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msi: Store the _Columns and _Tables tables in the database structure.
[wine/wine64.git] / dlls / msi / table.c
blob49b5cb6154f90952eac1e9db7ace659f3fd31201
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 MSICOLUMNHASHENTRY **hash_table;
63 } MSICOLUMNINFO;
64
65 typedef struct tagMSIORDERINFO
66 {
67 UINT *reorder;
68 UINT num_cols;
69 UINT cols[1];
70 } MSIORDERINFO;
71
72 struct tagMSITABLE
73 {
74 BYTE **data;
75 UINT row_count;
76 BYTE **nonpersistent_data;
77 UINT nonpersistent_row_count;
78 struct list entry;
79 MSICOLUMNINFO *colinfo;
80 UINT col_count;
81 BOOL 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, NULL },
106 { szColumns, 2, szNumber, MSITYPE_VALID | MSITYPE_KEY | 2, 2, 0, NULL },
107 { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4, 0, NULL },
108 { szColumns, 4, szType, MSITYPE_VALID | 2, 6, 0, NULL },
109 };
110
111 static const MSICOLUMNINFO _Tables_cols[1] = {
112 { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 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 if( col->type & MSITYPE_STRING )
130 return db->bytes_per_strref;
131 if( (col->type & 0xff) > 4 )
132 ERR("Invalid column size!\n");
133 return col->type & 0xff;
134 }
135
136 static int utf2mime(int x)
137 {
138 if( (x>='0') && (x<='9') )
139 return x-'0';
140 if( (x>='A') && (x<='Z') )
141 return x-'A'+10;
142 if( (x>='a') && (x<='z') )
143 return x-'a'+10+26;
144 if( x=='.' )
145 return 10+26+26;
146 if( x=='_' )
147 return 10+26+26+1;
148 return -1;
149 }
150
151 LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
152 {
153 DWORD count = MAX_STREAM_NAME;
154 DWORD ch, next;
155 LPWSTR out, p;
156
157 if( !bTable )
158 count = lstrlenW( in )+2;
159 out = msi_alloc( count*sizeof(WCHAR) );
160 p = out;
161
162 if( bTable )
163 {
164 *p++ = 0x4840;
165 count --;
166 }
167 while( count -- )
168 {
169 ch = *in++;
170 if( !ch )
171 {
172 *p = ch;
173 return out;
174 }
175 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
176 {
177 ch = utf2mime(ch) + 0x4800;
178 next = *in;
179 if( next && (next<0x80) )
180 {
181 next = utf2mime(next);
182 if( next != -1 )
183 {
184 next += 0x3ffffc0;
185 ch += (next<<6);
186 in++;
187 }
188 }
189 }
190 *p++ = ch;
191 }
192 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
193 msi_free( out );
194 return NULL;
195 }
196
197 static int mime2utf(int x)
198 {
199 if( x<10 )
200 return x + '0';
201 if( x<(10+26))
202 return x - 10 + 'A';
203 if( x<(10+26+26))
204 return x - 10 - 26 + 'a';
205 if( x == (10+26+26) )
206 return '.';
207 return '_';
208 }
209
210 BOOL decode_streamname(LPCWSTR in, LPWSTR out)
211 {
212 WCHAR ch;
213 DWORD count = 0;
214
215 while ( (ch = *in++) )
216 {
217 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
218 {
219 if( ch >= 0x4800 )
220 ch = mime2utf(ch-0x4800);
221 else
222 {
223 ch -= 0x3800;
224 *out++ = mime2utf(ch&0x3f);
225 count++;
226 ch = mime2utf((ch>>6)&0x3f);
227 }
228 }
229 *out++ = ch;
230 count++;
231 }
232 *out = 0;
233 return count;
234 }
235
236 void enum_stream_names( IStorage *stg )
237 {
238 IEnumSTATSTG *stgenum = NULL;
239 HRESULT r;
240 STATSTG stat;
241 ULONG n, count;
242 WCHAR name[0x40];
243
244 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
245 if( FAILED( r ) )
246 return;
247
248 n = 0;
249 while( 1 )
250 {
251 count = 0;
252 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
253 if( FAILED( r ) || !count )
254 break;
255 decode_streamname( stat.pwcsName, name );
256 TRACE("stream %2d -> %s %s\n", n,
257 debugstr_w(stat.pwcsName), debugstr_w(name) );
258 CoTaskMemFree( stat.pwcsName );
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 UINT 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 msi_free_colinfo( table->colinfo, table->col_count );
482 msi_free( table->colinfo );
483 msi_free( table );
484 }
485
486 static UINT msi_table_get_row_size( MSIDATABASE *db,const MSICOLUMNINFO *cols,
487 UINT count )
488 {
489 const MSICOLUMNINFO *last_col = &cols[count-1];
490 if (!count)
491 return 0;
492 return last_col->offset + bytes_per_column( db, last_col );
493 }
494
495 /* add this table to the list of cached tables in the database */
496 static UINT read_table_from_storage( MSIDATABASE *db, MSITABLE *t, IStorage *stg )
497 {
498 BYTE *rawdata = NULL;
499 UINT rawsize = 0, i, j, row_size = 0;
500
501 TRACE("%s\n",debugstr_w(t->name));
502
503 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count );
504
505 /* if we can't read the table, just assume that it's empty */
506 read_stream_data( stg, t->name, TRUE, &rawdata, &rawsize );
507 if( !rawdata )
508 return ERROR_SUCCESS;
509
510 TRACE("Read %d bytes\n", rawsize );
511
512 if( rawsize % row_size )
513 {
514 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
515 goto err;
516 }
517
518 t->row_count = rawsize / row_size;
519 t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
520 if( !t->data )
521 goto err;
522
523 /* transpose all the data */
524 TRACE("Transposing data from %d rows\n", t->row_count );
525 for( i=0; i<t->row_count; i++ )
526 {
527 t->data[i] = msi_alloc( row_size );
528 if( !t->data[i] )
529 goto err;
530
531 for( j=0; j<t->col_count; j++ )
532 {
533 UINT ofs = t->colinfo[j].offset;
534 UINT n = bytes_per_column( db, &t->colinfo[j] );
535 UINT k;
536
537 if ( n != 2 && n != 3 && n != 4 )
538 {
539 ERR("oops - unknown column width %d\n", n);
540 goto err;
541 }
542
543 for ( k = 0; k < n; k++ )
544 t->data[i][ofs + k] = rawdata[ofs*t->row_count + i * n + k];
545 }
546 }
547
548 msi_free( rawdata );
549 return ERROR_SUCCESS;
550 err:
551 msi_free( rawdata );
552 return ERROR_FUNCTION_FAILED;
553 }
554
555 void free_cached_tables( MSIDATABASE *db )
556 {
557 while( !list_empty( &db->tables ) )
558 {
559 MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
560
561 list_remove( &t->entry );
562 free_table( t );
563 }
564 }
565
566 static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name )
567 {
568 MSITABLE *t;
569
570 LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
571 if( !lstrcmpW( name, t->name ) )
572 return t;
573
574 return NULL;
575 }
576
577 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
578 {
579 UINT r, column_count = 0;
580 MSICOLUMNINFO *columns;
581
582 /* get the number of columns in this table */
583 column_count = 0;
584 r = get_tablecolumns( db, name, NULL, &column_count );
585 if( r != ERROR_SUCCESS )
586 return r;
587
588 /* if there's no columns, there's no table */
589 if( column_count == 0 )
590 return ERROR_INVALID_PARAMETER;
591
592 TRACE("Table %s found\n", debugstr_w(name) );
593
594 columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO) );
595 if( !columns )
596 return ERROR_FUNCTION_FAILED;
597
598 r = get_tablecolumns( db, name, columns, &column_count );
599 if( r != ERROR_SUCCESS )
600 {
601 msi_free( columns );
602 return ERROR_FUNCTION_FAILED;
603 }
604
605 *pcols = columns;
606 *pcount = column_count;
607
608 return r;
609 }
610
611 UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info,
612 BOOL persistent, MSITABLE **table_ret)
613 {
