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msi: Load the AdminProperties stream if the package is an Admin package.
[wine.git] / dlls / msi / table.c
blob69a033cda0647fb1ec71c5e49eebcb299e65b5d3
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 LPCWSTR tablename;
57 UINT number;
58 LPCWSTR colname;
59 UINT type;
60 UINT offset;
61 MSICOLUMNHASHENTRY **hash_table;
62 } MSICOLUMNINFO;
63
64 struct tagMSITABLE
65 {
66 BYTE **data;
67 UINT row_count;
68 BYTE **nonpersistent_data;
69 UINT nonpersistent_row_count;
70 struct list entry;
71 MSICOLUMNINFO *colinfo;
72 UINT col_count;
73 BOOL persistent;
74 WCHAR name[1];
75 };
76
77 typedef struct tagMSITRANSFORM {
78 struct list entry;
79 IStorage *stg;
80 } MSITRANSFORM;
81
82 static const WCHAR szStringData[] = {
83 '_','S','t','r','i','n','g','D','a','t','a',0 };
84 static const WCHAR szStringPool[] = {
85 '_','S','t','r','i','n','g','P','o','o','l',0 };
86
87 /* information for default tables */
88 static const WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
89 static const WCHAR szTable[] = { 'T','a','b','l','e',0 };
90 static const WCHAR szName[] = { 'N','a','m','e',0 };
91 static const WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
92 static const WCHAR szNumber[] = { 'N','u','m','b','e','r',0 };
93 static const WCHAR szType[] = { 'T','y','p','e',0 };
94
95 /* These tables are written into (the .hash_table part).
96 * Do not mark them const.
97 */
98 static MSICOLUMNINFO _Columns_cols[4] = {
99 { szColumns, 1, szTable, MSITYPE_VALID | MSITYPE_STRING | 64, 0 },
100 { szColumns, 2, szNumber, MSITYPE_VALID | 2, 2 },
101 { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4 },
102 { szColumns, 4, szType, MSITYPE_VALID | 2, 6 },
103 };
104 static MSICOLUMNINFO _Tables_cols[1] = {
105 { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 0 },
106 };
107
108 #define MAX_STREAM_NAME 0x1f
109
110 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
111 MSICOLUMNINFO **pcols, UINT *pcount );
112 static void table_calc_column_offsets( MSICOLUMNINFO *colinfo, DWORD count );
113 static UINT get_tablecolumns( MSIDATABASE *db,
114 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
115 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
116
117
118 void msi_table_set_strref(UINT bytes_per_strref)
119 {
120 _Columns_cols[0].offset = 0;
121 _Columns_cols[1].offset = bytes_per_strref;
122 _Columns_cols[2].offset = _Columns_cols[1].offset + sizeof(USHORT);
123 _Columns_cols[3].offset = _Columns_cols[2].offset + bytes_per_strref;
124 }
125
126 static inline UINT bytes_per_column( const MSICOLUMNINFO *col )
127 {
128 if( MSITYPE_IS_BINARY(col->type) )
129 return 2;
130 if( col->type & MSITYPE_STRING )
131 return _Columns_cols[1].offset;
132 if( (col->type & 0xff) > 4 )
133 ERR("Invalid column size!\n");
134 return col->type & 0xff;
135 }
136
137 static int utf2mime(int x)
138 {
139 if( (x>='0') && (x<='9') )
140 return x-'0';
141 if( (x>='A') && (x<='Z') )
142 return x-'A'+10;
143 if( (x>='a') && (x<='z') )
144 return x-'a'+10+26;
145 if( x=='.' )
146 return 10+26+26;
147 if( x=='_' )
148 return 10+26+26+1;
149 return -1;
150 }
151
152 LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
153 {
154 DWORD count = MAX_STREAM_NAME;
155 DWORD ch, next;
156 LPWSTR out, p;
157
158 if( !bTable )
159 count = lstrlenW( in )+2;
160 out = msi_alloc( count*sizeof(WCHAR) );
161 p = out;
162
163 if( bTable )
164 {
165 *p++ = 0x4840;
166 count --;
167 }
168 while( count -- )
169 {
170 ch = *in++;
171 if( !ch )
172 {
173 *p = ch;
174 return out;
175 }
176 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
177 {
178 ch = utf2mime(ch) + 0x4800;
179 next = *in;
180 if( next && (next<0x80) )
181 {
182 next = utf2mime(next);
183 if( next >= 0 )
184 {
185 next += 0x3ffffc0;
186 ch += (next<<6);
187 in++;
188 }
189 }
190 }
191 *p++ = ch;
192 }
193 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
194 msi_free( out );
195 return NULL;
196 }
197
198 static int mime2utf(int x)
199 {
200 if( x<10 )
201 return x + '0';
202 if( x<(10+26))
203 return x - 10 + 'A';
204 if( x<(10+26+26))
205 return x - 10 - 26 + 'a';
206 if( x == (10+26+26) )
207 return '.';
208 return '_';
209 }
210
211 BOOL decode_streamname(LPCWSTR in, LPWSTR out)
212 {
213 WCHAR ch;
214 DWORD count = 0;
215
216 while ( (ch = *in++) )
217 {
218 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
219 {
220 if( ch >= 0x4800 )
221 ch = mime2utf(ch-0x4800);
222 else
223 {
224 ch -= 0x3800;
225 *out++ = mime2utf(ch&0x3f);
226 count++;
227 ch = mime2utf((ch>>6)&0x3f);
228 }
229 }
230 *out++ = ch;
231 count++;
232 }
233 *out = 0;
234 return count;
235 }
236
237 void enum_stream_names( IStorage *stg )
238 {
239 IEnumSTATSTG *stgenum = NULL;
240 HRESULT r;
241 STATSTG stat;
242 ULONG n, count;
243 WCHAR name[0x40];
244
245 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
246 if( FAILED( r ) )
247 return;
248
249 n = 0;
250 while( 1 )
251 {
252 count = 0;
253 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
254 if( FAILED( r ) || !count )
255 break;
256 decode_streamname( stat.pwcsName, name );
257 TRACE("stream %2d -> %s %s\n", n,
258 debugstr_w(stat.pwcsName), debugstr_w(name) );
259 n++;
260 }
261
262 IEnumSTATSTG_Release( stgenum );
263 }
264
265 UINT read_stream_data( IStorage *stg, LPCWSTR stname, BOOL table,
266 BYTE **pdata, UINT *psz )
267 {
268 HRESULT r;
269 UINT ret = ERROR_FUNCTION_FAILED;
270 VOID *data;
271 ULONG sz, count;
272 IStream *stm = NULL;
273 STATSTG stat;
274 LPWSTR encname;
275
276 encname = encode_streamname(table, stname);
277
278 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
279
280 r = IStorage_OpenStream(stg, encname, NULL,
281 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
282 msi_free( encname );
283 if( FAILED( r ) )
284 {
285 WARN("open stream failed r = %08x - empty table?\n", r);
286 return ret;
287 }
288
289 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
290 if( FAILED( r ) )
291 {
292 WARN("open stream failed r = %08x!\n", r);
293 goto end;
294 }
295
296 if( stat.cbSize.QuadPart >> 32 )
297 {
298 WARN("Too big!\n");
299 goto end;
300 }
301
302 sz = stat.cbSize.QuadPart;
303 data = msi_alloc( sz );
304 if( !data )
305 {
306 WARN("couldn't allocate memory r=%08x!\n", r);
307 ret = ERROR_NOT_ENOUGH_MEMORY;
308 goto end;
309 }
310
311 r = IStream_Read(stm, data, sz, &count );
312 if( FAILED( r ) || ( count != sz ) )
313 {
314 msi_free( data );
315 WARN("read stream failed r = %08x!\n", r);
316 goto end;
317 }
318
319 *pdata = data;
320 *psz = sz;
321 ret = ERROR_SUCCESS;
322
323 end:
324 IStream_Release( stm );
325
326 return ret;
327 }
328
329 UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm )
330 {
331 LPWSTR encname;
332 HRESULT r;
333
334 encname = encode_streamname(FALSE, stname);
335
336 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
337
