2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 2002-2005 Mike McCormack for CodeWeavers
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 #define NONAMELESSUNION
26 #define NONAMELESSSTRUCT
39 #include "wine/debug.h"
40 #include "wine/unicode.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
44 #define MSITABLE_HASH_TABLE_SIZE 37
46 typedef struct tagMSICOLUMNHASHENTRY
48 struct tagMSICOLUMNHASHENTRY *next;
53 typedef struct tagMSICOLUMNINFO
60 MSICOLUMNHASHENTRY **hash_table;
67 USHORT **nonpersistent_data;
68 UINT nonpersistent_row_count;
70 MSICOLUMNINFO *colinfo;
76 typedef struct tagMSITRANSFORM {
81 static const WCHAR szStringData[] = {
82 '_','S','t','r','i','n','g','D','a','t','a',0 };
83 static const WCHAR szStringPool[] = {
84 '_','S','t','r','i','n','g','P','o','o','l',0 };
86 /* information for default tables */
87 static const WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
88 static const WCHAR szTable[] = { 'T','a','b','l','e',0 };
89 static const WCHAR szName[] = { 'N','a','m','e',0 };
90 static const WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
91 static const WCHAR szNumber[] = { 'N','u','m','b','e','r',0 };
92 static const WCHAR szType[] = { 'T','y','p','e',0 };
94 /* These tables are written into (the .hash_table part).
95 * Do not mark them const.
97 static MSICOLUMNINFO _Columns_cols[4] = {
98 { szColumns, 1, szTable, MSITYPE_VALID | MSITYPE_STRING | 64, 0 },
99 { szColumns, 2, szNumber, MSITYPE_VALID | 2, 2 },
100 { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4 },
101 { szColumns, 4, szType, MSITYPE_VALID | 2, 6 },
103 static MSICOLUMNINFO _Tables_cols[1] = {
104 { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 0 },
107 #define MAX_STREAM_NAME 0x1f
109 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
110 MSICOLUMNINFO **pcols, UINT *pcount );
111 static void table_calc_column_offsets( MSICOLUMNINFO *colinfo, DWORD count );
112 static UINT get_tablecolumns( MSIDATABASE *db,
113 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
114 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
116 static inline UINT bytes_per_column( const MSICOLUMNINFO *col )
118 if( col->type & MSITYPE_STRING )
120 if( (col->type & 0xff) > 4 )
121 ERR("Invalid column size!\n");
122 return col->type & 0xff;
125 static int utf2mime(int x)
127 if( (x>='0') && (x<='9') )
129 if( (x>='A') && (x<='Z') )
131 if( (x>='a') && (x<='z') )
140 LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
142 DWORD count = MAX_STREAM_NAME;
147 count = lstrlenW( in )+2;
148 out = msi_alloc( count*sizeof(WCHAR) );
164 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
166 ch = utf2mime(ch) + 0x4800;
168 if( next && (next<0x80) )
170 next = utf2mime(next);
181 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
186 static int mime2utf(int x)
193 return x - 10 - 26 + 'a';
194 if( x == (10+26+26) )
199 BOOL decode_streamname(LPWSTR in, LPWSTR out)
204 while ( (ch = *in++) )
206 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
209 ch = mime2utf(ch-0x4800);
213 *out++ = mime2utf(ch&0x3f);
215 ch = mime2utf((ch>>6)&0x3f);
225 void enum_stream_names( IStorage *stg )
227 IEnumSTATSTG *stgenum = NULL;
233 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
241 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
242 if( FAILED( r ) || !count )
244 decode_streamname( stat.pwcsName, name );
245 TRACE("stream %2d -> %s %s\n", n,
246 debugstr_w(stat.pwcsName), debugstr_w(name) );
250 IEnumSTATSTG_Release( stgenum );
253 UINT read_stream_data( IStorage *stg, LPCWSTR stname,
254 USHORT **pdata, UINT *psz )
257 UINT ret = ERROR_FUNCTION_FAILED;
264 encname = encode_streamname(TRUE, stname);
266 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
268 r = IStorage_OpenStream(stg, encname, NULL,
269 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
273 WARN("open stream failed r = %08x - empty table?\n", r);
277 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
280 WARN("open stream failed r = %08x!\n", r);
284 if( stat.cbSize.QuadPart >> 32 )
290 sz = stat.cbSize.QuadPart;
291 data = msi_alloc( sz );
294 WARN("couldn't allocate memory r=%08x!\n", r);
295 ret = ERROR_NOT_ENOUGH_MEMORY;
299 r = IStream_Read(stm, data, sz, &count );
300 if( FAILED( r ) || ( count != sz ) )
303 WARN("read stream failed r = %08x!\n", r);
312 IStream_Release( stm );
317 UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm )
322 encname = encode_streamname(FALSE, stname);
324 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
326 r = IStorage_OpenStream(db->storage, encname, NULL,
327 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm);
330 MSITRANSFORM *transform;
332 LIST_FOR_EACH_ENTRY( transform, &db->transforms, MSITRANSFORM, entry )
334 TRACE("looking for %s in transform storage\n", debugstr_w(stname) );
335 r = IStorage_OpenStream( transform->stg, encname, NULL,
336 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm );
344 return SUCCEEDED(r) ? ERROR_SUCCESS : ERROR_FUNCTION_FAILED;
