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
45 #define LONG_STR_BYTES 3
47 typedef struct tagMSICOLUMNHASHENTRY
49 struct tagMSICOLUMNHASHENTRY *next;
54 typedef struct tagMSICOLUMNINFO
61 MSICOLUMNHASHENTRY **hash_table;
68 BYTE **nonpersistent_data;
69 UINT nonpersistent_row_count;
71 MSICOLUMNINFO *colinfo;
77 typedef struct tagMSITRANSFORM {
82 static const WCHAR szStringData[] = {
83 '_','S','t','r','i','n','g','D','a','t','a',0 };
84 static const WCHAR szStringPool[] = {
85 '_','S','t','r','i','n','g','P','o','o','l',0 };
87 /* information for default tables */
88 static const WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
89 static const WCHAR szTable[] = { 'T','a','b','l','e',0 };
90 static const WCHAR szName[] = { 'N','a','m','e',0 };
91 static const WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
92 static const WCHAR szNumber[] = { 'N','u','m','b','e','r',0 };
93 static const WCHAR szType[] = { 'T','y','p','e',0 };
95 /* These tables are written into (the .hash_table part).
96 * Do not mark them const.
98 static MSICOLUMNINFO _Columns_cols[4] = {
99 { szColumns, 1, szTable, MSITYPE_VALID | MSITYPE_STRING | 64, 0 },
100 { szColumns, 2, szNumber, MSITYPE_VALID | 2, 2 },
101 { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4 },
102 { szColumns, 4, szType, MSITYPE_VALID | 2, 6 },
104 static MSICOLUMNINFO _Tables_cols[1] = {
105 { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 0 },
108 #define MAX_STREAM_NAME 0x1f
110 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
111 MSICOLUMNINFO **pcols, UINT *pcount );
112 static void table_calc_column_offsets( MSICOLUMNINFO *colinfo, DWORD count );
113 static UINT get_tablecolumns( MSIDATABASE *db,
114 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
115 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
118 void msi_table_set_strref(UINT bytes_per_strref)
120 _Columns_cols[0].offset = 0;
121 _Columns_cols[1].offset = bytes_per_strref;
122 _Columns_cols[2].offset = _Columns_cols[1].offset + sizeof(USHORT);
123 _Columns_cols[3].offset = _Columns_cols[2].offset + bytes_per_strref;
126 static inline UINT bytes_per_column( const MSICOLUMNINFO *col )
128 if( MSITYPE_IS_BINARY(col->type) )
130 if( col->type & MSITYPE_STRING )
131 return _Columns_cols[1].offset;
132 if( (col->type & 0xff) > 4 )
133 ERR("Invalid column size!\n");
134 return col->type & 0xff;
137 static int utf2mime(int x)
139 if( (x>='0') && (x<='9') )
141 if( (x>='A') && (x<='Z') )
143 if( (x>='a') && (x<='z') )
152 LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
154 DWORD count = MAX_STREAM_NAME;
159 count = lstrlenW( in )+2;
160 out = msi_alloc( count*sizeof(WCHAR) );
176 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
178 ch = utf2mime(ch) + 0x4800;
180 if( next && (next<0x80) )
182 next = utf2mime(next);
193 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
198 static int mime2utf(int x)
205 return x - 10 - 26 + 'a';
206 if( x == (10+26+26) )
211 BOOL decode_streamname(LPCWSTR in, LPWSTR out)
216 while ( (ch = *in++) )
218 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
221 ch = mime2utf(ch-0x4800);
225 *out++ = mime2utf(ch&0x3f);
227 ch = mime2utf((ch>>6)&0x3f);
237 void enum_stream_names( IStorage *stg )
239 IEnumSTATSTG *stgenum = NULL;
245 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
253 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
254 if( FAILED( r ) || !count )
256 decode_streamname( stat.pwcsName, name );
257 TRACE("stream %2d -> %s %s\n", n,
258 debugstr_w(stat.pwcsName), debugstr_w(name) );
262 IEnumSTATSTG_Release( stgenum );
265 UINT read_stream_data( IStorage *stg, LPCWSTR stname,
266 BYTE **pdata, UINT *psz )
269 UINT ret = ERROR_FUNCTION_FAILED;
276 encname = encode_streamname(TRUE, stname);
278 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
280 r = IStorage_OpenStream(stg, encname, NULL,
281 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
285 WARN("open stream failed r = %08x - empty table?\n", r);
289 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
292 WARN("open stream failed r = %08x!\n", r);
296 if( stat.cbSize.QuadPart >> 32 )
302 sz = stat.cbSize.QuadPart;
303 data = msi_alloc( sz );
306 WARN("couldn't allocate memory r=%08x!\n", r);
307 ret = ERROR_NOT_ENOUGH_MEMORY;
311 r = IStream_Read(stm, data, sz, &count );
312 if( FAILED( r ) || ( count != sz ) )
315 WARN("read stream failed r = %08x!\n", r);
324 IStream_Release( stm );
329 UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm )
334 encname = encode_streamname(FALSE, stname);
336 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
338 r = IStorage_OpenStream(db->storage, encname, NULL,
339 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm);
342 MSITRANSFORM *transform;
344 LIST_FOR_EACH_ENTRY( transform, &db->transforms, MSITRANSFORM, entry )
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 );
356 return SUCCEEDED(r) ? ERROR_SUCCESS : ERROR_FUNCTION_FAILED;
359 UINT read_raw_stream_data( MSIDATABASE *db, LPCWSTR stname,
360 USHORT **pdata, UINT *psz )