338 r = IStorage_OpenStream(db->storage, encname, NULL,
339 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm);
340 if( FAILED( r ) )
341 {
342 MSITRANSFORM *transform;
343
344 LIST_FOR_EACH_ENTRY( transform, &db->transforms, MSITRANSFORM, entry )
345 {
346 TRACE("looking for %s in transform storage\n", debugstr_w(stname) );
347 r = IStorage_OpenStream( transform->stg, encname, NULL,
348 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm );
349 if (SUCCEEDED(r))
350 break;
351 }
352 }
353
354 msi_free( encname );
355
356 return SUCCEEDED(r) ? ERROR_SUCCESS : ERROR_FUNCTION_FAILED;
357 }
358
359 UINT read_raw_stream_data( MSIDATABASE *db, LPCWSTR stname,
360 USHORT **pdata, UINT *psz )
361 {
362 HRESULT r;
363 UINT ret = ERROR_FUNCTION_FAILED;
364 VOID *data;
365 ULONG sz, count;
366 IStream *stm = NULL;
367 STATSTG stat;
368
369 r = db_get_raw_stream( db, stname, &stm );
370 if( r != ERROR_SUCCESS)
371 return ret;
372 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
373 if( FAILED( r ) )
374 {
375 WARN("open stream failed r = %08x!\n", r);
376 goto end;
377 }
378
379 if( stat.cbSize.QuadPart >> 32 )
380 {
381 WARN("Too big!\n");
382 goto end;
383 }
384
385 sz = stat.cbSize.QuadPart;
386 data = msi_alloc( sz );
387 if( !data )
388 {
389 WARN("couldn't allocate memory r=%08x!\n", r);
390 ret = ERROR_NOT_ENOUGH_MEMORY;
391 goto end;
392 }
393
394 r = IStream_Read(stm, data, sz, &count );
395 if( FAILED( r ) || ( count != sz ) )
396 {
397 msi_free( data );
398 WARN("read stream failed r = %08x!\n", r);
399 goto end;
400 }
401
402 *pdata = data;
403 *psz = sz;
404 ret = ERROR_SUCCESS;
405
406 end:
407 IStream_Release( stm );
408
409 return ret;
410 }
411
412 UINT write_stream_data( IStorage *stg, LPCWSTR stname,
413 LPCVOID data, UINT sz, BOOL bTable )
414 {
415 HRESULT r;
416 UINT ret = ERROR_FUNCTION_FAILED;
417 ULONG count;
418 IStream *stm = NULL;
419 ULARGE_INTEGER size;
420 LARGE_INTEGER pos;
421 LPWSTR encname;
422
423 encname = encode_streamname(bTable, stname );
424 r = IStorage_OpenStream( stg, encname, NULL,
425 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
426 if( FAILED(r) )
427 {
428 r = IStorage_CreateStream( stg, encname,
429 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
430 }
431 msi_free( encname );
432 if( FAILED( r ) )
433 {
434 WARN("open stream failed r = %08x\n", r);
435 return ret;
436 }
437
438 size.QuadPart = sz;
439 r = IStream_SetSize( stm, size );
440 if( FAILED( r ) )
441 {
442 WARN("Failed to SetSize\n");
443 goto end;
444 }
445
446 pos.QuadPart = 0;
447 r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
448 if( FAILED( r ) )
449 {
450 WARN("Failed to Seek\n");
451 goto end;
452 }
453
454 if (sz)
455 {
456 r = IStream_Write(stm, data, sz, &count );
457 if( FAILED( r ) || ( count != sz ) )
458 {
459 WARN("Failed to Write\n");
460 goto end;
461 }
462 }
463
464 ret = ERROR_SUCCESS;
465
466 end:
467 IStream_Release( stm );
468
469 return ret;
470 }
471
472 static void free_table( MSITABLE *table )
473 {
474 int i;
475 for( i=0; i<table->row_count; i++ )
476 msi_free( table->data[i] );
477 msi_free( table->data );
478 for( i=0; i<table->nonpersistent_row_count; i++ )
479 msi_free( table->nonpersistent_data[i] );
480 msi_free( table->nonpersistent_data );
481 if( (table->colinfo != _Tables_cols) &&
482 (table->colinfo != _Columns_cols) )
483 {
484 msi_free_colinfo( table->colinfo, table->col_count );
485 msi_free( table->colinfo );
486 }
487 msi_free( table );
488 }
489
490 static UINT msi_table_get_row_size( const MSICOLUMNINFO *cols, UINT count )
491 {
492 const MSICOLUMNINFO *last_col = &cols[count-1];
493 if (!count)
494 return 0;
495 return last_col->offset + bytes_per_column( last_col );
496 }
497
498 /* add this table to the list of cached tables in the database */
499 static UINT read_table_from_storage( MSITABLE *t, IStorage *stg )
500 {
501 BYTE *rawdata = NULL;
502 UINT rawsize = 0, i, j, row_size = 0;
503
504 TRACE("%s\n",debugstr_w(t->name));
505
506 row_size = msi_table_get_row_size( t->colinfo, t->col_count );
507
508 /* if we can't read the table, just assume that it's empty */
509 read_stream_data( stg, t->name, TRUE, &rawdata, &rawsize );
510 if( !rawdata )
511 return ERROR_SUCCESS;
512
513 TRACE("Read %d bytes\n", rawsize );
514
515 if( rawsize % row_size )
516 {
517 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
518 goto err;
519 }
520
521 t->row_count = rawsize / row_size;
522 t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
523 if( !t->data )
524 goto err;
525
526 /* transpose all the data */
527 TRACE("Transposing data from %d rows\n", t->row_count );
528 for( i=0; i<t->row_count; i++ )
529 {
530 t->data[i] = msi_alloc( row_size );
531 if( !t->data[i] )
532 goto err;
533
534 for( j=0; j<t->col_count; j++ )
535 {
536 UINT ofs = t->colinfo[j].offset;
537 UINT n = bytes_per_column( &t->colinfo[j] );
538 UINT k;
539
540 if ( n != 2 && n != 3 && n != 4 )
541 {
542 ERR("oops - unknown column width %d\n", n);
543 goto err;
544 }
545
546 for ( k = 0; k < n; k++ )
547 t->data[i][ofs + k] = rawdata[ofs*t->row_count + i * n + k];
548 }
549 }
550
551 msi_free( rawdata );
552 return ERROR_SUCCESS;
553 err:
554 msi_free( rawdata );
555 return ERROR_FUNCTION_FAILED;
556 }
557
558 void free_cached_tables( MSIDATABASE *db )
559 {
560 while( !list_empty( &db->tables ) )
561 {
562 MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
563
564 list_remove( &t->entry );
565 free_table( t );
566 }
567 }
568
569 static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name )
570 {
571 MSITABLE *t;
572
573 LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
574 if( !lstrcmpW( name, t->name ) )
575 return t;
576
577 return NULL;
578 }
579
580 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
581 {
582 UINT r, column_count = 0;
583 MSICOLUMNINFO *columns;
584
585 /* get the number of columns in this table */
586 column_count = 0;
587 r = get_tablecolumns( db, name, NULL, &column_count );
588 if( r != ERROR_SUCCESS )
589 return r;
590
591 /* if there's no columns, there's no table */
592 if( column_count == 0 )
593 return ERROR_INVALID_PARAMETER;
594
595 TRACE("Table %s found\n", debugstr_w(name) );
596
597 columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO) );
598 if( !columns )
599 return ERROR_FUNCTION_FAILED;
600
601 r = get_tablecolumns( db, name, columns, &column_count );
602 if( r != ERROR_SUCCESS )
603 {
604 msi_free( columns );
605 return ERROR_FUNCTION_FAILED;
606 }
607
608 *pcols = columns;
609 *pcount = column_count;
610
611 return r;
612 }
613
614 UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info,
615 BOOL persistent, MSITABLE **table_ret)
616 {
617 UINT r, nField;
618 MSIVIEW *tv = NULL;
619 MSIRECORD *rec = NULL;
620 column_info *col;
621 MSITABLE *table;
622 UINT i;
623
624 /* only add tables that don't exist already */
