2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 2002-2004 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #define NONAMELESSUNION
25 #define NONAMELESSSTRUCT
30 #include "wine/debug.h"
40 WINE_DEFAULT_DEBUG_CHANNEL(msi);
42 typedef struct tagMSICOLUMNINFO
56 struct tagMSITABLE *next;
57 struct tagMSITABLE *prev;
61 #define MAX_STREAM_NAME 0x1f
63 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
64 MSICOLUMNINFO **pcols, UINT *pcount );
65 static UINT get_tablecolumns( MSIDATABASE *db,
66 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
68 static inline UINT bytes_per_column( MSICOLUMNINFO *col )
70 if( col->type & MSITYPE_STRING )
72 if( (col->type & 0xff) > 4 )
73 ERR("Invalid column size!\n");
74 return col->type & 0xff;
77 static int utf2mime(int x)
79 if( (x>='0') && (x<='9') )
81 if( (x>='A') && (x<='Z') )
83 if( (x>='a') && (x<='z') )
92 static LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
94 DWORD count = MAX_STREAM_NAME;
99 count = lstrlenW( in )+2;
100 out = HeapAlloc( GetProcessHeap(), 0, count*sizeof(WCHAR) );
116 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
118 ch = utf2mime(ch) + 0x4800;
120 if( next && (next<0x80) )
122 next = utf2mime(next);
133 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
134 HeapFree( GetProcessHeap(), 0, out );
138 static int mime2utf(int x)
145 return x - 10 - 26 + 'a';
146 if( x == (10+26+26) )
151 static BOOL decode_streamname(LPWSTR in, LPWSTR out)
156 while ( (ch = *in++) )
158 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
161 ch = mime2utf(ch-0x4800);
165 *out++ = mime2utf(ch&0x3f);
167 ch = mime2utf((ch>>6)&0x3f);
177 void enum_stream_names( IStorage *stg )
179 IEnumSTATSTG *stgenum = NULL;
185 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
193 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
194 if( FAILED( r ) || !count )
196 decode_streamname( stat.pwcsName, name );
197 TRACE("stream %2ld -> %s %s\n", n,
198 debugstr_w(stat.pwcsName), debugstr_w(name) );
202 IEnumSTATSTG_Release( stgenum );
205 static UINT read_stream_data( IStorage *stg, LPCWSTR stname,
206 USHORT **pdata, UINT *psz )
209 UINT ret = ERROR_FUNCTION_FAILED;
216 encname = encode_streamname(TRUE, stname);
218 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
220 r = IStorage_OpenStream(stg, encname, NULL,
221 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
222 HeapFree( GetProcessHeap(), 0, encname );
225 WARN("open stream failed r = %08lx - empty table?\n",r);
229 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
232 WARN("open stream failed r = %08lx!\n",r);
236 if( stat.cbSize.QuadPart >> 32 )
242 sz = stat.cbSize.QuadPart;
243 data = HeapAlloc( GetProcessHeap(), 0, sz );
246 WARN("couldn't allocate memory r=%08lx!\n",r);
247 ret = ERROR_NOT_ENOUGH_MEMORY;
251 r = IStream_Read(stm, data, sz, &count );
252 if( FAILED( r ) || ( count != sz ) )
254 HeapFree( GetProcessHeap(), 0, data );
255 WARN("read stream failed r = %08lx!\n",r);
264 IStream_Release( stm );
269 UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm )
274 encname = encode_streamname(FALSE, stname);
276 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
278 r = IStorage_OpenStream(db->storage, encname, NULL,
279 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm);
280 HeapFree( GetProcessHeap(), 0, encname );
283 WARN("open stream failed r = %08lx - empty table?\n",r);
284 return ERROR_FUNCTION_FAILED;
287 return ERROR_SUCCESS;
290 UINT read_raw_stream_data( MSIDATABASE *db, LPCWSTR stname,
291 USHORT **pdata, UINT *psz )
294 UINT ret = ERROR_FUNCTION_FAILED;
300 r = db_get_raw_stream( db, stname, &stm );
301 if( r != ERROR_SUCCESS)
303 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
306 WARN("open stream failed r = %08lx!\n",r);
310 if( stat.cbSize.QuadPart >> 32 )
316 sz = stat.cbSize.QuadPart;
317 data = HeapAlloc( GetProcessHeap(), 0, sz );
320 WARN("couldn't allocate memory r=%08lx!\n",r);
321 ret = ERROR_NOT_ENOUGH_MEMORY;
325 r = IStream_Read(stm, data, sz, &count );
326 if( FAILED( r ) || ( count != sz ) )
328 HeapFree( GetProcessHeap(), 0, data );
