNamedArgs; i < op.dp.cArgs; i++) {
            n = op.dp.cArgs - i + cNamedArgs - 1;
            VariantInit(&realargs[n]);
            VariantInit(&op.dp.rgvarg[n]);
            param = rb_ary_entry(paramS, i-cNamedArgs);
            if (rb_obj_is_kind_of(param, cWIN32OLE_VARIANT)) {
                ole_variant2variant(param, &op.dp.rgvarg[n]);
            } else if (rb_obj_is_kind_of(param, cWIN32OLE_RECORD)) {
                ole_val2variant(param, &realargs[n]);
                op.dp.rgvarg[n] = realargs[n];
                V_VT(&op.dp.rgvarg[n]) = VT_RECORD | VT_BYREF;
            } else {
                ole_val2variant(param, &realargs[n]);
                V_VT(&op.dp.rgvarg[n]) = VT_VARIANT | VT_BYREF;
                V_VARIANTREF(&op.dp.rgvarg[n]) = &realargs[n];
            }
        }
    }
    /* apparent you need to call propput, you need this */
    if (wFlags & DISPATCH_PROPERTYPUT) {
        if (op.dp.cArgs == 0)
            ole_raise(ResultFromScode(E_INVALIDARG), eWIN32OLERuntimeError, "argument error");

        op.dp.cNamedArgs = 1;
        op.dp.rgdispidNamedArgs = ALLOCA_N( DISPID, 1 );
        op.dp.rgdispidNamedArgs[0] = DISPID_PROPERTYPUT;
    }
    hr = pole->pDispatch->lpVtbl->Invoke(pole->pDispatch, DispID,
                                         &IID_NULL, lcid, wFlags, &op.dp,
                                         &result, &excepinfo, &argErr);

    if (FAILED(hr)) {
        /* retry to call args by value */
        if(op.dp.cArgs >= cNamedArgs) {
            for(i = cNamedArgs; i < op.dp.cArgs; i++) {
                n = op.dp.cArgs - i + cNamedArgs - 1;
                param = rb_ary_entry(paramS, i-cNamedArgs);
                ole_val2variant(param, &op.dp.rgvarg[n]);
            }
            if (hr == DISP_E_EXCEPTION) {
                ole_freeexceptinfo(&excepinfo);
            }
            memset(&excepinfo, 0, sizeof(EXCEPINFO));
            VariantInit(&result);
            hr = pole->pDispatch->lpVtbl->Invoke(pole->pDispatch, DispID,
                                                 &IID_NULL, lcid, wFlags,
                                                 &op.dp, &result,
                                                 &excepinfo, &argErr);

            /* mega kludge. if a method in WORD is called and we ask
             * for a result when one is not returned then
             * hResult == DISP_E_EXCEPTION. this only happens on
             * functions whose DISPID > 0x8000 */
            if ((hr == DISP_E_EXCEPTION || hr == DISP_E_MEMBERNOTFOUND) && DispID > 0x8000) {
                if (hr == DISP_E_EXCEPTION) {
                    ole_freeexceptinfo(&excepinfo);
                }
                memset(&excepinfo, 0, sizeof(EXCEPINFO));
                hr = pole->pDispatch->lpVtbl->Invoke(pole->pDispatch, DispID,
                        &IID_NULL, lcid, wFlags,
                        &op.dp, NULL,
                        &excepinfo, &argErr);

            }
            for(i = cNamedArgs; i < op.dp.cArgs; i++) {
                n = op.dp.cArgs - i + cNamedArgs - 1;
                if (V_VT(&op.dp.rgvarg[n]) != VT_RECORD) {
                    VariantClear(&op.dp.rgvarg[n]);
                }
            }
        }

        if (FAILED(hr)) {
            /* retry after converting nil to VT_EMPTY */
            if (op.dp.cArgs > cNamedArgs) {
                for(i = cNamedArgs; i < op.dp.cArgs; i++) {
                    n = op.dp.cArgs - i + cNamedArgs - 1;
                    param = rb_ary_entry(paramS, i-cNamedArgs);
                    ole_val2variant2(param, &op.dp.rgvarg[n]);
                }
                if (hr == DISP_E_EXCEPTION) {
                    ole_freeexceptinfo(&excepinfo);
                }
                memset(&excepinfo, 0, sizeof(EXCEPINFO));
                VariantInit(&result);
                hr = pole->pDispatch->lpVtbl->Invoke(pole->pDispatch, DispID,
                        &IID_NULL, lcid, wFlags,
                        &op.dp, &result,
                        &excepinfo, &argErr);
                for(i = cNamedArgs; i < op.dp.cArgs; i++) {
                    n = op.dp.cArgs - i + cNamedArgs - 1;
                    if (V_VT(&op.dp.rgvarg[n]) != VT_RECORD) {
                        VariantClear(&op.dp.rgvarg[n]);
                    }
                }
            }
        }

    }
    /* clear dispatch parameter */
    if(op.dp.cArgs > cNamedArgs) {
        for(i = cNamedArgs; i < op.dp.cArgs; i++) {
            n = op.dp.cArgs - i + cNamedArgs - 1;
            param = rb_ary_entry(paramS, i-cNamedArgs);
            if (rb_obj_is_kind_of(param, cWIN32OLE_VARIANT)) {
                ole_val2variant(param, &realargs[n]);
            } else if ( rb_obj_is_kind_of(param, cWIN32OLE_RECORD) &&
                        V_VT(&realargs[n]) == VT_RECORD ) {
                olerecord_set_ivar(param, V_RECORDINFO(&realargs[n]), V_RECORD(&realargs[n]));
            }
        }
        set_argv(realargs, cNamedArgs, op.dp.cArgs);
    }
    else {
        for(i = 0; i < op.dp.cArgs; i++) {
            VariantClear(&op.dp.rgvarg[i]);
        }
    }

    if (FAILED(hr)) {
        v = ole_excepinfo2msg(&excepinfo);
        ole_raise(hr, eWIN32OLERuntimeError, "(in OLE method `%s': )%s",
                  StringValuePtr(cmd),
                  StringValuePtr(v));
    }
    obj = ole_variant2val(&result);
    VariantClear(&result);
    return obj;
}

