35f797975a69166fad1ccabc3f00c4a72eac0f27
[reactos.git] / reactos / dll / win32 / msi / table.c
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 #define LONG_STR_BYTES 3
46
47 typedef struct tagMSICOLUMNHASHENTRY
48 {
49 struct tagMSICOLUMNHASHENTRY *next;
50 UINT value;
51 UINT row;
52 } MSICOLUMNHASHENTRY;
53
54 typedef struct tagMSICOLUMNINFO
55 {
56 LPWSTR tablename;
57 UINT number;
58 LPWSTR colname;
59 UINT type;
60 UINT offset;
61 INT ref_count;
62 BOOL temporary;
63 MSICOLUMNHASHENTRY **hash_table;
64 } MSICOLUMNINFO;
65
66 typedef struct tagMSIORDERINFO
67 {
68 UINT *reorder;
69 UINT num_cols;
70 UINT cols[1];
71 } MSIORDERINFO;
72
73 struct tagMSITABLE
74 {
75 BYTE **data;
76 BOOL *data_persistent;
77 UINT row_count;
78 struct list entry;
79 MSICOLUMNINFO *colinfo;
80 UINT col_count;
81 MSICONDITION persistent;
82 INT ref_count;
83 WCHAR name[1];
84 };
85
86 typedef struct tagMSITRANSFORM {
87 struct list entry;
88 IStorage *stg;
89 } MSITRANSFORM;
90
91 static const WCHAR szStringData[] = {
92 '_','S','t','r','i','n','g','D','a','t','a',0 };
93 static const WCHAR szStringPool[] = {
94 '_','S','t','r','i','n','g','P','o','o','l',0 };
95
96 /* information for default tables */
97 static WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
98 static WCHAR szTable[] = { 'T','a','b','l','e',0 };
99 static WCHAR szName[] = { 'N','a','m','e',0 };
100 static WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
101 static WCHAR szNumber[] = { 'N','u','m','b','e','r',0 };
102 static WCHAR szType[] = { 'T','y','p','e',0 };
103
104 static const MSICOLUMNINFO _Columns_cols[4] = {
105 { szColumns, 1, szTable, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL },
106 { szColumns, 2, szNumber, MSITYPE_VALID | MSITYPE_KEY | 2, 2, 0, 0, NULL },
107 { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4, 0, 0, NULL },
108 { szColumns, 4, szType, MSITYPE_VALID | 2, 6, 0, 0, NULL },
109 };
110
111 static const MSICOLUMNINFO _Tables_cols[1] = {
112 { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL },
113 };
114
115 #define MAX_STREAM_NAME 0x1f
116
117 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
118 MSICOLUMNINFO **pcols, UINT *pcount );
119 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo,
120 DWORD count );
121 static UINT get_tablecolumns( MSIDATABASE *db,
122 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
123 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
124
125 static inline UINT bytes_per_column( MSIDATABASE *db, const MSICOLUMNINFO *col )
126 {
127 if( MSITYPE_IS_BINARY(col->type) )
128 return 2;
129
130 if( col->type & MSITYPE_STRING )
131 return db->bytes_per_strref;
132
133 if( (col->type & 0xff) <= 2)
134 return 2;
135
136 if( (col->type & 0xff) != 4 )
137 ERR("Invalid column size!\n");
138
139 return 4;
140 }
141
142 static int utf2mime(int x)
143 {
144 if( (x>='0') && (x<='9') )
145 return x-'0';
146 if( (x>='A') && (x<='Z') )
147 return x-'A'+10;
148 if( (x>='a') && (x<='z') )
149 return x-'a'+10+26;
150 if( x=='.' )
151 return 10+26+26;
152 if( x=='_' )
153 return 10+26+26+1;
154 return -1;
155 }
156
157 static LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
158 {
159 DWORD count = MAX_STREAM_NAME;
160 DWORD ch, next;
161 LPWSTR out, p;
162
163 if( !bTable )
164 count = lstrlenW( in )+2;
165 out = msi_alloc( count*sizeof(WCHAR) );
166 p = out;
167
168 if( bTable )
169 {
170 *p++ = 0x4840;
171 count --;
172 }
173 while( count -- )
174 {
175 ch = *in++;
176 if( !ch )
177 {
178 *p = ch;
179 return out;
180 }
181 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
182 {
183 ch = utf2mime(ch) + 0x4800;
184 next = *in;
185 if( next && (next<0x80) )
186 {
187 next = utf2mime(next);
188 if( next != -1 )
189 {
190 next += 0x3ffffc0;
191 ch += (next<<6);
192 in++;
193 }
194 }
195 }
196 *p++ = ch;
197 }
198 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
199 msi_free( out );
200 return NULL;
201 }
202
203 static int mime2utf(int x)
204 {
205 if( x<10 )
206 return x + '0';
207 if( x<(10+26))
208 return x - 10 + 'A';
209 if( x<(10+26+26))
210 return x - 10 - 26 + 'a';
211 if( x == (10+26+26) )
212 return '.';
213 return '_';
214 }
215
216 BOOL decode_streamname(LPCWSTR in, LPWSTR out)
217 {
218 WCHAR ch;
219 DWORD count = 0;
220
221 while ( (ch = *in++) )
222 {
223 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
224 {
225 if( ch >= 0x4800 )
226 ch = mime2utf(ch-0x4800);
227 else
228 {
229 ch -= 0x3800;
230 *out++ = mime2utf(ch&0x3f);
231 count++;
232 ch = mime2utf((ch>>6)&0x3f);
233 }
234 }
235 *out++ = ch;
236 count++;
237 }
238 *out = 0;
239 return count;
240 }
241
242 void enum_stream_names( IStorage *stg )
243 {
244 IEnumSTATSTG *stgenum = NULL;
245 HRESULT r;
246 STATSTG stat;
247 ULONG n, count;
248 WCHAR name[0x40];
249
250 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
251 if( FAILED( r ) )
252 return;
253
254 n = 0;
255 while( 1 )
256 {
257 count = 0;
258 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
259 if( FAILED( r ) || !count )
260 break;
261 decode_streamname( stat.pwcsName, name );
262 TRACE("stream %2d -> %s %s\n", n,
263 debugstr_w(stat.pwcsName), debugstr_w(name) );
264 CoTaskMemFree( stat.pwcsName );
265 n++;
266 }
267
268 IEnumSTATSTG_Release( stgenum );
269 }
270
271 UINT read_stream_data( IStorage *stg, LPCWSTR stname, BOOL table,
272 BYTE **pdata, UINT *psz )
273 {
274 HRESULT r;
275 UINT ret = ERROR_FUNCTION_FAILED;
276 VOID *data;
277 ULONG sz, count;
278 IStream *stm = NULL;
279 STATSTG stat;
280 LPWSTR encname;
281
282 encname = encode_streamname(table, stname);
283
284 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
285
286 r = IStorage_OpenStream(stg, encname, NULL,
287 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
288 msi_free( encname );
289 if( FAILED( r ) )
290 {
291 WARN("open stream failed r = %08x - empty table?\n", r);
292 return ret;
293 }
294
295 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
296 if( FAILED( r ) )
297 {
298 WARN("open stream failed r = %08x!\n", r);
299 goto end;
300 }
301
302 if( stat.cbSize.QuadPart >> 32 )
303 {
304 WARN("Too big!\n");
305 goto end;
306 }
307
308 sz = stat.cbSize.QuadPart;
309 data = msi_alloc( sz );
310 if( !data )
311 {
312 WARN("couldn't allocate memory r=%08x!\n", r);
313 ret = ERROR_NOT_ENOUGH_MEMORY;
314 goto end;
315 }
316
317 r = IStream_Read(stm, data, sz, &count );
318 if( FAILED( r ) || ( count != sz ) )
319 {
320 msi_free( data );
321 WARN("read stream failed r = %08x!\n", r);
322 goto end;
323 }
324
325 *pdata = data;
326 *psz = sz;
327 ret = ERROR_SUCCESS;
328
329 end:
330 IStream_Release( stm );
331
332 return ret;
333 }
334
335 static UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm )
336 {
337 LPWSTR encname;
338 HRESULT r;
339
340 encname = encode_streamname(FALSE, stname);
341
342 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
343
344 r = IStorage_OpenStream(db->storage, encname, NULL,
345 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm);
346 if( FAILED( r ) )
347 {
348 MSITRANSFORM *transform;
349
350 LIST_FOR_EACH_ENTRY( transform, &db->transforms, MSITRANSFORM, entry )
351 {
352 TRACE("looking for %s in transform storage\n", debugstr_w(stname) );
353 r = IStorage_OpenStream( transform->stg, encname, NULL,
354 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm );
355 if (SUCCEEDED(r))
356 break;
357 }
358 }
359
360 msi_free( encname );
361
362 return SUCCEEDED(r) ? ERROR_SUCCESS : ERROR_FUNCTION_FAILED;
363 }
364
365 UINT read_raw_stream_data( MSIDATABASE *db, LPCWSTR stname,
366 USHORT **pdata, UINT *psz )
367 {
368 HRESULT r;
369 UINT ret = ERROR_FUNCTION_FAILED;
370 VOID *data;
371 ULONG sz, count;
372 IStream *stm = NULL;
373 STATSTG stat;
374
375 r = db_get_raw_stream( db, stname, &stm );
376 if( r != ERROR_SUCCESS)
377 return ret;
378 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
379 if( FAILED( r ) )
380 {
381 WARN("open stream failed r = %08x!\n", r);
382 goto end;
383 }
384
385 if( stat.cbSize.QuadPart >> 32 )
386 {
387 WARN("Too big!\n");
388 goto end;
389 }
390
391 sz = stat.cbSize.QuadPart;
392 data = msi_alloc( sz );
393 if( !data )
394 {
395 WARN("couldn't allocate memory r=%08x!\n", r);
396 ret = ERROR_NOT_ENOUGH_MEMORY;
397 goto end;
398 }
399
400 r = IStream_Read(stm, data, sz, &count );
401 if( FAILED( r ) || ( count != sz ) )
402 {
403 msi_free( data );
404 WARN("read stream failed r = %08x!\n", r);
405 goto end;
406 }
407
408 *pdata = data;
409 *psz = sz;
410 ret = ERROR_SUCCESS;
411
412 end:
413 IStream_Release( stm );
414
415 return ret;
416 }
417
418 UINT write_stream_data( IStorage *stg, LPCWSTR stname,
419 LPCVOID data, UINT sz, BOOL bTable )
420 {
421 HRESULT r;
422 UINT ret = ERROR_FUNCTION_FAILED;
423 ULONG count;
424 IStream *stm = NULL;
425 ULARGE_INTEGER size;
426 LARGE_INTEGER pos;
427 LPWSTR encname;
428
429 encname = encode_streamname(bTable, stname );
430 r = IStorage_OpenStream( stg, encname, NULL,
