source: trunk/src/ole32/clsid.cpp@ 3309

Last change on this file since 3309 was 3309, checked in by davidr, 25 years ago

C:/TMP/cvs00002.tmp

File size: 10.6 KB
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1/* $Id: clsid.cpp,v 1.12 2000-04-02 22:07:34 davidr Exp $ */
2/*
3 *
4 * Project Odin Software License can be found in LICENSE.TXT
5 *
6 */
7/*
8 * ClassID Manipulation.
9 *
10 * 1/7/99
11 *
12 * Copyright 2000 David J. Raison
13 *
14 * Some portions from Wine Implementation
15 *
16 * Copyright 1995 Martin von Loewis
17 * 1998 Justin Bradford
18 * 1999 Francis Beaudet
19 * 1999 Sylvain St-Germain
20 */
21
22#include "ole32.h"
23#include "rpcdce.h"
24
25#include "oString.h"
26
27
28// ----------------------------------------------------------------------
29// CoCreateGuid [OLE32.6]
30//
31// Creates a 128bit GUID.
32// ----------------------------------------------------------------------
33HRESULT WINAPI CoCreateGuid(
34 GUID * pguid) /* [out] points to the GUID to initialize */
35{
36 HRESULT hr;
37
38 dprintf(("OLE32: CoCreateGuid"));
39
40 hr = UuidCreate(pguid);
41
42#if defined(DEBUG)
43 oStringA tGUID(pguid);
44 dprintf((" guid = %s", (char *)tGUID));
45#endif
46 return hr;
47}
48
49// ----------------------------------------------------------------------
50// CLSIDFromProgID16()
51// ----------------------------------------------------------------------
52HRESULT WIN32API CLSIDFromProgID16(
53 LPCOLESTR16 lpszProgID, // [in] - UNICODE program id as found in registry
54 LPCLSID pclsid) // [out] - CLSID
55{
56 dprintf(("OLE32: CLSIDFromProgID16"));
57
58 LONG lDataLen = 80;
59 oStringA szKey(lpszProgID);
60 oStringA szCLSID(lDataLen, 1);
61 HKEY hKey;
62 HRESULT rc;
63
64 // Create the registry lookup string...
65 szKey += "\\CLSID";
66
67 // Try to open the key in the registry...
68 rc = RegOpenKeyA(HKEY_CLASSES_ROOT, szKey, &hKey);
69 if (rc != 0)
70 return OLE_ERROR_GENERIC;
71
72 // Now get the data from the _default_ entry on this key...
73 rc = RegQueryValueA(hKey, NULL, szCLSID, &lDataLen);
74 RegCloseKey(hKey);
75 if (rc != 0)
76 return OLE_ERROR_GENERIC;
77
78 // Now convert from a string to a UUID
79 return CLSIDFromString16(szCLSID, pclsid);
80}
81
82// ----------------------------------------------------------------------
83// CLSIDFromProgID()
84// ----------------------------------------------------------------------
85HRESULT WIN32API CLSIDFromProgID(
86 LPCOLESTR lpszProgID, // [in] - UNICODE program id as found in registry
87 LPCLSID pclsid) // [out] - CLSID
88{
89 dprintf(("OLE32: CLSIDFromProgID"));
90
91 LONG lDataLen = 80;
92 oStringW szKey(lpszProgID);
93 oStringW szCLSID(lDataLen, 1);
94 HKEY hKey;
95 HRESULT rc;
96
97 // Create the registry lookup string...
98 szKey += L"\\CLSID";
99
100 // Try to open the key in the registry...
101 rc = RegOpenKeyW(HKEY_CLASSES_ROOT, szKey, &hKey);
102 if (rc != 0)
103 return OLE_ERROR_GENERIC;
104
105 // Now get the data from the _default_ entry on this key...
