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mstask: Implement ITask::DeleteTrigger().
[wine.git] / dlls / oledb32 / convert.c
blob5bad10558257417097a798e96c7092599b65df2f
1 /* OLE DB Conversion library
2 *
3 * Copyright 2009 Huw Davies
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
18 */
19
20 #include <stdarg.h>
21
22 #define COBJMACROS
23
24 #include "windef.h"
25 #include "winbase.h"
26 #include "winnls.h"
27 #include "ole2.h"
28 #include "msdadc.h"
29 #include "oledberr.h"
30
31 #include "oledb_private.h"
32
33 #include "wine/debug.h"
34 #include "wine/heap.h"
35
36 WINE_DEFAULT_DEBUG_CHANNEL(oledb);
37
38 typedef struct
39 {
40 IDataConvert IDataConvert_iface;
41 IDCInfo IDCInfo_iface;
42
43 LONG ref;
44
45 UINT version; /* Set by IDCInfo_SetInfo */
46 } convert;
47
48 static inline convert *impl_from_IDataConvert(IDataConvert *iface)
49 {
50 return CONTAINING_RECORD(iface, convert, IDataConvert_iface);
51 }
52
53 static inline convert *impl_from_IDCInfo(IDCInfo *iface)
54 {
55 return CONTAINING_RECORD(iface, convert, IDCInfo_iface);
56 }
57
58 static HRESULT WINAPI convert_QueryInterface(IDataConvert* iface,
59 REFIID riid,
60 void **obj)
61 {
62 convert *This = impl_from_IDataConvert(iface);
63 TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), obj);
64
65 *obj = NULL;
66
67 if(IsEqualIID(riid, &IID_IUnknown) ||
68 IsEqualIID(riid, &IID_IDataConvert))
69 {
70 *obj = iface;
71 }
72 else if(IsEqualIID(riid, &IID_IDCInfo))
73 {
74 *obj = &This->IDCInfo_iface;
75 }
76 else
77 {
78 FIXME("interface %s not implemented\n", debugstr_guid(riid));
79 return E_NOINTERFACE;
80 }
81
82 IDataConvert_AddRef(iface);
83 return S_OK;
84 }
85
86
87 static ULONG WINAPI convert_AddRef(IDataConvert* iface)
88 {
89 convert *This = impl_from_IDataConvert(iface);
90 TRACE("(%p)\n", This);
91
92 return InterlockedIncrement(&This->ref);
93 }
94
95
96 static ULONG WINAPI convert_Release(IDataConvert* iface)
97 {
98 convert *This = impl_from_IDataConvert(iface);
99 LONG ref;
100
101 TRACE("(%p)\n", This);
102
103 ref = InterlockedDecrement(&This->ref);
104 if(ref == 0)
105 heap_free(This);
106
107 return ref;
108 }
109
110 static int get_length(DBTYPE type)
111 {
112 switch(type)
113 {
114 case DBTYPE_I1:
115 case DBTYPE_UI1:
116 return 1;
117 case DBTYPE_I2:
118 case DBTYPE_UI2:
119 return 2;
120 case DBTYPE_BOOL:
121 return sizeof(VARIANT_BOOL);
122 case DBTYPE_I4:
123 case DBTYPE_UI4:
124 case DBTYPE_R4:
125 return 4;
126 case DBTYPE_I8:
127 case DBTYPE_UI8:
128 case DBTYPE_R8:
129 case DBTYPE_DATE:
130 return 8;
131 case DBTYPE_DBDATE:
132 return sizeof(DBDATE);
133 case DBTYPE_DBTIMESTAMP:
134 return sizeof(DBTIMESTAMP);
135 case DBTYPE_CY:
136 return sizeof(CY);
137 case DBTYPE_BSTR:
138 return sizeof(BSTR);
139 case DBTYPE_FILETIME:
140 return sizeof(FILETIME);
141 case DBTYPE_GUID:
142 return sizeof(GUID);
143 case DBTYPE_NUMERIC:
144 return sizeof(DB_NUMERIC);
145 case DBTYPE_BYTES:
146 case DBTYPE_WSTR:
147 case DBTYPE_STR:
148 case DBTYPE_BYREF | DBTYPE_WSTR:
149 return 0;
150 case DBTYPE_VARIANT:
151 return sizeof(VARIANT);
152 default:
153 FIXME("Unhandled type %04x\n", type);
154 return 0;
155 }
156 }
157
158 static HRESULT WINAPI convert_DataConvert(IDataConvert* iface,
159 DBTYPE src_type, DBTYPE dst_type,
160 DBLENGTH src_len, DBLENGTH *dst_len,
161 void *src, void *dst,
162 DBLENGTH dst_max_len,
163 DBSTATUS src_status, DBSTATUS *dst_status,
164 BYTE precision, BYTE scale,
165 DBDATACONVERT flags)
166 {
167 convert *This = impl_from_IDataConvert(iface);
168 DBLENGTH dst_len_loc;
169 DBSTATUS dst_status_loc;
170 VARIANT tmp;
171 HRESULT hr;
172
173 TRACE("(%p)->(%d, %d, %ld, %p, %p, %p, %ld, %d, %p, %d, %d, %x)\n", This,
174 src_type, dst_type, src_len, dst_len, src, dst, dst_max_len,
175 src_status, dst_status, precision, scale, flags);
176
177 if (!dst_len) dst_len = &dst_len_loc;
178 if (!dst_status) dst_status = &dst_status_loc;
179
180 *dst_status = DBSTATUS_E_BADACCESSOR;
181
182 if(src_status == DBSTATUS_S_ISNULL)
183 {
184 *dst_status = DBSTATUS_S_ISNULL;
185 *dst_len = 0;
186 return S_OK;
187 }
188
189 if(src_type == DBTYPE_VARIANT && V_VT((VARIANT*)src) == VT_NULL)
190 {
191 if(dst_type == DBTYPE_VARIANT)
192 *dst_len = sizeof(VARIANT);
193
194 *dst_status = DBSTATUS_S_ISNULL;
195 return S_OK;
196 }
197
198 if(IDataConvert_CanConvert(iface, src_type, dst_type) != S_OK)
199 {
200 return DB_E_UNSUPPORTEDCONVERSION;
201 }
202
203 if(dst == NULL && get_length(dst_type) != 0)
204 {
205 *dst_len = get_length(src_type);
206 *dst_status = DBSTATUS_S_OK;
207 return S_OK;
208 }
209
210 if(src_type == DBTYPE_STR)
211 {
212 BSTR b;
213 DWORD len;
214
215 if(flags & DBDATACONVERT_LENGTHFROMNTS)
216 len = MultiByteToWideChar(CP_ACP, 0, src, -1, NULL, 0) - 1;
217 else
218 len = MultiByteToWideChar(CP_ACP, 0, src, src_len, NULL, 0);
219 b = SysAllocStringLen(NULL, len);
220 if(!b) return E_OUTOFMEMORY;
221 if(flags & DBDATACONVERT_LENGTHFROMNTS)
222 MultiByteToWideChar(CP_ACP, 0, src, -1, b, len + 1);
223 else
224 MultiByteToWideChar(CP_ACP, 0, src, src_len, b, len);
225
226 hr = IDataConvert_DataConvert(iface, DBTYPE_BSTR, dst_type, 0, dst_len,
227 &b, dst, dst_max_len, src_status, dst_status,
228 precision, scale, flags);
229
230 SysFreeString(b);
231 return hr;
232 }
233
234 if(src_type == DBTYPE_WSTR)
235 {
236 BSTR b;
237
238 if(flags & DBDATACONVERT_LENGTHFROMNTS)
239 b = SysAllocString(src);
240 else
241 b = SysAllocStringLen(src, src_len / 2);
242 if(!b) return E_OUTOFMEMORY;
243 hr = IDataConvert_DataConvert(iface, DBTYPE_BSTR, dst_type, 0, dst_len,
244 &b, dst, dst_max_len, src_status, dst_status,
245 precision, scale, flags);
246 SysFreeString(b);
247 return hr;
248 }
249
250 switch(dst_type)
251 {
252 case DBTYPE_I2:
253 {
254 signed short *d = dst;
255 switch(src_type)
256 {
257 case DBTYPE_EMPTY: *d = 0; hr = S_OK; break;
258 case DBTYPE_I2: *d = *(signed short*)src; hr = S_OK; break;
259 case DBTYPE_I4: hr = VarI2FromI4(*(signed int*)src, d); break;
260 case DBTYPE_R4: hr = VarI2FromR4(*(FLOAT*)src, d); break;