347 UINT read_raw_stream_data( MSIDATABASE *db, LPCWSTR stname,
348 USHORT **pdata, UINT *psz )
351 UINT ret = ERROR_FUNCTION_FAILED;
357 r = db_get_raw_stream( db, stname, &stm );
358 if( r != ERROR_SUCCESS)
360 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
363 WARN("open stream failed r = %08x!\n", r);
367 if( stat.cbSize.QuadPart >> 32 )
373 sz = stat.cbSize.QuadPart;
374 data = msi_alloc( sz );
377 WARN("couldn't allocate memory r=%08x!\n", r);
378 ret = ERROR_NOT_ENOUGH_MEMORY;
382 r = IStream_Read(stm, data, sz, &count );
383 if( FAILED( r ) || ( count != sz ) )
386 WARN("read stream failed r = %08x!\n", r);
395 IStream_Release( stm );
400 UINT write_stream_data( IStorage *stg, LPCWSTR stname,
401 LPVOID data, UINT sz, BOOL bTable )
404 UINT ret = ERROR_FUNCTION_FAILED;
411 encname = encode_streamname(bTable, stname );
412 r = IStorage_OpenStream( stg, encname, NULL,
413 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
416 r = IStorage_CreateStream( stg, encname,
417 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
422 WARN("open stream failed r = %08x\n", r);
427 r = IStream_SetSize( stm, size );
430 WARN("Failed to SetSize\n");
435 r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
438 WARN("Failed to Seek\n");
444 r = IStream_Write(stm, data, sz, &count );
445 if( FAILED( r ) || ( count != sz ) )
447 WARN("Failed to Write\n");
455 IStream_Release( stm );
460 static void free_table( MSITABLE *table )
463 for( i=0; i<table->row_count; i++ )
464 msi_free( table->data[i] );
465 msi_free( table->data );
466 for( i=0; i<table->nonpersistent_row_count; i++ )
467 msi_free( table->nonpersistent_data[i] );
468 msi_free( table->nonpersistent_data );
469 if( (table->colinfo != _Tables_cols) &&
470 (table->colinfo != _Columns_cols) )
472 msi_free_colinfo( table->colinfo, table->col_count );
473 msi_free( table->colinfo );
478 static UINT msi_table_get_row_size( const MSICOLUMNINFO *cols, UINT count )
480 const MSICOLUMNINFO *last_col = &cols[count-1];
483 return last_col->offset + bytes_per_column( last_col );
486 /* add this table to the list of cached tables in the database */
487 static UINT read_table_from_storage( MSITABLE *t, IStorage *stg )
489 USHORT *rawdata = NULL;
490 UINT rawsize = 0, i, j, row_size = 0;
492 TRACE("%s\n",debugstr_w(t->name));
494 row_size = msi_table_get_row_size( t->colinfo, t->col_count );
496 /* if we can't read the table, just assume that it's empty */
497 read_stream_data( stg, t->name, &rawdata, &rawsize );
499 return ERROR_SUCCESS;
501 TRACE("Read %d bytes\n", rawsize );
503 if( rawsize % row_size )
505 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
509 t->row_count = rawsize / row_size;
510 t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
514 /* transpose all the data */
515 TRACE("Transposing data from %d rows\n", t->row_count );
516 for( i=0; i<t->row_count; i++ )
518 t->data[i] = msi_alloc( row_size );
522 for( j=0; j<t->col_count; j++ )
524 UINT ofs = t->colinfo[j].offset/2;
525 UINT n = bytes_per_column( &t->colinfo[j] );
530 t->data[i][ofs] = rawdata[ofs*t->row_count + i ];
533 t->data[i][ofs] = rawdata[ofs*t->row_count + i*2 ];
534 t->data[i][ofs+1] = rawdata[ofs*t->row_count + i*2 + 1];
537 ERR("oops - unknown column width %d\n", n);
544 return ERROR_SUCCESS;
547 return ERROR_FUNCTION_FAILED;
550 void free_cached_tables( MSIDATABASE *db )
552 while( !list_empty( &db->tables ) )
554 MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
556 list_remove( &t->entry );
561 static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name )
565 LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
566 if( !lstrcmpW( name, t->name ) )
572 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
574 UINT r, column_count = 0;
575 MSICOLUMNINFO *columns;
577 /* get the number of columns in this table */
579 r = get_tablecolumns( db, name, NULL, &column_count );
580 if( r != ERROR_SUCCESS )
583 /* if there's no columns, there's no table */
584 if( column_count == 0 )
585 return ERROR_INVALID_PARAMETER;
587 TRACE("Table %s found\n", debugstr_w(name) );
589 columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO) );
591 return ERROR_FUNCTION_FAILED;
593 r = get_tablecolumns( db, name, columns, &column_count );
594 if( r != ERROR_SUCCESS )
597 return ERROR_FUNCTION_FAILED;
601 *pcount = column_count;
606 UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info,
607 BOOL persistent, MSITABLE **table_ret)
611 MSIRECORD *rec = NULL;
616 /* only add tables that don't exist already */
617 if( TABLE_Exists(db, name ) )
619 WARN("table %s exists\n", debugstr_w(name));
620 return ERROR_BAD_QUERY_SYNTAX;
623 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
625 return ERROR_FUNCTION_FAILED;
627 table->row_count = 0;
629 table->nonpersistent_row_count = 0;
630 table->nonpersistent_data = NULL;
631 table->colinfo = NULL;
632 table->col_count = 0;
633 table->persistent = persistent;
634 lstrcpyW( table->name, name );