431 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
432 if( FAILED(r) )
433 {
434 r = IStorage_CreateStream( stg, encname,
435 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
436 }
437 msi_free( encname );
438 if( FAILED( r ) )
439 {
440 WARN("open stream failed r = %08x\n", r);
441 return ret;
442 }
443
444 size.QuadPart = sz;
445 r = IStream_SetSize( stm, size );
446 if( FAILED( r ) )
447 {
448 WARN("Failed to SetSize\n");
449 goto end;
450 }
451
452 pos.QuadPart = 0;
453 r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
454 if( FAILED( r ) )
455 {
456 WARN("Failed to Seek\n");
457 goto end;
458 }
459
460 if (sz)
461 {
462 r = IStream_Write(stm, data, sz, &count );
463 if( FAILED( r ) || ( count != sz ) )
464 {
465 WARN("Failed to Write\n");
466 goto end;
467 }
468 }
469
470 ret = ERROR_SUCCESS;
471
472 end:
473 IStream_Release( stm );
474
475 return ret;
476 }
477
478 static void free_table( MSITABLE *table )
479 {
480 UINT i;
481 for( i=0; i<table->row_count; i++ )
482 msi_free( table->data[i] );
483 msi_free( table->data );
484 msi_free( table->data_persistent );
485 msi_free_colinfo( table->colinfo, table->col_count );
486 msi_free( table->colinfo );
487 msi_free( table );
488 }
489
490 static UINT msi_table_get_row_size( MSIDATABASE *db,const MSICOLUMNINFO *cols,
491 UINT count )
492 {
493 const MSICOLUMNINFO *last_col = &cols[count-1];
494 if (!count)
495 return 0;
496 return last_col->offset + bytes_per_column( db, last_col );
497 }
498
499 /* add this table to the list of cached tables in the database */
500 static UINT read_table_from_storage( MSIDATABASE *db, MSITABLE *t, IStorage *stg )
501 {
502 BYTE *rawdata = NULL;
503 UINT rawsize = 0, i, j, row_size = 0;
504
505 TRACE("%s\n",debugstr_w(t->name));
506
507 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count );
508
509 /* if we can't read the table, just assume that it's empty */
510 read_stream_data( stg, t->name, TRUE, &rawdata, &rawsize );
511 if( !rawdata )
512 return ERROR_SUCCESS;
513
514 TRACE("Read %d bytes\n", rawsize );
515
516 if( rawsize % row_size )
517 {
518 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
519 goto err;
520 }
521
522 t->row_count = rawsize / row_size;
523 t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
524 if( !t->data )
525 goto err;
526 t->data_persistent = msi_alloc_zero( t->row_count * sizeof(BOOL));
527 if ( !t->data_persistent )
528 goto err;
529
530 /* transpose all the data */
531 TRACE("Transposing data from %d rows\n", t->row_count );
532 for( i=0; i<t->row_count; i++ )
533 {
534 t->data[i] = msi_alloc( row_size );
535 if( !t->data[i] )
536 goto err;
537 t->data_persistent[i] = TRUE;
538
539 for( j=0; j<t->col_count; j++ )
540 {
541 UINT ofs = t->colinfo[j].offset;
542 UINT n = bytes_per_column( db, &t->colinfo[j] );
543 UINT k;
544
545 if ( n != 2 && n != 3 && n != 4 )
546 {
547 ERR("oops - unknown column width %d\n", n);
548 goto err;
549 }
550
551 for ( k = 0; k < n; k++ )
552 t->data[i][ofs + k] = rawdata[ofs*t->row_count + i * n + k];
553 }
554 }
555
556 msi_free( rawdata );
557 return ERROR_SUCCESS;
558 err:
559 msi_free( rawdata );
560 return ERROR_FUNCTION_FAILED;
561 }
562
563 void free_cached_tables( MSIDATABASE *db )
564 {
565 while( !list_empty( &db->tables ) )
566 {
567 MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
568
569 list_remove( &t->entry );
570 free_table( t );
571 }
572 }
573
574 static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name )
575 {
576 MSITABLE *t;
577
578 LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
579 if( !lstrcmpW( name, t->name ) )
580 return t;
581
582 return NULL;
583 }
584
585 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
586 {
587 UINT r, column_count = 0;
588 MSICOLUMNINFO *columns;
589
590 /* get the number of columns in this table */
591 column_count = 0;
592 r = get_tablecolumns( db, name, NULL, &column_count );
593 if( r != ERROR_SUCCESS )
594 return r;
595
596 *pcount = column_count;
597
598 /* if there's no columns, there's no table */
599 if( column_count == 0 )
600 return ERROR_INVALID_PARAMETER;
601
602 TRACE("Table %s found\n", debugstr_w(name) );
603
604 columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO) );
605 if( !columns )
606 return ERROR_FUNCTION_FAILED;
607
608 r = get_tablecolumns( db, name, columns, &column_count );
609 if( r != ERROR_SUCCESS )
610 {
611 msi_free( columns );
612 return ERROR_FUNCTION_FAILED;
613 }
614
615 *pcols = columns;
616
617 return r;
618 }
619
620 UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info,
621 MSICONDITION persistent, MSITABLE **table_ret)
622 {
623 UINT r, nField;
624 MSIVIEW *tv = NULL;
625 MSIRECORD *rec = NULL;
626 column_info *col;
627 MSITABLE *table;
628 UINT i;
629
630 /* only add tables that don't exist already */
631 if( TABLE_Exists(db, name ) )
632 {
633 WARN("table %s exists\n", debugstr_w(name));
634 return ERROR_BAD_QUERY_SYNTAX;
635 }
636
637 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
638 if( !table )
639 return ERROR_FUNCTION_FAILED;
640
641 table->ref_count = 1;
642 table->row_count = 0;
643 table->data = NULL;
644 table->data_persistent = NULL;
645 table->colinfo = NULL;
646 table->col_count = 0;
647 table->persistent = persistent;
648 lstrcpyW( table->name, name );
649
650 for( col = col_info; col; col = col->next )
651 table->col_count++;
652
653 table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) );
654 if (!table->colinfo)
655 {
656 free_table( table );
657 return ERROR_FUNCTION_FAILED;
658 }
659
660 for( i = 0, col = col_info; col; i++, col = col->next )
661 {
662 table->colinfo[ i ].tablename = strdupW( col->table );
663 table->colinfo[ i ].number = i + 1;
664 table->colinfo[ i ].colname = strdupW( col->column );
665 table->colinfo[ i ].type = col->type;
666 table->colinfo[ i ].offset = 0;
667 table->colinfo[ i ].ref_count = 0;
668 table->colinfo[ i ].hash_table = NULL;
669 table->colinfo[ i ].temporary = col->temporary;
670 }
671 table_calc_column_offsets( db, table->colinfo, table->col_count);
672
673 r = TABLE_CreateView( db, szTables, &tv );
674 TRACE("CreateView returned %x\n", r);
675 if( r )
676 {
677 free_table( table );
678 return r;
679 }
680
681 r = tv->ops->execute( tv, 0 );
682 TRACE("tv execute returned %x\n", r);
683 if( r )
684 goto err;
685
686 rec = MSI_CreateRecord( 1 );
687 if( !rec )
688 goto err;
689
690 r = MSI_RecordSetStringW( rec, 1, name );
691 if( r )
692 goto err;
693
694 r = tv->ops->insert_row( tv, rec, -1, persistent == MSICONDITION_FALSE );
695 TRACE("insert_row returned %x\n", r);
696 if( r )
697 goto err;
698
699 tv->ops->delete( tv );
700 tv = NULL;
701
702 msiobj_release( &rec->hdr );
703 rec = NULL;
704
705 if( persistent != MSICONDITION_FALSE )
706 {
707 /* add each column to the _Columns table */
708 r = TABLE_CreateView( db, szColumns, &tv );
709 if( r )
710 return r;
711
712 r = tv->ops->execute( tv, 0 );
713 TRACE("tv execute returned %x\n", r);
714 if( r )
715 goto err;
716
717 rec = MSI_CreateRecord( 4 );
718 if( !rec )
719 goto err;
720
721 r = MSI_RecordSetStringW( rec, 1, name );
722 if( r )
723 goto err;
724
725 /*
726 * need to set the table, column number, col name and type
727 * for each column we enter in the table
728 */
729 nField = 1;
730 for( col = col_info; col; col = col->next )
731 {
732 r = MSI_RecordSetInteger( rec, 2, nField );
733 if( r )
734 goto err;
735
736 r = MSI_RecordSetStringW( rec, 3, col->column );
737 if( r )
738 goto err;
739
740 r = MSI_RecordSetInteger( rec, 4, col->type );
741 if( r )
742 goto err;
743
744 r = tv->ops->insert_row( tv, rec, -1, FALSE );
745 if( r )
746 goto err;
747
748 nField++;
749 }
750 if( !col )
751 r = ERROR_SUCCESS;
752 }
753
754 err:
755 if (rec)
756 msiobj_release( &rec->hdr );
757 /* FIXME: remove values from the string table on error */
758 if( tv )
759 tv->ops->delete( tv );
760
761 if (r == ERROR_SUCCESS)
762 {
763 list_add_head( &db->tables, &table->entry );
764 *table_ret = table;
765 }
766 else
767 free_table( table );
768
769 return r;
770 }
771
772 static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret )
773 {
774 MSITABLE *table;
775 UINT r;
776
777 /* first, see if the table is cached */
778 table = find_cached_table( db, name );
779 if( table )
780 {
781 *table_ret = table;
782 return ERROR_SUCCESS;
783 }
784
785 /* nonexistent tables should be interpreted as empty tables */
786 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
787 if( !table )
788 return ERROR_FUNCTION_FAILED;
789
790 table->row_count = 0;
791 table->data = NULL;
792 table->data_persistent = NULL;
793 table->colinfo = NULL;
794 table->col_count = 0;
795 table->persistent = MSICONDITION_TRUE;
796 lstrcpyW( table->name, name );
797
798 if ( !lstrcmpW(name, szTables) || !lstrcmpW(name, szColumns) )
799 table->persistent = MSICONDITION_NONE;
800
801 r = table_get_column_info( db, name, &table->colinfo, &table->col_count);
