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advapi32: Remove wrong "is NULL and error out" code (coccicheck).
[wine/wine-gecko.git] / dlls / msi / table.c
blob91f36761533d5ef8ab8e1cec88b1c0977dd1f0ef
1 /*
2 * Implementation of the Microsoft Installer (msi.dll)
3 *
4 * Copyright 2002-2005 Mike McCormack for CodeWeavers
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #include <stdarg.h>
22 #include <assert.h>
23
24 #define COBJMACROS
25 #define NONAMELESSUNION
26 #define NONAMELESSSTRUCT
27
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winerror.h"
31 #include "msi.h"
32 #include "msiquery.h"
33 #include "objbase.h"
34 #include "objidl.h"
35 #include "winnls.h"
36 #include "msipriv.h"
37 #include "query.h"
38
39 #include "wine/debug.h"
40 #include "wine/unicode.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
43
44 #define MSITABLE_HASH_TABLE_SIZE 37
45
46 typedef struct tagMSICOLUMNHASHENTRY
47 {
48 struct tagMSICOLUMNHASHENTRY *next;
49 UINT value;
50 UINT row;
51 } MSICOLUMNHASHENTRY;
52
53 typedef struct tagMSICOLUMNINFO
54 {
55 LPWSTR tablename;
56 UINT number;
57 LPWSTR colname;
58 UINT type;
59 UINT offset;
60 INT ref_count;
61 BOOL temporary;
62 MSICOLUMNHASHENTRY **hash_table;
63 } MSICOLUMNINFO;
64
65 typedef struct tagMSIORDERINFO
66 {
67 UINT *reorder;
68 UINT num_cols;
69 UINT cols[1];
70 } MSIORDERINFO;
71
72 struct tagMSITABLE
73 {
74 BYTE **data;
75 BOOL *data_persistent;
76 UINT row_count;
77 struct list entry;
78 MSICOLUMNINFO *colinfo;
79 UINT col_count;
80 MSICONDITION persistent;
81 INT ref_count;
82 WCHAR name[1];
83 };
84
85 /* information for default tables */
86 static WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
87 static WCHAR szTable[] = { 'T','a','b','l','e',0 };
88 static WCHAR szName[] = { 'N','a','m','e',0 };
89 static WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
90 static WCHAR szNumber[] = { 'N','u','m','b','e','r',0 };
91 static WCHAR szType[] = { 'T','y','p','e',0 };
92
93 static const MSICOLUMNINFO _Columns_cols[4] = {
94 { szColumns, 1, szTable, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL },
95 { szColumns, 2, szNumber, MSITYPE_VALID | MSITYPE_KEY | 2, 2, 0, 0, NULL },
96 { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4, 0, 0, NULL },
97 { szColumns, 4, szType, MSITYPE_VALID | 2, 6, 0, 0, NULL },
98 };
99
100 static const MSICOLUMNINFO _Tables_cols[1] = {
101 { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL },
102 };
103
104 #define MAX_STREAM_NAME 0x1f
105
106 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
107 MSICOLUMNINFO **pcols, UINT *pcount );
108 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo,
109 DWORD count );
110 static UINT get_tablecolumns( MSIDATABASE *db,
111 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
112 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
113
114 static inline UINT bytes_per_column( MSIDATABASE *db, const MSICOLUMNINFO *col, UINT bytes_per_strref )
115 {
116 if( MSITYPE_IS_BINARY(col->type) )
117 return 2;
118
119 if( col->type & MSITYPE_STRING )
120 return bytes_per_strref;
121
122 if( (col->type & 0xff) <= 2)
123 return 2;
124
125 if( (col->type & 0xff) != 4 )
126 ERR("Invalid column size!\n");
127
128 return 4;
129 }
130
131 static int utf2mime(int x)
132 {
133 if( (x>='0') && (x<='9') )
134 return x-'0';
135 if( (x>='A') && (x<='Z') )
136 return x-'A'+10;
137 if( (x>='a') && (x<='z') )
138 return x-'a'+10+26;
139 if( x=='.' )
140 return 10+26+26;
141 if( x=='_' )
142 return 10+26+26+1;
143 return -1;
144 }
145
146 LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
147 {
148 DWORD count = MAX_STREAM_NAME;
149 DWORD ch, next;
150 LPWSTR out, p;
151
152 if( !bTable )
153 count = lstrlenW( in )+2;
154 if (!(out = msi_alloc( count*sizeof(WCHAR) ))) return NULL;
155 p = out;
156
157 if( bTable )
158 {
159 *p++ = 0x4840;
160 count --;
161 }
162 while( count -- )
163 {
164 ch = *in++;
165 if( !ch )
166 {
167 *p = ch;
168 return out;
169 }
170 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
171 {
172 ch = utf2mime(ch) + 0x4800;
173 next = *in;
174 if( next && (next<0x80) )
175 {
176 next = utf2mime(next);
177 if( next != -1 )
178 {
179 next += 0x3ffffc0;
180 ch += (next<<6);
181 in++;
182 }
183 }
184 }
185 *p++ = ch;
186 }
187 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
188 msi_free( out );
189 return NULL;
190 }
191
192 static int mime2utf(int x)
193 {
194 if( x<10 )
195 return x + '0';
196 if( x<(10+26))
197 return x - 10 + 'A';
198 if( x<(10+26+26))
199 return x - 10 - 26 + 'a';
200 if( x == (10+26+26) )
201 return '.';
202 return '_';
203 }
204
205 BOOL decode_streamname(LPCWSTR in, LPWSTR out)
206 {
207 WCHAR ch;
208 DWORD count = 0;
209
210 while ( (ch = *in++) )
211 {
212 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
213 {
214 if( ch >= 0x4800 )
215 ch = mime2utf(ch-0x4800);
216 else
217 {
218 ch -= 0x3800;
219 *out++ = mime2utf(ch&0x3f);
220 count++;
221 ch = mime2utf((ch>>6)&0x3f);
222 }
223 }
224 *out++ = ch;
225 count++;
226 }
227 *out = 0;
228 return count;
229 }
230
231 void enum_stream_names( IStorage *stg )
232 {
233 IEnumSTATSTG *stgenum = NULL;
234 HRESULT r;
235 STATSTG stat;
236 ULONG n, count;
237 WCHAR name[0x40];
238
239 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
240 if( FAILED( r ) )
241 return;
242
243 n = 0;
244 while( 1 )
245 {
246 count = 0;
247 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
248 if( FAILED( r ) || !count )
249 break;
250 decode_streamname( stat.pwcsName, name );
251 TRACE("stream %2d -> %s %s\n", n,
252 debugstr_w(stat.pwcsName), debugstr_w(name) );
253 CoTaskMemFree( stat.pwcsName );
254 n++;
255 }
256
257 IEnumSTATSTG_Release( stgenum );
258 }
259
260 UINT read_stream_data( IStorage *stg, LPCWSTR stname, BOOL table,
261 BYTE **pdata, UINT *psz )
262 {
263 HRESULT r;
264 UINT ret = ERROR_FUNCTION_FAILED;
265 VOID *data;
266 ULONG sz, count;
267 IStream *stm = NULL;
268 STATSTG stat;
269 LPWSTR encname;
270
271 encname = encode_streamname(table, stname);
272
273 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
274
275 r = IStorage_OpenStream(stg, encname, NULL,
276 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
277 msi_free( encname );
278 if( FAILED( r ) )
279 {
280 WARN("open stream failed r = %08x - empty table?\n", r);
281 return ret;
282 }
283
284 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
285 if( FAILED( r ) )
286 {
287 WARN("open stream failed r = %08x!\n", r);
288 goto end;
289 }
290
291 if( stat.cbSize.QuadPart >> 32 )
292 {
293 WARN("Too big!\n");
294 goto end;
295 }
296
297 sz = stat.cbSize.QuadPart;
298 data = msi_alloc( sz );
299 if( !data )
300 {
301 WARN("couldn't allocate memory r=%08x!\n", r);
302 ret = ERROR_NOT_ENOUGH_MEMORY;
303 goto end;
304 }
305
306 r = IStream_Read(stm, data, sz, &count );
307 if( FAILED( r ) || ( count != sz ) )
308 {
309 msi_free( data );
310 WARN("read stream failed r = %08x!\n", r);
311 goto end;
312 }
313
314 *pdata = data;
315 *psz = sz;
316 ret = ERROR_SUCCESS;
317
318 end:
319 IStream_Release( stm );
320
321 return ret;
322 }
323
324 UINT write_stream_data( IStorage *stg, LPCWSTR stname,
325 LPCVOID data, UINT sz, BOOL bTable )
326 {
327 HRESULT r;
328 UINT ret = ERROR_FUNCTION_FAILED;
329 ULONG count;
330 IStream *stm = NULL;
331 ULARGE_INTEGER size;
332 LARGE_INTEGER pos;
333 LPWSTR encname;
334
335 encname = encode_streamname(bTable, stname );
336 r = IStorage_OpenStream( stg, encname, NULL,
337 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
338 if( FAILED(r) )
339 {
340 r = IStorage_CreateStream( stg, encname,
341 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
342 }
343 msi_free( encname );
344 if( FAILED( r ) )
345 {
346 WARN("open stream failed r = %08x\n", r);
347 return ret;
348 }
349
350 size.QuadPart = sz;
351 r = IStream_SetSize( stm, size );
352 if( FAILED( r ) )
353 {
354 WARN("Failed to SetSize\n");
355 goto end;
356 }
357
358 pos.QuadPart = 0;
359 r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
360 if( FAILED( r ) )
361 {
362 WARN("Failed to Seek\n");
363 goto end;
364 }
365
366 if (sz)
367 {
368 r = IStream_Write(stm, data, sz, &count );
369 if( FAILED( r ) || ( count != sz ) )
370 {
371 WARN("Failed to Write\n");
372 goto end;
373 }
374 }
375
376 ret = ERROR_SUCCESS;
377
378 end:
379 IStream_Release( stm );
380
381 return ret;
382 }
383
384 static void free_table( MSITABLE *table )
385 {
386 UINT i;
387 for( i=0; i<table->row_count; i++ )
388 msi_free( table->data[i] );
389 msi_free( table->data );
390 msi_free( table->data_persistent );
391 msi_free_colinfo( table->colinfo, table->col_count );
392 msi_free( table->colinfo );
393 msi_free( table );
394 }
395
396 static UINT msi_table_get_row_size( MSIDATABASE *db, const MSICOLUMNINFO *cols, UINT count, UINT bytes_per_strref )
397 {
398 const MSICOLUMNINFO *last_col;
399
400 if (!count)
401 return 0;
402
403 if (bytes_per_strref != LONG_STR_BYTES)
404 {
405 UINT i, size = 0;
406 for (i = 0; i < count; i++) size += bytes_per_column( db, &cols[i], bytes_per_strref );
407 return size;
408 }
409 last_col = &cols[count - 1];
410 return last_col->offset + bytes_per_column( db, last_col, bytes_per_strref );
411 }
412
413 /* add this table to the list of cached tables in the database */
414 static UINT read_table_from_storage( MSIDATABASE *db, MSITABLE *t, IStorage *stg )