614 UINT r, nField;
615 MSIVIEW *tv = NULL;
616 MSIRECORD *rec = NULL;
617 column_info *col;
618 MSITABLE *table;
619 UINT i;
620
621 /* only add tables that don't exist already */
622 if( TABLE_Exists(db, name ) )
623 {
624 WARN("table %s exists\n", debugstr_w(name));
625 return ERROR_BAD_QUERY_SYNTAX;
626 }
627
628 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
629 if( !table )
630 return ERROR_FUNCTION_FAILED;
631
632 table->ref_count = 1;
633 table->row_count = 0;
634 table->data = NULL;
635 table->nonpersistent_row_count = 0;
636 table->nonpersistent_data = NULL;
637 table->colinfo = NULL;
638 table->col_count = 0;
639 table->persistent = persistent;
640 lstrcpyW( table->name, name );
641
642 for( col = col_info; col; col = col->next )
643 table->col_count++;
644
645 table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) );
646 if (!table->colinfo)
647 {
648 free_table( table );
649 return ERROR_FUNCTION_FAILED;
650 }
651
652 for( i = 0, col = col_info; col; i++, col = col->next )
653 {
654 table->colinfo[ i ].tablename = strdupW( col->table );
655 table->colinfo[ i ].number = i + 1;
656 table->colinfo[ i ].colname = strdupW( col->column );
657 table->colinfo[ i ].type = col->type;
658 table->colinfo[ i ].offset = 0;
659 table->colinfo[ i ].ref_count = 0;
660 table->colinfo[ i ].hash_table = NULL;
661 }
662 table_calc_column_offsets( db, table->colinfo, table->col_count);
663
664 r = TABLE_CreateView( db, szTables, &tv );
665 TRACE("CreateView returned %x\n", r);
666 if( r )
667 {
668 free_table( table );
669 return r;
670 }
671
672 r = tv->ops->execute( tv, 0 );
673 TRACE("tv execute returned %x\n", r);
674 if( r )
675 goto err;
676
677 rec = MSI_CreateRecord( 1 );
678 if( !rec )
679 goto err;
680
681 r = MSI_RecordSetStringW( rec, 1, name );
682 if( r )
683 goto err;
684
685 r = tv->ops->insert_row( tv, rec, !persistent );
686 TRACE("insert_row returned %x\n", r);
687 if( r )
688 goto err;
689
690 tv->ops->delete( tv );
691 tv = NULL;
692
693 msiobj_release( &rec->hdr );
694 rec = NULL;
695
696 if( persistent )
697 {
698 /* add each column to the _Columns table */
699 r = TABLE_CreateView( db, szColumns, &tv );
700 if( r )
701 return r;
702
703 r = tv->ops->execute( tv, 0 );
704 TRACE("tv execute returned %x\n", r);
705 if( r )
706 goto err;
707
708 rec = MSI_CreateRecord( 4 );
709 if( !rec )
710 goto err;
711
712 r = MSI_RecordSetStringW( rec, 1, name );
713 if( r )
714 goto err;
715
716 /*
717 * need to set the table, column number, col name and type
718 * for each column we enter in the table
719 */
720 nField = 1;
721 for( col = col_info; col; col = col->next )
722 {
723 r = MSI_RecordSetInteger( rec, 2, nField );
724 if( r )
725 goto err;
726
727 r = MSI_RecordSetStringW( rec, 3, col->column );
728 if( r )
729 goto err;
730
731 r = MSI_RecordSetInteger( rec, 4, col->type );
732 if( r )
733 goto err;
734
735 r = tv->ops->insert_row( tv, rec, FALSE );
736 if( r )
737 goto err;
738
739 nField++;
740 }
741 if( !col )
742 r = ERROR_SUCCESS;
743 }
744
745 err:
746 if (rec)
747 msiobj_release( &rec->hdr );
748 /* FIXME: remove values from the string table on error */
749 if( tv )
750 tv->ops->delete( tv );
751
752 if (r == ERROR_SUCCESS)
753 {
754 list_add_head( &db->tables, &table->entry );
755 *table_ret = table;
756 }
757 else
758 free_table( table );
759
760 return r;
761 }
762
763 static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret )
764 {
765 MSITABLE *table;
766 UINT r;
767
768 /* first, see if the table is cached */
769 table = find_cached_table( db, name );
770 if( table )
771 {
772 *table_ret = table;
773 return ERROR_SUCCESS;
774 }
775
776 /* nonexistent tables should be interpreted as empty tables */
777 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
778 if( !table )
779 return ERROR_FUNCTION_FAILED;
780
781 table->row_count = 0;
782 table->data = NULL;
783 table->nonpersistent_row_count = 0;
784 table->nonpersistent_data = NULL;
785 table->colinfo = NULL;
786 table->col_count = 0;
787 table->persistent = TRUE;
788 lstrcpyW( table->name, name );
789
790 r = table_get_column_info( db, name, &table->colinfo, &table->col_count);
791 if (r != ERROR_SUCCESS)
792 {
793 free_table ( table );
794 return r;
795 }
796
797 r = read_table_from_storage( db, table, db->storage );
798 if( r != ERROR_SUCCESS )
799 {
800 free_table( table );
801 return r;
802 }
803
804 list_add_head( &db->tables, &table->entry );
805 *table_ret = table;
806 return ERROR_SUCCESS;
807 }
808
809 static UINT save_table( MSIDATABASE *db, const MSITABLE *t )
810 {
811 BYTE *rawdata = NULL, *p;
812 UINT rawsize, r, i, j, row_size;
813
814 /* Nothing to do for non-persistent tables */
815 if( !t->persistent )
816 return ERROR_SUCCESS;
817
818 TRACE("Saving %s\n", debugstr_w( t->name ) );
819
820 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count );
821
822 rawsize = t->row_count * row_size;
823 rawdata = msi_alloc_zero( rawsize );
824 if( !rawdata )
825 {
826 r = ERROR_NOT_ENOUGH_MEMORY;
827 goto err;
828 }
829
830 p = rawdata;
831 for( i=0; i<t->col_count; i++ )
832 {
833 for( j=0; j<t->row_count; j++ )
834 {
835 UINT offset = t->colinfo[i].offset;
836
837 *p++ = t->data[j][offset];
838 *p++ = t->data[j][offset + 1];
839 if( 4 == bytes_per_column( db, &t->colinfo[i] ) )
840 {
841 *p++ = t->data[j][offset + 2];
842 *p++ = t->data[j][offset + 3];
843 }
844 }
845 }
846
847 TRACE("writing %d bytes\n", rawsize);
848 r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE );
849
850 err:
851 msi_free( rawdata );
852
853 return r;
854 }
855
856 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo,
857 DWORD count )
858 {
859 DWORD i;
860
861 for( i=0; colinfo && (i<count); i++ )
862 {
863 assert( (i+1) == colinfo[ i ].number );
864 if (i)
865 colinfo[i].offset = colinfo[ i - 1 ].offset
866 + bytes_per_column( db, &colinfo[ i - 1 ] );
867 else
868 colinfo[i].offset = 0;
869 TRACE("column %d is [%s] with type %08x ofs %d\n",
870 colinfo[i].number, debugstr_w(colinfo[i].colname),
871 colinfo[i].type, colinfo[i].offset);
872 }
873 }
874
875 static UINT get_defaulttablecolumns( MSIDATABASE *db, LPCWSTR name,
876 MSICOLUMNINFO *colinfo, UINT *sz)
877 {
878 const MSICOLUMNINFO *p;
879 DWORD i, n;
880
881 TRACE("%s\n", debugstr_w(name));
882
883 if (!lstrcmpW( name, szTables ))
884 {
885 p = _Tables_cols;
886 n = 1;
887 }
888 else if (!lstrcmpW( name, szColumns ))
889 {
890 p = _Columns_cols;
891 n = 4;
892 }
893 else
894 return ERROR_FUNCTION_FAILED;
895
896 /* duplicate the string data so we can free it in msi_free_colinfo */
897 for (i=0; i<n; i++)
898 {
899 if (colinfo && (i < *sz) )
900 {
901 colinfo[i] = p[i];
902 colinfo[i].tablename = strdupW( p[i].tablename );
903 colinfo[i].colname = strdupW( p[i].colname );
904 }
905 if( colinfo && (i >= *sz) )
906 break;
907 }
908 table_calc_column_offsets( db, colinfo, n );
909 *sz = n;
910 return ERROR_SUCCESS;
911 }
912
913 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count )
914 {
915 UINT i;
916
917 for( i=0; i<count; i++ )
918 {
919 msi_free( colinfo[i].tablename );
920 msi_free( colinfo[i].colname );