106 rc = RegQueryValueW(hKey, NULL, szCLSID, &lDataLen);
107 RegCloseKey(hKey);
108 if (rc != 0)
109 return OLE_ERROR_GENERIC;
110
111 // Now convert from a string to a UUID
112 return CLSIDFromString(szCLSID, pclsid);
113}
114
115// ----------------------------------------------------------------------
116// IIDFromString
117// ----------------------------------------------------------------------
118HRESULT WIN32API IIDFromString(LPSTR lpsz, LPIID lpiid)
119{
120 dprintf(("OLE32: IIDFromString"));
121 return CLSIDFromString((LPCOLESTR)lpsz, (LPCLSID)lpiid);
122}
123
124
125// ----------------------------------------------------------------------
126// CLSIDFromStringA()
127// @@@PH: this is not a WINE API, but a replacement for CLSIDFromString16
128// which used to accept ASCII strings instead of OLE strings
129// ----------------------------------------------------------------------
130
131HRESULT WIN32API CLSIDFromStringA(
132 LPCSTR lpsz, // [in] - ASCII string CLSID
133 LPCLSID pclsid) // [out] - Binary CLSID
134{
135 return CLSIDFromString16(lpsz, pclsid);
136}
137
138
139// ----------------------------------------------------------------------
140// CLSIDFromString16()
141// ----------------------------------------------------------------------
142HRESULT WIN32API CLSIDFromString16(
143 LPCOLESTR16 lpsz, // [in] - Unicode string CLSID
144 LPCLSID pclsid) // [out] - Binary CLSID
145{
146 dprintf(("OLE32: CLSIDFromString16"));
147
148 // Convert to binary CLSID
149 char *s = (char *) lpsz;
150 char *p;
151 int i;
152 char table[256];
153
154 /* quick lookup table */
155 memset(table, 0, 256);
156
157 for (i = 0; i < 10; i++)
158 {
159 table['0' + i] = i;
160 }
161 for (i = 0; i < 6; i++)
162 {
163 table['A' + i] = i+10;
164 table['a' + i] = i+10;
165 }
166
167 /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
168
169 if (lstrlenA(lpsz) != 38)
170 return OLE_ERROR_OBJECT;
171
172 p = (char *) pclsid;
173
174 s++; /* skip leading brace */
175 for (i = 0; i < 4; i++)
176 {
177 p[3 - i] = table[*s]<<4 | table[*(s+1)];
178 s += 2;
179 }
180 p += 4;
181 s++; /* skip - */
182
183 for (i = 0; i < 2; i++)
184 {
185 p[1-i] = table[*s]<<4 | table[*(s+1)];
186 s += 2;
187 }
188 p += 2;
189 s++; /* skip - */
190
191 for (i = 0; i < 2; i++)
192 {
193 p[1-i] = table[*s]<<4 | table[*(s+1)];
194 s += 2;
195 }
196 p += 2;
197 s++; /* skip - */
198
199 /* these are just sequential bytes */
200 for (i = 0; i < 2; i++)
201 {
202 *p++ = table[*s]<<4 | table[*(s+1)];
203 s += 2;
204 }
205 s++; /* skip - */
206
207 for (i = 0; i < 6; i++)
208 {
209 *p++ = table[*s]<<4 | table[*(s+1)];
210 s += 2;
211 }
212
213 return S_OK;
214}
215
216// ----------------------------------------------------------------------
217// CLSIDFromString()
218// ----------------------------------------------------------------------
219HRESULT WIN32API CLSIDFromString(
220 LPCOLESTR lpsz, // [in] - Unicode string CLSID
221 LPCLSID pclsid) // [out] - Binary CLSID
222{
223 dprintf(("OLE32: CLSIDFromString"));
224
225 oStringA tClsId(lpsz);
226
227 return CLSIDFromString16(tClsId, pclsid);
228}
229
230// ----------------------------------------------------------------------
231// WINE_StringFromCLSID
232// ----------------------------------------------------------------------
233HRESULT WIN32API WINE_StringFromCLSID(const CLSID *rclsid, LPSTR idstr)
234{
235 dprintf(("OLE32: WINE_StringFromCLSID"));
236
237 if (rclsid == NULL)
238 {
239 dprintf((" clsid: (NULL)"));
240 *idstr = 0;
241 return E_FAIL;
242 }
243
244 // Setup new string...
245 sprintf(idstr, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
246 rclsid->Data1,
247 rclsid->Data2,
248 rclsid->Data3,
249 rclsid->Data4[0],
250 rclsid->Data4[1],
251 rclsid->Data4[2],
252 rclsid->Data4[3],
253 rclsid->Data4[4],
254 rclsid->Data4[5],
255 rclsid->Data4[6],
256 rclsid->Data4[7]);
257
258 dprintf((" clsid: %s", idstr));
259
260 return OLE_OK;
261}
262
263// ----------------------------------------------------------------------
264// StringFromCLSID
265// Memory allocated here on behalf of application should be freed using CoTaskMemFree()
266// ----------------------------------------------------------------------
267HRESULT WIN32API StringFromCLSID(REFCLSID rclsid, LPOLESTR *ppsz)
268{
269 char tmp[50];
270 LPWSTR szclsid;
271 size_t strLen;
272
273 dprintf(("OLE32: StringFromCLSID"));
274
275 // Setup new string...
276 WINE_StringFromCLSID(rclsid, tmp);
277
278 strLen = strlen(tmp);
279
280 // Grab buffer for string...
