4 * Copyright 1999, 2000 Marcus Meissner
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
32 #include "wine/obj_olefont.h"
36 #include "wine/debug.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(ole);
40 /******************************************************************************
41 * SysStringLen [OLEAUT32.7]
43 * The Windows documentation states that the length returned by this function
44 * is not necessarely the same as the length returned by the _lstrlenW method.
45 * It is the same number that was passed in as the "len" parameter if the
46 * string was allocated with a SysAllocStringLen method call.
48 int WINAPI SysStringLen(BSTR str)
54 * The length of the string (in bytes) is contained in a DWORD placed
55 * just before the BSTR pointer
57 bufferPointer = (DWORD*)str;
61 return (int)(*bufferPointer/sizeof(WCHAR));
64 /******************************************************************************
65 * SysStringByteLen [OLEAUT32.149]
67 * The Windows documentation states that the length returned by this function
68 * is not necessarely the same as the length returned by the _lstrlenW method.
69 * It is the same number that was passed in as the "len" parameter if the
70 * string was allocated with a SysAllocStringLen method call.
72 int WINAPI SysStringByteLen(BSTR str)
78 * The length of the string (in bytes) is contained in a DWORD placed
79 * just before the BSTR pointer
81 bufferPointer = (DWORD*)str;
85 return (int)(*bufferPointer);
88 /******************************************************************************
89 * SysAllocString [OLEAUT32.2]
91 * MSDN (October 2001) states that this returns a NULL value if the argument
92 * is a zero-length string. This does not appear to be true; certainly it
93 * returns a value under Win98 (Oleaut32.dll Ver 2.40.4515.0)
95 BSTR WINAPI SysAllocString(LPCOLESTR in)
99 /* Delegate this to the SysAllocStringLen32 method. */
100 return SysAllocStringLen(in, lstrlenW(in));
103 /******************************************************************************
104 * SysFreeString [OLEAUT32.6]
106 void WINAPI SysFreeString(BSTR in)
108 DWORD* bufferPointer;
110 /* NULL is a valid parameter */
114 * We have to be careful when we free a BSTR pointer, it points to
115 * the beginning of the string but it skips the byte count contained
118 bufferPointer = (DWORD*)in;
123 * Free the memory from its "real" origin.
125 HeapFree(GetProcessHeap(), 0, bufferPointer);
128 /******************************************************************************
129 * SysAllocStringLen [OLEAUT32.4]
131 * In "Inside OLE, second edition" by Kraig Brockshmidt. In the Automation
132 * section, he describes the DWORD value placed *before* the BSTR data type.
133 * he describes it as a "DWORD count of characters". By experimenting with
134 * a windows application, this count seems to be a DWORD count of bytes in
135 * the string. Meaning that the count is double the number of wide
136 * characters in the string.
138 BSTR WINAPI SysAllocStringLen(const OLECHAR *in, unsigned int len)
145 * Find the length of the buffer passed-in in bytes.
147 bufferSize = len * sizeof (WCHAR);
150 * Allocate a new buffer to hold the string.
151 * dont't forget to keep an empty spot at the beginning of the
152 * buffer for the character count and an extra character at the
155 newBuffer = (DWORD*)HeapAlloc(GetProcessHeap(),
157 bufferSize + sizeof(WCHAR) + sizeof(DWORD));
160 * If the memory allocation failed, return a null pointer.
166 * Copy the length of the string in the placeholder.
168 *newBuffer = bufferSize;
171 * Skip the byte count.
176 * Copy the information in the buffer.
177 * Since it is valid to pass a NULL pointer here, we'll initialize the
178 * buffer to nul if it is the case.
181 memcpy(newBuffer, in, bufferSize);
183 memset(newBuffer, 0, bufferSize);
186 * Make sure that there is a nul character at the end of the
189 stringBuffer = (WCHAR*)newBuffer;
190 stringBuffer[len] = L'\0';
192 return (LPWSTR)stringBuffer;
195 /******************************************************************************
196 * SysReAllocStringLen [OLEAUT32.5]
198 int WINAPI SysReAllocStringLen(BSTR* old, const OLECHAR* in, unsigned int len)
207 * Make sure we free the old string.