921 msi_free( colinfo[i].hash_table );
922 }
923 }
924
925 static LPWSTR msi_makestring( const MSIDATABASE *db, UINT stringid)
926 {
927 return strdupW(msi_string_lookup_id( db->strings, stringid ));
928 }
929
930 static UINT read_table_int(BYTE *const *data, UINT row, UINT col, UINT bytes)
931 {
932 UINT ret = 0, i;
933
934 for (i = 0; i < bytes; i++)
935 ret += (data[row][col + i] << i * 8);
936
937 return ret;
938 }
939
940 static UINT get_tablecolumns( MSIDATABASE *db,
941 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
942 {
943 UINT r, i, n=0, table_id, count, maxcount = *sz;
944 MSITABLE *table = NULL;
945
946 TRACE("%s\n", debugstr_w(szTableName));
947
948 /* first check if there is a default table with that name */
949 r = get_defaulttablecolumns( db, szTableName, colinfo, sz );
950 if( ( r == ERROR_SUCCESS ) && *sz )
951 return r;
952
953 r = get_table( db, szColumns, &table );
954 if( r != ERROR_SUCCESS )
955 {
956 ERR("couldn't load _Columns table\n");
957 return ERROR_FUNCTION_FAILED;
958 }
959
960 /* convert table and column names to IDs from the string table */
961 r = msi_string2idW( db->strings, szTableName, &table_id );
962 if( r != ERROR_SUCCESS )
963 {
964 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
965 return r;
966 }
967
968 TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
969
970 /* Note: _Columns table doesn't have non-persistent data */
971
972 /* if maxcount is non-zero, assume it's exactly right for this table */
973 memset( colinfo, 0, maxcount*sizeof(*colinfo) );
974 count = table->row_count;
975 for( i=0; i<count; i++ )
976 {
977 if( read_table_int(table->data, i, 0, db->bytes_per_strref) != table_id )
978 continue;
979 if( colinfo )
980 {
981 UINT id = read_table_int(table->data, i, table->colinfo[2].offset, db->bytes_per_strref);
982 UINT col = read_table_int(table->data, i, table->colinfo[1].offset, sizeof(USHORT)) - (1<<15);
983
984 /* check the column number is in range */
985 if (col<1 || col>maxcount)
986 {
987 ERR("column %d out of range\n", col);
988 continue;
989 }
990
991 /* check if this column was already set */
992 if (colinfo[ col - 1 ].number)
993 {
994 ERR("duplicate column %d\n", col);
995 continue;
996 }
997
998 colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
999 colinfo[ col - 1 ].number = col;
1000 colinfo[ col - 1 ].colname = msi_makestring( db, id );
1001 colinfo[ col - 1 ].type = read_table_int(table->data, i,
1002 table->colinfo[3].offset,
1003 sizeof(USHORT)) - (1<<15);
1004 colinfo[ col - 1 ].offset = 0;
1005 colinfo[ col - 1 ].ref_count = 0;
1006 colinfo[ col - 1 ].hash_table = NULL;
1007 }
1008 n++;
1009 }
1010
1011 TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
1012
1013 if (colinfo && n != maxcount)
1014 {
1015 ERR("missing column in table %s\n", debugstr_w(szTableName));
1016 msi_free_colinfo(colinfo, maxcount );
1017 return ERROR_FUNCTION_FAILED;
1018 }
1019
1020 table_calc_column_offsets( db, colinfo, n );
1021 *sz = n;
1022
1023 return ERROR_SUCCESS;
1024 }
1025
1026 static void msi_update_table_columns( MSIDATABASE *db, LPCWSTR name )
1027 {
1028 MSITABLE *table;
1029 UINT size, offset, old_count;
1030 UINT n;
1031
1032 table = find_cached_table( db, name );
1033 old_count = table->col_count;
1034 msi_free( table->colinfo );
1035 table_get_column_info( db, name, &table->colinfo, &table->col_count );
1036
1037 size = msi_table_get_row_size( db, table->colinfo, table->col_count );
1038 offset = table->colinfo[table->col_count - 1].offset;
1039
1040 for ( n = 0; n < table->row_count; n++ )
1041 {
1042 table->data[n] = msi_realloc( table->data[n], size );
1043 if (old_count < table->col_count)
1044 memset( &table->data[n][offset], 0, size - offset );
1045 }
1046 }
1047
1048 /* try to find the table name in the _Tables table */
1049 BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
1050 {
1051 UINT r, table_id = 0, i, count;
1052 MSITABLE *table = NULL;
1053
1054 if( !lstrcmpW( name, szTables ) )
1055 return TRUE;
1056 if( !lstrcmpW( name, szColumns ) )
1057 return TRUE;
1058
1059 r = msi_string2idW( db->strings, name, &table_id );
1060 if( r != ERROR_SUCCESS )
1061 {
1062 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1063 return FALSE;
1064 }
1065
1066 r = get_table( db, szTables, &table );
1067 if( r != ERROR_SUCCESS )
1068 {
1069 ERR("table %s not available\n", debugstr_w(szTables));
1070 return FALSE;
1071 }
1072
1073 count = table->row_count;
1074 for( i=0; i<count; i++ )
1075 if( table->data[ i ][ 0 ] == table_id )
1076 break;
1077
1078 if (i!=count)
1079 return TRUE;
1080
1081 count = table->nonpersistent_row_count;
1082 for( i=0; i<count; i++ )
1083 if( table->nonpersistent_data[ i ][ 0 ] == table_id )
1084 break;
1085
1086 if (i!=count)
1087 return TRUE;
1088
1089 TRACE("Searched %d tables, but %d was not found\n", count, table_id );
1090
1091 return FALSE;
1092 }
1093
1094 /* below is the query interface to a table */
1095
1096 typedef struct tagMSITABLEVIEW
1097 {
1098 MSIVIEW view;
1099 MSIDATABASE *db;
1100 MSITABLE *table;
1101 MSICOLUMNINFO *columns;
1102 MSIORDERINFO *order;
1103 UINT num_cols;
1104 UINT row_size;
1105 WCHAR name[1];
1106 } MSITABLEVIEW;
1107
1108 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1109 {
1110 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1111 UINT offset, n;
1112 BYTE **data;
1113
1114 if( !tv->table )
1115 return ERROR_INVALID_PARAMETER;
1116
1117 if( (col==0) || (col>tv->num_cols) )
1118 return ERROR_INVALID_PARAMETER;
1119
1120 /* how many rows are there ? */
1121 if( row >= tv->table->row_count + tv->table->nonpersistent_row_count )
1122 return ERROR_NO_MORE_ITEMS;
1123
1124 if( tv->columns[col-1].offset >= tv->row_size )
1125 {
1126 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1127 ERR("%p %p\n", tv, tv->columns );
1128 return ERROR_FUNCTION_FAILED;
1129 }
1130
1131 if (tv->order)
1132 row = tv->order->reorder[row];
1133
1134 if (row >= tv->table->row_count)
1135 {
1136 row -= tv->table->row_count;
1137 data = tv->table->nonpersistent_data;
1138 }
1139 else
1140 data = tv->table->data;
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(data, row, offset, n);
1151
1152 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1153
1154 return ERROR_SUCCESS;
1155 }
1156
1157 /*
1158 * We need a special case for streams, as we need to reference column with
1159 * the name of the stream in the same table, and the table name
1160 * which may not be available at higher levels of the query
1161 */
1162 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1163 {
1164 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1165 UINT ival = 0, refcol = 0, r;
1166 LPCWSTR sval;
1167 LPWSTR full_name;
1168 DWORD len;
1169 static const WCHAR szDot[] = { '.', 0 };
1170 WCHAR number[0x20];
1171
1172 if( !view->ops->fetch_int )
1173 return ERROR_INVALID_PARAMETER;
1174
1175 /*
1176 * The column marked with the type stream data seems to have a single number
1177 * which references the column containing the name of the stream data
1178 *
1179 * Fetch the column to reference first.
