source: trunk/src/shell32/regstream.cpp@ 3837

Last change on this file since 3837 was 3243, checked in by cbratschi, 26 years ago

merged with Corel WINE 20000324
File size: 9.6 KB
Line 
1/* $Id: regstream.cpp,v 1.2 2000-03-26 16:34:43 cbratschi Exp $ */
2
3/*
4 * Win32 SHELL32 for OS/2
5 *
6 * Copyright 1997 Marcus Meissner
7 * Copyright 1999 Patrick Haller (haller@zebra.fh-weingarten.de)
8 * Project Odin Software License can be found in LICENSE.TXT
9 *
10 * Corel WINE 20000324 level
11 */
12
13/*
14 * SHRegOpenStream
15 */
16
17/*****************************************************************************
18 * Includes *
19 *****************************************************************************/
20
21#include <string.h>
22#include <odin.h>
23#include <odinwrap.h>
24#include <os2sel.h>
25
26#define ICOM_CINTERFACE 1
27#define CINTERFACE 1
28
29#include "wine/obj_storage.h"
30
31#include "debugtools.h"
32#include "heap.h"
33#include "winerror.h"
34#include "winreg.h"
35
36#include "shell32_main.h"
37
38#include <heapstring.h>
39#include <misc.h>
40
41
42ODINDEBUGCHANNEL(SHELL32-REGSTREAM)
43
44
45/*****************************************************************************
46 * Implementation *
47 *****************************************************************************/
48
49typedef struct
50{ ICOM_VTABLE(IStream)* lpvtbl;
51 DWORD ref;
52 HKEY hKey;
53 LPSTR pszSubKey;
54 LPSTR pszValue;
55 LPBYTE pbBuffer;
56 DWORD dwLength;
57 DWORD dwPos;
58} ISHRegStream;
59
60//static struct ICOM_VTABLE(IStream) rstvt;
61
62
63/**************************************************************************
64* IStream_fnQueryInterface
65*/
66static HRESULT WINAPI IStream_fnQueryInterface(IStream *iface, REFIID riid, LPVOID *ppvObj)
67{
68 ICOM_THIS(ISHRegStream, iface);
69
70 char xriid[50];
71 WINE_StringFromCLSID((LPCLSID)riid,xriid);
72
73 dprintf(("SHELL32:regstream IStream_fnQueryInterface (%p)->(\n\tIID:\t%s,%p)\n",
74 This,
75 xriid,
76 ppvObj));
77
78 *ppvObj = NULL;
79
80 if(IsEqualIID(riid, &IID_IUnknown)) /*IUnknown*/
81 { *ppvObj = This;
82 }
83 else if(IsEqualIID(riid, &IID_IStream)) /*IStream*/
84 { *ppvObj = This;
85 }
86
87 if(*ppvObj)
88 {
89 IStream_AddRef((IStream*)*ppvObj);
90 dprintf(("SHELL32:regstream IStream_fnQueryInterface -- Interface: (%p)->(%p)\n",
91 ppvObj,
92 *ppvObj));
93 return S_OK;
94 }
95 dprintf(("SHELL32:regstream IStream_fnQueryInterface-- Interface: E_NOINTERFACE\n"));
96 return E_NOINTERFACE;
97}
98
99/**************************************************************************
100* IStream_fnAddRef
101*/
102static ULONG WINAPI IStream_fnAddRef(IStream *iface)
103{
104 ICOM_THIS(ISHRegStream, iface);
105
106 dprintf(("SHELL32:regstream IStream_fnAddRef (%p)->(count=%lu)\n",
107 This,
108 This->ref));
109
110 shell32_ObjCount++;
111 return ++(This->ref);
112}
113
114/**************************************************************************
115* IStream_fnRelease
116*/
117static ULONG WINAPI IStream_fnRelease(IStream *iface)
118{
119 ICOM_THIS(ISHRegStream, iface);
120
121 dprintf(("SHELL32:regstream IStream_fnRelease(%p)->()\n",