802 if (r != ERROR_SUCCESS)
803 {
804 free_table ( table );
805 return r;
806 }
807
808 r = read_table_from_storage( db, table, db->storage );
809 if( r != ERROR_SUCCESS )
810 {
811 free_table( table );
812 return r;
813 }
814
815 list_add_head( &db->tables, &table->entry );
816 *table_ret = table;
817 return ERROR_SUCCESS;
818 }
819
820 static UINT save_table( MSIDATABASE *db, const MSITABLE *t )
821 {
822 BYTE *rawdata = NULL, *p;
823 UINT rawsize, r, i, j, row_size;
824
825 /* Nothing to do for non-persistent tables */
826 if( t->persistent == MSICONDITION_FALSE )
827 return ERROR_SUCCESS;
828
829 TRACE("Saving %s\n", debugstr_w( t->name ) );
830
831 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count );
832
833 rawsize = t->row_count * row_size;
834 rawdata = msi_alloc_zero( rawsize );
835 if( !rawdata )
836 {
837 r = ERROR_NOT_ENOUGH_MEMORY;
838 goto err;
839 }
840
841 rawsize = 0;
842 p = rawdata;
843 for( i=0; i<t->col_count; i++ )
844 {
845 for( j=0; j<t->row_count; j++ )
846 {
847 UINT offset = t->colinfo[i].offset;
848
849 if (!t->data_persistent[j]) continue;
850 if (i == 0)
851 rawsize += row_size;
852
853 *p++ = t->data[j][offset];
854 *p++ = t->data[j][offset + 1];
855 if( 4 == bytes_per_column( db, &t->colinfo[i] ) )
856 {
857 *p++ = t->data[j][offset + 2];
858 *p++ = t->data[j][offset + 3];
859 }
860 }
861 }
862
863 TRACE("writing %d bytes\n", rawsize);
864 r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE );
865
866 err:
867 msi_free( rawdata );
868
869 return r;
870 }
871
872 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo,
873 DWORD count )
874 {
875 DWORD i;
876
877 for( i=0; colinfo && (i<count); i++ )
878 {
879 assert( (i+1) == colinfo[ i ].number );
880 if (i)
881 colinfo[i].offset = colinfo[ i - 1 ].offset
882 + bytes_per_column( db, &colinfo[ i - 1 ] );
883 else
884 colinfo[i].offset = 0;
885 TRACE("column %d is [%s] with type %08x ofs %d\n",
886 colinfo[i].number, debugstr_w(colinfo[i].colname),
887 colinfo[i].type, colinfo[i].offset);
888 }
889 }
890
891 static UINT get_defaulttablecolumns( MSIDATABASE *db, LPCWSTR name,
892 MSICOLUMNINFO *colinfo, UINT *sz)
893 {
894 const MSICOLUMNINFO *p;
895 DWORD i, n;
896
897 TRACE("%s\n", debugstr_w(name));
898
899 if (!lstrcmpW( name, szTables ))
900 {
901 p = _Tables_cols;
902 n = 1;
903 }
904 else if (!lstrcmpW( name, szColumns ))
905 {
906 p = _Columns_cols;
907 n = 4;
908 }
909 else
910 return ERROR_FUNCTION_FAILED;
911
912 /* duplicate the string data so we can free it in msi_free_colinfo */
913 for (i=0; i<n; i++)
914 {
915 if (colinfo && (i < *sz) )
916 {
917 colinfo[i] = p[i];
918 colinfo[i].tablename = strdupW( p[i].tablename );
919 colinfo[i].colname = strdupW( p[i].colname );
920 }
921 if( colinfo && (i >= *sz) )
922 break;
923 }
924 table_calc_column_offsets( db, colinfo, n );
925 *sz = n;
926 return ERROR_SUCCESS;
927 }
928
929 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count )
930 {
931 UINT i;
932
933 for( i=0; i<count; i++ )
934 {
935 msi_free( colinfo[i].tablename );
936 msi_free( colinfo[i].colname );
937 msi_free( colinfo[i].hash_table );
938 }
939 }
940
941 static LPWSTR msi_makestring( const MSIDATABASE *db, UINT stringid)
942 {
943 return strdupW(msi_string_lookup_id( db->strings, stringid ));
944 }
945
946 static UINT read_table_int(BYTE *const *data, UINT row, UINT col, UINT bytes)
947 {
948 UINT ret = 0, i;
949
950 for (i = 0; i < bytes; i++)
951 ret += (data[row][col + i] << i * 8);
952
953 return ret;
954 }
955
956 static UINT get_tablecolumns( MSIDATABASE *db,
957 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
958 {
959 UINT r, i, n=0, table_id, count, maxcount = *sz;
960 MSITABLE *table = NULL;
961
962 TRACE("%s\n", debugstr_w(szTableName));
963
964 /* first check if there is a default table with that name */
965 r = get_defaulttablecolumns( db, szTableName, colinfo, sz );
966 if( ( r == ERROR_SUCCESS ) && *sz )
967 return r;
968
969 r = get_table( db, szColumns, &table );
970 if( r != ERROR_SUCCESS )
971 {
972 ERR("couldn't load _Columns table\n");
973 return ERROR_FUNCTION_FAILED;
974 }
975
976 /* convert table and column names to IDs from the string table */
977 r = msi_string2idW( db->strings, szTableName, &table_id );
978 if( r != ERROR_SUCCESS )
979 {
980 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
981 return r;
982 }
983
984 TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
985
986 /* Note: _Columns table doesn't have non-persistent data */
987
988 /* if maxcount is non-zero, assume it's exactly right for this table */
989 memset( colinfo, 0, maxcount*sizeof(*colinfo) );
990 count = table->row_count;
991 for( i=0; i<count; i++ )
992 {
993 if( read_table_int(table->data, i, 0, db->bytes_per_strref) != table_id )
994 continue;
995 if( colinfo )
996 {
997 UINT id = read_table_int(table->data, i, table->colinfo[2].offset, db->bytes_per_strref);
998 UINT col = read_table_int(table->data, i, table->colinfo[1].offset, sizeof(USHORT)) - (1<<15);
999
1000 /* check the column number is in range */
1001 if (col<1 || col>maxcount)
1002 {
1003 ERR("column %d out of range\n", col);
1004 continue;
1005 }
1006
1007 /* check if this column was already set */
1008 if (colinfo[ col - 1 ].number)
1009 {
1010 ERR("duplicate column %d\n", col);
1011 continue;
1012 }
1013
1014 colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
1015 colinfo[ col - 1 ].number = col;
1016 colinfo[ col - 1 ].colname = msi_makestring( db, id );
1017 colinfo[ col - 1 ].type = read_table_int(table->data, i,
1018 table->colinfo[3].offset,
1019 sizeof(USHORT)) - (1<<15);
1020 colinfo[ col - 1 ].offset = 0;
1021 colinfo[ col - 1 ].ref_count = 0;
1022 colinfo[ col - 1 ].hash_table = NULL;
1023 }
1024 n++;
1025 }
1026
1027 TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
1028
1029 if (colinfo && n != maxcount)
1030 {
1031 ERR("missing column in table %s\n", debugstr_w(szTableName));
1032 msi_free_colinfo(colinfo, maxcount );
1033 return ERROR_FUNCTION_FAILED;
1034 }
1035
1036 table_calc_column_offsets( db, colinfo, n );
1037 *sz = n;
1038
1039 return ERROR_SUCCESS;
1040 }
1041
1042 static void msi_update_table_columns( MSIDATABASE *db, LPCWSTR name )
1043 {
1044 MSITABLE *table;
1045 UINT size, offset, old_count;
1046 UINT n;
1047
1048 table = find_cached_table( db, name );
1049 old_count = table->col_count;
1050 msi_free( table->colinfo );
1051 table->colinfo = NULL;
1052
1053 table_get_column_info( db, name, &table->colinfo, &table->col_count );
1054 if (!table->col_count)
1055 return;
1056
1057 size = msi_table_get_row_size( db, table->colinfo, table->col_count );
1058 offset = table->colinfo[table->col_count - 1].offset;
1059
1060 for ( n = 0; n < table->row_count; n++ )
1061 {
1062 table->data[n] = msi_realloc( table->data[n], size );
1063 if (old_count < table->col_count)
1064 memset( &table->data[n][offset], 0, size - offset );
1065 }
1066 }
1067
1068 /* try to find the table name in the _Tables table */
1069 BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
1070 {
1071 UINT r, table_id = 0, i, count;
1072 MSITABLE *table = NULL;
1073
1074 static const WCHAR szStreams[] = {'_','S','t','r','e','a','m','s',0};
1075 static const WCHAR szStorages[] = {'_','S','t','o','r','a','g','e','s',0};
1076
1077 if( !lstrcmpW( name, szTables ) || !lstrcmpW( name, szColumns ) ||
1078 !lstrcmpW( name, szStreams ) || !lstrcmpW( name, szStorages ) )
1079 return TRUE;
1080
1081 r = msi_string2idW( db->strings, name, &table_id );
1082 if( r != ERROR_SUCCESS )
1083 {
1084 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1085 return FALSE;
1086 }
1087
1088 r = get_table( db, szTables, &table );
1089 if( r != ERROR_SUCCESS )
1090 {
1091 ERR("table %s not available\n", debugstr_w(szTables));
1092 return FALSE;
1093 }
1094
1095 count = table->row_count;
1096 for( i=0; i<count; i++ )
1097 if( table->data[ i ][ 0 ] == table_id )
1098 return TRUE;
1099
1100 return FALSE;
1101 }
1102
1103 /* below is the query interface to a table */
1104
1105 typedef struct tagMSITABLEVIEW
1106 {
1107 MSIVIEW view;
1108 MSIDATABASE *db;
1109 MSITABLE *table;
1110 MSICOLUMNINFO *columns;
1111 MSIORDERINFO *order;
1112 UINT num_cols;
1113 UINT row_size;
1114 WCHAR name[1];
1115 } MSITABLEVIEW;
1116
1117 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1118 {
1119 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1120 UINT offset, n;
1121
1122 if( !tv->table )
1123 return ERROR_INVALID_PARAMETER;
1124
1125 if( (col==0) || (col>tv->num_cols) )
1126 return ERROR_INVALID_PARAMETER;
1127
1128 /* how many rows are there ? */
1129 if( row >= tv->table->row_count )
1130 return ERROR_NO_MORE_ITEMS;
1131
1132 if( tv->columns[col-1].offset >= tv->row_size )
1133 {
1134 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1135 ERR("%p %p\n", tv, tv->columns );
1136 return ERROR_FUNCTION_FAILED;
1137 }
1138
1139 if (tv->order)