415 {
416 BYTE *rawdata = NULL;
417 UINT rawsize = 0, i, j, row_size, row_size_mem;
418
419 TRACE("%s\n",debugstr_w(t->name));
420
421 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count, db->bytes_per_strref );
422 row_size_mem = msi_table_get_row_size( db, t->colinfo, t->col_count, LONG_STR_BYTES );
423
424 /* if we can't read the table, just assume that it's empty */
425 read_stream_data( stg, t->name, TRUE, &rawdata, &rawsize );
426 if( !rawdata )
427 return ERROR_SUCCESS;
428
429 TRACE("Read %d bytes\n", rawsize );
430
431 if( rawsize % row_size )
432 {
433 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
434 goto err;
435 }
436
437 t->row_count = rawsize / row_size;
438 t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
439 if( !t->data )
440 goto err;
441 t->data_persistent = msi_alloc_zero( t->row_count * sizeof(BOOL));
442 if ( !t->data_persistent )
443 goto err;
444
445 /* transpose all the data */
446 TRACE("Transposing data from %d rows\n", t->row_count );
447 for (i = 0; i < t->row_count; i++)
448 {
449 UINT ofs = 0, ofs_mem = 0;
450
451 t->data[i] = msi_alloc( row_size_mem );
452 if( !t->data[i] )
453 goto err;
454 t->data_persistent[i] = TRUE;
455
456 for (j = 0; j < t->col_count; j++)
457 {
458 UINT m = bytes_per_column( db, &t->colinfo[j], LONG_STR_BYTES );
459 UINT n = bytes_per_column( db, &t->colinfo[j], db->bytes_per_strref );
460 UINT k;
461
462 if ( n != 2 && n != 3 && n != 4 )
463 {
464 ERR("oops - unknown column width %d\n", n);
465 goto err;
466 }
467 if (t->colinfo[j].type & MSITYPE_STRING && n < m)
468 {
469 for (k = 0; k < m; k++)
470 {
471 if (k < n)
472 t->data[i][ofs_mem + k] = rawdata[ofs * t->row_count + i * n + k];
473 else
474 t->data[i][ofs_mem + k] = 0;
475 }
476 }
477 else
478 {
479 for (k = 0; k < n; k++)
480 t->data[i][ofs_mem + k] = rawdata[ofs * t->row_count + i * n + k];
481 }
482 ofs_mem += m;
483 ofs += n;
484 }
485 }
486
487 msi_free( rawdata );
488 return ERROR_SUCCESS;
489 err:
490 msi_free( rawdata );
491 return ERROR_FUNCTION_FAILED;
492 }
493
494 void free_cached_tables( MSIDATABASE *db )
495 {
496 while( !list_empty( &db->tables ) )
497 {
498 MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
499
500 list_remove( &t->entry );
501 free_table( t );
502 }
503 }
504
505 static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name )
506 {
507 MSITABLE *t;
508
509 LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
510 if( !strcmpW( name, t->name ) )
511 return t;
512
513 return NULL;
514 }
515
516 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
517 {
518 UINT r, column_count = 0;
519 MSICOLUMNINFO *columns;
520
521 /* get the number of columns in this table */
522 column_count = 0;
523 r = get_tablecolumns( db, name, NULL, &column_count );
524 if( r != ERROR_SUCCESS )
525 return r;
526
527 *pcount = column_count;
528
529 /* if there's no columns, there's no table */
530 if( column_count == 0 )
531 return ERROR_INVALID_PARAMETER;
532
533 TRACE("Table %s found\n", debugstr_w(name) );
534
535 columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO) );
536 if( !columns )
537 return ERROR_FUNCTION_FAILED;
538
539 r = get_tablecolumns( db, name, columns, &column_count );
540 if( r != ERROR_SUCCESS )
541 {
542 msi_free( columns );
543 return ERROR_FUNCTION_FAILED;
544 }
545
546 *pcols = columns;
547
548 return r;
549 }
550
551 UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info,
552 MSICONDITION persistent, MSITABLE **table_ret)
553 {
554 UINT r, nField;
555 MSIVIEW *tv = NULL;
556 MSIRECORD *rec = NULL;
557 column_info *col;
558 MSITABLE *table;
559 UINT i;
560
561 /* only add tables that don't exist already */
562 if( TABLE_Exists(db, name ) )
563 {
564 WARN("table %s exists\n", debugstr_w(name));
565 return ERROR_BAD_QUERY_SYNTAX;
566 }
567
568 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
569 if( !table )
570 return ERROR_FUNCTION_FAILED;
571
572 table->ref_count = 1;
573 table->row_count = 0;
574 table->data = NULL;
575 table->data_persistent = NULL;
576 table->colinfo = NULL;
577 table->col_count = 0;
578 table->persistent = persistent;
579 lstrcpyW( table->name, name );
580
581 for( col = col_info; col; col = col->next )
582 table->col_count++;
583
584 table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) );
585 if (!table->colinfo)
586 {
587 free_table( table );
588 return ERROR_FUNCTION_FAILED;
589 }
590
591 for( i = 0, col = col_info; col; i++, col = col->next )
592 {
593 table->colinfo[ i ].tablename = strdupW( col->table );
594 table->colinfo[ i ].number = i + 1;
595 table->colinfo[ i ].colname = strdupW( col->column );
596 table->colinfo[ i ].type = col->type;
597 table->colinfo[ i ].offset = 0;
598 table->colinfo[ i ].ref_count = 0;
599 table->colinfo[ i ].hash_table = NULL;
600 table->colinfo[ i ].temporary = col->temporary;
601 }
602 table_calc_column_offsets( db, table->colinfo, table->col_count);
603
604 r = TABLE_CreateView( db, szTables, &tv );
605 TRACE("CreateView returned %x\n", r);
606 if( r )
607 {
608 free_table( table );
609 return r;
610 }
611
612 r = tv->ops->execute( tv, 0 );
613 TRACE("tv execute returned %x\n", r);
614 if( r )
615 goto err;
616
617 rec = MSI_CreateRecord( 1 );
618 if( !rec )
619 goto err;
620
621 r = MSI_RecordSetStringW( rec, 1, name );
622 if( r )
623 goto err;
624
625 r = tv->ops->insert_row( tv, rec, -1, persistent == MSICONDITION_FALSE );
626 TRACE("insert_row returned %x\n", r);
627 if( r )
628 goto err;
629
630 tv->ops->delete( tv );
631 tv = NULL;
632
633 msiobj_release( &rec->hdr );
634 rec = NULL;
635
636 if( persistent != MSICONDITION_FALSE )
637 {
638 /* add each column to the _Columns table */
639 r = TABLE_CreateView( db, szColumns, &tv );
640 if( r )
641 return r;
642
643 r = tv->ops->execute( tv, 0 );
644 TRACE("tv execute returned %x\n", r);
645 if( r )
646 goto err;
647
648 rec = MSI_CreateRecord( 4 );
649 if( !rec )
650 goto err;
651
652 r = MSI_RecordSetStringW( rec, 1, name );
653 if( r )
654 goto err;
655
656 /*
657 * need to set the table, column number, col name and type
658 * for each column we enter in the table
659 */
660 nField = 1;
661 for( col = col_info; col; col = col->next )
662 {
663 r = MSI_RecordSetInteger( rec, 2, nField );
664 if( r )
665 goto err;
666
667 r = MSI_RecordSetStringW( rec, 3, col->column );
668 if( r )
669 goto err;
670
671 r = MSI_RecordSetInteger( rec, 4, col->type );
672 if( r )
673 goto err;
674
675 r = tv->ops->insert_row( tv, rec, -1, FALSE );
676 if( r )
677 goto err;
678
679 nField++;
680 }
681 if( !col )
682 r = ERROR_SUCCESS;
683 }
684
685 err:
686 if (rec)
687 msiobj_release( &rec->hdr );
688 /* FIXME: remove values from the string table on error */
689 if( tv )
690 tv->ops->delete( tv );
691
692 if (r == ERROR_SUCCESS)
693 {
694 list_add_head( &db->tables, &table->entry );
695 *table_ret = table;
696 }
697 else
698 free_table( table );
699
700 return r;
701 }
702
703 static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret )
704 {
705 MSITABLE *table;
706 UINT r;
707
708 /* first, see if the table is cached */
709 table = find_cached_table( db, name );
710 if( table )
711 {
712 *table_ret = table;
713 return ERROR_SUCCESS;
714 }
715
716 /* nonexistent tables should be interpreted as empty tables */
717 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
718 if( !table )
719 return ERROR_FUNCTION_FAILED;
720
721 table->row_count = 0;
722 table->data = NULL;
723 table->data_persistent = NULL;
724 table->colinfo = NULL;
725 table->col_count = 0;
726 table->persistent = MSICONDITION_TRUE;
727 lstrcpyW( table->name, name );
728
729 if ( !strcmpW( name, szTables ) || !strcmpW( name, szColumns ) )
730 table->persistent = MSICONDITION_NONE;
731
732 r = table_get_column_info( db, name, &table->colinfo, &table->col_count);
733 if (r != ERROR_SUCCESS)
734 {
735 free_table ( table );
736 return r;
737 }
738
739 r = read_table_from_storage( db, table, db->storage );
740 if( r != ERROR_SUCCESS )
741 {
742 free_table( table );
743 return r;
744 }
745
746 list_add_head( &db->tables, &table->entry );
747 *table_ret = table;
748 return ERROR_SUCCESS;
749 }
750
751 static UINT read_table_int(BYTE *const *data, UINT row, UINT col, UINT bytes)
752 {
753 UINT ret = 0, i;
754
755 for (i = 0; i < bytes; i++)
756 ret += data[row][col + i] << i * 8;
757
758 return ret;
759 }
760
761 static UINT save_table( MSIDATABASE *db, const MSITABLE *t, UINT bytes_per_strref )
762 {
763 BYTE *rawdata = NULL;
764 UINT rawsize, i, j, row_size, row_count;
765 UINT r = ERROR_FUNCTION_FAILED;
766
767 /* Nothing to do for non-persistent tables */
768 if( t->persistent == MSICONDITION_FALSE )
769 return ERROR_SUCCESS;
770
771 TRACE("Saving %s\n", debugstr_w( t->name ) );
772
773 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count, bytes_per_strref );
774 row_count = t->row_count;
775 for (i = 0; i < t->row_count; i++)
776 {
777 if (!t->data_persistent[i])
778 {
779 row_count = 1; /* yes, this is bizarre */
780 break;
781 }
782 }
783 rawsize = row_count * row_size;
784 rawdata = msi_alloc_zero( rawsize );
785 if( !rawdata )
786 {
787 r = ERROR_NOT_ENOUGH_MEMORY;
788 goto err;
789 }
790
791 rawsize = 0;
792 for (i = 0; i < t->row_count; i++)
793 {
794 UINT ofs = 0, ofs_mem = 0;
795
796 if (!t->data_persistent[i]) break;
797
798 for (j = 0; j < t->col_count; j++)