363 UINT ret = ERROR_FUNCTION_FAILED;
369 r = db_get_raw_stream( db, stname, &stm );
370 if( r != ERROR_SUCCESS)
372 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
375 WARN("open stream failed r = %08x!\n", r);
379 if( stat.cbSize.QuadPart >> 32 )
385 sz = stat.cbSize.QuadPart;
386 data = msi_alloc( sz );
389 WARN("couldn't allocate memory r=%08x!\n", r);
390 ret = ERROR_NOT_ENOUGH_MEMORY;
394 r = IStream_Read(stm, data, sz, &count );
395 if( FAILED( r ) || ( count != sz ) )
398 WARN("read stream failed r = %08x!\n", r);
407 IStream_Release( stm );
412 UINT write_stream_data( IStorage *stg, LPCWSTR stname,
413 LPCVOID data, UINT sz, BOOL bTable )
416 UINT ret = ERROR_FUNCTION_FAILED;
423 encname = encode_streamname(bTable, stname );
424 r = IStorage_OpenStream( stg, encname, NULL,
425 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
428 r = IStorage_CreateStream( stg, encname,
429 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
434 WARN("open stream failed r = %08x\n", r);
439 r = IStream_SetSize( stm, size );
442 WARN("Failed to SetSize\n");
447 r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
450 WARN("Failed to Seek\n");
456 r = IStream_Write(stm, data, sz, &count );
457 if( FAILED( r ) || ( count != sz ) )
459 WARN("Failed to Write\n");
467 IStream_Release( stm );
472 static void free_table( MSITABLE *table )
475 for( i=0; i<table->row_count; i++ )
476 msi_free( table->data[i] );
477 msi_free( table->data );
478 for( i=0; i<table->nonpersistent_row_count; i++ )
479 msi_free( table->nonpersistent_data[i] );
480 msi_free( table->nonpersistent_data );
481 if( (table->colinfo != _Tables_cols) &&
482 (table->colinfo != _Columns_cols) )
484 msi_free_colinfo( table->colinfo, table->col_count );
485 msi_free( table->colinfo );
490 static UINT msi_table_get_row_size( const MSICOLUMNINFO *cols, UINT count )
492 const MSICOLUMNINFO *last_col = &cols[count-1];
495 return last_col->offset + bytes_per_column( last_col );
498 /* add this table to the list of cached tables in the database */
499 static UINT read_table_from_storage( MSITABLE *t, IStorage *stg )
501 BYTE *rawdata = NULL;
502 UINT rawsize = 0, i, j, row_size = 0;
504 TRACE("%s\n",debugstr_w(t->name));
506 row_size = msi_table_get_row_size( t->colinfo, t->col_count );
508 /* if we can't read the table, just assume that it's empty */
509 read_stream_data( stg, t->name, &rawdata, &rawsize );
511 return ERROR_SUCCESS;
513 TRACE("Read %d bytes\n", rawsize );
515 if( rawsize % row_size )
517 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
521 t->row_count = rawsize / row_size;
522 t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
526 /* transpose all the data */
527 TRACE("Transposing data from %d rows\n", t->row_count );
528 for( i=0; i<t->row_count; i++ )
530 t->data[i] = msi_alloc( row_size );
534 for( j=0; j<t->col_count; j++ )
536 UINT ofs = t->colinfo[j].offset;
537 UINT n = bytes_per_column( &t->colinfo[j] );
540 if ( n != 2 && n != 3 && n != 4 )
542 ERR("oops - unknown column width %d\n", n);
546 for ( k = 0; k < n; k++ )
547 t->data[i][ofs + k] = rawdata[ofs*t->row_count + i * n + k];
552 return ERROR_SUCCESS;
555 return ERROR_FUNCTION_FAILED;
558 void free_cached_tables( MSIDATABASE *db )
560 while( !list_empty( &db->tables ) )
562 MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
564 list_remove( &t->entry );
569 static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name )
573 LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
574 if( !lstrcmpW( name, t->name ) )
580 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
582 UINT r, column_count = 0;
583 MSICOLUMNINFO *columns;
585 /* get the number of columns in this table */
587 r = get_tablecolumns( db, name, NULL, &column_count );
588 if( r != ERROR_SUCCESS )
591 /* if there's no columns, there's no table */
592 if( column_count == 0 )
593 return ERROR_INVALID_PARAMETER;
595 TRACE("Table %s found\n", debugstr_w(name) );
597 columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO) );
599 return ERROR_FUNCTION_FAILED;
601 r = get_tablecolumns( db, name, columns, &column_count );
602 if( r != ERROR_SUCCESS )
605 return ERROR_FUNCTION_FAILED;
609 *pcount = column_count;
614 UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info,
615 BOOL persistent, MSITABLE **table_ret)
619 MSIRECORD *rec = NULL;
624 /* only add tables that don't exist already */
625 if( TABLE_Exists(db, name ) )
627 WARN("table %s exists\n", debugstr_w(name));
628 return ERROR_BAD_QUERY_SYNTAX;
631 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
633 return ERROR_FUNCTION_FAILED;
635 table->row_count = 0;
637 table->nonpersistent_row_count = 0;
638 table->nonpersistent_data = NULL;
639 table->colinfo = NULL;
640 table->col_count = 0;
641 table->persistent = persistent;
642 lstrcpyW( table->name, name );
644 for( col = col_info; col; col = col->next )
647 table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) );
651 return ERROR_FUNCTION_FAILED;
654 for( i = 0, col = col_info; col; i++, col = col->next )
656 table->colinfo[ i ].tablename = strdupW( col->table );