329 WARN("read stream failed r = %08lx!\n",r);
338 IStream_Release( stm );
343 static UINT write_stream_data( IStorage *stg, LPCWSTR stname,
344 LPVOID data, UINT sz )
347 UINT ret = ERROR_FUNCTION_FAILED;
354 encname = encode_streamname(TRUE, stname );
355 r = IStorage_OpenStream( stg, encname, NULL,
356 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
359 r = IStorage_CreateStream( stg, encname,
360 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
362 HeapFree( GetProcessHeap(), 0, encname );
365 WARN("open stream failed r = %08lx\n",r);
370 r = IStream_SetSize( stm, size );
373 WARN("Failed to SetSize\n");
378 r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
381 WARN("Failed to Seek\n");
385 r = IStream_Write(stm, data, sz, &count );
386 if( FAILED( r ) || ( count != sz ) )
388 WARN("Failed to Write\n");
395 IStream_Release( stm );
400 static UINT read_table_from_storage( MSIDATABASE *db, LPCWSTR name, MSITABLE **ptable)
403 USHORT *rawdata = NULL;
404 UINT rawsize = 0, r, i, j, row_size = 0, num_cols = 0;
405 MSICOLUMNINFO *cols, *last_col;
407 TRACE("%s\n",debugstr_w(name));
409 /* nonexistent tables should be interpreted as empty tables */
410 t = HeapAlloc( GetProcessHeap(), 0,
411 sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
413 return ERROR_NOT_ENOUGH_MEMORY;
415 r = table_get_column_info( db, name, &cols, &num_cols );
416 if( r != ERROR_SUCCESS )
418 HeapFree( GetProcessHeap(), 0, t );
421 last_col = &cols[num_cols-1];
422 row_size = last_col->offset + bytes_per_column( last_col );
426 lstrcpyW( t->name, name );
430 /* if we can't read the table, just assume that it's empty */
431 read_stream_data( db->storage, name, &rawdata, &rawsize );
433 return ERROR_SUCCESS;
435 TRACE("Read %d bytes\n", rawsize );
437 if( rawsize % row_size )
439 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
440 return ERROR_FUNCTION_FAILED;
443 t->row_count = rawsize / row_size;
444 t->data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
445 t->row_count * sizeof (USHORT*) );
447 return ERROR_NOT_ENOUGH_MEMORY; /* FIXME: memory leak */
449 /* transpose all the data */
450 TRACE("Transposing data from %d columns\n", t->row_count );
451 for( i=0; i<t->row_count; i++ )
453 t->data[i] = HeapAlloc( GetProcessHeap(), 0, row_size );
455 return ERROR_NOT_ENOUGH_MEMORY; /* FIXME: memory leak */
456 for( j=0; j<num_cols; j++ )
458 UINT ofs = cols[j].offset/2;
459 UINT n = bytes_per_column( &cols[j] );
464 t->data[i][ofs] = rawdata[ofs*t->row_count + i ];
467 t->data[i][ofs] = rawdata[ofs*t->row_count + i*2 ];
468 t->data[i][ofs+1] = rawdata[ofs*t->row_count + i*2 + 1];
471 ERR("oops - unknown column width %d\n", n);
472 return ERROR_FUNCTION_FAILED;
477 HeapFree( GetProcessHeap(), 0, cols );
478 HeapFree( GetProcessHeap(), 0, rawdata );
480 return ERROR_SUCCESS;
483 /* add this table to the list of cached tables in the database */
484 void add_table(MSIDATABASE *db, MSITABLE *table)
486 table->next = db->first_table;
488 if( db->first_table )
489 db->first_table->prev = table;
491 db->last_table = table;
492 db->first_table = table;
495 /* remove from the list of cached tables */
496 void remove_table( MSIDATABASE *db, MSITABLE *table )
499 table->next->prev = table->prev;
501 db->last_table = table->prev;
503 table->prev->next = table->next;
505 db->first_table = table->next;
510 static void release_table( MSIDATABASE *db, MSITABLE *table )
512 if( !table->ref_count )
513 ERR("Trying to destroy table with refcount 0\n");
515 if( !table->ref_count )
517 remove_table( db, table );
518 HeapFree( GetProcessHeap(), 0, table->data );
519 HeapFree( GetProcessHeap(), 0, table );
520 TRACE("Destroyed table %s\n", debugstr_w(table->name));
524 void free_cached_tables( MSIDATABASE *db )
526 while( db->first_table )
528 MSITABLE *t = db->first_table;
530 if ( --t->ref_count )
531 ERR("table ref count not zero for %s\n", debugstr_w(t->name));
532 remove_table( db, t );
533 HeapFree( GetProcessHeap(), 0, t->data );
534 HeapFree( GetProcessHeap(), 0, t );
538 UINT find_cached_table(MSIDATABASE *db, LPCWSTR name, MSITABLE **ptable)