799 {
800 UINT m = bytes_per_column( db, &t->colinfo[j], LONG_STR_BYTES );
801 UINT n = bytes_per_column( db, &t->colinfo[j], bytes_per_strref );
802 UINT k;
803
804 if (n != 2 && n != 3 && n != 4)
805 {
806 ERR("oops - unknown column width %d\n", n);
807 goto err;
808 }
809 if (t->colinfo[j].type & MSITYPE_STRING && n < m)
810 {
811 UINT id = read_table_int( t->data, i, ofs_mem, LONG_STR_BYTES );
812 if (id > 1 << bytes_per_strref * 8)
813 {
814 ERR("string id %u out of range\n", id);
815 goto err;
816 }
817 }
818 for (k = 0; k < n; k++)
819 {
820 rawdata[ofs * row_count + i * n + k] = t->data[i][ofs_mem + k];
821 }
822 ofs_mem += m;
823 ofs += n;
824 }
825 rawsize += row_size;
826 }
827
828 TRACE("writing %d bytes\n", rawsize);
829 r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE );
830
831 err:
832 msi_free( rawdata );
833 return r;
834 }
835
836 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo, DWORD count )
837 {
838 DWORD i;
839
840 for( i=0; colinfo && (i<count); i++ )
841 {
842 assert( (i+1) == colinfo[ i ].number );
843 if (i)
844 colinfo[i].offset = colinfo[ i - 1 ].offset
845 + bytes_per_column( db, &colinfo[ i - 1 ], LONG_STR_BYTES );
846 else
847 colinfo[i].offset = 0;
848 TRACE("column %d is [%s] with type %08x ofs %d\n",
849 colinfo[i].number, debugstr_w(colinfo[i].colname),
850 colinfo[i].type, colinfo[i].offset);
851 }
852 }
853
854 static UINT get_defaulttablecolumns( MSIDATABASE *db, LPCWSTR name,
855 MSICOLUMNINFO *colinfo, UINT *sz)
856 {
857 const MSICOLUMNINFO *p;
858 DWORD i, n;
859
860 TRACE("%s\n", debugstr_w(name));
861
862 if (!strcmpW( name, szTables ))
863 {
864 p = _Tables_cols;
865 n = 1;
866 }
867 else if (!strcmpW( name, szColumns ))
868 {
869 p = _Columns_cols;
870 n = 4;
871 }
872 else
873 return ERROR_FUNCTION_FAILED;
874
875 /* duplicate the string data so we can free it in msi_free_colinfo */
876 for (i=0; i<n; i++)
877 {
878 if (colinfo && (i < *sz) )
879 {
880 colinfo[i] = p[i];
881 colinfo[i].tablename = strdupW( p[i].tablename );
882 colinfo[i].colname = strdupW( p[i].colname );
883 }
884 if( colinfo && (i >= *sz) )
885 break;
886 }
887 table_calc_column_offsets( db, colinfo, n );
888 *sz = n;
889 return ERROR_SUCCESS;
890 }
891
892 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count )
893 {
894 UINT i;
895
896 for( i=0; i<count; i++ )
897 {
898 msi_free( colinfo[i].tablename );
899 msi_free( colinfo[i].colname );
900 msi_free( colinfo[i].hash_table );
901 }
902 }
903
904 static LPWSTR msi_makestring( const MSIDATABASE *db, UINT stringid)
905 {
906 return strdupW(msi_string_lookup_id( db->strings, stringid ));
907 }
908
909 static UINT get_tablecolumns( MSIDATABASE *db,
910 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
911 {
912 UINT r, i, n=0, table_id, count, maxcount = *sz;
913 MSITABLE *table = NULL;
914
915 TRACE("%s\n", debugstr_w(szTableName));
916
917 /* first check if there is a default table with that name */
918 r = get_defaulttablecolumns( db, szTableName, colinfo, sz );
919 if( ( r == ERROR_SUCCESS ) && *sz )
920 return r;
921
922 r = get_table( db, szColumns, &table );
923 if( r != ERROR_SUCCESS )
924 {
925 ERR("couldn't load _Columns table\n");
926 return ERROR_FUNCTION_FAILED;
927 }
928
929 /* convert table and column names to IDs from the string table */
930 r = msi_string2idW( db->strings, szTableName, &table_id );
931 if( r != ERROR_SUCCESS )
932 {
933 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
934 return r;
935 }
936
937 TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
938
939 /* Note: _Columns table doesn't have non-persistent data */
940
941 /* if maxcount is non-zero, assume it's exactly right for this table */
942 memset( colinfo, 0, maxcount*sizeof(*colinfo) );
943 count = table->row_count;
944 for( i=0; i<count; i++ )
945 {
946 if( read_table_int(table->data, i, 0, LONG_STR_BYTES) != table_id )
947 continue;
948 if( colinfo )
949 {
950 UINT id = read_table_int(table->data, i, table->colinfo[2].offset, LONG_STR_BYTES);
951 UINT col = read_table_int(table->data, i, table->colinfo[1].offset, sizeof(USHORT)) - (1<<15);
952
953 /* check the column number is in range */
954 if (col<1 || col>maxcount)
955 {
956 ERR("column %d out of range\n", col);
957 continue;
958 }
959
960 /* check if this column was already set */
961 if (colinfo[ col - 1 ].number)
962 {
963 ERR("duplicate column %d\n", col);
964 continue;
965 }
966
967 colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
968 colinfo[ col - 1 ].number = col;
969 colinfo[ col - 1 ].colname = msi_makestring( db, id );
970 colinfo[ col - 1 ].type = read_table_int(table->data, i,
971 table->colinfo[3].offset,
972 sizeof(USHORT)) - (1<<15);
973 colinfo[ col - 1 ].offset = 0;
974 colinfo[ col - 1 ].ref_count = 0;
975 colinfo[ col - 1 ].hash_table = NULL;
976 }
977 n++;
978 }
979
980 TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
981
982 if (colinfo && n != maxcount)
983 {
984 ERR("missing column in table %s\n", debugstr_w(szTableName));
985 msi_free_colinfo(colinfo, maxcount );
986 return ERROR_FUNCTION_FAILED;
987 }
988
989 table_calc_column_offsets( db, colinfo, n );
990 *sz = n;
991
992 return ERROR_SUCCESS;
993 }
994
995 static void msi_update_table_columns( MSIDATABASE *db, LPCWSTR name )
996 {
997 MSITABLE *table;
998 LPWSTR tablename;
999 UINT size, offset, old_count;
1000 UINT n;
1001
1002 /* We may free name in msi_free_colinfo. */
1003 tablename = strdupW( name );
1004
1005 table = find_cached_table( db, tablename );
1006 old_count = table->col_count;
1007 msi_free_colinfo( table->colinfo, table->col_count );
1008 msi_free( table->colinfo );
1009 table->colinfo = NULL;
1010
1011 table_get_column_info( db, tablename, &table->colinfo, &table->col_count );
1012 if (!table->col_count)
1013 goto done;
1014
1015 size = msi_table_get_row_size( db, table->colinfo, table->col_count, LONG_STR_BYTES );
1016 offset = table->colinfo[table->col_count - 1].offset;
1017
1018 for ( n = 0; n < table->row_count; n++ )
1019 {
1020 table->data[n] = msi_realloc( table->data[n], size );
1021 if (old_count < table->col_count)
1022 memset( &table->data[n][offset], 0, size - offset );
1023 }
1024
1025 done:
1026 msi_free(tablename);
1027 }
1028
1029 /* try to find the table name in the _Tables table */
1030 BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
1031 {
1032 UINT r, table_id, i;
1033 MSITABLE *table;
1034
1035 if( !strcmpW( name, szTables ) || !strcmpW( name, szColumns ) ||
1036 !strcmpW( name, szStreams ) || !strcmpW( name, szStorages ) )
1037 return TRUE;
1038
1039 r = msi_string2idW( db->strings, name, &table_id );
1040 if( r != ERROR_SUCCESS )
1041 {
1042 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1043 return FALSE;
1044 }
1045
1046 r = get_table( db, szTables, &table );
1047 if( r != ERROR_SUCCESS )
1048 {
1049 ERR("table %s not available\n", debugstr_w(szTables));
1050 return FALSE;
1051 }
1052
1053 for( i = 0; i < table->row_count; i++ )
1054 {
1055 if( read_table_int( table->data, i, 0, LONG_STR_BYTES ) == table_id )
1056 return TRUE;
1057 }
1058
1059 return FALSE;
1060 }
1061
1062 /* below is the query interface to a table */
1063
1064 typedef struct tagMSITABLEVIEW
1065 {
1066 MSIVIEW view;
1067 MSIDATABASE *db;
1068 MSITABLE *table;
1069 MSICOLUMNINFO *columns;
1070 MSIORDERINFO *order;
1071 UINT num_cols;
1072 UINT row_size;
1073 WCHAR name[1];
1074 } MSITABLEVIEW;
1075
1076 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1077 {
1078 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1079 UINT offset, n;
1080
1081 if( !tv->table )
1082 return ERROR_INVALID_PARAMETER;
1083
1084 if( (col==0) || (col>tv->num_cols) )
1085 return ERROR_INVALID_PARAMETER;
1086
1087 /* how many rows are there ? */
1088 if( row >= tv->table->row_count )
1089 return ERROR_NO_MORE_ITEMS;
1090
1091 if( tv->columns[col-1].offset >= tv->row_size )
1092 {
1093 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1094 ERR("%p %p\n", tv, tv->columns );
1095 return ERROR_FUNCTION_FAILED;
1096 }
1097
1098 if (tv->order)
1099 row = tv->order->reorder[row];
1100
1101 n = bytes_per_column( tv->db, &tv->columns[col - 1], LONG_STR_BYTES );
1102 if (n != 2 && n != 3 && n != 4)
1103 {
1104 ERR("oops! what is %d bytes per column?\n", n );
1105 return ERROR_FUNCTION_FAILED;
1106 }
1107
1108 offset = tv->columns[col-1].offset;
1109 *val = read_table_int(tv->table->data, row, offset, n);
1110
1111 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1112
1113 return ERROR_SUCCESS;
1114 }
1115
1116 static UINT msi_stream_name( const MSITABLEVIEW *tv, UINT row, LPWSTR *pstname )
1117 {
1118 LPWSTR p, stname = NULL;
1119 UINT i, r, type, ival;
1120 DWORD len;
1121 LPCWSTR sval;
1122 MSIVIEW *view = (MSIVIEW *) tv;
1123
1124 TRACE("%p %d\n", tv, row);
1125
1126 len = lstrlenW( tv->name ) + 1;
1127 stname = msi_alloc( len*sizeof(WCHAR) );
1128 if ( !stname )
1129 {
1130 r = ERROR_OUTOFMEMORY;
1131 goto err;
1132 }
1133
1134 lstrcpyW( stname, tv->name );
1135
1136 for ( i = 0; i < tv->num_cols; i++ )
1137 {
1138 type = tv->columns[i].type;
1139 if ( type & MSITYPE_KEY )
1140 {
1141 WCHAR number[0x20];
1142
1143 r = TABLE_fetch_int( view, row, i+1, &ival );
1144 if ( r != ERROR_SUCCESS )
1145 goto err;
1146
1147 if ( tv->columns[i].type & MSITYPE_STRING )
1148 {