625 if( TABLE_Exists(db, name ) )
626 {
627 WARN("table %s exists\n", debugstr_w(name));
628 return ERROR_BAD_QUERY_SYNTAX;
629 }
630
631 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
632 if( !table )
633 return ERROR_FUNCTION_FAILED;
634
635 table->row_count = 0;
636 table->data = NULL;
637 table->nonpersistent_row_count = 0;
638 table->nonpersistent_data = NULL;
639 table->colinfo = NULL;
640 table->col_count = 0;
641 table->persistent = persistent;
642 lstrcpyW( table->name, name );
643
644 for( col = col_info; col; col = col->next )
645 table->col_count++;
646
647 table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) );
648 if (!table->colinfo)
649 {
650 free_table( table );
651 return ERROR_FUNCTION_FAILED;
652 }
653
654 for( i = 0, col = col_info; col; i++, col = col->next )
655 {
656 table->colinfo[ i ].tablename = strdupW( col->table );
657 table->colinfo[ i ].number = i + 1;
658 table->colinfo[ i ].colname = strdupW( col->column );
659 table->colinfo[ i ].type = col->type;
660 table->colinfo[ i ].offset = 0;
661 table->colinfo[ i ].hash_table = NULL;
662 }
663 table_calc_column_offsets( table->colinfo, table->col_count);
664
665 r = TABLE_CreateView( db, szTables, &tv );
666 TRACE("CreateView returned %x\n", r);
667 if( r )
668 {
669 free_table( table );
670 return r;
671 }
672
673 r = tv->ops->execute( tv, 0 );
674 TRACE("tv execute returned %x\n", r);
675 if( r )
676 goto err;
677
678 rec = MSI_CreateRecord( 1 );
679 if( !rec )
680 goto err;
681
682 r = MSI_RecordSetStringW( rec, 1, name );
683 if( r )
684 goto err;
685
686 r = tv->ops->insert_row( tv, rec, !persistent );
687 TRACE("insert_row returned %x\n", r);
688 if( r )
689 goto err;
690
691 tv->ops->delete( tv );
692 tv = NULL;
693
694 msiobj_release( &rec->hdr );
695 rec = NULL;
696
697 if( persistent )
698 {
699 /* add each column to the _Columns table */
700 r = TABLE_CreateView( db, szColumns, &tv );
701 if( r )
702 return r;
703
704 r = tv->ops->execute( tv, 0 );
705 TRACE("tv execute returned %x\n", r);
706 if( r )
707 goto err;
708
709 rec = MSI_CreateRecord( 4 );
710 if( !rec )
711 goto err;
712
713 r = MSI_RecordSetStringW( rec, 1, name );
714 if( r )
715 goto err;
716
717 /*
718 * need to set the table, column number, col name and type
719 * for each column we enter in the table
720 */
721 nField = 1;
722 for( col = col_info; col; col = col->next )
723 {
724 r = MSI_RecordSetInteger( rec, 2, nField );
725 if( r )
726 goto err;
727
728 r = MSI_RecordSetStringW( rec, 3, col->column );
729 if( r )
730 goto err;
731
732 r = MSI_RecordSetInteger( rec, 4, col->type );
733 if( r )
734 goto err;
735
736 r = tv->ops->insert_row( tv, rec, FALSE );
737 if( r )
738 goto err;
739
740 nField++;
741 }
742 if( !col )
743 r = ERROR_SUCCESS;
744 }
745
746 err:
747 if (rec)
748 msiobj_release( &rec->hdr );
749 /* FIXME: remove values from the string table on error */
750 if( tv )
751 tv->ops->delete( tv );
752
753 if (r == ERROR_SUCCESS)
754 {
755 list_add_head( &db->tables, &table->entry );
756 *table_ret = table;
757 }
758 else
759 free_table( table );
760
761 return r;
762 }
763
764 static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret )
765 {
766 MSITABLE *table;
767 UINT r;
768
769 /* first, see if the table is cached */
770 table = find_cached_table( db, name );
771 if( table )
772 {
773 *table_ret = table;
774 return ERROR_SUCCESS;
775 }
776
777 /* nonexistent tables should be interpreted as empty tables */
778 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
779 if( !table )
780 return ERROR_FUNCTION_FAILED;
781
782 table->row_count = 0;
783 table->data = NULL;
784 table->nonpersistent_row_count = 0;
785 table->nonpersistent_data = NULL;
786 table->colinfo = NULL;
787 table->col_count = 0;
788 table->persistent = TRUE;
789 lstrcpyW( table->name, name );
790
791 /* these two tables are special - we know the column types already */
792 if( !lstrcmpW( name, szColumns ) )
793 {
794 table->colinfo = _Columns_cols;
795 table->col_count = sizeof(_Columns_cols)/sizeof(_Columns_cols[0]);
796 }
797 else if( !lstrcmpW( name, szTables ) )
798 {
799 table->colinfo = _Tables_cols;
800 table->col_count = sizeof(_Tables_cols)/sizeof(_Tables_cols[0]);
801 }
802 else
803 {
804 r = table_get_column_info( db, name, &table->colinfo, &table->col_count);
805 if (r != ERROR_SUCCESS)
806 {
807 free_table ( table );
808 return r;
809 }
810 }
811
812 r = read_table_from_storage( table, db->storage );
813 if( r != ERROR_SUCCESS )
814 {
815 free_table( table );
816 return r;
817 }
818
819 list_add_head( &db->tables, &table->entry );
820 *table_ret = table;
821 return ERROR_SUCCESS;
822 }
823
824 static UINT save_table( MSIDATABASE *db, const MSITABLE *t )
825 {
826 BYTE *rawdata = NULL, *p;
827 UINT rawsize, r, i, j, row_size;
828
829 /* Nothing to do for non-persistent tables */
830 if( !t->persistent )
831 return ERROR_SUCCESS;
832
833 TRACE("Saving %s\n", debugstr_w( t->name ) );
834
835 row_size = msi_table_get_row_size( t->colinfo, t->col_count );
836
837 rawsize = t->row_count * row_size;
838 rawdata = msi_alloc_zero( rawsize );
839 if( !rawdata )
840 {
841 r = ERROR_NOT_ENOUGH_MEMORY;
842 goto err;
843 }
844
845 p = rawdata;
846 for( i=0; i<t->col_count; i++ )
847 {
848 for( j=0; j<t->row_count; j++ )
849 {
850 UINT offset = t->colinfo[i].offset;
851
852 *p++ = t->data[j][offset];
853 *p++ = t->data[j][offset + 1];
854 if( 4 == bytes_per_column( &t->colinfo[i] ) )
855 {
856 *p++ = t->data[j][offset + 2];
857 *p++ = t->data[j][offset + 3];
858 }
859 }
860 }
861
862 TRACE("writing %d bytes\n", rawsize);
863 r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE );
864
865 err:
866 msi_free( rawdata );
867
868 return r;
869 }
870
871 static void table_calc_column_offsets( MSICOLUMNINFO *colinfo, DWORD count )
872 {
873 DWORD i;
874
875 for( i=0; colinfo && (i<count); i++ )
876 {
877 assert( (i+1) == colinfo[ i ].number );
878 if (i)
879 colinfo[i].offset = colinfo[ i - 1 ].offset
880 + bytes_per_column( &colinfo[ i - 1 ] );
881 else
882 colinfo[i].offset = 0;
883 TRACE("column %d is [%s] with type %08x ofs %d\n",
884 colinfo[i].number, debugstr_w(colinfo[i].colname),
885 colinfo[i].type, colinfo[i].offset);
886 }
887 }
888
889 static UINT get_defaulttablecolumns( LPCWSTR name, MSICOLUMNINFO *colinfo, UINT *sz)
890 {
891 const MSICOLUMNINFO *p;
892 DWORD i, n;
893
894 TRACE("%s\n", debugstr_w(name));
895
896 if (!lstrcmpW( name, szTables ))
897 {
898 p = _Tables_cols;
899 n = 1;
900 }
901 else if (!lstrcmpW( name, szColumns ))
902 {
903 p = _Columns_cols;
904 n = 4;
905 }
906 else
907 return ERROR_FUNCTION_FAILED;
908
909 /* duplicate the string data so we can free it in msi_free_colinfo */
910 for (i=0; i<n; i++)
911 {
912 if (colinfo && (i < *sz) )
913 {
914 memcpy( &colinfo[i], &p[i], sizeof(MSICOLUMNINFO) );
915 colinfo[i].tablename = strdupW( p[i].tablename );
