diff options
Diffstat (limited to 'libmsi/table.c')
| -rw-r--r-- | libmsi/table.c | 2805 |
1 files changed, 2805 insertions, 0 deletions
diff --git a/libmsi/table.c b/libmsi/table.c new file mode 100644 index 0000000..93b0268 --- /dev/null +++ b/libmsi/table.c @@ -0,0 +1,2805 @@ +/* + * Implementation of the Microsoft Installer (msi.dll) + * + * Copyright 2002-2005 Mike McCormack for CodeWeavers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include <stdarg.h> +#include <assert.h> + +#define COBJMACROS +#define NONAMELESSUNION +#define NONAMELESSSTRUCT + +#include "windef.h" +#include "winbase.h" +#include "winerror.h" +#include "msi.h" +#include "msiquery.h" +#include "objbase.h" +#include "objidl.h" +#include "winnls.h" +#include "msipriv.h" +#include "query.h" + +#include "wine/debug.h" +#include "wine/unicode.h" + +WINE_DEFAULT_DEBUG_CHANNEL(msidb); + +#define MSITABLE_HASH_TABLE_SIZE 37 + +typedef struct tagMSICOLUMNHASHENTRY +{ + struct tagMSICOLUMNHASHENTRY *next; + UINT value; + UINT row; +} MSICOLUMNHASHENTRY; + +typedef struct tagMSICOLUMNINFO +{ + LPCWSTR tablename; + UINT number; + LPCWSTR colname; + UINT type; + UINT offset; + INT ref_count; + BOOL temporary; + MSICOLUMNHASHENTRY **hash_table; +} MSICOLUMNINFO; + +struct tagMSITABLE +{ + BYTE **data; + BOOL *data_persistent; + UINT row_count; + struct list entry; + MSICOLUMNINFO *colinfo; + UINT col_count; + MSICONDITION persistent; + INT ref_count; + WCHAR name[1]; +}; + +/* information for default tables */ +static const WCHAR szTables[] = {'_','T','a','b','l','e','s',0}; +static const WCHAR szTable[] = {'T','a','b','l','e',0}; +static const WCHAR szColumns[] = {'_','C','o','l','u','m','n','s',0}; +static const WCHAR szNumber[] = {'N','u','m','b','e','r',0}; +static const WCHAR szType[] = {'T','y','p','e',0}; + +static const MSICOLUMNINFO _Columns_cols[4] = { + { szColumns, 1, szTable, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL }, + { szColumns, 2, szNumber, MSITYPE_VALID | MSITYPE_KEY | 2, 2, 0, 0, NULL }, + { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4, 0, 0, NULL }, + { szColumns, 4, szType, MSITYPE_VALID | 2, 6, 0, 0, NULL }, +}; + +static const MSICOLUMNINFO _Tables_cols[1] = { + { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL }, +}; + +#define MAX_STREAM_NAME 0x1f + +static inline UINT bytes_per_column( MSIDATABASE *db, const MSICOLUMNINFO *col, UINT bytes_per_strref ) +{ + if( MSITYPE_IS_BINARY(col->type) ) + return 2; + + if( col->type & MSITYPE_STRING ) + return bytes_per_strref; + + if( (col->type & 0xff) <= 2) + return 2; + + if( (col->type & 0xff) != 4 ) + ERR("Invalid column size!\n"); + + return 4; +} + +static int utf2mime(int x) +{ + if( (x>='0') && (x<='9') ) + return x-'0'; + if( (x>='A') && (x<='Z') ) + return x-'A'+10; + if( (x>='a') && (x<='z') ) + return x-'a'+10+26; + if( x=='.' ) + return 10+26+26; + if( x=='_' ) + return 10+26+26+1; + return -1; +} + +LPWSTR encode_streamname(BOOL bTable, LPCWSTR in) +{ + DWORD count = MAX_STREAM_NAME; + DWORD ch, next; + LPWSTR out, p; + + if( !bTable ) + count = lstrlenW( in )+2; + if (!(out = msi_alloc( count*sizeof(WCHAR) ))) return NULL; + p = out; + + if( bTable ) + { + *p++ = 0x4840; + count --; + } + while( count -- ) + { + ch = *in++; + if( !ch ) + { + *p = ch; + return out; + } + if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) ) + { + ch = utf2mime(ch) + 0x4800; + next = *in; + if( next && (next<0x80) ) + { + next = utf2mime(next); + if( next != -1 ) + { + next += 0x3ffffc0; + ch += (next<<6); + in++; + } + } + } + *p++ = ch; + } + ERR("Failed to encode stream name (%s)\n",debugstr_w(in)); + msi_free( out ); + return NULL; +} + +static int mime2utf(int x) +{ + if( x<10 ) + return x + '0'; + if( x<(10+26)) + return x - 10 + 'A'; + if( x<(10+26+26)) + return x - 10 - 26 + 'a'; + if( x == (10+26+26) ) + return '.'; + return '_'; +} + +BOOL decode_streamname(LPCWSTR in, LPWSTR out) +{ + WCHAR ch; + DWORD count = 0; + + while ( (ch = *in++) ) + { + if( (ch >= 0x3800 ) && (ch < 0x4840 ) ) + { + if( ch >= 0x4800 ) + ch = mime2utf(ch-0x4800); + else + { + ch -= 0x3800; + *out++ = mime2utf(ch&0x3f); + count++; + ch = mime2utf((ch>>6)&0x3f); + } + } + *out++ = ch; + count++; + } + *out = 0; + return count; +} + +void enum_stream_names( IStorage *stg ) +{ + IEnumSTATSTG *stgenum = NULL; + HRESULT r; + STATSTG stat; + ULONG n, count; + WCHAR name[0x40]; + + r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum ); + if( FAILED( r ) ) + return; + + n = 0; + while( 1 ) + { + count = 0; + r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count ); + if( FAILED( r ) || !count ) + break; + decode_streamname( stat.pwcsName, name ); + TRACE("stream %2d -> %s %s\n", n, + debugstr_w(stat.pwcsName), debugstr_w(name) ); + CoTaskMemFree( stat.pwcsName ); + n++; + } + + IEnumSTATSTG_Release( stgenum ); +} + +UINT read_stream_data( IStorage *stg, LPCWSTR stname, BOOL table, + BYTE **pdata, UINT *psz ) +{ + HRESULT r; + UINT ret = ERROR_FUNCTION_FAILED; + VOID *data; + ULONG sz, count; + IStream *stm = NULL; + STATSTG stat; + LPWSTR encname; + + encname = encode_streamname(table, stname); + + TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname)); + + r = IStorage_OpenStream(stg, encname, NULL, + STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm); + msi_free( encname ); + if( FAILED( r ) ) + { + WARN("open stream failed r = %08x - empty table?\n", r); + return ret; + } + + r = IStream_Stat(stm, &stat, STATFLAG_NONAME ); + if( FAILED( r ) ) + { + WARN("open stream failed r = %08x!\n", r); + goto end; + } + + if( stat.cbSize.QuadPart >> 32 ) + { + WARN("Too big!\n"); + goto end; + } + + sz = stat.cbSize.QuadPart; + data = msi_alloc( sz ); + if( !data ) + { + WARN("couldn't allocate memory r=%08x!\n", r); + ret = ERROR_NOT_ENOUGH_MEMORY; + goto end; + } + + r = IStream_Read(stm, data, sz, &count ); + if( FAILED( r ) || ( count != sz ) ) + { + msi_free( data ); + WARN("read stream failed r = %08x!\n", r); + goto end; + } + + *pdata = data; + *psz = sz; + ret = ERROR_SUCCESS; + +end: + IStream_Release( stm ); + + return ret; +} + +UINT write_stream_data( IStorage *stg, LPCWSTR stname, + LPCVOID data, UINT sz, BOOL bTable ) +{ + HRESULT r; + UINT ret = ERROR_FUNCTION_FAILED; + ULONG count; + IStream *stm = NULL; + ULARGE_INTEGER size; + LARGE_INTEGER pos; + LPWSTR encname; + + encname = encode_streamname(bTable, stname ); + r = IStorage_OpenStream( stg, encname, NULL, + STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm); + if( FAILED(r) ) + { + r = IStorage_CreateStream( stg, encname, + STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm); + } + msi_free( encname ); + if( FAILED( r ) ) + { + WARN("open stream failed r = %08x\n", r); + return ret; + } + + size.QuadPart = sz; + r = IStream_SetSize( stm, size ); + if( FAILED( r ) ) + { + WARN("Failed to SetSize\n"); + goto end; + } + + pos.QuadPart = 0; + r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL ); + if( FAILED( r ) ) + { + WARN("Failed to Seek\n"); + goto end; + } + + if (sz) + { + r = IStream_Write(stm, data, sz, &count ); + if( FAILED( r ) || ( count != sz ) ) + { + WARN("Failed to Write\n"); + goto end; + } + } + + ret = ERROR_SUCCESS; + +end: + IStream_Release( stm ); + + return ret; +} + +static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count ) +{ + UINT i; + for (i = 0; i < count; i++) msi_free( colinfo[i].hash_table ); +} + +static void free_table( MSITABLE *table ) +{ + UINT i; + for( i=0; i<table->row_count; i++ ) + msi_free( table->data[i] ); + msi_free( table->data ); + msi_free( table->data_persistent ); + msi_free_colinfo( table->colinfo, table->col_count ); + msi_free( table->colinfo ); + msi_free( table ); +} + +static UINT msi_table_get_row_size( MSIDATABASE *db, const MSICOLUMNINFO *cols, UINT count, UINT