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msi: Add support for large string tables.

This commit is contained in:
James Hawkins 2007-06-07 16:41:51 -07:00 committed by Alexandre Julliard
parent 8568e0a4a8
commit a05613a9f2
4 changed files with 35 additions and 13 deletions
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3
dlls/msi/database.c
View File

@ -188,10 +188,11 @@ UINT MSI_OpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIDATABASE **pdb)
list_init( &db->tables );
list_init( &db->transforms );
db->strings = msi_load_string_table( stg );
db->strings = msi_load_string_table( stg, &db->bytes_per_strref );
if( !db->strings )
goto end;
msi_table_set_strref( db->bytes_per_strref );
ret = ERROR_SUCCESS;
msiobj_addref( &db->hdr );

4
dlls/msi/msipriv.h
View File

@ -75,6 +75,7 @@ typedef struct tagMSIDATABASE
MSIOBJECTHDR hdr;
IStorage *storage;
string_table *strings;
UINT bytes_per_strref;
LPWSTR path;
LPWSTR deletefile;
LPCWSTR mode;
@ -556,10 +557,11 @@ extern VOID msi_destroy_stringtable( string_table *st );
extern UINT msi_strcmp( string_table *st, UINT lval, UINT rval, UINT *res );
extern const WCHAR *msi_string_lookup_id( string_table *st, UINT id );
extern HRESULT msi_init_string_table( IStorage *stg );
extern string_table *msi_load_string_table( IStorage *stg );
extern string_table *msi_load_string_table( IStorage *stg, UINT *bytes_per_strref );
extern UINT msi_save_string_table( string_table *st, IStorage *storage );
extern void msi_table_set_strref(UINT bytes_per_strref);
extern BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name );
extern MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table );

13
dlls/msi/string.c
View File

@ -41,6 +41,7 @@
WINE_DEFAULT_DEBUG_CHANNEL(msidb);
#define HASH_SIZE 0x101
#define LONG_STR_BYTES 3
typedef struct _msistring
{
@ -507,7 +508,7 @@ HRESULT msi_init_string_table( IStorage *stg )
return S_OK;
}
string_table *msi_load_string_table( IStorage *stg )
string_table *msi_load_string_table( IStorage *stg, UINT *bytes_per_strref )
{
string_table *st = NULL;
CHAR *data = NULL;
@ -515,6 +516,8 @@ string_table *msi_load_string_table( IStorage *stg )
UINT r, datasize = 0, poolsize = 0, codepage;
DWORD i, count, offset, len, n, refs;
static const USHORT large_str_sig[] = { 0x0000, 0x8000 };
r = read_stream_data( stg, szStringPool, &pool, &poolsize );
if( r != ERROR_SUCCESS)
goto end;
@ -522,8 +525,14 @@ string_table *msi_load_string_table( IStorage *stg )
if( r != ERROR_SUCCESS)
goto end;
if ( !memcmp(pool, large_str_sig, sizeof(large_str_sig)) )
*bytes_per_strref = LONG_STR_BYTES;
else
*bytes_per_strref = sizeof(USHORT);
/* FIXME: don't know where the codepage is in large str tables */
count = poolsize/4;
if( poolsize > 4 )
if( poolsize > 4 && *bytes_per_strref != LONG_STR_BYTES )
codepage = pool[0] | ( pool[1] << 16 );
else
codepage = CP_ACP;

28
dlls/msi/table.c
View File

@ -42,6 +42,7 @@
WINE_DEFAULT_DEBUG_CHANNEL(msidb);
#define MSITABLE_HASH_TABLE_SIZE 37
#define LONG_STR_BYTES 3
typedef struct tagMSICOLUMNHASHENTRY
{
@ -113,10 +114,19 @@ static UINT get_tablecolumns( MSIDATABASE *db,
LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
void msi_table_set_strref(UINT bytes_per_strref)
{
_Columns_cols[0].offset = 0;
_Columns_cols[1].offset = bytes_per_strref;
_Columns_cols[2].offset = _Columns_cols[1].offset + sizeof(USHORT);
_Columns_cols[3].offset = _Columns_cols[2].offset + bytes_per_strref;
}
static inline UINT bytes_per_column( const MSICOLUMNINFO *col )
{
if( col->type & MSITYPE_STRING )
return 2;
return _Columns_cols[1].offset;
if( (col->type & 0xff) > 4 )
ERR("Invalid column size!\n");
return col->type & 0xff;
@ -525,7 +535,7 @@ static UINT read_table_from_storage( MSITABLE *t, IStorage *stg )
UINT n = bytes_per_column( &t->colinfo[j] );
UINT k;
if ( n != 2 && n != 4 )
if ( n != 2 && n != 3 && n != 4 )
{
ERR("oops - unknown column width %d\n", n);
goto err;
@ -975,12 +985,12 @@ static UINT get_tablecolumns( MSIDATABASE *db,
count = table->row_count;
for( i=0; i<count; i++ )
{
if( table->data[ i ][ 0 ] != table_id )
if( read_table_int(table->data, i, 0, db->bytes_per_strref) != table_id )
continue;
if( colinfo )
{
UINT id = read_table_int(table->data, i, 4, sizeof(USHORT));
UINT col = read_table_int(table->data, i, 2, sizeof(USHORT)) - (1<<15);
UINT id = read_table_int(table->data, i, _Columns_cols[2].offset, db->bytes_per_strref);
UINT col = read_table_int(table->data, i, _Columns_cols[1].offset, sizeof(USHORT)) - (1<<15);
/* check the column number is in range */
if (col<1 || col>maxcount)
@ -999,7 +1009,7 @@ static UINT get_tablecolumns( MSIDATABASE *db,
colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
colinfo[ col - 1 ].number = col;
colinfo[ col - 1 ].colname = msi_makestring( db, id );
colinfo[ col - 1 ].type = read_table_int(table->data, i, 6, sizeof(USHORT)) - (1<<15);
colinfo[ col - 1 ].type = read_table_int(table->data, i, _Columns_cols[3].offset, sizeof(USHORT)) - (1<<15);
colinfo[ col - 1 ].offset = 0;
colinfo[ col - 1 ].hash_table = NULL;
}
@ -1112,7 +1122,7 @@ static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *
data = tv->table->data;
n = bytes_per_column( &tv->columns[col-1] );
if (n != 2 && n != 4)
if (n != 2 && n != 3 && n != 4)
{
ERR("oops! what is %d bytes per column?\n", n );
return ERROR_FUNCTION_FAILED;
@ -1227,7 +1237,7 @@ static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
data = tv->table->data;
n = bytes_per_column( &tv->columns[col-1] );
if ( n != 2 && n != 4 )
if ( n != 2 && n != 3 && n != 4 )
{
ERR("oops! what is %d bytes per column?\n", n );
return ERROR_FUNCTION_FAILED;
@ -2053,7 +2063,7 @@ UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
TRACE("%p %p\n", db, stg );
strings = msi_load_string_table( stg );
strings = msi_load_string_table( stg, &db->bytes_per_strref );
if( !strings )
goto end;