1 /* OLE DB Conversion library
3 * Copyright 2009 Huw Davies
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.
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.
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
31 #include "oledb_private.h"
33 #include "wine/debug.h"
34 #include "wine/heap.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(oledb
);
40 IDataConvert IDataConvert_iface
;
41 IDCInfo IDCInfo_iface
;
45 UINT version
; /* Set by IDCInfo_SetInfo */
48 static inline convert
*impl_from_IDataConvert(IDataConvert
*iface
)
50 return CONTAINING_RECORD(iface
, convert
, IDataConvert_iface
);
53 static inline convert
*impl_from_IDCInfo(IDCInfo
*iface
)
55 return CONTAINING_RECORD(iface
, convert
, IDCInfo_iface
);
58 static HRESULT WINAPI
convert_QueryInterface(IDataConvert
* iface
,
62 convert
*This
= impl_from_IDataConvert(iface
);
63 TRACE("(%p)->(%s, %p)\n", This
, debugstr_guid(riid
), obj
);
67 if(IsEqualIID(riid
, &IID_IUnknown
) ||
68 IsEqualIID(riid
, &IID_IDataConvert
))
72 else if(IsEqualIID(riid
, &IID_IDCInfo
))
74 *obj
= &This
->IDCInfo_iface
;
78 FIXME("interface %s not implemented\n", debugstr_guid(riid
));
82 IDataConvert_AddRef(iface
);
87 static ULONG WINAPI
convert_AddRef(IDataConvert
* iface
)
89 convert
*This
= impl_from_IDataConvert(iface
);
90 TRACE("(%p)\n", This
);
92 return InterlockedIncrement(&This
->ref
);
96 static ULONG WINAPI
convert_Release(IDataConvert
* iface
)
98 convert
*This
= impl_from_IDataConvert(iface
);
101 TRACE("(%p)\n", This
);
103 ref
= InterlockedDecrement(&This
->ref
);
110 static int get_length(DBTYPE type
)
121 return sizeof(VARIANT_BOOL
);
132 return sizeof(DBDATE
);
133 case DBTYPE_DBTIMESTAMP
:
134 return sizeof(DBTIMESTAMP
);
139 case DBTYPE_FILETIME
:
140 return sizeof(FILETIME
);
144 return sizeof(DB_NUMERIC
);
148 case DBTYPE_BYREF
| DBTYPE_WSTR
:
151 return sizeof(VARIANT
);
153 FIXME("Unhandled type %04x\n", type
);
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
,
167 convert
*This
= impl_from_IDataConvert(iface
);
168 DBLENGTH dst_len_loc
;
169 DBSTATUS dst_status_loc
;
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
);
177 if (!dst_len
) dst_len
= &dst_len_loc
;
178 if (!dst_status
) dst_status
= &dst_status_loc
;
180 *dst_status
= DBSTATUS_E_BADACCESSOR
;
182 if(src_status
== DBSTATUS_S_ISNULL
)
184 *dst_status
= DBSTATUS_S_ISNULL
;
189 if(src_type
== DBTYPE_VARIANT
&& V_VT((VARIANT
*)src
) == VT_NULL
)
191 if(dst_type
== DBTYPE_VARIANT
)
192 *dst_len
= sizeof(VARIANT
);
194 *dst_status
= DBSTATUS_S_ISNULL
;
198 if(IDataConvert_CanConvert(iface
, src_type
, dst_type
) != S_OK
)
200 return DB_E_UNSUPPORTEDCONVERSION
;
203 if(dst
== NULL
&& get_length(dst_type
) != 0)
205 *dst_len
= get_length(src_type
);
206 *dst_status
= DBSTATUS_S_OK
;
210 if(src_type
== DBTYPE_STR
)
215 if(flags
& DBDATACONVERT_LENGTHFROMNTS
)
216 len
= MultiByteToWideChar(CP_ACP
, 0, src
, -1, NULL
, 0) - 1;
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);
224 MultiByteToWideChar(CP_ACP
, 0, src
, src_len
, b
, len
);
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
);
234 if(src_type
== DBTYPE_WSTR
)
238 if(flags