bytes_per_strref ) +{ + const MSICOLUMNINFO *last_col; + + if (!count) + return 0; + + if (bytes_per_strref != LONG_STR_BYTES) + { + UINT i, size = 0; + for (i = 0; i < count; i++) size += bytes_per_column( db, &cols[i], bytes_per_strref ); + return size; + } + last_col = &cols[count - 1]; + return last_col->offset + bytes_per_column( db, last_col, bytes_per_strref ); +} + +/* add this table to the list of cached tables in the database */ +static UINT read_table_from_storage( MSIDATABASE *db, MSITABLE *t, IStorage *stg ) +{ + BYTE *rawdata = NULL; + UINT rawsize = 0, i, j, row_size, row_size_mem; + + TRACE("%s\n",debugstr_w(t->name)); + + row_size = msi_table_get_row_size( db, t->colinfo, t->col_count, db->bytes_per_strref ); + row_size_mem = msi_table_get_row_size( db, t->colinfo, t->col_count, LONG_STR_BYTES ); + + /* if we can't read the table, just assume that it's empty */ + read_stream_data( stg, t->name, TRUE, &rawdata, &rawsize ); + if( !rawdata ) + return ERROR_SUCCESS; + + TRACE("Read %d bytes\n", rawsize ); + + if( rawsize % row_size ) + { + WARN("Table size is invalid %d/%d\n", rawsize, row_size ); + goto err; + } + + t->row_count = rawsize / row_size; + t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) ); + if( !t->data ) + goto err; + t->data_persistent = msi_alloc_zero( t->row_count * sizeof(BOOL)); + if ( !t->data_persistent ) + goto err; + + /* transpose all the data */ + TRACE("Transposing data from %d rows\n", t->row_count ); + for (i = 0; i < t->row_count; i++) + { + UINT ofs = 0, ofs_mem = 0; + + t->data[i] = msi_alloc( row_size_mem ); + if( !t->data[i] ) + goto err; + t->data_persistent[i] = TRUE; + + for (j = 0; j < t->col_count; j++) + { + UINT m = bytes_per_column( db, &t->colinfo[j], LONG_STR_BYTES ); + UINT n = bytes_per_column( db, &t->colinfo[j], db->bytes_per_strref ); + UINT k; + + if ( n != 2 && n != 3 && n != 4 ) + { + ERR("oops - unknown column width %d\n", n); + goto err; + } + if (t->colinfo[j].type & MSITYPE_STRING && n < m) + { + for (k = 0; k < m; k++) + { + if (k < n) + t->data[i][ofs_mem + k] = rawdata[ofs * t->row_count + i * n + k]; + else + t->data[i][ofs_mem + k] = 0; + } + } + else + { + for (k = 0; k < n; k++) + t->data[i][ofs_mem + k] = rawdata[ofs * t->row_count + i * n + k]; + } + ofs_mem += m; + ofs += n; + } + } + + msi_free( rawdata ); + return ERROR_SUCCESS; +err: + msi_free( rawdata ); + return ERROR_FUNCTION_FAILED; +} + +void free_cached_tables( MSIDATABASE *db ) +{ + while( !list_empty( &db->tables ) ) + { + MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry ); + + list_remove( &t->entry ); + free_table( t ); + } +} + +static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name ) +{ + MSITABLE *t; + + LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry ) + if( !strcmpW( name, t->name ) ) + return t; + + return NULL; +} + +static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo, DWORD count ) +{ + DWORD i; + + for (i = 0; colinfo && i < count; i++) + { + assert( i + 1 == colinfo[i].number ); + if (i) colinfo[i].offset = colinfo[i - 1].offset + + bytes_per_column( db, &colinfo[i - 1], LONG_STR_BYTES ); + else colinfo[i].offset = 0; + + TRACE("column %d is [%s] with type %08x ofs %d\n", + colinfo[i].number, debugstr_w(colinfo[i].colname), + colinfo[i].type, colinfo[i].offset); + } +} + +static UINT get_defaulttablecolumns( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO *colinfo, UINT *sz ) +{ + const MSICOLUMNINFO *p; + DWORD i, n; + + TRACE("%s\n", debugstr_w(name)); + + if (!strcmpW( name, szTables )) + { + p = _Tables_cols; + n = 1; + } + else if (!strcmpW( name, szColumns )) + { + p = _Columns_cols; + n = 4; + } + else return ERROR_FUNCTION_FAILED; + + for (i = 0; i < n; i++) + { + if (colinfo && i < *sz) colinfo[i] = p[i]; + if (colinfo && i >= *sz) break; + } + table_calc_column_offsets( db, colinfo, n ); + *sz = n; + return ERROR_SUCCESS; +} + +static UINT get_tablecolumns( MSIDATABASE *db, LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz ); + +static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount ) +{ + UINT r, column_count = 0; + MSICOLUMNINFO *columns; + + /* get the number of columns in this table */ + column_count = 0; + r = get_tablecolumns( db, name, NULL, &column_count ); + if (r != ERROR_SUCCESS) + return r; + + *pcount = column_count; + + /* if there's no columns, there's no table */ + if (!column_count) + return ERROR_INVALID_PARAMETER; + + TRACE("table %s found\n", debugstr_w(name)); + + columns = msi_alloc( column_count * sizeof(MSICOLUMNINFO) ); + if (!columns) + return ERROR_FUNCTION_FAILED; + + r = get_tablecolumns( db, name, columns, &column_count ); + if (r != ERROR_SUCCESS) + { + msi_free( columns ); + return ERROR_FUNCTION_FAILED; + } + *pcols = columns; + return r; +} + +static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret ) +{ + MSITABLE *table; + UINT r; + + /* first, see if the table is cached */ + table = find_cached_table( db, name ); + if (table) + { + *table_ret = table; + return ERROR_SUCCESS; + } + + /* nonexistent tables should be interpreted as empty tables */ + table = msi_alloc( sizeof(MSITABLE) + lstrlenW( name ) * sizeof(WCHAR) ); + if (!table) + return ERROR_FUNCTION_FAILED; + + table->row_count = 0; + table->data = NULL; + table->data_persistent = NULL; + table->colinfo = NULL; + table->col_count = 0; + table->persistent = MSICONDITION_TRUE; + lstrcpyW( table->name, name ); + + if (!strcmpW( name, szTables ) || !strcmpW( name, szColumns )) + table->persistent = MSICONDITION_NONE; + + r = table_get_column_info( db, name, &table->colinfo, &table->col_count ); + if (r != ERROR_SUCCESS) + { + free_table( table ); + return r; + } + r = read_table_from_storage( db, table, db->storage ); + if (r != ERROR_SUCCESS) + { + free_table( table ); + return r; + } + list_add_head( &db->tables, &table->entry ); + *table_ret = table; + return ERROR_SUCCESS; +} + +static UINT read_table_int( BYTE *const *data, UINT row, UINT col, UINT bytes ) +{ + UINT ret = 0, i; + + for (i = 0; i < bytes; i++) + ret += data[row][col + i] << i * 8; + + return ret; +} + +static UINT get_tablecolumns( MSIDATABASE *db, LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz ) +{ + UINT r, i, n = 0, table_id, count, maxcount = *sz; + MSITABLE *table = NULL; + + TRACE("%s\n", debugstr_w(szTableName)); + + /* first check if there is a default table with that name */ + r = get_defaulttablecolumns( db, szTableName, colinfo, sz ); + if (r == ERROR_SUCCESS && *sz) + return r; + + r = get_table( db, szColumns, &table ); + if (r != ERROR_SUCCESS) + { + ERR("couldn't load _Columns table\n"); + return ERROR_FUNCTION_FAILED; + } + + /* convert table and column names to IDs from the string table */ + r = msi_string2idW( db->strings, szTableName, &table_id ); + if (r != ERROR_SUCCESS) + { + WARN("Couldn't find id for %s\n", debugstr_w(szTableName)); + return r; + } + TRACE("Table id is %d, row count is %d\n", table_id, table->row_count); + + /* Note: _Columns table doesn't have non-persistent data */ + + /* if maxcount is non-zero, assume it's exactly right for this table */ + memset( colinfo, 0, maxcount * sizeof(*colinfo) ); + count = table->row_count; + for (i = 0; i < count; i++) + { + if (read_table_int( table->data, i, 0, LONG_STR_BYTES) != table_id) continue; + if (colinfo) + { + UINT id = read_table_int( table->data, i, table->colinfo[2].offset, LONG_STR_BYTES ); + UINT col = read_table_int( table->data, i, table->colinfo[1].offset, sizeof(USHORT) ) - (1 << 15); + + /* check the column number is in range */ + if (col < 1 || col > maxcount) + { + ERR("column %d out of range\n", col); + continue; + } + /* check if this column was already set */ + if (colinfo[col - 1].number) + { + ERR("duplicate column %d\n", col); + continue; + } + colinfo[col - 