261 case DBTYPE_R8: hr = VarI2FromR8(*(double*)src, d); break;
262 case DBTYPE_CY: hr = VarI2FromCy(*(CY*)src, d); break;
263 case DBTYPE_DATE: hr = VarI2FromDate(*(DATE*)src, d); break;
264 case DBTYPE_BSTR: hr = VarI2FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
265 case DBTYPE_BOOL: hr = VarI2FromBool(*(VARIANT_BOOL*)src, d); break;
266 case DBTYPE_DECIMAL: hr = VarI2FromDec((DECIMAL*)src, d); break;
267 case DBTYPE_I1: hr = VarI2FromI1(*(signed char*)src, d); break;
268 case DBTYPE_UI1: hr = VarI2FromUI1(*(BYTE*)src, d); break;
269 case DBTYPE_UI2: hr = VarI2FromUI2(*(WORD*)src, d); break;
270 case DBTYPE_UI4: hr = VarI2FromUI4(*(DWORD*)src, d); break;
271 case DBTYPE_I8: hr = VarI2FromI8(*(LONGLONG*)src, d); break;
272 case DBTYPE_UI8: hr = VarI2FromUI8(*(ULONGLONG*)src, d); break;
273 case DBTYPE_VARIANT:
274 VariantInit(&tmp);
275 if ((hr = VariantChangeType(&tmp, (VARIANT*)src, 0, VT_I2)) == S_OK)
276 *d = V_I2(&tmp);
277 break;
278 default: FIXME("Unimplemented conversion %04x -> I2\n", src_type); return E_NOTIMPL;
279 }
280 break;
281 }
282
283 case DBTYPE_I4:
284 {
285 signed int *d = dst;
286 switch(src_type)
287 {
288 case DBTYPE_EMPTY: *d = 0; hr = S_OK; break;
289 case DBTYPE_I2: hr = VarI4FromI2(*(signed short*)src, d); break;
290 case DBTYPE_I4: *d = *(signed int*)src; hr = S_OK; break;
291 case DBTYPE_R4: hr = VarI4FromR4(*(FLOAT*)src, d); break;
292 case DBTYPE_R8: hr = VarI4FromR8(*(double*)src, d); break;
293 case DBTYPE_CY: hr = VarI4FromCy(*(CY*)src, d); break;
294 case DBTYPE_DATE: hr = VarI4FromDate(*(DATE*)src, d); break;
295 case DBTYPE_BSTR: hr = VarI4FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
296 case DBTYPE_BOOL: hr = VarI4FromBool(*(VARIANT_BOOL*)src, d); break;
297 case DBTYPE_DECIMAL: hr = VarI4FromDec((DECIMAL*)src, d); break;
298 case DBTYPE_I1: hr = VarI4FromI1(*(signed char*)src, d); break;
299 case DBTYPE_UI1: hr = VarI4FromUI1(*(BYTE*)src, d); break;
300 case DBTYPE_UI2: hr = VarI4FromUI2(*(WORD*)src, d); break;
301 case DBTYPE_UI4: hr = VarI4FromUI4(*(DWORD*)src, d); break;
302 case DBTYPE_I8: hr = VarI4FromI8(*(LONGLONG*)src, d); break;
303 case DBTYPE_UI8: hr = VarI4FromUI8(*(ULONGLONG*)src, d); break;
304 case DBTYPE_VARIANT:
305 VariantInit(&tmp);
306 if ((hr = VariantChangeType(&tmp, (VARIANT*)src, 0, VT_I4)) == S_OK)
307 *d = V_I4(&tmp);
308 break;
309 default: FIXME("Unimplemented conversion %04x -> I4\n", src_type); return E_NOTIMPL;
310 }
311 break;
312 }
313
314 case DBTYPE_I8:
315 {
316 LONGLONG *d = dst;
317 switch(src_type)
318 {
319 case DBTYPE_BSTR: hr = VarI8FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
320 case DBTYPE_I8: *d = *(LONGLONG*)src; hr = S_OK; break;
321 default: FIXME("Unimplemented conversion %04x -> I8\n", src_type); return E_NOTIMPL;
322 }
323 break;
324 }
325
326 case DBTYPE_R4:
327 {
328 FLOAT *d = dst;
329 switch(src_type)
330 {
331 case DBTYPE_EMPTY: *d = 0; hr = S_OK; break;
332 case DBTYPE_I2: hr = VarR4FromI2(*(signed short*)src, d); break;
333 case DBTYPE_I4: hr = VarR4FromI4(*(signed int*)src, d); break;
334 case DBTYPE_R4: *d = *(FLOAT*)src; hr = S_OK; break;
335 case DBTYPE_R8: hr = VarR4FromR8(*(double*)src, d); break;
336 case DBTYPE_CY: hr = VarR4FromCy(*(CY*)src, d); break;
337 case DBTYPE_DATE: hr = VarR4FromDate(*(DATE*)src, d); break;
338 case DBTYPE_BSTR: hr = VarR4FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
339 case DBTYPE_BOOL: hr = VarR4FromBool(*(VARIANT_BOOL*)src, d); break;
340 case DBTYPE_DECIMAL: hr = VarR4FromDec((DECIMAL*)src, d); break;
341 case DBTYPE_I1: hr = VarR4FromI1(*(signed char*)src, d); break;
342 case DBTYPE_UI1: hr = VarR4FromUI1(*(BYTE*)src, d); break;
343 case DBTYPE_UI2: hr = VarR4FromUI2(*(WORD*)src, d); break;
344 case DBTYPE_UI4: hr = VarR4FromUI4(*(DWORD*)src, d); break;
345 case DBTYPE_I8: hr = VarR4FromI8(*(LONGLONG*)src, d); break;
346 case DBTYPE_UI8: hr = VarR4FromUI8(*(ULONGLONG*)src, d); break;
347 case DBTYPE_VARIANT:
348 VariantInit(&tmp);
349 if ((hr = VariantChangeType(&tmp, (VARIANT*)src, 0, VT_R4)) == S_OK)
350 *d = V_R4(&tmp);
351 break;
352 default: FIXME("Unimplemented conversion %04x -> R4\n", src_type); return E_NOTIMPL;
353 }
354 break;
355 }
356 case DBTYPE_R8:
357 {
358 DOUBLE *d=dst;
359 switch (src_type)
360 {
361 case DBTYPE_EMPTY: *d = 0; hr = S_OK; break;
362 case DBTYPE_I1: hr = VarR8FromI1(*(signed char*)src, d); break;
363 case DBTYPE_I2: hr = VarR8FromI2(*(signed short*)src, d); break;
364 case DBTYPE_I4: hr = VarR8FromI4(*(signed int*)src, d); break;
365 case DBTYPE_I8: hr = VarR8FromI8(*(LONGLONG*)src, d); break;
366 case DBTYPE_UI1: hr = VarR8FromUI1(*(BYTE*)src, d); break;
367 case DBTYPE_UI2: hr = VarR8FromUI2(*(WORD*)src, d); break;
368 case DBTYPE_UI4: hr = VarR8FromUI4(*(DWORD*)src, d); break;
369 case DBTYPE_UI8: hr = VarR8FromUI8(*(ULONGLONG*)src, d); break;
370 case DBTYPE_R4: hr = VarR8FromR4(*(FLOAT*)src, d); break;
371 case DBTYPE_R8: *d = *(DOUBLE*)src; hr = S_OK; break;
372 case DBTYPE_CY: hr = VarR8FromCy(*(CY*)src, d); break;
373 case DBTYPE_DATE: hr = VarR8FromDate(*(DATE*)src, d); break;
374 case DBTYPE_BSTR: hr = VarR8FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
375 case DBTYPE_BOOL: hr = VarR8FromBool(*(VARIANT_BOOL*)src, d); break;
376 case DBTYPE_DECIMAL: hr = VarR8FromDec((DECIMAL*)src, d); break;
377 case DBTYPE_VARIANT:
378 VariantInit(&tmp);
379 if ((hr = VariantChangeType(&tmp, (VARIANT*)src, 0, VT_R8)) == S_OK)
380 *d = V_R8(&tmp);
381 break;
382 default: FIXME("Unimplemented conversion %04x -> R8\n", src_type); return E_NOTIMPL;
383 }
384 break;
385 }
386 case DBTYPE_BOOL:
387 {
388 VARIANT_BOOL *d=dst;
389 switch (src_type)
390 {
391 case DBTYPE_EMPTY: *d = 0; hr = S_OK; break;
392 case DBTYPE_I1: hr = VarBoolFromI1(*(signed char*)src, d); break;
393 case DBTYPE_I2: hr = VarBoolFromI2(*(signed short*)src, d); break;
394 case DBTYPE_I4: hr = VarBoolFromI4(*(signed int*)src, d); break;
395 case DBTYPE_I8: hr = VarBoolFromI8(*(LONGLONG*)src, d); break;
396 case DBTYPE_UI1: hr = VarBoolFromUI1(*(BYTE*)src, d); break;