636 for( col = col_info; col; col = col->next )
639 table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) );
643 return ERROR_FUNCTION_FAILED;
646 for( i = 0, col = col_info; col; i++, col = col->next )
648 table->colinfo[ i ].tablename = strdupW( col->table );
649 table->colinfo[ i ].number = i + 1;
650 table->colinfo[ i ].colname = strdupW( col->column );
651 table->colinfo[ i ].type = col->type;
652 table->colinfo[ i ].offset = 0;
653 table->colinfo[ i ].hash_table = NULL;
655 table_calc_column_offsets( table->colinfo, table->col_count);
657 r = TABLE_CreateView( db, szTables, &tv );
658 TRACE("CreateView returned %x\n", r);
665 r = tv->ops->execute( tv, 0 );
666 TRACE("tv execute returned %x\n", r);
670 rec = MSI_CreateRecord( 1 );
674 r = MSI_RecordSetStringW( rec, 1, name );
678 r = tv->ops->insert_row( tv, rec, !persistent );
679 TRACE("insert_row returned %x\n", r);
683 tv->ops->delete( tv );
686 msiobj_release( &rec->hdr );
691 /* add each column to the _Columns table */
692 r = TABLE_CreateView( db, szColumns, &tv );
696 r = tv->ops->execute( tv, 0 );
697 TRACE("tv execute returned %x\n", r);
701 rec = MSI_CreateRecord( 4 );
705 r = MSI_RecordSetStringW( rec, 1, name );
710 * need to set the table, column number, col name and type
711 * for each column we enter in the table
714 for( col = col_info; col; col = col->next )
716 r = MSI_RecordSetInteger( rec, 2, nField );
720 r = MSI_RecordSetStringW( rec, 3, col->column );
724 r = MSI_RecordSetInteger( rec, 4, col->type );
728 r = tv->ops->insert_row( tv, rec, FALSE );
740 msiobj_release( &rec->hdr );
741 /* FIXME: remove values from the string table on error */
743 tv->ops->delete( tv );
745 if (r == ERROR_SUCCESS)
747 list_add_head( &db->tables, &table->entry );
756 static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret )
761 /* first, see if the table is cached */
762 table = find_cached_table( db, name );
766 return ERROR_SUCCESS;
769 /* nonexistent tables should be interpreted as empty tables */
770 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
772 return ERROR_FUNCTION_FAILED;
774 table->row_count = 0;
776 table->nonpersistent_row_count = 0;
777 table->nonpersistent_data = NULL;
778 table->colinfo = NULL;
779 table->col_count = 0;
780 table->persistent = TRUE;
781 lstrcpyW( table->name, name );
783 /* these two tables are special - we know the column types already */
784 if( !lstrcmpW( name, szColumns ) )
786 table->colinfo = _Columns_cols;
787 table->col_count = sizeof(_Columns_cols)/sizeof(_Columns_cols[0]);
789 else if( !lstrcmpW( name, szTables ) )
791 table->colinfo = _Tables_cols;
792 table->col_count = sizeof(_Tables_cols)/sizeof(_Tables_cols[0]);
796 r = table_get_column_info( db, name, &table->colinfo, &table->col_count);
797 if (r != ERROR_SUCCESS)
799 free_table ( table );
804 r = read_table_from_storage( table, db->storage );
805 if( r != ERROR_SUCCESS )
811 list_add_head( &db->tables, &table->entry );
813 return ERROR_SUCCESS;
816 static UINT save_table( MSIDATABASE *db, MSITABLE *t )
818 USHORT *rawdata = NULL, *p;
819 UINT rawsize, r, i, j, row_size;
821 /* Nothing to do for non-persistent tables */
823 return ERROR_SUCCESS;
825 TRACE("Saving %s\n", debugstr_w( t->name ) );
827 row_size = msi_table_get_row_size( t->colinfo, t->col_count );
829 rawsize = t->row_count * row_size;
830 rawdata = msi_alloc_zero( rawsize );
833 r = ERROR_NOT_ENOUGH_MEMORY;
838 for( i=0; i<t->col_count; i++ )
840 for( j=0; j<t->row_count; j++ )
842 UINT offset = t->colinfo[i].offset;
844 *p++ = t->data[j][offset/2];
845 if( 4 == bytes_per_column( &t->colinfo[i] ) )
846 *p++ = t->data[j][offset/2+1];
850 TRACE("writing %d bytes\n", rawsize);
851 r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE );
859 static void table_calc_column_offsets( MSICOLUMNINFO *colinfo, DWORD count )
863 for( i=0; colinfo && (i<count); i++ )
865 assert( (i+1) == colinfo[ i ].number );
867 colinfo[i].offset = colinfo[ i - 1 ].offset
868 + bytes_per_column( &colinfo[ i - 1 ] );
870 colinfo[i].offset = 0;
871 TRACE("column %d is [%s] with type %08x ofs %d\n",
872 colinfo[i].number, debugstr_w(colinfo[i].colname),
873 colinfo[i].type, colinfo[i].offset);
877 static UINT get_defaulttablecolumns( LPCWSTR name, MSICOLUMNINFO *colinfo, UINT *sz)
879 const MSICOLUMNINFO *p;
882 TRACE("%s\n", debugstr_w(name));
884 if (!lstrcmpW( name, szTables ))
889 else if (!lstrcmpW( name, szColumns ))
895 return ERROR_FUNCTION_FAILED;
897 /* duplicate the string data so we can free it in msi_free_colinfo */
900 if (colinfo && (i < *sz) )
902 memcpy( &colinfo[i], &p[i], sizeof(MSICOLUMNINFO) );
903 colinfo[i].tablename = strdupW( p[i].tablename );
904 colinfo[i].colname = strdupW( p[i].colname );
906 if( colinfo && (i >= *sz) )
909 table_calc_column_offsets( colinfo, n );
911 return ERROR_SUCCESS;
914 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count )
918 for( i=0; i<count; i++ )
920 msi_free( (LPWSTR) colinfo[i].tablename );
921 msi_free( (LPWSTR) colinfo[i].colname );