657 table->colinfo[ i ].number = i + 1;
658 table->colinfo[ i ].colname = strdupW( col->column );
659 table->colinfo[ i ].type = col->type;
660 table->colinfo[ i ].offset = 0;
661 table->colinfo[ i ].hash_table = NULL;
663 table_calc_column_offsets( table->colinfo, table->col_count);
665 r = TABLE_CreateView( db, szTables, &tv );
666 TRACE("CreateView returned %x\n", r);
673 r = tv->ops->execute( tv, 0 );
674 TRACE("tv execute returned %x\n", r);
678 rec = MSI_CreateRecord( 1 );
682 r = MSI_RecordSetStringW( rec, 1, name );
686 r = tv->ops->insert_row( tv, rec, !persistent );
687 TRACE("insert_row returned %x\n", r);
691 tv->ops->delete( tv );
694 msiobj_release( &rec->hdr );
699 /* add each column to the _Columns table */
700 r = TABLE_CreateView( db, szColumns, &tv );
704 r = tv->ops->execute( tv, 0 );
705 TRACE("tv execute returned %x\n", r);
709 rec = MSI_CreateRecord( 4 );
713 r = MSI_RecordSetStringW( rec, 1, name );
718 * need to set the table, column number, col name and type
719 * for each column we enter in the table
722 for( col = col_info; col; col = col->next )
724 r = MSI_RecordSetInteger( rec, 2, nField );
728 r = MSI_RecordSetStringW( rec, 3, col->column );
732 r = MSI_RecordSetInteger( rec, 4, col->type );
736 r = tv->ops->insert_row( tv, rec, FALSE );
748 msiobj_release( &rec->hdr );
749 /* FIXME: remove values from the string table on error */
751 tv->ops->delete( tv );
753 if (r == ERROR_SUCCESS)
755 list_add_head( &db->tables, &table->entry );
764 static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret )
769 /* first, see if the table is cached */
770 table = find_cached_table( db, name );
774 return ERROR_SUCCESS;
777 /* nonexistent tables should be interpreted as empty tables */
778 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
780 return ERROR_FUNCTION_FAILED;
782 table->row_count = 0;
784 table->nonpersistent_row_count = 0;
785 table->nonpersistent_data = NULL;
786 table->colinfo = NULL;
787 table->col_count = 0;
788 table->persistent = TRUE;
789 lstrcpyW( table->name, name );
791 /* these two tables are special - we know the column types already */
792 if( !lstrcmpW( name, szColumns ) )
794 table->colinfo = _Columns_cols;
795 table->col_count = sizeof(_Columns_cols)/sizeof(_Columns_cols[0]);
797 else if( !lstrcmpW( name, szTables ) )
799 table->colinfo = _Tables_cols;
800 table->col_count = sizeof(_Tables_cols)/sizeof(_Tables_cols[0]);
804 r = table_get_column_info( db, name, &table->colinfo, &table->col_count);
805 if (r != ERROR_SUCCESS)
807 free_table ( table );
812 r = read_table_from_storage( table, db->storage );
813 if( r != ERROR_SUCCESS )
819 list_add_head( &db->tables, &table->entry );
821 return ERROR_SUCCESS;
824 static UINT save_table( MSIDATABASE *db, const MSITABLE *t )
826 BYTE *rawdata = NULL, *p;
827 UINT rawsize, r, i, j, row_size;
829 /* Nothing to do for non-persistent tables */
831 return ERROR_SUCCESS;
833 TRACE("Saving %s\n", debugstr_w( t->name ) );
835 row_size = msi_table_get_row_size( t->colinfo, t->col_count );
837 rawsize = t->row_count * row_size;
838 rawdata = msi_alloc_zero( rawsize );
841 r = ERROR_NOT_ENOUGH_MEMORY;
846 for( i=0; i<t->col_count; i++ )
848 for( j=0; j<t->row_count; j++ )
850 UINT offset = t->colinfo[i].offset;
852 *p++ = t->data[j][offset];
853 *p++ = t->data[j][offset + 1];
854 if( 4 == bytes_per_column( &t->colinfo[i] ) )
856 *p++ = t->data[j][offset + 2];
857 *p++ = t->data[j][offset + 3];
862 TRACE("writing %d bytes\n", rawsize);
863 r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE );
871 static void table_calc_column_offsets( MSICOLUMNINFO *colinfo, DWORD count )
875 for( i=0; colinfo && (i<count); i++ )
877 assert( (i+1) == colinfo[ i ].number );
879 colinfo[i].offset = colinfo[ i - 1 ].offset
880 + bytes_per_column( &colinfo[ i - 1 ] );
882 colinfo[i].offset = 0;
883 TRACE("column %d is [%s] with type %08x ofs %d\n",
884 colinfo[i].number, debugstr_w(colinfo[i].colname),
885 colinfo[i].type, colinfo[i].offset);
889 static UINT get_defaulttablecolumns( LPCWSTR name, MSICOLUMNINFO *colinfo, UINT *sz)
891 const MSICOLUMNINFO *p;
894 TRACE("%s\n", debugstr_w(name));
896 if (!lstrcmpW( name, szTables ))
901 else if (!lstrcmpW( name, szColumns ))
907 return ERROR_FUNCTION_FAILED;
909 /* duplicate the string data so we can free it in msi_free_colinfo */
912 if (colinfo && (i < *sz) )
914 memcpy( &colinfo[i], &p[i], sizeof(MSICOLUMNINFO) );
915 colinfo[i].tablename = strdupW( p[i].tablename );
916 colinfo[i].colname = strdupW( p[i].colname );
918 if( colinfo && (i >= *sz) )
921 table_calc_column_offsets( colinfo, n );
923 return ERROR_SUCCESS;
926 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count )
930 for( i=0; i<count; i++ )
932 msi_free( (LPWSTR) colinfo[i].tablename );
933 msi_free( (LPWSTR) colinfo[i].colname );
934 msi_free( colinfo[i].hash_table );
938 static LPWSTR msi_makestring( const MSIDATABASE *db, UINT stringid)
940 return strdupW(msi_string_lookup_id( db->strings, stringid ));
943 static UINT read_table_int(BYTE *const *data, UINT row, UINT col, UINT bytes)
