source: trunk/src/shell32/regstream.cpp@ 2996

Last change on this file since 2996 was 1214, checked in by sandervl, 26 years ago

Moved new shell32 to current dir
File size: 8.5 KB
Line 
1/* $Id: regstream.cpp,v 1.1 1999-10-09 11:13:20 sandervl 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 */
11
12/*
13 * SHRegOpenStream
14 */
15
16/*****************************************************************************
17 * Includes *
18 *****************************************************************************/
19
20#include <string.h>
21#include <odin.h>
22#include <odinwrap.h>
23#include <os2sel.h>
24
25#define ICOM_CINTERFACE 1
26#define CINTERFACE 1
27
28#include "wine/obj_storage.h"
29
30#include "debugtools.h"
31#include "heap.h"
32#include "winerror.h"
33#include "winreg.h"
34
35#include "shell32_main.h"
36
37#include <heapstring.h>
38#include <misc.h>
39
40
41ODINDEBUGCHANNEL(SHELL32-REGSTREAM)
42
43
44/*****************************************************************************
45 * Implementation *
46 *****************************************************************************/
47
48typedef struct
49{ ICOM_VTABLE(IStream)* lpvtbl;
50 DWORD ref;
51 HKEY hKey;
52 LPSTR pszSubKey;
53 LPSTR pszValue;
54 LPBYTE pbBuffer;
55 DWORD dwLength;
56 DWORD dwPos;
57} ISHRegStream;
58
59//static struct ICOM_VTABLE(IStream) rstvt;
60
61
62/**************************************************************************
63* IStream_fnQueryInterface
64*/
65static HRESULT WINAPI IStream_fnQueryInterface(IStream *iface, REFIID riid, LPVOID *ppvObj)
66{
67 ICOM_THIS(ISHRegStream, iface);
68
69 char xriid[50];
70 WINE_StringFromCLSID((LPCLSID)riid,xriid);
71
72 dprintf(("SHELL32:regstream IStream_fnQueryInterface (%p)->(\n\tIID:\t%s,%p)\n",
73 This,
74 xriid,
75 ppvObj));
76
77 *ppvObj = NULL;
78
79 if(IsEqualIID(riid, &IID_IUnknown)) /*IUnknown*/
80 { *ppvObj = This;
81 }
82 else if(IsEqualIID(riid, &IID_IStream)) /*IStream*/
83 { *ppvObj = This;
84 }
85
86 if(*ppvObj)
87 {
88 IStream_AddRef((IStream*)*ppvObj);
89 dprintf(("SHELL32:regstream IStream_fnQueryInterface -- Interface: (%p)->(%p)\n",
90 ppvObj,
91 *ppvObj));
92 return S_OK;
93 }
94 dprintf(("SHELL32:regstream IStream_fnQueryInterface-- Interface: E_NOINTERFACE\n"));
95 return E_NOINTERFACE;
96}
97
98/**************************************************************************
99* IStream_fnAddRef
100*/
101static ULONG WINAPI IStream_fnAddRef(IStream *iface)
102{
103 ICOM_THIS(ISHRegStream, iface);
104
105 dprintf(("SHELL32:regstream IStream_fnAddRef (%p)->(count=%lu)\n",
106 This,
107 This->ref));
108
109 shell32_ObjCount++;
110 return ++(This->ref);
111}
112
113/**************************************************************************
114* IStream_fnRelease
115*/
116static ULONG WINAPI IStream_fnRelease(IStream *iface)
117{
118 ICOM_THIS(ISHRegStream, iface);
119
120 dprintf(("SHELL32:regstream IStream_fnRelease(%p)->()\n",
121 This));
122
123 shell32_ObjCount--;
124
125 if (!--(This->ref))