922 msi_free( colinfo[i].hash_table );
926 static LPWSTR msi_makestring( MSIDATABASE *db, UINT stringid)
928 return strdupW(msi_string_lookup_id( db->strings, stringid ));
931 static UINT get_tablecolumns( MSIDATABASE *db,
932 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
934 UINT r, i, n=0, table_id, count, maxcount = *sz;
935 MSITABLE *table = NULL;
937 TRACE("%s\n", debugstr_w(szTableName));
939 /* first check if there is a default table with that name */
940 r = get_defaulttablecolumns( szTableName, colinfo, sz );
941 if( ( r == ERROR_SUCCESS ) && *sz )
944 r = get_table( db, szColumns, &table );
945 if( r != ERROR_SUCCESS )
947 ERR("couldn't load _Columns table\n");
948 return ERROR_FUNCTION_FAILED;
951 /* convert table and column names to IDs from the string table */
952 r = msi_string2idW( db->strings, szTableName, &table_id );
953 if( r != ERROR_SUCCESS )
955 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
959 TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
961 /* Note: _Columns table doesn't have non-persistent data */
963 /* if maxcount is non-zero, assume it's exactly right for this table */
964 memset( colinfo, 0, maxcount*sizeof(*colinfo) );
965 count = table->row_count;
966 for( i=0; i<count; i++ )
968 if( table->data[ i ][ 0 ] != table_id )
972 UINT id = table->data[ i ] [ 2 ];
973 UINT col = table->data[ i ][ 1 ] - (1<<15);
975 /* check the column number is in range */
976 if (col<1 || col>maxcount)
978 ERR("column %d out of range\n", col);
982 /* check if this column was already set */
983 if (colinfo[ col - 1 ].number)
985 ERR("duplicate column %d\n", col);
989 colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
990 colinfo[ col - 1 ].number = col;
991 colinfo[ col - 1 ].colname = msi_makestring( db, id );
992 colinfo[ col - 1 ].type = table->data[ i ] [ 3 ] - (1<<15);
993 colinfo[ col - 1 ].offset = 0;
994 colinfo[ col - 1 ].hash_table = NULL;
999 TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
1001 if (colinfo && n != maxcount)
1003 ERR("missing column in table %s\n", debugstr_w(szTableName));
1004 msi_free_colinfo(colinfo, maxcount );
1005 return ERROR_FUNCTION_FAILED;
1008 table_calc_column_offsets( colinfo, n );
1011 return ERROR_SUCCESS;
1014 /* try to find the table name in the _Tables table */
1015 BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
1017 UINT r, table_id = 0, i, count;
1018 MSITABLE *table = NULL;
1020 if( !lstrcmpW( name, szTables ) )
1022 if( !lstrcmpW( name, szColumns ) )
1025 r = msi_string2idW( db->strings, name, &table_id );
1026 if( r != ERROR_SUCCESS )
1028 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1032 r = get_table( db, szTables, &table );
1033 if( r != ERROR_SUCCESS )
1035 ERR("table %s not available\n", debugstr_w(szTables));
1039 count = table->row_count;
1040 for( i=0; i<count; i++ )
1041 if( table->data[ i ][ 0 ] == table_id )
1047 count = table->nonpersistent_row_count;
1048 for( i=0; i<count; i++ )
1049 if( table->nonpersistent_data[ i ][ 0 ] == table_id )
1055 TRACE("Searched %d tables, but %d was not found\n", count, table_id );
1060 /* below is the query interface to a table */
1062 typedef struct tagMSITABLEVIEW
1067 MSICOLUMNINFO *columns;
1073 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1075 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1080 return ERROR_INVALID_PARAMETER;
1082 if( (col==0) || (col>tv->num_cols) )
1083 return ERROR_INVALID_PARAMETER;
1085 /* how many rows are there ? */
1086 if( row >= tv->table->row_count + tv->table->nonpersistent_row_count )
1087 return ERROR_NO_MORE_ITEMS;
1089 if( tv->columns[col-1].offset >= tv->row_size )
1091 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1092 ERR("%p %p\n", tv, tv->columns );
1093 return ERROR_FUNCTION_FAILED;
1096 if (row >= tv->table->row_count)
1098 row -= tv->table->row_count;
1099 data = tv->table->nonpersistent_data;
1102 data = tv->table->data;
1103 n = bytes_per_column( &tv->columns[col-1] );
1107 offset = tv->columns[col-1].offset/2;
1108 *val = data[row][offset] +
1109 (data[row][offset + 1] << 16);
1112 offset = tv->columns[col-1].offset/2;
1113 *val = data[row][offset];
1116 ERR("oops! what is %d bytes per column?\n", n );
1117 return ERROR_FUNCTION_FAILED;
1120 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1122 return ERROR_SUCCESS;
1126 * We need a special case for streams, as we need to reference column with
1127 * the name of the stream in the same table, and the table name
1128 * which may not be available at higher levels of the query
1130 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1132 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1133 UINT ival = 0, refcol = 0, r;
1137 static const WCHAR szDot[] = { '.', 0 };
1140 if( !view->ops->fetch_int )
1141 return ERROR_INVALID_PARAMETER;
1144 * The column marked with the type stream data seems to have a single number
1145 * which references the column containing the name of the stream data
1147 * Fetch the column to reference first.