/*
 *  call-seq:
 *     WIN32OLE#invoke(method, [arg1,...])  => return value of method.
 *
 *  Runs OLE method.
 *  The first argument specifies the method name of OLE Automation object.
 *  The others specify argument of the <i>method</i>.
 *  If you can not execute <i>method</i> directly, then use this method instead.
 *
 *    excel = WIN32OLE.new('Excel.Application')
 *    excel.invoke('Quit')  # => same as excel.Quit
 *
 */
static VALUE
fole_invoke(int argc, VALUE *argv, VALUE self)
{
    return ole_invoke(argc, argv, self, DISPATCH_METHOD|DISPATCH_PROPERTYGET, FALSE);
}

static VALUE
ole_invoke2(VALUE self, VALUE dispid, VALUE args, VALUE types, USHORT dispkind)
{
    HRESULT hr;
    struct oledata *pole = NULL;
    unsigned int argErr = 0;
    EXCEPINFO excepinfo;
    VARIANT result;
    DISPPARAMS dispParams;
    VARIANTARG* realargs = NULL;
    int i, j;
    VALUE obj = Qnil;
    VALUE tp, param;
    VALUE v;
    VARTYPE vt;

    Check_Type(args, T_ARRAY);
    Check_Type(types, T_ARRAY);

    memset(&excepinfo, 0, sizeof(EXCEPINFO));
    memset(&dispParams, 0, sizeof(DISPPARAMS));
    VariantInit(&result);
    pole = oledata_get_struct(self);

    dispParams.cArgs = RARRAY_LEN(args);
    dispParams.rgvarg = ALLOCA_N(VARIANTARG, dispParams.cArgs);
    realargs = ALLOCA_N(VARIANTARG, dispParams.cArgs);
    for (i = 0, j = dispParams.cArgs - 1; i < (int)dispParams.cArgs; i++, j--)
    {
        VariantInit(&realargs[i]);
        VariantInit(&dispParams.rgvarg[i]);
        tp = rb_ary_entry(types, j);
        vt = (VARTYPE)RB_FIX2INT(tp);
        V_VT(&dispParams.rgvarg[i]) = vt;
        param = rb_ary_entry(args, j);
        if (param == Qnil)
        {

            V_VT(&dispParams.rgvarg[i]) = V_VT(&realargs[i]) = VT_ERROR;
            V_ERROR(&dispParams.rgvarg[i]) = V_ERROR(&realargs[i]) = DISP_E_PARAMNOTFOUND;
        }
        else
        {
            if (vt & VT_ARRAY)
            {
                int ent;
                LPBYTE pb;
                short* ps;
                LPLONG pl;
                VARIANT* pv;
                CY *py;
                VARTYPE v;
                SAFEARRAYBOUND rgsabound[1];
                Check_Type(param, T_ARRAY);
                rgsabound[0].lLbound = 0;
                rgsabound[0].cElements = RARRAY_LEN(param);
                v = vt & ~(VT_ARRAY | VT_BYREF);
                V_ARRAY(&realargs[i]) = SafeArrayCreate(v, 1, rgsabound);
                V_VT(&realargs[i]) = VT_ARRAY | v;
                SafeArrayLock(V_ARRAY(&realargs[i]));
                pb = V_ARRAY(&realargs[i])->pvData;
                ps = V_ARRAY(&realargs[i])->pvData;
                pl = V_ARRAY(&realargs[i])->pvData;
                py = V_ARRAY(&realargs[i])->pvData;
                pv = V_ARRAY(&realargs[i])->pvData;
                for (ent = 0; ent < (int)rgsabound[0].cElements; ent++)
                {
                    VARIANT velem;
                    VALUE elem = rb_ary_entry(param, ent);
                    ole_val2variant(elem, &velem);
                    if (v != VT_VARIANT)
                    {
                        VariantChangeTypeEx(&velem, &velem,
                            cWIN32OLE_lcid, 0, v);
                    }
                    switch (v)
                    {
                    /* 128 bits */
                    case VT_VARIANT:
                        *pv++ = velem;
                        break;
                    /* 64 bits */
                    case VT_R8:
                    case VT_CY:
                    case VT_DATE:
                        *py++ = V_CY(&velem);
                        break;
                    /* 16 bits */
                    case VT_BOOL:
                    case VT_I2:
                    case VT_UI2:
                        *ps++ = V_I2(&velem);
                        break;
                    /* 8 bites */
                    case VT_UI1:
                    case VT_I1:
                        *pb++ = V_UI1(&velem);
                        break;
                    /* 32 bits */
                    default:
                        *pl++ = V_I4(&velem);
                        break;
                    }
                }
                SafeArrayUnlock(V_ARRAY(&realargs[i]));
            }
            else
            {
                ole_val2variant(param, &realargs[i]);
                if ((vt & (~VT_BYREF)) != VT_VARIANT)
                {
                    hr = VariantChangeTypeEx(&realargs[i], &realargs[i],
                                             cWIN32OLE_lcid, 0,
                                             (VARTYPE)(vt & (~VT_BYREF)));
                    if (hr != S_OK)
                    {
                        rb_raise(rb_eTypeError, "not valid value");
                    }
                }
            }
            if ((vt & VT_BYREF) || vt == VT_VARIANT)
            {
                if (vt == VT_VARIANT)
                    V_VT(&dispParams.rgvarg[i]) = VT_VARIANT | VT_BYREF;
                switch (vt & (~VT_BYREF))
                {
                /* 128 bits */
                case VT_VARIANT:
                    V_VARIANTREF(&dispParams.rgvarg[i]) = &realargs[i];
                    break;
                /* 64 bits */
                case VT_R8:
                case VT_CY:
                case VT_DATE:
                    V_CYREF(&dispParams.rgvarg[i]) = &V_CY(&realargs[i]);
                    break;
                /* 16 bits */
                case VT_BOOL:
                case VT_I2:
                case VT_UI2:
                    V_I2REF(&dispParams.rgvarg[i]) = &V_I2(&realargs[i]);
                    break;
                /* 8 bites */
                case VT_UI1:
                case VT_I1:
                    V_UI1REF(&dispParams.rgvarg[i]) = &V_UI1(&realargs[i]);
                    break;
                /* 32 bits */
                default:
                    V_I4REF(&dispParams.rgvarg[i]) = &V_I4(&realargs[i]);
                    break;
                }
            }
            else
            {
                /* copy 64 bits of data */
                V_CY(&dispParams.rgvarg[i]) = V_CY(&realargs[i]);
            }
        }
    }

    if (dispkind & DISPATCH_PROPERTYPUT) {
        dispParams.cNamedArgs = 1;
        dispParams.rgdispidNamedArgs = ALLOCA_N( DISPID, 1 );
        dispParams.rgdispidNamedArgs[0] = DISPID_PROPERTYPUT;
    }

    hr = pole->pDispatch->lpVtbl->Invoke(pole->pDispatch, RB_NUM2INT(dispid),
                                         &IID_NULL, cWIN32OLE_lcid,
                                         dispkind,
                                         &dispParams, &result,
                                         &excepinfo, &argErr);

    if (FAILED(hr)) {
        v = ole_excepinfo2msg(&excepinfo);
        ole_raise(hr, eWIN32OLERuntimeError, "(in OLE method `<dispatch id:%d>': )%s",
                  RB_NUM2INT(dispid),
                  StringValuePtr(v));
    }