& DBDATACONVERT_LENGTHFROMNTS
)
239 b
= SysAllocString(src
);
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
);
254 signed short *d
= dst
;
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;
275 if ((hr
= VariantChangeType(&tmp
, (VARIANT
*)src
, 0, VT_I2
)) == S_OK
)
278 default: FIXME("Unimplemented conversion %04x -> I2\n", src_type
); return E_NOTIMPL
;
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;
306 if ((hr
= VariantChangeType(&tmp
, (VARIANT
*)src
, 0, VT_I4
)) == S_OK
)
309 default: FIXME("Unimplemented conversion %04x -> I4\n", src_type
); return E_NOTIMPL
;
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
;
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;
349 if ((hr
= VariantChangeType(&tmp
, (VARIANT
*)src
, 0, VT_R4
)) == S_OK
)
352 default: FIXME("Unimplemented conversion %04x -> R4\n", src_type
); return E_NOTIMPL
;
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;
379 if ((hr
= VariantChangeType(&tmp
, (VARIANT
*)src
, 0, VT_R8
)) == S_OK
)
382 default: FIXME("Unimplemented conversion %04x -> R8\n", src_type
); return E_NOTIMPL
;
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
;
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
:
435 DBTIMESTAMP
*ts
=(DBTIMESTAMP
*)src
;
438 st
.wMonth
= ts
->month
;
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
);
447 default: FIXME("Unimplemented conversion %04x -> DATE\n", src_type
); return E_NOTIMPL
;
456 case DBTYPE_DBDATE
: memcpy(d
, src
, sizeof(DBDATE
)); hr
= S_OK
; break;
460 BSTR s
= *(WCHAR
**)src
;
463 V_VT(&var
) = VT_BSTR
;
464 V_BSTR(&var
) = SysAllocString(s
);
466 if ((hr
= VariantChangeType(&var
, &var
, 0, VT_DATE
)) == S_OK
)
469 hr
= (VariantTimeToSystemTime( V_DATE(&var
), &st
) ? S_OK
: E_FAIL
);
471 d
->month
= st
.wMonth
;
482 if ((hr
= VariantChangeType(&tmp
, (VARIANT
*)src
, 0, VT_DATE
)) == S_OK
)
485 hr
= (VariantTimeToSystemTime( V_DATE(&tmp
), &st
) ? S_OK
: E_FAIL
);
487 d
->month
= st
.wMonth
;
492 FIXME("Unimplemented variant type %d -> DBDATE\n", V_VT((VARIANT
*)src
));
497 default: FIXME("Unimplemented conversion %04x -> DBDATE\n", src_type
); return E_NOTIMPL
;
501 case DBTYPE_DBTIMESTAMP
:
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;
511 BSTR s
= *(WCHAR
**)src
;
514 V_VT(&var
) = VT_BSTR
;
515 V_BSTR(&var
) = SysAllocString(s
);
517 if ((hr
= VariantChangeType(&var
, &var
, 0, VT_DATE
)) == S_OK
)
521 hr
= (VariantTimeToSystemTime( V_DATE(&var
), &st
) ? S_OK
: E_FAIL
);
523 d
->month
= st
.wMonth
;
526 d
->minute
= st
.wMinute
;
527 d
->second
= st
.wSecond
;
528 d
->fraction
= st
.wMilliseconds
* 1000000;
537 hr
= (VariantTimeToSystemTime(*(double*)src
, &st
) ? S_OK
: E_FAIL
);
539 d
->month
= st
.wMonth
;
542 d
->minute
= st
.wMinute
;
543 d
->second
= st
.wSecond
;
544 d
->fraction
= st
.wMilliseconds
* 1000000;
548 if( V_VT((VARIANT
*)src
) == VT_DATE
)
551 hr
= (VariantTimeToSystemTime( V_DATE((VARIANT
*)src
), &st
) ? S_OK
: E_FAIL
);
553 d
->month
= st
.wMonth
;
556 d
->minute
= st
.wMinute
;
557 d
->second
= st
.wSecond
;
558 d
->fraction
= st
.wMilliseconds
* 1000000;
562 FIXME("Unimplemented variant type %d -> DBTIMESTAMP\n", V_VT((VARIANT