1149 sval = msi_string_lookup_id( tv->db->strings, ival );
1150 if ( !sval )
1151 {
1152 r = ERROR_INVALID_PARAMETER;
1153 goto err;
1154 }
1155 }
1156 else
1157 {
1158 static const WCHAR fmt[] = { '%','d',0 };
1159 UINT n = bytes_per_column( tv->db, &tv->columns[i], LONG_STR_BYTES );
1160
1161 switch( n )
1162 {
1163 case 2:
1164 sprintfW( number, fmt, ival-0x8000 );
1165 break;
1166 case 4:
1167 sprintfW( number, fmt, ival^0x80000000 );
1168 break;
1169 default:
1170 ERR( "oops - unknown column width %d\n", n );
1171 r = ERROR_FUNCTION_FAILED;
1172 goto err;
1173 }
1174 sval = number;
1175 }
1176
1177 len += lstrlenW( szDot ) + lstrlenW( sval );
1178 p = msi_realloc ( stname, len*sizeof(WCHAR) );
1179 if ( !p )
1180 {
1181 r = ERROR_OUTOFMEMORY;
1182 goto err;
1183 }
1184 stname = p;
1185
1186 lstrcatW( stname, szDot );
1187 lstrcatW( stname, sval );
1188 }
1189 else
1190 continue;
1191 }
1192
1193 *pstname = stname;
1194 return ERROR_SUCCESS;
1195
1196 err:
1197 msi_free( stname );
1198 *pstname = NULL;
1199 return r;
1200 }
1201
1202 /*
1203 * We need a special case for streams, as we need to reference column with
1204 * the name of the stream in the same table, and the table name
1205 * which may not be available at higher levels of the query
1206 */
1207 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1208 {
1209 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1210 UINT r;
1211 LPWSTR encname, full_name = NULL;
1212
1213 if( !view->ops->fetch_int )
1214 return ERROR_INVALID_PARAMETER;
1215
1216 r = msi_stream_name( tv, row, &full_name );
1217 if ( r != ERROR_SUCCESS )
1218 {
1219 ERR("fetching stream, error = %d\n", r);
1220 return r;
1221 }
1222
1223 encname = encode_streamname( FALSE, full_name );
1224 r = msi_get_raw_stream( tv->db, encname, stm );
1225 if( r )
1226 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1227
1228 msi_free( full_name );
1229 msi_free( encname );
1230 return r;
1231 }
1232
1233 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1234 {
1235 UINT offset, n, i;
1236
1237 if( !tv->table )
1238 return ERROR_INVALID_PARAMETER;
1239
1240 if( (col==0) || (col>tv->num_cols) )
1241 return ERROR_INVALID_PARAMETER;
1242
1243 if( row >= tv->table->row_count )
1244 return ERROR_INVALID_PARAMETER;
1245
1246 if( tv->columns[col-1].offset >= tv->row_size )
1247 {
1248 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1249 ERR("%p %p\n", tv, tv->columns );
1250 return ERROR_FUNCTION_FAILED;
1251 }
1252
1253 msi_free( tv->columns[col-1].hash_table );
1254 tv->columns[col-1].hash_table = NULL;
1255
1256 n = bytes_per_column( tv->db, &tv->columns[col - 1], LONG_STR_BYTES );
1257 if ( n != 2 && n != 3 && n != 4 )
1258 {
1259 ERR("oops! what is %d bytes per column?\n", n );
1260 return ERROR_FUNCTION_FAILED;
1261 }
1262
1263 offset = tv->columns[col-1].offset;
1264 for ( i = 0; i < n; i++ )
1265 tv->table->data[row][offset + i] = (val >> i * 8) & 0xff;
1266
1267 return ERROR_SUCCESS;
1268 }
1269
1270 static UINT TABLE_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
1271 {
1272 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1273
1274 if (!tv->table)
1275 return ERROR_INVALID_PARAMETER;
1276
1277 if (tv->order)
1278 row = tv->order->reorder[row];
1279
1280 return msi_view_get_row(tv->db, view, row, rec);
1281 }
1282
1283 static UINT msi_addstreamW( MSIDATABASE *db, LPCWSTR name, IStream *data )
1284 {
1285 UINT r;
1286 MSIQUERY *query = NULL;
1287 MSIRECORD *rec = NULL;
1288
1289 static const WCHAR insert[] = {
1290 'I','N','S','E','R','T',' ','I','N','T','O',' ',
1291 '`','_','S','t','r','e','a','m','s','`',' ',
1292 '(','`','N','a','m','e','`',',',
1293 '`','D','a','t','a','`',')',' ',
1294 'V','A','L','U','E','S',' ','(','?',',','?',')',0};
1295
1296 TRACE("%p %s %p\n", db, debugstr_w(name), data);
1297
1298 rec = MSI_CreateRecord( 2 );
1299 if ( !rec )
1300 return ERROR_OUTOFMEMORY;
1301
1302 r = MSI_RecordSetStringW( rec, 1, name );
1303 if ( r != ERROR_SUCCESS )
1304 goto err;
1305
1306 r = MSI_RecordSetIStream( rec, 2, data );
1307 if ( r != ERROR_SUCCESS )
1308 goto err;
1309
1310 r = MSI_DatabaseOpenViewW( db, insert, &query );
1311 if ( r != ERROR_SUCCESS )
1312 goto err;
1313
1314 r = MSI_ViewExecute( query, rec );
1315
1316 err:
1317 msiobj_release( &query->hdr );
1318 msiobj_release( &rec->hdr );
1319
1320 return r;
1321 }
1322
1323 static UINT get_table_value_from_record( MSITABLEVIEW *tv, MSIRECORD *rec, UINT iField, UINT *pvalue )
1324 {
1325 MSICOLUMNINFO columninfo;
1326 UINT r;
1327
1328 if ( (iField <= 0) ||
1329 (iField > tv->num_cols) ||
1330 MSI_RecordIsNull( rec, iField ) )
1331 return ERROR_FUNCTION_FAILED;
1332
1333 columninfo = tv->columns[ iField - 1 ];
1334
1335 if ( MSITYPE_IS_BINARY(columninfo.type) )
1336 {
1337 *pvalue = 1; /* refers to the first key column */
1338 }
1339 else if ( columninfo.type & MSITYPE_STRING )
1340 {
1341 LPCWSTR sval = MSI_RecordGetString( rec, iField );
1342 if (sval)
1343 {
1344 r = msi_string2idW(tv->db->strings, sval, pvalue);
1345 if (r != ERROR_SUCCESS)
1346 return ERROR_NOT_FOUND;
1347 }
1348 else *pvalue = 0;
1349 }
1350 else if ( bytes_per_column( tv->db, &columninfo, LONG_STR_BYTES ) == 2 )
1351 {
1352 *pvalue = 0x8000 + MSI_RecordGetInteger( rec, iField );
1353 if ( *pvalue & 0xffff0000 )
1354 {
1355 ERR("field %u value %d out of range\n", iField, *pvalue - 0x8000);
1356 return ERROR_FUNCTION_FAILED;
1357 }
1358 }
1359 else
1360 {
1361 INT ival = MSI_RecordGetInteger( rec, iField );
1362 *pvalue = ival ^ 0x80000000;
1363 }
1364
1365 return ERROR_SUCCESS;
1366 }
1367
1368 static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
1369 {
1370 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1371 UINT i, val, r = ERROR_SUCCESS;
1372
1373 if ( !tv->table )
1374 return ERROR_INVALID_PARAMETER;
1375
1376 /* test if any of the mask bits are invalid */
1377 if ( mask >= (1<<tv->num_cols) )
1378 return ERROR_INVALID_PARAMETER;
1379
1380 for ( i = 0; i < tv->num_cols; i++ )
1381 {
1382 BOOL persistent;
1383
1384 /* only update the fields specified in the mask */
1385 if ( !(mask&(1<<i)) )
1386 continue;
1387
1388 persistent = (tv->table->persistent != MSICONDITION_FALSE) &&
1389 (tv->table->data_persistent[row]);
1390 /* FIXME: should we allow updating keys? */
1391
1392 val = 0;
1393 if ( !MSI_RecordIsNull( rec, i + 1 ) )
1394 {
1395 r = get_table_value_from_record (tv, rec, i + 1, &val);
1396 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1397 {
1398 IStream *stm;
1399 LPWSTR stname;
1400
1401 if ( r != ERROR_SUCCESS )
1402 return ERROR_FUNCTION_FAILED;
1403
1404 r = MSI_RecordGetIStream( rec, i + 1, &stm );
1405 if ( r != ERROR_SUCCESS )
1406 return r;
1407
1408 r = msi_stream_name( tv, row, &stname );
1409 if ( r != ERROR_SUCCESS )
1410 {
1411 IStream_Release( stm );
1412 return r;
1413 }
1414
1415 r = msi_addstreamW( tv->db, stname, stm );
1416 IStream_Release( stm );
1417 msi_free ( stname );
1418
1419 if ( r != ERROR_SUCCESS )
1420 return r;
1421 }
1422 else if ( tv->columns[i].type & MSITYPE_STRING )
1423 {
1424 UINT x;
1425
1426 if ( r != ERROR_SUCCESS )
1427 {
1428 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1429 val = msi_addstringW( tv->db->strings, sval, -1, 1,
1430 persistent ? StringPersistent : StringNonPersistent );
1431 }
1432 else
1433 {
1434 TABLE_fetch_int(&tv->view, row, i + 1, &x);
1435 if (val == x)
1436 continue;
1437 }
1438 }
1439 else
1440 {
1441 if ( r != ERROR_SUCCESS )
1442 return ERROR_FUNCTION_FAILED;
1443 }
1444 }
1445
1446 r = TABLE_set_int( tv, row, i+1, val );
1447 if ( r != ERROR_SUCCESS )
1448 break;
1449 }
1450 return r;
1451 }
1452
1453 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1454 {
1455 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1456 BYTE **p, *row;
1457 BOOL *b;
1458 UINT sz;
1459 BYTE ***data_ptr;
1460 BOOL **data_persist_ptr;
1461 UINT *row_count;
1462
1463 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1464
1465 if( !tv->table )
1466 return ERROR_INVALID_PARAMETER;
1467
1468 row = msi_alloc_zero( tv->row_size );
1469 if( !row )
1470 return ERROR_NOT_ENOUGH_MEMORY;
1471
1472 row_count = &tv->table->row_count;
1473 data_ptr = &tv->table->data;
1474 data_persist_ptr = &tv->table->data_persistent;
1475 if (*num == -1)
1476 *num = tv->table->row_count;
1477
1478 sz = (*row_count + 1) * sizeof (BYTE*);
1479 if( *data_ptr )
1480 p = msi_realloc( *data_ptr, sz );
1481 else
1482 p = msi_alloc( sz );
1483 if( !p )
1484 {
1485 msi_free( row );
1486 return ERROR_NOT_ENOUGH_MEMORY;
1487 }
1488
1489 sz = (*row_count + 1) * sizeof (BOOL);
1490 if( *data_persist_ptr )
1491 b = msi_realloc( *data_persist_ptr, sz );
1492 else
1493 b = msi_alloc( sz );
1494 if( !b )
1495 {
1496 msi_free( row );
1497 msi_free( p );
1498 return ERROR_NOT_ENOUGH_MEMORY;
1499 }
1500
1501 *data_ptr = p;
1502 (*data_ptr)[*row_count] = row;
1503
1504 *data_persist_ptr = b;
1505 (*data_persist_ptr)[*row_count] = !temporary;
1506
1507 (*row_count)++;
1508
1509 return ERROR_SUCCESS;
1510 }
1511
1512 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1513 {
1514 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1515
1516 TRACE("%p %p\n", tv, record);
1517
1518 TRACE("There are %d columns\n", tv->num_cols );
1519
1520 return ERROR_SUCCESS;
1521 }
1522
1523 static UINT TABLE_close( struct tagMSIVIEW *view )
1524 {