1180 */
1181 r = view->ops->fetch_int( view, row, col, &ival );
1182 if( r != ERROR_SUCCESS )
1183 return r;
1184
1185 /* check the column value is in range */
1186 if (ival > tv->num_cols || ival == col)
1187 {
1188 ERR("bad column ref (%u) for stream\n", ival);
1189 return ERROR_FUNCTION_FAILED;
1190 }
1191
1192 if ( tv->columns[ival - 1].type & MSITYPE_STRING )
1193 {
1194 /* now get the column with the name of the stream */
1195 r = view->ops->fetch_int( view, row, ival, &refcol );
1196 if ( r != ERROR_SUCCESS )
1197 return r;
1198
1199 /* lookup the string value from the string table */
1200 sval = msi_string_lookup_id( tv->db->strings, refcol );
1201 if ( !sval )
1202 return ERROR_INVALID_PARAMETER;
1203 }
1204 else
1205 {
1206 static const WCHAR fmt[] = { '%','d',0 };
1207 sprintfW( number, fmt, ival );
1208 sval = number;
1209 }
1210
1211 len = lstrlenW( tv->name ) + 2 + lstrlenW( sval );
1212 full_name = msi_alloc( len*sizeof(WCHAR) );
1213 lstrcpyW( full_name, tv->name );
1214 lstrcatW( full_name, szDot );
1215 lstrcatW( full_name, sval );
1216
1217 r = db_get_raw_stream( tv->db, full_name, stm );
1218 if( r )
1219 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1220 msi_free( full_name );
1221
1222 return r;
1223 }
1224
1225 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1226 {
1227 UINT offset, n, i;
1228 BYTE **data;
1229
1230 if( !tv->table )
1231 return ERROR_INVALID_PARAMETER;
1232
1233 if( (col==0) || (col>tv->num_cols) )
1234 return ERROR_INVALID_PARAMETER;
1235
1236 if( row >= tv->table->row_count + tv->table->nonpersistent_row_count )
1237 return ERROR_INVALID_PARAMETER;
1238
1239 if( tv->columns[col-1].offset >= tv->row_size )
1240 {
1241 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1242 ERR("%p %p\n", tv, tv->columns );
1243 return ERROR_FUNCTION_FAILED;
1244 }
1245
1246 msi_free( tv->columns[col-1].hash_table );
1247 tv->columns[col-1].hash_table = NULL;
1248
1249 if (row >= tv->table->row_count)
1250 {
1251 row -= tv->table->row_count;
1252 data = tv->table->nonpersistent_data;
1253 }
1254 else
1255 data = tv->table->data;
1256
1257 n = bytes_per_column( tv->db, &tv->columns[col-1] );
1258 if ( n != 2 && n != 3 && n != 4 )
1259 {
1260 ERR("oops! what is %d bytes per column?\n", n );
1261 return ERROR_FUNCTION_FAILED;
1262 }
1263
1264 offset = tv->columns[col-1].offset;
1265 for ( i = 0; i < n; i++ )
1266 data[row][offset + i] = (val >> i * 8) & 0xff;
1267
1268 return ERROR_SUCCESS;
1269 }
1270
1271 static UINT TABLE_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
1272 {
1273 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1274
1275 if (!tv->table)
1276 return ERROR_INVALID_PARAMETER;
1277
1278 if (tv->order)
1279 row = tv->order->reorder[row];
1280
1281 return msi_view_get_row(tv->db, view, row, rec);
1282 }
1283
1284 static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
1285 {
1286 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1287 UINT i, val, r = ERROR_SUCCESS;
1288
1289 if ( !tv->table )
1290 return ERROR_INVALID_PARAMETER;
1291
1292 /* test if any of the mask bits are invalid */
1293 if ( mask >= (1<<tv->num_cols) )
1294 return ERROR_INVALID_PARAMETER;
1295
1296 for ( i = 0; i < tv->num_cols; i++ )
1297 {
1298 BOOL persistent;
1299
1300 /* only update the fields specified in the mask */
1301 if ( !(mask&(1<<i)) )
1302 continue;
1303
1304 /* if row >= tv->table->row_count then it is a non-persistent row */
1305 persistent = tv->table->persistent && (row < tv->table->row_count);
1306 /* FIXME: should we allow updating keys? */
1307
1308 val = 0;
1309 if ( !MSI_RecordIsNull( rec, i + 1 ) )
1310 {
1311 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1312 {
1313 val = 1; /* refers to the first key column */
1314 }
1315 else if ( tv->columns[i].type & MSITYPE_STRING )
1316 {
1317 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1318 UINT ival, x;
1319
1320 r = msi_string2idW(tv->db->strings, sval, &ival);
1321 if (r == ERROR_SUCCESS)
1322 {
1323 TABLE_fetch_int(&tv->view, row, i + 1, &x);
1324 if (ival == x)
1325 continue;
1326 }
1327
1328 val = msi_addstringW( tv->db->strings, 0, sval, -1, 1,
1329 persistent ? StringPersistent : StringNonPersistent );
1330 }
1331 else if ( 2 == bytes_per_column( tv->db, &tv->columns[ i ] ) )
1332 {
1333 val = 0x8000 + MSI_RecordGetInteger( rec, i + 1 );
1334 if ( val & 0xffff0000 )
1335 {
1336 ERR("field %u value %d out of range\n", i+1, val - 0x8000 );
1337 return ERROR_FUNCTION_FAILED;
1338 }
1339 }
1340 else
1341 {
1342 INT ival = MSI_RecordGetInteger( rec, i + 1 );
1343 val = ival ^ 0x80000000;
1344 }
1345 }
1346
1347 r = TABLE_set_int( tv, row, i+1, val );
1348 if ( r != ERROR_SUCCESS )
1349 break;
1350 }
1351 return r;
1352 }
1353
1354 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1355 {
1356 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1357 BYTE **p, *row;
1358 UINT sz;
1359 BYTE ***data_ptr;
1360 UINT *row_count;
1361
1362 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1363
1364 if( !tv->table )
1365 return ERROR_INVALID_PARAMETER;
1366
1367 row = msi_alloc_zero( tv->row_size );
1368 if( !row )
1369 return ERROR_NOT_ENOUGH_MEMORY;
1370
1371 if( temporary )
1372 {
1373 row_count = &tv->table->nonpersistent_row_count;
1374 data_ptr = &tv->table->nonpersistent_data;
1375 *num = tv->table->row_count + tv->table->nonpersistent_row_count;
1376 }
1377 else
1378 {
1379 row_count = &tv->table->row_count;
1380 data_ptr = &tv->table->data;
1381 *num = tv->table->row_count;
1382 }
1383
1384 sz = (*row_count + 1) * sizeof (BYTE*);
1385 if( *data_ptr )
1386 p = msi_realloc( *data_ptr, sz );
1387 else
1388 p = msi_alloc( sz );
1389 if( !p )
1390 {
1391 msi_free( row );
1392 return ERROR_NOT_ENOUGH_MEMORY;
1393 }
1394
1395 *data_ptr = p;
1396 (*data_ptr)[*row_count] = row;
1397 (*row_count)++;
1398
1399 return ERROR_SUCCESS;
1400 }
1401
1402 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1403 {
1404 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1405
1406 TRACE("%p %p\n", tv, record);
1407
1408 TRACE("There are %d columns\n", tv->num_cols );
1409
1410 return ERROR_SUCCESS;
1411 }
1412
1413 static UINT TABLE_close( struct tagMSIVIEW *view )
1414 {
1415 TRACE("%p\n", view );
1416
1417 return ERROR_SUCCESS;
1418 }
1419
1420 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1421 {
1422 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1423
1424 TRACE("%p %p %p\n", view, rows, cols );
1425
1426 if( cols )
1427 *cols = tv->num_cols;
1428 if( rows )
1429 {
1430 if( !tv->table )
1431 return ERROR_INVALID_PARAMETER;
1432 *rows = tv->table->row_count + tv->table->nonpersistent_row_count;
1433 }
1434
1435 return ERROR_SUCCESS;
1436 }
1437
1438 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1439 UINT n, LPWSTR *name, UINT *type )
1440 {
1441 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1442
1443 TRACE("%p %d %p %p\n", tv, n, name, type );
1444
1445 if( ( n == 0 ) || ( n > tv->num_cols ) )
1446 return ERROR_INVALID_PARAMETER;
1447
1448 if( name )
1449 {
1450 *name = strdupW( tv->columns[n-1].colname );
1451 if( !*name )
1452 return ERROR_FUNCTION_FAILED;
1453 }
1454 if( type )
1455 *type = tv->columns[n-1].type;
1456
1457 return ERROR_SUCCESS;
1458 }
1459
1460 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1461
1462 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1463 {
1464 UINT r, row, i;
1465
1466 /* check there's no null values where they're not allowed */
1467 for( i = 0; i < tv->num_cols; i++ )
1468 {
1469 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1470 continue;
1471
1472 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1473 TRACE("skipping binary column\n");
1474 else if ( tv->columns[i].type & MSITYPE_STRING )
1475 {
1476 LPCWSTR str;
1477
1478 str = MSI_RecordGetString( rec, i+1 );
1479 if (str == NULL || str[0] == 0)
1480 return ERROR_INVALID_DATA;
1481 }
1482 else
1483 {
1484 UINT n;
1485
1486 n = MSI_RecordGetInteger( rec, i+1 );
1487 if (n == MSI_NULL_INTEGER)
