2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 2007 James Hawkins
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
37 #define NUM_STREAMS_COLS 2
38 #define MAX_STREAM_NAME_LEN 62
40 typedef struct tabSTREAM
47 typedef struct tagMSISTREAMSVIEW
57 static BOOL add_stream_to_table(MSISTREAMSVIEW *sv, STREAM *stream, int index)
59 if (index >= sv->max_streams)
62 sv->streams = msi_realloc(sv->streams, sv->max_streams * sizeof(STREAM *));
67 sv->streams[index] = stream;
71 static STREAM *create_stream(MSISTREAMSVIEW *sv, LPWSTR name, BOOL encoded, IStream *stm)
74 WCHAR decoded[MAX_STREAM_NAME_LEN];
77 stream = msi_alloc(sizeof(STREAM));
83 decode_streamname(name, decoded);
85 TRACE("stream -> %s %s\n", debugstr_w(name), debugstr_w(decoded));
88 stream->name = strdupW(ptr);
95 stream->str_index = msi_addstringW(sv->db->strings, 0, stream->name, -1, 1, StringNonPersistent);
100 static UINT STREAMS_fetch_int(struct tagMSIVIEW *view, UINT row, UINT col, UINT *val)
102 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
104 TRACE("(%p, %d, %d, %p)\n", view, row, col, val);
107 return ERROR_INVALID_PARAMETER;
109 if (row >= sv->num_rows)
110 return ERROR_NO_MORE_ITEMS;
112 *val = sv->streams[row]->str_index;
114 return ERROR_SUCCESS;
117 static UINT STREAMS_fetch_stream(struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
119 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
121 TRACE("(%p, %d, %d, %p)\n", view, row, col, stm);
123 if (row >= sv->num_rows)
124 return ERROR_FUNCTION_FAILED;
126 IStream_AddRef(sv->streams[row]->stream);
127 *stm = sv->streams[row]->stream;
129 return ERROR_SUCCESS;
132 static UINT STREAMS_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
134 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
136 FIXME("%p %d %p\n", sv, row, rec);
138 return ERROR_CALL_NOT_IMPLEMENTED;
141 static UINT STREAMS_set_row(struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask)
143 FIXME("(%p, %d, %p, %d): stub!\n", view, row, rec, mask);
144 return ERROR_SUCCESS;
147 static UINT STREAMS_insert_row(struct tagMSIVIEW *view, MSIRECORD *rec, BOOL temporary)
149 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
157 UINT r = ERROR_FUNCTION_FAILED;
159 TRACE("(%p, %p, %d)\n", view, rec, temporary);
161 r = MSI_RecordGetIStream(rec, 2, &stm);
162 if (r != ERROR_SUCCESS)
165 hr = IStream_Stat(stm, &stat, STATFLAG_NONAME);
168 WARN("failed to stat stream: %08x\n", hr);
172 if (stat.cbSize.QuadPart >> 32)
175 data = msi_alloc(stat.cbSize.QuadPart);
179 hr = IStream_Read(stm, data, stat.cbSize.QuadPart, &count);
180 if (FAILED(hr) || count != stat.cbSize.QuadPart)
182 WARN("failed to read stream: %08x\n", hr);
186 name = strdupW(MSI_RecordGetString(rec, 1));
190 r = write_stream_data(sv->db->storage, name, data, count, FALSE);
191 if (r != ERROR_SUCCESS)
193 WARN("failed to write stream data: %d\n", r);
197 stream = create_stream(sv, name, FALSE, NULL);
201 IStorage_OpenStream(sv->db->storage, name, 0,
202 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stream->stream);
204 if (!add_stream_to_table(sv, stream, sv->num_rows++))
211 IStream_Release(stm);
216 static UINT STREAMS_delete_row(struct tagMSIVIEW *view, UINT row)
218 FIXME("(%p %d): stub!\n", view, row);
219 return ERROR_SUCCESS;
222 static UINT STREAMS_execute(struct tagMSIVIEW *view, MSIRECORD *record)
