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
62 MSICOLUMNHASHENTRY **hash_table;
69 BYTE **nonpersistent_data;
70 UINT nonpersistent_row_count;
72 MSICOLUMNINFO *colinfo;
79 typedef struct tagMSITRANSFORM {
84 static const WCHAR szStringData[] = {
85 '_','S','t','r','i','n','g','D','a','t','a',0 };
86 static const WCHAR szStringPool[] = {
87 '_','S','t','r','i','n','g','P','o','o','l',0 };
89 /* information for default tables */
90 static WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
91 static WCHAR szTable[] = { 'T','a','b','l','e',0 };
92 static WCHAR szName[] = { 'N','a','m','e',0 };
93 static WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
94 static WCHAR szNumber[] = { 'N','u','m','b','e','r',0 };
95 static WCHAR szType[] = { 'T','y','p','e',0 };
97 /* These tables are written into (the .hash_table part).
98 * Do not mark them const.
100 static MSICOLUMNINFO _Columns_cols[4] = {
101 { szColumns, 1, szTable, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0 },
102 { szColumns, 2, szNumber, MSITYPE_VALID | MSITYPE_KEY | 2, 2 },
103 { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4 },
104 { szColumns, 4, szType, MSITYPE_VALID | 2, 6 },
106 static MSICOLUMNINFO _Tables_cols[1] = {
107 { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 0 },
110 #define MAX_STREAM_NAME 0x1f
112 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
113 MSICOLUMNINFO **pcols, UINT *pcount );
114 static void table_calc_column_offsets( MSICOLUMNINFO *colinfo, DWORD count );
115 static UINT get_tablecolumns( MSIDATABASE *db,
116 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
117 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
120 void msi_table_set_strref(UINT bytes_per_strref)
122 _Columns_cols[0].offset = 0;
123 _Columns_cols[1].offset = bytes_per_strref;
124 _Columns_cols[2].offset = _Columns_cols[1].offset + sizeof(USHORT);
125 _Columns_cols[3].offset = _Columns_cols[2].offset + bytes_per_strref;
128 static inline UINT bytes_per_column( const MSICOLUMNINFO *col )
130 if( MSITYPE_IS_BINARY(col->type) )
132 if( col->type & MSITYPE_STRING )
133 return _Columns_cols[1].offset;
134 if( (col->type & 0xff) > 4 )
135 ERR("Invalid column size!\n");
136 return col->type & 0xff;
139 static int utf2mime(int x)
141 if( (x>='0') && (x<='9') )
143 if( (x>='A') && (x<='Z') )
145 if( (x>='a') && (x<='z') )
154 LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
156 DWORD count = MAX_STREAM_NAME;
161 count = lstrlenW( in )+2;
162 out = msi_alloc( count*sizeof(WCHAR) );
178 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
180 ch = utf2mime(ch) + 0x4800;
182 if( next && (next<0x80) )
184 next = utf2mime(next);
195 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
200 static int mime2utf(int x)
207 return x - 10 - 26 + 'a';
208 if( x == (10+26+26) )
213 BOOL decode_streamname(LPCWSTR in, LPWSTR out)
218 while ( (ch = *in++) )
220 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
223 ch = mime2utf(ch-0x4800);
227 *out++ = mime2utf(ch&0x3f);
229 ch = mime2utf((ch>>6)&0x3f);
239 void enum_stream_names( IStorage *stg )
241 IEnumSTATSTG *stgenum = NULL;
247 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
255 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
256 if( FAILED( r ) || !count )
258 decode_streamname( stat.pwcsName, name );
259 TRACE("stream %2d -> %s %s\n", n,
260 debugstr_w(stat.pwcsName), debugstr_w(name) );
264 IEnumSTATSTG_Release( stgenum );
267 UINT read_stream_data( IStorage *stg, LPCWSTR stname, BOOL table,
268 BYTE **pdata, UINT *psz )
271 UINT ret = ERROR_FUNCTION_FAILED;
278 encname = encode_streamname(table, stname);
280 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
282 r = IStorage_OpenStream(stg, encname, NULL,
283 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
287 WARN("open stream failed r = %08x - empty table?\n", r);
291 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
294 WARN("open stream failed r = %08x!\n", r);
298 if( stat.cbSize.QuadPart >> 32 )
304 sz = stat.cbSize.QuadPart;
305 data = msi_alloc( sz );
308 WARN("couldn't allocate memory r=%08x!\n", r);
309 ret = ERROR_NOT_ENOUGH_MEMORY;
313 r = IStream_Read(stm, data, sz, &count );
314 if( FAILED( r ) || ( count != sz ) )
317 WARN("read stream failed r = %08x!\n", r);
326 IStream_Release( stm );
331 UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm )
336 encname = encode_streamname(FALSE, stname);
338 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
340 r = IStorage_OpenStream(db->storage, encname, NULL,
341 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm);
344 MSITRANSFORM *transform;
346 LIST_FOR_EACH_ENTRY( transform, &db->transforms, MSITRANSFORM, entry )
348 TRACE("looking for %s in transform storage\n", debugstr_w(stname) );
349 r = IStorage_OpenStream( transform->stg, encname, NULL,
350 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm );
358 return SUCCEEDED(r) ? ERROR_SUCCESS : ERROR_FUNCTION_FAILED;
361 UINT read_raw_stream_data( MSIDATABASE *db, LPCWSTR stname,
362 USHORT **pdata, UINT *psz )
365 UINT ret = ERROR_FUNCTION_FAILED;
371 r = db_get_raw_stream( db, stname, &stm );
372 if( r != ERROR_SUCCESS)
374 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
377 WARN("open stream failed r = %08x!\n", r);
381 if( stat.cbSize.QuadPart >> 32 )
387 sz = stat.cbSize.QuadPart;
388 data = msi_alloc( sz );
391 WARN("couldn't allocate memory r=%08x!\n", r);
392 ret = ERROR_NOT_ENOUGH_MEMORY;
396 r = IStream_Read(stm, data, sz, &count );
397 if( FAILED( r ) || ( count != sz ) )
400 WARN("read stream failed r = %08x!\n", r);
409 IStream_Release( stm );
414 UINT write_stream_data( IStorage *stg, LPCWSTR stname,
415 LPCVOID data, UINT sz, BOOL bTable )
418 UINT ret = ERROR_FUNCTION_FAILED;
425 encname = encode_streamname(bTable, stname );
426 r = IStorage_OpenStream( stg, encname, NULL,
427 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
430 r = IStorage_CreateStream( stg, encname,