1149 r = view->ops->fetch_int( view, row, col, &ival );
1150 if( r != ERROR_SUCCESS )
1153 /* check the column value is in range */
1154 if (ival < 0 || ival > tv->num_cols || ival == col)
1156 ERR("bad column ref (%u) for stream\n", ival);
1157 return ERROR_FUNCTION_FAILED;
1160 if ( tv->columns[ival - 1].type & MSITYPE_STRING )
1162 /* now get the column with the name of the stream */
1163 r = view->ops->fetch_int( view, row, ival, &refcol );
1164 if ( r != ERROR_SUCCESS )
1167 /* lookup the string value from the string table */
1168 sval = msi_string_lookup_id( tv->db->strings, refcol );
1170 return ERROR_INVALID_PARAMETER;
1174 static const WCHAR fmt[] = { '%','d',0 };
1175 sprintfW( number, fmt, ival );
1179 len = lstrlenW( tv->name ) + 2 + lstrlenW( sval );
1180 full_name = msi_alloc( len*sizeof(WCHAR) );
1181 lstrcpyW( full_name, tv->name );
1182 lstrcatW( full_name, szDot );
1183 lstrcatW( full_name, sval );
1185 r = db_get_raw_stream( tv->db, full_name, stm );
1187 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1188 msi_free( full_name );
1193 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1199 return ERROR_INVALID_PARAMETER;
1201 if( (col==0) || (col>tv->num_cols) )
1202 return ERROR_INVALID_PARAMETER;
1204 if( row >= tv->table->row_count + tv->table->nonpersistent_row_count )
1205 return ERROR_INVALID_PARAMETER;
1207 if( tv->columns[col-1].offset >= tv->row_size )
1209 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1210 ERR("%p %p\n", tv, tv->columns );
1211 return ERROR_FUNCTION_FAILED;
1214 msi_free( tv->columns[col-1].hash_table );
1215 tv->columns[col-1].hash_table = NULL;
1217 if (row >= tv->table->row_count)
1219 row -= tv->table->row_count;
1220 data = tv->table->nonpersistent_data;
1223 data = tv->table->data;
1224 n = bytes_per_column( &tv->columns[col-1] );
1228 offset = tv->columns[col-1].offset/2;
1229 data[row][offset] = val & 0xffff;
1230 data[row][offset + 1] = (val>>16)&0xffff;
1233 offset = tv->columns[col-1].offset/2;
1234 data[row][offset] = val;
1237 ERR("oops! what is %d bytes per column?\n", n );
1238 return ERROR_FUNCTION_FAILED;
1240 return ERROR_SUCCESS;
1243 static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
1245 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1246 UINT i, val, r = ERROR_SUCCESS;
1249 return ERROR_INVALID_PARAMETER;
1251 /* test if any of the mask bits are invalid */
1252 if ( mask >= (1<<tv->num_cols) )
1253 return ERROR_INVALID_PARAMETER;
1255 for ( i = 0; i < tv->num_cols; i++ )
1259 /* only update the fields specified in the mask */
1260 if ( !(mask&(1<<i)) )
1263 /* if row >= tv->table->row_count then it is a non-persistent row */
1264 persistent = tv->table->persistent && (row < tv->table->row_count);
1265 /* FIXME: should we allow updating keys? */
1268 if ( !MSI_RecordIsNull( rec, i + 1 ) )
1270 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1272 val = 1; /* refers to the first key column */
1274 else if ( tv->columns[i].type & MSITYPE_STRING )
1276 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1277 val = msi_addstringW( tv->db->strings, 0, sval, -1, 1,
1278 persistent ? StringPersistent : StringNonPersistent );
1280 else if ( 2 == bytes_per_column( &tv->columns[ i ] ) )
1282 val = 0x8000 + MSI_RecordGetInteger( rec, i + 1 );
1283 if ( val & 0xffff0000 )
1285 ERR("field %u value %d out of range\n", i+1, val - 0x8000 );
1286 return ERROR_FUNCTION_FAILED;
1291 INT ival = MSI_RecordGetInteger( rec, i + 1 );
1292 val = ival ^ 0x80000000;
1296 r = TABLE_set_int( tv, row, i+1, val );
1297 if ( r != ERROR_SUCCESS )
1303 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1305 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1311 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1314 return ERROR_INVALID_PARAMETER;
1316 row = msi_alloc_zero( tv->row_size );
1318 return ERROR_NOT_ENOUGH_MEMORY;
1322 row_count = &tv->table->nonpersistent_row_count;
1323 data_ptr = &tv->table->nonpersistent_data;
1324 *num = tv->table->row_count + tv->table->nonpersistent_row_count;
1328 row_count = &tv->table->row_count;
1329 data_ptr = &tv->table->data;
1330 *num = tv->table->row_count;
1333 sz = (*row_count + 1) * sizeof (UINT*);
1335 p = msi_realloc( *data_ptr, sz );
1337 p = msi_alloc( sz );
1341 return ERROR_NOT_ENOUGH_MEMORY;
1345 (*data_ptr)[*row_count] = row;
1348 return ERROR_SUCCESS;
1351 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1353 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1355 TRACE("%p %p\n", tv, record);
1357 TRACE("There are %d columns\n", tv->num_cols );
1359 return ERROR_SUCCESS;
1362 static UINT TABLE_close( struct tagMSIVIEW *view )
1364 TRACE("%p\n", view );
1366 return ERROR_SUCCESS;
1369 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1371 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1373 TRACE("%p %p %p\n", view, rows, cols );
1376 *cols = tv->num_cols;
1380 return ERROR_INVALID_PARAMETER;
1381 *rows = tv->table->row_count + tv->table->nonpersistent_row_count;
1384 return ERROR_SUCCESS;
1387 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1388 UINT n, LPWSTR *name, UINT *type )
1390 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1392 TRACE("%p %d %p %p\n", tv, n, name, type );
1394 if( ( n == 0 ) || ( n > tv->num_cols ) )
1395 return ERROR_INVALID_PARAMETER;
1399 *name = strdupW( tv->columns[n-1].colname );
1401 return ERROR_FUNCTION_FAILED;
1404 *type = tv->columns[n-1].type;
1406 return ERROR_SUCCESS;