947 for (i = 0; i < bytes; i++)
948 ret += (data[row][col + i] << i * 8);
953 static UINT get_tablecolumns( MSIDATABASE *db,
954 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
956 UINT r, i, n=0, table_id, count, maxcount = *sz;
957 MSITABLE *table = NULL;
959 TRACE("%s\n", debugstr_w(szTableName));
961 /* first check if there is a default table with that name */
962 r = get_defaulttablecolumns( szTableName, colinfo, sz );
963 if( ( r == ERROR_SUCCESS ) && *sz )
966 r = get_table( db, szColumns, &table );
967 if( r != ERROR_SUCCESS )
969 ERR("couldn't load _Columns table\n");
970 return ERROR_FUNCTION_FAILED;
973 /* convert table and column names to IDs from the string table */
974 r = msi_string2idW( db->strings, szTableName, &table_id );
975 if( r != ERROR_SUCCESS )
977 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
981 TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
983 /* Note: _Columns table doesn't have non-persistent data */
985 /* if maxcount is non-zero, assume it's exactly right for this table */
986 memset( colinfo, 0, maxcount*sizeof(*colinfo) );
987 count = table->row_count;
988 for( i=0; i<count; i++ )
990 if( read_table_int(table->data, i, 0, db->bytes_per_strref) != table_id )
994 UINT id = read_table_int(table->data, i, _Columns_cols[2].offset, db->bytes_per_strref);
995 UINT col = read_table_int(table->data, i, _Columns_cols[1].offset, sizeof(USHORT)) - (1<<15);
997 /* check the column number is in range */
998 if (col<1 || col>maxcount)
1000 ERR("column %d out of range\n", col);
1004 /* check if this column was already set */
1005 if (colinfo[ col - 1 ].number)
1007 ERR("duplicate column %d\n", col);
1011 colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
1012 colinfo[ col - 1 ].number = col;
1013 colinfo[ col - 1 ].colname = msi_makestring( db, id );
1014 colinfo[ col - 1 ].type = read_table_int(table->data, i, _Columns_cols[3].offset, sizeof(USHORT)) - (1<<15);
1015 colinfo[ col - 1 ].offset = 0;
1016 colinfo[ col - 1 ].hash_table = NULL;
1021 TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
1023 if (colinfo && n != maxcount)
1025 ERR("missing column in table %s\n", debugstr_w(szTableName));
1026 msi_free_colinfo(colinfo, maxcount );
1027 return ERROR_FUNCTION_FAILED;
1030 table_calc_column_offsets( colinfo, n );
1033 return ERROR_SUCCESS;
1036 /* try to find the table name in the _Tables table */
1037 BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
1039 UINT r, table_id = 0, i, count;
1040 MSITABLE *table = NULL;
1042 if( !lstrcmpW( name, szTables ) )
1044 if( !lstrcmpW( name, szColumns ) )
1047 r = msi_string2idW( db->strings, name, &table_id );
1048 if( r != ERROR_SUCCESS )
1050 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1054 r = get_table( db, szTables, &table );
1055 if( r != ERROR_SUCCESS )
1057 ERR("table %s not available\n", debugstr_w(szTables));
1061 count = table->row_count;
1062 for( i=0; i<count; i++ )
1063 if( table->data[ i ][ 0 ] == table_id )
1069 count = table->nonpersistent_row_count;
1070 for( i=0; i<count; i++ )
1071 if( table->nonpersistent_data[ i ][ 0 ] == table_id )
1077 TRACE("Searched %d tables, but %d was not found\n", count, table_id );
1082 /* below is the query interface to a table */
1084 typedef struct tagMSITABLEVIEW
1089 MSICOLUMNINFO *columns;
1095 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1097 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1102 return ERROR_INVALID_PARAMETER;
1104 if( (col==0) || (col>tv->num_cols) )
1105 return ERROR_INVALID_PARAMETER;
1107 /* how many rows are there ? */
1108 if( row >= tv->table->row_count + tv->table->nonpersistent_row_count )
1109 return ERROR_NO_MORE_ITEMS;
1111 if( tv->columns[col-1].offset >= tv->row_size )
1113 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1114 ERR("%p %p\n", tv, tv->columns );
1115 return ERROR_FUNCTION_FAILED;
1118 if (row >= tv->table->row_count)
1120 row -= tv->table->row_count;
1121 data = tv->table->nonpersistent_data;
1124 data = tv->table->data;
1126 n = bytes_per_column( &tv->columns[col-1] );
1127 if (n != 2 && n != 3 && n != 4)
1129 ERR("oops! what is %d bytes per column?\n", n );
1130 return ERROR_FUNCTION_FAILED;
1133 offset = tv->columns[col-1].offset;
1134 *val = read_table_int(data, row, offset, n);
1136 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1138 return ERROR_SUCCESS;
1142 * We need a special case for streams, as we need to reference column with
1143 * the name of the stream in the same table, and the table name
1144 * which may not be available at higher levels of the query
1146 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1148 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1149 UINT ival = 0, refcol = 0, r;
1153 static const WCHAR szDot[] = { '.', 0 };
1156 if( !view->ops->fetch_int )
1157 return ERROR_INVALID_PARAMETER;
1160 * The column marked with the type stream data seems to have a single number
1161 * which references the column containing the name of the stream data
1163 * Fetch the column to reference first.