397 case DBTYPE_UI2: hr = VarBoolFromUI2(*(WORD*)src, d); break;
398 case DBTYPE_UI4: hr = VarBoolFromUI4(*(DWORD*)src, d); break;
399 case DBTYPE_UI8: hr = VarBoolFromUI8(*(ULONGLONG*)src, d); break;
400 case DBTYPE_R4: hr = VarBoolFromR4(*(FLOAT*)src, d); break;
401 case DBTYPE_R8: hr = VarBoolFromR8(*(DOUBLE*)src, d); break;
402 case DBTYPE_CY: hr = VarBoolFromCy(*(CY*)src, d); break;
403 case DBTYPE_DATE: hr = VarBoolFromDate(*(DATE*)src, d); break;
404 case DBTYPE_BSTR: hr = VarBoolFromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
405 case DBTYPE_BOOL: *d = *(VARIANT_BOOL*)src; hr = S_OK; break;
406 case DBTYPE_DECIMAL: hr = VarBoolFromDec((DECIMAL*)src, d); break;
407 default: FIXME("Unimplemented conversion %04x -> BOOL\n", src_type); return E_NOTIMPL;
408 }
409 break;
410 }
411 case DBTYPE_DATE:
412 {
413 DATE *d=dst;
414 switch (src_type)
415 {
416 case DBTYPE_EMPTY: *d = 0; hr = S_OK; break;
417 case DBTYPE_I1: hr = VarDateFromI1(*(signed char*)src, d); break;
418 case DBTYPE_I2: hr = VarDateFromI2(*(signed short*)src, d); break;
419 case DBTYPE_I4: hr = VarDateFromI4(*(signed int*)src, d); break;
420 case DBTYPE_I8: hr = VarDateFromI8(*(LONGLONG*)src, d); break;
421 case DBTYPE_UI1: hr = VarDateFromUI1(*(BYTE*)src, d); break;
422 case DBTYPE_UI2: hr = VarDateFromUI2(*(WORD*)src, d); break;
423 case DBTYPE_UI4: hr = VarDateFromUI4(*(DWORD*)src, d); break;
424 case DBTYPE_UI8: hr = VarDateFromUI8(*(ULONGLONG*)src, d); break;
425 case DBTYPE_R4: hr = VarDateFromR4(*(FLOAT*)src, d); break;
426 case DBTYPE_R8: hr = VarDateFromR8(*(DOUBLE*)src, d); break;
427 case DBTYPE_CY: hr = VarDateFromCy(*(CY*)src, d); break;
428 case DBTYPE_DATE: *d = *(DATE*)src; hr = S_OK; break;
429 case DBTYPE_BSTR: hr = VarDateFromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
430 case DBTYPE_BOOL: hr = VarDateFromBool(*(VARIANT_BOOL*)src, d); break;
431 case DBTYPE_DECIMAL: hr = VarDateFromDec((DECIMAL*)src, d); break;
432 case DBTYPE_DBTIMESTAMP:
433 {
434 SYSTEMTIME st;
435 DBTIMESTAMP *ts=(DBTIMESTAMP*)src;
436
437 st.wYear = ts->year;
438 st.wMonth = ts->month;
439 st.wDay = ts->day;
440 st.wHour = ts->hour;
441 st.wMinute = ts->minute;
442 st.wSecond = ts->second;
443 st.wMilliseconds = ts->fraction/1000000;
444 hr = (SystemTimeToVariantTime(&st, d) ? S_OK : E_FAIL);
445 break;
446 }
447 default: FIXME("Unimplemented conversion %04x -> DATE\n", src_type); return E_NOTIMPL;
448 }
449 break;
450 }
451 case DBTYPE_DBDATE:
452 {
453 DBDATE *d=dst;
454 switch (src_type)
455 {
456 case DBTYPE_DBDATE: memcpy(d, src, sizeof(DBDATE)); hr = S_OK; break;
457 case DBTYPE_BSTR:
458 {
459 VARIANT var;
460 BSTR s = *(WCHAR**)src;
461
462 VariantInit(&var);
463 V_VT(&var) = VT_BSTR;
464 V_BSTR(&var) = SysAllocString(s);
465
466 if ((hr = VariantChangeType(&var, &var, 0, VT_DATE)) == S_OK)
467 {
468 SYSTEMTIME st;
469 hr = (VariantTimeToSystemTime( V_DATE(&var), &st) ? S_OK : E_FAIL);
470 d->year = st.wYear;
471 d->month = st.wMonth;
472 d->day = st.wDay;
473 }
474
475 VariantClear(&var);
476 }
477 break;
478 case DBTYPE_VARIANT:
479 {
480 VariantInit(&tmp);
481
482 if ((hr = VariantChangeType(&tmp, (VARIANT*)src, 0, VT_DATE)) == S_OK)
483 {
484 SYSTEMTIME st;
485 hr = (VariantTimeToSystemTime( V_DATE(&tmp), &st) ? S_OK : E_FAIL);
486 d->year = st.wYear;
487 d->month = st.wMonth;
488 d->day = st.wDay;
489 }
490 else
491 {
492 FIXME("Unimplemented variant type %d -> DBDATE\n", V_VT((VARIANT*)src));
493 return E_NOTIMPL;
494 }
495 break;
496 }
497 default: FIXME("Unimplemented conversion %04x -> DBDATE\n", src_type); return E_NOTIMPL;
498 }
499 break;
500 }
501 case DBTYPE_DBTIMESTAMP:
502 {
503 DBTIMESTAMP *d=dst;
504 switch (src_type)
505 {
506 case DBTYPE_EMPTY: memset(d, 0, sizeof(DBTIMESTAMP)); hr = S_OK; break;
507 case DBTYPE_DBTIMESTAMP: memcpy(d, src, sizeof(DBTIMESTAMP)); hr = S_OK; break;
508 case DBTYPE_BSTR:
509 {
510 VARIANT var;
511 BSTR s = *(WCHAR**)src;
512
513 VariantInit(&var);
514 V_VT(&var) = VT_BSTR;
515 V_BSTR(&var) = SysAllocString(s);
516
517 if ((hr = VariantChangeType(&var, &var, 0, VT_DATE)) == S_OK)
518 {
519 SYSTEMTIME st;
520
521 hr = (VariantTimeToSystemTime( V_DATE(&var), &st) ? S_OK : E_FAIL);
522 d->year = st.wYear;
523 d->month = st.wMonth;
524 d->day = st.wDay;
525 d->hour = st.wHour;
526 d->minute = st.wMinute;
527 d->second = st.wSecond;
528 d->fraction = st.wMilliseconds * 1000000;
529 }
530
531 VariantClear(&var);
532 }
533 break;
534 case DBTYPE_DATE:
535 {
536 SYSTEMTIME st;
537 hr = (VariantTimeToSystemTime(*(double*)src, &st) ? S_OK : E_FAIL);
538 d->year = st.wYear;
539 d->month = st.wMonth;
540 d->day = st.wDay;
541 d->hour = st.wHour;
542 d->minute = st.wMinute;
543 d->second = st.wSecond;
544 d->fraction = st.wMilliseconds * 1000000;
545 break;
546 }
547 case DBTYPE_VARIANT:
548 if( V_VT((VARIANT*)src) == VT_DATE)
549 {
550 SYSTEMTIME st;
551 hr = (VariantTimeToSystemTime( V_DATE((VARIANT*)src), &st) ? S_OK : E_FAIL);
552 d->year = st.wYear;
553 d->month = st.wMonth;
554 d->day = st.wDay;
555 d->hour = st.wHour;
556 d->minute = st.wMinute;
557 d->second = st.wSecond;
558 d->fraction = st.wMilliseconds * 1000000;
559 }
560 else
561 {
562 FIXME("Unimplemented variant type %d -> DBTIMESTAMP\n", V_VT((VARIANT*)src));
563 return E_NOTIMPL;
564 }
565 break;
566 default: FIXME("Unimplemented conversion %04x -> DBTIMESTAMP\n", src_type); return E_NOTIMPL;
567 }
568 break;
569 }
570
571 case DBTYPE_CY:
572 {
573 CY *d = dst;
574 switch(src_type)
575 {
576 case DBTYPE_EMPTY: d->int64 = 0; hr = S_OK; break;
577 case DBTYPE_I2: hr = VarCyFromI2(*(signed short*)src, d); break;
578 case DBTYPE_I4: hr = VarCyFromI4(*(signed int*)src, d); break;
579 case DBTYPE_R4: hr = VarCyFromR4(*(FLOAT*)src, d); break;
580 case DBTYPE_R8: hr = VarCyFromR8(*(double*)src, d); break;
581 case DBTYPE_CY: *d = *(CY*)src; hr = S_OK; break;
582 case DBTYPE_DATE: hr = VarCyFromDate(*(DATE*)src, d); break;
583 case DBTYPE_BSTR: hr = VarCyFromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
584 case DBTYPE_BOOL: hr = VarCyFromBool(*(VARIANT_BOOL*)src, d); break;