281 szclsid = (LPWSTR)CoTaskMemAlloc((strLen + 1) * sizeof(WCHAR));
282
283 AsciiToUnicode(tmp, szclsid);
284
285 *ppsz = (LPOLESTR)szclsid;
286
287 return S_OK;
288}
289
290// ----------------------------------------------------------------------
291// StringFromIID
292// Memory allocated here on behalf of application should be freed using CoTaskMemFree()
293// ----------------------------------------------------------------------
294HRESULT WIN32API StringFromIID(REFIID riid, LPOLESTR *ppsz)
295{
296 char tmp[50];
297 LPWSTR sziid;
298 size_t strLen;
299
300 dprintf(("OLE32: StringFromIID"));
301
302 // Setup new string...
303 WINE_StringFromCLSID(riid, tmp);
304
305 strLen = strlen(tmp);
306
307 // Grab buffer for string...
308 sziid = (LPWSTR)CoTaskMemAlloc((strLen + 1) * sizeof(WCHAR));
309
310 AsciiToUnicode(tmp, sziid);
311
312 *ppsz = (LPOLESTR)sziid;
313
314 return S_OK;
315}
316
317// ----------------------------------------------------------------------
318// StringFromGUID2
319// ----------------------------------------------------------------------
320int WIN32API StringFromGUID2(REFGUID rguid, LPOLESTR lpsz, int cbMax)
321{
322 char tmp[50];
323 size_t strLen;
324
325 dprintf(("OLE32: StringFromGUID2"));
326
327 // Setup new string...
328 WINE_StringFromCLSID(rguid, tmp);
329
330 strLen = strlen(tmp);
331
332 if ( (strLen / 2) + 1 > cbMax )
333 return 0;
334
335 AsciiToUnicode(tmp, lpsz);
336
337 return (strLen / 2) + 1; // including 0 terminator
338}
339
340// ----------------------------------------------------------------------
341// CONCRETE_IsEqualGUID
342// ----------------------------------------------------------------------
343int WIN32API CONCRETE_IsEqualGUID(REFGUID rguid1, REFGUID rguid2)
344{
345 return IsEqualGUID(rguid1, rguid2);
346}
347
348// ----------------------------------------------------------------------
349// ReadClassStm
350// ----------------------------------------------------------------------
351HRESULT WIN32API ReadClassStm(IStream *pStm, CLSID *rclsid)
352{
353 ULONG nbByte;
354 HRESULT res;
355
356 dprintf(("OLE32: ReadClassStm"));
357
358 if (rclsid == NULL)
359 return E_INVALIDARG;
360
361 res = IStream_Read(pStm,(void*)rclsid,sizeof(CLSID),&nbByte);
362
363 if (FAILED(res))
364 return res;
365
366 if (nbByte != sizeof(CLSID))
367 return S_FALSE;
368
369 return S_OK;
370}
371
372// ----------------------------------------------------------------------
373// WriteClassStm
374// ----------------------------------------------------------------------
375HRESULT WIN32API WriteClassStm(IStream *pStm, REFCLSID rclsid)
376{
377 dprintf(("OLE32: WriteClassStm"));
378
379 if (rclsid == NULL)
380 return E_INVALIDARG;
381
382 return IStream_Write(pStm, rclsid, sizeof(CLSID), NULL);
383}
384
385// ----------------------------------------------------------------------
386// ProgIDFromCLSID
387// ----------------------------------------------------------------------
388HRESULT WIN32API ProgIDFromCLSID(REFCLSID clsid, LPOLESTR *lplpszProgID)
389{
390 oStringA tClsId(clsid);
391 oStringA szKey("CLSID\\");
392 LONG lDataLen = 255;
393 oStringA szProgID(lDataLen, 1);
394 HKEY hKey;
395 HRESULT rc;
396 LPOLESTR tmp;
397 LPMALLOC pMllc;
398
399 dprintf(("OLE32: ProgIDFromCLSID"));
400 dprintf((" clsid = %s", (char *)tClsId));
401
402 szKey += tClsId + "\\ProgID";
403
404 // Open key...
405 if (RegOpenKeyA(HKEY_CLASSES_ROOT, szKey, &hKey))
406 return REGDB_E_CLASSNOTREG;
407
408 // Get default string from the key...
409 rc = RegQueryValueA(hKey, NULL, szProgID, &lDataLen);
410 RegCloseKey(hKey);
411 if (rc != 0)
412 return REGDB_E_CLASSNOTREG;
413
414 if (CoGetMalloc(0, &pMllc)) // Singleton instance, no need to release
415 return E_OUTOFMEMORY;
416
417 tmp = (LPOLESTR)IMalloc_Alloc(pMllc, (strlen(szProgID) + 1) * 2);
418 if (tmp == NULL)
419 return E_OUTOFMEMORY;
420
421 AsciiToUnicode(szProgID, tmp);
422 *lplpszProgID = tmp;
423
424 return S_OK;
425}
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