dlls/shell32/pidl.c

   1 /*
   2  *      pidl Handling
   3  *
   4  *      Copyright 1998  Juergen Schmied
   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  * NOTES
  21  *  a pidl == NULL means desktop and is legal
  22  *
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <ctype.h>
  29 #include <stdarg.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winreg.h"
  35 #include "objbase.h"
  36 #include "shlguid.h"
  37 #include "winerror.h"
  38 #include "winnls.h"
  39 #include "undocshell.h"
  40 #include "shell32_main.h"
  41 #include "shellapi.h"
  42 #include "shlwapi.h"
  43
  44 #include "pidl.h"
  45 #include "debughlp.h"
  46 #include "wine/debug.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(pidl);
  49 WINE_DECLARE_DEBUG_CHANNEL(shell);
  50
  51 /* from comctl32.dll */
  52 extern LPVOID WINAPI Alloc(INT);
  53 extern BOOL WINAPI Free(LPVOID);
  54
  55 /*************************************************************************
  56  * ILGetDisplayNameEx           [SHELL32.186]
  57  *
  58  * Retrieves the display name of an ItemIDList
  59  *
  60  * PARAMS
  61  *  psf        [I]   Shell Folder to start with, if NULL the desktop is used
  62  *  pidl       [I]   ItemIDList relativ to the psf to get the display name for
  63  *  path       [O]   Filled in with the display name, assumed to be at least MAX_PATH long
  64  *  type       [I]   Type of display name to retrieve
  65  *                    0 = SHGDN_FORPARSING | SHGDN_FORADDRESSBAR uses always the desktop as root
  66  *                    1 = SHGDN_NORMAL relative to the root folder
  67  *                    2 = SHGDN_INFOLDER relative to the root folder, only the last name
  68  *
  69  * RETURNS
  70  *  True if the display name could be retrieved successfully, False otherwise
  71  */
  72 BOOL WINAPI ILGetDisplayNameExA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPSTR path, DWORD type)
  73 {
  74         BOOL ret = FALSE;
  75         WCHAR wPath[MAX_PATH];
  76
  77         TRACE("%p %p %p %ld\n", psf, pidl, path, type);
  78
  79         if (!pidl || !path)
  80           return FALSE;
  81
  82         ret = ILGetDisplayNameExW(psf, pidl, wPath, type);
  83         WideCharToMultiByte(CP_ACP, 0, wPath, -1, path, MAX_PATH, NULL, NULL);
  84         TRACE("%p %p %s\n", psf, pidl, debugstr_a(path));
  85
  86         return ret;
  87 }
  88
  89 BOOL WINAPI ILGetDisplayNameExW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPWSTR path, DWORD type)
  90 {
  91         LPSHELLFOLDER psfParent, lsf = psf;
  92         HRESULT ret = NO_ERROR;
  93         LPCITEMIDLIST pidllast;
  94         STRRET strret;
  95         DWORD flag;
  96
  97         TRACE("%p %p %p %ld\n", psf, pidl, path, type);
  98
  99         if (!pidl || !path)
 100           return FALSE;
 101
 102         if (!lsf)
 103         {
 104           ret = SHGetDesktopFolder(&lsf);
 105           if (FAILED(ret))
 106             return FALSE;
 107         }
 108
 109         if (type >= 0 && type <= 2)
 110         {
 111           switch (type)
 112           {
 113             case ILGDN_FORPARSING:
 114               flag = SHGDN_FORPARSING | SHGDN_FORADDRESSBAR;
 115               break;
 116             case ILGDN_NORMAL:
 117               flag = SHGDN_NORMAL;
 118               break;
 119             case ILGDN_INFOLDER:
 120               flag = SHGDN_INFOLDER;
 121               break;
 122             default:
 123               FIXME("Unknown type parameter = %lx", type);
 124               flag = SHGDN_FORPARSING | SHGDN_FORADDRESSBAR;
 125               break;
 126           }
 127           if (!*(LPWORD)pidl || type == ILGDN_FORPARSING)
 128           {
 129             ret = IShellFolder_GetDisplayNameOf(lsf, pidl, flag, &strret);
 130             if (SUCCEEDED(ret))
 131             {
