dlls/msi/table.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2002-2004 Mike McCormack for CodeWeavers
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24 #define NONAMELESSUNION
  25 #define NONAMELESSSTRUCT
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winerror.h"
  30 #include "wine/debug.h"
  31 #include "msi.h"
  32 #include "msiquery.h"
  33 #include "objbase.h"
  34 #include "objidl.h"
  35 #include "msipriv.h"
  36 #include "winnls.h"
  37
  38 #include "query.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  41
  42 typedef struct tagMSICOLUMNINFO
  43 {
  44     LPWSTR tablename;
  45     UINT   number;
  46     LPWSTR colname;
  47     UINT   type;
  48     UINT   offset;
  49 } MSICOLUMNINFO;
  50
  51 struct tagMSITABLE
  52 {
  53     USHORT **data;
  54     UINT ref_count;
  55     UINT row_count;
  56     struct list entry;
  57     WCHAR name[1];
  58 };
  59
  60 #define MAX_STREAM_NAME 0x1f
  61
  62 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
  63        MSICOLUMNINFO **pcols, UINT *pcount );
  64 static UINT get_tablecolumns( MSIDATABASE *db,
  65        LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
  66
  67 static inline UINT bytes_per_column( MSICOLUMNINFO *col )
  68 {
  69     if( col->type & MSITYPE_STRING )
  70         return 2;
  71     if( (col->type & 0xff) > 4 )
  72         ERR("Invalid column size!\n");
  73     return col->type & 0xff;
  74 }
  75
  76 static int utf2mime(int x)
  77 {
  78     if( (x>='0') && (x<='9') )
  79         return x-'0';
  80     if( (x>='A') && (x<='Z') )
  81         return x-'A'+10;
  82     if( (x>='a') && (x<='z') )
  83         return x-'a'+10+26;
  84     if( x=='.' )
  85         return 10+26+26;
  86     if( x=='_' )
  87         return 10+26+26+1;
  88     return -1;
  89 }
  90
  91 static LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
  92 {
  93     DWORD count = MAX_STREAM_NAME;
  94     DWORD ch, next;
  95     LPWSTR out, p;
  96
  97     if( !bTable )
  98         count = lstrlenW( in )+2;
  99     out = msi_alloc( count*sizeof(WCHAR) );
 100     p = out;
 101
 102     if( bTable )
 103     {
 104          *p++ = 0x4840;
 105          count --;
 106     }
 107     while( count -- )
 108     {
 109         ch = *in++;
 110         if( !ch )
 111         {
 112             *p = ch;
 113             return out;
 114         }
 115         if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
 116         {
 117             ch = utf2mime(ch) + 0x4800;
 118             next = *in;
 119             if( next && (next<0x80) )
 120             {
 121                 next = utf2mime(next);
 122                 if( next >= 0  )
 123                 {
 124                      next += 0x3ffffc0;
 125                      ch += (next<<6);
 126                      in++;
 127                 }
 128             }
 129         }
 130         *p++ = ch;
 131     }
 132     ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
 133     msi_free( out );
 134     return NULL;
 135 }
 136
 137 static int mime2utf(int x)
 138 {
 139     if( x<10 )
 140         return x + '0';
 141     if( x<(10+26))
 142         return x - 10 + 'A';
 143     if( x<(10+26+26))
 144         return x - 10 - 26 + 'a';
 145     if( x == (10+26+26) )
 146         return '.';
 147     return '_';
 148 }
 149
 150 static BOOL decode_streamname(LPWSTR in, LPWSTR out)
 151 {
 152     WCHAR ch;
 153     DWORD count = 0;
 154
 155     while ( (ch = *in++) )
 156     {
 157         if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
 158         {
 159             if( ch >= 0x4800 )
 160                 ch = mime2utf(ch-0x4800);
 161             else
 162             {
 163                 ch -= 0x3800;
 164                 *out++ = mime2utf(ch&0x3f);
 165                 count++;
 166                 ch = mime2utf((ch>>6)&0x3f);
 167             }
 168         }
 169         *out++ = ch;
 170         count++;
 171     }
 172     *out = 0;
 173     return count;
 174 }
 175
 176 void enum_stream_names( IStorage *stg )
 177 {
 178     IEnumSTATSTG *stgenum = NULL;
 179     HRESULT r;
 180     STATSTG stat;
 181     ULONG n, count;
 182     WCHAR name[0x40];
 183
 184     r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
 185     if( FAILED( r ) )
 186         return;
 187
 188     n = 0;
 189     while( 1 )
 190     {
 191         count = 0;
 192         r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
 193         if( FAILED( r ) || !count )
 194             break;
 195         decode_streamname( stat.pwcsName, name );
 196         TRACE("stream %2ld -> %s %s\n", n,
 197               debugstr_w(stat.pwcsName), debugstr_w(name) );
 198         n++;
 199     }
 200
 201     IEnumSTATSTG_Release( stgenum );
 202 }
 203
 204 static UINT read_stream_data( IStorage *stg, LPCWSTR stname,
 205                               USHORT **pdata, UINT *psz )
 206 {
 207     HRESULT r;
 208     UINT ret = ERROR_FUNCTION_FAILED;
 209     VOID *data;
 210     ULONG sz, count;
 211     IStream *stm = NULL;
 212     STATSTG stat;
 213     LPWSTR encname;
 214
 215     encname = encode_streamname(TRUE, stname);
 216
 217     TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
 218
 219     r = IStorage_OpenStream(stg, encname, NULL,
 220             STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
 221     msi_free( encname );
 222     if( FAILED( r ) )
 223     {
 224         WARN("open stream failed r = %08lx - empty table?\n",r);
 225         return ret;
 226     }
 227