1140 row = tv->order->reorder[row];
1141
1142 n = bytes_per_column( tv->db, &tv->columns[col-1] );
1143 if (n != 2 && n != 3 && n != 4)
1144 {
1145 ERR("oops! what is %d bytes per column?\n", n );
1146 return ERROR_FUNCTION_FAILED;
1147 }
1148
1149 offset = tv->columns[col-1].offset;
1150 *val = read_table_int(tv->table->data, row, offset, n);
1151
1152 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1153
1154 return ERROR_SUCCESS;
1155 }
1156
1157 static UINT msi_stream_name( const MSITABLEVIEW *tv, UINT row, LPWSTR *pstname )
1158 {
1159 LPWSTR p, stname = NULL;
1160 UINT i, r, type, ival;
1161 DWORD len;
1162 LPCWSTR sval;
1163 MSIVIEW *view = (MSIVIEW *) tv;
1164
1165 TRACE("%p %d\n", tv, row);
1166
1167 len = lstrlenW( tv->name ) + 1;
1168 stname = msi_alloc( len*sizeof(WCHAR) );
1169 if ( !stname )
1170 {
1171 r = ERROR_OUTOFMEMORY;
1172 goto err;
1173 }
1174
1175 lstrcpyW( stname, tv->name );
1176
1177 for ( i = 0; i < tv->num_cols; i++ )
1178 {
1179 type = tv->columns[i].type;
1180 if ( type & MSITYPE_KEY )
1181 {
1182 r = TABLE_fetch_int( view, row, i+1, &ival );
1183 if ( r != ERROR_SUCCESS )
1184 goto err;
1185
1186 if ( tv->columns[i].type & MSITYPE_STRING )
1187 {
1188 sval = msi_string_lookup_id( tv->db->strings, ival );
1189 if ( !sval )
1190 {
1191 r = ERROR_INVALID_PARAMETER;
1192 goto err;
1193 }
1194 }
1195 else
1196 {
1197 static const WCHAR fmt[] = { '%','d',0 };
1198 WCHAR number[0x20];
1199 UINT n = bytes_per_column( tv->db, &tv->columns[i] );
1200
1201 switch( n )
1202 {
1203 case 2:
1204 sprintfW( number, fmt, ival^0x8000 );
1205 break;
1206 case 4:
1207 sprintfW( number, fmt, ival^0x80000000 );
1208 break;
1209 default:
1210 ERR( "oops - unknown column width %d\n", n );
1211 r = ERROR_FUNCTION_FAILED;
1212 goto err;
1213 }
1214 sval = number;
1215 }
1216
1217 len += lstrlenW( szDot ) + lstrlenW( sval );
1218 p = msi_realloc ( stname, len*sizeof(WCHAR) );
1219 if ( !p )
1220 {
1221 r = ERROR_OUTOFMEMORY;
1222 goto err;
1223 }
1224 stname = p;
1225
1226 lstrcatW( stname, szDot );
1227 lstrcatW( stname, sval );
1228 }
1229 else
1230 continue;
1231 }
1232
1233 *pstname = stname;
1234 return ERROR_SUCCESS;
1235
1236 err:
1237 msi_free( stname );
1238 *pstname = NULL;
1239 return r;
1240 }
1241
1242 /*
1243 * We need a special case for streams, as we need to reference column with
1244 * the name of the stream in the same table, and the table name
1245 * which may not be available at higher levels of the query
1246 */
1247 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1248 {
1249 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1250 UINT r;
1251 LPWSTR full_name = NULL;
1252
1253 if( !view->ops->fetch_int )
1254 return ERROR_INVALID_PARAMETER;
1255
1256 r = msi_stream_name( tv, row, &full_name );
1257 if ( r != ERROR_SUCCESS )
1258 {
1259 ERR("fetching stream, error = %d\n", r);
1260 return r;
1261 }
1262
1263 r = db_get_raw_stream( tv->db, full_name, stm );
1264 if( r )
1265 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1266 msi_free( full_name );
1267
1268 return r;
1269 }
1270
1271 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1272 {
1273 UINT offset, n, i;
1274
1275 if( !tv->table )
1276 return ERROR_INVALID_PARAMETER;
1277
1278 if( (col==0) || (col>tv->num_cols) )
1279 return ERROR_INVALID_PARAMETER;
1280
1281 if( row >= tv->table->row_count )
1282 return ERROR_INVALID_PARAMETER;
1283
1284 if( tv->columns[col-1].offset >= tv->row_size )
1285 {
1286 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1287 ERR("%p %p\n", tv, tv->columns );
1288 return ERROR_FUNCTION_FAILED;
1289 }
1290
1291 msi_free( tv->columns[col-1].hash_table );
1292 tv->columns[col-1].hash_table = NULL;
1293
1294 n = bytes_per_column( tv->db, &tv->columns[col-1] );
1295 if ( n != 2 && n != 3 && n != 4 )
1296 {
1297 ERR("oops! what is %d bytes per column?\n", n );
1298 return ERROR_FUNCTION_FAILED;
1299 }
1300
1301 offset = tv->columns[col-1].offset;
1302 for ( i = 0; i < n; i++ )
1303 tv->table->data[row][offset + i] = (val >> i * 8) & 0xff;
1304
1305 return ERROR_SUCCESS;
1306 }
1307
1308 static UINT TABLE_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
1309 {
1310 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1311
1312 if (!tv->table)
1313 return ERROR_INVALID_PARAMETER;
1314
1315 if (tv->order)
1316 row = tv->order->reorder[row];
1317
1318 return msi_view_get_row(tv->db, view, row, rec);
1319 }
1320
1321 static UINT msi_addstreamW( MSIDATABASE *db, LPCWSTR name, IStream *data )
1322 {
1323 UINT r;
1324 MSIQUERY *query = NULL;
1325 MSIRECORD *rec = NULL;
1326
1327 static const WCHAR insert[] = {
1328 'I','N','S','E','R','T',' ','I','N','T','O',' ',
1329 '`','_','S','t','r','e','a','m','s','`',' ',
1330 '(','`','N','a','m','e','`',',',
1331 '`','D','a','t','a','`',')',' ',
1332 'V','A','L','U','E','S',' ','(','?',',','?',')',0};
1333
1334 TRACE("%p %s %p\n", db, debugstr_w(name), data);
1335
1336 rec = MSI_CreateRecord( 2 );
1337 if ( !rec )
1338 return ERROR_OUTOFMEMORY;
1339
1340 r = MSI_RecordSetStringW( rec, 1, name );
1341 if ( r != ERROR_SUCCESS )
1342 goto err;
1343
1344 r = MSI_RecordSetIStream( rec, 2, data );
1345 if ( r != ERROR_SUCCESS )
1346 goto err;
1347
1348 r = MSI_DatabaseOpenViewW( db, insert, &query );
1349 if ( r != ERROR_SUCCESS )
1350 goto err;
1351
1352 r = MSI_ViewExecute( query, rec );
1353
1354 err:
1355 msiobj_release( &query->hdr );
1356 msiobj_release( &rec->hdr );
1357
1358 return r;
1359 }
1360
1361 static UINT get_table_value_from_record( MSITABLEVIEW *tv, MSIRECORD *rec, UINT iField, UINT *pvalue )
1362 {
1363 MSICOLUMNINFO columninfo;
1364 UINT r;
1365
1366 if ( (iField <= 0) ||
1367 (iField > tv->num_cols) ||
1368 MSI_RecordIsNull( rec, iField ) )
1369 return ERROR_FUNCTION_FAILED;
1370
1371 columninfo = tv->columns[ iField - 1 ];
1372
1373 if ( MSITYPE_IS_BINARY(columninfo.type) )
1374 {
1375 *pvalue = 1; /* refers to the first key column */
1376 }
1377 else if ( columninfo.type & MSITYPE_STRING )
1378 {
1379 LPCWSTR sval = MSI_RecordGetString( rec, iField );
1380
1381 r = msi_string2idW(tv->db->strings, sval, pvalue);
1382 if (r != ERROR_SUCCESS)
1383 return ERROR_NOT_FOUND;
1384 }
1385 else if ( 2 == bytes_per_column( tv->db, &columninfo ) )
1386 {
1387 *pvalue = 0x8000 + MSI_RecordGetInteger( rec, iField );
1388 if ( *pvalue & 0xffff0000 )
1389 {
1390 ERR("field %u value %d out of range\n", iField, *pvalue - 0x8000);
1391 return ERROR_FUNCTION_FAILED;
1392 }
1393 }
1394 else
1395 {
1396 INT ival = MSI_RecordGetInteger( rec, iField );
1397 *pvalue = ival ^ 0x80000000;
1398 }
1399
1400 return ERROR_SUCCESS;
1401 }
1402
1403 static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
1404 {
1405 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1406 UINT i, val, r = ERROR_SUCCESS;
1407
1408 if ( !tv->table )
1409 return ERROR_INVALID_PARAMETER;
1410
1411 /* test if any of the mask bits are invalid */
1412 if ( mask >= (1<<tv->num_cols) )
1413 return ERROR_INVALID_PARAMETER;
1414
1415 for ( i = 0; i < tv->num_cols; i++ )
1416 {
1417 BOOL persistent;
1418
1419 /* only update the fields specified in the mask */
1420 if ( !(mask&(1<<i)) )
1421 continue;
1422
1423 persistent = (tv->table->persistent != MSICONDITION_FALSE) &&
1424 (tv->table->data_persistent[row]);
1425 /* FIXME: should we allow updating keys? */
1426
1427 val = 0;
1428 if ( !MSI_RecordIsNull( rec, i + 1 ) )
1429 {
1430 r = get_table_value_from_record (tv, rec, i + 1, &val);
1431 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1432 {
1433 IStream *stm;
1434 LPWSTR stname;
1435
1436 if ( r != ERROR_SUCCESS )
1437 return ERROR_FUNCTION_FAILED;
1438
1439 r = MSI_RecordGetIStream( rec, i + 1, &stm );
1440 if ( r != ERROR_SUCCESS )
1441 return r;
1442
1443 r = msi_stream_name( tv, row, &stname );
1444 if ( r != ERROR_SUCCESS )
1445 {
1446 IStream_Release( stm );
1447 return r;
1448 }
1449
1450 r = msi_addstreamW( tv->db, stname, stm );
1451 IStream_Release( stm );
1452 msi_free ( stname );
1453
1454 if ( r != ERROR_SUCCESS )
1455 return r;
1456 }
1457 else if ( tv->columns[i].type & MSITYPE_STRING )
1458 {
1459 UINT x;
1460
1461 if ( r != ERROR_SUCCESS )
1462 {
1463 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1464 val = msi_addstringW( tv->db->strings, 0, sval, -1, 1,
1465 persistent ? StringPersistent : StringNonPersistent );
1466
1467 }
1468 else
1469 {
1470 TABLE_fetch_int(&tv->view, row, i + 1, &x);
1471 if (val == x)
1472 continue;
1473 }
1474 }
1475 else
1476 {
1477 if ( r != ERROR_SUCCESS )
1478 return ERROR_FUNCTION_FAILED;
1479 }
1480 }
1481
1482 r = TABLE_set_int( tv, row, i+1, val );
1483 if ( r != ERROR_SUCCESS )
1484 break;
1485 }
1486 return r;
1487 }
1488
1489 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1490 {
1491 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1492 BYTE **p, *row;
1493 BOOL *b;
1494 UINT sz;
1495 BYTE ***data_ptr;
1496 BOOL **data_persist_ptr;