1525 TRACE("%p\n", view );
1526
1527 return ERROR_SUCCESS;
1528 }
1529
1530 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1531 {
1532 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1533
1534 TRACE("%p %p %p\n", view, rows, cols );
1535
1536 if( cols )
1537 *cols = tv->num_cols;
1538 if( rows )
1539 {
1540 if( !tv->table )
1541 return ERROR_INVALID_PARAMETER;
1542 *rows = tv->table->row_count;
1543 }
1544
1545 return ERROR_SUCCESS;
1546 }
1547
1548 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1549 UINT n, LPWSTR *name, UINT *type, BOOL *temporary,
1550 LPWSTR *table_name )
1551 {
1552 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1553
1554 TRACE("%p %d %p %p\n", tv, n, name, type );
1555
1556 if( ( n == 0 ) || ( n > tv->num_cols ) )
1557 return ERROR_INVALID_PARAMETER;
1558
1559 if( name )
1560 {
1561 *name = strdupW( tv->columns[n-1].colname );
1562 if( !*name )
1563 return ERROR_FUNCTION_FAILED;
1564 }
1565
1566 if( table_name )
1567 {
1568 *table_name = strdupW( tv->columns[n-1].tablename );
1569 if( !*table_name )
1570 return ERROR_FUNCTION_FAILED;
1571 }
1572
1573 if( type )
1574 *type = tv->columns[n-1].type;
1575
1576 if( temporary )
1577 *temporary = tv->columns[n-1].temporary;
1578
1579 return ERROR_SUCCESS;
1580 }
1581
1582 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1583
1584 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1585 {
1586 UINT r, row, i;
1587
1588 /* check there's no null values where they're not allowed */
1589 for( i = 0; i < tv->num_cols; i++ )
1590 {
1591 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1592 continue;
1593
1594 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1595 TRACE("skipping binary column\n");
1596 else if ( tv->columns[i].type & MSITYPE_STRING )
1597 {
1598 LPCWSTR str;
1599
1600 str = MSI_RecordGetString( rec, i+1 );
1601 if (str == NULL || str[0] == 0)
1602 return ERROR_INVALID_DATA;
1603 }
1604 else
1605 {
1606 UINT n;
1607
1608 n = MSI_RecordGetInteger( rec, i+1 );
1609 if (n == MSI_NULL_INTEGER)
1610 return ERROR_INVALID_DATA;
1611 }
1612 }
1613
1614 /* check there's no duplicate keys */
1615 r = msi_table_find_row( tv, rec, &row );
1616 if (r == ERROR_SUCCESS)
1617 return ERROR_FUNCTION_FAILED;
1618
1619 return ERROR_SUCCESS;
1620 }
1621
1622 static int compare_record( MSITABLEVIEW *tv, UINT row, MSIRECORD *rec )
1623 {
1624 UINT r, i, ivalue, x;
1625
1626 for (i = 0; i < tv->num_cols; i++ )
1627 {
1628 if (!(tv->columns[i].type & MSITYPE_KEY)) continue;
1629
1630 r = get_table_value_from_record( tv, rec, i + 1, &ivalue );
1631 if (r != ERROR_SUCCESS)
1632 return 1;
1633
1634 r = TABLE_fetch_int( &tv->view, row, i + 1, &x );
1635 if (r != ERROR_SUCCESS)
1636 {
1637 WARN("TABLE_fetch_int should not fail here %u\n", r);
1638 return -1;
1639 }
1640 if (ivalue > x)
1641 {
1642 return 1;
1643 }
1644 else if (ivalue == x)
1645 {
1646 if (i < tv->num_cols - 1) continue;
1647 return 0;
1648 }
1649 else
1650 return -1;
1651 }
1652 return 1;
1653 }
1654
1655 static int find_insert_index( MSITABLEVIEW *tv, MSIRECORD *rec )
1656 {
1657 int idx, c, low = 0, high = tv->table->row_count - 1;
1658
1659 TRACE("%p %p\n", tv, rec);
1660
1661 while (low <= high)
1662 {
1663 idx = (low + high) / 2;
1664 c = compare_record( tv, idx, rec );
1665
1666 if (c < 0)
1667 high = idx - 1;
1668 else if (c > 0)
1669 low = idx + 1;
1670 else
1671 {
1672 TRACE("found %u\n", idx);
1673 return idx;
1674 }
1675 }
1676 TRACE("found %u\n", high + 1);
1677 return high + 1;
1678 }
1679
1680 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary )
1681 {
1682 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1683 UINT i, r;
1684
1685 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1686
1687 /* check that the key is unique - can we find a matching row? */
1688 r = table_validate_new( tv, rec );
1689 if( r != ERROR_SUCCESS )
1690 return ERROR_FUNCTION_FAILED;
1691
1692 if (row == -1)
1693 row = find_insert_index( tv, rec );
1694
1695 r = table_create_new_row( view, &row, temporary );
1696 TRACE("insert_row returned %08x\n", r);
1697 if( r != ERROR_SUCCESS )
1698 return r;
1699
1700 /* shift the rows to make room for the new row */
1701 for (i = tv->table->row_count - 1; i > row; i--)
1702 {
1703 memmove(&(tv->table->data[i][0]),
1704 &(tv->table->data[i - 1][0]), tv->row_size);
1705 tv->table->data_persistent[i] = tv->table->data_persistent[i - 1];
1706 }
1707
1708 /* Re-set the persistence flag */
1709 tv->table->data_persistent[row] = !temporary;
1710 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1711 }
1712
1713 static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row )
1714 {
1715 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1716 UINT r, num_rows, num_cols, i;
1717
1718 TRACE("%p %d\n", tv, row);
1719
1720 if ( !tv->table )
1721 return ERROR_INVALID_PARAMETER;
1722
1723 r = TABLE_get_dimensions( view, &num_rows, &num_cols );
1724 if ( r != ERROR_SUCCESS )
1725 return r;
1726
1727 if ( row >= num_rows )
1728 return ERROR_FUNCTION_FAILED;
1729
1730 num_rows = tv->table->row_count;
1731 tv->table->row_count--;
1732
1733 /* reset the hash tables */
1734 for (i = 0; i < tv->num_cols; i++)
1735 {
1736 msi_free( tv->columns[i].hash_table );
1737 tv->columns[i].hash_table = NULL;
1738 }
1739
1740 for (i = row + 1; i < num_rows; i++)
1741 {
1742 memcpy(tv->table->data[i - 1], tv->table->data[i], tv->row_size);
1743 tv->table->data_persistent[i - 1] = tv->table->data_persistent[i];
1744 }
1745
1746 msi_free(tv->table->data[num_rows - 1]);
1747
1748 return ERROR_SUCCESS;
1749 }
1750
1751 static UINT msi_table_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
1752 {
1753 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1754 UINT r, new_row;
1755
1756 /* FIXME: MsiViewFetch should set rec index 0 to some ID that
1757 * sets the fetched record apart from other records
1758 */
1759
1760 if (!tv->table)
1761 return ERROR_INVALID_PARAMETER;
1762
1763 r = msi_table_find_row(tv, rec, &new_row);
1764 if (r != ERROR_SUCCESS)
1765 {
1766 ERR("can't find row to modify\n");
1767 return ERROR_FUNCTION_FAILED;
1768 }
1769
1770 /* the row cannot be changed */
1771 if (row != new_row + 1)
1772 return ERROR_FUNCTION_FAILED;
1773
1774 if(tv->order)
1775 new_row = tv->order->reorder[new_row];
1776
1777 return TABLE_set_row(view, new_row, rec, (1 << tv->num_cols) - 1);
1778 }
1779
1780 static UINT msi_table_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
1781 {
1782 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1783 UINT r, row;
1784
1785 if (!tv->table)
1786 return ERROR_INVALID_PARAMETER;
1787
1788 r = msi_table_find_row(tv, rec, &row);
1789 if (r == ERROR_SUCCESS)
1790 return TABLE_set_row(view, row, rec, (1 << tv->num_cols) - 1);
1791 else
1792 return TABLE_insert_row( view, rec, -1, FALSE );
1793 }
1794
1795 static UINT modify_delete_row( struct tagMSIVIEW *view, MSIRECORD *rec )
1796 {
1797 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1798 UINT row, r;
1799
1800 r = msi_table_find_row(tv, rec, &row);
1801 if (r != ERROR_SUCCESS)
1802 return r;
1803
1804 return TABLE_delete_row(view, row);
1805 }
1806
1807 static UINT msi_refresh_record( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row )
1808 {
1809 MSIRECORD *curr;
1810 UINT r, i, count;
1811
1812 r = TABLE_get_row(view, row - 1, &curr);
1813 if (r != ERROR_SUCCESS)
1814 return r;
1815
1816 /* Close the original record */
1817 MSI_CloseRecord(&rec->hdr);
1818
1819 count = MSI_RecordGetFieldCount(rec);
1820 for (i = 0; i < count; i++)
1821 MSI_RecordCopyField(curr, i + 1, rec, i + 1);
1822
1823 msiobj_release(&curr->hdr);
1824 return ERROR_SUCCESS;
1825 }
1826
1827 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1828 MSIRECORD *rec, UINT row)
1829 {
1830 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1831 UINT r;
1832
1833 TRACE("%p %d %p\n", view, eModifyMode, rec );
1834
1835 switch (eModifyMode)
1836 {
1837 case MSIMODIFY_DELETE:
1838 r = modify_delete_row( view, rec );
1839 break;
1840 case MSIMODIFY_VALIDATE_NEW:
1841 r = table_validate_new( tv, rec );
1842 break;
1843
1844 case MSIMODIFY_INSERT:
1845 r = table_validate_new( tv, rec );
1846 if (r != ERROR_SUCCESS)
1847 break;
1848 r = TABLE_insert_row( view, rec, -1, FALSE );
1849 break;
1850
1851 case MSIMODIFY_INSERT_TEMPORARY:
1852 r = table_validate_new( tv, rec );
1853 if (r != ERROR_SUCCESS)
1854 break;
1855 r = TABLE_insert_row( view, rec, -1, TRUE );
1856 break;
1857
1858 case MSIMODIFY_REFRESH:
1859 r = msi_refresh_record( view, rec, row );
1860 break;
1861
1862 case MSIMODIFY_UPDATE:
1863 r = msi_table_update( view, rec, row );
1864 break;
1865
1866 case MSIMODIFY_ASSIGN:
1867 r = msi_table_assign( view, rec );
1868 break;
1869
1870 case MSIMODIFY_REPLACE:
1871 case MSIMODIFY_MERGE:
1872 case MSIMODIFY_VALIDATE:
1873 case MSIMODIFY_VALIDATE_FIELD:
1874 case MSIMODIFY_VALIDATE_DELETE:
1875 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1876 r = ERROR_CALL_NOT_IMPLEMENTED;
1877 break;
1878
1879 default:
1880 r = ERROR_INVALID_DATA;
1881 }
1882
1883 return r;
1884 }
1885
1886 static UINT TABLE_delete( struct tagMSIVIEW *view )
1887 {
1888 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1889
1890 TRACE("%p\n", view );
1891
1892 tv->table = NULL;
1893 tv->columns = NULL;
1894
1895 if (tv->order)
1896 {