*)src
));
566 default: FIXME("Unimplemented conversion %04x -> DBTIMESTAMP\n", src_type
); return E_NOTIMPL
;
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
;
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;
621 const GUID
*id
= (const GUID
*)src
;
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
;
636 *d
= SysAllocStringLen(NULL
, 2 * src_len
);
641 const char hexchars
[] = "0123456789ABCDEF";
643 unsigned char *p
= src
;
646 *s
++ = hexchars
[(*p
>> 4) & 0x0F];
647 *s
++ = hexchars
[(*p
) & 0x0F];
654 case DBTYPE_DBTIMESTAMP
:
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
;
665 if(ts
->fraction
== 0)
666 wsprintfW(szBuff
, format1
, ts
->year
, ts
->month
, ts
->day
, ts
->hour
, ts
->minute
, ts
->second
);
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
;
675 if ((hr
= VariantChangeType(&tmp
, (VARIANT
*)src
, 0, VT_BSTR
)) == S_OK
)
678 default: FIXME("Unimplemented conversion %04x -> BSTR\n", src_type
); return E_NOTIMPL
;
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
;
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
;
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;
757 if ((hr
= VariantChangeType(&tmp
, (VARIANT
*)src
, 0, VT_UI4
)) == S_OK
)
760 default: FIXME("Unimplemented conversion %04x -> UI4\n", src_type
); return E_NOTIMPL
;
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
;
791 case DBTYPE_FILETIME
:
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
;
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
;
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
)
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
);
831 if(bytes_to_copy
>= sizeof(WCHAR
))
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
;
840 *dst_status
= DBSTATUS_E_DATAOVERFLOW
;
841 hr
= DB_E_ERRORSOCCURRED
;
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
);
863 if(bytes_to_copy
>= sizeof(char))
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
;
872 *dst_status
= DBSTATUS_E_DATAOVERFLOW
;
873 hr
= DB_E_ERRORSOCCURRED
;
880 case DBTYPE_BYREF
| DBTYPE_WSTR
:
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
;
890 bstr_len
= SysStringLen(b
) * sizeof(WCHAR
);
891 *dst_len
= bstr_len
; /* Doesn't include size for '\0' */
893 *d
= CoTaskMemAlloc(bstr_len
+ sizeof(WCHAR
));
894 if(*d
) memcpy(*d
, b
, bstr_len
+ sizeof(WCHAR
));
895 else hr
= E_OUTOFMEMORY
;
900 case DBTYPE_BYREF
| DBTYPE_STR
:
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
;
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
);
916 WideCharToMultiByte(CP_ACP
, 0, b
, SysStringLen(b
) + 1, *d
, length
, NULL
, NULL
);
932 V_BOOL(v
) = *(VARIANT_BOOL
*)src
;
937 V_I2(v
) = *(signed short*)src
;
942 V_I4(v
) = *(signed int*)src
;
946 V_VT(v
) = VT_DECIMAL
;
947 hr
= VarDecFromI8( *(LONGLONG
*)src
, &V_DECIMAL(v
));
951 V_R4(v
) = *(FLOAT
*)src
;
956 V_R8(v
) = *(double*)src
;
961 BSTR s
= *(WCHAR
**)src
;
962 TRACE("%s\n", debugstr_w(s
));
964 V_BSTR(v
) = SysAllocString(s
);
965 hr
= V_BSTR(v
) ? S_OK
: E_OUTOFMEMORY
;
970 V_DATE(v
) = *(DATE
*)src
;
976 DBDATE
*ts
=(DBDATE
*)src
;
981 st
.wMonth
= ts
->month
;
986 st