1497 UINT *row_count;
1498
1499 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1500
1501 if( !tv->table )
1502 return ERROR_INVALID_PARAMETER;
1503
1504 row = msi_alloc_zero( tv->row_size );
1505 if( !row )
1506 return ERROR_NOT_ENOUGH_MEMORY;
1507
1508 row_count = &tv->table->row_count;
1509 data_ptr = &tv->table->data;
1510 data_persist_ptr = &tv->table->data_persistent;
1511 if (*num == -1)
1512 *num = tv->table->row_count;
1513
1514 sz = (*row_count + 1) * sizeof (BYTE*);
1515 if( *data_ptr )
1516 p = msi_realloc( *data_ptr, sz );
1517 else
1518 p = msi_alloc( sz );
1519 if( !p )
1520 {
1521 msi_free( row );
1522 return ERROR_NOT_ENOUGH_MEMORY;
1523 }
1524
1525 sz = (*row_count + 1) * sizeof (BOOL);
1526 if( *data_persist_ptr )
1527 b = msi_realloc( *data_persist_ptr, sz );
1528 else
1529 b = msi_alloc( sz );
1530 if( !b )
1531 {
1532 msi_free( row );
1533 msi_free( p );
1534 return ERROR_NOT_ENOUGH_MEMORY;
1535 }
1536
1537 *data_ptr = p;
1538 (*data_ptr)[*row_count] = row;
1539
1540 *data_persist_ptr = b;
1541 (*data_persist_ptr)[*row_count] = !temporary;
1542
1543 (*row_count)++;
1544
1545 return ERROR_SUCCESS;
1546 }
1547
1548 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1549 {
1550 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1551
1552 TRACE("%p %p\n", tv, record);
1553
1554 TRACE("There are %d columns\n", tv->num_cols );
1555
1556 return ERROR_SUCCESS;
1557 }
1558
1559 static UINT TABLE_close( struct tagMSIVIEW *view )
1560 {
1561 TRACE("%p\n", view );
1562
1563 return ERROR_SUCCESS;
1564 }
1565
1566 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1567 {
1568 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1569
1570 TRACE("%p %p %p\n", view, rows, cols );
1571
1572 if( cols )
1573 *cols = tv->num_cols;
1574 if( rows )
1575 {
1576 if( !tv->table )
1577 return ERROR_INVALID_PARAMETER;
1578 *rows = tv->table->row_count;
1579 }
1580
1581 return ERROR_SUCCESS;
1582 }
1583
1584 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1585 UINT n, LPWSTR *name, UINT *type, BOOL *temporary )
1586 {
1587 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1588
1589 TRACE("%p %d %p %p\n", tv, n, name, type );
1590
1591 if( ( n == 0 ) || ( n > tv->num_cols ) )
1592 return ERROR_INVALID_PARAMETER;
1593
1594 if( name )
1595 {
1596 *name = strdupW( tv->columns[n-1].colname );
1597 if( !*name )
1598 return ERROR_FUNCTION_FAILED;
1599 }
1600
1601 if( type )
1602 *type = tv->columns[n-1].type;
1603
1604 if( temporary )
1605 *temporary = tv->columns[n-1].temporary;
1606
1607 return ERROR_SUCCESS;
1608 }
1609
1610 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1611
1612 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1613 {
1614 UINT r, row, i;
1615
1616 /* check there's no null values where they're not allowed */
1617 for( i = 0; i < tv->num_cols; i++ )
1618 {
1619 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1620 continue;
1621
1622 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1623 TRACE("skipping binary column\n");
1624 else if ( tv->columns[i].type & MSITYPE_STRING )
1625 {
1626 LPCWSTR str;
1627
1628 str = MSI_RecordGetString( rec, i+1 );
1629 if (str == NULL || str[0] == 0)
1630 return ERROR_INVALID_DATA;
1631 }
1632 else
1633 {
1634 UINT n;
1635
1636 n = MSI_RecordGetInteger( rec, i+1 );
1637 if (n == MSI_NULL_INTEGER)
1638 return ERROR_INVALID_DATA;
1639 }
1640 }
1641
1642 /* check there's no duplicate keys */
1643 r = msi_table_find_row( tv, rec, &row );
1644 if (r == ERROR_SUCCESS)
1645 return ERROR_FUNCTION_FAILED;
1646
1647 return ERROR_SUCCESS;
1648 }
1649
1650 static UINT find_insert_index( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *pidx )
1651 {
1652 UINT r, idx, j, ivalue, x;
1653
1654 TRACE("%p %p %p\n", tv, rec, pidx);
1655
1656 for (idx = 0; idx < tv->table->row_count; idx++)
1657 {
1658 for (j = 0; j < tv->num_cols; j++ )
1659 {
1660 r = get_table_value_from_record (tv, rec, j+1, &ivalue);
1661 if (r != ERROR_SUCCESS)
1662 break;
1663
1664 r = TABLE_fetch_int(&tv->view, idx, j + 1, &x);
1665 if (r != ERROR_SUCCESS)
1666 return r;
1667
1668 if (ivalue > x)
1669 break;
1670 else if (ivalue == x)
1671 continue;
1672 else {
1673 TRACE("Found %d.\n", idx);
1674 *pidx = idx;
1675 return ERROR_SUCCESS;
1676 }
1677 }
1678 }
1679
1680 TRACE("Found %d.\n", idx);
1681 *pidx = idx;
1682 return ERROR_SUCCESS;
1683 }
1684
1685 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary )
1686 {
1687 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1688 UINT i, r;
1689
1690 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1691
1692 /* check that the key is unique - can we find a matching row? */
1693 r = table_validate_new( tv, rec );
1694 if( r != ERROR_SUCCESS )
1695 return ERROR_FUNCTION_FAILED;
1696
1697 if (row == -1)
1698 {
1699 r = find_insert_index(tv, rec, &row);
1700 if( r != ERROR_SUCCESS )
1701 return ERROR_FUNCTION_FAILED;
1702 }
1703
1704 r = table_create_new_row( view, &row, temporary );
1705 TRACE("insert_row returned %08x\n", r);
1706 if( r != ERROR_SUCCESS )
1707 return r;
1708
1709 /* shift the rows to make room for the new row */
1710 for (i = tv->table->row_count - 1; i > row; i--)
1711 {
1712 memmove(&(tv->table->data[i][0]),
1713 &(tv->table->data[i - 1][0]), tv->row_size);
1714 tv->table->data_persistent[i] = tv->table->data_persistent[i - 1];
1715 }
1716
1717 /* Re-set the persistence flag */
1718 tv->table->data_persistent[row] = !temporary;
1719 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1720 }
1721
1722 static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row )
1723 {
1724 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1725 UINT r, num_rows, num_cols, i;
1726
1727 TRACE("%p %d\n", tv, row);
1728
1729 if ( !tv->table )
1730 return ERROR_INVALID_PARAMETER;
1731
1732 r = TABLE_get_dimensions( view, &num_rows, &num_cols );
1733 if ( r != ERROR_SUCCESS )
1734 return r;
1735
1736 if ( row >= num_rows )
1737 return ERROR_FUNCTION_FAILED;
1738
1739 num_rows = tv->table->row_count;
1740 tv->table->row_count--;
1741
1742 /* reset the hash tables */
1743 for (i = 0; i < tv->num_cols; i++)
1744 {
1745 msi_free( tv->columns[i].hash_table );
1746 tv->columns[i].hash_table = NULL;
1747 }
1748
1749 if ( row == num_rows - 1 )
1750 return ERROR_SUCCESS;
1751
1752 for (i = row + 1; i < num_rows; i++)
1753 {
1754 memcpy(tv->table->data[i - 1], tv->table->data[i], tv->row_size);
1755 tv->table->data_persistent[i - 1] = tv->table->data_persistent[i];
1756 }
1757
1758 return ERROR_SUCCESS;
1759 }
1760
1761 static UINT msi_table_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
1762 {
1763 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1764 UINT r, new_row;
1765
1766 /* FIXME: MsiViewFetch should set rec index 0 to some ID that
1767 * sets the fetched record apart from other records
1768 */
1769
1770 if (!tv->table)
1771 return ERROR_INVALID_PARAMETER;
1772
1773 r = msi_table_find_row(tv, rec, &new_row);
1774 if (r != ERROR_SUCCESS)
1775 {
1776 ERR("can't find row to modify\n");
1777 return ERROR_FUNCTION_FAILED;
1778 }
1779
1780 /* the row cannot be changed */
1781 if (row != new_row + 1)
1782 return ERROR_FUNCTION_FAILED;
1783
1784 return TABLE_set_row(view, new_row, rec, (1 << tv->num_cols) - 1);
1785 }
1786
1787 static UINT msi_table_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
1788 {
1789 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1790 UINT r, row;
1791
1792 if (!tv->table)
1793 return ERROR_INVALID_PARAMETER;
1794
1795 r = msi_table_find_row(tv, rec, &row);
1796 if (r == ERROR_SUCCESS)
1797 return TABLE_set_row(view, row, rec, (1 << tv->num_cols) - 1);
1798 else
1799 return TABLE_insert_row( view, rec, -1, FALSE );
1800 }
1801
1802 static UINT modify_delete_row( struct tagMSIVIEW *view, MSIRECORD *rec )
1803 {
1804 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1805 UINT row, r;
1806
1807 r = msi_table_find_row(tv, rec, &row);
1808 if (r != ERROR_SUCCESS)
1809 return r;
1810
1811 return TABLE_delete_row(view, row);
1812 }
1813
1814 static UINT msi_refresh_record( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row )
1815 {
1816 MSIRECORD *curr;
1817 UINT r, i, count;
1818
1819 r = TABLE_get_row(view, row - 1, &curr);
1820 if (r != ERROR_SUCCESS)
1821 return r;
1822
1823 count = MSI_RecordGetFieldCount(rec);
1824 for (i = 0; i < count; i++)
1825 MSI_RecordCopyField(curr, i + 1, rec, i + 1);
1826
1827 msiobj_release(&curr->hdr);
1828 return ERROR_SUCCESS;
1829 }
1830
1831 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1832 MSIRECORD *rec, UINT row)
1833 {
1834 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1835 UINT r;
1836
1837 TRACE("%p %d %p\n", view, eModifyMode, rec );
1838
1839 switch (eModifyMode)
1840 {
1841 case MSIMODIFY_DELETE:
1842 r = modify_delete_row( view, rec );
1843 break;
1844 case MSIMODIFY_VALIDATE_NEW:
1845 r = table_validate_new( tv, rec );
1846 break;
1847
1848 case MSIMODIFY_INSERT:
1849 r = table_validate_new( tv, rec );
1850 if (r != ERROR_SUCCESS)
1851 break;
1852 r = TABLE_insert_row( view, rec, -1, FALSE );
1853 break;
1854
1855 case MSIMODIFY_INSERT_TEMPORARY:
1856 r = table_validate_new( tv, rec );
1857 if (r != ERROR_SUCCESS)
1858 break;
1859 r = TABLE_insert_row( view, rec, -1, TRUE );
1860 break;
1861
1862 case MSIMODIFY_REFRESH:
1863 r = msi_refresh_record( view, rec, row );
1864 break;
1865
1866 case MSIMODIFY_UPDATE:
1867 r = msi_table_update( view, rec, row );
1868 break;
1869
1870 case MSIMODIFY_ASSIGN:
1871 r = msi_table_assign( view, rec );
1872 break;
1873
1874 case MSIMODIFY_REPLACE:
1875 case MSIMODIFY_MERGE:
1876 case MSIMODIFY_VALIDATE:
1877 case MSIMODIFY_VALIDATE_FIELD:
1878 case MSIMODIFY_VALIDATE_DELETE:
1879 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1880 r = ERROR_CALL_NOT_IMPLEMENTED;
1881 break;
1882
1883 default:
1884 r = ERROR_INVALID_DATA;
1885 }
1886
1887 return r;
1888 }
1889
1890 static UINT TABLE_delete( struct tagMSIVIEW *view )
1891 {
1892 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1893
1894 TRACE("%p\n", view );
1895
1896 tv->table = NULL;
1897 tv->columns = NULL;
1898
1899 if (tv->order)
1900 {
1901 msi_free( tv->order->reorder );
1902 msi_free( tv->order );
1903 tv->order = NULL;
1904 }
1905
1906 msi_free( tv );
1907
1908 return ERROR_SUCCESS;
1909 }
1910
1911 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1912 UINT val, UINT *row, MSIITERHANDLE *handle )
1913 {
1914 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1915 const MSICOLUMNHASHENTRY *entry;
1916
1917 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1918
1919 if( !tv->table )
1920 return ERROR_INVALID_PARAMETER;
1921
1922 if( (col==0) || (col > tv->num_cols) )
1923 return ERROR_INVALID_PARAMETER;
1924
1925 if( !tv->columns[col-1].hash_table )
1926 {
1927 UINT i;
1928 UINT num_rows = tv->table->row_count;
1929 MSICOLUMNHASHENTRY **hash_table;
1930 MSICOLUMNHASHENTRY *new_entry;
1931
1932 if( tv->columns[col-1].offset >= tv->row_size )
1933 {
1934 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1935 ERR("%p %p\n", tv, tv->columns );
1936 return ERROR_FUNCTION_FAILED;
1937 }
1938
1939 /* allocate contiguous memory for the table and its entries so we
1940 * don't have to do an expensive cleanup */
1941 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1942 num_rows * sizeof(MSICOLUMNHASHENTRY));
1943 if (!hash_table)
1944 return ERROR_OUTOFMEMORY;
1945
1946 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1947 tv->columns[col-1].hash_table = hash_table;
1948
1949 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1950
1951 for (i = 0; i < num_rows; i++, new_entry++)
1952 {
1953 UINT row_value;
1954
1955 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
1956 continue;
1957
1958 new_entry->next = NULL;
1959 new_entry->value = row_value;
1960 new_entry->row = i;
1961 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1962 {
1963 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1964 while (prev_entry->next)
1965 prev_entry = prev_entry->next;
1966 prev_entry->next = new_entry;
1967 }
1968 else
1969 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1970 }
1971 }
1972
1973 if( !*handle )
1974 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1975 else
1976 entry = (*handle)->next;
1977
1978 while (entry && entry->value != val)
1979 entry = entry->next;
1980
1981 *handle = entry;
1982 if (!entry)
1983 return ERROR_NO_MORE_ITEMS;
1984
1985 *row = entry->row;
1986
1987 return ERROR_SUCCESS;
1988 }
1989
1990 static UINT TABLE_add_ref(struct tagMSIVIEW *view)
1991 {
1992 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1993 UINT i;
1994
1995 TRACE("%p %d\n", view, tv->table->ref_count);
1996
1997 for (i = 0; i < tv->table->col_count; i++)
1998 {
1999 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
2000 InterlockedIncrement(&tv->table->colinfo[i].ref_count);
2001 }
2002
2003 return InterlockedIncrement(&tv->table->ref_count);
2004 }
2005
2006 static UINT TABLE_remove_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number)
2007 {
2008 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2009 MSIRECORD *rec = NULL;
2010 MSIVIEW *columns = NULL;
2011 UINT row, r;
2012
2013 rec = MSI_CreateRecord(2);
2014 if (!rec)
2015 return ERROR_OUTOFMEMORY;
2016
2017 MSI_RecordSetStringW(rec, 1, table);
2018 MSI_RecordSetInteger(rec, 2, number);
2019
2020 r = TABLE_CreateView(tv->db, szColumns, &columns);
2021 if (r != ERROR_SUCCESS)
2022 return r;
2023
2024 r = msi_table_find_row((MSITABLEVIEW *)columns, rec, &row);
2025 if (r != ERROR_SUCCESS)
2026 goto done;
2027
2028 r = TABLE_delete_row(columns, row);
2029 if (r != ERROR_SUCCESS)
2030 goto done;
2031
2032 msi_update_table_columns(tv->db, table);
2033
2034 done:
2035 msiobj_release(&rec->hdr);
2036 columns->ops->delete(columns);
2037 return r;
2038 }
2039
2040 static UINT TABLE_release(struct tagMSIVIEW *view)
2041 {
2042 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2043 INT ref = tv->table->ref_count;
2044 UINT i, r;
2045
2046 TRACE("%p %d\n", view, ref);
2047
2048 for (i = 0; i < tv->table->col_count; i++)
2049 {
2050 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
2051 {
2052 ref = InterlockedDecrement(&tv->table->colinfo[i].ref_count);
2053 if (ref == 0)
2054 {
2055 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
2056 tv->table->colinfo[i].number);
2057 if (r != ERROR_SUCCESS)
2058 break;
2059 }
2060 }
2061 }
2062
2063 ref = InterlockedDecrement(&tv->table->ref_count);
2064 if (ref == 0)
2065 {
2066 if (!tv->table->row_count)
2067 {
2068 list_remove(&tv->table->entry);
2069 free_table(tv->table);
2070 TABLE_delete(view);
2071 }
2072 }
2073
2074 return ref;
2075 }
2076
2077 static UINT TABLE_add_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number,
2078 LPCWSTR column, UINT type, BOOL hold)
2079 {
2080 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2081 MSITABLE *msitable;
2082 MSIRECORD *rec;
2083 UINT r, i;
2084
2085 rec = MSI_CreateRecord(4);
2086 if (!rec)
2087 return ERROR_OUTOFMEMORY;
2088
2089 MSI_RecordSetStringW(rec, 1, table);
2090 MSI_RecordSetInteger(rec, 2, number);
2091 MSI_RecordSetStringW(rec, 3, column);
2092 MSI_RecordSetInteger(rec, 4, type);
2093
2094 r = TABLE_insert_row(&tv->view, rec, -1, FALSE);
2095 if (r != ERROR_SUCCESS)
2096 goto done;
2097
2098 msi_update_table_columns(tv->db, table);
2099
2100 if (!hold)
2101 goto done;
2102
2103 msitable = find_cached_table(tv->db, table);
2104 for (i = 0; i < msitable->col_count; i++)
2105 {
2106 if (!lstrcmpW(msitable->colinfo[i].colname, column))
2107 {
2108 InterlockedIncrement(&msitable->colinfo[i].ref_count);
2109 break;
2110 }
2111 }
2112
2113 done:
2114 msiobj_release(&rec->hdr);
2115 return r;
2116 }
2117
2118 static UINT order_add_column(struct tagMSIVIEW *view, MSIORDERINFO *order, LPCWSTR name)
2119 {
2120 UINT n, r, count;
2121
2122 r = TABLE_get_dimensions(view, NULL, &count);
2123 if (r != ERROR_SUCCESS)
2124 return r;
2125
2126 if (order->num_cols >= count)
2127 return ERROR_FUNCTION_FAILED;
2128
2129 r = VIEW_find_column(view, name, &n);
2130 if (r != ERROR_SUCCESS)
2131 return r;
2132
2133 order->cols[order->num_cols] = n;
2134 TRACE("Ordering by column %s (%d)\n", debugstr_w(name), n);
2135
2136 order->num_cols++;
2137
2138 return ERROR_SUCCESS;
2139 }
2140
2141 static UINT order_compare(struct tagMSIVIEW *view, MSIORDERINFO *order,
2142 UINT a, UINT b, UINT *swap)
2143 {
2144 UINT r, i, a_val = 0, b_val = 0;
2145
2146 *swap = 0;
2147 for (i = 0; i < order->num_cols; i++)
2148 {
2149 r = TABLE_fetch_int(view, a, order->cols[i], &a_val);
2150 if (r != ERROR_SUCCESS)
2151 return r;
2152
2153 r = TABLE_fetch_int(view, b, order->cols[i], &b_val);
2154 if (r != ERROR_SUCCESS)
2155 return r;
2156
2157 if (a_val != b_val)
2158 {
2159 if (a_val > b_val)
2160 *swap = 1;
2161 break;
2162 }
2163 }
2164
2165 return ERROR_SUCCESS;
2166 }
2167
2168 static UINT order_mergesort(struct tagMSIVIEW *view, MSIORDERINFO *order,
2169 UINT left, UINT right)
2170 {
2171 UINT r, i, j, temp;
2172 UINT swap = 0, center = (left + right) / 2;
2173 UINT *array = order->reorder;
2174
2175 if (left == right)
2176 return ERROR_SUCCESS;
2177
2178 /* sort the left half */
2179 r = order_mergesort(view, order, left, center);
2180 if (r != ERROR_SUCCESS)
2181 return r;
2182
2183 /* sort the right half */
2184 r = order_mergesort(view, order, center + 1, right);
2185 if (r != ERROR_SUCCESS)
2186 return r;
2187
2188 for (i = left, j = center + 1; (i <= center) && (j <= right); i++)
2189 {
2190 r = order_compare(view, order, array[i], array[j], &swap);
2191 if (r != ERROR_SUCCESS)
2192 return r;
2193
2194 if (swap)
2195 {
2196 temp = array[j];
2197 memmove(&array[i + 1], &array[i], (j - i) * sizeof(UINT));
2198 array[i] = temp;
2199 j++;
2200 center++;
2201 }
2202 }
2203
2204 return ERROR_SUCCESS;
2205 }
2206