 228     r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
 229     if( FAILED( r ) )
 230     {
 231         WARN("open stream failed r = %08lx!\n",r);
 232         goto end;
 233     }
 234
 235     if( stat.cbSize.QuadPart >> 32 )
 236     {
 237         WARN("Too big!\n");
 238         goto end;
 239     }
 240
 241     sz = stat.cbSize.QuadPart;
 242     data = msi_alloc( sz );
 243     if( !data )
 244     {
 245         WARN("couldn't allocate memory r=%08lx!\n",r);
 246         ret = ERROR_NOT_ENOUGH_MEMORY;
 247         goto end;
 248     }
 249
 250     r = IStream_Read(stm, data, sz, &count );
 251     if( FAILED( r ) || ( count != sz ) )
 252     {
 253         msi_free( data );
 254         WARN("read stream failed r = %08lx!\n",r);
 255         goto end;
 256     }
 257
 258     *pdata = data;
 259     *psz = sz;
 260     ret = ERROR_SUCCESS;
 261
 262 end:
 263     IStream_Release( stm );
 264
 265     return ret;
 266 }
 267
 268 UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm )
 269 {
 270     LPWSTR encname;
 271     HRESULT r;
 272
 273     encname = encode_streamname(FALSE, stname);
 274
 275     TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
 276
 277     r = IStorage_OpenStream(db->storage, encname, NULL,
 278             STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm);
 279     msi_free( encname );
 280     if( FAILED( r ) )
 281     {
 282         WARN("open stream failed r = %08lx - empty table?\n",r);
 283         return ERROR_FUNCTION_FAILED;
 284     }
 285
 286     return ERROR_SUCCESS;
 287 }
 288
 289 UINT read_raw_stream_data( MSIDATABASE *db, LPCWSTR stname,
 290                               USHORT **pdata, UINT *psz )
 291 {
 292     HRESULT r;
 293     UINT ret = ERROR_FUNCTION_FAILED;
 294     VOID *data;
 295     ULONG sz, count;
 296     IStream *stm = NULL;
 297     STATSTG stat;
 298
 299     r = db_get_raw_stream( db, stname, &stm );
 300     if( r != ERROR_SUCCESS)
 301         return ret;
 302     r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
 303     if( FAILED( r ) )
 304     {
 305         WARN("open stream failed r = %08lx!\n",r);
 306         goto end;
 307     }
 308
 309     if( stat.cbSize.QuadPart >> 32 )
 310     {
 311         WARN("Too big!\n");
 312         goto end;
 313     }
 314
 315     sz = stat.cbSize.QuadPart;
 316     data = msi_alloc( sz );
 317     if( !data )
 318     {
 319         WARN("couldn't allocate memory r=%08lx!\n",r);
 320         ret = ERROR_NOT_ENOUGH_MEMORY;
 321         goto end;
 322     }
 323
 324     r = IStream_Read(stm, data, sz, &count );
 325     if( FAILED( r ) || ( count != sz ) )
 326     {
 327         msi_free( data );
 328         WARN("read stream failed r = %08lx!\n",r);
 329         goto end;
 330     }
 331
 332     *pdata = data;
 333     *psz = sz;
 334     ret = ERROR_SUCCESS;
 335
 336 end:
 337     IStream_Release( stm );
 338
 339     return ret;
 340 }
 341
 342 static UINT write_stream_data( IStorage *stg, LPCWSTR stname,
 343                                LPVOID data, UINT sz )
 344 {
 345     HRESULT r;
 346     UINT ret = ERROR_FUNCTION_FAILED;
 347     ULONG count;
 348     IStream *stm = NULL;
 349     ULARGE_INTEGER size;
 350     LARGE_INTEGER pos;
 351     LPWSTR encname;
 352
 353     encname = encode_streamname(TRUE, stname );
 354     r = IStorage_OpenStream( stg, encname, NULL,
 355             STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
 356     if( FAILED(r) )
 357     {
 358         r = IStorage_CreateStream( stg, encname,
 359                 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
 360     }
 361     msi_free( encname );
 362     if( FAILED( r ) )
 363     {
 364         WARN("open stream failed r = %08lx\n",r);
 365         return ret;
 366     }
 367
 368     size.QuadPart = sz;
 369     r = IStream_SetSize( stm, size );
 370     if( FAILED( r ) )
 371     {
 372         WARN("Failed to SetSize\n");
 373         goto end;
 374     }
 375
 376     pos.QuadPart = 0;
 377     r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
 378     if( FAILED( r ) )
 379     {
 380         WARN("Failed to Seek\n");
 381         goto end;
 382     }
 383
 384     r = IStream_Write(stm, data, sz, &count );
 385     if( FAILED( r ) || ( count != sz ) )
 386     {
 387         WARN("Failed to Write\n");
 388         goto end;
 389     }
 390
 391     ret = ERROR_SUCCESS;
 392
 393 end:
 394     IStream_Release( stm );
 395
 396     return ret;
 397 }
 398
 399 static void free_table( MSITABLE *table )
 400 {
 401     int i;
 402     for( i=0; i<table->row_count; i++ )
 403         msi_free( table->data[i] );
 404     msi_free( table->data );
 405     msi_free( table );
 406 }
 407
 408 static UINT read_table_from_storage( MSIDATABASE *db, LPCWSTR name, MSITABLE **ptable)
 409 {
 410     MSITABLE *t;
 411     USHORT *rawdata = NULL;
 412     UINT rawsize = 0, r, i, j, row_size = 0, num_cols = 0;
 413     MSICOLUMNINFO *cols, *last_col;
 414
 415     TRACE("%s\n",debugstr_w(name));
 416
 417     /* nonexistent tables should be interpreted as empty tables */
 418     t = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
 419     if( !t )
 420         return ERROR_NOT_ENOUGH_MEMORY;
 421
 422     r = table_get_column_info( db, name, &cols, &num_cols );
 423     if( r != ERROR_SUCCESS )
 424     {
 425         msi_free( t );
 426         return r;
 427     }
 428     last_col = &cols[num_cols-1];
 429     row_size = last_col->offset + bytes_per_column( last_col );
 430
 431     t->row_count = 0;
 432     t->data = NULL;