542 for( t = db->first_table; t; t=t->next )
544 if( !lstrcmpW( name, t->name ) )
547 return ERROR_SUCCESS;
551 return ERROR_FUNCTION_FAILED;
554 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
556 UINT r, column_count;
557 MSICOLUMNINFO *columns;
559 /* get the number of columns in this table */
561 r = get_tablecolumns( db, name, NULL, &column_count );
562 if( r != ERROR_SUCCESS )
565 /* if there's no columns, there's no table */
566 if( column_count == 0 )
567 return ERROR_INVALID_PARAMETER;
569 TRACE("Table %s found\n", debugstr_w(name) );
571 columns = HeapAlloc( GetProcessHeap(), 0, column_count*sizeof (MSICOLUMNINFO));
573 return ERROR_FUNCTION_FAILED;
575 r = get_tablecolumns( db, name, columns, &column_count );
576 if( r != ERROR_SUCCESS )
578 HeapFree( GetProcessHeap(), 0, columns );
579 return ERROR_FUNCTION_FAILED;
583 *pcount = column_count;
588 UINT get_table(MSIDATABASE *db, LPCWSTR name, MSITABLE **ptable)
594 /* first, see if the table is cached */
595 r = find_cached_table( db, name, ptable );
596 if( r == ERROR_SUCCESS )
598 (*ptable)->ref_count++;
602 r = read_table_from_storage( db, name, ptable );
603 if( r != ERROR_SUCCESS )
606 /* add the table to the list */
607 add_table( db, *ptable );
608 (*ptable)->ref_count++;
610 return ERROR_SUCCESS;
613 static UINT save_table( MSIDATABASE *db, MSITABLE *t )
615 USHORT *rawdata = NULL, *p;
616 UINT rawsize, r, i, j, row_size, num_cols = 0;
617 MSICOLUMNINFO *cols, *last_col;
619 TRACE("Saving %s\n", debugstr_w( t->name ) );
621 r = table_get_column_info( db, t->name, &cols, &num_cols );
622 if( r != ERROR_SUCCESS )
625 last_col = &cols[num_cols-1];
626 row_size = last_col->offset + bytes_per_column( last_col );
628 rawsize = t->row_count * row_size;
629 rawdata = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, rawsize );
631 return ERROR_NOT_ENOUGH_MEMORY;
634 for( i=0; i<num_cols; i++ )
636 for( j=0; j<t->row_count; j++ )
638 UINT offset = cols[i].offset;
640 *p++ = t->data[j][offset/2];
641 if( 4 == bytes_per_column( &cols[i] ) )
642 *p++ = t->data[j][offset/2+1];
646 TRACE("writing %d bytes\n", rawsize);
647 r = write_stream_data( db->storage, t->name, rawdata, rawsize );
649 HeapFree( GetProcessHeap(), 0, rawdata );
654 HRESULT init_string_table( IStorage *stg )
657 static const WCHAR szStringData[] = {
658 '_','S','t','r','i','n','g','D','a','t','a',0 };
659 static const WCHAR szStringPool[] = {
660 '_','S','t','r','i','n','g','P','o','o','l',0 };
661 USHORT zero[2] = { 0, 0 };
666 encname = encode_streamname(TRUE, szStringPool );
668 /* create the StringPool stream... add the zero string to it*/
669 r = IStorage_CreateStream( stg, encname,
670 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
671 HeapFree( GetProcessHeap(), 0, encname );
678 r = IStream_Write(stm, zero, sizeof zero, &count );
679 IStream_Release( stm );
681 if( FAILED( r ) || ( count != sizeof zero ) )
687 /* create the StringData stream... make it zero length */
688 encname = encode_streamname(TRUE, szStringData );
689 r = IStorage_CreateStream( stg, encname,
690 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
691 HeapFree( GetProcessHeap(), 0, encname );
697 IStream_Release( stm );
702 UINT load_string_table( MSIDATABASE *db )
706 UINT r, ret = ERROR_FUNCTION_FAILED, datasize = 0, poolsize = 0, codepage;
707 DWORD i, count, offset, len, n;
708 static const WCHAR szStringData[] = {
709 '_','S','t','r','i','n','g','D','a','t','a',0 };
710 static const WCHAR szStringPool[] = {
711 '_','S','t','r','i','n','g','P','o','o','l',0 };
715 msi_destroy_stringtable( db->strings );
719 r = read_stream_data( db->storage, szStringPool, &pool, &poolsize );
720 if( r != ERROR_SUCCESS)
722 r = read_stream_data( db->storage, szStringData, (USHORT**)&data, &datasize );
723 if( r != ERROR_SUCCESS)
728 codepage = pool[0] | ( pool[1] << 16 );
731 db->strings = msi_init_stringtable( count, codepage );
735 for( i=1; i<count; i++ )
740 * If a string is over 64k, the previous string entry is made null
741 * and its the high word of the length is inserted in the null string's
742 * reference count field.