126 { dprintf(("SHELL32:regstream IStream_fnRelease destroying SHReg IStream (%p)\n",
127 This));
128
129 if (This->pszSubKey)
130 HeapFree(GetProcessHeap(),0,This->pszSubKey);
131
132 if (This->pszValue)
133 HeapFree(GetProcessHeap(),0,This->pszValue);
134
135 if (This->pbBuffer)
136 HeapFree(GetProcessHeap(),0,This->pbBuffer);
137
138 if (This->hKey)
139 RegCloseKey(This->hKey);
140
141 HeapFree(GetProcessHeap(),0,This);
142 return 0;
143 }
144 return This->ref;
145}
146
147HRESULT WINAPI IStream_fnRead (IStream * iface, void* pv, ULONG cb, ULONG* pcbRead)
148{
149 ICOM_THIS(ISHRegStream, iface);
150
151 DWORD dwBytesToRead, dwBytesLeft;
152
153 dprintf(("SHELL32:regstream IStream_fnRead(%p)->(%p,0x%08lx,%p)\n",
154 This,
155 pv,
156 cb,
157 pcbRead));
158
159 if ( !pv )
160 return STG_E_INVALIDPOINTER;
161
162 dwBytesLeft = This->dwLength - This->dwPos;
163
164 if ( 0 >= dwBytesLeft ) /* end of buffer */
165 return S_FALSE;
166
167 dwBytesToRead = ( cb > dwBytesLeft) ? dwBytesLeft : cb;
168
169 memmove ( pv, (This->pbBuffer) + (This->dwPos), dwBytesToRead);
170
171 This->dwPos += dwBytesToRead; /* adjust pointer */
172
173 if (pcbRead)
174 *pcbRead = dwBytesToRead;
175
176 return S_OK;
177}
178HRESULT WINAPI IStream_fnWrite (IStream * iface, const void* pv, ULONG cb, ULONG* pcbWritten)
179{
180 ICOM_THIS(ISHRegStream, iface);
181
182 dprintf(("SHELL32:regstream IStream_fnWrite(%p)\n",
183 This));
184
185 return E_NOTIMPL;
186}
187HRESULT WINAPI IStream_fnSeek (IStream * iface, LARGE_INTEGER dlibMove, DWORD dwOrigin, ULARGE_INTEGER* plibNewPosition)
188{
189 ICOM_THIS(ISHRegStream, iface);
190
191 dprintf(("SHELL32:regstream IStream_fnSeek(%p)\n",
192 This));
193
194 return E_NOTIMPL;
195}
196HRESULT WINAPI IStream_fnSetSize (IStream * iface, ULARGE_INTEGER libNewSize)
197{
198 ICOM_THIS(ISHRegStream, iface);
199
200 dprintf(("SHELL32:regstream IStream_fnSetSize(%p)\n",
201 This));
202
203 return E_NOTIMPL;
204}
205HRESULT WINAPI IStream_fnCopyTo (IStream * iface, IStream* pstm, ULARGE_INTEGER cb, ULARGE_INTEGER* pcbRead, ULARGE_INTEGER* pcbWritten)
206{
207 ICOM_THIS(ISHRegStream, iface);
208
209 dprintf(("SHELL32:regstream IStream_fnCopyTo(%p)\n",
210 This));
211
212 return E_NOTIMPL;
213}
214HRESULT WINAPI IStream_fnCommit (IStream * iface, DWORD grfCommitFlags)
215{
216 ICOM_THIS(ISHRegStream, iface);
217
218 dprintf(("SHELL32:regstream IStream_fnCommit(%p)\n",
219 This));
220
221 return E_NOTIMPL;
222}
223HRESULT WINAPI IStream_fnRevert (IStream * iface)
224{
225 ICOM_THIS(ISHRegStream, iface);
226
227 dprintf(("SHELL32:regstream IStream_fnRevert(%p)\n",
228 This));
229
230 return E_NOTIMPL;
231}
232HRESULT WINAPI IStream_fnLockRegion (IStream * iface, ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType)
233{
234 ICOM_THIS(ISHRegStream, iface);
235
236 dprintf(("SHELL32:regstream IStream_fnLockRegion(%p)\n",
237 This));
238
239 return E_NOTIMPL;
240}
241HRESULT WINAPI IStream_fnUnlockRegion (IStream * iface, ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType)
242{
243 ICOM_THIS(ISHRegStream, iface);