 433     lstrcpyW( t->name, name );
 434     t->ref_count = 1;
 435     *ptable = t;
 436
 437     /* if we can't read the table, just assume that it's empty */
 438     read_stream_data( db->storage, name, &rawdata, &rawsize );
 439     if( !rawdata )
 440         return ERROR_SUCCESS;
 441
 442     TRACE("Read %d bytes\n", rawsize );
 443
 444     if( rawsize % row_size )
 445     {
 446         WARN("Table size is invalid %d/%d\n", rawsize, row_size );
 447         return ERROR_FUNCTION_FAILED;
 448     }
 449
 450     t->row_count = rawsize / row_size;
 451     t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
 452     if( !t->data )
 453     {
 454         r = ERROR_NOT_ENOUGH_MEMORY;
 455         goto err;
 456     }
 457
 458     /* transpose all the data */
 459     TRACE("Transposing data from %d columns\n", t->row_count );
 460     for( i=0; i<t->row_count; i++ )
 461     {
 462         t->data[i] = msi_alloc( row_size );
 463         if( !t->data[i] )
 464         {
 465             r = ERROR_NOT_ENOUGH_MEMORY;
 466             goto err;
 467         }
 468         for( j=0; j<num_cols; j++ )
 469         {
 470             UINT ofs = cols[j].offset/2;
 471             UINT n = bytes_per_column( &cols[j] );
 472
 473             switch( n )
 474             {
 475             case 2:
 476                 t->data[i][ofs] = rawdata[ofs*t->row_count + i ];
 477                 break;
 478             case 4:
 479                 t->data[i][ofs] = rawdata[ofs*t->row_count + i*2 ];
 480                 t->data[i][ofs+1] = rawdata[ofs*t->row_count + i*2 + 1];
 481                 break;
 482             default:
 483                 ERR("oops - unknown column width %d\n", n);
 484                 r = ERROR_FUNCTION_FAILED;
 485                 goto err;
 486             }
 487         }
 488     }
 489
 490     msi_free( cols );
 491     msi_free( rawdata );
 492
 493     return ERROR_SUCCESS;
 494
 495 err:
 496     msi_free( cols );
 497     msi_free( rawdata );
 498     free_table( t );
 499     return r;
 500 }
 501
 502 /* add this table to the list of cached tables in the database */
 503 void add_table(MSIDATABASE *db, MSITABLE *table)
 504 {
 505     list_add_head( &db->tables, &table->entry );
 506 }
 507
 508 /* remove from the list of cached tables */
 509 void remove_table( MSIDATABASE *db, MSITABLE *table )
 510 {
 511     list_remove( &table->entry );
 512 }
 513
 514 static void release_table( MSIDATABASE *db, MSITABLE *table )
 515 {
 516     if( !table->ref_count )
 517         ERR("Trying to destroy table with refcount 0\n");
 518     table->ref_count --;
 519     if( !table->ref_count )
 520     {
 521         remove_table( db, table );
 522         TRACE("Destroying table %s\n", debugstr_w(table->name));
 523         free_table( table );
 524     }
 525 }
 526
 527 void free_cached_tables( MSIDATABASE *db )
 528 {
 529     while( !list_empty( &db->tables ) )
 530     {
 531         MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
 532
 533         list_remove( &t->entry );
 534         if ( --t->ref_count )
 535             ERR("table ref count not zero for %s\n", debugstr_w(t->name));
 536         remove_table( db, t );
 537         msi_free( t->data );
 538         msi_free( t );
 539     }
 540 }
 541
 542 UINT find_cached_table(MSIDATABASE *db, LPCWSTR name, MSITABLE **ptable)
 543 {
 544     MSITABLE *t;
 545
 546     LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
 547     {
 548         if( !lstrcmpW( name, t->name ) )
 549         {
 550             *ptable = t;
 551             return ERROR_SUCCESS;
 552         }
 553     }
 554
 555     return ERROR_FUNCTION_FAILED;
 556 }
 557
 558 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
 559 {
 560     UINT r, column_count;
 561     MSICOLUMNINFO *columns;
 562
 563     /* get the number of columns in this table */
 564     column_count = 0;
 565     r = get_tablecolumns( db, name, NULL, &column_count );
 566     if( r != ERROR_SUCCESS )
 567         return r;
 568
 569     /* if there's no columns, there's no table */
 570     if( column_count == 0 )
 571         return ERROR_INVALID_PARAMETER;
 572
 573     TRACE("Table %s found\n", debugstr_w(name) );
 574
 575     columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO));
 576     if( !columns )
 577         return ERROR_FUNCTION_FAILED;
 578
 579     r = get_tablecolumns( db, name, columns, &column_count );
 580     if( r != ERROR_SUCCESS )
 581     {
 582         msi_free( columns );
 583         return ERROR_FUNCTION_FAILED;
 584     }
 585
 586     *pcols = columns;
 587     *pcount = column_count;
 588
 589     return r;
 590 }
 591
 592 UINT get_table(MSIDATABASE *db, LPCWSTR name, MSITABLE **ptable)
 593 {
 594     UINT r;
 595
 596     *ptable = NULL;
 597
 598     /* first, see if the table is cached */
 599     r = find_cached_table( db, name, ptable );
 600     if( r == ERROR_SUCCESS )
 601     {
 602         (*ptable)->ref_count++;
 603         return r;
 604     }
 605
 606     r = read_table_from_storage( db, name, ptable );
 607     if( r != ERROR_SUCCESS )
 608         return r;
 609
 610     /* add the table to the list */
 611     add_table( db, *ptable );
 612     (*ptable)->ref_count++;
 613
 614     return ERROR_SUCCESS;
 615 }
 616
 617 static UINT save_table( MSIDATABASE *db, MSITABLE *t )
 618 {
 619     USHORT *rawdata = NULL, *p;
 620     UINT rawsize, r, i, j, row_size, num_cols = 0;
 621     MSICOLUMNINFO *cols, *last_col;
 622
 623     TRACE("Saving %s\n", debugstr_w( t->name ) );