744 if( pool[i*2-2] == 0 )
745 len += pool[i*2-1] * 0x10000;
747 if( (offset + len) > datasize )
749 ERR("string table corrupt?\n");
753 /* don't add the high word of a string's length as a string */
754 if ( len || !pool[i*2+1] )
756 r = msi_addstring( db->strings, n, data+offset, len, pool[i*2+1] );
758 ERR("Failed to add string %ld\n", n );
765 if ( datasize != offset )
766 ERR("string table load failed! (%08x != %08lx)\n", datasize, offset );
768 TRACE("Loaded %ld strings\n", count);
773 HeapFree( GetProcessHeap(), 0, pool );
774 HeapFree( GetProcessHeap(), 0, data );
779 static UINT save_string_table( MSIDATABASE *db )
781 UINT i, count, datasize, poolsize, sz, used, r, codepage;
782 UINT ret = ERROR_FUNCTION_FAILED;
783 static const WCHAR szStringData[] = {
784 '_','S','t','r','i','n','g','D','a','t','a',0 };
785 static const WCHAR szStringPool[] = {
786 '_','S','t','r','i','n','g','P','o','o','l',0 };
792 /* construct the new table in memory first */
793 datasize = msi_string_totalsize( db->strings, &count );
794 poolsize = count*2*sizeof(USHORT);
796 pool = HeapAlloc( GetProcessHeap(), 0, poolsize );
799 WARN("Failed to alloc pool %d bytes\n", poolsize );
802 data = HeapAlloc( GetProcessHeap(), 0, datasize );
805 WARN("Failed to alloc data %d bytes\n", poolsize );
810 codepage = msi_string_get_codepage( db->strings );
811 pool[0]=codepage&0xffff;
812 pool[1]=(codepage>>16);
813 for( i=1; i<count; i++ )
815 sz = datasize - used;
816 r = msi_id2stringA( db->strings, i, data+used, &sz );
817 if( r != ERROR_SUCCESS )
819 ERR("failed to fetch string\n");
822 if( sz && (sz < (datasize - used ) ) )
824 TRACE("adding %u bytes %s\n", sz, data+used );
826 pool[ i*2 + 1 ] = msi_id_refcount( db->strings, i );
828 if( used > datasize )
830 ERR("oops overran %d >= %d\n", used, datasize);
835 if( used != datasize )
837 ERR("oops used %d != datasize %d\n", used, datasize);
841 /* write the streams */
842 r = write_stream_data( db->storage, szStringData, data, datasize );
843 TRACE("Wrote StringData r=%08x\n", r);
846 r = write_stream_data( db->storage, szStringPool, pool, poolsize );
847 TRACE("Wrote StringPool r=%08x\n", r);
854 HeapFree( GetProcessHeap(), 0, data );
855 HeapFree( GetProcessHeap(), 0, pool );
860 /* information for default tables */
861 static const WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
862 static const WCHAR szTable[] = { 'T','a','b','l','e',0 };
863 static const WCHAR szName[] = { 'N','a','m','e',0 };
864 static const WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
865 static const WCHAR szColumn[] = { 'C','o','l','u','m','n',0 };
866 static const WCHAR szNumber[] = { 'N','u','m','b','e','r',0 };
867 static const WCHAR szType[] = { 'T','y','p','e',0 };
869 struct standard_table {
874 } MSI_standard_tables[] =
876 { szTables, szName, 1, MSITYPE_VALID | MSITYPE_STRING | 32},
877 { szColumns, szTable, 1, MSITYPE_VALID | MSITYPE_STRING | 32},
878 { szColumns, szNumber, 2, MSITYPE_VALID | 2},
879 { szColumns, szName, 3, MSITYPE_VALID | MSITYPE_STRING | 32},
880 { szColumns, szType, 4, MSITYPE_VALID | 2},
883 #define STANDARD_TABLE_COUNT \
884 (sizeof(MSI_standard_tables)/sizeof(struct standard_table))
886 static UINT get_defaulttablecolumns( LPCWSTR szTable, MSICOLUMNINFO *colinfo, UINT *sz)
890 for(i=0; i<STANDARD_TABLE_COUNT; i++)
892 if( lstrcmpW( szTable, MSI_standard_tables[i].tablename ) )
894 if(colinfo && (n < *sz) )
896 colinfo[n].tablename = strdupW(MSI_standard_tables[i].tablename);
897 colinfo[n].colname = strdupW(MSI_standard_tables[i].columnname);
898 colinfo[n].number = MSI_standard_tables[i].number;