    /* clear dispatch parameter */
    if(dispParams.cArgs > 0) {
        set_argv(realargs, 0, dispParams.cArgs);
    }

    obj = ole_variant2val(&result);
    VariantClear(&result);
    return obj;
}

/*
 *   call-seq:
 *      WIN32OLE#_invoke(dispid, args, types)
 *
 *   Runs the early binding method.
 *   The 1st argument specifies dispatch ID,
 *   the 2nd argument specifies the array of arguments,
 *   the 3rd argument specifies the array of the type of arguments.
 *
 *      excel = WIN32OLE.new('Excel.Application')
 *      excel._invoke(302, [], []) #  same effect as excel.Quit
 */
static VALUE
fole_invoke2(VALUE self, VALUE dispid, VALUE args, VALUE types)
{
    return ole_invoke2(self, dispid, args, types, DISPATCH_METHOD);
}

/*
 *  call-seq:
 *     WIN32OLE#_getproperty(dispid, args, types)
 *
 *  Runs the early binding method to get property.
 *  The 1st argument specifies dispatch ID,
 *  the 2nd argument specifies the array of arguments,
 *  the 3rd argument specifies the array of the type of arguments.
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     puts excel._getproperty(558, [], []) # same effect as puts excel.visible
 */
static VALUE
fole_getproperty2(VALUE self, VALUE dispid, VALUE args, VALUE types)
{
    return ole_invoke2(self, dispid, args, types, DISPATCH_PROPERTYGET);
}

/*
 *   call-seq:
 *      WIN32OLE#_setproperty(dispid, args, types)
 *
 *   Runs the early binding method to set property.
 *   The 1st argument specifies dispatch ID,
 *   the 2nd argument specifies the array of arguments,
 *   the 3rd argument specifies the array of the type of arguments.
 *
 *      excel = WIN32OLE.new('Excel.Application')
 *      excel._setproperty(558, [true], [WIN32OLE::VARIANT::VT_BOOL]) # same effect as excel.visible = true
 */
static VALUE
fole_setproperty2(VALUE self, VALUE dispid, VALUE args, VALUE types)
{
    return ole_invoke2(self, dispid, args, types, DISPATCH_PROPERTYPUT);
}

/*
 *  call-seq:
 *     WIN32OLE[a1, a2, ...]=val
 *
 *  Sets the value to WIN32OLE object specified by a1, a2, ...
 *
 *     dict = WIN32OLE.new('Scripting.Dictionary')
 *     dict.add('ruby', 'RUBY')
 *     dict['ruby'] = 'Ruby'
 *     puts dict['ruby'] # => 'Ruby'
 *
 *  Remark: You can not use this method to set the property value.
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     # excel['Visible'] = true # This is error !!!
 *     excel.Visible = true # You should to use this style to set the property.
 *
 */
static VALUE
fole_setproperty_with_bracket(int argc, VALUE *argv, VALUE self)
{
    return ole_invoke(argc, argv, self, DISPATCH_PROPERTYPUT, TRUE);
}

/*
 *  call-seq:
 *     WIN32OLE.setproperty('property', [arg1, arg2,...] val)
 *
 *  Sets property of OLE object.
 *  When you want to set property with argument, you can use this method.
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     excel.Visible = true
 *     book = excel.workbooks.add
 *     sheet = book.worksheets(1)
 *     sheet.setproperty('Cells', 1, 2, 10) # => The B1 cell value is 10.
 */
static VALUE
fole_setproperty(int argc, VALUE *argv, VALUE self)
{
    return ole_invoke(argc, argv, self, DISPATCH_PROPERTYPUT, FALSE);
}

/*
 *  call-seq:
 *     WIN32OLE[a1,a2,...]
 *
 *  Returns the value of Collection specified by a1, a2,....
 *
 *     dict = WIN32OLE.new('Scripting.Dictionary')
 *     dict.add('ruby', 'Ruby')
 *     puts dict['ruby'] # => 'Ruby' (same as `puts dict.item('ruby')')
 *
 *  Remark: You can not use this method to get the property.
 *     excel = WIN32OLE.new('Excel.Application')
 *     # puts excel['Visible']  This is error !!!
 *     puts excel.Visible # You should to use this style to get the property.
 *
 */
static VALUE
fole_getproperty_with_bracket(int argc, VALUE *argv, VALUE self)
{
    return ole_invoke(argc, argv, self, DISPATCH_PROPERTYGET, TRUE);
}

static VALUE
ole_propertyput(VALUE self, VALUE property, VALUE value)
{
    struct oledata *pole = NULL;
    unsigned argErr;
    unsigned int index;
    HRESULT hr;
    EXCEPINFO excepinfo;
    DISPID dispID = DISPID_VALUE;
    DISPID dispIDParam = DISPID_PROPERTYPUT;
    USHORT wFlags = DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF;
    DISPPARAMS dispParams;
    VARIANTARG propertyValue[2];
    OLECHAR* pBuf[1];
    VALUE v;
    LCID    lcid = cWIN32OLE_lcid;
    dispParams.rgdispidNamedArgs = &dispIDParam;
    dispParams.rgvarg = propertyValue;
    dispParams.cNamedArgs = 1;
    dispParams.cArgs = 1;

    VariantInit(&propertyValue[0]);
    VariantInit(&propertyValue[1]);
    memset(&excepinfo, 0, sizeof(excepinfo));

    pole = oledata_get_struct(self);

    /* get ID from property name */
    pBuf[0]  = ole_vstr2wc(property);
    hr = pole->pDispatch->lpVtbl->GetIDsOfNames(pole->pDispatch, &IID_NULL,
                                                pBuf, 1, lcid, &dispID);
    SysFreeString(pBuf[0]);
    pBuf[0] = NULL;

    if(FAILED(hr)) {
        ole_raise(hr, eWIN32OLERuntimeError,
                  "unknown property or method: `%s'",
                  StringValuePtr(property));
    }
    /* set property value */
    ole_val2variant(value, &propertyValue[0]);
    hr = pole->pDispatch->lpVtbl->Invoke(pole->pDispatch, dispID, &IID_NULL,
                                         lcid, wFlags, &dispParams,
                                         NULL, &excepinfo, &argErr);

    for(index = 0; index < dispParams.cArgs; ++index) {
        VariantClear(&propertyValue[index]);
    }
    if (FAILED(hr)) {
        v = ole_excepinfo2msg(&excepinfo);
        ole_raise(hr, eWIN32OLERuntimeError, "(in setting property `%s': )%s",
                  StringValuePtr(property),
                  StringValuePtr(v));
    }
    return Qnil;
}