585 case DBTYPE_DECIMAL: hr = VarCyFromDec((DECIMAL*)src, d); break;
586 case DBTYPE_I1: hr = VarCyFromI1(*(signed char*)src, d); break;
587 case DBTYPE_UI1: hr = VarCyFromUI1(*(BYTE*)src, d); break;
588 case DBTYPE_UI2: hr = VarCyFromUI2(*(WORD*)src, d); break;
589 case DBTYPE_UI4: hr = VarCyFromUI4(*(DWORD*)src, d); break;
590 case DBTYPE_I8: hr = VarCyFromI8(*(LONGLONG*)src, d); break;
591 case DBTYPE_UI8: hr = VarCyFromUI8(*(ULONGLONG*)src, d); break;
592 default: FIXME("Unimplemented conversion %04x -> CY\n", src_type); return E_NOTIMPL;
593 }
594 break;
595 }
596
597 case DBTYPE_BSTR:
598 {
599 BSTR *d = dst;
600 switch(src_type)
601 {
602 case DBTYPE_EMPTY: *d = SysAllocStringLen(NULL, 0); hr = *d ? S_OK : E_OUTOFMEMORY; break;
603 case DBTYPE_I2: hr = VarBstrFromI2(*(signed short*)src, LOCALE_USER_DEFAULT, 0, d); break;
604 case DBTYPE_I4: hr = VarBstrFromI4(*(signed int*)src, LOCALE_USER_DEFAULT, 0, d); break;
605 case DBTYPE_R4: hr = VarBstrFromR4(*(FLOAT*)src, LOCALE_USER_DEFAULT, 0, d); break;
606 case DBTYPE_R8: hr = VarBstrFromR8(*(double*)src, LOCALE_USER_DEFAULT, 0, d); break;
607 case DBTYPE_CY: hr = VarBstrFromCy(*(CY*)src, LOCALE_USER_DEFAULT, 0, d); break;
608 case DBTYPE_DATE: hr = VarBstrFromDate(*(DATE*)src, LOCALE_USER_DEFAULT, 0, d); break;
609 case DBTYPE_BSTR: *d = SysAllocStringLen(*(BSTR*)src, SysStringLen(*(BSTR*)src)); hr = *d ? S_OK : E_OUTOFMEMORY; break;
610 case DBTYPE_BOOL: hr = VarBstrFromBool(*(VARIANT_BOOL*)src, LOCALE_USER_DEFAULT, 0, d); break;
611 case DBTYPE_DECIMAL: hr = VarBstrFromDec((DECIMAL*)src, LOCALE_USER_DEFAULT, 0, d); break;
612 case DBTYPE_I1: hr = VarBstrFromI1(*(signed char*)src, LOCALE_USER_DEFAULT, 0, d); break;
613 case DBTYPE_UI1: hr = VarBstrFromUI1(*(BYTE*)src, LOCALE_USER_DEFAULT, 0, d); break;
614 case DBTYPE_UI2: hr = VarBstrFromUI2(*(WORD*)src, LOCALE_USER_DEFAULT, 0, d); break;
615 case DBTYPE_UI4: hr = VarBstrFromUI4(*(DWORD*)src, LOCALE_USER_DEFAULT, 0, d); break;
616 case DBTYPE_I8: hr = VarBstrFromI8(*(LONGLONG*)src, LOCALE_USER_DEFAULT, 0, d); break;
617 case DBTYPE_UI8: hr = VarBstrFromUI8(*(ULONGLONG*)src, LOCALE_USER_DEFAULT, 0, d); break;
618 case DBTYPE_GUID:
619 {
620 WCHAR szBuff[39];
621 const GUID *id = (const GUID *)src;
622 WCHAR format[] = {
623 '{','%','0','8','X','-','%','0','4','X','-','%','0','4','X','-',
624 '%','0','2','X','%','0','2','X','-',
625 '%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X','}',0};
626 wsprintfW(szBuff, format,
627 id->Data1, id->Data2, id->Data3,
628 id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
629 id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7] );
630 *d = SysAllocString(szBuff);
631 hr = *d ? S_OK : E_OUTOFMEMORY;
632 }
633 break;
634 case DBTYPE_BYTES:
635 {
636 *d = SysAllocStringLen(NULL, 2 * src_len);
637 if (*d == NULL)
638 hr = E_OUTOFMEMORY;
639 else
640 {
641 const char hexchars[] = "0123456789ABCDEF";
642 WCHAR *s = *d;
643 unsigned char *p = src;
644 while (src_len > 0)
645 {
646 *s++ = hexchars[(*p >> 4) & 0x0F];
647 *s++ = hexchars[(*p) & 0x0F];
648 src_len--; p++;
649 }
650 hr = S_OK;
651 }
652 }
653 break;
654 case DBTYPE_DBTIMESTAMP:
655 {
656 WCHAR szBuff[64];
657 static const WCHAR format1[] = {
658 '%','0','4','d','-','%','0','2','d','-','%','0','2','d',' ','%','0','2','d',':','%','0','2','d',
659 ':','%','0','2','d', 0};
660 static const WCHAR format2[] = {
661 '%','0','4','d','-','%','0','2','d','-','%','0','2','d',' ','%','0','2','d',':','%','0','2','d',
662 ':','%','0','2','d','.','%','0','9','d', 0};
663 DBTIMESTAMP *ts = (DBTIMESTAMP *)src;
664
665 if(ts->fraction == 0)
666 wsprintfW(szBuff, format1, ts->year, ts->month, ts->day, ts->hour, ts->minute, ts->second);
667 else
668 wsprintfW(szBuff, format2, ts->year, ts->month, ts->day, ts->hour, ts->minute, ts->second, ts->fraction );
669 *d = SysAllocString(szBuff);
670 hr = *d ? S_OK : E_OUTOFMEMORY;
671 break;
672 }
673 case DBTYPE_VARIANT:
674 VariantInit(&tmp);
675 if ((hr = VariantChangeType(&tmp, (VARIANT*)src, 0, VT_BSTR)) == S_OK)
676 *d = V_BSTR(&tmp);
677 break;
678 default: FIXME("Unimplemented conversion %04x -> BSTR\n", src_type); return E_NOTIMPL;
679 }
680 break;
681 }
682
683 case DBTYPE_UI1:
684 {
685 BYTE *d = dst;
686 switch(src_type)
687 {
688 case DBTYPE_EMPTY: *d = 0; hr = S_OK; break;
689 case DBTYPE_I2: hr = VarUI1FromI2(*(signed short*)src, d); break;
690 case DBTYPE_I4: hr = VarUI1FromI4(*(signed int*)src, d); break;
691 case DBTYPE_R4: hr = VarUI1FromR4(*(FLOAT*)src, d); break;
692 case DBTYPE_R8: hr = VarUI1FromR8(*(double*)src, d); break;
693 case DBTYPE_CY: hr = VarUI1FromCy(*(CY*)src, d); break;
694 case DBTYPE_DATE: hr = VarUI1FromDate(*(DATE*)src, d); break;
695 case DBTYPE_BSTR: hr = VarUI1FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
696 case DBTYPE_BOOL: hr = VarUI1FromBool(*(VARIANT_BOOL*)src, d); break;
697 case DBTYPE_DECIMAL: hr = VarUI1FromDec((DECIMAL*)src, d); break;
698 case DBTYPE_I1: hr = VarUI1FromI1(*(signed char*)src, d); break;
699 case DBTYPE_UI1: *d = *(BYTE*)src; hr = S_OK; break;
700 case DBTYPE_UI2: hr = VarUI1FromUI2(*(WORD*)src, d); break;
701 case DBTYPE_UI4: hr = VarUI1FromUI4(*(DWORD*)src, d); break;
702 case DBTYPE_I8: hr = VarUI1FromI8(*(LONGLONG*)src, d); break;
703 case DBTYPE_UI8: hr = VarUI1FromUI8(*(ULONGLONG*)src, d); break;
704 default: FIXME("Unimplemented conversion %04x -> UI1\n", src_type); return E_NOTIMPL;
705 }
706 break;
707 }
708 case DBTYPE_UI2:
709 {
710 WORD *d = dst;
711 switch(src_type)
712 {
713 case DBTYPE_EMPTY: *d = 0; hr = S_OK; break;
714 case DBTYPE_I2: hr = VarUI2FromI2(*(signed short*)src, d); break;
715 case DBTYPE_I4: hr = VarUI2FromI4(*(signed int*)src, d); break;
716 case DBTYPE_R4: hr = VarUI2FromR4(*(FLOAT*)src, d); break;
717 case DBTYPE_R8: hr = VarUI2FromR8(*(double*)src, d); break;
718 case DBTYPE_CY: hr = VarUI2FromCy(*(CY*)src, d); break;
719 case DBTYPE_DATE: hr = VarUI2FromDate(*(DATE*)src, d); break;
720 case DBTYPE_BSTR: hr = VarUI2FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