899 colinfo[n].type = MSI_standard_tables[i].type;
900 /* ERR("Table %s has column %s\n",debugstr_w(colinfo[n].tablename),
901 debugstr_w(colinfo[n].colname)); */
903 colinfo[n].offset = colinfo[n-1].offset
904 + bytes_per_column( &colinfo[n-1] );
906 colinfo[n].offset = 0;
909 if( colinfo && (n >= *sz) )
913 return ERROR_SUCCESS;
916 LPWSTR MSI_makestring( MSIDATABASE *db, UINT stringid)
921 r = msi_id2stringW( db->strings, stringid, NULL, &sz );
922 if( r != ERROR_SUCCESS )
924 str = HeapAlloc( GetProcessHeap(), 0, sz*sizeof (WCHAR));
927 r = msi_id2stringW( db->strings, stringid, str, &sz );
928 if( r == ERROR_SUCCESS )
930 HeapFree( GetProcessHeap(), 0, str );
934 static UINT get_tablecolumns( MSIDATABASE *db,
935 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
937 UINT r, i, n=0, table_id, count, maxcount = *sz;
938 MSITABLE *table = NULL;
939 static const WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
941 /* first check if there is a default table with that name */
942 r = get_defaulttablecolumns( szTableName, colinfo, sz );
943 if( ( r == ERROR_SUCCESS ) && *sz )
946 r = get_table( db, szColumns, &table);
947 if( r != ERROR_SUCCESS )
949 WARN("table %s not available\n", debugstr_w(szColumns));
953 /* convert table and column names to IDs from the string table */
954 r = msi_string2idW( db->strings, szTableName, &table_id );
955 if( r != ERROR_SUCCESS )
957 release_table( db, table );
958 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
962 TRACE("Table id is %d\n", table_id);
964 count = table->row_count;
965 for( i=0; i<count; i++ )
967 if( table->data[ i ][ 0 ] != table_id )
971 UINT id = table->data[ i ] [ 2 ];
972 colinfo[n].tablename = MSI_makestring( db, table_id );
973 colinfo[n].number = table->data[ i ][ 1 ] - (1<<15);
974 colinfo[n].colname = MSI_makestring( db, id );
975 colinfo[n].type = table->data[ i ] [ 3 ];
976 /* this assumes that columns are in order in the table */
978 colinfo[n].offset = colinfo[n-1].offset
979 + bytes_per_column( &colinfo[n-1] );
981 colinfo[n].offset = 0;
982 TRACE("table %s column %d is [%s] (%d) with type %08x "
983 "offset %d at row %d\n", debugstr_w(szTableName),
984 colinfo[n].number, debugstr_w(colinfo[n].colname),
985 id, colinfo[n].type, colinfo[n].offset, i);
986 if( n != (colinfo[n].number-1) )
988 ERR("oops. data in the _Columns table isn't in the right "
989 "order for table %s\n", debugstr_w(szTableName));
990 return ERROR_FUNCTION_FAILED;
994 if( colinfo && ( n >= maxcount ) )
999 release_table( db, table );
1001 return ERROR_SUCCESS;
1004 /* try to find the table name in the _Tables table */
1005 BOOL TABLE_Exists( MSIDATABASE *db, LPWSTR name )
1007 static const WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
1008 static const WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
1009 UINT r, table_id = 0, i, count;
1010 MSITABLE *table = NULL;
1012 if( !lstrcmpW( name, szTables ) )
1014 if( !lstrcmpW( name, szColumns ) )
1017 r = msi_string2idW( db->strings, name, &table_id );
1018 if( r != ERROR_SUCCESS )
1020 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1024 r = get_table( db, szTables, &table);
1025 if( r != ERROR_SUCCESS )
1027 TRACE("table %s not available\n", debugstr_w(szTables));
1031 /* count = table->size/2; */
1032 count = table->row_count;
1033 for( i=0; i<count; i++ )
1034 if( table->data[ i ][ 0 ] == table_id )
1037 release_table( db, table );
1042 TRACE("Searched %d tables, but %d was not found\n", count, table_id );
1047 /* below is the query interface to a table */
1049 typedef struct tagMSITABLEVIEW
1054 MSICOLUMNINFO *columns;