2207 static UINT order_verify(struct tagMSIVIEW *view, MSIORDERINFO *order, UINT num_rows)
2208 {
2209 UINT i, swap, r;
2210
2211 for (i = 1; i < num_rows; i++)
2212 {
2213 r = order_compare(view, order, order->reorder[i - 1],
2214 order->reorder[i], &swap);
2215 if (r != ERROR_SUCCESS)
2216 return r;
2217
2218 if (!swap)
2219 continue;
2220
2221 ERR("Bad order! %d\n", i);
2222 return ERROR_FUNCTION_FAILED;
2223 }
2224
2225 return ERROR_SUCCESS;
2226 }
2227
2228 static UINT TABLE_sort(struct tagMSIVIEW *view, column_info *columns)
2229 {
2230 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
2231 MSIORDERINFO *order;
2232 column_info *ptr;
2233 UINT r, i;
2234 UINT rows, cols;
2235
2236 TRACE("sorting table %s\n", debugstr_w(tv->name));
2237
2238 r = TABLE_get_dimensions(view, &rows, &cols);
2239 if (r != ERROR_SUCCESS)
2240 return r;
2241
2242 if (rows == 0)
2243 return ERROR_SUCCESS;
2244
2245 order = msi_alloc_zero(sizeof(MSIORDERINFO) + sizeof(UINT) * cols);
2246 if (!order)
2247 return ERROR_OUTOFMEMORY;
2248
2249 for (ptr = columns; ptr; ptr = ptr->next)
2250 order_add_column(view, order, ptr->column);
2251
2252 order->reorder = msi_alloc(rows * sizeof(UINT));
2253 if (!order->reorder)
2254 return ERROR_OUTOFMEMORY;
2255
2256 for (i = 0; i < rows; i++)
2257 order->reorder[i] = i;
2258
2259 r = order_mergesort(view, order, 0, rows - 1);
2260 if (r != ERROR_SUCCESS)
2261 return r;
2262
2263 r = order_verify(view, order, rows);
2264 if (r != ERROR_SUCCESS)
2265 return r;
2266
2267 tv->order = order;
2268
2269 return ERROR_SUCCESS;
2270 }
2271
2272 static UINT TABLE_drop(struct tagMSIVIEW *view)
2273 {
2274 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2275 MSIVIEW *tables = NULL;
2276 MSIRECORD *rec = NULL;
2277 UINT r, row;
2278 INT i;
2279
2280 TRACE("dropping table %s\n", debugstr_w(tv->name));
2281
2282 for (i = tv->table->col_count - 1; i >= 0; i--)
2283 {
2284 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
2285 tv->table->colinfo[i].number);
2286 if (r != ERROR_SUCCESS)
2287 return r;
2288 }
2289
2290 rec = MSI_CreateRecord(1);
2291 if (!rec)
2292 return ERROR_OUTOFMEMORY;
2293
2294 MSI_RecordSetStringW(rec, 1, tv->name);
2295
2296 r = TABLE_CreateView(tv->db, szTables, &tables);
2297 if (r != ERROR_SUCCESS)
2298 return r;
2299
2300 r = msi_table_find_row((MSITABLEVIEW *)tables, rec, &row);
2301 if (r != ERROR_SUCCESS)
2302 goto done;
2303
2304 r = TABLE_delete_row(tables, row);
2305 if (r != ERROR_SUCCESS)
2306 goto done;
2307
2308 list_remove(&tv->table->entry);
2309 free_table(tv->table);
2310 TABLE_delete(view);
2311
2312 done:
2313 msiobj_release(&rec->hdr);
2314 tables->ops->delete(tables);
2315
2316 return r;
2317 }
2318
2319 static const MSIVIEWOPS table_ops =
2320 {
2321 TABLE_fetch_int,
2322 TABLE_fetch_stream,
2323 TABLE_get_row,
2324 TABLE_set_row,
2325 TABLE_insert_row,
2326 TABLE_delete_row,
2327 TABLE_execute,
2328 TABLE_close,
2329 TABLE_get_dimensions,
2330 TABLE_get_column_info,
2331 TABLE_modify,
2332 TABLE_delete,
2333 TABLE_find_matching_rows,
2334 TABLE_add_ref,
2335 TABLE_release,
2336 TABLE_add_column,
2337 TABLE_remove_column,
2338 TABLE_sort,
2339 TABLE_drop,
2340 };
2341
2342 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
2343 {
2344 MSITABLEVIEW *tv ;
2345 UINT r, sz;
2346
2347 static const WCHAR Streams[] = {'_','S','t','r','e','a','m','s',0};
2348 static const WCHAR Storages[] = {'_','S','t','o','r','a','g','e','s',0};
2349
2350 TRACE("%p %s %p\n", db, debugstr_w(name), view );
2351
2352 if ( !lstrcmpW( name, Streams ) )
2353 return STREAMS_CreateView( db, view );
2354 else if ( !lstrcmpW( name, Storages ) )
2355 return STORAGES_CreateView( db, view );
2356
2357 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
2358 tv = msi_alloc_zero( sz );
2359 if( !tv )
2360 return ERROR_FUNCTION_FAILED;
2361
2362 r = get_table( db, name, &tv->table );
2363 if( r != ERROR_SUCCESS )
2364 {
2365 msi_free( tv );
2366 WARN("table not found\n");
2367 return r;
2368 }
2369
2370 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
2371
2372 /* fill the structure */
2373 tv->view.ops = &table_ops;
2374 tv->db = db;
2375 tv->columns = tv->table->colinfo;
2376 tv->num_cols = tv->table->col_count;
2377 tv->row_size = msi_table_get_row_size( db, tv->table->colinfo, tv->table->col_count );
2378
2379 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
2380
2381 *view = (MSIVIEW*) tv;
2382 lstrcpyW( tv->name, name );
2383
2384 return ERROR_SUCCESS;
2385 }
2386
2387 UINT MSI_CommitTables( MSIDATABASE *db )
2388 {
2389 UINT r;
2390 MSITABLE *table = NULL;
2391
2392 TRACE("%p\n",db);
2393
2394 r = msi_save_string_table( db->strings, db->storage );
2395 if( r != ERROR_SUCCESS )
2396 {
2397 WARN("failed to save string table r=%08x\n",r);
2398 return r;
2399 }
2400
2401 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
2402 {
2403 r = save_table( db, table );
2404 if( r != ERROR_SUCCESS )
2405 {
2406 WARN("failed to save table %s (r=%08x)\n",
2407 debugstr_w(table->name), r);
2408 return r;
2409 }
2410 }
2411
2412 /* force everything to reload next time */
2413 free_cached_tables( db );
2414
2415 return ERROR_SUCCESS;
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] );
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] );
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 = MSI_RecordGetString( rec, i );
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 r = msi_string2idW( tv->db->strings, str, &data[i] );
2635
2636 /* if there's no matching string in the string table,
2637 these keys can't match any record, so fail now. */
2638 if( ERROR_SUCCESS != r )
2639 {
2640 msi_free( data );
2641 return NULL;
2642 }
2643 }
2644 else
2645 {
2646 data[i] = MSI_RecordGetInteger( rec, i+1 );
2647
2648 if (data[i] == MSI_NULL_INTEGER)
2649 data[i] = 0;
2650 else if ((tv->columns[i].type&0xff) == 2)
2651 data[i] += 0x8000;
2652 else
2653 data[i] += 0x80000000;
2654 }
2655 }
2656 return data;
2657 }
2658
2659 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data )
2660 {
2661 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
2662
2663 for( i=0; i<tv->num_cols; i++ )
2664 {
2665 if ( ~tv->columns[i].type & MSITYPE_KEY )
2666 continue;
2667
2668 /* turn the transform column value into a row value */
2669 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
2670 if ( r != ERROR_SUCCESS )
2671 {
2672 ERR("TABLE_fetch_int shouldn't fail here\n");
2673 break;
2674 }
2675
2676 /* if this key matches, move to the next column */
2677 if ( x != data[i] )
2678 {
2679 ret = ERROR_FUNCTION_FAILED;
2680 break;
2681 }
2682
2683 ret = ERROR_SUCCESS;
2684 }
2685
2686 return ret;
2687 }
2688
2689 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
2690 {
2691 UINT i, r = ERROR_FUNCTION_FAILED, *data;
2692
2693 data = msi_record_to_row( tv, rec );
2694 if( !data )
2695 return r;
2696 for( i = 0; i < tv->table->row_count; i++ )
2697 {
2698 r = msi_row_matches( tv, i, data );
2699 if( r == ERROR_SUCCESS )
2700 {
2701 *row = i;
2702 break;
2703 }
2704 }
2705 msi_free( data );
2706 return r;
2707 }
2708
2709 typedef struct
2710 {
2711 struct list entry;
2712 LPWSTR name;
2713 } TRANSFORMDATA;
2714
2715 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
2716 string_table *st, TRANSFORMDATA *transform,
2717 UINT bytes_per_strref )
2718 {
2719 UINT rawsize = 0;
2720 BYTE *rawdata = NULL;
2721 MSITABLEVIEW *tv = NULL;
2722 UINT r, n, sz, i, mask;
2723 MSIRECORD *rec = NULL;
2724 UINT colcol = 0;
2725 WCHAR coltable[32];
2726 LPWSTR name;
2727
2728 if (!transform)
2729 return ERROR_SUCCESS;
2730
2731 name = transform->name;
2732
2733 coltable[0] = 0;
2734 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
2735
2736 /* read the transform data */
2737 read_stream_data( stg, name, TRUE, &rawdata, &rawsize );
2738 if ( !rawdata )
2739 {
2740 TRACE("table %s empty\n", debugstr_w(name) );
2741 return ERROR_INVALID_TABLE;
2742 }
2743
2744 /* create a table view */
2745 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
2746 if( r != ERROR_SUCCESS )
2747 goto err;
2748
2749 r = tv->view.ops->execute( &tv->view, NULL );
2750 if( r != ERROR_SUCCESS )
2751 goto err;
2752
2753 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2754 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
2755
2756 /* interpret the data */
2757 r = ERROR_SUCCESS;
2758 for( n=0; n < rawsize; )
2759 {
2760 mask = rawdata[n] | (rawdata[n+1] << 8);
2761
2762 if (mask&1)
2763 {
2764 /*
2765 * if the low bit is set, columns are continuous and
2766 * the number of columns is specified in the high byte
2767 */
2768 sz = 2;
2769 for( i=0; i<tv->num_cols; i++ )
2770 {
2771 if( (tv->columns[i].type & MSITYPE_STRING) &&
2772 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2773 sz += bytes_per_strref;
2774 else
2775 sz += bytes_per_column( tv->db, &tv->columns[i] );
2776 }
2777 }
2778 else
2779 {
2780 /*
2781 * If the low bit is not set, mask is a bitmask.