431 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
436 WARN("open stream failed r = %08x\n", r);
441 r = IStream_SetSize( stm, size );
444 WARN("Failed to SetSize\n");
449 r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
452 WARN("Failed to Seek\n");
458 r = IStream_Write(stm, data, sz, &count );
459 if( FAILED( r ) || ( count != sz ) )
461 WARN("Failed to Write\n");
469 IStream_Release( stm );
474 static void free_table( MSITABLE *table )
477 for( i=0; i<table->row_count; i++ )
478 msi_free( table->data[i] );
479 msi_free( table->data );
480 for( i=0; i<table->nonpersistent_row_count; i++ )
481 msi_free( table->nonpersistent_data[i] );
482 msi_free( table->nonpersistent_data );
483 if( (table->colinfo != _Tables_cols) &&
484 (table->colinfo != _Columns_cols) )
486 msi_free_colinfo( table->colinfo, table->col_count );
487 msi_free( table->colinfo );
492 static UINT msi_table_get_row_size( const MSICOLUMNINFO *cols, UINT count )
494 const MSICOLUMNINFO *last_col = &cols[count-1];
497 return last_col->offset + bytes_per_column( last_col );
500 /* add this table to the list of cached tables in the database */
501 static UINT read_table_from_storage( MSITABLE *t, IStorage *stg )
503 BYTE *rawdata = NULL;
504 UINT rawsize = 0, i, j, row_size = 0;
506 TRACE("%s\n",debugstr_w(t->name));
508 row_size = msi_table_get_row_size( t->colinfo, t->col_count );
510 /* if we can't read the table, just assume that it's empty */
511 read_stream_data( stg, t->name, TRUE, &rawdata, &rawsize );
513 return ERROR_SUCCESS;
515 TRACE("Read %d bytes\n", rawsize );
517 if( rawsize % row_size )
519 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
523 t->row_count = rawsize / row_size;
524 t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
528 /* transpose all the data */
529 TRACE("Transposing data from %d rows\n", t->row_count );
530 for( i=0; i<t->row_count; i++ )
532 t->data[i] = msi_alloc( row_size );
536 for( j=0; j<t->col_count; j++ )
538 UINT ofs = t->colinfo[j].offset;
539 UINT n = bytes_per_column( &t->colinfo[j] );
542 if ( n != 2 && n != 3 && n != 4 )
544 ERR("oops - unknown column width %d\n", n);
548 for ( k = 0; k < n; k++ )
549 t->data[i][ofs + k] = rawdata[ofs*t->row_count + i * n + k];
554 return ERROR_SUCCESS;
557 return ERROR_FUNCTION_FAILED;
560 void free_cached_tables( MSIDATABASE *db )
562 while( !list_empty( &db->tables ) )
564 MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
566 list_remove( &t->entry );
571 static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name )
575 LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
576 if( !lstrcmpW( name, t->name ) )
582 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
584 UINT r, column_count = 0;
585 MSICOLUMNINFO *columns;
587 /* get the number of columns in this table */
589 r = get_tablecolumns( db, name, NULL, &column_count );
590 if( r != ERROR_SUCCESS )
593 /* if there's no columns, there's no table */
594 if( column_count == 0 )
595 return ERROR_INVALID_PARAMETER;
597 TRACE("Table %s found\n", debugstr_w(name) );
599 columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO) );
601 return ERROR_FUNCTION_FAILED;
603 r = get_tablecolumns( db, name, columns, &column_count );
604 if( r != ERROR_SUCCESS )
607 return ERROR_FUNCTION_FAILED;
611 *pcount = column_count;
616 UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info,
617 BOOL persistent, MSITABLE **table_ret)
621 MSIRECORD *rec = NULL;
626 /* only add tables that don't exist already */
627 if( TABLE_Exists(db, name ) )
629 WARN("table %s exists\n", debugstr_w(name));
630 return ERROR_BAD_QUERY_SYNTAX;
633 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
635 return ERROR_FUNCTION_FAILED;
637 table->ref_count = 1;
638 table->row_count = 0;
640 table->nonpersistent_row_count = 0;
641 table->nonpersistent_data = NULL;
642 table->colinfo = NULL;
643 table->col_count = 0;
644 table->persistent = persistent;
645 lstrcpyW( table->name, name );
647 for( col = col_info; col; col = col->next )
650 table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) );
654 return ERROR_FUNCTION_FAILED;
657 for( i = 0, col = col_info; col; i++, col = col->next )
659 table->colinfo[ i ].tablename = strdupW( col->table );
660 table->colinfo[ i ].number = i + 1;
661 table->colinfo[ i ].colname = strdupW( col->column );
662 table->colinfo[ i ].type = col->type;
663 table->colinfo[ i ].offset = 0;
664 table->colinfo[ i ].ref_count = 0;
665 table->colinfo[ i ].hash_table = NULL;
667 table_calc_column_offsets( table->colinfo, table->col_count);
669 r = TABLE_CreateView( db, szTables, &tv );
670 TRACE("CreateView returned %x\n", r);
677 r = tv->ops->execute( tv, 0 );
678 TRACE("tv execute returned %x\n", r);
682 rec = MSI_CreateRecord( 1 );
686 r = MSI_RecordSetStringW( rec, 1, name );
690 r = tv->ops->insert_row( tv, rec, !persistent );
691 TRACE("insert_row returned %x\n", r);
695 tv->ops->delete( tv );
698 msiobj_release( &rec->hdr );
703 /* add each column to the _Columns table */
704 r = TABLE_CreateView( db, szColumns, &tv );
708 r = tv->ops->execute( tv, 0 );
709 TRACE("tv execute returned %x\n", r);
713 rec = MSI_CreateRecord( 4 );
717 r = MSI_RecordSetStringW( rec, 1, name );
722 * need to set the table, column number, col name and type
723 * for each column we enter in the table
726 for( col = col_info; col; col = col->next )
728 r = MSI_RecordSetInteger( rec, 2, nField );
732 r = MSI_RecordSetStringW( rec, 3, col->column );
736 r = MSI_RecordSetInteger( rec, 4, col->type );
740 r = tv->ops->insert_row( tv, rec, FALSE );
752 msiobj_release( &rec->hdr );
753 /* FIXME: remove values from the string table on error */
755 tv->ops->delete( tv );
757 if (r == ERROR_SUCCESS)
759 list_add_head( &db->tables, &table->entry );
768 static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret )
773 /* first, see if the table is cached */
774 table = find_cached_table( db, name );
778 return ERROR_SUCCESS;