721 case DBTYPE_BOOL: hr = VarUI2FromBool(*(VARIANT_BOOL*)src, d); break;
722 case DBTYPE_DECIMAL: hr = VarUI2FromDec((DECIMAL*)src, d); break;
723 case DBTYPE_I1: hr = VarUI2FromI1(*(signed char*)src, d); break;
724 case DBTYPE_UI1: hr = VarUI2FromUI1(*(BYTE*)src, d); break;
725 case DBTYPE_UI2: *d = *(WORD*)src; hr = S_OK; break;
726 case DBTYPE_UI4: hr = VarUI2FromUI4(*(DWORD*)src, d); break;
727 case DBTYPE_I8: hr = VarUI2FromI8(*(LONGLONG*)src, d); break;
728 case DBTYPE_UI8: hr = VarUI2FromUI8(*(ULONGLONG*)src, d); break;
729 default: FIXME("Unimplemented conversion %04x -> UI2\n", src_type); return E_NOTIMPL;
730 }
731 break;
732 }
733
734 case DBTYPE_UI4:
735 {
736 DWORD *d = dst;
737 switch(src_type)
738 {
739 case DBTYPE_EMPTY: *d = 0; hr = S_OK; break;
740 case DBTYPE_I2: hr = VarUI4FromI2(*(signed short*)src, d); break;
741 case DBTYPE_I4: hr = VarUI4FromI4(*(signed int*)src, d); break;
742 case DBTYPE_R4: hr = VarUI4FromR4(*(FLOAT*)src, d); break;
743 case DBTYPE_R8: hr = VarUI4FromR8(*(double*)src, d); break;
744 case DBTYPE_CY: hr = VarUI4FromCy(*(CY*)src, d); break;
745 case DBTYPE_DATE: hr = VarUI4FromDate(*(DATE*)src, d); break;
746 case DBTYPE_BSTR: hr = VarUI4FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
747 case DBTYPE_BOOL: hr = VarUI4FromBool(*(VARIANT_BOOL*)src, d); break;
748 case DBTYPE_DECIMAL: hr = VarUI4FromDec((DECIMAL*)src, d); break;
749 case DBTYPE_I1: hr = VarUI4FromI1(*(signed char*)src, d); break;
750 case DBTYPE_UI1: hr = VarUI4FromUI1(*(BYTE*)src, d); break;
751 case DBTYPE_UI2: hr = VarUI4FromUI2(*(WORD*)src, d); break;
752 case DBTYPE_UI4: *d = *(DWORD*)src; hr = S_OK; break;
753 case DBTYPE_I8: hr = VarUI4FromI8(*(LONGLONG*)src, d); break;
754 case DBTYPE_UI8: hr = VarUI4FromUI8(*(ULONGLONG*)src, d); break;
755 case DBTYPE_VARIANT:
756 VariantInit(&tmp);
757 if ((hr = VariantChangeType(&tmp, (VARIANT*)src, 0, VT_UI4)) == S_OK)
758 *d = V_UI4(&tmp);
759 break;
760 default: FIXME("Unimplemented conversion %04x -> UI4\n", src_type); return E_NOTIMPL;
761 }
762 break;
763 }
764
765 case DBTYPE_UI8:
766 {
767 ULONGLONG *d = dst;
768 switch(src_type)
769 {
770 case DBTYPE_EMPTY: *d = 0; hr = S_OK; break;
771 case DBTYPE_I2: hr = VarUI8FromI2(*(signed short*)src, d); break;
772 case DBTYPE_I4: {LONGLONG s = *(signed int*)src; hr = VarUI8FromI8(s, d); break;}
773 case DBTYPE_R4: hr = VarUI8FromR4(*(FLOAT*)src, d); break;
774 case DBTYPE_R8: hr = VarUI8FromR8(*(double*)src, d); break;
775 case DBTYPE_CY: hr = VarUI8FromCy(*(CY*)src, d); break;
776 case DBTYPE_DATE: hr = VarUI8FromDate(*(DATE*)src, d); break;
777 case DBTYPE_BSTR: hr = VarUI8FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
778 case DBTYPE_BOOL: hr = VarUI8FromBool(*(VARIANT_BOOL*)src, d); break;
779 case DBTYPE_DECIMAL: hr = VarUI8FromDec((DECIMAL*)src, d); break;
780 case DBTYPE_I1: hr = VarUI8FromI1(*(signed char*)src, d); break;
781 case DBTYPE_UI1: hr = VarUI8FromUI1(*(BYTE*)src, d); break;
782 case DBTYPE_UI2: hr = VarUI8FromUI2(*(WORD*)src, d); break;
783 case DBTYPE_UI4: hr = VarUI8FromUI4(*(DWORD*)src, d); break;
784 case DBTYPE_I8: hr = VarUI8FromI8(*(LONGLONG*)src, d); break;
785 case DBTYPE_UI8: *d = *(ULONGLONG*)src; hr = S_OK; break;
786 default: FIXME("Unimplemented conversion %04x -> UI8\n", src_type); return E_NOTIMPL;
787 }
788 break;
789 }
790
791 case DBTYPE_FILETIME:
792 {
793 FILETIME *d = dst;
794 switch(src_type)
795 {
796 case DBTYPE_EMPTY: d->dwLowDateTime = d->dwHighDateTime = 0; hr = S_OK; break;
797 case DBTYPE_FILETIME: *d = *(FILETIME*)src; hr = S_OK; break;
798 default: FIXME("Unimplemented conversion %04x -> FILETIME\n", src_type); return E_NOTIMPL;
799 }
800 break;
801 }
802
803 case DBTYPE_GUID:
804 {
805 GUID *d = dst;
806 switch(src_type)
807 {
808 case DBTYPE_EMPTY: *d = GUID_NULL; hr = S_OK; break;
809 case DBTYPE_GUID: *d = *(GUID*)src; hr = S_OK; break;
810 default: FIXME("Unimplemented conversion %04x -> GUID\n", src_type); return E_NOTIMPL;
811 }
812 break;
813 }
814
815 case DBTYPE_WSTR:
816 {
817 BSTR b;
818 DBLENGTH bstr_len;
819 INT bytes_to_copy;
820 hr = IDataConvert_DataConvert(iface, src_type, DBTYPE_BSTR, src_len, &bstr_len,
821 src, &b, sizeof(BSTR), src_status, dst_status,
822 precision, scale, flags);
823 if(hr != S_OK || *dst_status == DBSTATUS_S_ISNULL)
824 return hr;
825 bstr_len = SysStringLen(b);
826 *dst_len = bstr_len * sizeof(WCHAR); /* Doesn't include size for '\0' */
827 *dst_status = DBSTATUS_S_OK;
828 bytes_to_copy = min(*dst_len + sizeof(WCHAR), dst_max_len);
829 if(dst)
830 {
831 if(bytes_to_copy >= sizeof(WCHAR))
832 {
833 memcpy(dst, b, bytes_to_copy - sizeof(WCHAR));
834 *((WCHAR*)dst + bytes_to_copy / sizeof(WCHAR) - 1) = 0;
835 if(bytes_to_copy < *dst_len + sizeof(WCHAR))
836 *dst_status = DBSTATUS_S_TRUNCATED;
837 }
838 else
839 {
840 *dst_status = DBSTATUS_E_DATAOVERFLOW;
841 hr = DB_E_ERRORSOCCURRED;
842 }
843 }
844 SysFreeString(b);
845 return hr;
846 }
847
848 case DBTYPE_STR:
849 {
850 BSTR b;
851 DBLENGTH length;
852 INT bytes_to_copy;
853 hr = IDataConvert_DataConvert(iface, src_type, DBTYPE_BSTR, src_len, &length,
854 src, &b, sizeof(BSTR), src_status, dst_status,
855 precision, scale, flags);
856 if(hr != S_OK) return hr;
857 length = WideCharToMultiByte(CP_ACP, 0, b, SysStringLen(b), NULL, 0, NULL, NULL);
858 *dst_len = length; /* Doesn't include size for '\0' */
859 *dst_status = DBSTATUS_S_OK;
860 bytes_to_copy = min(length + 1, dst_max_len);
861 if(dst)
862 {
863 if(bytes_to_copy >= sizeof(char))
864 {
865 WideCharToMultiByte(CP_ACP, 0, b, SysStringLen(b), dst, bytes_to_copy - 1, NULL, NULL);
866 *((char *)dst + bytes_to_copy - 1) = 0;
867 if(bytes_to_copy < length + 1)
868 *dst_status = DBSTATUS_S_TRUNCATED;
869 }
870 else
871 {
872 *dst_status = DBSTATUS_E_DATAOVERFLOW;
873 hr = DB_E_ERRORSOCCURRED;
874 }
875 }
876 SysFreeString(b);
877 return hr;
878 }
879
880 case DBTYPE_BYREF | DBTYPE_WSTR:
881 {
882 BSTR b;
883 WCHAR **d = dst;
884 DBLENGTH bstr_len;
885 hr = IDataConvert_DataConvert(iface, src_type, DBTYPE_BSTR, src_len, &bstr_len,