213 * Allocate the new string
215 *old = SysAllocStringLen(in, len);
220 /******************************************************************************
221 * SysAllocStringByteLen [OLEAUT32.150]
224 BSTR WINAPI SysAllocStringByteLen(LPCSTR in, UINT len)
230 * Allocate a new buffer to hold the string.
231 * dont't forget to keep an empty spot at the beginning of the
232 * buffer for the character count and an extra character at the
235 newBuffer = (DWORD*)HeapAlloc(GetProcessHeap(),
237 len + sizeof(WCHAR) + sizeof(DWORD));
240 * If the memory allocation failed, return a null pointer.
246 * Copy the length of the string in the placeholder.
251 * Skip the byte count.
256 * Copy the information in the buffer.
257 * Since it is valid to pass a NULL pointer here, we'll initialize the
258 * buffer to nul if it is the case.
261 memcpy(newBuffer, in, len);
264 * Make sure that there is a nul character at the end of the
267 stringBuffer = (char *)newBuffer;
268 stringBuffer[len] = 0;
269 stringBuffer[len+1] = 0;
271 return (LPWSTR)stringBuffer;
274 /******************************************************************************
275 * SysReAllocString [OLEAUT32.3]
277 INT WINAPI SysReAllocString(LPBSTR old,LPCOLESTR in)
286 * Make sure we free the old string.
292 * Allocate the new string
294 *old = SysAllocString(in);
299 static WCHAR _delimiter[2] = {'!',0}; /* default delimiter apparently */
300 static WCHAR *pdelimiter = &_delimiter[0];
302 /***********************************************************************
303 * RegisterActiveObject (OLEAUT32.33)
305 HRESULT WINAPI RegisterActiveObject(
306 LPUNKNOWN punk,REFCLSID rcid,DWORD dwFlags,LPDWORD pdwRegister
310 LPRUNNINGOBJECTTABLE runobtable;
313 StringFromGUID2(rcid,guidbuf,39);
314 ret = CreateItemMoniker(pdelimiter,guidbuf,&moniker);
317 ret = GetRunningObjectTable(0,&runobtable);
319 IMoniker_Release(moniker);
322 ret = IRunningObjectTable_Register(runobtable,dwFlags,punk,moniker,pdwRegister);
323 IRunningObjectTable_Release(runobtable);
324 IMoniker_Release(moniker);
328 /***********************************************************************
329 * RevokeActiveObject (OLEAUT32.34)
331 HRESULT WINAPI RevokeActiveObject(DWORD xregister,LPVOID reserved)
333 LPRUNNINGOBJECTTABLE runobtable;
336 ret = GetRunningObjectTable(0,&runobtable);
337 if (FAILED(ret)) return ret;
338 ret = IRunningObjectTable_Revoke(runobtable,xregister);
339 if (SUCCEEDED(ret)) ret = S_OK;
340 IRunningObjectTable_Release(runobtable);
344 /***********************************************************************
345 * GetActiveObject (OLEAUT32.35)
347 HRESULT WINAPI GetActiveObject(REFCLSID rcid,LPVOID preserved,LPUNKNOWN *ppunk)
351 LPRUNNINGOBJECTTABLE runobtable;
354 StringFromGUID2(rcid,guidbuf,39);
355 ret = CreateItemMoniker(pdelimiter,guidbuf,&moniker);
358 ret = GetRunningObjectTable(0,&runobtable);
360 IMoniker_Release(moniker);
363 ret = IRunningObjectTable_GetObject(runobtable,moniker,ppunk);
364 IRunningObjectTable_Release(runobtable);
365 IMoniker_Release(moniker);
370 /***********************************************************************
371 * OaBuildVersion [OLEAUT32.170]
373 * known OLEAUT32.DLL versions:
374 * OLE 2.1 NT 1993-95 10 3023
376 * Win32s 1.1e 20 4049
377 * OLE 2.20 W95/NT 1993-96 20 4112
378 * OLE 2.20 W95/NT 1993-96 20 4118
379 * OLE 2.20 W95/NT 1993-96 20 4122
380 * OLE 2.30 W95/NT 1993-98 30 4265
381 * OLE 2.40 NT?? 1993-98 40 4267
382 * OLE 2.40 W98 SE orig. file 1993-98 40 4275
383 * OLE 2.40 W2K orig. file 1993-XX 40 4514
385 * I just decided to use version 2.20 for Win3.1, 2.30 for Win95 & NT 3.51,
386 * and 2.40 for all newer OSs. The build number is maximum, i.e. 0xffff.