1488 return ERROR_INVALID_DATA;
1489 }
1490 }
1491
1492 /* check there's no duplicate keys */
1493 r = msi_table_find_row( tv, rec, &row );
1494 if (r == ERROR_SUCCESS)
1495 return ERROR_FUNCTION_FAILED;
1496
1497 return ERROR_SUCCESS;
1498 }
1499
1500 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, BOOL temporary )
1501 {
1502 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1503 UINT r, row = -1;
1504
1505 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1506
1507 /* check that the key is unique - can we find a matching row? */
1508 r = table_validate_new( tv, rec );
1509 if( r != ERROR_SUCCESS )
1510 return ERROR_FUNCTION_FAILED;
1511
1512 r = table_create_new_row( view, &row, temporary );
1513 TRACE("insert_row returned %08x\n", r);
1514 if( r != ERROR_SUCCESS )
1515 return r;
1516
1517 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1518 }
1519
1520 static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row )
1521 {
1522 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1523 UINT r, num_rows, num_cols, i;
1524 BYTE **data;
1525
1526 TRACE("%p %d\n", tv, row);
1527
1528 if ( !tv->table )
1529 return ERROR_INVALID_PARAMETER;
1530
1531 r = TABLE_get_dimensions( view, &num_rows, &num_cols );
1532 if ( r != ERROR_SUCCESS )
1533 return r;
1534
1535 if ( row >= num_rows )
1536 return ERROR_FUNCTION_FAILED;
1537
1538 if ( row < tv->table->row_count )
1539 {
1540 num_rows = tv->table->row_count;
1541 tv->table->row_count--;
1542 data = tv->table->data;
1543 }
1544 else
1545 {
1546 num_rows = tv->table->nonpersistent_row_count;
1547 row -= tv->table->row_count;
1548 tv->table->nonpersistent_row_count--;
1549 data = tv->table->nonpersistent_data;
1550 }
1551
1552 /* reset the hash tables */
1553 for (i = 0; i < tv->num_cols; i++)
1554 {
1555 msi_free( tv->columns[i].hash_table );
1556 tv->columns[i].hash_table = NULL;
1557 }
1558
1559 if ( row == num_rows - 1 )
1560 return ERROR_SUCCESS;
1561
1562 for (i = row + 1; i < num_rows; i++)
1563 memcpy(data[i - 1], data[i], tv->row_size);
1564
1565 return ERROR_SUCCESS;
1566 }
1567
1568 static UINT msi_table_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
1569 {
1570 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1571 UINT r, new_row;
1572
1573 /* FIXME: MsiViewFetch should set rec index 0 to some ID that
1574 * sets the fetched record apart from other records
1575 */
1576
1577 if (!tv->table)
1578 return ERROR_INVALID_PARAMETER;
1579
1580 r = msi_table_find_row(tv, rec, &new_row);
1581 if (r != ERROR_SUCCESS)
1582 {
1583 ERR("can't find row to modify\n");
1584 return ERROR_FUNCTION_FAILED;
1585 }
1586
1587 /* the row cannot be changed */
1588 if (row != new_row + 1)
1589 return ERROR_FUNCTION_FAILED;
1590
1591 return TABLE_set_row(view, new_row, rec, (1 << tv->num_cols) - 1);
1592 }
1593
1594 static UINT modify_delete_row( struct tagMSIVIEW *view, MSIRECORD *rec )
1595 {
1596 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1597 UINT row, r;
1598
1599 r = msi_table_find_row(tv, rec, &row);
1600 if (r != ERROR_SUCCESS)
1601 return r;
1602
1603 return TABLE_delete_row(view, row);
1604 }
1605
1606 static UINT msi_refresh_record( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row )
1607 {
1608 MSIRECORD *curr;
1609 UINT r, i, count;
1610
1611 r = TABLE_get_row(view, row - 1, &curr);
1612 if (r != ERROR_SUCCESS)
1613 return r;
1614
1615 count = MSI_RecordGetFieldCount(rec);
1616 for (i = 0; i < count; i++)
1617 MSI_RecordCopyField(curr, i + 1, rec, i + 1);
1618
1619 msiobj_release(&curr->hdr);
1620 return ERROR_SUCCESS;
1621 }
1622
1623 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1624 MSIRECORD *rec, UINT row)
1625 {
1626 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1627 UINT r;
1628
1629 TRACE("%p %d %p\n", view, eModifyMode, rec );
1630
1631 switch (eModifyMode)
1632 {
1633 case MSIMODIFY_DELETE:
1634 r = modify_delete_row( view, rec );
1635 break;
1636 case MSIMODIFY_VALIDATE_NEW:
1637 r = table_validate_new( tv, rec );
1638 break;
1639
1640 case MSIMODIFY_INSERT:
1641 r = table_validate_new( tv, rec );
1642 if (r != ERROR_SUCCESS)
1643 break;
1644 r = TABLE_insert_row( view, rec, FALSE );
1645 break;
1646
1647 case MSIMODIFY_INSERT_TEMPORARY:
1648 r = table_validate_new( tv, rec );
1649 if (r != ERROR_SUCCESS)
1650 break;
1651 r = TABLE_insert_row( view, rec, TRUE );
1652 break;
1653
1654 case MSIMODIFY_REFRESH:
1655 r = msi_refresh_record( view, rec, row );
1656 break;
1657
1658 case MSIMODIFY_UPDATE:
1659 r = msi_table_update( view, rec, row );
1660 break;
1661
1662 case MSIMODIFY_ASSIGN:
1663 case MSIMODIFY_REPLACE:
1664 case MSIMODIFY_MERGE:
1665 case MSIMODIFY_VALIDATE:
1666 case MSIMODIFY_VALIDATE_FIELD:
1667 case MSIMODIFY_VALIDATE_DELETE:
1668 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1669 r = ERROR_CALL_NOT_IMPLEMENTED;
1670 break;
1671
1672 default:
1673 r = ERROR_INVALID_DATA;
1674 }
1675
1676 return r;
1677 }
1678
1679 static UINT TABLE_delete( struct tagMSIVIEW *view )
1680 {
1681 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1682
1683 TRACE("%p\n", view );
1684
1685 tv->table = NULL;
1686 tv->columns = NULL;
1687
1688 if (tv->order)
1689 {
1690 msi_free( tv->order->reorder );
1691 msi_free( tv->order );
1692 tv->order = NULL;
1693 }
1694
1695 msi_free( tv );
1696
1697 return ERROR_SUCCESS;
1698 }
1699
1700 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1701 UINT val, UINT *row, MSIITERHANDLE *handle )
1702 {
1703 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1704 const MSICOLUMNHASHENTRY *entry;
1705
1706 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1707
1708 if( !tv->table )
1709 return ERROR_INVALID_PARAMETER;
1710
1711 if( (col==0) || (col > tv->num_cols) )
1712 return ERROR_INVALID_PARAMETER;
1713
1714 if( !tv->columns[col-1].hash_table )
1715 {
1716 UINT i;
1717 UINT num_rows = tv->table->row_count + tv->table->nonpersistent_row_count;
1718 MSICOLUMNHASHENTRY **hash_table;
1719 MSICOLUMNHASHENTRY *new_entry;
1720
1721 if( tv->columns[col-1].offset >= tv->row_size )
1722 {
1723 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1724 ERR("%p %p\n", tv, tv->columns );
1725 return ERROR_FUNCTION_FAILED;
1726 }
1727
1728 /* allocate contiguous memory for the table and its entries so we
1729 * don't have to do an expensive cleanup */
1730 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1731 num_rows * sizeof(MSICOLUMNHASHENTRY));
1732 if (!hash_table)
1733 return ERROR_OUTOFMEMORY;
1734
1735 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1736 tv->columns[col-1].hash_table = hash_table;
1737
1738 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1739
1740 for (i = 0; i < num_rows; i++, new_entry++)
1741 {
1742 UINT row_value;
1743
1744 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
1745 continue;
1746
1747 new_entry->next = NULL;
1748 new_entry->value = row_value;
1749 new_entry->row = i;
1750 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1751 {
1752 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1753 while (prev_entry->next)
1754 prev_entry = prev_entry->next;
1755 prev_entry->next = new_entry;
1756 }
1757 else
1758 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1759 }
1760 }
1761
1762 if( !*handle )
1763 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1764 else
1765 entry = (*handle)->next;
1766
1767 while (entry && entry->value != val)
1768 entry = entry->next;
1769
1770 *handle = entry;
1771 if (!entry)
1772 return ERROR_NO_MORE_ITEMS;
1773
1774 *row = entry->row;
1775
1776 return ERROR_SUCCESS;
1777 }
1778
1779 static UINT TABLE_add_ref(struct tagMSIVIEW *view)
1780 {
1781 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1782 UINT i;
1783
1784 TRACE("%p %d\n", view, tv->table->ref_count);
1785
1786 for (i = 0; i < tv->table->col_count; i++)
1787 {
1788 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
1789 InterlockedIncrement(&tv->table->colinfo[i].ref_count);
1790 }
1791
1792 return InterlockedIncrement(&tv->table->ref_count);