 624
 625     r = table_get_column_info( db, t->name, &cols, &num_cols );
 626     if( r != ERROR_SUCCESS )
 627         return r;
 628
 629     last_col = &cols[num_cols-1];
 630     row_size = last_col->offset + bytes_per_column( last_col );
 631
 632     rawsize = t->row_count * row_size;
 633     rawdata = msi_alloc_zero( rawsize );
 634     if( !rawdata )
 635         return ERROR_NOT_ENOUGH_MEMORY;
 636
 637     p = rawdata;
 638     for( i=0; i<num_cols; i++ )
 639     {
 640         for( j=0; j<t->row_count; j++ )
 641         {
 642             UINT offset = cols[i].offset;
 643
 644             *p++ = t->data[j][offset/2];
 645             if( 4 == bytes_per_column( &cols[i] ) )
 646                 *p++ = t->data[j][offset/2+1];
 647         }
 648     }
 649
 650     TRACE("writing %d bytes\n", rawsize);
 651     r = write_stream_data( db->storage, t->name, rawdata, rawsize );
 652
 653     msi_free( rawdata );
 654
 655     return r;
 656 }
 657
 658 HRESULT init_string_table( IStorage *stg )
 659 {
 660     HRESULT r;
 661     static const WCHAR szStringData[] = {
 662         '_','S','t','r','i','n','g','D','a','t','a',0 };
 663     static const WCHAR szStringPool[] = {
 664         '_','S','t','r','i','n','g','P','o','o','l',0 };
 665     USHORT zero[2] = { 0, 0 };
 666     ULONG count = 0;
 667     IStream *stm = NULL;
 668     LPWSTR encname;
 669
 670     encname = encode_streamname(TRUE, szStringPool );
 671
 672     /* create the StringPool stream... add the zero string to it*/
 673     r = IStorage_CreateStream( stg, encname,
 674             STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
 675     msi_free( encname );
 676     if( r )
 677     {
 678         TRACE("Failed\n");
 679         return r;
 680     }
 681
 682     r = IStream_Write(stm, zero, sizeof zero, &count );
 683     IStream_Release( stm );
 684
 685     if( FAILED( r ) || ( count != sizeof zero ) )
 686     {
 687         TRACE("Failed\n");
 688         return E_FAIL;
 689     }
 690
 691     /* create the StringData stream... make it zero length */
 692     encname = encode_streamname(TRUE, szStringData );
 693     r = IStorage_CreateStream( stg, encname,
 694             STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
 695     msi_free( encname );
 696     if( r )
 697     {
 698         TRACE("Failed\n");
 699         return E_FAIL;
 700     }
 701     IStream_Release( stm );
 702
 703     return r;
 704 }
 705
 706 string_table *load_string_table( IStorage *stg )
 707 {
 708     string_table *st = NULL;
 709     CHAR *data;
 710     USHORT *pool;
 711     UINT r, datasize = 0, poolsize = 0, codepage;
 712     DWORD i, count, offset, len, n;
 713     static const WCHAR szStringData[] = {
 714         '_','S','t','r','i','n','g','D','a','t','a',0 };
 715     static const WCHAR szStringPool[] = {
 716         '_','S','t','r','i','n','g','P','o','o','l',0 };
 717
 718     r = read_stream_data( stg, szStringPool, &pool, &poolsize );
 719     if( r != ERROR_SUCCESS)
 720         goto end;
 721     r = read_stream_data( stg, szStringData, (USHORT**)&data, &datasize );
 722     if( r != ERROR_SUCCESS)
 723         goto end;
 724
 725     count = poolsize/4;
 726     if( poolsize > 4 )
 727         codepage = pool[0] | ( pool[1] << 16 );
 728     else
 729         codepage = CP_ACP;
 730     st = msi_init_stringtable( count, codepage );
 731
 732     offset = 0;
 733     n = 1;
 734     for( i=1; i<count; i++ )
 735     {
 736         len = pool[i*2];
 737
 738         /*
 739          * If a string is over 64k, the previous string entry is made null
 740          * and its the high word of the length is inserted in the null string's
 741          * reference count field.
 742          */
 743         if( pool[i*2-2] == 0 )
 744             len += pool[i*2-1] * 0x10000;
 745
 746         if( (offset + len) > datasize )
 747         {
 748             ERR("string table corrupt?\n");
 749             break;
 750         }
 751
 752         /* don't add the high word of a string's length as a string */
 753         if ( len || !pool[i*2+1] )
 754         {
 755             r = msi_addstring( st, n, data+offset, len, pool[i*2+1] );
 756             if( r != n )
 757                 ERR("Failed to add string %ld\n", n );
 758             n++;
 759         }
 760
 761         offset += len;
 762     }
 763
 764     if ( datasize != offset )
 765         ERR("string table load failed! (%08x != %08lx)\n", datasize, offset );
 766
 767     TRACE("Loaded %ld strings\n", count);
 768
 769 end:
 770     msi_free( pool );
 771     msi_free( data );
 772
 773     return st;
 774 }
 775
 776 static UINT save_string_table( MSIDATABASE *db )
 777 {
 778     UINT i, count, datasize, poolsize, sz, used, r, codepage;
 779     UINT ret = ERROR_FUNCTION_FAILED;
 780     static const WCHAR szStringData[] = {
 781         '_','S','t','r','i','n','g','D','a','t','a',0 };
 782     static const WCHAR szStringPool[] = {
 783         '_','S','t','r','i','n','g','P','o','o','l',0 };
 784     CHAR *data = NULL;
 785     USHORT *pool = NULL;
 786
 787     TRACE("\n");
 788
 789     /* construct the new table in memory first */
 790     datasize = msi_string_totalsize( db->strings, &count );
 791     poolsize = count*2*sizeof(USHORT);
 792
 793     pool = msi_alloc( poolsize );
 794     if( ! pool )
 795     {
 796         WARN("Failed to alloc pool %d bytes\n", poolsize );
 797         goto err;
 798     }
 799     data = msi_alloc( datasize );
 800     if( ! data )
 801     {