1165 r = view->ops->fetch_int( view, row, col, &ival );
1166 if( r != ERROR_SUCCESS )
1169 /* check the column value is in range */
1170 if (ival < 0 || ival > tv->num_cols || ival == col)
1172 ERR("bad column ref (%u) for stream\n", ival);
1173 return ERROR_FUNCTION_FAILED;
1176 if ( tv->columns[ival - 1].type & MSITYPE_STRING )
1178 /* now get the column with the name of the stream */
1179 r = view->ops->fetch_int( view, row, ival, &refcol );
1180 if ( r != ERROR_SUCCESS )
1183 /* lookup the string value from the string table */
1184 sval = msi_string_lookup_id( tv->db->strings, refcol );
1186 return ERROR_INVALID_PARAMETER;
1190 static const WCHAR fmt[] = { '%','d',0 };
1191 sprintfW( number, fmt, ival );
1195 len = lstrlenW( tv->name ) + 2 + lstrlenW( sval );
1196 full_name = msi_alloc( len*sizeof(WCHAR) );
1197 lstrcpyW( full_name, tv->name );
1198 lstrcatW( full_name, szDot );
1199 lstrcatW( full_name, sval );
1201 r = db_get_raw_stream( tv->db, full_name, stm );
1203 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1204 msi_free( full_name );
1209 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1215 return ERROR_INVALID_PARAMETER;
1217 if( (col==0) || (col>tv->num_cols) )
1218 return ERROR_INVALID_PARAMETER;
1220 if( row >= tv->table->row_count + tv->table->nonpersistent_row_count )
1221 return ERROR_INVALID_PARAMETER;
1223 if( tv->columns[col-1].offset >= tv->row_size )
1225 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1226 ERR("%p %p\n", tv, tv->columns );
1227 return ERROR_FUNCTION_FAILED;
1230 msi_free( tv->columns[col-1].hash_table );
1231 tv->columns[col-1].hash_table = NULL;
1233 if (row >= tv->table->row_count)
1235 row -= tv->table->row_count;
1236 data = tv->table->nonpersistent_data;
1239 data = tv->table->data;
1241 n = bytes_per_column( &tv->columns[col-1] );
1242 if ( n != 2 && n != 3 && n != 4 )
1244 ERR("oops! what is %d bytes per column?\n", n );
1245 return ERROR_FUNCTION_FAILED;
1248 offset = tv->columns[col-1].offset;
1249 for ( i = 0; i < n; i++ )
1250 data[row][offset + i] = (val >> i * 8) & 0xff;
1252 return ERROR_SUCCESS;
1255 static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
1257 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1258 UINT i, val, r = ERROR_SUCCESS;
1261 return ERROR_INVALID_PARAMETER;
1263 /* test if any of the mask bits are invalid */
1264 if ( mask >= (1<<tv->num_cols) )
1265 return ERROR_INVALID_PARAMETER;
1267 for ( i = 0; i < tv->num_cols; i++ )
1271 /* only update the fields specified in the mask */
1272 if ( !(mask&(1<<i)) )
1275 /* if row >= tv->table->row_count then it is a non-persistent row */
1276 persistent = tv->table->persistent && (row < tv->table->row_count);
1277 /* FIXME: should we allow updating keys? */
1280 if ( !MSI_RecordIsNull( rec, i + 1 ) )
1282 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1284 val = 1; /* refers to the first key column */
1286 else if ( tv->columns[i].type & MSITYPE_STRING )
1288 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1289 val = msi_addstringW( tv->db->strings, 0, sval, -1, 1,
1290 persistent ? StringPersistent : StringNonPersistent );
1292 else if ( 2 == bytes_per_column( &tv->columns[ i ] ) )
1294 val = 0x8000 + MSI_RecordGetInteger( rec, i + 1 );
1295 if ( val & 0xffff0000 )
1297 ERR("field %u value %d out of range\n", i+1, val - 0x8000 );
1298 return ERROR_FUNCTION_FAILED;
1303 INT ival = MSI_RecordGetInteger( rec, i + 1 );
1304 val = ival ^ 0x80000000;
1308 r = TABLE_set_int( tv, row, i+1, val );
1309 if ( r != ERROR_SUCCESS )
1315 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1317 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1323 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1326 return ERROR_INVALID_PARAMETER;
1328 row = msi_alloc_zero( tv->row_size );
1330 return ERROR_NOT_ENOUGH_MEMORY;
1334 row_count = &tv->table->nonpersistent_row_count;
1335 data_ptr = &tv->table->nonpersistent_data;
1336 *num = tv->table->row_count + tv->table->nonpersistent_row_count;
1340 row_count = &tv->table->row_count;
1341 data_ptr = &tv->table->data;
1342 *num = tv->table->row_count;
1345 sz = (*row_count + 1) * sizeof (BYTE*);
1347 p = msi_realloc( *data_ptr, sz );
1349 p = msi_alloc( sz );
1353 return ERROR_NOT_ENOUGH_MEMORY;
1357 (*data_ptr)[*row_count] = row;
1360 return ERROR_SUCCESS;
1363 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1365 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1367 TRACE("%p %p\n", tv, record);
1369 TRACE("There are %d columns\n", tv->num_cols );
1371 return ERROR_SUCCESS;
1374 static UINT TABLE_close( struct tagMSIVIEW *view )
1376 TRACE("%p\n", view );
1378 return ERROR_SUCCESS;
1381 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1383 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1385 TRACE("%p %p %p\n", view, rows, cols );
1388 *cols = tv->num_cols;
1392 return ERROR_INVALID_PARAMETER;
1393 *rows = tv->table->row_count + tv->table->nonpersistent_row_count;
1396 return ERROR_SUCCESS;
1399 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1400 UINT n, LPWSTR *name, UINT *type )
1402 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1404 TRACE("%p %d %p %p\n", tv, n, name, type );
1406 if( ( n == 0 ) || ( n > tv->num_cols ) )
1407 return ERROR_INVALID_PARAMETER;
1411 *name = strdupW( tv->columns[n-1].colname );
1413 return ERROR_FUNCTION_FAILED;
1416 *type = tv->columns[n-1].type;
1418 return ERROR_SUCCESS;
1421 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1423 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1427 /* check there's no null values where they're not allowed */
1428 for( i = 0; i < tv->num_cols; i++ )
1430 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1433 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1434 TRACE("skipping binary column\n");
1435 else if ( tv->columns[i].type & MSITYPE_STRING )