1060 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1062 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1063 UINT offset, num_rows, n;
1066 return ERROR_INVALID_PARAMETER;
1068 if( (col==0) || (col>tv->num_cols) )
1069 return ERROR_INVALID_PARAMETER;
1071 /* how many rows are there ? */
1072 num_rows = tv->table->row_count;
1073 if( row >= num_rows )
1074 return ERROR_NO_MORE_ITEMS;
1076 if( tv->columns[col-1].offset >= tv->row_size )
1078 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1079 ERR("%p %p\n", tv, tv->columns );
1080 return ERROR_FUNCTION_FAILED;
1083 offset = row + (tv->columns[col-1].offset/2) * num_rows;
1084 n = bytes_per_column( &tv->columns[col-1] );
1088 offset = tv->columns[col-1].offset/2;
1089 *val = tv->table->data[row][offset] +
1090 (tv->table->data[row][offset + 1] << 16);
1093 offset = tv->columns[col-1].offset/2;
1094 *val = tv->table->data[row][offset];
1097 ERR("oops! what is %d bytes per column?\n", n );
1098 return ERROR_FUNCTION_FAILED;
1101 /* TRACE("Data [%d][%d] = %d \n", row, col, *val ); */
1103 return ERROR_SUCCESS;
1107 * We need a special case for streams, as we need to reference column with
1108 * the name of the stream in the same table, and the table name
1109 * which may not be available at higher levels of the query
1111 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1113 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1114 UINT ival = 0, refcol = 0, r;
1118 static const WCHAR szDot[] = { '.', 0 };
1120 if( !view->ops->fetch_int )
1121 return ERROR_INVALID_PARAMETER;
1124 * The column marked with the type stream data seems to have a single number
1125 * which references the column containing the name of the stream data
1127 * Fetch the column to reference first.
1129 r = view->ops->fetch_int( view, row, col, &ival );
1130 if( r != ERROR_SUCCESS )
1133 /* now get the column with the name of the stream */
1134 r = view->ops->fetch_int( view, row, ival, &refcol );
1135 if( r != ERROR_SUCCESS )
1138 /* lookup the string value from the string table */
1139 sval = MSI_makestring( tv->db, refcol );
1141 return ERROR_INVALID_PARAMETER;
1143 len = lstrlenW( tv->name ) + 2 + lstrlenW( sval );
1144 full_name = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
1145 lstrcpyW( full_name, tv->name );
1146 lstrcatW( full_name, szDot );
1147 lstrcatW( full_name, sval );
1149 r = db_get_raw_stream( tv->db, full_name, stm );
1151 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1152 HeapFree( GetProcessHeap(), 0, full_name );
1153 HeapFree( GetProcessHeap(), 0, sval );
1158 static UINT TABLE_set_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT val )
1160 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1164 return ERROR_INVALID_PARAMETER;
1166 if( (col==0) || (col>tv->num_cols) )
1167 return ERROR_INVALID_PARAMETER;
1169 if( tv->columns[col-1].offset >= tv->row_size )
1171 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1172 ERR("%p %p\n", tv, tv->columns );
1173 return ERROR_FUNCTION_FAILED;
1176 n = bytes_per_column( &tv->columns[col-1] );
1180 offset = tv->columns[col-1].offset/2;
1181 tv->table->data[row][offset] = val & 0xffff;
1182 tv->table->data[row][offset + 1] = (val>>16)&0xffff;
1185 offset = tv->columns[col-1].offset/2;
1186 tv->table->data[row][offset] = val;
1189 ERR("oops! what is %d bytes per column?\n", n );
1190 return ERROR_FUNCTION_FAILED;
1192 return ERROR_SUCCESS;
1195 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num )
1197 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1201 TRACE("%p\n", view);
1204 return ERROR_INVALID_PARAMETER;