1409 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1411 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1415 /* check there's no null values where they're not allowed */
1416 for( i = 0; i < tv->num_cols; i++ )
1418 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1421 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1422 TRACE("skipping binary column\n");
1423 else if ( tv->columns[i].type & MSITYPE_STRING )
1427 str = MSI_RecordGetString( rec, i+1 );
1428 if (str == NULL || str[0] == 0)
1429 return ERROR_INVALID_DATA;
1435 n = MSI_RecordGetInteger( rec, i+1 );
1436 if (n == MSI_NULL_INTEGER)
1437 return ERROR_INVALID_DATA;
1441 /* check there's no duplicate keys */
1442 r = msi_table_find_row( tv, rec, &row );
1443 if (r == ERROR_SUCCESS)
1444 return ERROR_INVALID_DATA;
1446 return ERROR_SUCCESS;
1449 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, BOOL temporary )
1451 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1454 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1456 /* check that the key is unique - can we find a matching row? */
1457 r = table_validate_new( tv, rec );
1458 if( r != ERROR_SUCCESS )
1459 return ERROR_FUNCTION_FAILED;
1461 r = table_create_new_row( view, &row, temporary );
1462 TRACE("insert_row returned %08x\n", r);
1463 if( r != ERROR_SUCCESS )
1466 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1469 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1472 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1475 TRACE("%p %d %p\n", view, eModifyMode, rec );
1477 switch (eModifyMode)
1479 case MSIMODIFY_VALIDATE_NEW:
1480 r = table_validate_new( tv, rec );
1483 case MSIMODIFY_INSERT_TEMPORARY:
1484 r = table_validate_new( tv, rec );
1485 if (r != ERROR_SUCCESS)
1487 r = TABLE_insert_row( view, rec, TRUE );
1490 case MSIMODIFY_REFRESH:
1491 case MSIMODIFY_INSERT:
1492 case MSIMODIFY_UPDATE:
1493 case MSIMODIFY_ASSIGN:
1494 case MSIMODIFY_REPLACE:
1495 case MSIMODIFY_MERGE:
1496 case MSIMODIFY_DELETE:
1497 case MSIMODIFY_VALIDATE:
1498 case MSIMODIFY_VALIDATE_FIELD:
1499 case MSIMODIFY_VALIDATE_DELETE:
1500 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1501 r = ERROR_CALL_NOT_IMPLEMENTED;
1505 r = ERROR_INVALID_DATA;
1511 static UINT TABLE_delete( struct tagMSIVIEW *view )
1513 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1515 TRACE("%p\n", view );
1523 return ERROR_SUCCESS;
1526 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1527 UINT val, UINT *row, MSIITERHANDLE *handle )
1529 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1530 const MSICOLUMNHASHENTRY *entry;
1532 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1535 return ERROR_INVALID_PARAMETER;
1537 if( (col==0) || (col > tv->num_cols) )
1538 return ERROR_INVALID_PARAMETER;
1540 if( !tv->columns[col-1].hash_table )
1543 UINT num_rows = tv->table->row_count + tv->table->nonpersistent_row_count;
1544 MSICOLUMNHASHENTRY **hash_table;
1545 MSICOLUMNHASHENTRY *new_entry;
1547 if( tv->columns[col-1].offset >= tv->row_size )
1549 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1550 ERR("%p %p\n", tv, tv->columns );
1551 return ERROR_FUNCTION_FAILED;
1554 /* allocate contiguous memory for the table and its entries so we
1555 * don't have to do an expensive cleanup */
1556 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1557 num_rows * sizeof(MSICOLUMNHASHENTRY));
1559 return ERROR_OUTOFMEMORY;
1561 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1562 tv->columns[col-1].hash_table = hash_table;
1564 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1566 for (i = 0; i < num_rows; i++, new_entry++)
1572 if( row >= tv->table->row_count )
1574 row -= tv->table->row_count;
1575 data = tv->table->nonpersistent_data;
1578 data = tv->table->data;
1579 n = bytes_per_column( &tv->columns[col-1] );
1583 offset = tv->columns[col-1].offset/2;
1584 row_value = data[row][offset] +
1585 (data[row][offset + 1] << 16);
1588 offset = tv->columns[col-1].offset/2;
1589 row_value = data[row][offset];
1592 ERR("oops! what is %d bytes per column?\n", n );
1596 new_entry->next = NULL;
1597 new_entry->value = row_value;
1599 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1601 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1602 while (prev_entry->next)
1603 prev_entry = prev_entry->next;
1604 prev_entry->next = new_entry;
1607 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1612 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1614 entry = (*handle)->next;
1616 while (entry && entry->value != val)
1617 entry = entry->next;
1621 return ERROR_NO_MORE_ITEMS;
1624 return ERROR_SUCCESS;
1628 static const MSIVIEWOPS table_ops =
1636 TABLE_get_dimensions,
1637 TABLE_get_column_info,
1640 TABLE_find_matching_rows
1643 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
1648 static const WCHAR Streams[] = {'_','S','t','r','e','a','m','s',0};
1650 TRACE("%p %s %p\n", db, debugstr_w(name), view );
1652 if ( !lstrcmpW( name, Streams ) )
1653 return STREAMS_CreateView( db, view );
1655 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
1656 tv = msi_alloc_zero( sz );
1658 return ERROR_FUNCTION_FAILED;
1660 r = get_table( db, name, &tv->table );
1661 if( r != ERROR_SUCCESS )
1664 WARN("table not found\n");
1668 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
1670 /* fill the structure */
1671 tv->view.ops = &table_ops;
1673 tv->columns = tv->table->colinfo;
1674 tv->num_cols = tv->table->col_count;