1439 str = MSI_RecordGetString( rec, i+1 );
1440 if (str == NULL || str[0] == 0)
1441 return ERROR_INVALID_DATA;
1447 n = MSI_RecordGetInteger( rec, i+1 );
1448 if (n == MSI_NULL_INTEGER)
1449 return ERROR_INVALID_DATA;
1453 /* check there's no duplicate keys */
1454 r = msi_table_find_row( tv, rec, &row );
1455 if (r == ERROR_SUCCESS)
1456 return ERROR_INVALID_DATA;
1458 return ERROR_SUCCESS;
1461 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, BOOL temporary )
1463 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1466 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1468 /* check that the key is unique - can we find a matching row? */
1469 r = table_validate_new( tv, rec );
1470 if( r != ERROR_SUCCESS )
1471 return ERROR_FUNCTION_FAILED;
1473 r = table_create_new_row( view, &row, temporary );
1474 TRACE("insert_row returned %08x\n", r);
1475 if( r != ERROR_SUCCESS )
1478 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1481 static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row )
1483 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1484 UINT r, num_rows, num_cols;
1487 TRACE("%p %d\n", tv, row);
1490 return ERROR_INVALID_PARAMETER;
1492 r = TABLE_get_dimensions( view, &num_rows, &num_cols );
1493 if ( r != ERROR_SUCCESS )
1496 if ( row >= num_rows )
1497 return ERROR_FUNCTION_FAILED;
1499 tv->table->row_count--;
1501 if ( row == num_rows - 1 )
1502 return ERROR_SUCCESS;
1504 dest = tv->table->data[row];
1505 src = tv->table->data[row + 1];
1506 memmove(dest, src, (num_rows - row - 1) * tv->row_size);
1507 return ERROR_SUCCESS;
1510 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1513 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1516 TRACE("%p %d %p\n", view, eModifyMode, rec );
1518 switch (eModifyMode)
1520 case MSIMODIFY_VALIDATE_NEW:
1521 r = table_validate_new( tv, rec );
1524 case MSIMODIFY_INSERT_TEMPORARY:
1525 r = table_validate_new( tv, rec );
1526 if (r != ERROR_SUCCESS)
1528 r = TABLE_insert_row( view, rec, TRUE );
1531 case MSIMODIFY_REFRESH:
1532 case MSIMODIFY_INSERT:
1533 case MSIMODIFY_UPDATE:
1534 case MSIMODIFY_ASSIGN:
1535 case MSIMODIFY_REPLACE:
1536 case MSIMODIFY_MERGE:
1537 case MSIMODIFY_DELETE:
1538 case MSIMODIFY_VALIDATE:
1539 case MSIMODIFY_VALIDATE_FIELD:
1540 case MSIMODIFY_VALIDATE_DELETE:
1541 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1542 r = ERROR_CALL_NOT_IMPLEMENTED;
1546 r = ERROR_INVALID_DATA;
1552 static UINT TABLE_delete( struct tagMSIVIEW *view )
1554 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1556 TRACE("%p\n", view );
1564 return ERROR_SUCCESS;
1567 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1568 UINT val, UINT *row, MSIITERHANDLE *handle )
1570 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1571 const MSICOLUMNHASHENTRY *entry;
1573 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1576 return ERROR_INVALID_PARAMETER;
1578 if( (col==0) || (col > tv->num_cols) )
1579 return ERROR_INVALID_PARAMETER;
1581 if( !tv->columns[col-1].hash_table )
1584 UINT num_rows = tv->table->row_count + tv->table->nonpersistent_row_count;
1585 MSICOLUMNHASHENTRY **hash_table;
1586 MSICOLUMNHASHENTRY *new_entry;
1588 if( tv->columns[col-1].offset >= tv->row_size )
1590 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1591 ERR("%p %p\n", tv, tv->columns );
1592 return ERROR_FUNCTION_FAILED;
1595 /* allocate contiguous memory for the table and its entries so we
1596 * don't have to do an expensive cleanup */
1597 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1598 num_rows * sizeof(MSICOLUMNHASHENTRY));
1600 return ERROR_OUTOFMEMORY;
1602 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1603 tv->columns[col-1].hash_table = hash_table;
1605 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1607 for (i = 0; i < num_rows; i++, new_entry++)
1611 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
1614 new_entry->next = NULL;
1615 new_entry->value = row_value;
1617 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1619 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1620 while (prev_entry->next)
1621 prev_entry = prev_entry->next;
1622 prev_entry->next = new_entry;
1625 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1630 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1632 entry = (*handle)->next;
1634 while (entry && entry->value != val)
1635 entry = entry->next;
1639 return ERROR_NO_MORE_ITEMS;
1642 return ERROR_SUCCESS;
1646 static const MSIVIEWOPS table_ops =
1655 TABLE_get_dimensions,
1656 TABLE_get_column_info,
1659 TABLE_find_matching_rows
1662 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
1667 static const WCHAR Streams[] = {'_','S','t','r','e','a','m','s',0};
1669 TRACE("%p %s %p\n", db, debugstr_w(name), view );
1671 if ( !lstrcmpW( name, Streams ) )
1672 return STREAMS_CreateView( db, view );
1674 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
1675 tv = msi_alloc_zero( sz );
1677 return ERROR_FUNCTION_FAILED;
1679 r = get_table( db, name, &tv->table );
1680 if( r != ERROR_SUCCESS )
1683 WARN("table not found\n");
1687 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
1689 /* fill the structure */
1690 tv->view.ops = &table_ops;
1692 tv->columns = tv->table->colinfo;
1693 tv->num_cols = tv->table->col_count;
1694 tv->row_size = msi_table_get_row_size( tv->table->colinfo, tv->table->col_count );
1696 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
1698 *view = (MSIVIEW*) tv;
1699 lstrcpyW( tv->name, name );
1701 return ERROR_SUCCESS;
1704 UINT MSI_CommitTables( MSIDATABASE *db )
1707 MSITABLE *table = NULL;
1711 r = msi_save_string_table( db->strings, db->storage );
1712 if( r != ERROR_SUCCESS )
1714 WARN("failed to save string table r=%08x\n",r);
1718 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
1720 r = save_table( db, table );