1206 row = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, tv->row_size );
1208 return ERROR_NOT_ENOUGH_MEMORY;
1210 sz = (tv->table->row_count + 1) * sizeof (UINT*);
1211 if( tv->table->data )
1212 p = HeapReAlloc( GetProcessHeap(), 0, tv->table->data, sz );
1214 p = HeapAlloc( GetProcessHeap(), 0, sz );
1217 HeapFree( GetProcessHeap(), 0, row );
1218 return ERROR_NOT_ENOUGH_MEMORY;
1221 tv->table->data = p;
1222 tv->table->data[tv->table->row_count] = row;
1223 *num = tv->table->row_count;
1224 tv->table->row_count++;
1226 return ERROR_SUCCESS;
1229 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1231 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1234 TRACE("%p %p\n", tv, record);
1238 release_table( tv->db, tv->table );
1242 r = get_table( tv->db, tv->name, &tv->table );
1243 if( r != ERROR_SUCCESS )
1246 return ERROR_SUCCESS;
1249 static UINT TABLE_close( struct tagMSIVIEW *view )
1251 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1253 TRACE("%p\n", view );
1256 return ERROR_FUNCTION_FAILED;
1258 release_table( tv->db, tv->table );
1261 return ERROR_SUCCESS;
1264 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1266 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1268 TRACE("%p %p %p\n", view, rows, cols );
1271 *cols = tv->num_cols;
1275 return ERROR_INVALID_PARAMETER;
1276 *rows = tv->table->row_count;
1279 return ERROR_SUCCESS;
1282 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1283 UINT n, LPWSTR *name, UINT *type )
1285 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1287 TRACE("%p %d %p %p\n", tv, n, name, type );
1289 if( ( n == 0 ) || ( n > tv->num_cols ) )
1290 return ERROR_INVALID_PARAMETER;
1294 *name = strdupW( tv->columns[n-1].colname );
1296 return ERROR_FUNCTION_FAILED;
1299 *type = tv->columns[n-1].type;
1301 return ERROR_SUCCESS;
1304 static UINT table_find_in_column( MSITABLEVIEW *tv, UINT col, UINT val, UINT *row )
1308 for( i=0; i<tv->table->row_count; i++ )
1310 r = TABLE_fetch_int( (struct tagMSIVIEW*) tv, i, col, &x );
1311 if ( r != ERROR_SUCCESS )
1313 ERR("TABLE_fetch_int shouldn't fail here\n");
1319 return ERROR_SUCCESS;
1322 return ERROR_FUNCTION_FAILED;
1325 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1328 UINT i, val, r, row;
1329 BOOL has_key = FALSE;
1331 /* FIXME: set the MsiViewGetError value */
1333 for( i = 0; i<tv->num_cols; i++ )
1335 /* check for duplicate keys */
1336 if( !( tv->columns[i].type & MSITYPE_KEY ) )
1341 TRACE("column %d (%s.%s)is a key\n", i,
1342 debugstr_w(tv->columns[i].tablename),
1343 debugstr_w(tv->columns[i].colname) );
1346 if( tv->columns[i].type & MSITYPE_STRING )
1348 /* keys can't be null */
1349 str = MSI_RecordGetString( rec, i+1 );
1351 return ERROR_INVALID_DATA;
1353 /* if the string doesn't exist in the string table yet, it's OK */
1354 r = msi_string2idW( tv->db->strings, str, &val );
1355 if( ERROR_SUCCESS != r )
1356 return ERROR_SUCCESS;
1360 val = MSI_RecordGetInteger( rec, i+1 );
1364 /* if we find the same value in the table, it's a duplicate */
1366 r = table_find_in_column( tv, i+1, val, &row );
1367 if( ERROR_SUCCESS != r )
1368 return ERROR_SUCCESS;
1370 TRACE("found in row %d\n", row );
1374 return ERROR_INVALID_DATA;
1376 return ERROR_SUCCESS;
1379 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec )
1381 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1382 UINT n, type, val, r, row, col_count = 0;
1384 r = TABLE_get_dimensions( view, NULL, &col_count );
1389 r = table_create_new_row( view, &row );
1390 TRACE("insert_row returned %08x\n", r);
1394 for( n = 1; n <= col_count; n++ )
1396 r = TABLE_get_column_info( view, n, NULL, &type );