916 colinfo[i].colname = strdupW( p[i].colname );
917 }
918 if( colinfo && (i >= *sz) )
919 break;
920 }
921 table_calc_column_offsets( colinfo, n );
922 *sz = n;
923 return ERROR_SUCCESS;
924 }
925
926 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count )
927 {
928 UINT i;
929
930 for( i=0; i<count; i++ )
931 {
932 msi_free( (LPWSTR) colinfo[i].tablename );
933 msi_free( (LPWSTR) colinfo[i].colname );
934 msi_free( colinfo[i].hash_table );
935 }
936 }
937
938 static LPWSTR msi_makestring( const MSIDATABASE *db, UINT stringid)
939 {
940 return strdupW(msi_string_lookup_id( db->strings, stringid ));
941 }
942
943 static UINT read_table_int(BYTE *const *data, UINT row, UINT col, UINT bytes)
944 {
945 UINT ret = 0, i;
946
947 for (i = 0; i < bytes; i++)
948 ret += (data[row][col + i] << i * 8);
949
950 return ret;
951 }
952
953 static UINT get_tablecolumns( MSIDATABASE *db,
954 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
955 {
956 UINT r, i, n=0, table_id, count, maxcount = *sz;
957 MSITABLE *table = NULL;
958
959 TRACE("%s\n", debugstr_w(szTableName));
960
961 /* first check if there is a default table with that name */
962 r = get_defaulttablecolumns( szTableName, colinfo, sz );
963 if( ( r == ERROR_SUCCESS ) && *sz )
964 return r;
965
966 r = get_table( db, szColumns, &table );
967 if( r != ERROR_SUCCESS )
968 {
969 ERR("couldn't load _Columns table\n");
970 return ERROR_FUNCTION_FAILED;
971 }
972
973 /* convert table and column names to IDs from the string table */
974 r = msi_string2idW( db->strings, szTableName, &table_id );
975 if( r != ERROR_SUCCESS )
976 {
977 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
978 return r;
979 }
980
981 TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
982
983 /* Note: _Columns table doesn't have non-persistent data */
984
985 /* if maxcount is non-zero, assume it's exactly right for this table */
986 memset( colinfo, 0, maxcount*sizeof(*colinfo) );
987 count = table->row_count;
988 for( i=0; i<count; i++ )
989 {
990 if( read_table_int(table->data, i, 0, db->bytes_per_strref) != table_id )
991 continue;
992 if( colinfo )
993 {
994 UINT id = read_table_int(table->data, i, _Columns_cols[2].offset, db->bytes_per_strref);
995 UINT col = read_table_int(table->data, i, _Columns_cols[1].offset, sizeof(USHORT)) - (1<<15);
996
997 /* check the column number is in range */
998 if (col<1 || col>maxcount)
999 {
1000 ERR("column %d out of range\n", col);
1001 continue;
1002 }
1003
1004 /* check if this column was already set */
1005 if (colinfo[ col - 1 ].number)
1006 {
1007 ERR("duplicate column %d\n", col);
1008 continue;
1009 }
1010
1011 colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
1012 colinfo[ col - 1 ].number = col;
1013 colinfo[ col - 1 ].colname = msi_makestring( db, id );
1014 colinfo[ col - 1 ].type = read_table_int(table->data, i, _Columns_cols[3].offset, sizeof(USHORT)) - (1<<15);
1015 colinfo[ col - 1 ].offset = 0;
1016 colinfo[ col - 1 ].hash_table = NULL;
1017 }
1018 n++;
1019 }
1020
1021 TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
1022
1023 if (colinfo && n != maxcount)
1024 {
1025 ERR("missing column in table %s\n", debugstr_w(szTableName));
1026 msi_free_colinfo(colinfo, maxcount );
1027 return ERROR_FUNCTION_FAILED;
1028 }
1029
1030 table_calc_column_offsets( colinfo, n );
1031 *sz = n;
1032
1033 return ERROR_SUCCESS;
1034 }
1035
1036 /* try to find the table name in the _Tables table */
1037 BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
1038 {
1039 UINT r, table_id = 0, i, count;
1040 MSITABLE *table = NULL;
1041
1042 if( !lstrcmpW( name, szTables ) )
1043 return TRUE;
1044 if( !lstrcmpW( name, szColumns ) )
1045 return TRUE;
1046
1047 r = msi_string2idW( db->strings, name, &table_id );
1048 if( r != ERROR_SUCCESS )
1049 {
1050 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1051 return FALSE;
1052 }
1053
1054 r = get_table( db, szTables, &table );
1055 if( r != ERROR_SUCCESS )
1056 {
1057 ERR("table %s not available\n", debugstr_w(szTables));
1058 return FALSE;
1059 }
1060
1061 count = table->row_count;
1062 for( i=0; i<count; i++ )
1063 if( table->data[ i ][ 0 ] == table_id )
1064 break;
1065
1066 if (i!=count)
1067 return TRUE;
1068
1069 count = table->nonpersistent_row_count;
1070 for( i=0; i<count; i++ )
1071 if( table->nonpersistent_data[ i ][ 0 ] == table_id )
1072 break;
1073
1074 if (i!=count)
1075 return TRUE;
1076
1077 TRACE("Searched %d tables, but %d was not found\n", count, table_id );
1078
1079 return FALSE;
1080 }
1081
1082 /* below is the query interface to a table */
1083
1084 typedef struct tagMSITABLEVIEW
1085 {
1086 MSIVIEW view;
1087 MSIDATABASE *db;
1088 MSITABLE *table;
1089 MSICOLUMNINFO *columns;
1090 UINT num_cols;
1091 UINT row_size;
1092 WCHAR name[1];
1093 } MSITABLEVIEW;
1094
1095 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1096 {
1097 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1098 UINT offset, n;
1099 BYTE **data;
1100
1101 if( !tv->table )
1102 return ERROR_INVALID_PARAMETER;
1103
1104 if( (col==0) || (col>tv->num_cols) )
1105 return ERROR_INVALID_PARAMETER;
1106
1107 /* how many rows are there ? */
1108 if( row >= tv->table->row_count + tv->table->nonpersistent_row_count )
1109 return ERROR_NO_MORE_ITEMS;
1110
1111 if( tv->columns[col-1].offset >= tv->row_size )
1112 {
1113 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1114 ERR("%p %p\n", tv, tv->columns );
1115 return ERROR_FUNCTION_FAILED;
1116 }
1117
1118 if (row >= tv->table->row_count)
1119 {
1120 row -= tv->table->row_count;
1121 data = tv->table->nonpersistent_data;
1122 }
1123 else
1124 data = tv->table->data;
1125
1126 n = bytes_per_column( &tv->columns[col-1] );
1127 if (n != 2 && n != 3 && n != 4)
1128 {
1129 ERR("oops! what is %d bytes per column?\n", n );
1130 return ERROR_FUNCTION_FAILED;
1131 }
1132
1133 offset = tv->columns[col-1].offset;
1134 *val = read_table_int(data, row, offset, n);
1135
1136 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1137
1138 return ERROR_SUCCESS;
1139 }
1140
1141 /*
1142 * We need a special case for streams, as we need to reference column with
1143 * the name of the stream in the same table, and the table name
1144 * which may not be available at higher levels of the query
1145 */
1146 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1147 {
1148 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1149 UINT ival = 0, refcol = 0, r;
1150 LPCWSTR sval;
1151 LPWSTR full_name;
1152 DWORD len;
1153 static const WCHAR szDot[] = { '.', 0 };
1154 WCHAR number[0x20];
1155
1156 if( !view->ops->fetch_int )
1157 return ERROR_INVALID_PARAMETER;
1158
1159 /*
1160 * The column marked with the type stream data seems to have a single number
1161 * which references the column containing the name of the stream data
1162 *
1163 * Fetch the column to reference first.