781 /* nonexistent tables should be interpreted as empty tables */
782 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
784 return ERROR_FUNCTION_FAILED;
786 table->row_count = 0;
788 table->nonpersistent_row_count = 0;
789 table->nonpersistent_data = NULL;
790 table->colinfo = NULL;
791 table->col_count = 0;
792 table->persistent = TRUE;
793 lstrcpyW( table->name, name );
795 /* these two tables are special - we know the column types already */
796 if( !lstrcmpW( name, szColumns ) )
798 table->colinfo = _Columns_cols;
799 table->col_count = sizeof(_Columns_cols)/sizeof(_Columns_cols[0]);
801 else if( !lstrcmpW( name, szTables ) )
803 table->colinfo = _Tables_cols;
804 table->col_count = sizeof(_Tables_cols)/sizeof(_Tables_cols[0]);
808 r = table_get_column_info( db, name, &table->colinfo, &table->col_count);
809 if (r != ERROR_SUCCESS)
811 free_table ( table );
816 r = read_table_from_storage( table, db->storage );
817 if( r != ERROR_SUCCESS )
823 list_add_head( &db->tables, &table->entry );
825 return ERROR_SUCCESS;
828 static UINT save_table( MSIDATABASE *db, const MSITABLE *t )
830 BYTE *rawdata = NULL, *p;
831 UINT rawsize, r, i, j, row_size;
833 /* Nothing to do for non-persistent tables */
835 return ERROR_SUCCESS;
837 TRACE("Saving %s\n", debugstr_w( t->name ) );
839 row_size = msi_table_get_row_size( t->colinfo, t->col_count );
841 rawsize = t->row_count * row_size;
842 rawdata = msi_alloc_zero( rawsize );
845 r = ERROR_NOT_ENOUGH_MEMORY;
850 for( i=0; i<t->col_count; i++ )
852 for( j=0; j<t->row_count; j++ )
854 UINT offset = t->colinfo[i].offset;
856 *p++ = t->data[j][offset];
857 *p++ = t->data[j][offset + 1];
858 if( 4 == bytes_per_column( &t->colinfo[i] ) )
860 *p++ = t->data[j][offset + 2];
861 *p++ = t->data[j][offset + 3];
866 TRACE("writing %d bytes\n", rawsize);
867 r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE );
875 static void table_calc_column_offsets( MSICOLUMNINFO *colinfo, DWORD count )
879 for( i=0; colinfo && (i<count); i++ )
881 assert( (i+1) == colinfo[ i ].number );
883 colinfo[i].offset = colinfo[ i - 1 ].offset
884 + bytes_per_column( &colinfo[ i - 1 ] );
886 colinfo[i].offset = 0;
887 TRACE("column %d is [%s] with type %08x ofs %d\n",
888 colinfo[i].number, debugstr_w(colinfo[i].colname),
889 colinfo[i].type, colinfo[i].offset);
893 static UINT get_defaulttablecolumns( LPCWSTR name, MSICOLUMNINFO *colinfo, UINT *sz)
895 const MSICOLUMNINFO *p;
898 TRACE("%s\n", debugstr_w(name));
900 if (!lstrcmpW( name, szTables ))
905 else if (!lstrcmpW( name, szColumns ))
911 return ERROR_FUNCTION_FAILED;
913 /* duplicate the string data so we can free it in msi_free_colinfo */
916 if (colinfo && (i < *sz) )
918 memcpy( &colinfo[i], &p[i], sizeof(MSICOLUMNINFO) );
919 colinfo[i].tablename = strdupW( p[i].tablename );
920 colinfo[i].colname = strdupW( p[i].colname );
922 if( colinfo && (i >= *sz) )
925 table_calc_column_offsets( colinfo, n );
927 return ERROR_SUCCESS;
930 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count )
934 for( i=0; i<count; i++ )
936 msi_free( colinfo[i].tablename );
937 msi_free( colinfo[i].colname );
938 msi_free( colinfo[i].hash_table );
942 static LPWSTR msi_makestring( const MSIDATABASE *db, UINT stringid)
944 return strdupW(msi_string_lookup_id( db->strings, stringid ));
947 static UINT read_table_int(BYTE *const *data, UINT row, UINT col, UINT bytes)
951 for (i = 0; i < bytes; i++)
952 ret += (data[row][col + i] << i * 8);
957 static UINT get_tablecolumns( MSIDATABASE *db,
958 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
960 UINT r, i, n=0, table_id, count, maxcount = *sz;
961 MSITABLE *table = NULL;
963 TRACE("%s\n", debugstr_w(szTableName));
965 /* first check if there is a default table with that name */
966 r = get_defaulttablecolumns( szTableName, colinfo, sz );
967 if( ( r == ERROR_SUCCESS ) && *sz )
970 r = get_table( db, szColumns, &table );
971 if( r != ERROR_SUCCESS )
973 ERR("couldn't load _Columns table\n");
974 return ERROR_FUNCTION_FAILED;
977 /* convert table and column names to IDs from the string table */
978 r = msi_string2idW( db->strings, szTableName, &table_id );
979 if( r != ERROR_SUCCESS )
981 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
985 TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
987 /* Note: _Columns table doesn't have non-persistent data */
989 /* if maxcount is non-zero, assume it's exactly right for this table */
990 memset( colinfo, 0, maxcount*sizeof(*colinfo) );
991 count = table->row_count;
992 for( i=0; i<count; i++ )
994 if( read_table_int(table->data, i, 0, db->bytes_per_strref) != table_id )
998 UINT id = read_table_int(table->data, i, _Columns_cols[2].offset, db->bytes_per_strref);
999 UINT col = read_table_int(table->data, i, _Columns_cols[1].offset, sizeof(USHORT)) - (1<<15);
1001 /* check the column number is in range */
1002 if (col<1 || col>maxcount)
1004 ERR("column %d out of range\n", col);
1008 /* check if this column was already set */
1009 if (colinfo[ col - 1 ].number)
1011 ERR("duplicate column %d\n", col);
1015 colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
1016 colinfo[ col - 1 ].number = col;
1017 colinfo[ col - 1 ].colname = msi_makestring( db, id );
1018 colinfo[ col - 1 ].type = read_table_int(table->data, i, _Columns_cols[3].offset, sizeof(USHORT)) - (1<<15);
1019 colinfo[ col - 1 ].offset = 0;
1020 colinfo[ col - 1 ].ref_count = 0;
1021 colinfo[ col - 1 ].hash_table = NULL;
1026 TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
1028 if (colinfo && n != maxcount)
1030 ERR("missing column in table %s\n", debugstr_w(szTableName));
1031 msi_free_colinfo(colinfo, maxcount );
1032 return ERROR_FUNCTION_FAILED;
1035 table_calc_column_offsets( colinfo, n );
1038 return ERROR_SUCCESS;
1041 static void msi_update_table_columns( MSIDATABASE *db, LPCWSTR name )
1044 UINT size, offset, old_count;
1047 table = find_cached_table( db, name );
1048 old_count = table->col_count;