122 This));
123
124 shell32_ObjCount--;
125
126 if (!--(This->ref))
127 { dprintf(("SHELL32:regstream IStream_fnRelease destroying SHReg IStream (%p)\n",
128 This));
129
130 if (This->pszSubKey)
131 HeapFree(GetProcessHeap(),0,This->pszSubKey);
132
133 if (This->pszValue)
134 HeapFree(GetProcessHeap(),0,This->pszValue);
135
136 if (This->pbBuffer)
137 HeapFree(GetProcessHeap(),0,This->pbBuffer);
138
139 if (This->hKey)
140 RegCloseKey(This->hKey);
141
142 HeapFree(GetProcessHeap(),0,This);
143 return 0;
144 }
145 return This->ref;
146}
147
148HRESULT WINAPI IStream_fnRead (IStream * iface, void* pv, ULONG cb, ULONG* pcbRead)
149{
150 ICOM_THIS(ISHRegStream, iface);
151
152 DWORD dwBytesToRead, dwBytesLeft;
153
154 dprintf(("SHELL32:regstream IStream_fnRead(%p)->(%p,0x%08lx,%p)\n",
155 This,
156 pv,
157 cb,
158 pcbRead));
159
160 if ( !pv )
161 return STG_E_INVALIDPOINTER;
162
163 dwBytesLeft = This->dwLength - This->dwPos;
164
165 if ( 0 >= dwBytesLeft ) /* end of buffer */
166 return S_FALSE;
167
168 dwBytesToRead = ( cb > dwBytesLeft) ? dwBytesLeft : cb;
169
170 memmove ( pv, (This->pbBuffer) + (This->dwPos), dwBytesToRead);
171
172 This->dwPos += dwBytesToRead; /* adjust pointer */
173
174 if (pcbRead)
175 *pcbRead = dwBytesToRead;
176
177 return S_OK;
178}
179HRESULT WINAPI IStream_fnWrite (IStream * iface, const void* pv, ULONG cb, ULONG* pcbWritten)
180{
181 ICOM_THIS(ISHRegStream, iface);
182
183 dprintf(("SHELL32:regstream IStream_fnWrite(%p)\n",
184 This));
185
186 return E_NOTIMPL;
187}
188HRESULT WINAPI IStream_fnSeek (IStream * iface, LARGE_INTEGER dlibMove, DWORD dwOrigin, ULARGE_INTEGER* plibNewPosition)
189{
190 ICOM_THIS(ISHRegStream, iface);
191
192 dprintf(("SHELL32:regstream IStream_fnSeek(%p)\n",
193 This));
194
195 return E_NOTIMPL;
196}
197HRESULT WINAPI IStream_fnSetSize (IStream * iface, ULARGE_INTEGER libNewSize)
198{
199 ICOM_THIS(ISHRegStream, iface);
200
201 dprintf(("SHELL32:regstream IStream_fnSetSize(%p)\n",
202 This));
203
204 return E_NOTIMPL;
205}
206HRESULT WINAPI IStream_fnCopyTo (IStream * iface, IStream* pstm, ULARGE_INTEGER cb, ULARGE_INTEGER* pcbRead, ULARGE_INTEGER* pcbWritten)
207{
208 ICOM_THIS(ISHRegStream, iface);
209
210 dprintf(("SHELL32:regstream IStream_fnCopyTo(%p)\n",
211 This));
212
213 return E_NOTIMPL;
214}
215HRESULT WINAPI IStream_fnCommit (IStream * iface, DWORD grfCommitFlags)
216{
217 ICOM_THIS(ISHRegStream, iface);
218
219 dprintf(("SHELL32:regstream IStream_fnCommit(%p)\n",
220 This));
221
222 return E_NOTIMPL;
223}
224HRESULT WINAPI IStream_fnRevert (IStream * iface)
225{
226 ICOM_THIS(ISHRegStream, iface);
227
228 dprintf(("SHELL32:regstream IStream_fnRevert(%p)\n",
229 This));
230
231 return E_NOTIMPL;
232}
233HRESULT WINAPI IStream_fnLockRegion (IStream * iface, ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType)
234{
235 ICOM_THIS(ISHRegStream, iface);
236
237 dprintf(("SHELL32:regstream IStream_fnLockRegion(%p)\n",
238 This));
239
240 return E_NOTIMPL;
241}
242HRESULT WINAPI IStream_fnUnlockRegion (IStream * iface, ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType)