1897 msi_free( tv->order->reorder );
1898 msi_free( tv->order );
1899 tv->order = NULL;
1900 }
1901
1902 msi_free( tv );
1903
1904 return ERROR_SUCCESS;
1905 }
1906
1907 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1908 UINT val, UINT *row, MSIITERHANDLE *handle )
1909 {
1910 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1911 const MSICOLUMNHASHENTRY *entry;
1912
1913 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1914
1915 if( !tv->table )
1916 return ERROR_INVALID_PARAMETER;
1917
1918 if( (col==0) || (col > tv->num_cols) )
1919 return ERROR_INVALID_PARAMETER;
1920
1921 if( !tv->columns[col-1].hash_table )
1922 {
1923 UINT i;
1924 UINT num_rows = tv->table->row_count;
1925 MSICOLUMNHASHENTRY **hash_table;
1926 MSICOLUMNHASHENTRY *new_entry;
1927
1928 if( tv->columns[col-1].offset >= tv->row_size )
1929 {
1930 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1931 ERR("%p %p\n", tv, tv->columns );
1932 return ERROR_FUNCTION_FAILED;
1933 }
1934
1935 /* allocate contiguous memory for the table and its entries so we
1936 * don't have to do an expensive cleanup */
1937 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1938 num_rows * sizeof(MSICOLUMNHASHENTRY));
1939 if (!hash_table)
1940 return ERROR_OUTOFMEMORY;
1941
1942 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1943 tv->columns[col-1].hash_table = hash_table;
1944
1945 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1946
1947 for (i = 0; i < num_rows; i++, new_entry++)
1948 {
1949 UINT row_value;
1950
1951 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
1952 continue;
1953
1954 new_entry->next = NULL;
1955 new_entry->value = row_value;
1956 new_entry->row = i;
1957 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1958 {
1959 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1960 while (prev_entry->next)
1961 prev_entry = prev_entry->next;
1962 prev_entry->next = new_entry;
1963 }
1964 else
1965 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1966 }
1967 }
1968
1969 if( !*handle )
1970 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1971 else
1972 entry = (*handle)->next;
1973
1974 while (entry && entry->value != val)
1975 entry = entry->next;
1976
1977 *handle = entry;
1978 if (!entry)
1979 return ERROR_NO_MORE_ITEMS;
1980
1981 *row = entry->row;
1982
1983 return ERROR_SUCCESS;
1984 }
1985
1986 static UINT TABLE_add_ref(struct tagMSIVIEW *view)
1987 {
1988 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1989 UINT i;
1990
1991 TRACE("%p %d\n", view, tv->table->ref_count);
1992
1993 for (i = 0; i < tv->table->col_count; i++)
1994 {
1995 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
1996 InterlockedIncrement(&tv->table->colinfo[i].ref_count);
1997 }
1998
1999 return InterlockedIncrement(&tv->table->ref_count);
2000 }
2001
2002 static UINT TABLE_remove_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number)
2003 {
2004 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2005 MSIRECORD *rec = NULL;
2006 MSIVIEW *columns = NULL;
2007 UINT row, r;
2008
2009 rec = MSI_CreateRecord(2);
2010 if (!rec)
2011 return ERROR_OUTOFMEMORY;
2012
2013 MSI_RecordSetStringW(rec, 1, table);
2014 MSI_RecordSetInteger(rec, 2, number);
2015
2016 r = TABLE_CreateView(tv->db, szColumns, &columns);
2017 if (r != ERROR_SUCCESS)
2018 return r;
2019
2020 r = msi_table_find_row((MSITABLEVIEW *)columns, rec, &row);
2021 if (r != ERROR_SUCCESS)
2022 goto done;
2023
2024 r = TABLE_delete_row(columns, row);
2025 if (r != ERROR_SUCCESS)
2026 goto done;
2027
2028 msi_update_table_columns(tv->db, table);
2029
2030 done:
2031 msiobj_release(&rec->hdr);
2032 columns->ops->delete(columns);
2033 return r;
2034 }
2035
2036 static UINT TABLE_release(struct tagMSIVIEW *view)
2037 {
2038 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2039 INT ref = tv->table->ref_count;
2040 UINT i, r;
2041
2042 TRACE("%p %d\n", view, ref);
2043
2044 for (i = 0; i < tv->table->col_count; i++)
2045 {
2046 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
2047 {
2048 ref = InterlockedDecrement(&tv->table->colinfo[i].ref_count);
2049 if (ref == 0)
2050 {
2051 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
2052 tv->table->colinfo[i].number);
2053 if (r != ERROR_SUCCESS)
2054 break;
2055 }
2056 }
2057 }
2058
2059 ref = InterlockedDecrement(&tv->table->ref_count);
2060 if (ref == 0)
2061 {
2062 if (!tv->table->row_count)
2063 {
2064 list_remove(&tv->table->entry);
2065 free_table(tv->table);
2066 TABLE_delete(view);
2067 }
2068 }
2069
2070 return ref;
2071 }
2072
2073 static UINT TABLE_add_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number,
2074 LPCWSTR column, UINT type, BOOL hold)
2075 {
2076 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2077 MSITABLE *msitable;
2078 MSIRECORD *rec;
2079 UINT r, i;
2080
2081 rec = MSI_CreateRecord(4);
2082 if (!rec)
2083 return ERROR_OUTOFMEMORY;
2084
2085 MSI_RecordSetStringW(rec, 1, table);
2086 MSI_RecordSetInteger(rec, 2, number);
2087 MSI_RecordSetStringW(rec, 3, column);
2088 MSI_RecordSetInteger(rec, 4, type);
2089
2090 r = TABLE_insert_row(&tv->view, rec, -1, FALSE);
2091 if (r != ERROR_SUCCESS)
2092 goto done;
2093
2094 msi_update_table_columns(tv->db, table);
2095
2096 if (!hold)
2097 goto done;
2098
2099 msitable = find_cached_table(tv->db, table);
2100 for (i = 0; i < msitable->col_count; i++)
2101 {
2102 if (!strcmpW( msitable->colinfo[i].colname, column ))
2103 {
2104 InterlockedIncrement(&msitable->colinfo[i].ref_count);
2105 break;
2106 }
2107 }
2108
2109 done:
2110 msiobj_release(&rec->hdr);
2111 return r;
2112 }
2113
2114 static UINT order_add_column(struct tagMSIVIEW *view, MSIORDERINFO *order, LPCWSTR name)
2115 {
2116 UINT n, r, count;
2117 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2118
2119 r = TABLE_get_dimensions(view, NULL, &count);
2120 if (r != ERROR_SUCCESS)
2121 return r;
2122
2123 if (order->num_cols >= count)
2124 return ERROR_FUNCTION_FAILED;
2125
2126 r = VIEW_find_column(view, name, tv->name, &n);
2127 if (r != ERROR_SUCCESS)
2128 return r;
2129
2130 order->cols[order->num_cols] = n;
2131 TRACE("Ordering by column %s (%d)\n", debugstr_w(name), n);
2132
2133 order->num_cols++;
2134
2135 return ERROR_SUCCESS;
2136 }
2137
2138 static UINT order_compare(struct tagMSIVIEW *view, MSIORDERINFO *order,
2139 UINT a, UINT b, UINT *swap)
2140 {
2141 UINT r, i, a_val = 0, b_val = 0;
2142
2143 *swap = 0;
2144 for (i = 0; i < order->num_cols; i++)
2145 {
2146 r = TABLE_fetch_int(view, a, order->cols[i], &a_val);
2147 if (r != ERROR_SUCCESS)
2148 return r;
2149
2150 r = TABLE_fetch_int(view, b, order->cols[i], &b_val);
2151 if (r != ERROR_SUCCESS)
2152 return r;
2153
2154 if (a_val != b_val)
2155 {
2156 if (a_val > b_val)
2157 *swap = 1;
2158 break;
2159 }
2160 }
2161
2162 return ERROR_SUCCESS;
2163 }
2164
2165 static UINT order_mergesort(struct tagMSIVIEW *view, MSIORDERINFO *order,
2166 UINT left, UINT right)
2167 {
2168 UINT r, i, j, temp;
2169 UINT swap = 0, center = (left + right) / 2;
2170 UINT *array = order->reorder;
2171
2172 if (left == right)
2173 return ERROR_SUCCESS;
2174
2175 /* sort the left half */
2176 r = order_mergesort(view, order, left, center);
2177 if (r != ERROR_SUCCESS)
2178 return r;
2179
2180 /* sort the right half */
2181 r = order_mergesort(view, order, center + 1, right);
2182 if (r != ERROR_SUCCESS)
2183 return r;
2184
2185 for (i = left, j = center + 1; (i <= center) && (j <= right); i++)
2186 {
2187 r = order_compare(view, order, array[i], array[j], &swap);
2188 if (r != ERROR_SUCCESS)
2189 return r;
2190
2191 if (swap)
2192 {
2193 temp = array[j];
2194 memmove(&array[i + 1], &array[i], (j - i) * sizeof(UINT));
2195 array[i] = temp;
2196 j++;
2197 center++;
2198 }
2199 }
2200
2201 return ERROR_SUCCESS;
2202 }
2203
2204 static UINT order_verify(struct tagMSIVIEW *view, MSIORDERINFO *order, UINT num_rows)
2205 {
2206 UINT i, swap, r;
2207
2208 for (i = 1; i < num_rows; i++)
2209 {
2210 r = order_compare(view, order, order->reorder[i - 1],
2211 order->reorder[i], &swap);
2212 if (r != ERROR_SUCCESS)
2213 return r;
2214
2215 if (!swap)
2216 continue;
2217
2218 ERR("Bad order! %d\n", i);
2219 return ERROR_FUNCTION_FAILED;
2220 }
2221
2222 return ERROR_SUCCESS;
2223 }
2224
2225 static UINT TABLE_sort(struct tagMSIVIEW *view, column_info *columns)
2226 {
2227 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
2228 MSIORDERINFO *order;
2229 column_info *ptr;
2230 UINT r, i;
2231 UINT rows, cols;
2232
2233 TRACE("sorting table %s\n", debugstr_w(tv->name));
2234
2235 r = TABLE_get_dimensions(view, &rows, &cols);
2236 if (r != ERROR_SUCCESS)
2237 return r;
2238
2239 if (rows == 0)
2240 return ERROR_SUCCESS;
2241
2242 order = msi_alloc_zero(sizeof(MSIORDERINFO) + sizeof(UINT) * cols);
2243 if (!order)
2244 return ERROR_OUTOFMEMORY;
2245
2246 for (ptr = columns; ptr; ptr = ptr->next)
2247 order_add_column(view, order, ptr->column);
2248
2249 order->reorder = msi_alloc(rows * sizeof(UINT));
2250 if (!order->reorder)
2251 return ERROR_OUTOFMEMORY;
2252
2253 for (i = 0; i < rows; i++)
2254 order->reorder[i] = i;
2255
2256 r = order_mergesort(view, order, 0, rows - 1);
2257 if (r != ERROR_SUCCESS)
2258 return r;
2259
2260 r = order_verify(view, order, rows);
2261 if (r != ERROR_SUCCESS)
2262 return r;
2263
2264 tv->order = order;
2265
2266 return ERROR_SUCCESS;
2267 }
2268