1721 if( r != ERROR_SUCCESS )
1723 WARN("failed to save table %s (r=%08x)\n",
1724 debugstr_w(table->name), r);
1729 /* force everything to reload next time */
1730 free_cached_tables( db );
1732 return ERROR_SUCCESS;
1735 MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table )
1740 TRACE("%p %s\n", db, debugstr_w(table));
1743 return MSICONDITION_ERROR;
1745 r = get_table( db, table, &t );
1746 if (r != ERROR_SUCCESS)
1747 return MSICONDITION_NONE;
1750 return MSICONDITION_TRUE;
1752 return MSICONDITION_FALSE;
1755 static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes)
1759 for (i = 0; i < bytes; i++)
1760 ret += (data[col + i] << i * 8);
1765 static MSIRECORD *msi_get_transform_record( const MSITABLEVIEW *tv, const string_table *st,
1766 const BYTE *rawdata, UINT bytes_per_strref )
1768 UINT i, val, ofs = 0;
1770 MSICOLUMNINFO *columns = tv->columns;
1773 mask = rawdata[0] | (rawdata[1] << 8);
1776 rec = MSI_CreateRecord( tv->num_cols );
1781 for( i=0; i<tv->num_cols; i++ )
1783 if ( (mask&1) && (i>=(mask>>8)) )
1785 /* all keys must be present */
1786 if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) )
1789 if( (columns[i].type & MSITYPE_STRING) &&
1790 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
1794 val = read_raw_int(rawdata, ofs, bytes_per_strref);
1795 sval = msi_string_lookup_id( st, val );
1796 MSI_RecordSetStringW( rec, i+1, sval );
1797 TRACE(" field %d [%s]\n", i+1, debugstr_w(sval));
1798 ofs += bytes_per_strref;
1802 UINT n = bytes_per_column( &columns[i] );
1806 val = read_raw_int(rawdata, ofs, n);
1808 MSI_RecordSetInteger( rec, i+1, val^0x8000 );
1809 TRACE(" field %d [0x%04x]\n", i+1, val );
1812 val = read_raw_int(rawdata, ofs, n);
1814 MSI_RecordSetInteger( rec, i+1, val^0x80000000 );
1815 TRACE(" field %d [0x%08x]\n", i+1, val );
1818 ERR("oops - unknown column width %d\n", n);
1827 static void dump_record( MSIRECORD *rec )
1831 n = MSI_RecordGetFieldCount( rec );
1832 for( i=1; i<=n; i++ )
1834 LPCWSTR sval = MSI_RecordGetString( rec, i );
1836 if( MSI_RecordIsNull( rec, i ) )
1837 TRACE("row -> []\n");
1838 else if( (sval = MSI_RecordGetString( rec, i )) )
1839 TRACE("row -> [%s]\n", debugstr_w(sval));
1841 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) );
1845 static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize )
1850 for( i=0; i<(rawsize/2); i++ )
1852 sval = msi_string_lookup_id( st, rawdata[i] );
1853 MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) );
1857 static UINT* msi_record_to_row( const MSITABLEVIEW *tv, MSIRECORD *rec )
1862 data = msi_alloc( tv->num_cols *sizeof (UINT) );
1863 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 if ( ( tv->columns[i].type & MSITYPE_STRING ) &&
1872 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
1874 str = MSI_RecordGetString( rec, i+1 );
1875 r = msi_string2idW( tv->db->strings, str, &data[i] );
1877 /* if there's no matching string in the string table,
1878 these keys can't match any record, so fail now. */
1879 if( ERROR_SUCCESS != r )
1887 data[i] = MSI_RecordGetInteger( rec, i+1 );
1888 if ((tv->columns[i].type&0xff) == 2)
1891 data[i] += 0x80000000;
1897 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data )
1899 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
1901 for( i=0; i<tv->num_cols; i++ )
1903 if ( ~tv->columns[i].type & MSITYPE_KEY )
1906 /* turn the transform column value into a row value */
1907 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
1908 if ( r != ERROR_SUCCESS )
1910 ERR("TABLE_fetch_int shouldn't fail here\n");
1914 /* if this key matches, move to the next column */
1917 ret = ERROR_FUNCTION_FAILED;
1921 ret = ERROR_SUCCESS;
1927 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
1929 UINT i, r = ERROR_FUNCTION_FAILED, *data;
1931 data = msi_record_to_row( tv, rec );
1934 for( i = 0; i < tv->table->row_count + tv->table->nonpersistent_row_count; i++ )
1936 r = msi_row_matches( tv, i, data );
1937 if( r == ERROR_SUCCESS )
1947 static void msi_update_table_columns( MSIDATABASE *db, LPWSTR name )
1953 table = find_cached_table( db, name );
1954 msi_free( table->colinfo );
1955 table_get_column_info( db, name, &table->colinfo, &table->col_count );
1957 size = msi_table_get_row_size( table->colinfo, table->col_count );
1958 offset = table->colinfo[table->col_count - 1].offset;
1960 for ( n = 0; n < table->row_count; n++ )
1962 table->data[n] = msi_realloc( table->data[n], size );
1963 table->data[n][offset] = (BYTE)MSI_NULL_INTEGER;
1973 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
1974 string_table *st, TRANSFORMDATA *transform,
1975 UINT bytes_per_strref )
1978 BYTE *rawdata = NULL;
1979 MSITABLEVIEW *tv = NULL;
1980 UINT r, n, sz, i, mask;
1981 MSIRECORD *rec = NULL;
1984 LPWSTR name = transform->name;
1987 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
1989 /* read the transform data */
1990 read_stream_data( stg, name, &rawdata, &rawsize );
1993 TRACE("table %s empty\n", debugstr_w(name) );
1994 return ERROR_INVALID_TABLE;
1997 /* create a table view */
1998 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
1999 if( r != ERROR_SUCCESS )
2002 r = tv->view.ops->execute( &tv->view, NULL );
2003 if( r != ERROR_SUCCESS )
2006 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2007 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
2009 /* interpret the data */
2011 for( n=0; n < rawsize; )
2013 mask = rawdata[n] | (rawdata[n+1] << 8);
2018 * if the low bit is set, columns are continuous and
2019 * the number of columns is specified in the high byte
2022 for( i=0; i<tv->num_cols; i++ )
2024 if( (tv->columns[i].type & MSITYPE_STRING) &&
2025 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2026 sz += bytes_per_strref;
2028 sz += bytes_per_column( &tv->columns[i] );
2034 * If the low bit is not set, mask is a bitmask.