.wMilliseconds
= 0;
987 hr
= (SystemTimeToVariantTime(&st
, &V_DATE(v
)) ? S_OK
: E_FAIL
);
990 case DBTYPE_DBTIMESTAMP
:
993 DBTIMESTAMP
*ts
= (DBTIMESTAMP
*)src
;
998 st
.wMonth
= ts
->month
;
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
;
1009 V_CY(v
) = *(CY
*)src
;
1015 SAFEARRAY
*psa
= NULL
;
1016 SAFEARRAYBOUND rgsabound
[1];
1017 unsigned char *p
= src
;
1019 rgsabound
[0].lLbound
= 0;
1020 rgsabound
[0].cElements
= src_len
;
1022 psa
= SafeArrayCreate(VT_UI1
,1,rgsabound
);
1023 for(i
=0; i
< src_len
; i
++,p
++)
1025 hr
= SafeArrayPutElement(psa
, &i
, p
);
1027 SafeArrayDestroy (psa
);
1032 V_VT(v
) = VT_ARRAY
|VT_UI1
;
1037 default: FIXME("Unimplemented conversion %04x -> VARIANT\n", src_type
); return E_NOTIMPL
;
1048 if( src_len
> dst_max_len
)
1049 *dst_status
= DBSTATUS_S_TRUNCATED
;
1051 *dst_status
= DBSTATUS_S_OK
;
1054 memcpy(d
, src
, min(src_len
, dst_max_len
));
1057 case DBTYPE_VARIANT
:
1059 switch(V_VT((VARIANT
*)src
))
1061 case VT_UI1
| VT_ARRAY
:
1066 hr
= SafeArrayGetUBound(V_ARRAY((VARIANT
*)src
), 1, &l
);
1070 hr
= SafeArrayAccessData(V_ARRAY((VARIANT
*)src
), (VOID
**)&data
);
1073 ERR("SafeArrayAccessData Failed = 0x%08x\n", hr
);
1078 *dst_status
= DBSTATUS_S_OK
;
1079 memcpy(d
, data
, *dst_len
);
1081 SafeArrayUnaccessData(V_ARRAY((VARIANT
*)src
));
1086 FIXME("Unimplemented variant type %d -> BYTES\n", V_VT((VARIANT
*)src
));
1091 default: FIXME("Unimplemented conversion %04x -> DBTYPE_BYTES\n", src_type
); return E_NOTIMPL
;
1095 case DBTYPE_BYTES
| DBTYPE_BYREF
:
1102 *d
= CoTaskMemAlloc(src_len
);
1103 if(*d
) memcpy(*d
, src
, src_len
);
1104 else hr
= E_OUTOFMEMORY
;
1107 *dst_status
= DBSTATUS_S_OK
;
1109 default: FIXME("Unimplemented conversion %04x -> DBTYPE_BYTES | DBTYPE_BYREF\n", src_type
); return E_NOTIMPL
;
1114 case DBTYPE_NUMERIC
:
1115 FIXME("Unimplemented conversion %04x -> DBTYPE_NUMERIC\n", src_type
);
1119 FIXME("Unimplemented conversion %04x -> %04x\n", src_type
, dst_type
);
1123 if(hr
== DISP_E_OVERFLOW
)
1125 *dst_status
= DBSTATUS_E_DATAOVERFLOW
;
1126 *dst_len
= get_length(dst_type
);
1127 hr
= DB_E_ERRORSOCCURRED
;
1131 *dst_status
= DBSTATUS_S_OK
;
1132 *dst_len
= get_length(dst_type
);
1138 static inline WORD
get_dbtype_class(DBTYPE type
)
1165 case DBTYPE_DBTIMESTAMP
:
1166 return DBTYPE_DBDATE
;
1171 /* Many src types will convert to this group of dst types */
1172 static inline BOOL
common_class(WORD dst_class
)
1182 case DBTYPE_VARIANT
:
1185 case DBTYPE_DECIMAL
:
1186 case DBTYPE_NUMERIC
:
1192 static inline BOOL
array_type(DBTYPE type
)
1194 return (type
>= DBTYPE_I2
&& type
<= DBTYPE_UI4
);
1197 static HRESULT WINAPI
convert_CanConvert(IDataConvert
* iface
,
1198 DBTYPE src_type
, DBTYPE dst_type
)
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
);
1205 TRACE("(%p)->(%d, %d)\n", This
, src_type
, dst_type
);
1207 if(src_type
& DBTYPE_VECTOR
|| dst_type
& DBTYPE_VECTOR
) return S_FALSE
;
1209 if(src_type
& DBTYPE_ARRAY
)
1211 if(!array_type(src_base_type
)) return S_FALSE
;
1212 if(dst_type
& DBTYPE_ARRAY
)
1214 if(src_type
== dst_type
) return S_OK
;
1217 if(dst_type
== DBTYPE_VARIANT
) return S_OK