 802         WARN("Failed to alloc data %d bytes\n", poolsize );
 803         goto err;
 804     }
 805
 806     used = 0;
 807     codepage = msi_string_get_codepage( db->strings );
 808     pool[0]=codepage&0xffff;
 809     pool[1]=(codepage>>16);
 810     for( i=1; i<count; i++ )
 811     {
 812         sz = datasize - used;
 813         r = msi_id2stringA( db->strings, i, data+used, &sz );
 814         if( r != ERROR_SUCCESS )
 815         {
 816             ERR("failed to fetch string\n");
 817             sz = 0;
 818         }
 819         if( sz && (sz < (datasize - used ) ) )
 820             sz--;
 821         TRACE("adding %u bytes %s\n", sz, debugstr_a(data+used) );
 822         pool[ i*2 ] = sz;
 823         pool[ i*2 + 1 ] = msi_id_refcount( db->strings, i );
 824         used += sz;
 825         if( used > datasize  )
 826         {
 827             ERR("oops overran %d >= %d\n", used, datasize);
 828             goto err;
 829         }
 830     }
 831
 832     if( used != datasize )
 833     {
 834         ERR("oops used %d != datasize %d\n", used, datasize);
 835         goto err;
 836     }
 837
 838     /* write the streams */
 839     r = write_stream_data( db->storage, szStringData, data, datasize );
 840     TRACE("Wrote StringData r=%08x\n", r);
 841     if( r )
 842         goto err;
 843     r = write_stream_data( db->storage, szStringPool, pool, poolsize );
 844     TRACE("Wrote StringPool r=%08x\n", r);
 845     if( r )
 846         goto err;
 847
 848     ret = ERROR_SUCCESS;
 849
 850 err:
 851     msi_free( data );
 852     msi_free( pool );
 853
 854     return ret;
 855 }
 856
 857 /* information for default tables */
 858 static const WCHAR szTables[]  = { '_','T','a','b','l','e','s',0 };
 859 static const WCHAR szTable[]  = { 'T','a','b','l','e',0 };
 860 static const WCHAR szName[]    = { 'N','a','m','e',0 };
 861 static const WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
 862 static const WCHAR szColumn[]  = { 'C','o','l','u','m','n',0 };
 863 static const WCHAR szNumber[]  = { 'N','u','m','b','e','r',0 };
 864 static const WCHAR szType[]    = { 'T','y','p','e',0 };
 865
 866 struct standard_table {
 867     LPCWSTR tablename;
 868     LPCWSTR columnname;
 869     UINT number;
 870     UINT type;
 871 } MSI_standard_tables[] =
 872 {
 873   { szTables,  szName,   1, MSITYPE_VALID | MSITYPE_STRING | 32},
 874   { szColumns, szTable,  1, MSITYPE_VALID | MSITYPE_STRING | 32},
 875   { szColumns, szNumber, 2, MSITYPE_VALID | 2},
 876   { szColumns, szName,   3, MSITYPE_VALID | MSITYPE_STRING | 32},
 877   { szColumns, szType,   4, MSITYPE_VALID | 2},
 878 };
 879
 880 #define STANDARD_TABLE_COUNT \
 881      (sizeof(MSI_standard_tables)/sizeof(struct standard_table))
 882
 883 static UINT get_defaulttablecolumns( LPCWSTR szTable, MSICOLUMNINFO *colinfo, UINT *sz)
 884 {
 885     DWORD i, n=0;
 886
 887     for(i=0; i<STANDARD_TABLE_COUNT; i++)
 888     {
 889         if( lstrcmpW( szTable, MSI_standard_tables[i].tablename ) )
 890             continue;
 891         if(colinfo && (n < *sz) )
 892         {
 893             colinfo[n].tablename = strdupW(MSI_standard_tables[i].tablename);
 894             colinfo[n].colname = strdupW(MSI_standard_tables[i].columnname);
 895             colinfo[n].number = MSI_standard_tables[i].number;
 896             colinfo[n].type = MSI_standard_tables[i].type;
 897             /* ERR("Table %s has column %s\n",debugstr_w(colinfo[n].tablename),
 898                     debugstr_w(colinfo[n].colname)); */
 899             if( n )
 900                 colinfo[n].offset = colinfo[n-1].offset
 901                                   + bytes_per_column( &colinfo[n-1] );
 902             else
 903                 colinfo[n].offset = 0;
 904         }
 905         n++;
 906         if( colinfo && (n >= *sz) )
 907             break;
 908     }
 909     *sz = n;
 910     return ERROR_SUCCESS;
 911 }
 912
 913 LPWSTR MSI_makestring( MSIDATABASE *db, UINT stringid)
 914 {
 915     UINT sz=0, r;
 916     LPWSTR str;
 917
 918     r = msi_id2stringW( db->strings, stringid, NULL, &sz );
 919     if( r != ERROR_SUCCESS )
 920         return NULL;
 921     str = msi_alloc( sz*sizeof (WCHAR));
 922     if( !str )
 923         return str;
 924     r = msi_id2stringW( db->strings, stringid, str, &sz );
 925     if( r == ERROR_SUCCESS )
 926         return str;
 927     msi_free(  str );
 928     return NULL;
 929 }
 930
 931 static UINT get_tablecolumns( MSIDATABASE *db,
 932        LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
 933 {
 934     UINT r, i, n=0, table_id, count, maxcount = *sz;
 935     MSITABLE *table = NULL;
 936     static const WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
 937
 938     /* first check if there is a default table with that name */
 939     r = get_defaulttablecolumns( szTableName, colinfo, sz );
 940     if( ( r == ERROR_SUCCESS ) && *sz )
 941         return r;
 942
 943     r = get_table( db, szColumns, &table);
 944     if( r != ERROR_SUCCESS )
 945     {
 946         WARN("table %s not available\n", debugstr_w(szColumns));
 947         return r;
 948     }
 949
 950     /* convert table and column names to IDs from the string table */
 951     r = msi_string2idW( db->strings, szTableName, &table_id );
 952     if( r != ERROR_SUCCESS )
 953     {
 954         release_table( db, table );
 955         WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
 956         return r;
 957     }
 958
 959     TRACE("Table id is %d\n", table_id);
 960
 961     count = table->row_count;