1164 */
1165 r = view->ops->fetch_int( view, row, col, &ival );
1166 if( r != ERROR_SUCCESS )
1167 return r;
1168
1169 /* check the column value is in range */
1170 if (ival < 0 || ival > tv->num_cols || ival == col)
1171 {
1172 ERR("bad column ref (%u) for stream\n", ival);
1173 return ERROR_FUNCTION_FAILED;
1174 }
1175
1176 if ( tv->columns[ival - 1].type & MSITYPE_STRING )
1177 {
1178 /* now get the column with the name of the stream */
1179 r = view->ops->fetch_int( view, row, ival, &refcol );
1180 if ( r != ERROR_SUCCESS )
1181 return r;
1182
1183 /* lookup the string value from the string table */
1184 sval = msi_string_lookup_id( tv->db->strings, refcol );
1185 if ( !sval )
1186 return ERROR_INVALID_PARAMETER;
1187 }
1188 else
1189 {
1190 static const WCHAR fmt[] = { '%','d',0 };
1191 sprintfW( number, fmt, ival );
1192 sval = number;
1193 }
1194
1195 len = lstrlenW( tv->name ) + 2 + lstrlenW( sval );
1196 full_name = msi_alloc( len*sizeof(WCHAR) );
1197 lstrcpyW( full_name, tv->name );
1198 lstrcatW( full_name, szDot );
1199 lstrcatW( full_name, sval );
1200
1201 r = db_get_raw_stream( tv->db, full_name, stm );
1202 if( r )
1203 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1204 msi_free( full_name );
1205
1206 return r;
1207 }
1208
1209 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1210 {
1211 UINT offset, n, i;
1212 BYTE **data;
1213
1214 if( !tv->table )
1215 return ERROR_INVALID_PARAMETER;
1216
1217 if( (col==0) || (col>tv->num_cols) )
1218 return ERROR_INVALID_PARAMETER;
1219
1220 if( row >= tv->table->row_count + tv->table->nonpersistent_row_count )
1221 return ERROR_INVALID_PARAMETER;
1222
1223 if( tv->columns[col-1].offset >= tv->row_size )
1224 {
1225 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1226 ERR("%p %p\n", tv, tv->columns );
1227 return ERROR_FUNCTION_FAILED;
1228 }
1229
1230 msi_free( tv->columns[col-1].hash_table );
1231 tv->columns[col-1].hash_table = NULL;
1232
1233 if (row >= tv->table->row_count)
1234 {
1235 row -= tv->table->row_count;
1236 data = tv->table->nonpersistent_data;
1237 }
1238 else
1239 data = tv->table->data;
1240
1241 n = bytes_per_column( &tv->columns[col-1] );
1242 if ( n != 2 && n != 3 && n != 4 )
1243 {
1244 ERR("oops! what is %d bytes per column?\n", n );
1245 return ERROR_FUNCTION_FAILED;
1246 }
1247
1248 offset = tv->columns[col-1].offset;
1249 for ( i = 0; i < n; i++ )
1250 data[row][offset + i] = (val >> i * 8) & 0xff;
1251
1252 return ERROR_SUCCESS;
1253 }
1254
1255 static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
1256 {
1257 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1258 UINT i, val, r = ERROR_SUCCESS;
1259
1260 if ( !tv->table )
1261 return ERROR_INVALID_PARAMETER;
1262
1263 /* test if any of the mask bits are invalid */
1264 if ( mask >= (1<<tv->num_cols) )
1265 return ERROR_INVALID_PARAMETER;
1266
1267 for ( i = 0; i < tv->num_cols; i++ )
1268 {
1269 BOOL persistent;
1270
1271 /* only update the fields specified in the mask */
1272 if ( !(mask&(1<<i)) )
1273 continue;
1274
1275 /* if row >= tv->table->row_count then it is a non-persistent row */
1276 persistent = tv->table->persistent && (row < tv->table->row_count);
1277 /* FIXME: should we allow updating keys? */
1278
1279 val = 0;
1280 if ( !MSI_RecordIsNull( rec, i + 1 ) )
1281 {
1282 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1283 {
1284 val = 1; /* refers to the first key column */
1285 }
1286 else if ( tv->columns[i].type & MSITYPE_STRING )
1287 {
1288 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1289 val = msi_addstringW( tv->db->strings, 0, sval, -1, 1,
1290 persistent ? StringPersistent : StringNonPersistent );
1291 }
1292 else if ( 2 == bytes_per_column( &tv->columns[ i ] ) )
1293 {
1294 val = 0x8000 + MSI_RecordGetInteger( rec, i + 1 );
1295 if ( val & 0xffff0000 )
1296 {
1297 ERR("field %u value %d out of range\n", i+1, val - 0x8000 );
1298 return ERROR_FUNCTION_FAILED;
1299 }
1300 }
1301 else
1302 {
1303 INT ival = MSI_RecordGetInteger( rec, i + 1 );
1304 val = ival ^ 0x80000000;
1305 }
1306 }
1307
1308 r = TABLE_set_int( tv, row, i+1, val );
1309 if ( r != ERROR_SUCCESS )
1310 break;
1311 }
1312 return r;
1313 }
1314
1315 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1316 {
1317 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1318 BYTE **p, *row;
1319 UINT sz;
1320 BYTE ***data_ptr;
1321 UINT *row_count;
1322
1323 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1324
1325 if( !tv->table )
1326 return ERROR_INVALID_PARAMETER;
1327
1328 row = msi_alloc_zero( tv->row_size );
1329 if( !row )
1330 return ERROR_NOT_ENOUGH_MEMORY;
1331
1332 if( temporary )
1333 {
1334 row_count = &tv->table->nonpersistent_row_count;
1335 data_ptr = &tv->table->nonpersistent_data;
1336 *num = tv->table->row_count + tv->table->nonpersistent_row_count;
1337 }
1338 else
1339 {
1340 row_count = &tv->table->row_count;
1341 data_ptr = &tv->table->data;
1342 *num = tv->table->row_count;
1343 }
1344
1345 sz = (*row_count + 1) * sizeof (BYTE*);
1346 if( *data_ptr )
1347 p = msi_realloc( *data_ptr, sz );
1348 else
1349 p = msi_alloc( sz );
1350 if( !p )
1351 {
1352 msi_free( row );
1353 return ERROR_NOT_ENOUGH_MEMORY;
1354 }
1355
1356 *data_ptr = p;
1357 (*data_ptr)[*row_count] = row;
1358 (*row_count)++;
1359
1360 return ERROR_SUCCESS;
1361 }
1362
1363 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1364 {
1365 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1366
1367 TRACE("%p %p\n", tv, record);
1368
1369 TRACE("There are %d columns\n", tv->num_cols );
1370
1371 return ERROR_SUCCESS;
1372 }
1373
1374 static UINT TABLE_close( struct tagMSIVIEW *view )
1375 {
1376 TRACE("%p\n", view );
1377
1378 return ERROR_SUCCESS;
1379 }
1380
1381 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1382 {
1383 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1384
1385 TRACE("%p %p %p\n", view, rows, cols );
1386
1387 if( cols )
1388 *cols = tv->num_cols;
1389 if( rows )
1390 {
1391 if( !tv->table )
1392 return ERROR_INVALID_PARAMETER;
1393 *rows = tv->table->row_count + tv->table->nonpersistent_row_count;
1394 }
1395
1396 return ERROR_SUCCESS;
1397 }
1398
1399 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1400 UINT n, LPWSTR *name, UINT *type )
1401 {
1402 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1403
1404 TRACE("%p %d %p %p\n", tv, n, name, type );
1405
1406 if( ( n == 0 ) || ( n > tv->num_cols ) )
1407 return ERROR_INVALID_PARAMETER;
1408
1409 if( name )
1410 {
1411 *name = strdupW( tv->columns[n-1].colname );
1412 if( !*name )
1413 return ERROR_FUNCTION_FAILED;
1414 }
1415 if( type )
1416 *type = tv->columns[n-1].type;
1417
1418 return ERROR_SUCCESS;
1419 }
1420
1421 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1422
1423 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1424 {
1425 UINT r, row, i;
1426
1427 /* check there's no null values where they're not allowed */
1428 for( i = 0; i < tv->num_cols; i++ )
1429 {
1430 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1431 continue;
1432
1433 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1434 TRACE("skipping binary column\n");
1435 else if ( tv->columns[i].type & MSITYPE_STRING )
1436 {
1437 LPCWSTR str;
1438
1439 str = MSI_RecordGetString( rec, i+1 );
1440 if (str == NULL || str[0] == 0)
1441 return ERROR_INVALID_DATA;
1442 }
1443 else
1444 {
1445 UINT n;
1446
1447 n = MSI_RecordGetInteger( rec, i+1 );
1448 if (n == MSI_NULL_INTEGER)
1449 return ERROR_INVALID_DATA;