2782 * Excepting for key fields, which are always present,
2783 * each bit indicates that a field is present in the transform record.
2784 *
2785 * mask == 0 is a special case ... only the keys will be present
2786 * and it means that this row should be deleted.
2787 */
2788 sz = 2;
2789 for( i=0; i<tv->num_cols; i++ )
2790 {
2791 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
2792 {
2793 if( (tv->columns[i].type & MSITYPE_STRING) &&
2794 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2795 sz += bytes_per_strref;
2796 else
2797 sz += bytes_per_column( tv->db, &tv->columns[i] );
2798 }
2799 }
2800 }
2801
2802 /* check we didn't run of the end of the table */
2803 if ( (n+sz) > rawsize )
2804 {
2805 ERR("borked.\n");
2806 dump_table( st, (USHORT *)rawdata, rawsize );
2807 break;
2808 }
2809
2810 rec = msi_get_transform_record( tv, st, stg, &rawdata[n], bytes_per_strref );
2811 if (rec)
2812 {
2813 if ( mask & 1 )
2814 {
2815 WCHAR table[32];
2816 DWORD sz = 32;
2817 UINT number = MSI_NULL_INTEGER;
2818
2819 TRACE("inserting record\n");
2820
2821 if (!lstrcmpW(name, szColumns))
2822 {
2823 MSI_RecordGetStringW( rec, 1, table, &sz );
2824 number = MSI_RecordGetInteger( rec, 2 );
2825
2826 /*
2827 * Native msi seems writes nul into the Number (2nd) column of
2828 * the _Columns table, only when the columns are from a new table
2829 */
2830 if ( number == MSI_NULL_INTEGER )
2831 {
2832 /* reset the column number on a new table */
2833 if ( lstrcmpW(coltable, table) )
2834 {
2835 colcol = 0;
2836 lstrcpyW( coltable, table );
2837 }
2838
2839 /* fix nul column numbers */
2840 MSI_RecordSetInteger( rec, 2, ++colcol );
2841 }
2842 }
2843
2844 r = TABLE_insert_row( &tv->view, rec, -1, FALSE );
2845 if (r != ERROR_SUCCESS)
2846 WARN("insert row failed\n");
2847
2848 if ( number != MSI_NULL_INTEGER && !lstrcmpW(name, szColumns) )
2849 msi_update_table_columns( db, table );
2850 }
2851 else
2852 {
2853 UINT row = 0;
2854
2855 r = msi_table_find_row( tv, rec, &row );
2856 if (r != ERROR_SUCCESS)
2857 WARN("no matching row to transform\n");
2858 else if ( mask )
2859 {
2860 TRACE("modifying row [%d]:\n", row);
2861 TABLE_set_row( &tv->view, row, rec, mask );
2862 }
2863 else
2864 {
2865 TRACE("deleting row [%d]:\n", row);
2866 TABLE_delete_row( &tv->view, row );
2867 }
2868 }
2869 if( TRACE_ON(msidb) ) dump_record( rec );
2870 msiobj_release( &rec->hdr );
2871 }
2872
2873 n += sz;
2874 }
2875
2876 err:
2877 /* no need to free the table, it's associated with the database */
2878 msi_free( rawdata );
2879 if( tv )
2880 tv->view.ops->delete( &tv->view );
2881
2882 return ERROR_SUCCESS;
2883 }
2884
2885 /*
2886 * msi_table_apply_transform
2887 *
2888 * Enumerate the table transforms in a transform storage and apply each one.
2889 */
2890 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2891 {
2892 struct list transforms;
2893 IEnumSTATSTG *stgenum = NULL;
2894 TRANSFORMDATA *transform;
2895 TRANSFORMDATA *tables = NULL, *columns = NULL;
2896 HRESULT r;
2897 STATSTG stat;
2898 string_table *strings;
2899 UINT ret = ERROR_FUNCTION_FAILED;
2900 UINT bytes_per_strref;
2901
2902 TRACE("%p %p\n", db, stg );
2903
2904 strings = msi_load_string_table( stg, &bytes_per_strref );
2905 if( !strings )
2906 goto end;
2907
2908 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2909 if( FAILED( r ) )
2910 goto end;
2911
2912 list_init(&transforms);
2913
2914 while ( TRUE )
2915 {
2916 MSITABLEVIEW *tv = NULL;
2917 WCHAR name[0x40];
2918 ULONG count = 0;
2919
2920 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2921 if ( FAILED( r ) || !count )
2922 break;
2923
2924 decode_streamname( stat.pwcsName, name );
2925 CoTaskMemFree( stat.pwcsName );
2926 if ( name[0] != 0x4840 )
2927 continue;
2928
2929 if ( !lstrcmpW( name+1, szStringPool ) ||
2930 !lstrcmpW( name+1, szStringData ) )
2931 continue;
2932
2933 transform = msi_alloc_zero( sizeof(TRANSFORMDATA) );
2934 if ( !transform )
2935 break;
2936
2937 list_add_tail( &transforms, &transform->entry );
2938
2939 transform->name = strdupW( name + 1 );
2940
2941 if ( !lstrcmpW( transform->name, szTables ) )
2942 tables = transform;
2943 else if (!lstrcmpW( transform->name, szColumns ) )
2944 columns = transform;
2945
2946 TRACE("transform contains stream %s\n", debugstr_w(name));
2947
2948 /* load the table */
2949 r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv );
2950 if( r != ERROR_SUCCESS )
2951 continue;
2952
2953 r = tv->view.ops->execute( &tv->view, NULL );
2954 if( r != ERROR_SUCCESS )
2955 {
2956 tv->view.ops->delete( &tv->view );
2957 continue;
2958 }
2959
2960 tv->view.ops->delete( &tv->view );
2961 }
2962
2963 /*
2964 * Apply _Tables and _Columns transforms first so that
2965 * the table metadata is correct, and empty tables exist.
2966 */
2967 ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref );
2968 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2969 goto end;
2970
2971 ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref );
2972 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2973 goto end;
2974
2975 ret = ERROR_SUCCESS;
2976
2977 while ( !list_empty( &transforms ) )
2978 {
2979 transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry );
2980
2981 if ( lstrcmpW( transform->name, szColumns ) &&
2982 lstrcmpW( transform->name, szTables ) &&
2983 ret == ERROR_SUCCESS )
2984 {
2985 ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref );
2986 }
2987
2988 list_remove( &transform->entry );
2989 msi_free( transform->name );
2990 msi_free( transform );
2991 }
2992
2993 if ( ret == ERROR_SUCCESS )
2994 append_storage_to_db( db, stg );
2995
2996 end:
2997 if ( stgenum )
2998 IEnumSTATSTG_Release( stgenum );
2999 if ( strings )
3000 msi_destroy_stringtable( strings );
3001
3002 return ret;
3003 }
3004
3005 void append_storage_to_db( MSIDATABASE *db, IStorage *stg )
3006 {
3007 MSITRANSFORM *t;
3008
3009 t = msi_alloc( sizeof *t );
3010 t->stg = stg;
3011 IStorage_AddRef( stg );
3012 list_add_tail( &db->transforms, &t->entry );
3013 }
3014
3015 void msi_free_transforms( MSIDATABASE *db )
3016 {
3017 while( !list_empty( &db->transforms ) )
3018 {
3019 MSITRANSFORM *t = LIST_ENTRY( list_head( &db->transforms ),
3020 MSITRANSFORM, entry );
3021 list_remove( &t->entry );
3022 IStorage_Release( t->stg );
3023 msi_free( t );
3024 }
3025 }