886 src, &b, sizeof(BSTR), src_status, dst_status,
887 precision, scale, flags);
888 if(hr != S_OK) return hr;
889
890 bstr_len = SysStringLen(b) * sizeof(WCHAR);
891 *dst_len = bstr_len; /* Doesn't include size for '\0' */
892
893 *d = CoTaskMemAlloc(bstr_len + sizeof(WCHAR));
894 if(*d) memcpy(*d, b, bstr_len + sizeof(WCHAR));
895 else hr = E_OUTOFMEMORY;
896 SysFreeString(b);
897 return hr;
898 }
899
900 case DBTYPE_BYREF | DBTYPE_STR:
901 {
902 BSTR b;
903 char **d = dst;
904 DBLENGTH length;
905 hr = IDataConvert_DataConvert(iface, src_type, DBTYPE_BSTR, src_len, &length,
906 src, &b, sizeof(BSTR), src_status, dst_status,
907 precision, scale, flags);
908 if(hr != S_OK) return hr;
909
910 length = WideCharToMultiByte(CP_ACP, 0, b, SysStringLen(b) + 1, NULL, 0, NULL, NULL);
911 *dst_len = length - 1; /* Doesn't include size for '\0' */
912 *dst_status = DBSTATUS_S_OK;
913 *d = CoTaskMemAlloc(length);
914
915 if(*d)
916 WideCharToMultiByte(CP_ACP, 0, b, SysStringLen(b) + 1, *d, length, NULL, NULL);
917 else
918 hr = E_OUTOFMEMORY;
919 SysFreeString(b);
920
921 return hr;
922 }
923
924 case DBTYPE_VARIANT:
925 {
926 VARIANT *v = dst;
927
928 switch(src_type)
929 {
930 case DBTYPE_BOOL:
931 V_VT(v) = VT_BOOL;
932 V_BOOL(v) = *(VARIANT_BOOL*)src;
933 hr = S_OK;
934 break;
935 case DBTYPE_I2:
936 V_VT(v) = VT_I2;
937 V_I2(v) = *(signed short*)src;
938 hr = S_OK;
939 break;
940 case DBTYPE_I4:
941 V_VT(v) = VT_I4;
942 V_I4(v) = *(signed int*)src;
943 hr = S_OK;
944 break;
945 case DBTYPE_I8:
946 V_VT(v) = VT_DECIMAL;
947 hr = VarDecFromI8( *(LONGLONG*)src, &V_DECIMAL(v));
948 break;
949 case DBTYPE_R4:
950 V_VT(v) = VT_R4;
951 V_R4(v) = *(FLOAT*)src;
952 hr = S_OK;
953 break;
954 case DBTYPE_R8:
955 V_VT(v) = VT_R8;
956 V_R8(v) = *(double*)src;
957 hr = S_OK;
958 break;
959 case DBTYPE_BSTR:
960 {
961 BSTR s = *(WCHAR**)src;
962 TRACE("%s\n", debugstr_w(s));
963 V_VT(v) = VT_BSTR;
964 V_BSTR(v) = SysAllocString(s);
965 hr = V_BSTR(v) ? S_OK : E_OUTOFMEMORY;
966 break;
967 }
968 case DBTYPE_DATE:
969 V_VT(v) = VT_DATE;
970 V_DATE(v) = *(DATE*)src;
971 hr = S_OK;
972 break;
973 case DBTYPE_DBDATE:
974 {
975 SYSTEMTIME st;
976 DBDATE *ts=(DBDATE*)src;
977
978 V_VT(v) = VT_DATE;
979
980 st.wYear = ts->year;
981 st.wMonth = ts->month;
982 st.wDay = ts->day;
983 st.wHour = 0;
984 st.wMinute = 0;
985 st.wSecond = 0;
986 st.wMilliseconds = 0;
987 hr = (SystemTimeToVariantTime(&st, &V_DATE(v)) ? S_OK : E_FAIL);
988 break;
989 }
990 case DBTYPE_DBTIMESTAMP:
991 {
992 SYSTEMTIME st;
993 DBTIMESTAMP *ts = (DBTIMESTAMP *)src;
994
995 V_VT(v) = VT_DATE;
996
997 st.wYear = ts->year;
998 st.wMonth = ts->month;
999 st.wDay = ts->day;
1000 st.wHour = ts->hour;
1001 st.wMinute = ts->minute;
1002 st.wSecond = ts->second;
1003 st.wMilliseconds = ts->fraction/1000000;
1004 hr = SystemTimeToVariantTime(&st, &V_DATE(v)) ? S_OK : E_FAIL;
1005 break;
1006 }
1007 case DBTYPE_CY:
1008 V_VT(v) = VT_CY;
1009 V_CY(v) = *(CY*)src;
1010 hr = S_OK;
1011 break;
1012 case DBTYPE_BYTES:
1013 {
1014 LONG i;
1015 SAFEARRAY *psa = NULL;
1016 SAFEARRAYBOUND rgsabound[1];
1017 unsigned char *p = src;
1018
1019 rgsabound[0].lLbound = 0;
1020 rgsabound[0].cElements = src_len;
1021
1022 psa = SafeArrayCreate(VT_UI1,1,rgsabound);
1023 for(i =0; i < src_len; i++,p++)
1024 {
1025 hr = SafeArrayPutElement(psa, &i, p);
1026 if(FAILED(hr)) {
1027 SafeArrayDestroy (psa);
1028 return hr;
1029 }
1030 }
1031
1032 V_VT(v) = VT_ARRAY|VT_UI1;
1033 V_ARRAY(v) = psa;
1034 hr = S_OK;
1035 break;
1036 }
1037 default: FIXME("Unimplemented conversion %04x -> VARIANT\n", src_type); return E_NOTIMPL;
1038 }
1039 break;
1040 }
1041 case DBTYPE_BYTES:
1042 {
1043 BYTE *d = dst;
1044
1045 switch(src_type)
1046 {
1047 case DBTYPE_BYTES:
1048 if( src_len > dst_max_len)
1049 *dst_status = DBSTATUS_S_TRUNCATED;
1050 else
1051 *dst_status = DBSTATUS_S_OK;
1052
1053 *dst_len = src_len;
1054 memcpy(d, src, min(src_len, dst_max_len));
1055
1056 return S_OK;
1057 case DBTYPE_VARIANT:
1058 {
1059 switch(V_VT((VARIANT*)src))
1060 {
1061 case VT_UI1 | VT_ARRAY:
1062 {
1063 LONG l;
1064 BYTE *data = NULL;
1065
1066 hr = SafeArrayGetUBound(V_ARRAY((VARIANT*)src), 1, &l);
1067 if(FAILED(hr))
1068 return hr;
1069
1070 hr = SafeArrayAccessData(V_ARRAY((VARIANT*)src), (VOID**)&data);
1071 if(FAILED(hr))
1072 {
1073 ERR("SafeArrayAccessData Failed = 0x%08x\n", hr);
1074 return hr;
1075 }
1076
1077 *dst_len = l+1;
1078 *dst_status = DBSTATUS_S_OK;
1079 memcpy(d, data, *dst_len);
1080
1081 SafeArrayUnaccessData(V_ARRAY((VARIANT*)src));
1082 return S_OK;
1083 }
1084 break;
1085 default:
1086 FIXME("Unimplemented variant type %d -> BYTES\n", V_VT((VARIANT*)src));
1087 return E_NOTIMPL;
1088 }
1089 }
1090 break;
1091 default: FIXME("Unimplemented conversion %04x -> DBTYPE_BYTES\n", src_type); return E_NOTIMPL;
1092 }
1093 break;
1094 }
1095 case DBTYPE_BYTES | DBTYPE_BYREF:
1096 {
1097 BYTE **d = dst;
1098
1099 switch(src_type)
1100 {
1101 case DBTYPE_BYTES:
1102 *d = CoTaskMemAlloc(src_len);
1103 if(*d) memcpy(*d, src, src_len);
1104 else hr = E_OUTOFMEMORY;
1105
1106 *dst_len = src_len;
1107 *dst_status = DBSTATUS_S_OK;
1108 return S_OK;
1109 default: FIXME("Unimplemented conversion %04x -> DBTYPE_BYTES | DBTYPE_BYREF\n", src_type); return E_NOTIMPL;
1110 }
1111 break;
1112 }
1113
1114 case DBTYPE_NUMERIC:
1115 FIXME("Unimplemented conversion %04x -> DBTYPE_NUMERIC\n", src_type);
1116 return E_NOTIMPL;
1117
1118 default:
1119 FIXME("Unimplemented conversion %04x -> %04x\n", src_type, dst_type);
1120 return E_NOTIMPL;
1121 }
1122
1123 if(hr == DISP_E_OVERFLOW)
1124 {
1125 *dst_status = DBSTATUS_E_DATAOVERFLOW;
1126 *dst_len = get_length(dst_type);
1127 hr = DB_E_ERRORSOCCURRED;
1128 }
1129 else if(hr == S_OK)
1130 {
1131 *dst_status = DBSTATUS_S_OK;
1132 *dst_len = get_length(dst_type);
1133 }
1134
1135 return hr;
1136 }
1137
1138 static inline WORD get_dbtype_class(DBTYPE type)
1139 {
1140 switch(type)
1141 {
1142 case DBTYPE_I2:
1143 case DBTYPE_R4:
1144 case DBTYPE_R8:
1145 case DBTYPE_I1:
1146 case DBTYPE_UI1:
1147 case DBTYPE_UI2:
1148 return DBTYPE_I2;
1149
1150 case DBTYPE_I4:
1151 case DBTYPE_UI4:
1152 return DBTYPE_I4;
1153
1154 case DBTYPE_I8:
1155 case DBTYPE_UI8:
1156 return DBTYPE_I8;
1157
1158 case DBTYPE_BSTR:
1159 case DBTYPE_STR:
1160 case DBTYPE_WSTR:
1161 return DBTYPE_BSTR;
1162
1163 case DBTYPE_DBDATE:
1164 case DBTYPE_DBTIME:
1165 case DBTYPE_DBTIMESTAMP:
1166 return DBTYPE_DBDATE;
1167 }
1168 return type;
1169 }
1170
1171 /* Many src types will convert to this group of dst types */
1172 static inline BOOL common_class(WORD dst_class)
1173 {
1174 switch(dst_class)
1175 {
1176 case DBTYPE_EMPTY:
1177 case DBTYPE_NULL:
1178 case DBTYPE_I2:
1179 case DBTYPE_I4:
1180 case DBTYPE_BSTR:
1181 case DBTYPE_BOOL:
1182 case DBTYPE_VARIANT:
1183 case DBTYPE_I8:
1184 case DBTYPE_CY:
1185 case DBTYPE_DECIMAL:
1186 case DBTYPE_NUMERIC:
1187 return TRUE;
1188 }
1189 return FALSE;
1190 }
1191
1192 static inline BOOL array_type(DBTYPE type)
1193 {
1194 return (type >= DBTYPE_I2 && type <= DBTYPE_UI4);
1195 }
1196
1197 static HRESULT WINAPI convert_CanConvert(IDataConvert* iface,
1198 DBTYPE src_type, DBTYPE dst_type)
1199 {
1200 convert *This = impl_from_IDataConvert(iface);
1201 DBTYPE src_base_type = src_type & 0x1ff;
1202 DBTYPE dst_base_type = dst_type & 0x1ff;
1203 WORD dst_class = get_dbtype_class(dst_base_type);
1204
1205 TRACE("(%p)->(%d, %d)\n", This, src_type, dst_type);
1206
1207 if(src_type & DBTYPE_VECTOR || dst_type & DBTYPE_VECTOR) return S_FALSE;
1208
1209 if(src_type & DBTYPE_ARRAY)
1210 {
1211 if(!array_type(src_base_type)) return S_FALSE;
1212 if(dst_type & DBTYPE_ARRAY)
1213 {
1214 if(src_type == dst_type) return S_OK;
1215 return S_FALSE;
1216 }
1217 if(dst_type == DBTYPE_VARIANT) return S_OK;
1218 return S_FALSE;
1219 }
1220
1221 if(dst_type & DBTYPE_ARRAY)
1222 {
1223 if(!array_type(dst_base_type)) return S_FALSE;
1224 if(src_type == DBTYPE_IDISPATCH || src_type == DBTYPE_VARIANT) return S_OK;
1225 return S_FALSE;
1226 }
1227
1228 if(dst_type & DBTYPE_BYREF)
1229 if(dst_base_type != DBTYPE_BYTES && dst_base_type != DBTYPE_STR && dst_base_type != DBTYPE_WSTR)
1230 return S_FALSE;
1231
1232 switch(get_dbtype_class(src_base_type))
1233 {
1234 case DBTYPE_EMPTY:
1235 if(common_class(dst_class)) return S_OK;
1236 switch(dst_class)
1237 {
1238 case DBTYPE_DATE:
1239 case DBTYPE_GUID:
1240 case DBTYPE_FILETIME:
1241 return S_OK;
1242 default:
1243 if(dst_base_type == DBTYPE_DBTIMESTAMP) return S_OK;
1244 return S_FALSE;
1245 }
1246
1247 case DBTYPE_NULL:
1248 switch(dst_base_type)
1249 {
1250 case DBTYPE_NULL:
1251 case DBTYPE_VARIANT:
1252 case DBTYPE_FILETIME: return S_OK;
1253 default: return S_FALSE;
1254 }
1255
1256 case DBTYPE_I4:
1257 if(dst_base_type == DBTYPE_BYTES) return S_OK;
1258 /* fall through */
1259 case DBTYPE_I2:
1260 if(dst_base_type == DBTYPE_DATE) return S_OK;
1261 /* fall through */
1262 case DBTYPE_DECIMAL:
1263 if(common_class(dst_class)) return S_OK;
1264 if(dst_class == DBTYPE_DBDATE) return S_OK;
1265 return S_FALSE;
1266
1267 case DBTYPE_BOOL:
1268 if(dst_base_type == DBTYPE_DATE) return S_OK;
1269 /* fall through */
1270 case DBTYPE_NUMERIC:
1271 case DBTYPE_CY:
1272 if(common_class(dst_class)) return S_OK;
1273 return S_FALSE;
1274
1275 case DBTYPE_I8:
1276 if(common_class(dst_class)) return S_OK;
1277 switch(dst_base_type)
1278 {
1279 case DBTYPE_BYTES:
1280 case DBTYPE_FILETIME: return S_OK;
1281 default: return S_FALSE;
1282 }
1283
1284 case DBTYPE_DATE:
1285 switch(dst_class)
1286 {
1287 case DBTYPE_EMPTY:
1288 case DBTYPE_NULL:
1289 case DBTYPE_I2:
1290 case DBTYPE_I4:
1291 case DBTYPE_BSTR:
1292 case DBTYPE_BOOL:
1293 case DBTYPE_VARIANT:
1294 case DBTYPE_I8:
1295 case DBTYPE_DATE:
1296 case DBTYPE_DBDATE:
1297 case DBTYPE_FILETIME:
1298 return S_OK;
1299 default: return S_FALSE;
1300 }
1301
1302 case DBTYPE_IDISPATCH:
1303 case DBTYPE_VARIANT:
1304 switch(dst_base_type)
1305 {
1306 case DBTYPE_IDISPATCH:
1307 case DBTYPE_ERROR:
1308 case DBTYPE_IUNKNOWN:
1309 return S_OK;
1310 }
1311 /* fall through */
1312 case DBTYPE_BSTR:
1313 if(common_class(dst_class)) return S_OK;
1314 switch(dst_class)
1315 {
1316 case DBTYPE_DATE:
1317 case DBTYPE_GUID:
1318 case DBTYPE_BYTES:
1319 case DBTYPE_DBDATE:
1320 case DBTYPE_FILETIME:
1321 return S_OK;
1322 default: return S_FALSE;
1323 }
1324
1325 case DBTYPE_ERROR:
1326 switch(dst_base_type)
1327 {
1328 case DBTYPE_BSTR:
1329 case DBTYPE_ERROR:
1330 case DBTYPE_VARIANT:
1331 case DBTYPE_WSTR:
1332 return S_OK;
1333 default: return S_FALSE;
1334 }
1335
1336 case DBTYPE_IUNKNOWN:
1337 switch(dst_base_type)
1338 {
1339 case DBTYPE_EMPTY:
1340 case DBTYPE_NULL:
1341 case DBTYPE_IDISPATCH:
1342 case DBTYPE_VARIANT:
1343 case DBTYPE_IUNKNOWN:
1344 return S_OK;
1345 default: return S_FALSE;
1346 }
1347
1348 case DBTYPE_BYTES:
1349 if(dst_class == DBTYPE_I4 || dst_class == DBTYPE_I8) return S_OK;
1350 /* fall through */
1351 case DBTYPE_GUID:
1352 switch(dst_class)
1353 {
1354 case DBTYPE_EMPTY:
1355 case DBTYPE_NULL:
1356 case DBTYPE_BSTR:
1357 case DBTYPE_VARIANT:
1358 case DBTYPE_GUID:
1359 case DBTYPE_BYTES:
1360 return S_OK;
1361 default: return S_FALSE;
1362 }
1363
1364 case DBTYPE_FILETIME:
1365 if(dst_class == DBTYPE_I8) return S_OK;
1366 /* fall through */
1367 case DBTYPE_DBDATE:
1368 switch(dst_class)
1369 {
1370 case DBTYPE_EMPTY:
1371 case DBTYPE_NULL:
1372 case DBTYPE_DATE:
1373 case DBTYPE_BSTR:
1374 case DBTYPE_VARIANT:
1375 case DBTYPE_DBDATE:
1376 case DBTYPE_FILETIME:
1377 return S_OK;
1378 default: return S_FALSE;
1379 }
1380
1381 }
1382 return S_FALSE;
1383 }
1384
1385 static HRESULT WINAPI convert_GetConversionSize(IDataConvert* iface,
1386 DBTYPE src_type, DBTYPE dst_type,
1387 DBLENGTH *src_len, DBLENGTH *dst_len,
1388 void *src)
1389 {
1390 convert *This = impl_from_IDataConvert(iface);
1391 HRESULT hr;
1392
1393 TRACE("(%p)->(%d, %d, %p, %p, %p)\n", This, src_type, dst_type, src_len, dst_len, src);
1394
1395 hr = IDataConvert_CanConvert(iface, src_type, dst_type);
1396 if (hr != S_OK)
1397 return DB_E_UNSUPPORTEDCONVERSION;
1398