1793 }
1794
1795 static UINT TABLE_remove_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number)
1796 {
1797 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1798 MSIRECORD *rec = NULL;
1799 MSIVIEW *columns = NULL;
1800 UINT row, r;
1801
1802 rec = MSI_CreateRecord(2);
1803 if (!rec)
1804 return ERROR_OUTOFMEMORY;
1805
1806 MSI_RecordSetStringW(rec, 1, table);
1807 MSI_RecordSetInteger(rec, 2, number);
1808
1809 r = TABLE_CreateView(tv->db, szColumns, &columns);
1810 if (r != ERROR_SUCCESS)
1811 return r;
1812
1813 r = msi_table_find_row((MSITABLEVIEW *)columns, rec, &row);
1814 if (r != ERROR_SUCCESS)
1815 goto done;
1816
1817 r = TABLE_delete_row(columns, row);
1818 if (r != ERROR_SUCCESS)
1819 goto done;
1820
1821 msi_update_table_columns(tv->db, table);
1822
1823 done:
1824 msiobj_release(&rec->hdr);
1825 if (columns) columns->ops->delete(columns);
1826 return r;
1827 }
1828
1829 static UINT TABLE_release(struct tagMSIVIEW *view)
1830 {
1831 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1832 INT ref = tv->table->ref_count;
1833 UINT i, r;
1834
1835 TRACE("%p %d\n", view, ref);
1836
1837 for (i = 0; i < tv->table->col_count; i++)
1838 {
1839 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
1840 {
1841 ref = InterlockedDecrement(&tv->table->colinfo[i].ref_count);
1842 if (ref == 0)
1843 {
1844 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
1845 tv->table->colinfo[i].number);
1846 if (r != ERROR_SUCCESS)
1847 break;
1848 }
1849 }
1850 }
1851
1852 ref = InterlockedDecrement(&tv->table->ref_count);
1853 if (ref == 0)
1854 {
1855 if (!tv->table->row_count)
1856 {
1857 list_remove(&tv->table->entry);
1858 free_table(tv->table);
1859 TABLE_delete(view);
1860 }
1861 }
1862
1863 return ref;
1864 }
1865
1866 static UINT TABLE_add_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number,
1867 LPCWSTR column, UINT type, BOOL hold)
1868 {
1869 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1870 MSITABLE *msitable;
1871 MSIRECORD *rec;
1872 UINT r, i;
1873
1874 rec = MSI_CreateRecord(4);
1875 if (!rec)
1876 return ERROR_OUTOFMEMORY;
1877
1878 MSI_RecordSetStringW(rec, 1, table);
1879 MSI_RecordSetInteger(rec, 2, number);
1880 MSI_RecordSetStringW(rec, 3, column);
1881 MSI_RecordSetInteger(rec, 4, type);
1882
1883 r = TABLE_insert_row(&tv->view, rec, FALSE);
1884 if (r != ERROR_SUCCESS)
1885 goto done;
1886
1887 msi_update_table_columns(tv->db, table);
1888
1889 if (!hold)
1890 goto done;
1891
1892 msitable = find_cached_table(tv->db, table);
1893 for (i = 0; i < msitable->col_count; i++)
1894 {
1895 if (!lstrcmpW(msitable->colinfo[i].colname, column))
1896 {
1897 InterlockedIncrement(&msitable->colinfo[i].ref_count);
1898 break;
1899 }
1900 }
1901
1902 done:
1903 msiobj_release(&rec->hdr);
1904 return r;
1905 }
1906
1907 static UINT order_add_column(struct tagMSIVIEW *view, MSIORDERINFO *order, LPCWSTR name)
1908 {
1909 UINT n, r, count;
1910
1911 r = TABLE_get_dimensions(view, NULL, &count);
1912 if (r != ERROR_SUCCESS)
1913 return r;
1914
1915 if (order->num_cols >= count)
1916 return ERROR_FUNCTION_FAILED;
1917
1918 r = VIEW_find_column(view, name, &n);
1919 if (r != ERROR_SUCCESS)
1920 return r;
1921
1922 order->cols[order->num_cols] = n;
1923 TRACE("Ordering by column %s (%d)\n", debugstr_w(name), n);
1924
1925 order->num_cols++;
1926
1927 return ERROR_SUCCESS;
1928 }
1929
1930 static UINT order_compare(struct tagMSIVIEW *view, MSIORDERINFO *order,
1931 UINT a, UINT b, UINT *swap)
1932 {
1933 UINT r, i, a_val = 0, b_val = 0;
1934
1935 *swap = 0;
1936 for (i = 0; i < order->num_cols; i++)
1937 {
1938 r = TABLE_fetch_int(view, a, order->cols[i], &a_val);
1939 if (r != ERROR_SUCCESS)
1940 return r;
1941
1942 r = TABLE_fetch_int(view, b, order->cols[i], &b_val);
1943 if (r != ERROR_SUCCESS)
1944 return r;
1945
1946 if (a_val != b_val)
1947 {
1948 if (a_val > b_val)
1949 *swap = 1;
1950 break;
1951 }
1952 }
1953
1954 return ERROR_SUCCESS;
1955 }
1956
1957 static UINT order_mergesort(struct tagMSIVIEW *view, MSIORDERINFO *order,
1958 UINT left, UINT right)
1959 {
1960 UINT r, i, j, temp;
1961 UINT swap = 0, center = (left + right) / 2;
1962 UINT *array = order->reorder;
1963
1964 if (left == right)
1965 return ERROR_SUCCESS;
1966
1967 /* sort the left half */
1968 r = order_mergesort(view, order, left, center);
1969 if (r != ERROR_SUCCESS)
1970 return r;
1971
1972 /* sort the right half */
1973 r = order_mergesort(view, order, center + 1, right);
1974 if (r != ERROR_SUCCESS)
1975 return r;
1976
1977 for (i = left, j = center + 1; (i <= center) && (j <= right); i++)
1978 {
1979 r = order_compare(view, order, array[i], array[j], &swap);
1980 if (r != ERROR_SUCCESS)
1981 return r;
1982
1983 if (swap)
1984 {
1985 temp = array[j];
1986 memmove(&array[i + 1], &array[i], (j - i) * sizeof(UINT));
1987 array[i] = temp;
1988 j++;
1989 center++;
1990 }
1991 }
1992
1993 return ERROR_SUCCESS;
1994 }
1995
1996 static UINT order_verify(struct tagMSIVIEW *view, MSIORDERINFO *order, UINT num_rows)
1997 {
1998 UINT i, swap, r;
1999
2000 for (i = 1; i < num_rows; i++)
2001 {
2002 r = order_compare(view, order, order->reorder[i - 1],
2003 order->reorder[i], &swap);
2004 if (r != ERROR_SUCCESS)
2005 return r;
2006
2007 if (!swap)
2008 continue;
2009
2010 ERR("Bad order! %d\n", i);
2011 return ERROR_FUNCTION_FAILED;
2012 }
2013
2014 return ERROR_SUCCESS;
2015 }
2016
2017 static UINT TABLE_sort(struct tagMSIVIEW *view, column_info *columns)
2018 {
2019 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
2020 MSIORDERINFO *order;
2021 column_info *ptr;
2022 UINT r, i;
2023 UINT rows, cols;
2024
2025 TRACE("sorting table %s\n", debugstr_w(tv->name));
2026
2027 r = TABLE_get_dimensions(view, &rows, &cols);
2028 if (r != ERROR_SUCCESS)
2029 return r;
2030
2031 if (rows == 0)
2032 return ERROR_SUCCESS;
2033
2034 order = msi_alloc_zero(sizeof(MSIORDERINFO) + sizeof(UINT) * cols);
2035 if (!order)
2036 return ERROR_OUTOFMEMORY;
2037
2038 for (ptr = columns; ptr; ptr = ptr->next)
2039 order_add_column(view, order, ptr->column);
2040
2041 order->reorder = msi_alloc(rows * sizeof(UINT));
2042 if (!order->reorder)
2043 return ERROR_OUTOFMEMORY;
2044
2045 for (i = 0; i < rows; i++)
2046 order->reorder[i] = i;
2047
2048 r = order_mergesort(view, order, 0, rows - 1);
2049 if (r != ERROR_SUCCESS)
2050 return r;
2051
2052 r = order_verify(view, order, rows);
2053 if (r != ERROR_SUCCESS)
2054 return r;
2055
2056 tv->order = order;
2057
2058 return ERROR_SUCCESS;
2059 }
2060
2061 static const MSIVIEWOPS table_ops =
2062 {
2063 TABLE_fetch_int,
2064 TABLE_fetch_stream,
2065 TABLE_get_row,
2066 TABLE_set_row,
2067 TABLE_insert_row,
2068 TABLE_delete_row,
2069 TABLE_execute,
2070 TABLE_close,
2071 TABLE_get_dimensions,
2072 TABLE_get_column_info,
2073 TABLE_modify,
2074 TABLE_delete,
2075 TABLE_find_matching_rows,
2076 TABLE_add_ref,
2077 TABLE_release,
2078 TABLE_add_column,
2079 TABLE_remove_column,
2080 TABLE_sort,
2081 };
2082
2083 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
2084 {
2085 MSITABLEVIEW *tv ;
2086 UINT r, sz;
2087
2088 static const WCHAR Streams[] = {'_','S','t','r','e','a','m','s',0};
2089 static const WCHAR Storages[] = {'_','S','t','o','r','a','g','e','s',0};
2090
2091 TRACE("%p %s %p\n", db, debugstr_w(name), view );
2092
2093 if ( !lstrcmpW( name, Streams ) )
2094 return STREAMS_CreateView( db, view );
2095 else if ( !lstrcmpW( name, Storages ) )
2096 return STORAGES_CreateView( db, view );
2097
2098 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
2099 tv = msi_alloc_zero( sz );
2100 if( !tv )
2101 return ERROR_FUNCTION_FAILED;
2102
2103 r = get_table( db, name, &tv->table );
2104 if( r != ERROR_SUCCESS )
2105 {
2106 msi_free( tv );
2107 WARN("table not found\n");
2108 return r;
2109 }
2110
2111 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
2112
2113 /* fill the structure */
2114 tv->view.ops = &table_ops;
2115 tv->db = db;
2116 tv->columns = tv->table->colinfo;
2117 tv->num_cols = tv->table->col_count;