/*
 *  call-seq:
 *     WIN32OLE#ole_free
 *
 *  invokes Release method of Dispatch interface of WIN32OLE object.
 *  Usually, you do not need to call this method because Release method
 *  called automatically when WIN32OLE object garbaged.
 *
 */
static VALUE
fole_free(VALUE self)
{
    struct oledata *pole = NULL;
    pole = oledata_get_struct(self);
    OLE_FREE(pole->pDispatch);
    pole->pDispatch = NULL;
    return Qnil;
}

static VALUE
ole_each_sub(VALUE pEnumV)
{
    VARIANT variant;
    VALUE obj = Qnil;
    IEnumVARIANT *pEnum = (IEnumVARIANT *)pEnumV;
    VariantInit(&variant);
    while(pEnum->lpVtbl->Next(pEnum, 1, &variant, NULL) == S_OK) {
        obj = ole_variant2val(&variant);
        VariantClear(&variant);
        VariantInit(&variant);
        rb_yield(obj);
    }
    return Qnil;
}

static VALUE
ole_ienum_free(VALUE pEnumV)
{
    IEnumVARIANT *pEnum = (IEnumVARIANT *)pEnumV;
    OLE_RELEASE(pEnum);
    return Qnil;
}

/*
 *  call-seq:
 *     WIN32OLE#each {|i|...}
 *
 *  Iterates over each item of OLE collection which has IEnumVARIANT interface.
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     book = excel.workbooks.add
 *     sheets = book.worksheets(1)
 *     cells = sheets.cells("A1:A5")
 *     cells.each do |cell|
 *       cell.value = 10
 *     end
 */
static VALUE
fole_each(VALUE self)
{
    LCID    lcid = cWIN32OLE_lcid;

    struct oledata *pole = NULL;

    unsigned int argErr;
    EXCEPINFO excepinfo;
    DISPPARAMS dispParams;
    VARIANT result;
    HRESULT hr;
    IEnumVARIANT *pEnum = NULL;
    void *p;

    RETURN_ENUMERATOR(self, 0, 0);

    VariantInit(&result);
    dispParams.rgvarg = NULL;
    dispParams.rgdispidNamedArgs = NULL;
    dispParams.cNamedArgs = 0;
    dispParams.cArgs = 0;
    memset(&excepinfo, 0, sizeof(excepinfo));

    pole = oledata_get_struct(self);
    hr = pole->pDispatch->lpVtbl->Invoke(pole->pDispatch, DISPID_NEWENUM,
                                         &IID_NULL, lcid,
                                         DISPATCH_METHOD | DISPATCH_PROPERTYGET,
                                         &dispParams, &result,
                                         &excepinfo, &argErr);

    if (FAILED(hr)) {
        VariantClear(&result);
        ole_raise(hr, eWIN32OLERuntimeError, "failed to get IEnum Interface");
    }

    if (V_VT(&result) == VT_UNKNOWN) {
        hr = V_UNKNOWN(&result)->lpVtbl->QueryInterface(V_UNKNOWN(&result),
                                                        &IID_IEnumVARIANT,
                                                        &p);
        pEnum = p;
    } else if (V_VT(&result) == VT_DISPATCH) {
        hr = V_DISPATCH(&result)->lpVtbl->QueryInterface(V_DISPATCH(&result),
                                                         &IID_IEnumVARIANT,
                                                         &p);
        pEnum = p;
    }
    if (FAILED(hr) || !pEnum) {
        VariantClear(&result);
        ole_raise(hr, rb_eRuntimeError, "failed to get IEnum Interface");
    }

    VariantClear(&result);
    rb_ensure(ole_each_sub, (VALUE)pEnum, ole_ienum_free, (VALUE)pEnum);
    return Qnil;
}

/*
 *  call-seq:
 *     WIN32OLE#method_missing(id [,arg1, arg2, ...])
 *
 *  Calls WIN32OLE#invoke method.
 */
static VALUE
fole_missing(int argc, VALUE *argv, VALUE self)
{
    VALUE mid, sym;
    const char* mname;
    long n;
    rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
    mid = argv[0];
    sym = rb_check_symbol(&mid);
    if (!NIL_P(sym)) mid = rb_sym2str(sym);
    mname = StringValueCStr(mid);
    if(!mname) {
        rb_raise(rb_eRuntimeError, "fail: unknown method or property");
    }
    n = RSTRING_LEN(mid);
    if(mname[n-1] == '=') {
        rb_check_arity(argc, 2, 2);
        argv[0] = rb_enc_associate(rb_str_subseq(mid, 0, n-1), cWIN32OLE_enc);

        return ole_propertyput(self, argv[0], argv[1]);
    }
    else {
        argv[0] = rb_enc_associate(rb_str_dup(mid), cWIN32OLE_enc);
        return ole_invoke(argc, argv, self, DISPATCH_METHOD|DISPATCH_PROPERTYGET, FALSE);
    }
}

static HRESULT
typeinfo_from_ole(struct oledata *pole, ITypeInfo **ppti)
{
    ITypeInfo *pTypeInfo;
    ITypeLib *pTypeLib;
    BSTR bstr;
    VALUE type;
    UINT i;
    UINT count;
    LCID    lcid = cWIN32OLE_lcid;
    HRESULT hr = pole->pDispatch->lpVtbl->GetTypeInfo(pole->pDispatch,
                                                      0, lcid, &pTypeInfo);
    if(FAILED(hr)) {
        ole_raise(hr, rb_eRuntimeError, "failed to GetTypeInfo");
    }
    hr = pTypeInfo->lpVtbl->GetDocumentation(pTypeInfo,
                                             -1,
                                             &bstr,
                                             NULL, NULL, NULL);
    type = WC2VSTR(bstr);
    hr = pTypeInfo->lpVtbl->GetContainingTypeLib(pTypeInfo, &pTypeLib, &i);
    OLE_RELEASE(pTypeInfo);
    if (FAILED(hr)) {
        ole_raise(hr, rb_eRuntimeError, "failed to GetContainingTypeLib");
    }
    count = pTypeLib->lpVtbl->GetTypeInfoCount(pTypeLib);
    for (i = 0; i < count; i++) {
        hr = pTypeLib->lpVtbl->GetDocumentation(pTypeLib, i,
                                                &bstr, NULL, NULL, NULL);
        if (SUCCEEDED(hr) && rb_str_cmp(WC2VSTR(bstr), type) == 0) {
            hr = pTypeLib->lpVtbl->GetTypeInfo(pTypeLib, i, &pTypeInfo);
            if (SUCCEEDED(hr)) {
                *ppti = pTypeInfo;
                break;
            }
        }
    }
    OLE_RELEASE(pTypeLib);
    return hr;
}