1049 msi_free( table->colinfo );
1050 table_get_column_info( db, name, &table->colinfo, &table->col_count );
1052 size = msi_table_get_row_size( table->colinfo, table->col_count );
1053 offset = table->colinfo[table->col_count - 1].offset;
1055 for ( n = 0; n < table->row_count; n++ )
1057 table->data[n] = msi_realloc( table->data[n], size );
1058 if (old_count < table->col_count)
1059 memset( &table->data[n][offset], 0, size - offset );
1063 /* try to find the table name in the _Tables table */
1064 BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
1066 UINT r, table_id = 0, i, count;
1067 MSITABLE *table = NULL;
1069 if( !lstrcmpW( name, szTables ) )
1071 if( !lstrcmpW( name, szColumns ) )
1074 r = msi_string2idW( db->strings, name, &table_id );
1075 if( r != ERROR_SUCCESS )
1077 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1081 r = get_table( db, szTables, &table );
1082 if( r != ERROR_SUCCESS )
1084 ERR("table %s not available\n", debugstr_w(szTables));
1088 count = table->row_count;
1089 for( i=0; i<count; i++ )
1090 if( table->data[ i ][ 0 ] == table_id )
1096 count = table->nonpersistent_row_count;
1097 for( i=0; i<count; i++ )
1098 if( table->nonpersistent_data[ i ][ 0 ] == table_id )
1104 TRACE("Searched %d tables, but %d was not found\n", count, table_id );
1109 /* below is the query interface to a table */
1111 typedef struct tagMSITABLEVIEW
1116 MSICOLUMNINFO *columns;
1122 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1124 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1129 return ERROR_INVALID_PARAMETER;
1131 if( (col==0) || (col>tv->num_cols) )
1132 return ERROR_INVALID_PARAMETER;
1134 /* how many rows are there ? */
1135 if( row >= tv->table->row_count + tv->table->nonpersistent_row_count )
1136 return ERROR_NO_MORE_ITEMS;
1138 if( tv->columns[col-1].offset >= tv->row_size )
1140 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1141 ERR("%p %p\n", tv, tv->columns );
1142 return ERROR_FUNCTION_FAILED;
1145 if (row >= tv->table->row_count)
1147 row -= tv->table->row_count;
1148 data = tv->table->nonpersistent_data;
1151 data = tv->table->data;
1153 n = bytes_per_column( &tv->columns[col-1] );
1154 if (n != 2 && n != 3 && n != 4)
1156 ERR("oops! what is %d bytes per column?\n", n );
1157 return ERROR_FUNCTION_FAILED;
1160 offset = tv->columns[col-1].offset;
1161 *val = read_table_int(data, row, offset, n);
1163 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1165 return ERROR_SUCCESS;
1169 * We need a special case for streams, as we need to reference column with
1170 * the name of the stream in the same table, and the table name
1171 * which may not be available at higher levels of the query
1173 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1175 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1176 UINT ival = 0, refcol = 0, r;
1180 static const WCHAR szDot[] = { '.', 0 };
1183 if( !view->ops->fetch_int )
1184 return ERROR_INVALID_PARAMETER;
1187 * The column marked with the type stream data seems to have a single number
1188 * which references the column containing the name of the stream data
1190 * Fetch the column to reference first.
1192 r = view->ops->fetch_int( view, row, col, &ival );
1193 if( r != ERROR_SUCCESS )
1196 /* check the column value is in range */
1197 if (ival < 0 || ival > tv->num_cols || ival == col)
1199 ERR("bad column ref (%u) for stream\n", ival);
1200 return ERROR_FUNCTION_FAILED;
1203 if ( tv->columns[ival - 1].type & MSITYPE_STRING )
1205 /* now get the column with the name of the stream */
1206 r = view->ops->fetch_int( view, row, ival, &refcol );
1207 if ( r != ERROR_SUCCESS )
1210 /* lookup the string value from the string table */
1211 sval = msi_string_lookup_id( tv->db->strings, refcol );
1213 return ERROR_INVALID_PARAMETER;
1217 static const WCHAR fmt[] = { '%','d',0 };
1218 sprintfW( number, fmt, ival );
1222 len = lstrlenW( tv->name ) + 2 + lstrlenW( sval );
1223 full_name = msi_alloc( len*sizeof(WCHAR) );
1224 lstrcpyW( full_name, tv->name );
1225 lstrcatW( full_name, szDot );
1226 lstrcatW( full_name, sval );
1228 r = db_get_raw_stream( tv->db, full_name, stm );
1230 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1231 msi_free( full_name );
1236 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1242 return ERROR_INVALID_PARAMETER;
1244 if( (col==0) || (col>tv->num_cols) )
1245 return ERROR_INVALID_PARAMETER;
1247 if( row >= tv->table->row_count + tv->table->nonpersistent_row_count )
1248 return ERROR_INVALID_PARAMETER;
1250 if( tv->columns[col-1].offset >= tv->row_size )
1252 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1253 ERR("%p %p\n", tv, tv->columns );
1254 return ERROR_FUNCTION_FAILED;
1257 msi_free( tv->columns[col-1].hash_table );
1258 tv->columns[col-1].hash_table = NULL;
1260 if (row >= tv->table->row_count)
1262 row -= tv->table->row_count;
1263 data = tv->table->nonpersistent_data;
1266 data = tv->table->data;
1268 n = bytes_per_column( &tv->columns[col-1] );
1269 if ( n != 2 && n != 3 && n != 4 )
1271 ERR("oops! what is %d bytes per column?\n", n );
1272 return ERROR_FUNCTION_FAILED;
1275 offset = tv->columns[col-1].offset;
1276 for ( i = 0; i < n; i++ )
1277 data[row][offset + i] = (val >> i * 8) & 0xff;
1279 return ERROR_SUCCESS;
1282 static UINT TABLE_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
1284 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1287 return ERROR_INVALID_PARAMETER;
1289 return msi_view_get_row(tv->db, view, row, rec);
1292 static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
1294 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1295 UINT i, val, r = ERROR_SUCCESS;
1298 return ERROR_INVALID_PARAMETER;
1300 /* test if any of the mask bits are invalid */
1301 if ( mask >= (1<<tv->num_cols) )
1302 return ERROR_INVALID_PARAMETER;
1304 for ( i = 0; i < tv->num_cols; i++ )
1308 /* only update the fields specified in the mask */
1309 if ( !(mask&(1<<i)) )