1675 tv->row_size = msi_table_get_row_size( tv->table->colinfo, tv->table->col_count );
1677 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
1679 *view = (MSIVIEW*) tv;
1680 lstrcpyW( tv->name, name );
1682 return ERROR_SUCCESS;
1685 UINT MSI_CommitTables( MSIDATABASE *db )
1688 MSITABLE *table = NULL;
1692 r = msi_save_string_table( db->strings, db->storage );
1693 if( r != ERROR_SUCCESS )
1695 WARN("failed to save string table r=%08x\n",r);
1699 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
1701 r = save_table( db, table );
1702 if( r != ERROR_SUCCESS )
1704 WARN("failed to save table %s (r=%08x)\n",
1705 debugstr_w(table->name), r);
1710 /* force everything to reload next time */
1711 free_cached_tables( db );
1713 return ERROR_SUCCESS;
1716 MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table )
1721 TRACE("%p %s\n", db, debugstr_w(table));
1724 return MSICONDITION_ERROR;
1726 r = get_table( db, table, &t );
1727 if (r != ERROR_SUCCESS)
1728 return MSICONDITION_NONE;
1731 return MSICONDITION_TRUE;
1733 return MSICONDITION_FALSE;
1736 static MSIRECORD *msi_get_transform_record( MSITABLEVIEW *tv, string_table *st, USHORT *rawdata )
1738 UINT i, val, ofs = 0;
1739 USHORT mask = *rawdata++;
1740 MSICOLUMNINFO *columns = tv->columns;
1743 rec = MSI_CreateRecord( tv->num_cols );
1748 for( i=0; i<tv->num_cols; i++ )
1750 UINT n = bytes_per_column( &columns[i] );
1752 if ( (mask&1) && (i>=(mask>>8)) )
1754 /* all keys must be present */
1755 if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) )
1762 if( (columns[i].type & MSITYPE_STRING) &&
1763 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
1765 LPCWSTR sval = msi_string_lookup_id( st, val );
1766 MSI_RecordSetStringW( rec, i+1, sval );
1767 TRACE(" field %d [%s]\n", i+1, debugstr_w(sval));
1772 MSI_RecordSetInteger( rec, i+1, val^0x8000 );
1773 TRACE(" field %d [0x%04x]\n", i+1, val );
1777 val = (rawdata[ofs] + (rawdata[ofs + 1]<<16));
1779 MSI_RecordSetInteger( rec, i+1, val^0x80000000 );
1780 TRACE(" field %d [0x%08x]\n", i+1, val );
1783 ERR("oops - unknown column width %d\n", n);
1791 static void dump_record( MSIRECORD *rec )
1795 n = MSI_RecordGetFieldCount( rec );
1796 for( i=1; i<=n; i++ )
1798 LPCWSTR sval = MSI_RecordGetString( rec, i );
1800 if( MSI_RecordIsNull( rec, i ) )
1801 TRACE("row -> []\n");
1802 else if( (sval = MSI_RecordGetString( rec, i )) )
1803 TRACE("row -> [%s]\n", debugstr_w(sval));
1805 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) );
1809 static void dump_table( string_table *st, USHORT *rawdata, UINT rawsize )
1814 for( i=0; i<(rawsize/2); i++ )
1816 sval = msi_string_lookup_id( st, rawdata[i] );
1817 MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) );
1821 static UINT* msi_record_to_row( MSITABLEVIEW *tv, MSIRECORD *rec )
1826 data = msi_alloc( tv->num_cols *sizeof (UINT) );
1827 for( i=0; i<tv->num_cols; i++ )
1831 if ( ~tv->columns[i].type & MSITYPE_KEY )
1834 /* turn the transform column value into a row value */
1835 if ( ( tv->columns[i].type & MSITYPE_STRING ) &&
1836 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
1838 str = MSI_RecordGetString( rec, i+1 );
1839 r = msi_string2idW( tv->db->strings, str, &data[i] );
1841 /* if there's no matching string in the string table,
1842 these keys can't match any record, so fail now. */
1843 if( ERROR_SUCCESS != r )
1851 data[i] = MSI_RecordGetInteger( rec, i+1 );
1852 if ((tv->columns[i].type&0xff) == 2)
1855 data[i] += 0x80000000;
1861 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, UINT *data )
1863 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
1865 for( i=0; i<tv->num_cols; i++ )
1867 if ( ~tv->columns[i].type & MSITYPE_KEY )
1870 /* turn the transform column value into a row value */
1871 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
1872 if ( r != ERROR_SUCCESS )
1874 ERR("TABLE_fetch_int shouldn't fail here\n");
1878 /* if this key matches, move to the next column */
1881 ret = ERROR_FUNCTION_FAILED;
1885 ret = ERROR_SUCCESS;
1891 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
1893 UINT i, r = ERROR_FUNCTION_FAILED, *data;
1895 data = msi_record_to_row( tv, rec );
1898 for( i = 0; i < tv->table->row_count + tv->table->nonpersistent_row_count; i++ )
1900 r = msi_row_matches( tv, i, data );
1901 if( r == ERROR_SUCCESS )
1911 static UINT msi_delete_row( MSITABLEVIEW *tv, UINT row )
1915 for( i=1; i<=tv->num_cols; i++ )
1916 TABLE_set_int( tv, row, i, 0 );
1917 return ERROR_SUCCESS;
1920 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
1921 string_table *st, LPCWSTR name )
1924 USHORT *rawdata = NULL;
1925 MSITABLEVIEW *tv = NULL;
1926 UINT r, n, sz, i, mask;
1927 MSIRECORD *rec = NULL;
1932 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
1934 /* read the transform data */
1935 read_stream_data( stg, name, &rawdata, &rawsize );
1938 TRACE("table %s empty\n", debugstr_w(name) );
1939 return ERROR_INVALID_TABLE;
1942 /* create a table view */
1943 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
1944 if( r != ERROR_SUCCESS )
1947 r = tv->view.ops->execute( &tv->view, NULL );
1948 if( r != ERROR_SUCCESS )
1951 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
1952 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
1954 /* interpret the data */
1956 for( n=0; n < (rawsize/2); )
1963 * if the low bit is set, columns are continuous and
1964 * the number of columns is specified in the high byte
1966 sz = 2 + tv->row_size;
1971 * If the low bit is not set, rowdata[n] is a bitmask.