static VALUE
ole_methods(VALUE self, int mask)
{
    ITypeInfo *pTypeInfo;
    HRESULT hr;
    VALUE methods;
    struct oledata *pole = NULL;

    pole = oledata_get_struct(self);
    methods = rb_ary_new();

    hr = typeinfo_from_ole(pole, &pTypeInfo);
    if(FAILED(hr))
        return methods;
    rb_ary_concat(methods, ole_methods_from_typeinfo(pTypeInfo, mask));
    OLE_RELEASE(pTypeInfo);
    return methods;
}

/*
 *  call-seq:
 *     WIN32OLE#ole_methods
 *
 *  Returns the array of WIN32OLE_METHOD object.
 *  The element is OLE method of WIN32OLE object.
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     methods = excel.ole_methods
 *
 */
static VALUE
fole_methods(VALUE self)
{
    return ole_methods( self, INVOKE_FUNC | INVOKE_PROPERTYGET | INVOKE_PROPERTYPUT | INVOKE_PROPERTYPUTREF);
}

/*
 *  call-seq:
 *     WIN32OLE#ole_get_methods
 *
 *  Returns the array of WIN32OLE_METHOD object .
 *  The element of the array is property (gettable) of WIN32OLE object.
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     properties = excel.ole_get_methods
 */
static VALUE
fole_get_methods(VALUE self)
{
    return ole_methods( self, INVOKE_PROPERTYGET);
}

/*
 *  call-seq:
 *     WIN32OLE#ole_put_methods
 *
 *  Returns the array of WIN32OLE_METHOD object .
 *  The element of the array is property (settable) of WIN32OLE object.
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     properties = excel.ole_put_methods
 */
static VALUE
fole_put_methods(VALUE self)
{
    return ole_methods( self, INVOKE_PROPERTYPUT|INVOKE_PROPERTYPUTREF);
}

/*
 *  call-seq:
 *     WIN32OLE#ole_func_methods
 *
 *  Returns the array of WIN32OLE_METHOD object .
 *  The element of the array is property (settable) of WIN32OLE object.
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     properties = excel.ole_func_methods
 *
 */
static VALUE
fole_func_methods(VALUE self)
{
    return ole_methods( self, INVOKE_FUNC);
}

/*
 *   call-seq:
 *      WIN32OLE#ole_type
 *
 *   Returns WIN32OLE_TYPE object.
 *
 *      excel = WIN32OLE.new('Excel.Application')
 *      tobj = excel.ole_type
 */
static VALUE
fole_type(VALUE self)
{
    ITypeInfo *pTypeInfo;
    HRESULT hr;
    struct oledata *pole = NULL;
    LCID  lcid = cWIN32OLE_lcid;
    VALUE type = Qnil;

    pole = oledata_get_struct(self);

    hr = pole->pDispatch->lpVtbl->GetTypeInfo( pole->pDispatch, 0, lcid, &pTypeInfo );
    if(FAILED(hr)) {
        ole_raise(hr, rb_eRuntimeError, "failed to GetTypeInfo");
    }
    type = ole_type_from_itypeinfo(pTypeInfo);
    OLE_RELEASE(pTypeInfo);
    if (type == Qnil) {
        rb_raise(rb_eRuntimeError, "failed to create WIN32OLE_TYPE obj from ITypeInfo");
    }
    return type;
}

/*
 *  call-seq:
 *     WIN32OLE#ole_typelib -> The WIN32OLE_TYPELIB object
 *
 *  Returns the WIN32OLE_TYPELIB object. The object represents the
 *  type library which contains the WIN32OLE object.
 *
 *     excel = WIN32OLE.new('Excel.Application')
 *     tlib = excel.ole_typelib
 *     puts tlib.name  # -> 'Microsoft Excel 9.0 Object Library'
 */
static VALUE
fole_typelib(VALUE self)
{
    struct oledata *pole = NULL;
    HRESULT hr;
    ITypeInfo *pTypeInfo;
    LCID  lcid = cWIN32OLE_lcid;
    VALUE vtlib = Qnil;

    pole = oledata_get_struct(self);
    hr = pole->pDispatch->lpVtbl->GetTypeInfo(pole->pDispatch,
                                              0, lcid, &pTypeInfo);
    if(FAILED(hr)) {
        ole_raise(hr, rb_eRuntimeError, "failed to GetTypeInfo");
    }
    vtlib = ole_typelib_from_itypeinfo(pTypeInfo);
    OLE_RELEASE(pTypeInfo);
    if (vtlib == Qnil) {
        rb_raise(rb_eRuntimeError, "failed to get type library info.");
    }
    return vtlib;
}

/*
 *  call-seq:
 *     WIN32OLE#ole_query_interface(iid) -> WIN32OLE object
 *
 *  Returns WIN32OLE object for a specific dispatch or dual
 *  interface specified by iid.
 *
 *      ie = WIN32OLE.new('InternetExplorer.Application')
 *      ie_web_app = ie.ole_query_interface('{0002DF05-0000-0000-C000-000000000046}') # => WIN32OLE object for dispinterface IWebBrowserApp
 */
static VALUE
fole_query_interface(VALUE self, VALUE str_iid)
{
    HRESULT hr;
    OLECHAR *pBuf;
    IID iid;
    struct oledata *pole = NULL;
    IDispatch *pDispatch;
    void *p;

    pBuf  = ole_vstr2wc(str_iid);
    hr = CLSIDFromString(pBuf, &iid);
    SysFreeString(pBuf);
    if(FAILED(hr)) {
        ole_raise(hr, eWIN32OLERuntimeError,
                  "invalid iid: `%s'",
                  StringValuePtr(str_iid));
    }

    pole = oledata_get_struct(self);
    if(!pole->pDispatch) {
        rb_raise(rb_eRuntimeError, "failed to get dispatch interface");
    }