1].tablename = msi_string_lookup_id( db->strings, table_id ); + colinfo[col - 1].number = col; + colinfo[col - 1].colname = msi_string_lookup_id( db->strings, id ); + colinfo[col - 1].type = read_table_int( table->data, i, table->colinfo[3].offset, + sizeof(USHORT) ) - (1 << 15); + colinfo[col - 1].offset = 0; + colinfo[col - 1].ref_count = 0; + colinfo[col - 1].hash_table = NULL; + } + n++; + } + TRACE("%s has %d columns\n", debugstr_w(szTableName), n); + + if (colinfo && n != maxcount) + { + ERR("missing column in table %s\n", debugstr_w(szTableName)); + msi_free_colinfo( colinfo, maxcount ); + return ERROR_FUNCTION_FAILED; + } + table_calc_column_offsets( db, colinfo, n ); + *sz = n; + return ERROR_SUCCESS; +} + +UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info, + MSICONDITION persistent ) +{ + enum StringPersistence string_persistence = (persistent) ? StringPersistent : StringNonPersistent; + UINT r, nField; + MSIVIEW *tv = NULL; + MSIRECORD *rec = NULL; + column_info *col; + MSITABLE *table; + UINT i; + + /* only add tables that don't exist already */ + if( TABLE_Exists(db, name ) ) + { + WARN("table %s exists\n", debugstr_w(name)); + return ERROR_BAD_QUERY_SYNTAX; + } + + table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) ); + if( !table ) + return ERROR_FUNCTION_FAILED; + + table->ref_count = 1; + table->row_count = 0; + table->data = NULL; + table->data_persistent = NULL; + table->colinfo = NULL; + table->col_count = 0; + table->persistent = persistent; + lstrcpyW( table->name, name ); + + for( col = col_info; col; col = col->next ) + table->col_count++; + + table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) ); + if (!table->colinfo) + { + free_table( table ); + return ERROR_FUNCTION_FAILED; + } + + for( i = 0, col = col_info; col; i++, col = col->next ) + { + UINT table_id = msi_addstringW( db->strings, col->table, -1, 1, string_persistence ); + UINT col_id = msi_addstringW( db->strings, col->column, -1, 1, string_persistence ); + + table->colinfo[ i ].tablename = msi_string_lookup_id( db->strings, table_id ); + table->colinfo[ i ].number = i + 1; + table->colinfo[ i ].colname = msi_string_lookup_id( db->strings, col_id ); + table->colinfo[ i ].type = col->type; + table->colinfo[ i ].offset = 0; + table->colinfo[ i ].ref_count = 0; + table->colinfo[ i ].hash_table = NULL; + table->colinfo[ i ].temporary = col->temporary; + } + table_calc_column_offsets( db, table->colinfo, table->col_count); + + r = TABLE_CreateView( db, szTables, &tv ); + TRACE("CreateView returned %x\n", r); + if( r ) + { + free_table( table ); + return r; + } + + r = tv->ops->execute( tv, 0 ); + TRACE("tv execute returned %x\n", r); + if( r ) + goto err; + + rec = MSI_CreateRecord( 1 ); + if( !rec ) + goto err; + + r = MSI_RecordSetStringW( rec, 1, name ); + if( r ) + goto err; + + r = tv->ops->insert_row( tv, rec, -1, persistent == MSICONDITION_FALSE ); + TRACE("insert_row returned %x\n", r); + if( r ) + goto err; + + tv->ops->delete( tv ); + tv = NULL; + + msiobj_release( &rec->hdr ); + rec = NULL; + + if( persistent != MSICONDITION_FALSE ) + { + /* add each column to the _Columns table */ + r = TABLE_CreateView( db, szColumns, &tv ); + if( r ) + return r; + + r = tv->ops->execute( tv, 0 ); + TRACE("tv execute returned %x\n", r); + if( r ) + goto err; + + rec = MSI_CreateRecord( 4 ); + if( !rec ) + goto err; + + r = MSI_RecordSetStringW( rec, 1, name ); + if( r ) + goto err; + + /* + * need to set the table, column number, col name and type + * for each column we enter in the table + */ + nField = 1; + for( col = col_info; col; col = col->next ) + { + r = MSI_RecordSetInteger( rec, 2, nField ); + if( r ) + goto err; + + r = MSI_RecordSetStringW( rec, 3, col->column ); + if( r ) + goto err; + + r = MSI_RecordSetInteger( rec, 4, col->type ); + if( r ) + goto err; + + r = tv->ops->insert_row( tv, rec, -1, FALSE ); + if( r ) + goto err; + + nField++; + } + if( !col ) + r = ERROR_SUCCESS; + } + +err: + if (rec) + msiobj_release( &rec->hdr ); + /* FIXME: remove values from the string table on error */ + if( tv ) + tv->ops->delete( tv ); + + if (r == ERROR_SUCCESS) + list_add_head( &db->tables, &table->entry ); + else + free_table( table ); + + return r; +} + +static UINT save_table( MSIDATABASE *db, const MSITABLE *t, UINT bytes_per_strref ) +{ + BYTE *rawdata = NULL; + UINT rawsize, i, j, row_size, row_count; + UINT r = ERROR_FUNCTION_FAILED; + + /* Nothing to do for non-persistent tables */ + if( t->persistent == MSICONDITION_FALSE ) + return ERROR_SUCCESS; + + TRACE("Saving %s\n", debugstr_w( t->name ) ); + + row_size = msi_table_get_row_size( db, t->colinfo, t->col_count, bytes_per_strref ); + row_count = t->row_count; + for (i = 0; i < t->row_count; i++) + { + if (!t->data_persistent[i]) + { + row_count = 1; /* yes, this is bizarre */ + break; + } + } + rawsize = row_count * row_size; + rawdata = msi_alloc_zero( rawsize ); + if( !rawdata ) + { + r = ERROR_NOT_ENOUGH_MEMORY; + goto err; + } + + rawsize = 0; + for (i = 0; i < t->row_count; i++) + { + UINT ofs = 0, ofs_mem = 0; + + if (!t->data_persistent[i]) break; + + for (j = 0; j < t->col_count; j++) + { + UINT m = bytes_per_column( db, &t->colinfo[j], LONG_STR_BYTES ); + UINT n = bytes_per_column( db, &t->colinfo[j], bytes_per_strref ); + UINT k; + + if (n != 2 && n != 3 && n != 4) + { + ERR("oops - unknown column width %d\n", n); + goto err; + } + if (t->colinfo[j].type & MSITYPE_STRING && n < m) + { + UINT id = read_table_int( t->data, i, ofs_mem, LONG_STR_BYTES ); + if (id > 1 << bytes_per_strref * 8) + { + ERR("string id %u out of range\n", id); + goto err; + } + } + for (k = 0; k < n; k++) + { + rawdata[ofs * row_count + i * n + k] = t->data[i][ofs_mem + k]; + } + ofs_mem += m; + ofs += n; + } + rawsize += row_size; + } + + TRACE("writing %d bytes\n", rawsize); + r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE ); + +err: + msi_free( rawdata ); + return r; +} + +static void msi_update_table_columns( MSIDATABASE *db, LPCWSTR name ) +{ + MSITABLE *table; + UINT size, offset, old_count; + UINT n; + + table = find_cached_table( db, name ); + old_count = table->col_count; + msi_free_colinfo( table->colinfo, table->col_count ); + msi_free( table->colinfo ); + table->colinfo = NULL; + + table_get_column_info( db, name, &table->colinfo, &table->col_count ); + if (!table->col_count) return; + + size = msi_table_get_row_size( db, table->colinfo, table->col_count, LONG_STR_BYTES ); + offset = table->colinfo[table->col_count - 1].offset; + + for ( n = 0; n < table->row_count; n++ ) + { + table->data[n] = msi_realloc( table->data[n], size ); + if (old_count < table->col_count) + memset( &table->data[n][offset], 0, size - offset ); + } +} + +/* try to find the table name in the _Tables table */ +BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name ) +{ + UINT r, table_id, i; + MSITABLE *table; + + if( !strcmpW( name, szTables ) || !strcmpW( name, szColumns ) || + !strcmpW( name, szStreams ) || !strcmpW( name, szStorages ) ) + return TRUE; + + r = msi_string2idW( db->strings, name, &table_id ); + if( r != ERROR_SUCCESS ) + { + TRACE("Couldn't find id for %s\n", debugstr_w(name)); + return FALSE; + } + + r = get_table( db, szTables, &table ); + if( r != ERROR_SUCCESS ) + { + ERR("table %s not available\n", debugstr_w(szTables)); + return FALSE; + } + + for( i = 0; i < table->row_count; i++ ) + { + if( read_table_int( table->data, i, 0, LONG_STR_BYTES ) == table_id ) + return TRUE; + } + + return FALSE; +} + +/* below is the query interface to a table */ + +typedef struct tagMSITABLEVIEW +{ + MSIVIEW view; + MSIDATABASE *db; + MSITABLE *table; + MSICOLUMNINFO *columns; + UINT num_cols; + UINT row_size; + WCHAR name[1]; +} MSITABLEVIEW; + +static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + UINT offset, n; + + if( !tv->table ) + return ERROR_INVALID_PARAMETER; + + if( (col==0) || (col>tv->num_cols) ) + return ERROR_INVALID_PARAMETER; + + /* how many rows are there ? */ + if( row >= tv->table->row_count ) + return ERROR_NO_MORE_ITEMS; + + if( tv->columns[col-1].offset >= tv->row_size ) + { + ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size ); + ERR("%p %p\n", tv, tv->columns ); + return ERROR_FUNCTION_FAILED; + } + + n = bytes_per_column( tv->db, &tv->columns[col - 1], LONG_STR_BYTES ); + if (n != 2 && n != 3 && n != 4) + { + ERR("oops! what is %d bytes per column?