;
1221 if(dst_type
& DBTYPE_ARRAY
)
1223 if(!array_type(dst_base_type
)) return S_FALSE
;
1224 if(src_type
== DBTYPE_IDISPATCH
|| src_type
== DBTYPE_VARIANT
) return S_OK
;
1228 if(dst_type
& DBTYPE_BYREF
)
1229 if(dst_base_type
!= DBTYPE_BYTES
&& dst_base_type
!= DBTYPE_STR
&& dst_base_type
!= DBTYPE_WSTR
)
1232 switch(get_dbtype_class(src_base_type
))
1235 if(common_class(dst_class
)) return S_OK
;
1240 case DBTYPE_FILETIME
:
1243 if(dst_base_type
== DBTYPE_DBTIMESTAMP
) return S_OK
;
1248 switch(dst_base_type
)
1251 case DBTYPE_VARIANT
:
1252 case DBTYPE_FILETIME
: return S_OK
;
1253 default: return S_FALSE
;
1257 if(dst_base_type
== DBTYPE_BYTES
) return S_OK
;
1260 if(dst_base_type
== DBTYPE_DATE
) return S_OK
;
1262 case DBTYPE_DECIMAL
:
1263 if(common_class(dst_class
)) return S_OK
;
1264 if(dst_class
== DBTYPE_DBDATE
) return S_OK
;
1268 if(dst_base_type
== DBTYPE_DATE
) return S_OK
;
1270 case DBTYPE_NUMERIC
:
1272 if(common_class(dst_class
)) return S_OK
;
1276 if(common_class(dst_class
)) return S_OK
;
1277 switch(dst_base_type
)
1280 case DBTYPE_FILETIME
: return S_OK
;
1281 default: return S_FALSE
;
1293 case DBTYPE_VARIANT
:
1297 case DBTYPE_FILETIME
:
1299 default: return S_FALSE
;
1302 case DBTYPE_IDISPATCH
:
1303 case DBTYPE_VARIANT
:
1304 switch(dst_base_type
)
1306 case DBTYPE_IDISPATCH
:
1308 case DBTYPE_IUNKNOWN
:
1313 if(common_class(dst_class
)) return S_OK
;
1320 case DBTYPE_FILETIME
:
1322 default: return S_FALSE
;
1326 switch(dst_base_type
)
1330 case DBTYPE_VARIANT
:
1333 default: return S_FALSE
;
1336 case DBTYPE_IUNKNOWN
:
1337 switch(dst_base_type
)
1341 case DBTYPE_IDISPATCH
:
1342 case DBTYPE_VARIANT
:
1343 case DBTYPE_IUNKNOWN
:
1345 default: return S_FALSE
;
1349 if(dst_class
== DBTYPE_I4
|| dst_class
== DBTYPE_I8
) return S_OK
;
1357 case DBTYPE_VARIANT
:
1361 default: return S_FALSE
;
1364 case DBTYPE_FILETIME
:
1365 if(dst_class
== DBTYPE_I8
) return S_OK
;
1374 case DBTYPE_VARIANT
:
1376 case DBTYPE_FILETIME
:
1378 default: return S_FALSE
;
1385 static HRESULT WINAPI
convert_GetConversionSize(IDataConvert
* iface
,
1386 DBTYPE src_type
, DBTYPE dst_type
,
1387 DBLENGTH
*src_len
, DBLENGTH
*dst_len
,
1390 convert
*This
= impl_from_IDataConvert(iface
);
1393 TRACE("(%p)->(%d, %d, %p, %p, %p)\n", This
, src_type
, dst_type
, src_len
, dst_len
, src
);
1395 hr
= IDataConvert_CanConvert(iface
, src_type
, dst_type
);
1397 return DB_E_UNSUPPORTEDCONVERSION
;
1400 return E_INVALIDARG
;
1402 /* for some types we don't need to look into source data */
1403 if ((*dst_len
= get_length(dst_type
)))
1408 if(src_type
== DBTYPE_VARIANT
&& V_VT((VARIANT
*)src
) == VT_NULL
)
1416 case DBTYPE_VARIANT
:
1421 if ((hr
= VariantChangeType(&v
, (VARIANT
*)src
, 0, VT_BSTR
)) == S_OK
)
1423 *dst_len
= WideCharToMultiByte(CP_ACP
, 0, V_BSTR(&v
), -1, NULL
, 0, NULL
, NULL
);
1431 case DBTYPE_DECIMAL
:
1442 case DBTYPE_DBTIMESTAMP
:
1446 FIXME("unimplemented for %04x -> DBTYPE_STR\n", src_type
);
1453 case DBTYPE_VARIANT
:
1458 if ((hr
= VariantChangeType(&v
, (VARIANT
*)src
, 0, VT_BSTR
)) == S_OK
)
1460 *dst_len
= (SysStringLen(V_BSTR(&v
))+1) * sizeof(WCHAR
);
1467 *dst_len