1312 /* if row >= tv->table->row_count then it is a non-persistent row */
1313 persistent = tv->table->persistent && (row < tv->table->row_count);
1314 /* FIXME: should we allow updating keys? */
1317 if ( !MSI_RecordIsNull( rec, i + 1 ) )
1319 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1321 val = 1; /* refers to the first key column */
1323 else if ( tv->columns[i].type & MSITYPE_STRING )
1325 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1326 val = msi_addstringW( tv->db->strings, 0, sval, -1, 1,
1327 persistent ? StringPersistent : StringNonPersistent );
1329 else if ( 2 == bytes_per_column( &tv->columns[ i ] ) )
1331 val = 0x8000 + MSI_RecordGetInteger( rec, i + 1 );
1332 if ( val & 0xffff0000 )
1334 ERR("field %u value %d out of range\n", i+1, val - 0x8000 );
1335 return ERROR_FUNCTION_FAILED;
1340 INT ival = MSI_RecordGetInteger( rec, i + 1 );
1341 val = ival ^ 0x80000000;
1345 r = TABLE_set_int( tv, row, i+1, val );
1346 if ( r != ERROR_SUCCESS )
1352 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1354 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1360 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1363 return ERROR_INVALID_PARAMETER;
1365 row = msi_alloc_zero( tv->row_size );
1367 return ERROR_NOT_ENOUGH_MEMORY;
1371 row_count = &tv->table->nonpersistent_row_count;
1372 data_ptr = &tv->table->nonpersistent_data;
1373 *num = tv->table->row_count + tv->table->nonpersistent_row_count;
1377 row_count = &tv->table->row_count;
1378 data_ptr = &tv->table->data;
1379 *num = tv->table->row_count;
1382 sz = (*row_count + 1) * sizeof (BYTE*);
1384 p = msi_realloc( *data_ptr, sz );
1386 p = msi_alloc( sz );
1390 return ERROR_NOT_ENOUGH_MEMORY;
1394 (*data_ptr)[*row_count] = row;
1397 return ERROR_SUCCESS;
1400 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1402 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1404 TRACE("%p %p\n", tv, record);
1406 TRACE("There are %d columns\n", tv->num_cols );
1408 return ERROR_SUCCESS;
1411 static UINT TABLE_close( struct tagMSIVIEW *view )
1413 TRACE("%p\n", view );
1415 return ERROR_SUCCESS;
1418 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1420 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1422 TRACE("%p %p %p\n", view, rows, cols );
1425 *cols = tv->num_cols;
1429 return ERROR_INVALID_PARAMETER;
1430 *rows = tv->table->row_count + tv->table->nonpersistent_row_count;
1433 return ERROR_SUCCESS;
1436 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1437 UINT n, LPWSTR *name, UINT *type )
1439 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1441 TRACE("%p %d %p %p\n", tv, n, name, type );
1443 if( ( n == 0 ) || ( n > tv->num_cols ) )
1444 return ERROR_INVALID_PARAMETER;
1448 *name = strdupW( tv->columns[n-1].colname );
1450 return ERROR_FUNCTION_FAILED;
1453 *type = tv->columns[n-1].type;
1455 return ERROR_SUCCESS;
1458 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1460 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1464 /* check there's no null values where they're not allowed */
1465 for( i = 0; i < tv->num_cols; i++ )
1467 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1470 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1471 TRACE("skipping binary column\n");
1472 else if ( tv->columns[i].type & MSITYPE_STRING )
1476 str = MSI_RecordGetString( rec, i+1 );
1477 if (str == NULL || str[0] == 0)
1478 return ERROR_INVALID_DATA;
1484 n = MSI_RecordGetInteger( rec, i+1 );
1485 if (n == MSI_NULL_INTEGER)
1486 return ERROR_INVALID_DATA;
1490 /* check there's no duplicate keys */
1491 r = msi_table_find_row( tv, rec, &row );
1492 if (r == ERROR_SUCCESS)
1493 return ERROR_FUNCTION_FAILED;
1495 return ERROR_SUCCESS;
1498 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, BOOL temporary )
1500 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1503 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1505 /* check that the key is unique - can we find a matching row? */
1506 r = table_validate_new( tv, rec );
1507 if( r != ERROR_SUCCESS )
1508 return ERROR_FUNCTION_FAILED;
1510 r = table_create_new_row( view, &row, temporary );
1511 TRACE("insert_row returned %08x\n", r);
1512 if( r != ERROR_SUCCESS )
1515 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1518 static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row )
1520 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1521 UINT r, num_rows, num_cols;
1524 TRACE("%p %d\n", tv, row);
1527 return ERROR_INVALID_PARAMETER;
1529 r = TABLE_get_dimensions( view, &num_rows, &num_cols );
1530 if ( r != ERROR_SUCCESS )
1533 if ( row >= num_rows )
1534 return ERROR_FUNCTION_FAILED;
1536 tv->table->row_count--;
1538 if ( row == num_rows - 1 )
1539 return ERROR_SUCCESS;
1541 dest = tv->table->data[row];
1542 src = tv->table->data[row + 1];
1543 memmove(dest, src, (num_rows - row - 1) * tv->row_size);
1544 return ERROR_SUCCESS;
1547 static UINT msi_table_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
1549 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1552 /* FIXME: MsiViewFetch should set rec index 0 to some ID that
1553 * sets the fetched record apart from other records
1557 return ERROR_INVALID_PARAMETER;
1559 r = msi_table_find_row(tv, rec, &new_row);
1560 if (r != ERROR_SUCCESS)
1562 ERR("can't find row to modify\n");
1563 return ERROR_FUNCTION_FAILED;
1566 /* the row cannot be changed */
1567 if (row != new_row + 1)
1568 return ERROR_FUNCTION_FAILED;
1570 return TABLE_set_row(view, new_row, rec, (1 << tv->num_cols) - 1);
1573 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1574 MSIRECORD *rec, UINT row)
1576 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1579 TRACE("%p %d %p\n", view, eModifyMode, rec );
1581 switch (eModifyMode)
1583 case MSIMODIFY_VALIDATE_NEW:
1584 r = table_validate_new( tv, rec );
1587 case MSIMODIFY_INSERT_TEMPORARY:
1588 r = table_validate_new( tv, rec );
1589 if (r != ERROR_SUCCESS)