\n", n ); + return ERROR_FUNCTION_FAILED; + } + + offset = tv->columns[col-1].offset; + *val = read_table_int(tv->table->data, row, offset, n); + + /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */ + + return ERROR_SUCCESS; +} + +static UINT msi_stream_name( const MSITABLEVIEW *tv, UINT row, LPWSTR *pstname ) +{ + LPWSTR p, stname = NULL; + UINT i, r, type, ival; + DWORD len; + LPCWSTR sval; + MSIVIEW *view = (MSIVIEW *) tv; + + TRACE("%p %d\n", tv, row); + + len = lstrlenW( tv->name ) + 1; + stname = msi_alloc( len*sizeof(WCHAR) ); + if ( !stname ) + { + r = ERROR_OUTOFMEMORY; + goto err; + } + + lstrcpyW( stname, tv->name ); + + for ( i = 0; i < tv->num_cols; i++ ) + { + type = tv->columns[i].type; + if ( type & MSITYPE_KEY ) + { + WCHAR number[0x20]; + + r = TABLE_fetch_int( view, row, i+1, &ival ); + if ( r != ERROR_SUCCESS ) + goto err; + + if ( tv->columns[i].type & MSITYPE_STRING ) + { + sval = msi_string_lookup_id( tv->db->strings, ival ); + if ( !sval ) + { + r = ERROR_INVALID_PARAMETER; + goto err; + } + } + else + { + static const WCHAR fmt[] = { '%','d',0 }; + UINT n = bytes_per_column( tv->db, &tv->columns[i], LONG_STR_BYTES ); + + switch( n ) + { + case 2: + sprintfW( number, fmt, ival-0x8000 ); + break; + case 4: + sprintfW( number, fmt, ival^0x80000000 ); + break; + default: + ERR( "oops - unknown column width %d\n", n ); + r = ERROR_FUNCTION_FAILED; + goto err; + } + sval = number; + } + + len += lstrlenW( szDot ) + lstrlenW( sval ); + p = msi_realloc ( stname, len*sizeof(WCHAR) ); + if ( !p ) + { + r = ERROR_OUTOFMEMORY; + goto err; + } + stname = p; + + lstrcatW( stname, szDot ); + lstrcatW( stname, sval ); + } + else + continue; + } + + *pstname = stname; + return ERROR_SUCCESS; + +err: + msi_free( stname ); + *pstname = NULL; + return r; +} + +/* + * We need a special case for streams, as we need to reference column with + * the name of the stream in the same table, and the table name + * which may not be available at higher levels of the query + */ +static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + UINT r; + LPWSTR encname, full_name = NULL; + + if( !view->ops->fetch_int ) + return ERROR_INVALID_PARAMETER; + + r = msi_stream_name( tv, row, &full_name ); + if ( r != ERROR_SUCCESS ) + { + ERR("fetching stream, error = %d\n", r); + return r; + } + + encname = encode_streamname( FALSE, full_name ); + r = msi_get_raw_stream( tv->db, encname, stm ); + if( r ) + ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r); + + msi_free( full_name ); + msi_free( encname ); + return r; +} + +static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val ) +{ + UINT offset, n, i; + + if( !tv->table ) + return ERROR_INVALID_PARAMETER; + + if( (col==0) || (col>tv->num_cols) ) + return ERROR_INVALID_PARAMETER; + + if( row >= tv->table->row_count ) + return ERROR_INVALID_PARAMETER; + + if( tv->columns[col-1].offset >= tv->row_size ) + { + ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size ); + ERR("%p %p\n", tv, tv->columns ); + return ERROR_FUNCTION_FAILED; + } + + msi_free( tv->columns[col-1].hash_table ); + tv->columns[col-1].hash_table = NULL; + + n = bytes_per_column( tv->db, &tv->columns[col - 1], LONG_STR_BYTES ); + if ( n != 2 && n != 3 && n != 4 ) + { + ERR("oops! what is %d bytes per column?\n", n ); + return ERROR_FUNCTION_FAILED; + } + + offset = tv->columns[col-1].offset; + for ( i = 0; i < n; i++ ) + tv->table->data[row][offset + i] = (val >> i * 8) & 0xff; + + return ERROR_SUCCESS; +} + +static UINT TABLE_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW *)view; + + if (!tv->table) + return ERROR_INVALID_PARAMETER; + + return msi_view_get_row(tv->db, view, row, rec); +} + +static UINT msi_addstreamW( MSIDATABASE *db, LPCWSTR name, IStream *data ) +{ + static const WCHAR insert[] = { + 'I','N','S','E','R','T',' ','I','N','T','O',' ', + '`','_','S','t','r','e','a','m','s','`',' ', + '(','`','N','a','m','e','`',',','`','D','a','t','a','`',')',' ', + 'V','A','L','U','E','S',' ','(','?',',','?',')',0}; + MSIQUERY *query = NULL; + MSIRECORD *rec; + UINT r; + + TRACE("%p %s %p\n", db, debugstr_w(name), data); + + rec = MSI_CreateRecord( 2 ); + if ( !rec ) + return ERROR_OUTOFMEMORY; + + r = MSI_RecordSetStringW( rec, 1, name ); + if ( r != ERROR_SUCCESS ) + goto err; + + r = MSI_RecordSetIStream( rec, 2, data ); + if ( r != ERROR_SUCCESS ) + goto err; + + r = MSI_DatabaseOpenViewW( db, insert, &query ); + if ( r != ERROR_SUCCESS ) + goto err; + + r = MSI_ViewExecute( query, rec ); + +err: + msiobj_release( &query->hdr ); + msiobj_release( &rec->hdr ); + return r; +} + +static UINT get_table_value_from_record( MSITABLEVIEW *tv, MSIRECORD *rec, UINT iField, UINT *pvalue ) +{ + MSICOLUMNINFO columninfo; + UINT r; + + if ( (iField <= 0) || + (iField > tv->num_cols) || + MSI_RecordIsNull( rec, iField ) ) + return ERROR_FUNCTION_FAILED; + + columninfo = tv->columns[ iField - 1 ]; + + if ( MSITYPE_IS_BINARY(columninfo.type) ) + { + *pvalue = 1; /* refers to the first key column */ + } + else if ( columninfo.type & MSITYPE_STRING ) + { + LPCWSTR sval = MSI_RecordGetString( rec, iField ); + if (sval) + { + r = msi_string2idW(tv->db->strings, sval, pvalue); + if (r != ERROR_SUCCESS) + return ERROR_NOT_FOUND; + } + else *pvalue = 0; + } + else if ( bytes_per_column( tv->db, &columninfo, LONG_STR_BYTES ) == 2 ) + { + *pvalue = 0x8000 + MSI_RecordGetInteger( rec, iField ); + if ( *pvalue & 0xffff0000 ) + { + ERR("field %u value %d out of range\n", iField, *pvalue - 0x8000); + return ERROR_FUNCTION_FAILED; + } + } + else + { + INT ival = MSI_RecordGetInteger( rec, iField ); + *pvalue = ival ^ 0x80000000; + } + + return ERROR_SUCCESS; +} + +static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + UINT i, val, r = ERROR_SUCCESS; + + if ( !tv->table ) + return ERROR_INVALID_PARAMETER; + + /* test if any of the mask bits are invalid */ + if ( mask >= (1<<tv->num_cols) ) + return ERROR_INVALID_PARAMETER; + + for ( i = 0; i < tv->num_cols; i++ ) + { + BOOL persistent; + + /* only update the fields specified in the mask */ + if ( !