1450 }
1451 }
1452
1453 /* check there's no duplicate keys */
1454 r = msi_table_find_row( tv, rec, &row );
1455 if (r == ERROR_SUCCESS)
1456 return ERROR_INVALID_DATA;
1457
1458 return ERROR_SUCCESS;
1459 }
1460
1461 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, BOOL temporary )
1462 {
1463 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1464 UINT r, row = -1;
1465
1466 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1467
1468 /* check that the key is unique - can we find a matching row? */
1469 r = table_validate_new( tv, rec );
1470 if( r != ERROR_SUCCESS )
1471 return ERROR_FUNCTION_FAILED;
1472
1473 r = table_create_new_row( view, &row, temporary );
1474 TRACE("insert_row returned %08x\n", r);
1475 if( r != ERROR_SUCCESS )
1476 return r;
1477
1478 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1479 }
1480
1481 static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row )
1482 {
1483 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1484 UINT r, num_rows, num_cols;
1485 BYTE *src, *dest;
1486
1487 TRACE("%p %d\n", tv, row);
1488
1489 if ( !tv->table )
1490 return ERROR_INVALID_PARAMETER;
1491
1492 r = TABLE_get_dimensions( view, &num_rows, &num_cols );
1493 if ( r != ERROR_SUCCESS )
1494 return r;
1495
1496 if ( row >= num_rows )
1497 return ERROR_FUNCTION_FAILED;
1498
1499 tv->table->row_count--;
1500
1501 if ( row == num_rows - 1 )
1502 return ERROR_SUCCESS;
1503
1504 dest = tv->table->data[row];
1505 src = tv->table->data[row + 1];
1506 memmove(dest, src, (num_rows - row - 1) * tv->row_size);
1507 return ERROR_SUCCESS;
1508 }
1509
1510 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1511 MSIRECORD *rec)
1512 {
1513 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1514 UINT r;
1515
1516 TRACE("%p %d %p\n", view, eModifyMode, rec );
1517
1518 switch (eModifyMode)
1519 {
1520 case MSIMODIFY_VALIDATE_NEW:
1521 r = table_validate_new( tv, rec );
1522 break;
1523
1524 case MSIMODIFY_INSERT_TEMPORARY:
1525 r = table_validate_new( tv, rec );
1526 if (r != ERROR_SUCCESS)
1527 break;
1528 r = TABLE_insert_row( view, rec, TRUE );
1529 break;
1530
1531 case MSIMODIFY_REFRESH:
1532 case MSIMODIFY_INSERT:
1533 case MSIMODIFY_UPDATE:
1534 case MSIMODIFY_ASSIGN:
1535 case MSIMODIFY_REPLACE:
1536 case MSIMODIFY_MERGE:
1537 case MSIMODIFY_DELETE:
1538 case MSIMODIFY_VALIDATE:
1539 case MSIMODIFY_VALIDATE_FIELD:
1540 case MSIMODIFY_VALIDATE_DELETE:
1541 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1542 r = ERROR_CALL_NOT_IMPLEMENTED;
1543 break;
1544
1545 default:
1546 r = ERROR_INVALID_DATA;
1547 }
1548
1549 return r;
1550 }
1551
1552 static UINT TABLE_delete( struct tagMSIVIEW *view )
1553 {
1554 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1555
1556 TRACE("%p\n", view );
1557
1558 tv->table = NULL;
1559
1560 tv->columns = NULL;
1561
1562 msi_free( tv );
1563
1564 return ERROR_SUCCESS;
1565 }
1566
1567 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1568 UINT val, UINT *row, MSIITERHANDLE *handle )
1569 {
1570 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1571 const MSICOLUMNHASHENTRY *entry;
1572
1573 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1574
1575 if( !tv->table )
1576 return ERROR_INVALID_PARAMETER;
1577
1578 if( (col==0) || (col > tv->num_cols) )
1579 return ERROR_INVALID_PARAMETER;
1580
1581 if( !tv->columns[col-1].hash_table )
1582 {
1583 UINT i;
1584 UINT num_rows = tv->table->row_count + tv->table->nonpersistent_row_count;
1585 MSICOLUMNHASHENTRY **hash_table;
1586 MSICOLUMNHASHENTRY *new_entry;
1587
1588 if( tv->columns[col-1].offset >= tv->row_size )
1589 {
1590 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1591 ERR("%p %p\n", tv, tv->columns );
1592 return ERROR_FUNCTION_FAILED;
1593 }
1594
1595 /* allocate contiguous memory for the table and its entries so we
1596 * don't have to do an expensive cleanup */
1597 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1598 num_rows * sizeof(MSICOLUMNHASHENTRY));
1599 if (!hash_table)
1600 return ERROR_OUTOFMEMORY;
1601
1602 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1603 tv->columns[col-1].hash_table = hash_table;
1604
1605 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1606
1607 for (i = 0; i < num_rows; i++, new_entry++)
1608 {
1609 UINT row_value;
1610
1611 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
1612 continue;
1613
1614 new_entry->next = NULL;
1615 new_entry->value = row_value;
1616 new_entry->row = i;
1617 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1618 {
1619 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1620 while (prev_entry->next)
1621 prev_entry = prev_entry->next;
1622 prev_entry->next = new_entry;
1623 }
1624 else
1625 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1626 }
1627 }
1628
1629 if( !*handle )
1630 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1631 else
1632 entry = (*handle)->next;
1633
1634 while (entry && entry->value != val)
1635 entry = entry->next;
1636
1637 *handle = entry;
1638 if (!entry)
1639 return ERROR_NO_MORE_ITEMS;
1640
1641 *row = entry->row;
1642 return ERROR_SUCCESS;
1643 }
1644
1645
1646 static const MSIVIEWOPS table_ops =
1647 {
1648 TABLE_fetch_int,
1649 TABLE_fetch_stream,
1650 TABLE_set_row,
1651 TABLE_insert_row,
1652 TABLE_delete_row,
1653 TABLE_execute,
1654 TABLE_close,
1655 TABLE_get_dimensions,
1656 TABLE_get_column_info,
1657 TABLE_modify,
1658 TABLE_delete,
1659 TABLE_find_matching_rows
1660 };
1661
1662 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
1663 {
1664 MSITABLEVIEW *tv ;
1665 UINT r, sz;
1666
1667 static const WCHAR Streams[] = {'_','S','t','r','e','a','m','s',0};
1668
1669 TRACE("%p %s %p\n", db, debugstr_w(name), view );
1670
1671 if ( !lstrcmpW( name, Streams ) )
1672 return STREAMS_CreateView( db, view );
1673
1674 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
1675 tv = msi_alloc_zero( sz );
1676 if( !tv )
1677 return ERROR_FUNCTION_FAILED;
1678
1679 r = get_table( db, name, &tv->table );
1680 if( r != ERROR_SUCCESS )
1681 {
1682 msi_free( tv );
1683 WARN("table not found\n");
1684 return r;
1685 }
1686
1687 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
1688
1689 /* fill the structure */
1690 tv->view.ops = &table_ops;
1691 tv->db = db;
1692 tv->columns = tv->table->colinfo;
1693 tv->num_cols = tv->table->col_count;
1694 tv->row_size = msi_table_get_row_size( tv->table->colinfo, tv->table->col_count );
1695
1696 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
1697
1698 *view = (MSIVIEW*) tv;
1699 lstrcpyW( tv->name, name );
1700
1701 return ERROR_SUCCESS;
1702 }
1703
1704 UINT MSI_CommitTables( MSIDATABASE *db )
1705 {
1706 UINT r;
1707 MSITABLE *table = NULL;
1708
1709 TRACE("%p\n",db);
1710
1711 r = msi_save_string_table( db->strings, db->storage );
1712 if( r != ERROR_SUCCESS )
1713 {
1714 WARN("failed to save string table r=%08x\n",r);
1715 return r;
1716 }
1717
1718 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
1719 {
1720 r = save_table( db, table );
1721 if( r != ERROR_SUCCESS )
1722 {
1723 WARN("failed to save table %s (r=%08x)\n",
1724 debugstr_w(table->name), r);
1725 return r;
1726 }
1727 }
1728
1729 /* force everything to reload next time */
1730 free_cached_tables( db );
1731
1732 return ERROR_SUCCESS;
1733 }
1734
1735 MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table )
1736 {
1737 MSITABLE *t;
1738 UINT r;
1739
1740 TRACE("%p %s\n", db, debugstr_w(table));
1741
1742 if (!table)
1743 return MSICONDITION_ERROR;