    hr = pole->pDispatch->lpVtbl->QueryInterface(pole->pDispatch, &iid,
                                                 &p);
    if(FAILED(hr)) {
        ole_raise(hr, eWIN32OLERuntimeError,
                  "failed to get interface `%s'",
                  StringValuePtr(str_iid));
    }

    pDispatch = p;
    return create_win32ole_object(cWIN32OLE, pDispatch, 0, 0);
}

/*
 *  call-seq:
 *     WIN32OLE#ole_respond_to?(method) -> true or false
 *
 *  Returns true when OLE object has OLE method, otherwise returns false.
 *
 *      ie = WIN32OLE.new('InternetExplorer.Application')
 *      ie.ole_respond_to?("gohome") => true
 */
static VALUE
fole_respond_to(VALUE self, VALUE method)
{
    struct oledata *pole = NULL;
    BSTR wcmdname;
    DISPID DispID;
    HRESULT hr;
    if(!RB_TYPE_P(method, T_STRING) && !RB_TYPE_P(method, T_SYMBOL)) {
        rb_raise(rb_eTypeError, "wrong argument type (expected String or Symbol)");
    }
    if (RB_TYPE_P(method, T_SYMBOL)) {
        method = rb_sym2str(method);
    }
    pole = oledata_get_struct(self);
    wcmdname = ole_vstr2wc(method);
    hr = pole->pDispatch->lpVtbl->GetIDsOfNames( pole->pDispatch, &IID_NULL,
	    &wcmdname, 1, cWIN32OLE_lcid, &DispID);
    SysFreeString(wcmdname);
    return SUCCEEDED(hr) ? Qtrue : Qfalse;
}

HRESULT
ole_docinfo_from_type(ITypeInfo *pTypeInfo, BSTR *name, BSTR *helpstr, DWORD *helpcontext, BSTR *helpfile)
{
    HRESULT hr;
    ITypeLib *pTypeLib;
    UINT i;

    hr = pTypeInfo->lpVtbl->GetContainingTypeLib(pTypeInfo, &pTypeLib, &i);
    if (FAILED(hr)) {
        return hr;
    }

    hr = pTypeLib->lpVtbl->GetDocumentation(pTypeLib, i,
                                            name, helpstr,
                                            helpcontext, helpfile);
    if (FAILED(hr)) {
        OLE_RELEASE(pTypeLib);
        return hr;
    }
    OLE_RELEASE(pTypeLib);
    return hr;
}

static VALUE
ole_usertype2val(ITypeInfo *pTypeInfo, TYPEDESC *pTypeDesc, VALUE typedetails)
{
    HRESULT hr;
    BSTR bstr;
    ITypeInfo *pRefTypeInfo;
    VALUE type = Qnil;

    hr = pTypeInfo->lpVtbl->GetRefTypeInfo(pTypeInfo,
                                           V_UNION1(pTypeDesc, hreftype),
                                           &pRefTypeInfo);
    if(FAILED(hr))
        return Qnil;
    hr = ole_docinfo_from_type(pRefTypeInfo, &bstr, NULL, NULL, NULL);
    if(FAILED(hr)) {
        OLE_RELEASE(pRefTypeInfo);
        return Qnil;
    }
    OLE_RELEASE(pRefTypeInfo);
    type = WC2VSTR(bstr);
    if(typedetails != Qnil)
        rb_ary_push(typedetails, type);
    return type;
}

static VALUE
ole_ptrtype2val(ITypeInfo *pTypeInfo, TYPEDESC *pTypeDesc, VALUE typedetails)
{
    TYPEDESC *p = pTypeDesc;
    VALUE type = rb_str_new2("");

    if (p->vt == VT_PTR || p->vt == VT_SAFEARRAY) {
        p = V_UNION1(p, lptdesc);
        type = ole_typedesc2val(pTypeInfo, p, typedetails);
    }
    return type;
}

VALUE
ole_typedesc2val(ITypeInfo *pTypeInfo, TYPEDESC *pTypeDesc, VALUE typedetails)
{
    VALUE str;
    VALUE typestr = Qnil;
    switch(pTypeDesc->vt) {
    case VT_I2:
        typestr = rb_str_new2("I2");
        break;
    case VT_I4:
        typestr = rb_str_new2("I4");
        break;
    case VT_R4:
        typestr = rb_str_new2("R4");
        break;
    case VT_R8:
        typestr = rb_str_new2("R8");
        break;
    case VT_CY:
        typestr = rb_str_new2("CY");
        break;
    case VT_DATE:
        typestr = rb_str_new2("DATE");
        break;
    case VT_BSTR:
        typestr = rb_str_new2("BSTR");
        break;
    case VT_BOOL:
        typestr = rb_str_new2("BOOL");
        break;
    case VT_VARIANT:
        typestr = rb_str_new2("VARIANT");
        break;
    case VT_DECIMAL:
        typestr = rb_str_new2("DECIMAL");
        break;
    case VT_I1:
        typestr = rb_str_new2("I1");
        break;
    case VT_UI1:
        typestr = rb_str_new2("UI1");
        break;
    case VT_UI2:
        typestr = rb_str_new2("UI2");
        break;
    case VT_UI4:
        typestr = rb_str_new2("UI4");
        break;
#if (_MSC_VER >= 1300) || defined(__CYGWIN__) || defined(__MINGW32__)
    case VT_I8:
        typestr = rb_str_new2("I8");
        break;
    case VT_UI8:
        typestr = rb_str_new2("UI8");
        break;
#endif
    case VT_INT:
        typestr = rb_str_new2("INT");
        break;
    case VT_UINT:
        typestr = rb_str_new2("UINT");
        break;
    case VT_VOID:
        typestr = rb_str_new2("VOID");
        break;
    case VT_HRESULT:
        typestr = rb_str_new2("HRESULT");
        break;
    case VT_PTR:
        typestr = rb_str_new2("PTR");
        if(typedetails != Qnil)
            rb_ary_push(typedetails, typestr);
        return ole_ptrtype2val(pTypeInfo, pTypeDesc, typedetails);
    case VT_SAFEARRAY:
        typestr = rb_str_new2("SAFEARRAY");
        if(typedetails != Qnil)
            rb_ary_push(typedetails, typestr);
        return ole_ptrtype2val(pTypeInfo, pTypeDesc, typedetails);
    case VT_CARRAY:
        typestr = rb_str_new2("CARRAY");
        break;
    case VT_USERDEFINED:
        typestr = rb_str_new2("USERDEFINED");
        if (typedetails != Qnil)
            rb_ary_push(typedetails, typestr);
        str = ole_usertype2val(pTypeInfo, pTypeDesc, typedetails);
        if (str != Qnil) {
            return str;
        }
        return typestr;
    case VT_UNKNOWN:
        typestr = rb_str_new2("UNKNOWN");
        break;
    case VT_DISPATCH:
        typestr = rb_str_new2("DISPATCH");
        break;
    case VT_ERROR:
        typestr = rb_str_new2("ERROR");
        break;
    case VT_LPWSTR:
        typestr = rb_str_new2("LPWSTR");
        break;
    case VT_LPSTR:
        typestr = rb_str_new2("LPSTR");
        break;
    case VT_RECORD:
        typestr = rb_str_new2("RECORD");
        break;
    default:
        typestr = rb_str_new2("Unknown Type ");
        rb_str_concat(typestr, rb_fix2str(RB_INT2FIX(pTypeDesc->vt), 10));
        break;
    }
    if (typedetails != Qnil)
        rb_ary_push(typedetails, typestr);
    return typestr;
}