1591 r = TABLE_insert_row( view, rec, TRUE );
1594 case MSIMODIFY_UPDATE:
1595 r = msi_table_update( view, rec, row );
1598 case MSIMODIFY_REFRESH:
1599 case MSIMODIFY_INSERT:
1600 case MSIMODIFY_ASSIGN:
1601 case MSIMODIFY_REPLACE:
1602 case MSIMODIFY_MERGE:
1603 case MSIMODIFY_DELETE:
1604 case MSIMODIFY_VALIDATE:
1605 case MSIMODIFY_VALIDATE_FIELD:
1606 case MSIMODIFY_VALIDATE_DELETE:
1607 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1608 r = ERROR_CALL_NOT_IMPLEMENTED;
1612 r = ERROR_INVALID_DATA;
1618 static UINT TABLE_delete( struct tagMSIVIEW *view )
1620 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1622 TRACE("%p\n", view );
1630 return ERROR_SUCCESS;
1633 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1634 UINT val, UINT *row, MSIITERHANDLE *handle )
1636 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1637 const MSICOLUMNHASHENTRY *entry;
1639 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1642 return ERROR_INVALID_PARAMETER;
1644 if( (col==0) || (col > tv->num_cols) )
1645 return ERROR_INVALID_PARAMETER;
1647 if( !tv->columns[col-1].hash_table )
1650 UINT num_rows = tv->table->row_count + tv->table->nonpersistent_row_count;
1651 MSICOLUMNHASHENTRY **hash_table;
1652 MSICOLUMNHASHENTRY *new_entry;
1654 if( tv->columns[col-1].offset >= tv->row_size )
1656 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1657 ERR("%p %p\n", tv, tv->columns );
1658 return ERROR_FUNCTION_FAILED;
1661 /* allocate contiguous memory for the table and its entries so we
1662 * don't have to do an expensive cleanup */
1663 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1664 num_rows * sizeof(MSICOLUMNHASHENTRY));
1666 return ERROR_OUTOFMEMORY;
1668 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1669 tv->columns[col-1].hash_table = hash_table;
1671 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1673 for (i = 0; i < num_rows; i++, new_entry++)
1677 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
1680 new_entry->next = NULL;
1681 new_entry->value = row_value;
1683 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1685 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1686 while (prev_entry->next)
1687 prev_entry = prev_entry->next;
1688 prev_entry->next = new_entry;
1691 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1696 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1698 entry = (*handle)->next;
1700 while (entry && entry->value != val)
1701 entry = entry->next;
1705 return ERROR_NO_MORE_ITEMS;
1708 return ERROR_SUCCESS;
1711 static UINT TABLE_add_ref(struct tagMSIVIEW *view)
1713 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1716 TRACE("%p %d\n", view, tv->table->ref_count);
1718 for (i = 0; i < tv->table->col_count; i++)
1720 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
1721 InterlockedIncrement(&tv->table->colinfo[i].ref_count);
1724 return InterlockedIncrement(&tv->table->ref_count);
1727 static UINT TABLE_remove_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number)
1729 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1730 MSIRECORD *rec = NULL;
1731 MSIVIEW *columns = NULL;
1734 rec = MSI_CreateRecord(2);
1736 return ERROR_OUTOFMEMORY;
1738 MSI_RecordSetStringW(rec, 1, table);
1739 MSI_RecordSetInteger(rec, 2, number);
1741 r = TABLE_CreateView(tv->db, szColumns, &columns);
1742 if (r != ERROR_SUCCESS)
1745 r = msi_table_find_row((MSITABLEVIEW *)columns, rec, &row);
1746 if (r != ERROR_SUCCESS)
1749 r = TABLE_delete_row(columns, row);
1750 if (r != ERROR_SUCCESS)
1753 msi_update_table_columns(tv->db, table);
1756 msiobj_release(&rec->hdr);
1757 if (columns) columns->ops->delete(columns);
1761 static UINT TABLE_release(struct tagMSIVIEW *view)
1763 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1764 INT ref = tv->table->ref_count;
1768 TRACE("%p %d\n", view, ref);
1770 for (i = 0; i < tv->table->col_count; i++)
1772 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
1774 ref = InterlockedDecrement(&tv->table->colinfo[i].ref_count);
1777 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
1778 tv->table->colinfo[i].number);
1779 if (r != ERROR_SUCCESS)
1785 ref = InterlockedDecrement(&tv->table->ref_count);
1788 if (!tv->table->row_count)
1790 list_remove(&tv->table->entry);
1791 free_table(tv->table);
1799 static UINT TABLE_add_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number,
1800 LPCWSTR column, UINT type, BOOL hold)
1802 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1807 rec = MSI_CreateRecord(4);
1809 return ERROR_OUTOFMEMORY;
1811 MSI_RecordSetStringW(rec, 1, table);
1812 MSI_RecordSetInteger(rec, 2, number);
1813 MSI_RecordSetStringW(rec, 3, column);
1814 MSI_RecordSetInteger(rec, 4, type);
1816 r = TABLE_insert_row(&tv->view, rec, FALSE);
1817 if (r != ERROR_SUCCESS)
1820 msi_update_table_columns(tv->db, table);
1825 msitable = find_cached_table(tv->db, table);
1826 for (i = 0; i < msitable->col_count; i++)
1828 if (!lstrcmpW(msitable->colinfo[i].colname, column))
1830 InterlockedIncrement(&msitable->colinfo[i].ref_count);
1836 msiobj_release(&rec->hdr);
1840 static const MSIVIEWOPS table_ops =
1850 TABLE_get_dimensions,
1851 TABLE_get_column_info,
1854 TABLE_find_matching_rows,
1858 TABLE_remove_column,
1861 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
1866 static const WCHAR Streams[] = {'_','S','t','r','e','a','m','s',0};
1868 TRACE("%p %s %p\n", db, debugstr_w(name), view );
1870 if ( !lstrcmpW( name, Streams ) )
1871 return STREAMS_CreateView( db, view );
1873 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
1874 tv = msi_alloc_zero( sz );
1876 return ERROR_FUNCTION_FAILED;
1878 r = get_table( db, name, &tv->table );
1879 if( r != ERROR_SUCCESS )
1882 WARN("table not found\n");
1886 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
1888 /* fill the structure */
1889 tv->view.ops = &table_ops;
1891 tv->columns = tv->table->colinfo;
1892 tv->num_cols = tv->table->col_count;