1744
1745 r = get_table( db, table, &t );
1746 if (r != ERROR_SUCCESS)
1747 return MSICONDITION_NONE;
1748
1749 if (t->persistent)
1750 return MSICONDITION_TRUE;
1751 else
1752 return MSICONDITION_FALSE;
1753 }
1754
1755 static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes)
1756 {
1757 UINT ret = 0, i;
1758
1759 for (i = 0; i < bytes; i++)
1760 ret += (data[col + i] << i * 8);
1761
1762 return ret;
1763 }
1764
1765 static MSIRECORD *msi_get_transform_record( const MSITABLEVIEW *tv, const string_table *st,
1766 const BYTE *rawdata, UINT bytes_per_strref )
1767 {
1768 UINT i, val, ofs = 0;
1769 USHORT mask;
1770 MSICOLUMNINFO *columns = tv->columns;
1771 MSIRECORD *rec;
1772
1773 mask = rawdata[0] | (rawdata[1] << 8);
1774 rawdata += 2;
1775
1776 rec = MSI_CreateRecord( tv->num_cols );
1777 if( !rec )
1778 return rec;
1779
1780 TRACE("row ->\n");
1781 for( i=0; i<tv->num_cols; i++ )
1782 {
1783 if ( (mask&1) && (i>=(mask>>8)) )
1784 break;
1785 /* all keys must be present */
1786 if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) )
1787 continue;
1788
1789 if( (columns[i].type & MSITYPE_STRING) &&
1790 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
1791 {
1792 LPCWSTR sval;
1793
1794 val = read_raw_int(rawdata, ofs, bytes_per_strref);
1795 sval = msi_string_lookup_id( st, val );
1796 MSI_RecordSetStringW( rec, i+1, sval );
1797 TRACE(" field %d [%s]\n", i+1, debugstr_w(sval));
1798 ofs += bytes_per_strref;
1799 }
1800 else
1801 {
1802 UINT n = bytes_per_column( &columns[i] );
1803 switch( n )
1804 {
1805 case 2:
1806 val = read_raw_int(rawdata, ofs, n);
1807 if (val)
1808 MSI_RecordSetInteger( rec, i+1, val^0x8000 );
1809 TRACE(" field %d [0x%04x]\n", i+1, val );
1810 break;
1811 case 4:
1812 val = read_raw_int(rawdata, ofs, n);
1813 if (val)
1814 MSI_RecordSetInteger( rec, i+1, val^0x80000000 );
1815 TRACE(" field %d [0x%08x]\n", i+1, val );
1816 break;
1817 default:
1818 ERR("oops - unknown column width %d\n", n);
1819 break;
1820 }
1821 ofs += n;
1822 }
1823 }
1824 return rec;
1825 }
1826
1827 static void dump_record( MSIRECORD *rec )
1828 {
1829 UINT i, n;
1830
1831 n = MSI_RecordGetFieldCount( rec );
1832 for( i=1; i<=n; i++ )
1833 {
1834 LPCWSTR sval = MSI_RecordGetString( rec, i );
1835
1836 if( MSI_RecordIsNull( rec, i ) )
1837 TRACE("row -> []\n");
1838 else if( (sval = MSI_RecordGetString( rec, i )) )
1839 TRACE("row -> [%s]\n", debugstr_w(sval));
1840 else
1841 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) );
1842 }
1843 }
1844
1845 static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize )
1846 {
1847 LPCWSTR sval;
1848 UINT i;
1849
1850 for( i=0; i<(rawsize/2); i++ )
1851 {
1852 sval = msi_string_lookup_id( st, rawdata[i] );
1853 MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) );
1854 }
1855 }
1856
1857 static UINT* msi_record_to_row( const MSITABLEVIEW *tv, MSIRECORD *rec )
1858 {
1859 LPCWSTR str;
1860 UINT i, r, *data;
1861
1862 data = msi_alloc( tv->num_cols *sizeof (UINT) );
1863 for( i=0; i<tv->num_cols; i++ )
1864 {
1865 data[i] = 0;
1866
1867 if ( ~tv->columns[i].type & MSITYPE_KEY )
1868 continue;
1869
1870 /* turn the transform column value into a row value */
1871 if ( ( tv->columns[i].type & MSITYPE_STRING ) &&
1872 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
1873 {
1874 str = MSI_RecordGetString( rec, i+1 );
1875 r = msi_string2idW( tv->db->strings, str, &data[i] );
1876
1877 /* if there's no matching string in the string table,
1878 these keys can't match any record, so fail now. */
1879 if( ERROR_SUCCESS != r )
1880 {
1881 msi_free( data );
1882 return NULL;
1883 }
1884 }
1885 else
1886 {
1887 data[i] = MSI_RecordGetInteger( rec, i+1 );
1888 if ((tv->columns[i].type&0xff) == 2)
1889 data[i] += 0x8000;
1890 else
1891 data[i] += 0x80000000;
1892 }
1893 }
1894 return data;
1895 }
1896
1897 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data )
1898 {
1899 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
1900
1901 for( i=0; i<tv->num_cols; i++ )
1902 {
1903 if ( ~tv->columns[i].type & MSITYPE_KEY )
1904 continue;
1905
1906 /* turn the transform column value into a row value */
1907 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
1908 if ( r != ERROR_SUCCESS )
1909 {
1910 ERR("TABLE_fetch_int shouldn't fail here\n");
1911 break;
1912 }
1913
1914 /* if this key matches, move to the next column */
1915 if ( x != data[i] )
1916 {
1917 ret = ERROR_FUNCTION_FAILED;
1918 break;
1919 }
1920
1921 ret = ERROR_SUCCESS;
1922 }
1923
1924 return ret;
1925 }
1926
1927 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
1928 {
1929 UINT i, r = ERROR_FUNCTION_FAILED, *data;
1930
1931 data = msi_record_to_row( tv, rec );
1932 if( !data )
1933 return r;
1934 for( i = 0; i < tv->table->row_count + tv->table->nonpersistent_row_count; i++ )
1935 {
1936 r = msi_row_matches( tv, i, data );
1937 if( r == ERROR_SUCCESS )
1938 {
1939 *row = i;
1940 break;
1941 }
1942 }
1943 msi_free( data );
1944 return r;
1945 }
1946
1947 static void msi_update_table_columns( MSIDATABASE *db, LPWSTR name )
1948 {
1949 MSITABLE *table;
1950 UINT size, offset;
1951 int n;
1952
1953 table = find_cached_table( db, name );
1954 msi_free( table->colinfo );
1955 table_get_column_info( db, name, &table->colinfo, &table->col_count );
1956
1957 size = msi_table_get_row_size( table->colinfo, table->col_count );
1958 offset = table->colinfo[table->col_count - 1].offset;
1959
1960 for ( n = 0; n < table->row_count; n++ )
1961 {
1962 table->data[n] = msi_realloc( table->data[n], size );
1963 table->data[n][offset] = (BYTE)MSI_NULL_INTEGER;
1964 }
1965 }
1966
1967 typedef struct
1968 {
1969 struct list entry;
1970 LPWSTR name;
1971 } TRANSFORMDATA;
1972
1973 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
1974 string_table *st, TRANSFORMDATA *transform,
1975 UINT bytes_per_strref )
1976 {
1977 UINT rawsize = 0;
1978 BYTE *rawdata = NULL;
1979 MSITABLEVIEW *tv = NULL;
1980 UINT r, n, sz, i, mask;
1981 MSIRECORD *rec = NULL;
1982 UINT colcol = 0;
1983 WCHAR coltable[32];
1984 LPWSTR name;
1985
1986 if (!transform)
1987 return ERROR_SUCCESS;
1988
1989 name = transform->name;
1990
1991 coltable[0] = 0;
1992 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
1993
1994 /* read the transform data */
1995 read_stream_data( stg, name, TRUE, &rawdata, &rawsize );
1996 if ( !rawdata )
1997 {
1998 TRACE("table %s empty\n", debugstr_w(name) );
1999 return ERROR_INVALID_TABLE;
2000 }
2001
2002 /* create a table view */
2003 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
2004 if( r != ERROR_SUCCESS )
2005 goto err;
2006
2007 r = tv->view.ops->execute( &tv->view, NULL );
2008 if( r != ERROR_SUCCESS )
2009 goto err;
2010
2011 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2012 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
2013
2014 /* interpret the data */
2015 r = ERROR_SUCCESS;
2016 for( n=0; n < rawsize; )
2017 {
2018 mask = rawdata[n] | (rawdata[n+1] << 8);
2019
2020 if (mask&1)
2021 {
2022 /*
2023 * if the low bit is set, columns are continuous and
2024 * the number of columns is specified in the high byte
2025 */
2026 sz = 2;
2027 for( i=0; i<tv->num_cols; i++ )
2028 {
2029 if( (tv->columns[i].type & MSITYPE_STRING) &&
2030 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2031 sz += bytes_per_strref;
2032 else
2033 sz += bytes_per_column( &tv->columns[i] );
2034 }
2035 }
2036 else
2037 {
2038 /*
2039 * If the low bit is not set, mask is a bitmask.