224 TRACE("(%p, %p)\n", view, record);
225 return ERROR_SUCCESS;
228 static UINT STREAMS_close(struct tagMSIVIEW *view)
230 TRACE("(%p)\n", view);
231 return ERROR_SUCCESS;
234 static UINT STREAMS_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
236 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
238 TRACE("(%p, %p, %p)\n", view, rows, cols);
240 if (cols) *cols = NUM_STREAMS_COLS;
241 if (rows) *rows = sv->num_rows;
243 return ERROR_SUCCESS;
246 static UINT STREAMS_get_column_info(struct tagMSIVIEW *view,
247 UINT n, LPWSTR *name, UINT *type)
249 LPCWSTR name_ptr = NULL;
251 static const WCHAR Name[] = {'N','a','m','e',0};
252 static const WCHAR Data[] = {'D','a','t','a',0};
254 TRACE("(%p, %d, %p, %p)\n", view, n, name, type);
256 if (n == 0 || n > NUM_STREAMS_COLS)
257 return ERROR_INVALID_PARAMETER;
263 if (type) *type = MSITYPE_STRING | MAX_STREAM_NAME_LEN;
268 if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MSITYPE_NULLABLE;
274 *name = strdupW(name_ptr);
275 if (!*name) return ERROR_FUNCTION_FAILED;
278 return ERROR_SUCCESS;
281 static UINT STREAMS_modify(struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
283 FIXME("(%p, %d, %p): stub!\n", view, eModifyMode, rec);
284 return ERROR_SUCCESS;
287 static UINT STREAMS_delete(struct tagMSIVIEW *view)
289 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
292 TRACE("(%p)\n", view);
294 for (i = 0; i < sv->num_rows; i++)
296 if (sv->streams[i]->stream)
297 IStream_Release(sv->streams[i]->stream);
298 msi_free(sv->streams[i]);
301 msi_free(sv->streams);
303 return ERROR_SUCCESS;
306 static UINT STREAMS_find_matching_rows(struct tagMSIVIEW *view, UINT col,
307 UINT val, UINT *row, MSIITERHANDLE *handle)
309 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
310 UINT index = (UINT)*handle;
312 TRACE("(%d, %d): %d\n", *row, col, val);
314 if (col == 0 || col > NUM_STREAMS_COLS)
315 return ERROR_INVALID_PARAMETER;
317 while (index < sv->num_rows)
319 if (sv->streams[index]->str_index == val)
328 *handle = (MSIITERHANDLE)++index;
329 if (index >= sv->num_rows)
330 return ERROR_NO_MORE_ITEMS;
332 return ERROR_SUCCESS;
335 static const MSIVIEWOPS streams_ops =
338 STREAMS_fetch_stream,
345 STREAMS_get_dimensions,
346 STREAMS_get_column_info,
349 STREAMS_find_matching_rows,
356 static UINT add_streams_to_table(MSISTREAMSVIEW *sv)
358 IEnumSTATSTG *stgenum = NULL;
360 STREAM *stream = NULL;
362 UINT count = 0, size;
364 hr = IStorage_EnumElements(sv->db->storage, 0, NULL, 0, &stgenum);
369 sv->streams = msi_alloc(sizeof(STREAM *));
376 hr = IEnumSTATSTG_Next(stgenum, 1, &stat, &size);
377 if (FAILED(hr) || !size)
380 /* table streams are not in the _Streams table */
381 if (*stat.pwcsName == 0x4840)
384 stream = create_stream(sv, stat.pwcsName, TRUE, NULL);
391 IStorage_OpenStream(sv->db->storage, stat.pwcsName, 0,
392 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stream->stream);
394 if (!add_stream_to_table(sv, stream, count++))
401 IEnumSTATSTG_Release(stgenum);
405 UINT STREAMS_CreateView(MSIDATABASE *db, MSIVIEW **view)
409 TRACE("(%p, %p)\n", db, view);
411 sv = msi_alloc(sizeof(MSISTREAMSVIEW));
413 return ERROR_FUNCTION_FAILED;
415 sv->view.ops = &streams_ops;
417 sv->num_rows = add_streams_to_table(sv);
419 if (sv->num_rows < 0)
420 return ERROR_FUNCTION_FAILED;
422 *view = (MSIVIEW *)sv;
424 return ERROR_SUCCESS;