1893 tv->row_size = msi_table_get_row_size( tv->table->colinfo, tv->table->col_count );
1895 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
1897 *view = (MSIVIEW*) tv;
1898 lstrcpyW( tv->name, name );
1900 return ERROR_SUCCESS;
1903 UINT MSI_CommitTables( MSIDATABASE *db )
1906 MSITABLE *table = NULL;
1910 r = msi_save_string_table( db->strings, db->storage );
1911 if( r != ERROR_SUCCESS )
1913 WARN("failed to save string table r=%08x\n",r);
1917 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
1919 r = save_table( db, table );
1920 if( r != ERROR_SUCCESS )
1922 WARN("failed to save table %s (r=%08x)\n",
1923 debugstr_w(table->name), r);
1928 /* force everything to reload next time */
1929 free_cached_tables( db );
1931 return ERROR_SUCCESS;
1934 MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table )
1939 TRACE("%p %s\n", db, debugstr_w(table));
1942 return MSICONDITION_ERROR;
1944 r = get_table( db, table, &t );
1945 if (r != ERROR_SUCCESS)
1946 return MSICONDITION_NONE;
1949 return MSICONDITION_TRUE;
1951 return MSICONDITION_FALSE;
1954 static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes)
1958 for (i = 0; i < bytes; i++)
1959 ret += (data[col + i] << i * 8);
1964 static MSIRECORD *msi_get_transform_record( const MSITABLEVIEW *tv, const string_table *st,
1965 const BYTE *rawdata, UINT bytes_per_strref )
1967 UINT i, val, ofs = 0;
1969 MSICOLUMNINFO *columns = tv->columns;
1972 mask = rawdata[0] | (rawdata[1] << 8);
1975 rec = MSI_CreateRecord( tv->num_cols );
1980 for( i=0; i<tv->num_cols; i++ )
1982 if ( (mask&1) && (i>=(mask>>8)) )
1984 /* all keys must be present */
1985 if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) )
1988 if( (columns[i].type & MSITYPE_STRING) &&
1989 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
1993 val = read_raw_int(rawdata, ofs, bytes_per_strref);
1994 sval = msi_string_lookup_id( st, val );
1995 MSI_RecordSetStringW( rec, i+1, sval );
1996 TRACE(" field %d [%s]\n", i+1, debugstr_w(sval));
1997 ofs += bytes_per_strref;
2001 UINT n = bytes_per_column( &columns[i] );
2005 val = read_raw_int(rawdata, ofs, n);
2007 MSI_RecordSetInteger( rec, i+1, val^0x8000 );
2008 TRACE(" field %d [0x%04x]\n", i+1, val );
2011 val = read_raw_int(rawdata, ofs, n);
2013 MSI_RecordSetInteger( rec, i+1, val^0x80000000 );
2014 TRACE(" field %d [0x%08x]\n", i+1, val );
2017 ERR("oops - unknown column width %d\n", n);
2026 static void dump_record( MSIRECORD *rec )
2030 n = MSI_RecordGetFieldCount( rec );
2031 for( i=1; i<=n; i++ )
2033 LPCWSTR sval = MSI_RecordGetString( rec, i );
2035 if( MSI_RecordIsNull( rec, i ) )
2036 TRACE("row -> []\n");
2037 else if( (sval = MSI_RecordGetString( rec, i )) )
2038 TRACE("row -> [%s]\n", debugstr_w(sval));
2040 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) );
2044 static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize )
2049 for( i=0; i<(rawsize/2); i++ )
2051 sval = msi_string_lookup_id( st, rawdata[i] );
2052 MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) );
2056 static UINT* msi_record_to_row( const MSITABLEVIEW *tv, MSIRECORD *rec )
2061 data = msi_alloc( tv->num_cols *sizeof (UINT) );
2062 for( i=0; i<tv->num_cols; i++ )
2066 if ( ~tv->columns[i].type & MSITYPE_KEY )
2069 /* turn the transform column value into a row value */
2070 if ( ( tv->columns[i].type & MSITYPE_STRING ) &&
2071 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2073 str = MSI_RecordGetString( rec, i+1 );
2074 r = msi_string2idW( tv->db->strings, str, &data[i] );
2076 /* if there's no matching string in the string table,
2077 these keys can't match any record, so fail now. */
2078 if( ERROR_SUCCESS != r )
2086 data[i] = MSI_RecordGetInteger( rec, i+1 );
2087 if ((tv->columns[i].type&0xff) == 2)
2090 data[i] += 0x80000000;
2096 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data )
2098 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
2100 for( i=0; i<tv->num_cols; i++ )
2102 if ( ~tv->columns[i].type & MSITYPE_KEY )
2105 /* turn the transform column value into a row value */
2106 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
2107 if ( r != ERROR_SUCCESS )
2109 ERR("TABLE_fetch_int shouldn't fail here\n");
2113 /* if this key matches, move to the next column */
2116 ret = ERROR_FUNCTION_FAILED;
2120 ret = ERROR_SUCCESS;
2126 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
2128 UINT i, r = ERROR_FUNCTION_FAILED, *data;
2130 data = msi_record_to_row( tv, rec );
2133 for( i = 0; i < tv->table->row_count + tv->table->nonpersistent_row_count; i++ )
2135 r = msi_row_matches( tv, i, data );
2136 if( r == ERROR_SUCCESS )
2152 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
2153 string_table *st, TRANSFORMDATA *transform,
2154 UINT bytes_per_strref )
2157 BYTE *rawdata = NULL;
2158 MSITABLEVIEW *tv = NULL;
2159 UINT r, n, sz, i, mask;
2160 MSIRECORD *rec = NULL;
2166 return ERROR_SUCCESS;
2168 name = transform->name;
2171 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
2173 /* read the transform data */
2174 read_stream_data( stg, name, TRUE, &rawdata, &rawsize );
2177 TRACE("table %s empty\n", debugstr_w(name) );
2178 return ERROR_INVALID_TABLE;
2181 /* create a table view */
2182 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
2183 if( r != ERROR_SUCCESS )
2186 r = tv->view.ops->execute( &tv->view, NULL );
2187 if( r != ERROR_SUCCESS )
2190 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2191 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
2193 /* interpret the data */
2195 for( n=0; n < rawsize; )
2197 mask = rawdata[n] | (rawdata[n+1] << 8);
2202 * if the low bit is set, columns are continuous and
2203 * the number of columns is specified in the high byte
2206 for( i=0; i<tv->num_cols; i++ )
2208 if( (tv->columns[i].type & MSITYPE_STRING) &&
2209 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2210 sz += bytes_per_strref;
2212 sz += bytes_per_column( &tv->columns[i] );
2218 * If the low bit is not set, mask is a bitmask.