2040 * Excepting for key fields, which are always present,
2041 * each bit indicates that a field is present in the transform record.
2042 *
2043 * mask == 0 is a special case ... only the keys will be present
2044 * and it means that this row should be deleted.
2045 */
2046 sz = 2;
2047 for( i=0; i<tv->num_cols; i++ )
2048 {
2049 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
2050 {
2051 if( (tv->columns[i].type & MSITYPE_STRING) &&
2052 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2053 sz += bytes_per_strref;
2054 else
2055 sz += bytes_per_column( &tv->columns[i] );
2056 }
2057 }
2058 }
2059
2060 /* check we didn't run of the end of the table */
2061 if ( (n+sz) > rawsize )
2062 {
2063 ERR("borked.\n");
2064 dump_table( st, (USHORT *)rawdata, rawsize );
2065 break;
2066 }
2067
2068 rec = msi_get_transform_record( tv, st, &rawdata[n], bytes_per_strref );
2069 if (rec)
2070 {
2071 if ( mask & 1 )
2072 {
2073 WCHAR table[32];
2074 DWORD sz = 32;
2075 UINT number = MSI_NULL_INTEGER;
2076
2077 TRACE("inserting record\n");
2078
2079 if (!lstrcmpW(name, szColumns))
2080 {
2081 MSI_RecordGetStringW( rec, 1, table, &sz );
2082 number = MSI_RecordGetInteger( rec, 2 );
2083
2084 /*
2085 * Native msi seems writes nul into the Number (2nd) column of
2086 * the _Columns table, only when the columns are from a new table
2087 */
2088 if ( number == MSI_NULL_INTEGER )
2089 {
2090 /* reset the column number on a new table */
2091 if ( lstrcmpW(coltable, table) )
2092 {
2093 colcol = 0;
2094 lstrcpyW( coltable, table );
2095 }
2096
2097 /* fix nul column numbers */
2098 MSI_RecordSetInteger( rec, 2, ++colcol );
2099 }
2100 }
2101
2102 r = TABLE_insert_row( &tv->view, rec, FALSE );
2103 if (r != ERROR_SUCCESS)
2104 ERR("insert row failed\n");
2105
2106 if ( number != MSI_NULL_INTEGER && !lstrcmpW(name, szColumns) )
2107 msi_update_table_columns( db, table );
2108 }
2109 else
2110 {
2111 UINT row = 0;
2112
2113 r = msi_table_find_row( tv, rec, &row );
2114 if (r != ERROR_SUCCESS)
2115 ERR("no matching row to transform\n");
2116 else if ( mask )
2117 {
2118 TRACE("modifying row [%d]:\n", row);
2119 TABLE_set_row( &tv->view, row, rec, mask );
2120 }
2121 else
2122 {
2123 TRACE("deleting row [%d]:\n", row);
2124 TABLE_delete_row( &tv->view, row );
2125 }
2126 }
2127 if( TRACE_ON(msidb) ) dump_record( rec );
2128 msiobj_release( &rec->hdr );
2129 }
2130
2131 n += sz;
2132 }
2133
2134 err:
2135 /* no need to free the table, it's associated with the database */
2136 msi_free( rawdata );
2137 if( tv )
2138 tv->view.ops->delete( &tv->view );
2139
2140 return ERROR_SUCCESS;
2141 }
2142
2143 /*
2144 * msi_table_apply_transform
2145 *
2146 * Enumerate the table transforms in a transform storage and apply each one.
2147 */
2148 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2149 {
2150 struct list transforms;
2151 IEnumSTATSTG *stgenum = NULL;
2152 TRANSFORMDATA *transform;
2153 TRANSFORMDATA *tables = NULL, *columns = NULL;
2154 HRESULT r;
2155 STATSTG stat;
2156 string_table *strings;
2157 UINT ret = ERROR_FUNCTION_FAILED;
2158 UINT bytes_per_strref;
2159
2160 TRACE("%p %p\n", db, stg );
2161
2162 strings = msi_load_string_table( stg, &bytes_per_strref );
2163 if( !strings )
2164 goto end;
2165
2166 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2167 if( FAILED( r ) )
2168 goto end;
2169
2170 list_init(&transforms);
2171
2172 while ( TRUE )
2173 {
2174 MSITABLEVIEW *tv = NULL;
2175 WCHAR name[0x40];
2176 ULONG count = 0;
2177
2178 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2179 if ( FAILED( r ) || !count )
2180 break;
2181
2182 decode_streamname( stat.pwcsName, name );
2183 if ( name[0] != 0x4840 )
2184 continue;
2185
2186 if ( !lstrcmpW( name+1, szStringPool ) ||
2187 !lstrcmpW( name+1, szStringData ) )
2188 continue;
2189
2190 transform = msi_alloc_zero( sizeof(TRANSFORMDATA) );
2191 if ( !transform )
2192 break;
2193
2194 list_add_tail( &transforms, &transform->entry );
2195
2196 transform->name = strdupW( name + 1 );
2197
2198 if ( !lstrcmpW( transform->name, szTables ) )
2199 tables = transform;
2200 else if (!lstrcmpW( transform->name, szColumns ) )
2201 columns = transform;
2202
2203 TRACE("transform contains stream %s\n", debugstr_w(name));
2204
2205 /* load the table */
2206 r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv );
2207 if( r != ERROR_SUCCESS )
2208 continue;
2209
2210 r = tv->view.ops->execute( &tv->view, NULL );
2211 if( r != ERROR_SUCCESS )
2212 {
2213 tv->view.ops->delete( &tv->view );
2214 continue;
2215 }
2216
2217 tv->view.ops->delete( &tv->view );
2218 }
2219
2220 /*
2221 * Apply _Tables and _Columns transforms first so that
2222 * the table metadata is correct, and empty tables exist.
2223 */
2224 ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref );
2225 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2226 goto end;
2227
2228 ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref );
2229 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2230 goto end;
2231
2232 ret = ERROR_SUCCESS;
2233
2234 while ( !list_empty( &transforms ) )
2235 {
2236 transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry );
2237
2238 if ( lstrcmpW( transform->name, szColumns ) &&
2239 lstrcmpW( transform->name, szTables ) &&
2240 ret == ERROR_SUCCESS )
2241 {
2242 ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref );
2243 }
2244
2245 list_remove( &transform->entry );
2246 msi_free( transform->name );
2247 msi_free( transform );
2248 }
2249
2250 if ( ret == ERROR_SUCCESS )
2251 append_storage_to_db( db, stg );
2252
2253 end:
2254 if ( stgenum )
2255 IEnumSTATSTG_Release( stgenum );
2256 if ( strings )
2257 msi_destroy_stringtable( strings );
2258
2259 return ret;
2260 }
2261
2262 void append_storage_to_db( MSIDATABASE *db, IStorage *stg )
2263 {
2264 MSITRANSFORM *t;
2265
2266 t = msi_alloc( sizeof *t );
2267 t->stg = stg;
2268 IStorage_AddRef( stg );
2269 list_add_tail( &db->transforms, &t->entry );
2270 }
2271
2272 void msi_free_transforms( MSIDATABASE *db )
2273 {
2274 while( !list_empty( &db->transforms ) )
2275 {
2276 MSITRANSFORM *t = LIST_ENTRY( list_head( &db->transforms ),
2277 MSITRANSFORM, entry );
2278 list_remove( &t->entry );
2279 IStorage_Release( t->stg );
2280 msi_free( t );
2281 }
2282 }
Windows API implementation