/*
 *   call-seq:
 *      WIN32OLE#ole_method_help(method)
 *
 *   Returns WIN32OLE_METHOD object corresponding with method
 *   specified by 1st argument.
 *
 *      excel = WIN32OLE.new('Excel.Application')
 *      method = excel.ole_method_help('Quit')
 *
 */
static VALUE
fole_method_help(VALUE self, VALUE cmdname)
{
    ITypeInfo *pTypeInfo;
    HRESULT hr;
    struct oledata *pole = NULL;
    VALUE obj;

    SafeStringValue(cmdname);
    pole = oledata_get_struct(self);
    hr = typeinfo_from_ole(pole, &pTypeInfo);
    if(FAILED(hr))
        ole_raise(hr, rb_eRuntimeError, "failed to get ITypeInfo");

    obj = create_win32ole_method(pTypeInfo, cmdname);

    OLE_RELEASE(pTypeInfo);
    if (obj == Qnil)
        rb_raise(eWIN32OLERuntimeError, "not found %s",
                 StringValuePtr(cmdname));
    return obj;
}

/*
 *  call-seq:
 *     WIN32OLE#ole_activex_initialize() -> Qnil
 *
 *  Initialize WIN32OLE object(ActiveX Control) by calling
 *  IPersistMemory::InitNew.
 *
 *  Before calling OLE method, some kind of the ActiveX controls
 *  created with MFC should be initialized by calling
 *  IPersistXXX::InitNew.
 *
 *  If and only if you received the exception "HRESULT error code:
 *  0x8000ffff catastrophic failure", try this method before
 *  invoking any ole_method.
 *
 *     obj = WIN32OLE.new("ProgID_or_GUID_of_ActiveX_Control")
 *     obj.ole_activex_initialize
 *     obj.method(...)
 *
 */
static VALUE
fole_activex_initialize(VALUE self)
{
    struct oledata *pole = NULL;
    IPersistMemory *pPersistMemory;
    void *p;

    HRESULT hr = S_OK;

    pole = oledata_get_struct(self);

    hr = pole->pDispatch->lpVtbl->QueryInterface(pole->pDispatch, &IID_IPersistMemory, &p);
    pPersistMemory = p;
    if (SUCCEEDED(hr)) {
        hr = pPersistMemory->lpVtbl->InitNew(pPersistMemory);
        OLE_RELEASE(pPersistMemory);
        if (SUCCEEDED(hr)) {
            return Qnil;
        }
    }

    if (FAILED(hr)) {
        ole_raise(hr, eWIN32OLERuntimeError, "fail to initialize ActiveX control");
    }

    return Qnil;
}

HRESULT
typelib_from_val(VALUE obj, ITypeLib **pTypeLib)
{
    LCID lcid = cWIN32OLE_lcid;
    HRESULT hr;
    struct oledata *pole = NULL;
    unsigned int index;
    ITypeInfo *pTypeInfo;
    pole = oledata_get_struct(obj);
    hr = pole->pDispatch->lpVtbl->GetTypeInfo(pole->pDispatch,
                                              0, lcid, &pTypeInfo);
    if (FAILED(hr)) {
        return hr;
    }
    hr = pTypeInfo->lpVtbl->GetContainingTypeLib(pTypeInfo, pTypeLib, &index);
    OLE_RELEASE(pTypeInfo);
    return hr;
}

static void
com_hash_free(void *ptr)
{
    st_table *tbl = ptr;
    st_free_table(tbl);
}

static void
com_hash_mark(void *ptr)
{
    st_table *tbl = ptr;
    rb_mark_hash(tbl);
}

static size_t
com_hash_size(const void *ptr)
{
    const st_table *tbl = ptr;
    return st_memsize(tbl);
}

void
Init_win32ole(void)
{
    cWIN32OLE_lcid = LOCALE_SYSTEM_DEFAULT;
    g_ole_initialized_init();

    com_vtbl.QueryInterface = QueryInterface;
    com_vtbl.AddRef = AddRef;
    com_vtbl.Release = Release;
    com_vtbl.GetTypeInfoCount = GetTypeInfoCount;
    com_vtbl.GetTypeInfo = GetTypeInfo;
    com_vtbl.GetIDsOfNames = GetIDsOfNames;
    com_vtbl.Invoke = Invoke;

    message_filter.QueryInterface = mf_QueryInterface;
    message_filter.AddRef = mf_AddRef;
    message_filter.Release = mf_Release;
    message_filter.HandleInComingCall = mf_HandleInComingCall;
    message_filter.RetryRejectedCall = mf_RetryRejectedCall;
    message_filter.MessagePending = mf_MessagePending;

    enc2cp_hash = TypedData_Wrap_Struct(rb_cData, &win32ole_hash_datatype, 0);
    RTYPEDDATA_DATA(enc2cp_hash) = st_init_numtable();
    rb_gc_register_mark_object(enc2cp_hash);

    com_hash = TypedData_Wrap_Struct(rb_cData, &win32ole_hash_datatype, 0);
    RTYPEDDATA_DATA(com_hash) = st_init_numtable();
    rb_gc_register_mark_object(com_hash);

    cWIN32OLE = rb_define_class("WIN32OLE", rb_cObject);

    rb_define_alloc_func(cWIN32OLE, fole_s_allocate);

    rb_define_method(cWIN32OLE, "initialize", fole_initialize, -1);

    rb_define_singleton_method(cWIN32OLE, "connect", fole_s_connect, -1);
    rb_define_singleton_method(cWIN32OLE, "const_load", fole_s_const_load, -1);