388 UINT WINAPI OaBuildVersion()
390 switch(GetVersion() & 0x8000ffff) /* mask off build number */
392 case 0x80000a03: /* WIN31 */
393 return MAKELONG(0xffff, 20);
394 case 0x00003303: /* NT351 */
395 return MAKELONG(0xffff, 30);
396 case 0x80000004: /* WIN95; I'd like to use the "standard" w95 minor
397 version here (30), but as we still use w95
398 as default winver (which is good IMHO), I better
399 play safe and use the latest value for w95 for now.
400 Change this as soon as default winver gets changed
401 to something more recent */
402 case 0x80000a04: /* WIN98 */
403 case 0x00000004: /* NT40 */
404 case 0x00000005: /* W2K */
405 return MAKELONG(0xffff, 40);
407 ERR("Version value not known yet. Please investigate it !\n");
412 /******************************************************************************
413 * OleTranslateColor [OLEAUT32.421]
415 * Converts an OLE_COLOR to a COLORREF.
416 * See the documentation for conversion rules.
417 * pColorRef can be NULL. In that case the user only wants to test the
420 HRESULT WINAPI OleTranslateColor(
426 BYTE b = HIBYTE(HIWORD(clr));
428 TRACE("(%08lx, %p, %p):stub\n", clr, hpal, pColorRef);
431 * In case pColorRef is NULL, provide our own to simplify the code.
433 if (pColorRef == NULL)
434 pColorRef = &colorref;
441 *pColorRef = PALETTERGB(GetRValue(clr),
456 * Validate the palette index.
458 if (GetPaletteEntries(hpal, LOWORD(clr), 1, &pe) == 0)
473 int index = LOBYTE(LOWORD(clr));
476 * Validate GetSysColor index.
478 if ((index < COLOR_SCROLLBAR) || (index > COLOR_GRADIENTINACTIVECAPTION))
481 *pColorRef = GetSysColor(index);
493 /***********************************************************************
494 * DllRegisterServer (OLEAUT32.320)
496 HRESULT WINAPI OLEAUT32_DllRegisterServer() {
501 /***********************************************************************
502 * DllUnregisterServer (OLEAUT32.321)
504 HRESULT WINAPI OLEAUT32_DllUnregisterServer() {
509 extern void _get_STDFONT_CF(LPVOID);
511 /***********************************************************************
512 * DllGetClassObject (OLEAUT32.1)
514 HRESULT WINAPI OLEAUT32_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
517 if (IsEqualGUID(rclsid,&CLSID_StdFont)) {
518 if (IsEqualGUID(iid,&IID_IClassFactory)) {
519 _get_STDFONT_CF(ppv);
520 IClassFactory_AddRef((IClassFactory*)*ppv);
524 if (IsEqualGUID(rclsid,&CLSID_PSOAInterface)) {
525 if (S_OK==TypeLibFac_DllGetClassObject(rclsid,iid,ppv))
529 FIXME("\n\tCLSID:\t%s,\n\tIID:\t%s\n",debugstr_guid(rclsid),debugstr_guid(iid));
530 return CLASS_E_CLASSNOTAVAILABLE;
533 /***********************************************************************
534 * DllCanUnloadNow (OLEAUT32.410)
536 HRESULT WINAPI OLEAUT32_DllCanUnloadNow() {
537 FIXME("(), stub!\n");