2269 static UINT TABLE_drop(struct tagMSIVIEW *view)
2270 {
2271 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2272 MSIVIEW *tables = NULL;
2273 MSIRECORD *rec = NULL;
2274 UINT r, row;
2275 INT i;
2276
2277 TRACE("dropping table %s\n", debugstr_w(tv->name));
2278
2279 for (i = tv->table->col_count - 1; i >= 0; i--)
2280 {
2281 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
2282 tv->table->colinfo[i].number);
2283 if (r != ERROR_SUCCESS)
2284 return r;
2285 }
2286
2287 rec = MSI_CreateRecord(1);
2288 if (!rec)
2289 return ERROR_OUTOFMEMORY;
2290
2291 MSI_RecordSetStringW(rec, 1, tv->name);
2292
2293 r = TABLE_CreateView(tv->db, szTables, &tables);
2294 if (r != ERROR_SUCCESS)
2295 return r;
2296
2297 r = msi_table_find_row((MSITABLEVIEW *)tables, rec, &row);
2298 if (r != ERROR_SUCCESS)
2299 goto done;
2300
2301 r = TABLE_delete_row(tables, row);
2302 if (r != ERROR_SUCCESS)
2303 goto done;
2304
2305 list_remove(&tv->table->entry);
2306 free_table(tv->table);
2307
2308 done:
2309 msiobj_release(&rec->hdr);
2310 tables->ops->delete(tables);
2311
2312 return r;
2313 }
2314
2315 static const MSIVIEWOPS table_ops =
2316 {
2317 TABLE_fetch_int,
2318 TABLE_fetch_stream,
2319 TABLE_get_row,
2320 TABLE_set_row,
2321 TABLE_insert_row,
2322 TABLE_delete_row,
2323 TABLE_execute,
2324 TABLE_close,
2325 TABLE_get_dimensions,
2326 TABLE_get_column_info,
2327 TABLE_modify,
2328 TABLE_delete,
2329 TABLE_find_matching_rows,
2330 TABLE_add_ref,
2331 TABLE_release,
2332 TABLE_add_column,
2333 TABLE_remove_column,
2334 TABLE_sort,
2335 TABLE_drop,
2336 };
2337
2338 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
2339 {
2340 MSITABLEVIEW *tv ;
2341 UINT r, sz;
2342
2343 TRACE("%p %s %p\n", db, debugstr_w(name), view );
2344
2345 if ( !strcmpW( name, szStreams ) )
2346 return STREAMS_CreateView( db, view );
2347 else if ( !strcmpW( name, szStorages ) )
2348 return STORAGES_CreateView( db, view );
2349
2350 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
2351 tv = msi_alloc_zero( sz );
2352 if( !tv )
2353 return ERROR_FUNCTION_FAILED;
2354
2355 r = get_table( db, name, &tv->table );
2356 if( r != ERROR_SUCCESS )
2357 {
2358 msi_free( tv );
2359 WARN("table not found\n");
2360 return r;
2361 }
2362
2363 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
2364
2365 /* fill the structure */
2366 tv->view.ops = &table_ops;
2367 tv->db = db;
2368 tv->columns = tv->table->colinfo;
2369 tv->num_cols = tv->table->col_count;
2370 tv->row_size = msi_table_get_row_size( db, tv->table->colinfo, tv->table->col_count, LONG_STR_BYTES );
2371
2372 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
2373
2374 *view = (MSIVIEW*) tv;
2375 lstrcpyW( tv->name, name );
2376
2377 return ERROR_SUCCESS;
2378 }
2379
2380 UINT MSI_CommitTables( MSIDATABASE *db )
2381 {
2382 UINT r, bytes_per_strref;
2383 HRESULT hr;
2384 MSITABLE *table = NULL;
2385
2386 TRACE("%p\n",db);
2387
2388 r = msi_save_string_table( db->strings, db->storage, &bytes_per_strref );
2389 if( r != ERROR_SUCCESS )
2390 {
2391 WARN("failed to save string table r=%08x\n",r);
2392 return r;
2393 }
2394
2395 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
2396 {
2397 r = save_table( db, table, bytes_per_strref );
2398 if( r != ERROR_SUCCESS )
2399 {
2400 WARN("failed to save table %s (r=%08x)\n",
2401 debugstr_w(table->name), r);
2402 return r;
2403 }
2404 }
2405
2406 /* force everything to reload next time */
2407 free_cached_tables( db );
2408
2409 hr = IStorage_Commit( db->storage, 0 );
2410 if (FAILED( hr ))
2411 {
2412 WARN("failed to commit changes 0x%08x\n", hr);
2413 r = ERROR_FUNCTION_FAILED;
2414 }
2415 return r;
2416 }
2417
2418 MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table )
2419 {
2420 MSITABLE *t;
2421 UINT r;
2422
2423 TRACE("%p %s\n", db, debugstr_w(table));
2424
2425 if (!table)
2426 return MSICONDITION_ERROR;
2427
2428 r = get_table( db, table, &t );
2429 if (r != ERROR_SUCCESS)
2430 return MSICONDITION_NONE;
2431
2432 return t->persistent;
2433 }
2434
2435 static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes)
2436 {
2437 UINT ret = 0, i;
2438
2439 for (i = 0; i < bytes; i++)
2440 ret += (data[col + i] << i * 8);
2441
2442 return ret;
2443 }
2444
2445 static UINT msi_record_encoded_stream_name( const MSITABLEVIEW *tv, MSIRECORD *rec, LPWSTR *pstname )
2446 {
2447 LPWSTR stname = NULL, sval, p;
2448 DWORD len;
2449 UINT i, r;
2450
2451 TRACE("%p %p\n", tv, rec);
2452
2453 len = lstrlenW( tv->name ) + 1;
2454 stname = msi_alloc( len*sizeof(WCHAR) );
2455 if ( !stname )
2456 {
2457 r = ERROR_OUTOFMEMORY;
2458 goto err;
2459 }
2460
2461 lstrcpyW( stname, tv->name );
2462
2463 for ( i = 0; i < tv->num_cols; i++ )
2464 {
2465 if ( tv->columns[i].type & MSITYPE_KEY )
2466 {
2467 sval = msi_dup_record_field( rec, i + 1 );
2468 if ( !sval )
2469 {
2470 r = ERROR_OUTOFMEMORY;
2471 goto err;
2472 }
2473
2474 len += lstrlenW( szDot ) + lstrlenW ( sval );
2475 p = msi_realloc ( stname, len*sizeof(WCHAR) );
2476 if ( !p )
2477 {
2478 r = ERROR_OUTOFMEMORY;
2479 goto err;
2480 }
2481 stname = p;
2482
2483 lstrcatW( stname, szDot );
2484 lstrcatW( stname, sval );
2485
2486 msi_free( sval );
2487 }
2488 else
2489 continue;
2490 }
2491
2492 *pstname = encode_streamname( FALSE, stname );
2493 msi_free( stname );
2494
2495 return ERROR_SUCCESS;
2496
2497 err:
2498 msi_free ( stname );
2499 *pstname = NULL;
2500 return r;
2501 }
2502
2503 static MSIRECORD *msi_get_transform_record( const MSITABLEVIEW *tv, const string_table *st,
2504 IStorage *stg,
2505 const BYTE *rawdata, UINT bytes_per_strref )
2506 {
2507 UINT i, val, ofs = 0;
2508 USHORT mask;
2509 MSICOLUMNINFO *columns = tv->columns;
2510 MSIRECORD *rec;
2511
2512 mask = rawdata[0] | (rawdata[1] << 8);
2513 rawdata += 2;
2514
2515 rec = MSI_CreateRecord( tv->num_cols );
2516 if( !rec )
2517 return rec;
2518
2519 TRACE("row ->\n");
2520 for( i=0; i<tv->num_cols; i++ )
2521 {
2522 if ( (mask&1) && (i>=(mask>>8)) )
2523 break;
2524 /* all keys must be present */
2525 if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) )
2526 continue;
2527
2528 if( MSITYPE_IS_BINARY(tv->columns[i].type) )
2529 {
2530 LPWSTR encname;
2531 IStream *stm = NULL;
2532 UINT r;
2533
2534 ofs += bytes_per_column( tv->db, &columns[i], bytes_per_strref );
2535
2536 r = msi_record_encoded_stream_name( tv, rec, &encname );
2537 if ( r != ERROR_SUCCESS )
2538 return NULL;
2539
2540 r = IStorage_OpenStream( stg, encname, NULL,
2541 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm );
2542 msi_free( encname );
2543 if ( r != ERROR_SUCCESS )
2544 return NULL;
2545
2546 MSI_RecordSetStream( rec, i+1, stm );
2547 TRACE(" field %d [%s]\n", i+1, debugstr_w(encname));
2548 }
2549 else if( columns[i].type & MSITYPE_STRING )
2550 {
2551 LPCWSTR sval;
2552
2553 val = read_raw_int(rawdata, ofs, bytes_per_strref);
2554 sval = msi_string_lookup_id( st, val );
2555 MSI_RecordSetStringW( rec, i+1, sval );
2556 TRACE(" field %d [%s]\n", i+1, debugstr_w(sval));
2557 ofs += bytes_per_strref;
2558 }
2559 else
2560 {
2561 UINT n = bytes_per_column( tv->db, &columns[i], bytes_per_strref );
2562 switch( n )
2563 {
2564 case 2:
2565 val = read_raw_int(rawdata, ofs, n);
2566 if (val)
2567 MSI_RecordSetInteger( rec, i+1, val-0x8000 );
2568 TRACE(" field %d [0x%04x]\n", i+1, val );
2569 break;
2570 case 4:
2571 val = read_raw_int(rawdata, ofs, n);
2572 if (val)
2573 MSI_RecordSetInteger( rec, i+1, val^0x80000000 );
2574 TRACE(" field %d [0x%08x]\n", i+1, val );
2575 break;
2576 default:
2577 ERR("oops - unknown column width %d\n", n);
2578 break;
2579 }
2580 ofs += n;
2581 }
2582 }
2583 return rec;
2584 }
2585
2586 static void dump_record( MSIRECORD *rec )
2587 {
2588 UINT i, n;
2589
2590 n = MSI_RecordGetFieldCount( rec );
2591 for( i=1; i<=n; i++ )
2592 {
2593 LPCWSTR sval;
2594
2595 if( MSI_RecordIsNull( rec, i ) )
2596 TRACE("row -> []\n");
2597 else if( (sval = MSI_RecordGetString( rec, i )) )
2598 TRACE("row -> [%s]\n", debugstr_w(sval));
2599 else
2600 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) );
2601 }
2602 }
2603
2604 static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize )
2605 {
2606 LPCWSTR sval;
2607 UINT i;
2608
2609 for( i=0; i<(rawsize/2); i++ )
2610 {
2611 sval = msi_string_lookup_id( st, rawdata[i] );
2612 MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) );
2613 }
2614 }
2615
2616 static UINT* msi_record_to_row( const MSITABLEVIEW *tv, MSIRECORD *rec )
2617 {
2618 LPCWSTR str;
2619 UINT i, r, *data;
2620
2621 data = msi_alloc( tv->num_cols *sizeof (UINT) );
2622 for( i=0; i<tv->num_cols; i++ )
2623 {
2624 data[i] = 0;
2625
2626 if ( ~tv->columns[i].type & MSITYPE_KEY )
2627 continue;
2628
2629 /* turn the transform column value into a row value */
2630 if ( ( tv->columns[i].type & MSITYPE_STRING ) &&
2631 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2632 {
2633 str = MSI_RecordGetString( rec, i+1 );
2634 if (str)
2635 {
2636 r = msi_string2idW( tv->db->strings, str, &data[i] );
2637
2638 /* if there's no matching string in the string table,
2639 these keys can't match any record, so fail now. */
2640 if (r != ERROR_SUCCESS)
2641 {
2642 msi_free( data );
2643 return NULL;
2644 }
2645 }
2646 else data[i] = 0;
2647 }
2648 else
2649 {
2650 data[i] = MSI_RecordGetInteger( rec, i+1 );
2651
2652 if (data[i] == MSI_NULL_INTEGER)