 962     for( i=0; i<count; i++ )
 963     {
 964         if( table->data[ i ][ 0 ] != table_id )
 965             continue;
 966         if( colinfo )
 967         {
 968             UINT id = table->data[ i ] [ 2 ];
 969             colinfo[n].tablename = MSI_makestring( db, table_id );
 970             colinfo[n].number = table->data[ i ][ 1 ] - (1<<15);
 971             colinfo[n].colname = MSI_makestring( db, id );
 972             colinfo[n].type = table->data[ i ] [ 3 ];
 973             /* this assumes that columns are in order in the table */
 974             if( n )
 975                 colinfo[n].offset = colinfo[n-1].offset
 976                                   + bytes_per_column( &colinfo[n-1] );
 977             else
 978                 colinfo[n].offset = 0;
 979             TRACE("table %s column %d is [%s] (%d) with type %08x "
 980                   "offset %d at row %d\n", debugstr_w(szTableName),
 981                    colinfo[n].number, debugstr_w(colinfo[n].colname),
 982                    id, colinfo[n].type, colinfo[n].offset, i);
 983             if( n != (colinfo[n].number-1) )
 984             {
 985                 ERR("oops. data in the _Columns table isn't in the right "
 986                     "order for table %s\n", debugstr_w(szTableName));
 987                 return ERROR_FUNCTION_FAILED;
 988             }
 989         }
 990         n++;
 991         if( colinfo && ( n >= maxcount ) )
 992             break;
 993     }
 994     *sz = n;
 995
 996     release_table( db, table );
 997
 998     return ERROR_SUCCESS;
 999 }
1000
1001 /* try to find the table name in the _Tables table */
1002 BOOL TABLE_Exists( MSIDATABASE *db, LPWSTR name )
1003 {
1004     static const WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
1005     static const WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
1006     UINT r, table_id = 0, i, count;
1007     MSITABLE *table = NULL;
1008
1009     if( !lstrcmpW( name, szTables ) )
1010         return TRUE;
1011     if( !lstrcmpW( name, szColumns ) )
1012         return TRUE;
1013
1014     r = msi_string2idW( db->strings, name, &table_id );
1015     if( r != ERROR_SUCCESS )
1016     {
1017         TRACE("Couldn't find id for %s\n", debugstr_w(name));
1018         return FALSE;
1019     }
1020
1021     r = get_table( db, szTables, &table);
1022     if( r != ERROR_SUCCESS )
1023     {
1024         TRACE("table %s not available\n", debugstr_w(szTables));
1025         return FALSE;
1026     }
1027
1028     /* count = table->size/2; */
1029     count = table->row_count;
1030     for( i=0; i<count; i++ )
1031         if( table->data[ i ][ 0 ] == table_id )
1032             break;
1033
1034     release_table( db, table );
1035
1036     if (i!=count)
1037         return TRUE;
1038
1039     TRACE("Searched %d tables, but %d was not found\n", count, table_id );
1040
1041     return FALSE;
1042 }
1043
1044 /* below is the query interface to a table */
1045
1046 typedef struct tagMSITABLEVIEW
1047 {
1048     MSIVIEW        view;
1049     MSIDATABASE   *db;
1050     MSITABLE      *table;
1051     MSICOLUMNINFO *columns;
1052     UINT           num_cols;
1053     UINT           row_size;
1054     WCHAR          name[1];
1055 } MSITABLEVIEW;
1056
1057 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1058 {
1059     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1060     UINT offset, num_rows, n;
1061
1062     if( !tv->table )
1063         return ERROR_INVALID_PARAMETER;
1064
1065     if( (col==0) || (col>tv->num_cols) )
1066         return ERROR_INVALID_PARAMETER;
1067
1068     /* how many rows are there ? */
1069     num_rows = tv->table->row_count;
1070     if( row >= num_rows )
1071         return ERROR_NO_MORE_ITEMS;
1072
1073     if( tv->columns[col-1].offset >= tv->row_size )
1074     {
1075         ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1076         ERR("%p %p\n", tv, tv->columns );
1077         return ERROR_FUNCTION_FAILED;
1078     }
1079
1080     offset = row + (tv->columns[col-1].offset/2) * num_rows;
1081     n = bytes_per_column( &tv->columns[col-1] );
1082     switch( n )
1083     {
1084     case 4:
1085         offset = tv->columns[col-1].offset/2;
1086         *val = tv->table->data[row][offset] +
1087                (tv->table->data[row][offset + 1] << 16);
1088         break;
1089     case 2:
1090         offset = tv->columns[col-1].offset/2;
1091         *val = tv->table->data[row][offset];
1092         break;
1093     default:
1094         ERR("oops! what is %d bytes per column?\n", n );
1095         return ERROR_FUNCTION_FAILED;
1096     }
1097
1098     /* TRACE("Data [%d][%d] = %d \n", row, col, *val ); */
1099
1100     return ERROR_SUCCESS;
1101 }
1102
1103 /*
1104  * We need a special case for streams, as we need to reference column with
1105  * the name of the stream in the same table, and the table name
1106  * which may not be available at higher levels of the query
1107  */
1108 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1109 {
1110     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1111     UINT ival = 0, refcol = 0, r;
1112     LPWSTR sval;
1113     LPWSTR full_name;
1114     DWORD len;
1115     static const WCHAR szDot[] = { '.', 0 };
1116
1117     if( !view->ops->fetch_int )
1118         return ERROR_INVALID_PARAMETER;
1119
1120     /*
1121      * The column marked with the type stream data seems to have a single number
1122      * which references the column containing the name of the stream data
1123      *
1124      * Fetch the column to reference first.