2219 * Excepting for key fields, which are always present,
2220 * each bit indicates that a field is present in the transform record.
2222 * mask == 0 is a special case ... only the keys will be present
2223 * and it means that this row should be deleted.
2226 for( i=0; i<tv->num_cols; i++ )
2228 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
2230 if( (tv->columns[i].type & MSITYPE_STRING) &&
2231 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2232 sz += bytes_per_strref;
2234 sz += bytes_per_column( &tv->columns[i] );
2239 /* check we didn't run of the end of the table */
2240 if ( (n+sz) > rawsize )
2243 dump_table( st, (USHORT *)rawdata, rawsize );
2247 rec = msi_get_transform_record( tv, st, &rawdata[n], bytes_per_strref );
2254 UINT number = MSI_NULL_INTEGER;
2256 TRACE("inserting record\n");
2258 if (!lstrcmpW(name, szColumns))
2260 MSI_RecordGetStringW( rec, 1, table, &sz );
2261 number = MSI_RecordGetInteger( rec, 2 );
2264 * Native msi seems writes nul into the Number (2nd) column of
2265 * the _Columns table, only when the columns are from a new table
2267 if ( number == MSI_NULL_INTEGER )
2269 /* reset the column number on a new table */
2270 if ( lstrcmpW(coltable, table) )
2273 lstrcpyW( coltable, table );
2276 /* fix nul column numbers */
2277 MSI_RecordSetInteger( rec, 2, ++colcol );
2281 r = TABLE_insert_row( &tv->view, rec, FALSE );
2282 if (r != ERROR_SUCCESS)
2283 ERR("insert row failed\n");
2285 if ( number != MSI_NULL_INTEGER && !lstrcmpW(name, szColumns) )
2286 msi_update_table_columns( db, table );
2292 r = msi_table_find_row( tv, rec, &row );
2293 if (r != ERROR_SUCCESS)
2294 ERR("no matching row to transform\n");
2297 TRACE("modifying row [%d]:\n", row);
2298 TABLE_set_row( &tv->view, row, rec, mask );
2302 TRACE("deleting row [%d]:\n", row);
2303 TABLE_delete_row( &tv->view, row );
2306 if( TRACE_ON(msidb) ) dump_record( rec );
2307 msiobj_release( &rec->hdr );
2314 /* no need to free the table, it's associated with the database */
2315 msi_free( rawdata );
2317 tv->view.ops->delete( &tv->view );
2319 return ERROR_SUCCESS;
2323 * msi_table_apply_transform
2325 * Enumerate the table transforms in a transform storage and apply each one.
2327 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2329 struct list transforms;
2330 IEnumSTATSTG *stgenum = NULL;
2331 TRANSFORMDATA *transform;
2332 TRANSFORMDATA *tables = NULL, *columns = NULL;
2335 string_table *strings;
2336 UINT ret = ERROR_FUNCTION_FAILED;
2337 UINT bytes_per_strref;
2339 TRACE("%p %p\n", db, stg );
2341 strings = msi_load_string_table( stg, &bytes_per_strref );
2345 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2349 list_init(&transforms);
2353 MSITABLEVIEW *tv = NULL;
2357 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2358 if ( FAILED( r ) || !count )
2361 decode_streamname( stat.pwcsName, name );
2362 if ( name[0] != 0x4840 )
2365 if ( !lstrcmpW( name+1, szStringPool ) ||
2366 !lstrcmpW( name+1, szStringData ) )
2369 transform = msi_alloc_zero( sizeof(TRANSFORMDATA) );
2373 list_add_tail( &transforms, &transform->entry );
2375 transform->name = strdupW( name + 1 );
2377 if ( !lstrcmpW( transform->name, szTables ) )
2379 else if (!lstrcmpW( transform->name, szColumns ) )
2380 columns = transform;
2382 TRACE("transform contains stream %s\n", debugstr_w(name));
2384 /* load the table */
2385 r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv );
2386 if( r != ERROR_SUCCESS )
2389 r = tv->view.ops->execute( &tv->view, NULL );
2390 if( r != ERROR_SUCCESS )
2392 tv->view.ops->delete( &tv->view );
2396 tv->view.ops->delete( &tv->view );
2400 * Apply _Tables and _Columns transforms first so that
2401 * the table metadata is correct, and empty tables exist.
2403 ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref );
2404 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2407 ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref );
2408 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2411 ret = ERROR_SUCCESS;
2413 while ( !list_empty( &transforms ) )
2415 transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry );
2417 if ( lstrcmpW( transform->name, szColumns ) &&
2418 lstrcmpW( transform->name, szTables ) &&
2419 ret == ERROR_SUCCESS )
2421 ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref );
2424 list_remove( &transform->entry );
2425 msi_free( transform->name );
2426 msi_free( transform );
2429 if ( ret == ERROR_SUCCESS )
2430 append_storage_to_db( db, stg );
2434 IEnumSTATSTG_Release( stgenum );
2436 msi_destroy_stringtable( strings );
2441 void append_storage_to_db( MSIDATABASE *db, IStorage *stg )
2445 t = msi_alloc( sizeof *t );
2447 IStorage_AddRef( stg );
2448 list_add_tail( &db->transforms, &t->entry );
2451 void msi_free_transforms( MSIDATABASE *db )
2453 while( !list_empty( &db->transforms ) )
2455 MSITRANSFORM *t = LIST_ENTRY( list_head( &db->transforms ),
2456 MSITRANSFORM, entry );
2457 list_remove( &t->entry );
2458 IStorage_Release( t->stg );