2653 data[i] = 0;
2654 else if ((tv->columns[i].type&0xff) == 2)
2655 data[i] += 0x8000;
2656 else
2657 data[i] += 0x80000000;
2658 }
2659 }
2660 return data;
2661 }
2662
2663 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data )
2664 {
2665 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
2666
2667 for( i=0; i<tv->num_cols; i++ )
2668 {
2669 if ( ~tv->columns[i].type & MSITYPE_KEY )
2670 continue;
2671
2672 /* turn the transform column value into a row value */
2673 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
2674 if ( r != ERROR_SUCCESS )
2675 {
2676 ERR("TABLE_fetch_int shouldn't fail here\n");
2677 break;
2678 }
2679
2680 /* if this key matches, move to the next column */
2681 if ( x != data[i] )
2682 {
2683 ret = ERROR_FUNCTION_FAILED;
2684 break;
2685 }
2686
2687 ret = ERROR_SUCCESS;
2688 }
2689
2690 return ret;
2691 }
2692
2693 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
2694 {
2695 UINT i, r = ERROR_FUNCTION_FAILED, *data;
2696
2697 data = msi_record_to_row( tv, rec );
2698 if( !data )
2699 return r;
2700 for( i = 0; i < tv->table->row_count; i++ )
2701 {
2702 r = msi_row_matches( tv, i, data );
2703 if( r == ERROR_SUCCESS )
2704 {
2705 *row = i;
2706 break;
2707 }
2708 }
2709 msi_free( data );
2710 return r;
2711 }
2712
2713 typedef struct
2714 {
2715 struct list entry;
2716 LPWSTR name;
2717 } TRANSFORMDATA;
2718
2719 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
2720 string_table *st, TRANSFORMDATA *transform,
2721 UINT bytes_per_strref )
2722 {
2723 UINT rawsize = 0;
2724 BYTE *rawdata = NULL;
2725 MSITABLEVIEW *tv = NULL;
2726 UINT r, n, sz, i, mask;
2727 MSIRECORD *rec = NULL;
2728 UINT colcol = 0;
2729 WCHAR coltable[32];
2730 LPWSTR name;
2731
2732 if (!transform)
2733 return ERROR_SUCCESS;
2734
2735 name = transform->name;
2736
2737 coltable[0] = 0;
2738 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
2739
2740 /* read the transform data */
2741 read_stream_data( stg, name, TRUE, &rawdata, &rawsize );
2742 if ( !rawdata )
2743 {
2744 TRACE("table %s empty\n", debugstr_w(name) );
2745 return ERROR_INVALID_TABLE;
2746 }
2747
2748 /* create a table view */
2749 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
2750 if( r != ERROR_SUCCESS )
2751 goto err;
2752
2753 r = tv->view.ops->execute( &tv->view, NULL );
2754 if( r != ERROR_SUCCESS )
2755 goto err;
2756
2757 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2758 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
2759
2760 /* interpret the data */
2761 r = ERROR_SUCCESS;
2762 for( n=0; n < rawsize; )
2763 {
2764 mask = rawdata[n] | (rawdata[n+1] << 8);
2765
2766 if (mask&1)
2767 {
2768 /*
2769 * if the low bit is set, columns are continuous and
2770 * the number of columns is specified in the high byte
2771 */
2772 sz = 2;
2773 for( i=0; i<tv->num_cols; i++ )
2774 {
2775 if( (tv->columns[i].type & MSITYPE_STRING) &&
2776 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2777 sz += bytes_per_strref;
2778 else
2779 sz += bytes_per_column( tv->db, &tv->columns[i], bytes_per_strref );
2780 }
2781 }
2782 else
2783 {
2784 /*
2785 * If the low bit is not set, mask is a bitmask.
2786 * Excepting for key fields, which are always present,
2787 * each bit indicates that a field is present in the transform record.
2788 *
2789 * mask == 0 is a special case ... only the keys will be present
2790 * and it means that this row should be deleted.
2791 */
2792 sz = 2;
2793 for( i=0; i<tv->num_cols; i++ )
2794 {
2795 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
2796 {
2797 if( (tv->columns[i].type & MSITYPE_STRING) &&
2798 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2799 sz += bytes_per_strref;
2800 else
2801 sz += bytes_per_column( tv->db, &tv->columns[i], bytes_per_strref );
2802 }
2803 }
2804 }
2805
2806 /* check we didn't run of the end of the table */
2807 if ( (n+sz) > rawsize )
2808 {
2809 ERR("borked.\n");
2810 dump_table( st, (USHORT *)rawdata, rawsize );
2811 break;
2812 }
2813
2814 rec = msi_get_transform_record( tv, st, stg, &rawdata[n], bytes_per_strref );
2815 if (rec)
2816 {
2817 WCHAR table[32];
2818 DWORD sz = 32;
2819 UINT number = MSI_NULL_INTEGER;
2820 UINT row = 0;
2821
2822 if (!strcmpW( name, szColumns ))
2823 {
2824 MSI_RecordGetStringW( rec, 1, table, &sz );
2825 number = MSI_RecordGetInteger( rec, 2 );
2826
2827 /*
2828 * Native msi seems writes nul into the Number (2nd) column of
2829 * the _Columns table, only when the columns are from a new table
2830 */
2831 if ( number == MSI_NULL_INTEGER )
2832 {
2833 /* reset the column number on a new table */
2834 if (strcmpW( coltable, table ))
2835 {
2836 colcol = 0;
2837 lstrcpyW( coltable, table );
2838 }
2839
2840 /* fix nul column numbers */
2841 MSI_RecordSetInteger( rec, 2, ++colcol );
2842 }
2843 }
2844
2845 if (TRACE_ON(msidb)) dump_record( rec );
2846
2847 r = msi_table_find_row( tv, rec, &row );
2848 if (r == ERROR_SUCCESS)
2849 {
2850 if (!mask)
2851 {
2852 TRACE("deleting row [%d]:\n", row);
2853 r = TABLE_delete_row( &tv->view, row );
2854 if (r != ERROR_SUCCESS)
2855 WARN("failed to delete row %u\n", r);
2856 }
2857 else if (mask & 1)
2858 {
2859 TRACE("modifying full row [%d]:\n", row);
2860 r = TABLE_set_row( &tv->view, row, rec, (1 << tv->num_cols) - 1 );
2861 if (r != ERROR_SUCCESS)
2862 WARN("failed to modify row %u\n", r);
2863 }
2864 else
2865 {
2866 TRACE("modifying masked row [%d]:\n", row);
2867 r = TABLE_set_row( &tv->view, row, rec, mask );
2868 if (r != ERROR_SUCCESS)
2869 WARN("failed to modify row %u\n", r);
2870 }
2871 }
2872 else
2873 {
2874 TRACE("inserting row\n");
2875 r = TABLE_insert_row( &tv->view, rec, -1, FALSE );
2876 if (r != ERROR_SUCCESS)
2877 WARN("failed to insert row %u\n", r);
2878 }
2879
2880 if (number != MSI_NULL_INTEGER && !strcmpW( name, szColumns ))
2881 msi_update_table_columns( db, table );
2882
2883 msiobj_release( &rec->hdr );
2884 }
2885
2886 n += sz;
2887 }
2888
2889 err:
2890 /* no need to free the table, it's associated with the database */
2891 msi_free( rawdata );
2892 if( tv )
2893 tv->view.ops->delete( &tv->view );
2894
2895 return ERROR_SUCCESS;
2896 }
2897
2898 /*
2899 * msi_table_apply_transform
2900 *
2901 * Enumerate the table transforms in a transform storage and apply each one.
2902 */
2903 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2904 {
2905 struct list transforms;
2906 IEnumSTATSTG *stgenum = NULL;
2907 TRANSFORMDATA *transform;
2908 TRANSFORMDATA *tables = NULL, *columns = NULL;
2909 HRESULT r;
2910 STATSTG stat;
2911 string_table *strings;
2912 UINT ret = ERROR_FUNCTION_FAILED;
2913 UINT bytes_per_strref;
2914
2915 TRACE("%p %p\n", db, stg );
2916
2917 strings = msi_load_string_table( stg, &bytes_per_strref );
2918 if( !strings )
2919 goto end;
2920
2921 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2922 if( FAILED( r ) )
2923 goto end;
2924
2925 list_init(&transforms);
2926
2927 while ( TRUE )
2928 {
2929 MSITABLEVIEW *tv = NULL;
2930 WCHAR name[0x40];
2931 ULONG count = 0;
2932
2933 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2934 if ( FAILED( r ) || !count )
2935 break;
2936
2937 decode_streamname( stat.pwcsName, name );
2938 CoTaskMemFree( stat.pwcsName );
2939 if ( name[0] != 0x4840 )
2940 continue;
2941
2942 if ( !strcmpW( name+1, szStringPool ) ||
2943 !strcmpW( name+1, szStringData ) )
2944 continue;
2945
2946 transform = msi_alloc_zero( sizeof(TRANSFORMDATA) );
2947 if ( !transform )
2948 break;
2949
2950 list_add_tail( &transforms, &transform->entry );
2951
2952 transform->name = strdupW( name + 1 );
2953
2954 if ( !strcmpW( transform->name, szTables ) )
2955 tables = transform;
2956 else if (!strcmpW( transform->name, szColumns ) )
2957 columns = transform;
2958
2959 TRACE("transform contains stream %s\n", debugstr_w(name));
2960
2961 /* load the table */
2962 r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv );
2963 if( r != ERROR_SUCCESS )
2964 continue;
2965
2966 r = tv->view.ops->execute( &tv->view, NULL );
2967 if( r != ERROR_SUCCESS )
2968 {
2969 tv->view.ops->delete( &tv->view );
2970 continue;
2971 }
2972
2973 tv->view.ops->delete( &tv->view );
2974 }
2975
2976 /*
2977 * Apply _Tables and _Columns transforms first so that
2978 * the table metadata is correct, and empty tables exist.
2979 */
2980 ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref );
2981 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2982 goto end;
2983
2984 ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref );
2985 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2986 goto end;
2987
2988 ret = ERROR_SUCCESS;
2989
2990 while ( !list_empty( &transforms ) )
2991 {
2992 transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry );
2993
2994 if ( strcmpW( transform->name, szColumns ) &&
2995 strcmpW( transform->name, szTables ) &&
2996 ret == ERROR_SUCCESS )
2997 {
2998 ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref );
2999 }
3000
3001 list_remove( &transform->entry );
3002 msi_free( transform->name );
3003 msi_free( transform );
3004 }
3005
3006 if ( ret == ERROR_SUCCESS )
3007 append_storage_to_db( db, stg );
3008
3009 end:
3010 if ( stgenum )
3011 IEnumSTATSTG_Release( stgenum );
3012 if ( strings )
3013 msi_destroy_stringtable( strings );
3014
3015 return ret;
3016 }
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