2118 tv->row_size = msi_table_get_row_size( db, tv->table->colinfo, tv->table->col_count );
2119
2120 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
2121
2122 *view = (MSIVIEW*) tv;
2123 lstrcpyW( tv->name, name );
2124
2125 return ERROR_SUCCESS;
2126 }
2127
2128 UINT MSI_CommitTables( MSIDATABASE *db )
2129 {
2130 UINT r;
2131 MSITABLE *table = NULL;
2132
2133 TRACE("%p\n",db);
2134
2135 r = msi_save_string_table( db->strings, db->storage );
2136 if( r != ERROR_SUCCESS )
2137 {
2138 WARN("failed to save string table r=%08x\n",r);
2139 return r;
2140 }
2141
2142 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
2143 {
2144 r = save_table( db, table );
2145 if( r != ERROR_SUCCESS )
2146 {
2147 WARN("failed to save table %s (r=%08x)\n",
2148 debugstr_w(table->name), r);
2149 return r;
2150 }
2151 }
2152
2153 /* force everything to reload next time */
2154 free_cached_tables( db );
2155
2156 return ERROR_SUCCESS;
2157 }
2158
2159 MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table )
2160 {
2161 MSITABLE *t;
2162 UINT r;
2163
2164 TRACE("%p %s\n", db, debugstr_w(table));
2165
2166 if (!table)
2167 return MSICONDITION_ERROR;
2168
2169 r = get_table( db, table, &t );
2170 if (r != ERROR_SUCCESS)
2171 return MSICONDITION_NONE;
2172
2173 if (t->persistent)
2174 return MSICONDITION_TRUE;
2175 else
2176 return MSICONDITION_FALSE;
2177 }
2178
2179 static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes)
2180 {
2181 UINT ret = 0, i;
2182
2183 for (i = 0; i < bytes; i++)
2184 ret += (data[col + i] << i * 8);
2185
2186 return ret;
2187 }
2188
2189 static MSIRECORD *msi_get_transform_record( const MSITABLEVIEW *tv, const string_table *st,
2190 const BYTE *rawdata, UINT bytes_per_strref )
2191 {
2192 UINT i, val, ofs = 0;
2193 USHORT mask;
2194 MSICOLUMNINFO *columns = tv->columns;
2195 MSIRECORD *rec;
2196
2197 mask = rawdata[0] | (rawdata[1] << 8);
2198 rawdata += 2;
2199
2200 rec = MSI_CreateRecord( tv->num_cols );
2201 if( !rec )
2202 return rec;
2203
2204 TRACE("row ->\n");
2205 for( i=0; i<tv->num_cols; i++ )
2206 {
2207 if ( (mask&1) && (i>=(mask>>8)) )
2208 break;
2209 /* all keys must be present */
2210 if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) )
2211 continue;
2212
2213 if( (columns[i].type & MSITYPE_STRING) &&
2214 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2215 {
2216 LPCWSTR sval;
2217
2218 val = read_raw_int(rawdata, ofs, bytes_per_strref);
2219 sval = msi_string_lookup_id( st, val );
2220 MSI_RecordSetStringW( rec, i+1, sval );
2221 TRACE(" field %d [%s]\n", i+1, debugstr_w(sval));
2222 ofs += bytes_per_strref;
2223 }
2224 else
2225 {
2226 UINT n = bytes_per_column( tv->db, &columns[i] );
2227 switch( n )
2228 {
2229 case 2:
2230 val = read_raw_int(rawdata, ofs, n);
2231 if (val)
2232 MSI_RecordSetInteger( rec, i+1, val^0x8000 );
2233 TRACE(" field %d [0x%04x]\n", i+1, val );
2234 break;
2235 case 4:
2236 val = read_raw_int(rawdata, ofs, n);
2237 if (val)
2238 MSI_RecordSetInteger( rec, i+1, val^0x80000000 );
2239 TRACE(" field %d [0x%08x]\n", i+1, val );
2240 break;
2241 default:
2242 ERR("oops - unknown column width %d\n", n);
2243 break;
2244 }
2245 ofs += n;
2246 }
2247 }
2248 return rec;
2249 }
2250
2251 static void dump_record( MSIRECORD *rec )
2252 {
2253 UINT i, n;
2254
2255 n = MSI_RecordGetFieldCount( rec );
2256 for( i=1; i<=n; i++ )
2257 {
2258 LPCWSTR sval = MSI_RecordGetString( rec, i );
2259
2260 if( MSI_RecordIsNull( rec, i ) )
2261 TRACE("row -> []\n");
2262 else if( (sval = MSI_RecordGetString( rec, i )) )
2263 TRACE("row -> [%s]\n", debugstr_w(sval));
2264 else
2265 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) );
2266 }
2267 }
2268
2269 static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize )
2270 {
2271 LPCWSTR sval;
2272 UINT i;
2273
2274 for( i=0; i<(rawsize/2); i++ )
2275 {
2276 sval = msi_string_lookup_id( st, rawdata[i] );
2277 MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) );
2278 }
2279 }
2280
2281 static UINT* msi_record_to_row( const MSITABLEVIEW *tv, MSIRECORD *rec )
2282 {
2283 LPCWSTR str;
2284 UINT i, r, *data;
2285
2286 data = msi_alloc( tv->num_cols *sizeof (UINT) );
2287 for( i=0; i<tv->num_cols; i++ )
2288 {
2289 data[i] = 0;
2290
2291 if ( ~tv->columns[i].type & MSITYPE_KEY )
2292 continue;
2293
2294 /* turn the transform column value into a row value */
2295 if ( ( tv->columns[i].type & MSITYPE_STRING ) &&
2296 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2297 {
2298 str = MSI_RecordGetString( rec, i+1 );
2299 r = msi_string2idW( tv->db->strings, str, &data[i] );
2300
2301 /* if there's no matching string in the string table,
2302 these keys can't match any record, so fail now. */
2303 if( ERROR_SUCCESS != r )
2304 {
2305 msi_free( data );
2306 return NULL;
2307 }
2308 }
2309 else
2310 {
2311 data[i] = MSI_RecordGetInteger( rec, i+1 );
2312 if ((tv->columns[i].type&0xff) == 2)
2313 data[i] += 0x8000;
2314 else
2315 data[i] += 0x80000000;
2316 }
2317 }
2318 return data;
2319 }
2320
2321 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data )
2322 {
2323 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
2324
2325 for( i=0; i<tv->num_cols; i++ )
2326 {
2327 if ( ~tv->columns[i].type & MSITYPE_KEY )
2328 continue;
2329
2330 /* turn the transform column value into a row value */
2331 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
2332 if ( r != ERROR_SUCCESS )
2333 {
2334 ERR("TABLE_fetch_int shouldn't fail here\n");
2335 break;
2336 }
2337
2338 /* if this key matches, move to the next column */
2339 if ( x != data[i] )
2340 {
2341 ret = ERROR_FUNCTION_FAILED;
2342 break;
2343 }
2344
2345 ret = ERROR_SUCCESS;
2346 }
2347
2348 return ret;
2349 }
2350
2351 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
2352 {
2353 UINT i, r = ERROR_FUNCTION_FAILED, *data;
2354
2355 data = msi_record_to_row( tv, rec );
2356 if( !data )
2357 return r;
2358 for( i = 0; i < tv->table->row_count + tv->table->nonpersistent_row_count; i++ )
2359 {
2360 r = msi_row_matches( tv, i, data );
2361 if( r == ERROR_SUCCESS )
2362 {
2363 *row = i;
2364 break;
2365 }
2366 }
2367 msi_free( data );
2368 return r;
2369 }
2370
2371 typedef struct
2372 {
2373 struct list entry;
2374 LPWSTR name;
2375 } TRANSFORMDATA;
2376
2377 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
2378 string_table *st, TRANSFORMDATA *transform,
2379 UINT bytes_per_strref )
2380 {
2381 UINT rawsize = 0;
2382 BYTE *rawdata = NULL;
2383 MSITABLEVIEW *tv = NULL;
2384 UINT r, n, sz, i, mask;
2385 MSIRECORD *rec = NULL;
2386 UINT colcol = 0;
2387 WCHAR coltable[32];
2388 LPWSTR name;
2389
2390 if (!transform)
2391 return ERROR_SUCCESS;
2392
2393 name = transform->name;
2394
2395 coltable[0] = 0;
2396 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
2397
2398 /* read the transform data */
2399 read_stream_data( stg, name, TRUE, &rawdata, &rawsize );
2400 if ( !rawdata )
2401 {
2402 TRACE("table %s empty\n", debugstr_w(name) );
2403 return ERROR_INVALID_TABLE;
2404 }
2405
2406 /* create a table view */
2407 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
2408 if( r != ERROR_SUCCESS )
2409 goto err;
2410
2411 r = tv->view.ops->execute( &tv->view, NULL );
2412 if( r != ERROR_SUCCESS )
2413 goto err;
2414
2415 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2416 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
2417
2418 /* interpret the data */
2419 r = ERROR_SUCCESS;
2420 for( n=0; n < rawsize; )
2421 {
2422 mask = rawdata[n] | (rawdata[n+1] << 8);
2423
2424 if (mask&1)
2425 {
2426 /*
2427 * if the low bit is set, columns are continuous and
2428 * the number of columns is specified in the high byte
2429 */
2430 sz = 2;
2431 for( i=0; i<tv->num_cols; i++ )
2432 {
2433 if( (tv->columns[i].type & MSITYPE_STRING) &&
2434 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2435 sz += bytes_per_strref;
2436 else
2437 sz += bytes_per_column( tv->db, &tv->columns[i] );
2438 }
2439 }
2440 else
2441 {
2442 /*
2443 * If the low bit is not set, mask is a bitmask.