1125      */
1126     r = view->ops->fetch_int( view, row, col, &ival );
1127     if( r != ERROR_SUCCESS )
1128         return r;
1129
1130     /* now get the column with the name of the stream */
1131     r = view->ops->fetch_int( view, row, ival, &refcol );
1132     if( r != ERROR_SUCCESS )
1133         return r;
1134
1135     /* lookup the string value from the string table */
1136     sval = MSI_makestring( tv->db, refcol );
1137     if( !sval )
1138         return ERROR_INVALID_PARAMETER;
1139
1140     len = lstrlenW( tv->name ) + 2 + lstrlenW( sval );
1141     full_name = msi_alloc( len*sizeof(WCHAR) );
1142     lstrcpyW( full_name, tv->name );
1143     lstrcatW( full_name, szDot );
1144     lstrcatW( full_name, sval );
1145
1146     r = db_get_raw_stream( tv->db, full_name, stm );
1147     if( r )
1148         ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1149     msi_free( full_name );
1150     msi_free( sval );
1151
1152     return r;
1153 }
1154
1155 static UINT TABLE_set_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT val )
1156 {
1157     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1158     UINT offset, n;
1159
1160     if( !tv->table )
1161         return ERROR_INVALID_PARAMETER;
1162
1163     if( (col==0) || (col>tv->num_cols) )
1164         return ERROR_INVALID_PARAMETER;
1165
1166     if( tv->columns[col-1].offset >= tv->row_size )
1167     {
1168         ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1169         ERR("%p %p\n", tv, tv->columns );
1170         return ERROR_FUNCTION_FAILED;
1171     }
1172
1173     n = bytes_per_column( &tv->columns[col-1] );
1174     switch( n )
1175     {
1176     case 4:
1177         offset = tv->columns[col-1].offset/2;
1178         tv->table->data[row][offset]     = val & 0xffff;
1179         tv->table->data[row][offset + 1] = (val>>16)&0xffff;
1180         break;
1181     case 2:
1182         offset = tv->columns[col-1].offset/2;
1183         tv->table->data[row][offset] = val;
1184         break;
1185     default:
1186         ERR("oops! what is %d bytes per column?\n", n );
1187         return ERROR_FUNCTION_FAILED;
1188     }
1189     return ERROR_SUCCESS;
1190 }
1191
1192 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num )
1193 {
1194     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1195     USHORT **p, *row;
1196     UINT sz;
1197
1198     TRACE("%p\n", view);
1199
1200     if( !tv->table )
1201         return ERROR_INVALID_PARAMETER;
1202
1203     row = msi_alloc_zero( tv->row_size );
1204     if( !row )
1205         return ERROR_NOT_ENOUGH_MEMORY;
1206
1207     sz = (tv->table->row_count + 1) * sizeof (UINT*);
1208     if( tv->table->data )
1209         p = msi_realloc( tv->table->data, sz );
1210     else
1211         p = msi_alloc( sz );
1212     if( !p )
1213     {
1214         msi_free( row );
1215         return ERROR_NOT_ENOUGH_MEMORY;
1216     }
1217
1218     tv->table->data = p;
1219     tv->table->data[tv->table->row_count] = row;
1220     *num = tv->table->row_count;
1221     tv->table->row_count++;
1222
1223     return ERROR_SUCCESS;
1224 }
1225
1226 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1227 {
1228     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1229     UINT r;
1230
1231     TRACE("%p %p\n", tv, record);
1232
1233     if( tv->table )
1234     {
1235         release_table( tv->db, tv->table );
1236         tv->table = NULL;
1237     }
1238
1239     r = get_table( tv->db, tv->name, &tv->table );
1240     if( r != ERROR_SUCCESS )
1241         return r;
1242
1243     return ERROR_SUCCESS;
1244 }
1245
1246 static UINT TABLE_close( struct tagMSIVIEW *view )
1247 {
1248     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1249
1250     TRACE("%p\n", view );
1251
1252     if( !tv->table )
1253         return ERROR_FUNCTION_FAILED;
1254
1255     release_table( tv->db, tv->table );
1256     tv->table = NULL;
1257
1258     return ERROR_SUCCESS;
1259 }
1260
1261 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1262 {
1263     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1264
1265     TRACE("%p %p %p\n", view, rows, cols );
1266
1267     if( cols )
1268         *cols = tv->num_cols;
1269     if( rows )
1270     {
1271         if( !tv->table )
1272             return ERROR_INVALID_PARAMETER;
1273         *rows = tv->table->row_count;
1274     }
1275
1276     return ERROR_SUCCESS;
1277 }
1278
1279 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1280                 UINT n, LPWSTR *name, UINT *type )
1281 {
1282     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1283
1284     TRACE("%p %d %p %p\n", tv, n, name, type );
1285
1286     if( ( n == 0 ) || ( n > tv->num_cols ) )
1287         return ERROR_INVALID_PARAMETER;
1288
1289     if( name )
1290     {
1291         *name = strdupW( tv->columns[n-1].colname );
1292         if( !*name )
1293             return ERROR_FUNCTION_FAILED;
1294     }
1295     if( type )
1296         *type = tv->columns[n-1].type;
1297
1298     return ERROR_SUCCESS;
1299 }
1300
1301 static UINT table_find_in_column( MSITABLEVIEW *tv, UINT col, UINT val, UINT *row )
1302 {
1303     UINT i, r, x;
1304
1305     for( i=0; i<tv->table->row_count; i++ )
1306     {
1307         r = TABLE_fetch_int( (struct tagMSIVIEW*) tv, i, col, &x );
1308         if ( r != ERROR_SUCCESS )
1309         {
1310             ERR("TABLE_fetch_int shouldn't fail here\n");
1311             break;
1312         }
1313         if ( x == val )
1314         {
1315             *row = i;
1316             return ERROR_SUCCESS;
1317         }
1318     }
1319     return ERROR_FUNCTION_FAILED;
1320 }
1321
1322 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1323 {
1324     LPCWSTR str;
1325     UINT i, val, r, row;
1326     BOOL has_key = FALSE;
1327
1328     /* FIXME: set the MsiViewGetError value */
1329
1330     for( i = 0; i<tv->num_cols; i++ )
1331     {
1332         /* check for duplicate keys */
1333         if( !( tv->columns[i].type & MSITYPE_KEY ) )
1334             continue;
1335
1336         has_key = TRUE;
1337
1338         TRACE("column %d (%s.%s)is a key\n", i,
1339              debugstr_w(tv->columns[i].tablename),
1340              debugstr_w(tv->columns[i].colname) );
1341
1342         val = 0;
1343         if( tv->columns[i].type & MSITYPE_STRING )
1344         {
1345              /* keys can't be null */
1346              str = MSI_RecordGetString( rec, i+1 );
1347              if( !str )
1348                  return ERROR_INVALID_DATA;
1349
1350              /* if the string doesn't exist in the string table yet, it's OK */
1351              r = msi_string2idW( tv->db->strings, str, &val );