(mask&(1<<i)) ) + continue; + + persistent = (tv->table->persistent != MSICONDITION_FALSE) && + (tv->table->data_persistent[row]); + /* FIXME: should we allow updating keys? */ + + val = 0; + if ( !MSI_RecordIsNull( rec, i + 1 ) ) + { + r = get_table_value_from_record (tv, rec, i + 1, &val); + if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) ) + { + IStream *stm; + LPWSTR stname; + + if ( r != ERROR_SUCCESS ) + return ERROR_FUNCTION_FAILED; + + r = MSI_RecordGetIStream( rec, i + 1, &stm ); + if ( r != ERROR_SUCCESS ) + return r; + + r = msi_stream_name( tv, row, &stname ); + if ( r != ERROR_SUCCESS ) + { + IStream_Release( stm ); + return r; + } + + r = msi_addstreamW( tv->db, stname, stm ); + IStream_Release( stm ); + msi_free ( stname ); + + if ( r != ERROR_SUCCESS ) + return r; + } + else if ( tv->columns[i].type & MSITYPE_STRING ) + { + UINT x; + + if ( r != ERROR_SUCCESS ) + { + LPCWSTR sval = MSI_RecordGetString( rec, i + 1 ); + val = msi_addstringW( tv->db->strings, sval, -1, 1, + persistent ? StringPersistent : StringNonPersistent ); + } + else + { + TABLE_fetch_int(&tv->view, row, i + 1, &x); + if (val == x) + continue; + } + } + else + { + if ( r != ERROR_SUCCESS ) + return ERROR_FUNCTION_FAILED; + } + } + + r = TABLE_set_int( tv, row, i+1, val ); + if ( r != ERROR_SUCCESS ) + break; + } + return r; +} + +static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + BYTE **p, *row; + BOOL *b; + UINT sz; + BYTE ***data_ptr; + BOOL **data_persist_ptr; + UINT *row_count; + + TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE"); + + if( !tv->table ) + return ERROR_INVALID_PARAMETER; + + row = msi_alloc_zero( tv->row_size ); + if( !row ) + return ERROR_NOT_ENOUGH_MEMORY; + + row_count = &tv->table->row_count; + data_ptr = &tv->table->data; + data_persist_ptr = &tv->table->data_persistent; + if (*num == -1) + *num = tv->table->row_count; + + sz = (*row_count + 1) * sizeof (BYTE*); + if( *data_ptr ) + p = msi_realloc( *data_ptr, sz ); + else + p = msi_alloc( sz ); + if( !p ) + { + msi_free( row ); + return ERROR_NOT_ENOUGH_MEMORY; + } + + sz = (*row_count + 1) * sizeof (BOOL); + if( *data_persist_ptr ) + b = msi_realloc( *data_persist_ptr, sz ); + else + b = msi_alloc( sz ); + if( !b ) + { + msi_free( row ); + msi_free( p ); + return ERROR_NOT_ENOUGH_MEMORY; + } + + *data_ptr = p; + (*data_ptr)[*row_count] = row; + + *data_persist_ptr = b; + (*data_persist_ptr)[*row_count] = !temporary; + + (*row_count)++; + + return ERROR_SUCCESS; +} + +static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + + TRACE("%p %p\n", tv, record); + + TRACE("There are %d columns\n", tv->num_cols ); + + return ERROR_SUCCESS; +} + +static UINT TABLE_close( struct tagMSIVIEW *view ) +{ + TRACE("%p\n", view ); + + return ERROR_SUCCESS; +} + +static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + + TRACE("%p %p %p\n", view, rows, cols ); + + if( cols ) + *cols = tv->num_cols; + if( rows ) + { + if( !tv->table ) + return ERROR_INVALID_PARAMETER; + *rows = tv->table->row_count; + } + + return ERROR_SUCCESS; +} + +static UINT TABLE_get_column_info( struct tagMSIVIEW *view, + UINT n, LPCWSTR *name, UINT *type, BOOL *temporary, + LPCWSTR *table_name ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + + TRACE("%p %d %p %p\n", tv, n, name, type ); + + if( ( n == 0 ) || ( n > tv->num_cols ) ) + return ERROR_INVALID_PARAMETER; + + if( name ) + { + *name = tv->columns[n-1].colname; + if( !*name ) + return ERROR_FUNCTION_FAILED; + } + + if( table_name ) + { + *table_name = tv->columns[n-1].tablename; + if( !*table_name ) + return ERROR_FUNCTION_FAILED; + } + + if( type ) + *type = tv->columns[n-1].type; + + if( temporary ) + *temporary = tv->columns[n-1].temporary; + + return ERROR_SUCCESS; +} + +static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row, UINT *column ); + +static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *column ) +{ + UINT r, row, i; + + /* check there's no null values where they're not allowed */ + for( i = 0; i < tv->num_cols; i++ ) + { + if ( tv->columns[i].type & MSITYPE_NULLABLE ) + continue; + + if ( MSITYPE_IS_BINARY(tv->columns[i].type) ) + TRACE("skipping binary column\n"); + else if ( tv->columns[i].type & MSITYPE_STRING ) + { + LPCWSTR str; + + str = MSI_RecordGetString( rec, i+1 ); + if (str == NULL || str[0] == 0) + { + if (column) *column = i; + return ERROR_INVALID_DATA; + } + } + else + { + UINT n; + + n = MSI_RecordGetInteger( rec, i+1 ); + if (n == MSI_NULL_INTEGER) + { + if (column) *column = i; + return ERROR_INVALID_DATA; + } + } + } + + /* check there's no duplicate keys */ + r = msi_table_find_row( tv, rec, &row, column ); + if (r == ERROR_SUCCESS) + return ERROR_FUNCTION_FAILED; + + return ERROR_SUCCESS; +} + +static int compare_record( MSITABLEVIEW *tv, UINT row, MSIRECORD *rec ) +{ + UINT r, i, ivalue, x; + + for (i = 0; i < tv->num_cols; i++ ) + { + if (!(tv->columns[i].type & MSITYPE_KEY)) continue; + + r = get_table_value_from_record( tv, rec, i + 1, &ivalue ); + if (r != ERROR_SUCCESS) + return 1; + + r = TABLE_fetch_int( &tv->view, row, i + 1, &x ); + if (r != ERROR_SUCCESS) + { + WARN("TABLE_fetch_int should not fail here %u\n", r); + return -1; + } + if (ivalue > x) + { + return 1; + } + else if (ivalue == x) + { + if (i < tv->num_cols - 1) continue; + return 0; + } + else + return -1; + } + return 1; +} + +static int find_insert_index( MSITABLEVIEW *tv, MSIRECORD *rec ) +{ + int idx, c, low = 0, high = tv->table->row_count - 1; + + TRACE("%p %p\n", tv, rec); + + while (low <= high) + { + idx = (low + high) / 2; + c = compare_record( tv, idx, rec ); + + if (c < 0) + high = idx - 1; + else if (c > 0) + low = idx + 1; + else + { + TRACE("found %u\n", idx); + return idx; + } + } + TRACE("found %u\n", high + 1); + return high + 1; +} + +static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + UINT i, r; + + TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" ); + + /* check that the key is unique - can we find a matching row? */ + r = table_validate_new( tv, rec, NULL ); + if( r != ERROR_SUCCESS ) + return ERROR_FUNCTION_FAILED; + + if (row == -1) + row = find_insert_index( tv, rec ); + + r = table_create_new_row( view, &row, temporary ); + TRACE("insert_row returned %08x\n", r); + if( r != ERROR_SUCCESS ) + return r; + + /* shift the rows to make room for the new row */ + for (i = tv->table->row_count - 1; i > row; i--) + { + memmove(&(tv->table->data[i][0]), + &(tv->table->data[i - 1][0]), tv->row_size); + tv->table->data_persistent[i] = tv->table->data_persistent[i - 1]; + } + + /* Re-set the persistence flag */ + tv->table->data_persistent[row] = !temporary; + return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 ); +} + +static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + UINT r, num_rows, num_cols, i; + + TRACE("%p %d\n", tv, row); + + if ( !tv->table ) + return ERROR_INVALID_PARAMETER; + + r = TABLE_get_dimensions( view, &num_rows, &num_cols ); + if ( r != ERROR_SUCCESS ) + return r; + + if ( row >= num_rows ) + return ERROR_FUNCTION_FAILED; + + num_rows = tv->table->row_count; + tv->table->row_count--; + + /* reset the hash tables */ + for (i = 0; i < tv->num_cols; i++) + { + msi_free( tv->columns[i].hash_table ); + tv->columns[i].hash_table = NULL; + } + + for (i = row + 1; i < num_rows; i++) + { + memcpy(tv->table->data[i - 1], tv->table->data[i], tv->row_size); + tv->table->data_persistent[i - 1] = tv->table->data_persistent[i]; + } + + msi_free(tv->table->data[num_rows - 1]); + + return ERROR_SUCCESS; +} + +static UINT msi_table_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW *)view; + UINT r, new_row; + + /* FIXME: MsiViewFetch should set rec index 0 to some ID that + * sets the fetched record apart from other records + */ + + if (!tv->table) + return ERROR_INVALID_PARAMETER; + + r = msi_table_find_row(tv, rec, &new_row, NULL); + if (r != ERROR_SUCCESS) + { + ERR("can't find row to modify\n"); + return ERROR_FUNCTION_FAILED; + } + + /* the row cannot be changed */ + if (row != new_row + 1) + return ERROR_FUNCTION_FAILED; + + return TABLE_set_row(view, new_row, rec, (1 << tv->num_cols) - 1); +} + +static UINT msi_table_assign(struct tagMSIVIEW *view, MSIRECORD *rec) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW *)view; + UINT r, row; + + if (!tv->table) + return ERROR_INVALID_PARAMETER; + + r = msi_table_find_row(tv, rec, &row, NULL); + if (r == ERROR_SUCCESS) + return TABLE_set_row(view, row, rec, (1 << tv->num_cols) - 1); + else + return TABLE_insert_row( view, rec, -1, FALSE ); +} + +static UINT modify_delete_row( struct tagMSIVIEW *view, MSIRECORD *rec ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW *)view; + UINT row, r; + + r = msi_table_find_row(tv, rec, &row, NULL); + if (r != ERROR_SUCCESS) + return r; + + return TABLE_delete_row(view, row); +} + +static UINT msi_refresh_record( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row ) +{ + MSIRECORD *curr; + UINT r, i, count; + + r = TABLE_get_row(view, row - 1, &curr); + if (r != ERROR_SUCCESS) + return r; + + /* Close the original record */ + MSI_CloseRecord(&rec->hdr); + + count = MSI_RecordGetFieldCount(rec); + for (i = 0; i < count; i++) + MSI_RecordCopyField(curr, i + 1, rec, i + 1); + + msiobj_release(&curr->hdr); + return ERROR_SUCCESS; +} + +static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode, + MSIRECORD *rec, UINT row) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + UINT r, frow, column; + + TRACE("%p %d %p\n", view, eModifyMode, rec ); + + switch (eModifyMode) + { + case MSIMODIFY_DELETE: + r = modify_delete_row( view, rec ); + break; + case MSIMODIFY_VALIDATE_NEW: + r = table_validate_new( tv, rec, &column ); + if (r != ERROR_SUCCESS) + { + tv->view.error = MSIDBERROR_DUPLICATEKEY; + tv->view.error_column = tv->columns[column].colname; + r = ERROR_INVALID_DATA; + } + break; + + case MSIMODIFY_INSERT: + r = table_validate_new( tv, rec, NULL ); + if (r != ERROR_SUCCESS) + break; + r = TABLE_insert_row( view, rec, -1, FALSE ); + break; + + case MSIMODIFY_INSERT_TEMPORARY: + r = table_validate_new( tv, rec, NULL ); + if (r != ERROR_SUCCESS) + break; + r = TABLE_insert_row( view, rec, -1, TRUE ); + break; + + case MSIMODIFY_REFRESH: + r = msi_refresh_record( view, rec, row ); + break; + + case MSIMODIFY_UPDATE: + r = msi_table_update( view, rec, row ); + break; + + case MSIMODIFY_ASSIGN: + r = msi_table_assign( view, rec ); + break; + + case MSIMODIFY_MERGE: + /* check row that matches this record */ + r = msi_table_find_row( tv, rec, &frow, &column ); + if (r != ERROR_SUCCESS) + { + r = table_validate_new( tv, rec, NULL ); + if (r == ERROR_SUCCESS) + r = TABLE_insert_row( view, rec, -1, FALSE ); + } + break; + + case MSIMODIFY_REPLACE: + case MSIMODIFY_VALIDATE: + case MSIMODIFY_VALIDATE_FIELD: + case MSIMODIFY_VALIDATE_DELETE: + FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec ); + r = ERROR_CALL_NOT_IMPLEMENTED; + break; + + default: + r = ERROR_INVALID_DATA; + } + + return r; +} + +static UINT TABLE_delete( struct tagMSIVIEW *view ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + + TRACE("%p\n", view ); + + tv->table = NULL; + tv->columns = NULL; + + msi_free( tv ); + + return ERROR_SUCCESS; +} + +static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col, + UINT val, UINT *row, MSIITERHANDLE *handle ) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + const MSICOLUMNHASHENTRY *entry; + + TRACE("%p, %d, %u, %p\n", view, col, val, *handle); + + if( !tv->table ) + return ERROR_INVALID_PARAMETER; + + if( (col==0) || (col > tv->num_cols) ) + return ERROR_INVALID_PARAMETER; + + if( !tv->columns[col-1].hash_table ) + { + UINT i; + UINT num_rows = tv->table->row_count; + MSICOLUMNHASHENTRY **hash_table; + MSICOLUMNHASHENTRY *new_entry; + + if( tv->columns[col-1].offset >= tv->row_size ) + { + ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size ); + ERR("%p %p\n", tv, tv->columns ); + return ERROR_FUNCTION_FAILED; + } + + /* allocate contiguous memory for the table and its entries so we + * don't have to do an expensive cleanup */ + hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) + + num_rows * sizeof(MSICOLUMNHASHENTRY)); + if (!hash_table) + return ERROR_OUTOFMEMORY; + + memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*)); + tv->columns[col-1].hash_table = hash_table; + + new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE); + + for (i = 0; i < num_rows; i++, new_entry++) + { + UINT row_value; + + if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS) + continue; + + new_entry->next = NULL; + new_entry->value = row_value; + new_entry->row = i; + if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE]) + { + MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE]; + while (prev_entry->next) + prev_entry = prev_entry->next; + prev_entry->next = new_entry; + } + else + hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry; + } + } + + if( !*handle ) + entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE]; + else + entry = (*handle)->next; + + while (entry && entry->value != val) + entry = entry->next; + + *handle = entry; + if (!entry) + return ERROR_NO_MORE_ITEMS; + + *row = entry->row; + + return ERROR_SUCCESS; +} + +static UINT TABLE_add_ref(struct tagMSIVIEW *view) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + UINT i; + + TRACE("%p %d\n", view, tv->table->ref_count); + + for (i = 0; i < tv->table->col_count; i++) + { + if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY) + InterlockedIncrement(&tv->table->colinfo[i].ref_count); + } + + return InterlockedIncrement(&tv->table->ref_count); +} + +static UINT TABLE_remove_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + MSIRECORD *rec = NULL; + MSIVIEW *columns = NULL; + UINT row, r; + + rec = MSI_CreateRecord(2); + if (!rec) + return ERROR_OUTOFMEMORY; + + MSI_RecordSetStringW(rec, 1, table); + MSI_RecordSetInteger(rec, 2, number); + + r = TABLE_CreateView(tv->db, szColumns, &columns); + if (r != ERROR_SUCCESS) + return r; + + r = msi_table_find_row((MSITABLEVIEW *)columns, rec, &row, NULL); + if (r != ERROR_SUCCESS) + goto done; + + r = TABLE_delete_row(columns, row); + if (r != ERROR_SUCCESS) + goto done; + + msi_update_table_columns(tv->db, table); + +done: + msiobj_release(&rec->hdr); + columns->ops->delete(columns); + return r; +} + +static UINT TABLE_release(struct tagMSIVIEW *view) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + INT ref = tv->table->ref_count; + UINT i, r; + + TRACE("%p %d\n", view, ref); + + for (i = 0; i < tv->table->col_count; i++) + { + if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY) + { + ref = InterlockedDecrement(&tv->table->colinfo[i].ref_count); + if (ref == 0) + { + r = TABLE_remove_column(view, tv->table->colinfo[i].tablename, + tv->table->colinfo[i].number); + if (r != ERROR_SUCCESS) + break; + } + } + } + + ref = InterlockedDecrement(&tv->table->ref_count); + if (ref == 0) + { + if (!tv->table->row_count) + { + list_remove(&tv->table->entry); + free_table(tv->table); + TABLE_delete(view); + } + } + + return ref; +} + +static UINT TABLE_add_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number, + LPCWSTR column, UINT type, BOOL hold) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + MSITABLE *msitable; + MSIRECORD *rec; + UINT r, i; + + rec = MSI_CreateRecord(4); + if (!rec) + return ERROR_OUTOFMEMORY; + + MSI_RecordSetStringW(rec, 1, table); + MSI_RecordSetInteger(rec, 2, number); + MSI_RecordSetStringW(rec, 3, column); + MSI_RecordSetInteger(rec, 4, type); + + r = TABLE_insert_row(&tv->view, rec, -1, FALSE); + if (r != ERROR_SUCCESS) + goto done; + + msi_update_table_columns(tv->db, table); + + if (!hold) + goto done; + + msitable = find_cached_table(tv->db, table); + for (i = 0; i < msitable->col_count; i++) + { + if (!strcmpW( msitable->colinfo[i].colname, column )) + { + InterlockedIncrement(&msitable->colinfo[i].ref_count); + break; + } + } + +done: + msiobj_release(&rec->hdr); + return r; +} + +static UINT TABLE_drop(struct tagMSIVIEW *view) +{ + MSITABLEVIEW *tv = (MSITABLEVIEW*)view; + MSIVIEW *tables = NULL; + MSIRECORD *rec = NULL; + UINT r, row; + INT i; + + TRACE("dropping table %s\n", debugstr_w(tv->name)); + + for (i = tv->table->col_count - 1; i >= 0; i--) + { + r = TABLE_remove_column(view, tv->table->colinfo[i].tablename, + tv->table->colinfo[i].number); + if (r != ERROR_SUCCESS) + return r; + } + + rec = MSI_CreateRecord(1); + if (!rec) + return ERROR_OUTOFMEMORY; + + MSI_RecordSetStringW(rec, 1, tv->name); + + r = TABLE_CreateView(tv->db, szTables, &tables); + if (r != ERROR_SUCCESS) + return r; + + r = msi_table_find_row((MSITABLEVIEW *)tables, rec, &row, NULL); + if (r != ERROR_SUCCESS) + goto done; + + r = TABLE_delete_row(tables, row); + if (r != ERROR_SUCCESS) + goto done; + + list_remove(&tv->table->entry); + free_table(tv->table); + +done: + msiobj_release(&rec->hdr); + tables->ops->delete(tables); + + return r; +} + +static const MSIVIEWOPS table_ops = +{ + TABLE_fetch_int, + TABLE_fetch_stream, + TABLE_get_row, + TABLE_set_row, + TABLE_insert_row, + TABLE_delete_row, + TABLE_execute, + TABLE_close, + TABLE_get_dimensions, + TABLE_get_column_info, + TABLE_modify, + TABLE_delete, + TABLE_find_matching_rows, + TABLE_add_ref, + TABLE_release, + TABLE_add_column, + TABLE_remove_column, + NULL, + TABLE_drop, +}; + +UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view ) +{ + MSITABLEVIEW *tv ; + UINT r, sz; + + TRACE("%p %s %p\n", db, debugstr_w(name), view ); + + if ( !strcmpW( name, szStreams ) ) + return STREAMS_CreateView( db, view ); + else if ( !strcmpW( name, szStorages ) ) + return STORAGES_CreateView( db, view ); + + sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ; + tv = msi_alloc_zero( sz ); + if( !tv ) + return ERROR_FUNCTION_FAILED; + + r = get_table( db, name, &tv->table ); + if( r != ERROR_SUCCESS ) + { + msi_free( tv ); + WARN("table not found\n"); + return r; + } + + TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count); + + /* fill the structure */ + tv->view.ops = &table_ops; + tv->db = db; + tv->columns = tv->table->colinfo; + tv->num_cols = tv->table->col_count; + tv->row_size = msi_table_get_row_size( db, tv->table->colinfo, tv->table->col_count, LONG_STR_BYTES ); + + TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size ); + + *view = (MSIVIEW*) tv; + lstrcpyW( tv->name, name ); + + return ERROR_SUCCESS; +} + +UINT MSI_CommitTables( MSIDATABASE *db ) +{ + UINT r, bytes_per_strref; + HRESULT hr; + MSITABLE *table = NULL; + + TRACE("%p\n",db); + + r = msi_save_string_table( db->strings, db->storage, &bytes_per_strref ); + if( r != ERROR_SUCCESS ) + { + WARN("failed to save string table r=%08x\n",r); + return r; + } + + LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry ) + { + r = save_table( db, table, bytes_per_strref ); + if( r != ERROR_SUCCESS ) + { + WARN("failed to save table %s (r=%08x)\n", + debugstr_w(table->name), r); + return r; + } + } + + hr = IStorage_Commit( db->storage, 0 ); + if (FAILED( hr )) + { + WARN("failed to commit changes 0x%08x\n", hr); + r = ERROR_FUNCTION_FAILED; + } + return r; +} + +MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table ) +{ + MSITABLE *t; + UINT r; + + TRACE("%p %s\n", db, debugstr_w(table)); + + if (!table) + return MSICONDITION_ERROR; + + r = get_table( db, table, &t ); + if (r != ERROR_SUCCESS) + return MSICONDITION_NONE; + + return t->persistent; +} + +static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes) +{ + UINT ret = 0, i; + + for (i = 0; i < bytes; i++) + ret += (data[col + i] << i * 8); + + return ret; +} + +static UINT msi_record_encoded_stream_name( const MSITABLEVIEW *tv, MSIRECORD *rec, LPWSTR *pstname ) +{ + LPWSTR stname = NULL, sval, p; + DWORD len; + UINT i, r; + + TRACE("%p %p\n", tv, rec); + + len = lstrlenW( tv->name ) + 1; + stname = msi_alloc( len*sizeof(WCHAR) ); + if ( !stname ) + { + r = ERROR_OUTOFMEMORY; + goto err; + } + + lstrcpyW( stname, tv->name ); + + for ( i = 0; i < tv->num_cols; i++ ) + { + if ( tv->columns[i].type & MSITYPE_KEY ) + { + sval = msi_dup_record_field( rec, i + 1 ); + if ( !sval ) + { + r = ERROR_OUTOFMEMORY; + goto err; + } + + len += lstrlenW( szDot ) + lstrlenW ( sval ); + p = msi_realloc ( stname, len*sizeof(WCHAR) ); + if ( !p ) + { + r = ERROR_OUTOFMEMORY; + goto err; + } + stname = p; + + lstrcatW( stname, szDot ); + lstrcatW( stname, sval ); + + msi_free( sval ); + } + else + continue; + } + + *pstname = encode_streamname( FALSE, stname ); + msi_free( stname ); + + return ERROR_SUCCESS; + +err: + msi_free ( stname ); + *pstname = NULL; + return r; +} + +static MSIRECORD *msi_get_transform_record( const MSITABLEVIEW *tv, const string_table *st, + IStorage *stg, + const BYTE *rawdata, UINT bytes_per_strref ) +{ + UINT i, val, ofs = 0; + USHORT mask; + MSICOLUMNINFO *columns = tv->columns; + MSIRECORD *rec; + + mask = rawdata[0] | (rawdata[1] << 8); + rawdata += 2; + + rec = MSI_CreateRecord( tv->num_cols ); + if( !rec ) + return rec; + + TRACE("row ->\n"); + for( i=0; i<tv->num_cols; i++ ) + { + if ( (mask&1) && (i>=(mask>>8)) ) + break; + /* all keys must be present */ + if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) ) + continue; + + if( MSITYPE_IS_BINARY(tv->columns[i].type) ) + { + LPWSTR encname; + IStream *stm = NULL; + UINT r; + + ofs += bytes_per_column( tv->db, &columns[i], bytes_per_strref ); + + r = msi_record_encoded_stream_name( tv, rec, &encname ); + if ( r != ERROR_SUCCESS ) + return NULL; + + r = IStorage_OpenStream( stg, encname, NULL, + STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm ); + if ( r != ERROR_SUCCESS ) + { + msi_free( encname ); + return NULL; + } + + MSI_RecordSetStream( rec, i+1, stm ); + TRACE(" field %d [%s]\n", i+1, debugstr_w(encname)); + msi_free( encname ); + } + else if( columns[i].type & MSITYPE_STRING ) + { + LPCWSTR sval; + + val = read_raw_int(rawdata, ofs, bytes_per_strref); + sval = msi_string_lookup_id( st, val ); + MSI_RecordSetStringW( rec, i+1, sval ); + TRACE(" field %d [%s]\n", i+1, debugstr_w(sval)); + ofs += bytes_per_strref; + } + else + { + UINT n = bytes_per_column( tv->db, &columns[i], bytes_per_strref ); + switch( n ) + { + case 2: + val = read_raw_int(rawdata, ofs, n); + if (val) + MSI_RecordSetInteger( rec, i+1, val-0x8000 ); + TRACE(" field %d [0x%04x]\n", i+1, val ); + break; + case 4: + val = read_raw_int(rawdata, ofs, n); + if (val) + MSI_RecordSetInteger( rec, i+1, val^0x80000000 ); + TRACE(" field %d [0x%08x]\n", i+1, val ); + break; + default: + ERR("oops - unknown column width %d\n", n); + break; + } + ofs += n; + } + } + return rec; +} + +static void dump_record( MSIRECORD *rec ) +{ + UINT i, n; + + n = MSI_RecordGetFieldCount( rec ); + for( i=1; i<=n; i++ ) + { + LPCWSTR sval; + + if( MSI_RecordIsNull( rec, i ) ) + TRACE("row -> []\n"); + else if( (sval = MSI_RecordGetString( rec, i )) ) + TRACE("row -> [%s]\n", debugstr_w(sval)); + else + TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) ); + } +} + +static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize ) +{ + LPCWSTR sval; + UINT i; + + for( i=0; i<(rawsize/2); i++ ) + { + sval = msi_string_lookup_id( st, rawdata[i] ); + MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) ); + } +} + +static UINT* msi_record_to_row( const MSITABLEVIEW *tv, MSIRECORD *rec ) +{ + LPCWSTR str; + UINT i, r, *data; + + data = msi_alloc( tv->num_cols *sizeof (UINT) ); + for( i=0; i<tv->num_cols; i++ ) + { + data[i] = 0; + + if ( ~tv->columns[i].type & MSITYPE_KEY ) + continue; + + /* turn the transform column value into a row value */ + if ( ( tv->columns[i].type & MSITYPE_STRING ) && + ! MSITYPE_IS_BINARY(tv->columns[i].type) ) + { + str = MSI_RecordGetString( rec, i+1 ); + if (str) + { + r = msi_string2idW( tv->db->strings, str, &data[i] ); + + /* if there's no matching string in the string table, + these keys can't match any record, so fail now. */ + if (r != ERROR_SUCCESS) + { + msi_free( data ); + return NULL; + } + } + else data[i] = 0; + } + else + { + data[i] = MSI_RecordGetInteger( rec, i+1 ); + + if (data[i] == MSI_NULL_INTEGER) + data[i] = 0; + else if ((tv->columns[i].type&0xff) == 2) + data[i] += 0x8000; + else + data[i] += 0x80000000; + } + } + return data; +} + +static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data, UINT *column ) +{ + UINT i, r, x, ret = ERROR_FUNCTION_FAILED; + + for( i=0; i<tv->num_cols; i++ ) + { + if ( ~tv->columns[i].type & MSITYPE_KEY ) + continue; + + /* turn the transform column value into a row value */ + r = TABLE_fetch_int( &tv->view, row, i+1, &x ); + if ( r != ERROR_SUCCESS ) + { + ERR("TABLE_fetch_int shouldn't fail here\n"); + break; + } + + /* if this key matches, move to the next column */ + if ( x != data[i] ) + { + ret = ERROR_FUNCTION_FAILED; + break; + } + if (column) *column = i; + ret = ERROR_SUCCESS; + } + return ret; +} + +static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row, UINT *column ) +{ + UINT i, r = ERROR_FUNCTION_FAILED, *data; + + data = msi_record_to_row( tv, rec ); + if( !data ) + return r; + for( i = 0; i < tv->table->row_count; i++ ) + { + r = msi_row_matches( tv, i, data, column ); + if( r == ERROR_SUCCESS ) + { + *row = i; + break; + } + } + msi_free( data ); + return r; +} + +typedef struct +{ + struct list entry; + LPWSTR name; +} TRANSFORMDATA; + +static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg, + string_table *st, TRANSFORMDATA *transform, + UINT bytes_per_strref ) +{ + BYTE *rawdata = NULL; + MSITABLEVIEW *tv = NULL; + UINT r, n, sz, i, mask, num_cols, colcol = 0, rawsize = 0; + MSIRECORD *rec = NULL; + WCHAR coltable[32]; + const WCHAR *name; + + if (!transform) + return ERROR_SUCCESS; + + name = transform->name; + + coltable[0] = 0; + TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) ); + + /* read the transform data */ + read_stream_data( stg, name, TRUE, &rawdata, &rawsize ); + if ( !rawdata ) + { + TRACE("table %s empty\n", debugstr_w(name) ); + return ERROR_INVALID_TABLE; + } + + /* create a table view */ + r = TABLE_CreateView( db, name, (MSIVIEW**) &tv ); + if( r != ERROR_SUCCESS ) + goto err; + + r = tv->view.ops->execute( &tv->view, NULL ); + if( r != ERROR_SUCCESS ) + goto err; + + TRACE("name = %s columns = %u row_size = %u raw size = %u\n", + debugstr_w(name), tv->num_cols, tv->row_size, rawsize ); + + /* interpret the data */ + for (n = 0; n < rawsize;) + { + mask = rawdata[n] | (rawdata[n + 1] << 8); + if (mask & 1) + { + /* + * if the low bit is set, columns are continuous and + * the number of columns is specified in the high byte + */ + sz = 2; + num_cols = mask >> 8; + for (i = 0; i < num_cols; i++) + { + if( (tv->columns[i].type & MSITYPE_STRING) && + ! MSITYPE_IS_BINARY(tv->columns[i].type) ) + sz += bytes_per_strref; + else + sz += bytes_per_column( tv->db, &tv->columns[i], bytes_per_strref ); + } + } + else + { + /* + * If the low bit is not set, mask is a bitmask. + * Excepting for key fields, which are always present, + * each bit indicates that a field is present in the transform record. + * + * mask == 0 is a special case ... only the keys will be present + * and it means that this row should be deleted. + */ + sz = 2; + num_cols = tv->num_cols; + for (i = 0; i < num_cols; i++) + { + if ((tv->columns[i].type & MSITYPE_KEY) || ((1 << i) & mask)) + { + if ((tv->columns[i].type & MSITYPE_STRING) && + !MSITYPE_IS_BINARY(tv->columns[i].type)) + sz += bytes_per_strref; + else + sz += bytes_per_column( tv->db, &tv->columns[i], bytes_per_strref ); + } + } + } + + /* check we didn't run of the end of the table */ + if (n + sz > rawsize) + { + ERR("borked.\n"); + dump_table( st, (USHORT *)rawdata, rawsize ); + break; + } + + rec = msi_get_transform_record( tv, st, stg, &rawdata[n], bytes_per_strref ); + if (rec) + { + WCHAR table[32]; + DWORD sz = 32; + UINT number = MSI_NULL_INTEGER; + UINT row = 0; + + if (!strcmpW( name, szColumns )) + { + MSI_RecordGetStringW( rec, 1, table, &sz ); + number = MSI_RecordGetInteger( rec, 2 ); + + /* + * Native msi seems writes nul into the Number (2nd) column of + * the _Columns table, only when the columns are from a new table + */ + if ( number == MSI_NULL_INTEGER ) + { + /* reset the column number on a new table */ + if (strcmpW( coltable, table )) + { + colcol = 0; + lstrcpyW( coltable, table ); + } + + /* fix nul column numbers */ + MSI_RecordSetInteger( rec, 2, ++colcol ); + } + } + + if (TRACE_ON(msidb)) dump_record( rec ); + + r = msi_table_find_row( tv, rec, &row, NULL ); + if (r == ERROR_SUCCESS) + { + if (!mask) + { + TRACE("deleting row [%d]:\n", row); + r = TABLE_delete_row( &tv->view, row ); + if (r != ERROR_SUCCESS) + WARN("failed to delete row %u\n", r); + } + else if (mask & 1) + { + TRACE("modifying full row [%d]:\n", row); + r = TABLE_set_row( &tv->view, row, rec, (1 << tv->num_cols) - 1 ); + if (r != ERROR_SUCCESS) + WARN("failed to modify row %u\n", r); + } + else + { + TRACE("modifying masked row [%d]:\n", row); + r = TABLE_set_row( &tv->view, row, rec, mask ); + if (r != ERROR_SUCCESS) + WARN("failed to modify row %u\n", r); + } + } + else + { + TRACE("inserting row\n"); + r = TABLE_insert_row( &tv->view, rec, -1, FALSE ); + if (r != ERROR_SUCCESS) + WARN("failed to insert row %u\n", r); + } + + if (number != MSI_NULL_INTEGER && !strcmpW( name, szColumns )) + msi_update_table_columns( db, table ); + + msiobj_release( &rec->hdr ); + } + + n += sz; + } + +err: + /* no need to free the table, it's associated with the database */ + msi_free( rawdata ); + if( tv ) + tv->view.ops->delete( &tv->view ); + + return ERROR_SUCCESS; +} + +/* + * msi_table_apply_transform + * + * Enumerate the table transforms in a transform storage and apply each one. + */ +UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg ) +{ + struct list transforms; + IEnumSTATSTG *stgenum = NULL; + TRANSFORMDATA *transform; + TRANSFORMDATA *tables = NULL, *columns = NULL; + HRESULT r; + STATSTG stat; + string_table *strings; + UINT ret = ERROR_FUNCTION_FAILED; + UINT bytes_per_strref; + + TRACE("%p %p\n", db, stg ); + + strings = msi_load_string_table( stg, &bytes_per_strref ); + if( !strings ) + goto end; + + r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum ); + if( FAILED( r ) ) + goto end; + + list_init(&transforms); + + while ( TRUE ) + { + MSITABLEVIEW *tv = NULL; + WCHAR name[0x40]; + ULONG count = 0; + + r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count ); + if ( FAILED( r ) || !count ) + break; + + decode_streamname( stat.pwcsName, name ); + CoTaskMemFree( stat.pwcsName ); + if ( name[0] != 0x4840 ) + continue; + + if ( !strcmpW( name+1, szStringPool ) || + !strcmpW( name+1, szStringData ) ) + continue; + + transform = msi_alloc_zero( sizeof(TRANSFORMDATA) ); + if ( !transform ) + break; + + list_add_tail( &transforms, &transform->entry ); + + transform->name = strdupW( name + 1 ); + + if ( !strcmpW( transform->name, szTables ) ) + tables = transform; + else if (!strcmpW( transform->name, szColumns ) ) + columns = transform; + + TRACE("transform contains stream %s\n", debugstr_w(name)); + + /* load the table */ + r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv ); + if( r != ERROR_SUCCESS ) + continue; + + r = tv->view.ops->execute( &tv->view, NULL ); + if( r != ERROR_SUCCESS ) + { + tv->view.ops->delete( &tv->view ); + continue; + } + + tv->view.ops->delete( &tv->view ); + } + + /* + * Apply _Tables and _Columns transforms first so that + * the table metadata is correct, and empty tables exist. + */ + ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref ); + if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE) + goto end; + + ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref ); + if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE) + goto end; + + ret = ERROR_SUCCESS; + + while ( !list_empty( &transforms ) ) + { + transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry ); + + if ( strcmpW( transform->name, szColumns ) && + strcmpW( transform->name, szTables ) && + ret == ERROR_SUCCESS ) + { + ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref ); + } + + list_remove( &transform->entry ); + msi_free( transform->name ); + msi_free( transform ); + } + + if ( ret == ERROR_SUCCESS ) + append_storage_to_db( db, stg ); + +end: + if ( stgenum ) + IEnumSTATSTG_Release( stgenum ); + if ( strings ) + msi_destroy_stringtable( strings ); + + return ret; +} |