1399 if (!dst_len)
1400 return E_INVALIDARG;
1401
1402 /* for some types we don't need to look into source data */
1403 if ((*dst_len = get_length(dst_type)))
1404 return S_OK;
1405
1406 *dst_len = 110;
1407
1408 if(src_type == DBTYPE_VARIANT && V_VT((VARIANT*)src) == VT_NULL)
1409 return S_OK;
1410
1411 switch (dst_type)
1412 {
1413 case DBTYPE_STR:
1414 switch (src_type)
1415 {
1416 case DBTYPE_VARIANT:
1417 {
1418 VARIANT v;
1419
1420 VariantInit(&v);
1421 if ((hr = VariantChangeType(&v, (VARIANT*)src, 0, VT_BSTR)) == S_OK)
1422 {
1423 *dst_len = WideCharToMultiByte(CP_ACP, 0, V_BSTR(&v), -1, NULL, 0, NULL, NULL);
1424 VariantClear(&v);
1425 }
1426 else
1427 return hr;
1428 }
1429 break;
1430 case DBTYPE_DATE:
1431 case DBTYPE_DECIMAL:
1432 case DBTYPE_EMPTY:
1433 case DBTYPE_I1:
1434 case DBTYPE_I2:
1435 case DBTYPE_UI2:
1436 case DBTYPE_I4:
1437 case DBTYPE_UI4:
1438 case DBTYPE_I8:
1439 case DBTYPE_UI8:
1440 case DBTYPE_R4:
1441 case DBTYPE_DBDATE:
1442 case DBTYPE_DBTIMESTAMP:
1443 case DBTYPE_DBTIME:
1444 break;
1445 default:
1446 FIXME("unimplemented for %04x -> DBTYPE_STR\n", src_type);
1447 return E_NOTIMPL;
1448 }
1449 break;
1450 case DBTYPE_WSTR:
1451 switch (src_type)
1452 {
1453 case DBTYPE_VARIANT:
1454 {
1455 VARIANT v;
1456
1457 VariantInit(&v);
1458 if ((hr = VariantChangeType(&v, (VARIANT*)src, 0, VT_BSTR)) == S_OK)
1459 {
1460 *dst_len = (SysStringLen(V_BSTR(&v))+1) * sizeof(WCHAR);
1461 VariantClear(&v);
1462 }
1463 }
1464 break;
1465 case DBTYPE_STR:
1466 if(src_len)
1467 *dst_len = (*src_len + 1) * sizeof(WCHAR);
1468 else
1469 *dst_len = (strlen(src) + 1) * sizeof(WCHAR);
1470 break;
1471 case DBTYPE_WSTR:
1472 if(src_len)
1473 *dst_len = (*src_len) + sizeof(WCHAR);
1474 else
1475 *dst_len = (lstrlenW(src) + 1) * sizeof(WCHAR);
1476 break;
1477 case DBTYPE_DATE:
1478 case DBTYPE_DECIMAL:
1479 case DBTYPE_EMPTY:
1480 case DBTYPE_I1:
1481 case DBTYPE_I2:
1482 case DBTYPE_UI2:
1483 case DBTYPE_I4:
1484 case DBTYPE_UI4:
1485 case DBTYPE_I8:
1486 case DBTYPE_UI8:
1487 case DBTYPE_R4:
1488 case DBTYPE_DBDATE:
1489 case DBTYPE_DBTIMESTAMP:
1490 case DBTYPE_DBTIME:
1491 break;
1492 default:
1493 FIXME("unimplemented for %04x -> DBTYPE_WSTR\n", src_type);
1494 return E_NOTIMPL;
1495 }
1496 break;
1497 case DBTYPE_BYTES:
1498 switch (src_type)
1499 {
1500 case DBTYPE_VARIANT:
1501 if(V_VT((VARIANT*)src) == VT_BSTR)
1502 *dst_len = (SysStringLen(V_BSTR((VARIANT*)src))) / sizeof(WCHAR);
1503 else
1504 {
1505 switch(V_VT((VARIANT*)src))
1506 {
1507 case VT_UI1 | VT_ARRAY:
1508 {
1509 LONG l;
1510
1511 hr = SafeArrayGetUBound(V_ARRAY((VARIANT*)src), 1, &l);
1512 if(FAILED(hr))
1513 return hr;
1514 *dst_len = l+1;
1515
1516 break;
1517 }
1518 default:
1519 WARN("DBTYPE_VARIANT(%d)->DBTYPE_BYTES unimplemented\n", V_VT((VARIANT*)src));
1520 }
1521 }
1522 break;
1523 default:
1524 FIXME("unimplemented for %04x -> DBTYPE_BYTES\n", src_type);
1525 return E_NOTIMPL;
1526 }
1527 break;
1528 default:
1529 FIXME("unimplemented for conversion %d->%d\n", src_type, dst_type);
1530 return E_NOTIMPL;
1531 }
1532
1533 return S_OK;
1534 }
1535
1536 static const struct IDataConvertVtbl convert_vtbl =
1537 {
1538 convert_QueryInterface,
1539 convert_AddRef,
1540 convert_Release,
1541 convert_DataConvert,
1542 convert_CanConvert,
1543 convert_GetConversionSize
1544 };
1545
1546 static HRESULT WINAPI dcinfo_QueryInterface(IDCInfo* iface, REFIID riid, void **obj)
1547 {
1548 convert *This = impl_from_IDCInfo(iface);
1549
1550 return IDataConvert_QueryInterface(&This->IDataConvert_iface, riid, obj);
1551 }
1552
1553 static ULONG WINAPI dcinfo_AddRef(IDCInfo* iface)
1554 {
1555 convert *This = impl_from_IDCInfo(iface);
1556
1557 return IDataConvert_AddRef(&This->IDataConvert_iface);
1558 }
1559
1560 static ULONG WINAPI dcinfo_Release(IDCInfo* iface)
1561 {
1562 convert *This = impl_from_IDCInfo(iface);
1563
1564 return IDataConvert_Release(&This->IDataConvert_iface);
1565 }
1566
1567 static HRESULT WINAPI dcinfo_GetInfo(IDCInfo *iface, ULONG num, DCINFOTYPE types[], DCINFO **info_ptr)
1568 {
1569 convert *This = impl_from_IDCInfo(iface);
1570 ULONG i;
1571 DCINFO *infos;
1572
1573 TRACE("(%p)->(%d, %p, %p)\n", This, num, types, info_ptr);
1574
1575 *info_ptr = infos = CoTaskMemAlloc(num * sizeof(*infos));
1576 if(!infos) return E_OUTOFMEMORY;
1577
1578 for(i = 0; i < num; i++)
1579 {
1580 infos[i].eInfoType = types[i];
1581 VariantInit(&infos[i].vData);
1582
1583 switch(types[i])
1584 {
1585 case DCINFOTYPE_VERSION:
1586 V_VT(&infos[i].vData) = VT_UI4;
1587 V_UI4(&infos[i].vData) = This->version;
1588 break;
1589 }
1590 }
1591
1592 return S_OK;
1593 }
1594
1595 static HRESULT WINAPI dcinfo_SetInfo(IDCInfo* iface, ULONG num, DCINFO info[])
1596 {
1597 convert *This = impl_from_IDCInfo(iface);
1598 ULONG i;
1599 HRESULT hr = S_OK;
1600
1601 TRACE("(%p)->(%d, %p)\n", This, num, info);
1602
1603 for(i = 0; i < num; i++)
1604 {
1605 switch(info[i].eInfoType)
1606 {
1607 case DCINFOTYPE_VERSION:
1608 if(V_VT(&info[i].vData) != VT_UI4)
1609 {
1610 FIXME("VERSION with vt %x\n", V_VT(&info[i].vData));
1611 hr = DB_S_ERRORSOCCURRED;
1612 break;
1613 }
1614 This->version = V_UI4(&info[i].vData);
1615 break;
1616
1617 default:
1618 FIXME("Unhandled info type %d (vt %x)\n", info[i].eInfoType, V_VT(&info[i].vData));
1619 }
1620 }
1621 return hr;
1622 }
1623
1624 static const struct IDCInfoVtbl dcinfo_vtbl =
1625 {
1626 dcinfo_QueryInterface,
1627 dcinfo_AddRef,
1628 dcinfo_Release,
1629 dcinfo_GetInfo,
1630 dcinfo_SetInfo
1631 };
1632
1633 HRESULT create_oledb_convert(IUnknown *outer, void **obj)
1634 {
1635 convert *This;
1636
1637 TRACE("(%p, %p)\n", outer, obj);
1638
1639 *obj = NULL;
1640
1641 if(outer) return CLASS_E_NOAGGREGATION;
1642
1643 This = heap_alloc(sizeof(*This));
1644 if(!This) return E_OUTOFMEMORY;
1645
1646 This->IDataConvert_iface.lpVtbl = &convert_vtbl;
1647 This->IDCInfo_iface.lpVtbl = &dcinfo_vtbl;
1648 This->ref = 1;
1649 This->version = 0x110;
1650
1651 *obj = &This->IDataConvert_iface;
1652
1653 return S_OK;
1654 }
Windows API implementation