2035 * Excepting for key fields, which are always present,
2036 * each bit indicates that a field is present in the transform record.
2038 * mask == 0 is a special case ... only the keys will be present
2039 * and it means that this row should be deleted.
2042 for( i=0; i<tv->num_cols; i++ )
2044 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
2046 if( (tv->columns[i].type & MSITYPE_STRING) &&
2047 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2048 sz += bytes_per_strref;
2050 sz += bytes_per_column( &tv->columns[i] );
2055 /* check we didn't run of the end of the table */
2056 if ( (n+sz) > rawsize )
2059 dump_table( st, (USHORT *)rawdata, rawsize );
2063 rec = msi_get_transform_record( tv, st, &rawdata[n], bytes_per_strref );
2070 UINT number = MSI_NULL_INTEGER;
2072 TRACE("inserting record\n");
2074 if (!lstrcmpW(name, szColumns))
2076 MSI_RecordGetStringW( rec, 1, table, &sz );
2077 number = MSI_RecordGetInteger( rec, 2 );
2080 * Native msi seems writes nul into the Number (2nd) column of
2081 * the _Columns table, only when the columns are from a new table
2083 if ( number == MSI_NULL_INTEGER )
2085 /* reset the column number on a new table */
2086 if ( lstrcmpW(coltable, table) )
2089 lstrcpyW( coltable, table );
2092 /* fix nul column numbers */
2093 MSI_RecordSetInteger( rec, 2, ++colcol );
2097 r = TABLE_insert_row( &tv->view, rec, FALSE );
2098 if (r != ERROR_SUCCESS)
2099 ERR("insert row failed\n");
2101 if ( number != MSI_NULL_INTEGER && !lstrcmpW(name, szColumns) )
2102 msi_update_table_columns( db, table );
2108 r = msi_table_find_row( tv, rec, &row );
2109 if (r != ERROR_SUCCESS)
2110 ERR("no matching row to transform\n");
2113 TRACE("modifying row [%d]:\n", row);
2114 TABLE_set_row( &tv->view, row, rec, mask );
2118 TRACE("deleting row [%d]:\n", row);
2119 TABLE_delete_row( &tv->view, row );
2122 if( TRACE_ON(msidb) ) dump_record( rec );
2123 msiobj_release( &rec->hdr );
2130 /* no need to free the table, it's associated with the database */
2131 msi_free( rawdata );
2133 tv->view.ops->delete( &tv->view );
2135 return ERROR_SUCCESS;
2139 * msi_table_apply_transform
2141 * Enumerate the table transforms in a transform storage and apply each one.
2143 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2145 struct list transforms;
2146 IEnumSTATSTG *stgenum = NULL;
2147 TRANSFORMDATA *transform;
2148 TRANSFORMDATA *tables = NULL, *columns = NULL;
2151 string_table *strings;
2152 UINT ret = ERROR_FUNCTION_FAILED;
2153 UINT bytes_per_strref;
2155 TRACE("%p %p\n", db, stg );
2157 strings = msi_load_string_table( stg, &bytes_per_strref );
2161 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2165 list_init(&transforms);
2169 MSITABLEVIEW *tv = NULL;
2173 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2174 if ( FAILED( r ) || !count )
2177 decode_streamname( stat.pwcsName, name );
2178 if ( name[0] != 0x4840 )
2181 if ( !lstrcmpW( name+1, szStringPool ) ||
2182 !lstrcmpW( name+1, szStringData ) )
2185 transform = msi_alloc_zero( sizeof(TRANSFORMDATA) );
2189 list_add_tail( &transforms, &transform->entry );
2191 transform->name = strdupW( name + 1 );
2193 if ( !lstrcmpW( transform->name, szTables ) )
2195 else if (!lstrcmpW( transform->name, szColumns ) )
2196 columns = transform;
2198 TRACE("transform contains stream %s\n", debugstr_w(name));
2200 /* load the table */
2201 r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv );
2202 if( r != ERROR_SUCCESS )
2205 r = tv->view.ops->execute( &tv->view, NULL );
2206 if( r != ERROR_SUCCESS )
2208 tv->view.ops->delete( &tv->view );
2212 tv->view.ops->delete( &tv->view );
2216 * Apply _Tables and _Columns transforms first so that
2217 * the table metadata is correct, and empty tables exist.
2219 ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref );
2220 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2223 ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref );
2224 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2227 ret = ERROR_SUCCESS;
2229 while ( !list_empty( &transforms ) )
2231 transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry );
2233 if ( lstrcmpW( transform->name, szColumns ) &&
2234 lstrcmpW( transform->name, szTables ) &&
2235 ret == ERROR_SUCCESS )
2237 ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref );
2240 list_remove( &transform->entry );
2241 msi_free( transform->name );
2242 msi_free( transform );
2245 if ( ret == ERROR_SUCCESS )
2246 append_storage_to_db( db, stg );
2250 IEnumSTATSTG_Release( stgenum );
2252 msi_destroy_stringtable( strings );
2257 void append_storage_to_db( MSIDATABASE *db, IStorage *stg )
2261 t = msi_alloc( sizeof *t );
2263 IStorage_AddRef( stg );
2264 list_add_tail( &db->transforms, &t->entry );
2267 void msi_free_transforms( MSIDATABASE *db )
2269 while( !list_empty( &db->transforms ) )
2271 MSITRANSFORM *t = LIST_ENTRY( list_head( &db->transforms ),
2272 MSITRANSFORM, entry );
2273 list_remove( &t->entry );
2274 IStorage_Release( t->stg );