1352              if( ERROR_SUCCESS != r )
1353                  return ERROR_SUCCESS;
1354         }
1355         else
1356         {
1357             val = MSI_RecordGetInteger( rec, i+1 );
1358             val ^= 0x8000;
1359         }
1360
1361         /* if we find the same value in the table, it's a duplicate */
1362         row = 0;
1363         r = table_find_in_column( tv, i+1, val, &row );
1364         if( ERROR_SUCCESS != r )
1365             return ERROR_SUCCESS;
1366
1367         TRACE("found in row %d\n", row );
1368     }
1369
1370     if (has_key)
1371         return ERROR_INVALID_DATA;
1372
1373     return ERROR_SUCCESS;
1374 }
1375
1376 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec )
1377 {
1378     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1379     UINT n, type, val, r, row, col_count = 0;
1380
1381     r = TABLE_get_dimensions( view, NULL, &col_count );
1382     if( r )
1383         return r;
1384
1385     row = -1;
1386     r = table_create_new_row( view, &row );
1387     TRACE("insert_row returned %08x\n", r);
1388     if( r )
1389         return r;
1390
1391     for( n = 1; n <= col_count; n++ )
1392     {
1393         r = TABLE_get_column_info( view, n, NULL, &type );
1394         if( r )
1395             break;
1396
1397         if( type & MSITYPE_STRING )
1398         {
1399             const WCHAR *str = MSI_RecordGetString( rec, n );
1400             val = msi_addstringW( tv->db->strings, 0, str, -1, 1 );
1401         }
1402         else
1403         {
1404             val = MSI_RecordGetInteger( rec, n );
1405             val ^= 0x8000;
1406         }
1407         r = TABLE_set_int( view, row, n, val );
1408         if( r )
1409             break;
1410     }
1411
1412     return r;
1413 }
1414
1415 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1416                 MSIRECORD *rec)
1417 {
1418     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1419     UINT r;
1420
1421     TRACE("%p %d %p\n", view, eModifyMode, rec );
1422
1423     if (!tv->table)
1424     {
1425         r = TABLE_execute( view, NULL );
1426         if( r )
1427             return r;
1428     }
1429
1430     switch (eModifyMode)
1431     {
1432     case MSIMODIFY_VALIDATE_NEW:
1433         r = table_validate_new( tv, rec );
1434         break;
1435
1436     case MSIMODIFY_INSERT_TEMPORARY:
1437         r = table_validate_new( tv, rec );
1438         if (r != ERROR_SUCCESS)
1439             break;
1440         r = TABLE_insert_row( view, rec );
1441         break;
1442
1443     case MSIMODIFY_REFRESH:
1444     case MSIMODIFY_INSERT:
1445     case MSIMODIFY_UPDATE:
1446     case MSIMODIFY_ASSIGN:
1447     case MSIMODIFY_REPLACE:
1448     case MSIMODIFY_MERGE:
1449     case MSIMODIFY_DELETE:
1450     case MSIMODIFY_VALIDATE:
1451     case MSIMODIFY_VALIDATE_FIELD:
1452     case MSIMODIFY_VALIDATE_DELETE:
1453         FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1454         r = ERROR_CALL_NOT_IMPLEMENTED;
1455         break;
1456
1457     default:
1458         r = ERROR_INVALID_DATA;
1459     }
1460
1461     return r;
1462 }
1463
1464 static UINT TABLE_delete( struct tagMSIVIEW *view )
1465 {
1466     MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1467
1468     TRACE("%p\n", view );
1469
1470     if( tv->table )
1471         release_table( tv->db, tv->table );
1472     tv->table = NULL;
1473
1474     if( tv->columns )
1475     {
1476         UINT i;
1477         for( i=0; i<tv->num_cols; i++)
1478         {
1479             msi_free( tv->columns[i].colname );
1480             msi_free( tv->columns[i].tablename );
1481         }
1482         msi_free( tv->columns );
1483     }
1484     tv->columns = NULL;
1485
1486     msi_free( tv );
1487
1488     return ERROR_SUCCESS;
1489 }
1490
1491
1492 MSIVIEWOPS table_ops =
1493 {
1494     TABLE_fetch_int,
1495     TABLE_fetch_stream,
1496     TABLE_set_int,
1497     TABLE_insert_row,
1498     TABLE_execute,
1499     TABLE_close,
1500     TABLE_get_dimensions,
1501     TABLE_get_column_info,
1502     TABLE_modify,
1503     TABLE_delete
1504 };
1505
1506 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
1507 {
1508     MSITABLEVIEW *tv ;
1509     UINT r, sz, column_count;
1510     MSICOLUMNINFO *columns, *last_col;
1511
1512     TRACE("%p %s %p\n", db, debugstr_w(name), view );
1513
1514     /* get the number of columns in this table */
1515     column_count = 0;
1516     r = get_tablecolumns( db, name, NULL, &column_count );
1517     if( r != ERROR_SUCCESS )
1518         return r;
1519
1520     /* if there's no columns, there's no table */
1521     if( column_count == 0 )
1522         return ERROR_INVALID_PARAMETER;
1523
1524     TRACE("Table found\n");
1525
1526     sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
1527     tv = msi_alloc_zero( sz );
1528     if( !tv )
1529         return ERROR_FUNCTION_FAILED;
1530
1531     columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO));
1532     if( !columns )
1533     {
1534         msi_free( tv );
1535         return ERROR_FUNCTION_FAILED;
1536     }
1537
1538     r = get_tablecolumns( db, name, columns, &column_count );
1539     if( r != ERROR_SUCCESS )
1540     {
1541         msi_free( columns );
1542         msi_free( tv );
1543         return ERROR_FUNCTION_FAILED;
1544     }
1545
1546     TRACE("Table has %d columns\n", column_count);
1547
1548     last_col = &columns[column_count-1];
1549
1550     /* fill the structure */
1551     tv->view.ops = &table_ops;
1552     tv->db = db;
1553     tv->columns = columns;
1554     tv->num_cols = column_count;
1555     tv->table = NULL;
1556     tv->row_size = last_col->offset + bytes_per_column( last_col );
1557
1558     TRACE("one row is %d bytes\n", tv->row_size );
1559
1560     *view = (MSIVIEW*) tv;
1561     lstrcpyW( tv->name, name );
1562
1563     return ERROR_SUCCESS;
1564 }
1565
1566 UINT MSI_CommitTables( MSIDATABASE *db )
1567 {
1568     UINT r;
1569     MSITABLE *table = NULL;
1570
1571     TRACE("%p\n",db);
1572
1573     r = save_string_table( db );
1574     if( r != ERROR_SUCCESS )
1575     {
1576         WARN("failed to save string table r=%08x\n",r);
1577         return r;
1578     }
1579
1580     LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
1581     {
1582         r = save_table( db, table );
1583         if( r != ERROR_SUCCESS )
1584         {
1585             WARN("failed to save table %s (r=%08x)\n",
1586                   debugstr_w(table->name), r);
1587             return r;
1588         }
1589     }
1590
1591     /* force everything to reload next time */
1592     free_cached_tables( db );
1593
1594     return ERROR_SUCCESS;
1595 }