243{
244 ICOM_THIS(ISHRegStream, iface);
245
246 dprintf(("SHELL32:regstream IStream_fnUnlockRegion(%p)\n",
247 This));
248
249 return E_NOTIMPL;
250}
251HRESULT WINAPI IStream_fnStat (IStream * iface, STATSTG* pstatstg, DWORD grfStatFlag)
252{
253 ICOM_THIS(ISHRegStream, iface);
254
255 dprintf(("SHELL32:regstream IStream_fnStat(%p)\n",
256 This));
257
258 return E_NOTIMPL;
259}
260HRESULT WINAPI IStream_fnClone (IStream * iface, IStream** ppstm)
261{
262 ICOM_THIS(ISHRegStream, iface);
263
264 dprintf(("SHELL32:regstream IStream_fnClone(%p)\n",
265 This));
266
267 return E_NOTIMPL;
268}
269
270static struct ICOM_VTABLE(IStream) rstvt =
271{
272 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
273 IStream_fnQueryInterface,
274 IStream_fnAddRef,
275 IStream_fnRelease,
276 IStream_fnRead,
277 IStream_fnWrite,
278 IStream_fnSeek,
279 IStream_fnSetSize,
280 IStream_fnCopyTo,
281 IStream_fnCommit,
282 IStream_fnRevert,
283 IStream_fnLockRegion,
284 IStream_fnUnlockRegion,
285 IStream_fnStat,
286 IStream_fnClone
287
288};
289
290/**************************************************************************
291* IStream_Constructor()
292*/
293IStream *IStream_Constructor(HKEY hKey, LPCSTR pszSubKey, LPCSTR pszValue, DWORD grfMode)
294{ ISHRegStream* rstr;
295 DWORD dwType;
296
297 rstr = (ISHRegStream*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(ISHRegStream));
298 rstr->lpvtbl=&rstvt;
299 rstr->ref = 1;
300
301 dprintf(("SHELL32:regstream IStream_Constructor(%08xh,%ls,%ls,%08xh)\n",
302 hKey,
303 pszSubKey,
304 pszValue,
305 grfMode));
306
307 if ( ERROR_SUCCESS == RegOpenKeyExA (hKey, pszSubKey, 0, KEY_READ, &(rstr->hKey)))
308 { if ( ERROR_SUCCESS == RegQueryValueExA(rstr->hKey, (LPSTR)pszValue,0,0,0,&(rstr->dwLength)))
309 {
310 /* read the binary data into the buffer */
311 rstr->pbBuffer = (BYTE*)HeapAlloc(GetProcessHeap(),0,rstr->dwLength);
312 if (rstr->pbBuffer)
313 { if ( ERROR_SUCCESS == RegQueryValueExA(rstr->hKey, (LPSTR)pszValue,0,&dwType,rstr->pbBuffer,&(rstr->dwLength)))
314 { if (dwType == REG_BINARY )
315 { rstr->pszSubKey = HEAP_strdupA (GetProcessHeap(),0, pszSubKey);
316 rstr->pszValue = HEAP_strdupA (GetProcessHeap(),0, pszValue);
317 dprintf(("SHELL32:regstream IStream_Constructor(%p)->0x%08x,%s,%s,0x%08lx\n", rstr, hKey, pszSubKey, pszValue, grfMode));
318 shell32_ObjCount++;
319 return (IStream*)rstr;
320 }
321 }
322 HeapFree (GetProcessHeap(),0,rstr->pbBuffer);
323 }
324 }
325 RegCloseKey(rstr->hKey);
326
327 }
328 HeapFree (GetProcessHeap(),0,rstr);
329 return NULL;
330}
331
332
333/*************************************************************************
334 * OpenRegStream [SHELL32.85]
335 *
336 * NOTES
337 * exported by ordinal
338 */
339IStream * WINAPI OpenRegStream(HKEY hkey, LPCSTR pszSubkey, LPCSTR pszValue, DWORD grfMode)
340{
341 dprintf(("SHELL32:regstream OpenRegStream(0x%08x,%s,%s,0x%08lx)\n",
342 hkey,
343 pszSubkey,
344 pszValue,
345 grfMode));
346 return IStream_Constructor(hkey, pszSubkey, pszValue, grfMode);
347}
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