2444 * Excepting for key fields, which are always present,
2445 * each bit indicates that a field is present in the transform record.
2446 *
2447 * mask == 0 is a special case ... only the keys will be present
2448 * and it means that this row should be deleted.
2449 */
2450 sz = 2;
2451 for( i=0; i<tv->num_cols; i++ )
2452 {
2453 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
2454 {
2455 if( (tv->columns[i].type & MSITYPE_STRING) &&
2456 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2457 sz += bytes_per_strref;
2458 else
2459 sz += bytes_per_column( tv->db, &tv->columns[i] );
2460 }
2461 }
2462 }
2463
2464 /* check we didn't run of the end of the table */
2465 if ( (n+sz) > rawsize )
2466 {
2467 ERR("borked.\n");
2468 dump_table( st, (USHORT *)rawdata, rawsize );
2469 break;
2470 }
2471
2472 rec = msi_get_transform_record( tv, st, &rawdata[n], bytes_per_strref );
2473 if (rec)
2474 {
2475 if ( mask & 1 )
2476 {
2477 WCHAR table[32];
2478 DWORD sz = 32;
2479 UINT number = MSI_NULL_INTEGER;
2480
2481 TRACE("inserting record\n");
2482
2483 if (!lstrcmpW(name, szColumns))
2484 {
2485 MSI_RecordGetStringW( rec, 1, table, &sz );
2486 number = MSI_RecordGetInteger( rec, 2 );
2487
2488 /*
2489 * Native msi seems writes nul into the Number (2nd) column of
2490 * the _Columns table, only when the columns are from a new table
2491 */
2492 if ( number == MSI_NULL_INTEGER )
2493 {
2494 /* reset the column number on a new table */
2495 if ( lstrcmpW(coltable, table) )
2496 {
2497 colcol = 0;
2498 lstrcpyW( coltable, table );
2499 }
2500
2501 /* fix nul column numbers */
2502 MSI_RecordSetInteger( rec, 2, ++colcol );
2503 }
2504 }
2505
2506 r = TABLE_insert_row( &tv->view, rec, FALSE );
2507 if (r != ERROR_SUCCESS)
2508 ERR("insert row failed\n");
2509
2510 if ( number != MSI_NULL_INTEGER && !lstrcmpW(name, szColumns) )
2511 msi_update_table_columns( db, table );
2512 }
2513 else
2514 {
2515 UINT row = 0;
2516
2517 r = msi_table_find_row( tv, rec, &row );
2518 if (r != ERROR_SUCCESS)
2519 ERR("no matching row to transform\n");
2520 else if ( mask )
2521 {
2522 TRACE("modifying row [%d]:\n", row);
2523 TABLE_set_row( &tv->view, row, rec, mask );
2524 }
2525 else
2526 {
2527 TRACE("deleting row [%d]:\n", row);
2528 TABLE_delete_row( &tv->view, row );
2529 }
2530 }
2531 if( TRACE_ON(msidb) ) dump_record( rec );
2532 msiobj_release( &rec->hdr );
2533 }
2534
2535 n += sz;
2536 }
2537
2538 err:
2539 /* no need to free the table, it's associated with the database */
2540 msi_free( rawdata );
2541 if( tv )
2542 tv->view.ops->delete( &tv->view );
2543
2544 return ERROR_SUCCESS;
2545 }
2546
2547 /*
2548 * msi_table_apply_transform
2549 *
2550 * Enumerate the table transforms in a transform storage and apply each one.
2551 */
2552 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2553 {
2554 struct list transforms;
2555 IEnumSTATSTG *stgenum = NULL;
2556 TRANSFORMDATA *transform;
2557 TRANSFORMDATA *tables = NULL, *columns = NULL;
2558 HRESULT r;
2559 STATSTG stat;
2560 string_table *strings;
2561 UINT ret = ERROR_FUNCTION_FAILED;
2562 UINT bytes_per_strref;
2563
2564 TRACE("%p %p\n", db, stg );
2565
2566 strings = msi_load_string_table( stg, &bytes_per_strref );
2567 if( !strings )
2568 goto end;
2569
2570 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2571 if( FAILED( r ) )
2572 goto end;
2573
2574 list_init(&transforms);
2575
2576 while ( TRUE )
2577 {
2578 MSITABLEVIEW *tv = NULL;
2579 WCHAR name[0x40];
2580 ULONG count = 0;
2581
2582 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2583 if ( FAILED( r ) || !count )
2584 break;
2585
2586 decode_streamname( stat.pwcsName, name );
2587 CoTaskMemFree( stat.pwcsName );
2588 if ( name[0] != 0x4840 )
2589 continue;
2590
2591 if ( !lstrcmpW( name+1, szStringPool ) ||
2592 !lstrcmpW( name+1, szStringData ) )
2593 continue;
2594
2595 transform = msi_alloc_zero( sizeof(TRANSFORMDATA) );
2596 if ( !transform )
2597 break;
2598
2599 list_add_tail( &transforms, &transform->entry );
2600
2601 transform->name = strdupW( name + 1 );
2602
2603 if ( !lstrcmpW( transform->name, szTables ) )
2604 tables = transform;
2605 else if (!lstrcmpW( transform->name, szColumns ) )
2606 columns = transform;
2607
2608 TRACE("transform contains stream %s\n", debugstr_w(name));
2609
2610 /* load the table */
2611 r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv );
2612 if( r != ERROR_SUCCESS )
2613 continue;
2614
2615 r = tv->view.ops->execute( &tv->view, NULL );
2616 if( r != ERROR_SUCCESS )
2617 {
2618 tv->view.ops->delete( &tv->view );
2619 continue;
2620 }
2621
2622 tv->view.ops->delete( &tv->view );
2623 }
2624
2625 /*
2626 * Apply _Tables and _Columns transforms first so that
2627 * the table metadata is correct, and empty tables exist.
2628 */
2629 ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref );
2630 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2631 goto end;
2632
2633 ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref );
2634 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2635 goto end;
2636
2637 ret = ERROR_SUCCESS;
2638
2639 while ( !list_empty( &transforms ) )
2640 {
2641 transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry );
2642
2643 if ( lstrcmpW( transform->name, szColumns ) &&
2644 lstrcmpW( transform->name, szTables ) &&
2645 ret == ERROR_SUCCESS )
2646 {
2647 ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref );
2648 }
2649
2650 list_remove( &transform->entry );
2651 msi_free( transform->name );
2652 msi_free( transform );
2653 }
2654
2655 if ( ret == ERROR_SUCCESS )
2656 append_storage_to_db( db, stg );
2657
2658 end:
2659 if ( stgenum )
2660 IEnumSTATSTG_Release( stgenum );
2661 if ( strings )
2662 msi_destroy_stringtable( strings );
2663
2664 return ret;
2665 }
2666
2667 void append_storage_to_db( MSIDATABASE *db, IStorage *stg )
2668 {
2669 MSITRANSFORM *t;
2670
2671 t = msi_alloc( sizeof *t );
2672 t->stg = stg;
2673 IStorage_AddRef( stg );
2674 list_add_tail( &db->transforms, &t->entry );
2675 }
2676
2677 void msi_free_transforms( MSIDATABASE *db )
2678 {
2679 while( !list_empty( &db->transforms ) )
2680 {
2681 MSITRANSFORM *t = LIST_ENTRY( list_head( &db->transforms ),
2682 MSITRANSFORM, entry );
2683 list_remove( &t->entry );
2684 IStorage_Release( t->stg );
2685 msi_free( t );
2686 }
2687 }