1972 * Excepting for key fields, which are always present,
1973 * each bit indicates that a field is present in the transform record.
1975 * rawdata[n] == 0 is a special case ... only the keys will be present
1976 * and it means that this row should be deleted.
1979 for( i=0; i<tv->num_cols; i++ )
1981 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
1982 sz += bytes_per_column( &tv->columns[i] );
1986 /* check we didn't run of the end of the table */
1987 if ( (n+sz) > rawsize )
1990 dump_table( st, rawdata, rawsize );
1994 rec = msi_get_transform_record( tv, st, &rawdata[n] );
1999 TRACE("inserting record\n");
2002 * Native msi seems writes nul into the
2003 * Number (2nd) column of the _Columns table.
2004 * Not sure that it's deliberate...
2006 if (!lstrcmpW(name, szColumns))
2011 MSI_RecordGetStringW( rec, 1, table, &sz );
2013 /* reset the column number on a new table */
2014 if ( lstrcmpW(coltable, table) )
2017 lstrcpyW( coltable, table );
2020 /* fix nul column numbers */
2021 MSI_RecordSetInteger( rec, 2, ++colcol );
2024 r = TABLE_insert_row( &tv->view, rec, FALSE );
2025 if (r != ERROR_SUCCESS)
2026 ERR("insert row failed\n");
2032 r = msi_table_find_row( tv, rec, &row );
2033 if (r != ERROR_SUCCESS)
2034 ERR("no matching row to transform\n");
2037 TRACE("modifying row [%d]:\n", row);
2038 TABLE_set_row( &tv->view, row, rec, mask );
2042 TRACE("deleting row [%d]:\n", row);
2043 msi_delete_row( tv, row );
2046 if( TRACE_ON(msidb) ) dump_record( rec );
2047 msiobj_release( &rec->hdr );
2054 /* no need to free the table, it's associated with the database */
2055 msi_free( rawdata );
2057 tv->view.ops->delete( &tv->view );
2059 return ERROR_SUCCESS;
2063 * msi_table_apply_transform
2065 * Enumerate the table transforms in a transform storage and apply each one.
2067 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2069 IEnumSTATSTG *stgenum = NULL;
2074 string_table *strings;
2075 UINT ret = ERROR_FUNCTION_FAILED;
2077 TRACE("%p %p\n", db, stg );
2079 strings = msi_load_string_table( stg );
2083 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2088 * Apply _Tables and _Columns transforms first so that
2089 * the table metadata is correct, and empty tables exist.
2091 ret = msi_table_load_transform( db, stg, strings, szTables );
2092 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2095 ret = msi_table_load_transform( db, stg, strings, szColumns );
2096 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2099 ret = ERROR_SUCCESS;
2101 while( r == ERROR_SUCCESS )
2104 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2105 if( FAILED( r ) || !count )
2108 decode_streamname( stat.pwcsName, name );
2109 if ( name[0] != 0x4840 )
2112 TRACE("transform contains stream %s\n", debugstr_w(name));
2114 if ( !lstrcmpW( name+1, szStringPool ) ||
2115 !lstrcmpW( name+1, szStringData ) ||
2116 !lstrcmpW( name+1, szColumns ) ||
2117 !lstrcmpW( name+1, szTables ) )
2120 ret = msi_table_load_transform( db, stg, strings, name+1 );
2123 if ( ret == ERROR_SUCCESS )
2124 append_storage_to_db( db, stg );
2128 IEnumSTATSTG_Release( stgenum );
2130 msi_destroy_stringtable( strings );
2135 void append_storage_to_db( MSIDATABASE *db, IStorage *stg )
2139 t = msi_alloc( sizeof *t );
2141 IStorage_AddRef( stg );
2142 list_add_tail( &db->transforms, &t->entry );
2145 void msi_free_transforms( MSIDATABASE *db )
2147 while( !list_empty( &db->transforms ) )
2149 MSITRANSFORM *t = LIST_ENTRY( list_head( &db->transforms ),
2150 MSITRANSFORM, entry );
2151 list_remove( &t->entry );
2152 IStorage_Release( t->stg );