244
245 dprintf(("SHELL32:regstream IStream_fnUnlockRegion(%p)\n",
246 This));
247
248 return E_NOTIMPL;
249}
250HRESULT WINAPI IStream_fnStat (IStream * iface, STATSTG* pstatstg, DWORD grfStatFlag)
251{
252 ICOM_THIS(ISHRegStream, iface);
253
254 dprintf(("SHELL32:regstream IStream_fnStat(%p)\n",
255 This));
256
257 return E_NOTIMPL;
258}
259HRESULT WINAPI IStream_fnClone (IStream * iface, IStream** ppstm)
260{
261 ICOM_THIS(ISHRegStream, iface);
262
263 dprintf(("SHELL32:regstream IStream_fnClone(%p)\n",
264 This));
265
266 return E_NOTIMPL;
267}
268
269static struct ICOM_VTABLE(IStream) rstvt =
270{
271 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
272 IStream_fnQueryInterface,
273 IStream_fnAddRef,
274 IStream_fnRelease,
275 IStream_fnRead,
276 IStream_fnWrite,
277 IStream_fnSeek,
278 IStream_fnSetSize,
279 IStream_fnCopyTo,
280 IStream_fnCommit,
281 IStream_fnRevert,
282 IStream_fnLockRegion,
283 IStream_fnUnlockRegion,
284 IStream_fnStat,
285 IStream_fnClone
286
287};
288
289/**************************************************************************
290* IStream_Constructor()
291*/
292IStream *IStream_Constructor(HKEY hKey, LPCSTR pszSubKey, LPCSTR pszValue, DWORD grfMode)
293{ ISHRegStream* rstr;
294 DWORD dwType;
295
296 rstr = (ISHRegStream*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(ISHRegStream));
297 rstr->lpvtbl=&rstvt;
298 rstr->ref = 1;
299
300 dprintf(("SHELL32:regstream IStream_Constructor(%08xh,%ls,%ls,%08xh)\n",
301 hKey,
302 pszSubKey,
303 pszValue,
304 grfMode));
305
306 if ( ERROR_SUCCESS == RegOpenKeyExA (hKey, pszSubKey, 0, KEY_READ, &(rstr->hKey)))
307 { if ( ERROR_SUCCESS == RegQueryValueExA(rstr->hKey, (LPSTR)pszValue,0,0,0,&(rstr->dwLength)))
308 {
309 /* read the binary data into the buffer */
310 rstr->pbBuffer = (BYTE*)HeapAlloc(GetProcessHeap(),0,rstr->dwLength);
311 if (rstr->pbBuffer)
312 { if ( ERROR_SUCCESS == RegQueryValueExA(rstr->hKey, (LPSTR)pszValue,0,&dwType,rstr->pbBuffer,&(rstr->dwLength)))
313 { if (dwType == REG_BINARY )
314 { rstr->pszSubKey = HEAP_strdupA (GetProcessHeap(),0, pszSubKey);
315 rstr->pszValue = HEAP_strdupA (GetProcessHeap(),0, pszValue);
316 dprintf(("SHELL32:regstream IStream_Constructor(%p)->0x%08x,%s,%s,0x%08lx\n", rstr, hKey, pszSubKey, pszValue, grfMode));
317 shell32_ObjCount++;
318 return (IStream*)rstr;
319 }
320 }
321 HeapFree (GetProcessHeap(),0,rstr->pbBuffer);
322 }
323 }
324 RegCloseKey(rstr->hKey);
325
326 }
327 HeapFree (GetProcessHeap(),0,rstr);
328 return NULL;
329}
330
331
332/*************************************************************************
333 * OpenRegStream [SHELL32.85]
334 *
335 * NOTES
336 * exported by ordinal
337 */
338IStream * WINAPI OpenRegStream(HKEY hkey, LPCSTR pszSubkey, LPCSTR pszValue, DWORD grfMode)
339{
340 dprintf(("SHELL32:regstream OpenRegStream(0x%08x,%s,%s,0x%08lx)\n",
341 hkey,
342 pszSubkey,
343 pszValue,
344 grfMode));
345 return IStream_Constructor(hkey, pszSubkey, pszValue, grfMode);
346}
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