    rb_define_singleton_method(cWIN32OLE, "ole_free", fole_s_free, 1);
    rb_define_singleton_method(cWIN32OLE, "ole_reference_count", fole_s_reference_count, 1);
    rb_define_singleton_method(cWIN32OLE, "ole_show_help", fole_s_show_help, -1);
    rb_define_singleton_method(cWIN32OLE, "codepage", fole_s_get_code_page, 0);
    rb_define_singleton_method(cWIN32OLE, "codepage=", fole_s_set_code_page, 1);
    rb_define_singleton_method(cWIN32OLE, "locale", fole_s_get_locale, 0);
    rb_define_singleton_method(cWIN32OLE, "locale=", fole_s_set_locale, 1);
    rb_define_singleton_method(cWIN32OLE, "create_guid", fole_s_create_guid, 0);
    rb_define_singleton_method(cWIN32OLE, "ole_initialize", fole_s_ole_initialize, 0);
    rb_define_singleton_method(cWIN32OLE, "ole_uninitialize", fole_s_ole_uninitialize, 0);

    rb_define_method(cWIN32OLE, "invoke", fole_invoke, -1);
    rb_define_method(cWIN32OLE, "[]", fole_getproperty_with_bracket, -1);
    rb_define_method(cWIN32OLE, "_invoke", fole_invoke2, 3);
    rb_define_method(cWIN32OLE, "_getproperty", fole_getproperty2, 3);
    rb_define_method(cWIN32OLE, "_setproperty", fole_setproperty2, 3);

    /* support propput method that takes an argument */
    rb_define_method(cWIN32OLE, "[]=", fole_setproperty_with_bracket, -1);

    rb_define_method(cWIN32OLE, "ole_free", fole_free, 0);

    rb_define_method(cWIN32OLE, "each", fole_each, 0);
    rb_define_method(cWIN32OLE, "method_missing", fole_missing, -1);

    /* support setproperty method much like Perl ;-) */
    rb_define_method(cWIN32OLE, "setproperty", fole_setproperty, -1);

    rb_define_method(cWIN32OLE, "ole_methods", fole_methods, 0);
    rb_define_method(cWIN32OLE, "ole_get_methods", fole_get_methods, 0);
    rb_define_method(cWIN32OLE, "ole_put_methods", fole_put_methods, 0);
    rb_define_method(cWIN32OLE, "ole_func_methods", fole_func_methods, 0);

    rb_define_method(cWIN32OLE, "ole_method", fole_method_help, 1);
    rb_define_alias(cWIN32OLE, "ole_method_help", "ole_method");
    rb_define_method(cWIN32OLE, "ole_activex_initialize", fole_activex_initialize, 0);
    rb_define_method(cWIN32OLE, "ole_type", fole_type, 0);
    rb_define_alias(cWIN32OLE, "ole_obj_help", "ole_type");
    rb_define_method(cWIN32OLE, "ole_typelib", fole_typelib, 0);
    rb_define_method(cWIN32OLE, "ole_query_interface", fole_query_interface, 1);
    rb_define_method(cWIN32OLE, "ole_respond_to?", fole_respond_to, 1);

    /* Constants definition */

    /*
     * Version string of WIN32OLE.
     */
    rb_define_const(cWIN32OLE, "VERSION", rb_str_new2(WIN32OLE_VERSION));

    /*
     * After invoking OLE methods with reference arguments, you can access
     * the value of arguments by using ARGV.
     *
     * If the method of OLE(COM) server written by C#.NET is following:
     *
     *   void calcsum(int a, int b, out int c) {
     *       c = a + b;
     *   }
     *
     * then, the Ruby OLE(COM) client script to retrieve the value of
     * argument c after invoking calcsum method is following:
     *
     *   a = 10
     *   b = 20
     *   c = 0
     *   comserver.calcsum(a, b, c)
     *   p c # => 0
     *   p WIN32OLE::ARGV # => [10, 20, 30]
     *
     * You can use WIN32OLE_VARIANT object to retrieve the value of reference
     * arguments instead of referring WIN32OLE::ARGV.
     *
     */
    rb_define_const(cWIN32OLE, "ARGV", rb_ary_new());

    /*
     * 0: ANSI code page. See WIN32OLE.codepage and WIN32OLE.codepage=.
     */
    rb_define_const(cWIN32OLE, "CP_ACP", RB_INT2FIX(CP_ACP));

    /*
     * 1: OEM code page. See WIN32OLE.codepage and WIN32OLE.codepage=.
     */
    rb_define_const(cWIN32OLE, "CP_OEMCP", RB_INT2FIX(CP_OEMCP));

    /*
     * 2
     */
    rb_define_const(cWIN32OLE, "CP_MACCP", RB_INT2FIX(CP_MACCP));

    /*
     * 3: current thread ANSI code page. See WIN32OLE.codepage and
     * WIN32OLE.codepage=.
     */
    rb_define_const(cWIN32OLE, "CP_THREAD_ACP", RB_INT2FIX(CP_THREAD_ACP));

    /*
     * 42: symbol code page. See WIN32OLE.codepage and WIN32OLE.codepage=.
     */
    rb_define_const(cWIN32OLE, "CP_SYMBOL", RB_INT2FIX(CP_SYMBOL));

    /*
     * 65000: UTF-7 code page. See WIN32OLE.codepage and WIN32OLE.codepage=.
     */
    rb_define_const(cWIN32OLE, "CP_UTF7", RB_INT2FIX(CP_UTF7));

    /*
     * 65001: UTF-8 code page. See WIN32OLE.codepage and WIN32OLE.codepage=.
     */
    rb_define_const(cWIN32OLE, "CP_UTF8", RB_INT2FIX(CP_UTF8));

    /*
     * 0x0800: default locale for the operating system. See WIN32OLE.locale
     * and WIN32OLE.locale=.
     */
    rb_define_const(cWIN32OLE, "LOCALE_SYSTEM_DEFAULT", RB_INT2FIX(LOCALE_SYSTEM_DEFAULT));

    /*
     * 0x0400: default locale for the user or process. See WIN32OLE.locale
     * and WIN32OLE.locale=.
     */
    rb_define_const(cWIN32OLE, "LOCALE_USER_DEFAULT", RB_INT2FIX(LOCALE_USER_DEFAULT));

    Init_win32ole_variant_m();
    Init_win32ole_typelib();
    Init_win32ole_type();
    Init_win32ole_variable();
    Init_win32ole_method();
    Init_win32ole_param();
    Init_win32ole_event();
    Init_win32ole_variant();
    Init_win32ole_record();
    Init_win32ole_error();

    ole_init_cp();
}