1400 if( type & MSITYPE_STRING )
1402 const WCHAR *str = MSI_RecordGetString( rec, n );
1403 val = msi_addstringW( tv->db->strings, 0, str, -1, 1 );
1407 val = MSI_RecordGetInteger( rec, n );
1410 r = TABLE_set_int( view, row, n, val );
1418 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1421 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1424 TRACE("%p %d %p\n", view, eModifyMode, rec );
1428 r = TABLE_execute( view, NULL );
1433 switch (eModifyMode)
1435 case MSIMODIFY_VALIDATE_NEW:
1436 r = table_validate_new( tv, rec );
1439 case MSIMODIFY_INSERT_TEMPORARY:
1440 r = table_validate_new( tv, rec );
1441 if (r != ERROR_SUCCESS)
1443 r = TABLE_insert_row( view, rec );
1446 case MSIMODIFY_REFRESH:
1447 case MSIMODIFY_INSERT:
1448 case MSIMODIFY_UPDATE:
1449 case MSIMODIFY_ASSIGN:
1450 case MSIMODIFY_REPLACE:
1451 case MSIMODIFY_MERGE:
1452 case MSIMODIFY_DELETE:
1453 case MSIMODIFY_VALIDATE:
1454 case MSIMODIFY_VALIDATE_FIELD:
1455 case MSIMODIFY_VALIDATE_DELETE:
1456 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1457 r = ERROR_CALL_NOT_IMPLEMENTED;
1461 r = ERROR_INVALID_DATA;
1467 static UINT TABLE_delete( struct tagMSIVIEW *view )
1469 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1471 TRACE("%p\n", view );
1474 release_table( tv->db, tv->table );
1480 for( i=0; i<tv->num_cols; i++)
1482 HeapFree( GetProcessHeap(), 0, tv->columns[i].colname );
1483 HeapFree( GetProcessHeap(), 0, tv->columns[i].tablename );
1485 HeapFree( GetProcessHeap(), 0, tv->columns );
1489 HeapFree( GetProcessHeap(), 0, tv );
1491 return ERROR_SUCCESS;
1495 MSIVIEWOPS table_ops =
1503 TABLE_get_dimensions,
1504 TABLE_get_column_info,
1509 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
1512 UINT r, sz, column_count;
1513 MSICOLUMNINFO *columns, *last_col;
1515 TRACE("%p %s %p\n", db, debugstr_w(name), view );
1517 /* get the number of columns in this table */
1519 r = get_tablecolumns( db, name, NULL, &column_count );
1520 if( r != ERROR_SUCCESS )
1523 /* if there's no columns, there's no table */
1524 if( column_count == 0 )
1525 return ERROR_INVALID_PARAMETER;
1527 TRACE("Table found\n");
1529 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
1530 tv = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sz );
1532 return ERROR_FUNCTION_FAILED;
1534 columns = HeapAlloc( GetProcessHeap(), 0, column_count*sizeof (MSICOLUMNINFO));
1537 HeapFree( GetProcessHeap(), 0, tv );
1538 return ERROR_FUNCTION_FAILED;
1541 r = get_tablecolumns( db, name, columns, &column_count );
1542 if( r != ERROR_SUCCESS )
1544 HeapFree( GetProcessHeap(), 0, columns );
1545 HeapFree( GetProcessHeap(), 0, tv );
1546 return ERROR_FUNCTION_FAILED;
1549 TRACE("Table has %d columns\n", column_count);
1551 last_col = &columns[column_count-1];
1553 /* fill the structure */
1554 tv->view.ops = &table_ops;
1556 tv->columns = columns;
1557 tv->num_cols = column_count;
1559 tv->row_size = last_col->offset + bytes_per_column( last_col );
1561 TRACE("one row is %d bytes\n", tv->row_size );
1563 *view = (MSIVIEW*) tv;
1564 lstrcpyW( tv->name, name );
1566 return ERROR_SUCCESS;
1569 UINT MSI_CommitTables( MSIDATABASE *db )
1572 MSITABLE *table = NULL;
1576 r = save_string_table( db );
1577 if( r != ERROR_SUCCESS )
1579 WARN("failed to save string table r=%08x\n",r);
1583 for( table = db->first_table; table; table = table->next )
1585 r = save_table( db, table );
1586 if( r != ERROR_SUCCESS )
1588 WARN("failed to save table %s (r=%08x)\n",
1589 debugstr_w(table->name), r);
1594 /* force everything to reload next time */
1595 free_cached_tables( db );
1597 return ERROR_SUCCESS;