= (*src_len
+ 1) * sizeof(WCHAR
);
1469 *dst_len
= (strlen(src
) + 1) * sizeof(WCHAR
);
1473 *dst_len
= (*src_len
) + sizeof(WCHAR
);
1475 *dst_len
= (lstrlenW(src
) + 1) * sizeof(WCHAR
);
1478 case DBTYPE_DECIMAL
:
1489 case DBTYPE_DBTIMESTAMP
:
1493 FIXME("unimplemented for %04x -> DBTYPE_WSTR\n", src_type
);
1500 case DBTYPE_VARIANT
:
1501 if(V_VT((VARIANT
*)src
) == VT_BSTR
)
1502 *dst_len
= (SysStringLen(V_BSTR((VARIANT
*)src
))) / sizeof(WCHAR
);
1505 switch(V_VT((VARIANT
*)src
))
1507 case VT_UI1
| VT_ARRAY
:
1511 hr
= SafeArrayGetUBound(V_ARRAY((VARIANT
*)src
), 1, &l
);
1519 WARN("DBTYPE_VARIANT(%d)->DBTYPE_BYTES unimplemented\n", V_VT((VARIANT
*)src
));
1524 FIXME("unimplemented for %04x -> DBTYPE_BYTES\n", src_type
);
1529 FIXME("unimplemented for conversion %d->%d\n", src_type
, dst_type
);
1536 static const struct IDataConvertVtbl convert_vtbl
=
1538 convert_QueryInterface
,
1541 convert_DataConvert
,
1543 convert_GetConversionSize
1546 static HRESULT WINAPI
dcinfo_QueryInterface(IDCInfo
* iface
, REFIID riid
, void **obj
)
1548 convert
*This
= impl_from_IDCInfo(iface
);
1550 return IDataConvert_QueryInterface(&This
->IDataConvert_iface
, riid
, obj
);
1553 static ULONG WINAPI
dcinfo_AddRef(IDCInfo
* iface
)
1555 convert
*This
= impl_from_IDCInfo(iface
);
1557 return IDataConvert_AddRef(&This
->IDataConvert_iface
);
1560 static ULONG WINAPI
dcinfo_Release(IDCInfo
* iface
)
1562 convert
*This
= impl_from_IDCInfo(iface
);
1564 return IDataConvert_Release(&This
->IDataConvert_iface
);
1567 static HRESULT WINAPI
dcinfo_GetInfo(IDCInfo
*iface
, ULONG num
, DCINFOTYPE types
[], DCINFO
**info_ptr
)
1569 convert
*This
= impl_from_IDCInfo(iface
);
1573 TRACE("(%p)->(%d, %p, %p)\n", This
, num
, types
, info_ptr
);
1575 *info_ptr
= infos
= CoTaskMemAlloc(num
* sizeof(*infos
));
1576 if(!infos
) return E_OUTOFMEMORY
;
1578 for(i
= 0; i
< num
; i
++)
1580 infos
[i
].eInfoType
= types
[i
];
1581 VariantInit(&infos
[i
].vData
);
1585 case DCINFOTYPE_VERSION
:
1586 V_VT(&infos
[i
].vData
) = VT_UI4
;
1587 V_UI4(&infos
[i
].vData
) = This
->version
;
1595 static HRESULT WINAPI
dcinfo_SetInfo(IDCInfo
* iface
, ULONG num
, DCINFO info
[])
1597 convert
*This
= impl_from_IDCInfo(iface
);
1601 TRACE("(%p)->(%d, %p)\n", This
, num
, info
);
1603 for(i
= 0; i
< num
; i
++)
1605 switch(info
[i
].eInfoType
)
1607 case DCINFOTYPE_VERSION
:
1608 if(V_VT(&info
[i
].vData
) != VT_UI4
)
1610 FIXME("VERSION with vt %x\n", V_VT(&info
[i
].vData
));
1611 hr
= DB_S_ERRORSOCCURRED
;
1614 This
->version
= V_UI4(&info
[i
].vData
);
1618 FIXME("Unhandled info type %d (vt %x)\n", info
[i
].eInfoType
, V_VT(&info
[i
].vData
));
1624 static const struct IDCInfoVtbl dcinfo_vtbl
=
1626 dcinfo_QueryInterface
,
1633 HRESULT
create_oledb_convert(IUnknown
*outer
, void **obj
)
1637 TRACE("(%p, %p)\n", outer
, obj
);
1641 if(outer
) return CLASS_E_NOAGGREGATION
;
1643 This
= heap_alloc(sizeof(*This
));
1644 if(!This
) return E_OUTOFMEMORY
;
1646 This
->IDataConvert_iface
.lpVtbl
= &convert_vtbl
;
1647 This
->IDCInfo_iface
.lpVtbl
= &dcinfo_vtbl
;
1649 This
->version
= 0x110;
1651 *obj
= &This
->IDataConvert_iface
;