 132               ret = StrRetToStrNW(path, MAX_PATH, &strret, pidl);
 133             }
 134           }
 135           else
 136           {
 137             ret = SHBindToParent(pidl, &IID_IShellFolder, (LPVOID*)&psfParent, &pidllast);
 138             if (SUCCEEDED(ret))
 139             {
 140               ret = IShellFolder_GetDisplayNameOf(psfParent, pidllast, flag, &strret);
 141               if (SUCCEEDED(ret))
 142               {
 143                 ret = StrRetToStrNW(path, MAX_PATH, &strret, pidllast);
 144               }
 145               IShellFolder_Release(psfParent);
 146             }
 147           }
 148         }
 149
 150         TRACE("%p %p %s\n", psf, pidl, debugstr_w(path));
 151
 152         if (!psf)
 153           IShellFolder_Release(lsf);
 154         return SUCCEEDED(ret);
 155 }
 156
 157 BOOL WINAPI ILGetDisplayNameEx(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPVOID path, DWORD type)
 158 {
 159         TRACE_(shell)("%p %p %p %ld\n", psf, pidl, path, type);
 160         if (SHELL_OsIsUnicode())
 161           return ILGetDisplayNameExW(psf, pidl, path, type);
 162         return ILGetDisplayNameExA(psf, pidl, path, type);
 163 }
 164
 165 /*************************************************************************
 166  * ILGetDisplayName                     [SHELL32.15]
 167  */
 168 BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl, LPVOID path)
 169 {
 170         TRACE_(shell)("%p %p\n", pidl, path);
 171         if (SHELL_OsIsUnicode())
 172           return ILGetDisplayNameExW(NULL, pidl, path, ILGDN_FORPARSING);
 173         return ILGetDisplayNameExA(NULL, pidl, path, ILGDN_FORPARSING);
 174 }
 175
 176 /*************************************************************************
 177  * ILFindLastID [SHELL32.16]
 178  *
 179  * NOTES
 180  *   observed: pidl=Desktop return=pidl
 181  */
 182 LPITEMIDLIST WINAPI ILFindLastID(LPCITEMIDLIST pidl)
 183 {       LPCITEMIDLIST   pidlLast = pidl;
 184
 185         TRACE("(pidl=%p)\n",pidl);
 186
 187         while (pidl->mkid.cb)
 188         {
 189           pidlLast = pidl;
 190           pidl = ILGetNext(pidl);
 191         }
 192         return (LPITEMIDLIST)pidlLast;
 193 }
 194 /*************************************************************************
 195  * ILRemoveLastID [SHELL32.17]
 196  *
 197  * NOTES
 198  *   when pidl=Desktop return=FALSE
 199  */
 200 BOOL WINAPI ILRemoveLastID(LPCITEMIDLIST pidl)
 201 {
 202         TRACE_(shell)("pidl=%p\n",pidl);
 203
 204         if (!pidl || !pidl->mkid.cb)
 205           return 0;
 206         ILFindLastID(pidl)->mkid.cb = 0;
 207         return 1;
 208 }
 209
 210 /*************************************************************************
 211  * ILClone [SHELL32.18]
 212  *
 213  * NOTES
 214  *    duplicate an idlist
 215  */
 216 LPITEMIDLIST WINAPI ILClone (LPCITEMIDLIST pidl)
 217 { DWORD    len;
 218   LPITEMIDLIST  newpidl;
 219
 220   if (!pidl)
 221     return NULL;
 222
 223   len = ILGetSize(pidl);
 224   newpidl = (LPITEMIDLIST)SHAlloc(len);
 225   if (newpidl)
 226     memcpy(newpidl,pidl,len);
 227
 228   TRACE("pidl=%p newpidl=%p\n",pidl, newpidl);
 229   pdump(pidl);
 230
 231   return newpidl;
 232 }
 233 /*************************************************************************
 234  * ILCloneFirst [SHELL32.19]
 235  *
 236  * NOTES
 237  *  duplicates the first idlist of a complex pidl
 238  */
 239 LPITEMIDLIST WINAPI ILCloneFirst(LPCITEMIDLIST pidl)
 240 {       DWORD len;
 241         LPITEMIDLIST pidlNew = NULL;
 242
 243         TRACE("pidl=%p \n",pidl);
 244         pdump(pidl);
 245
 246         if (pidl)
 247         {
 248           len = pidl->mkid.cb;
 249           pidlNew = (LPITEMIDLIST) SHAlloc (len+2);
 250           if (pidlNew)
 251           {
 252             memcpy(pidlNew,pidl,len+2);         /* 2 -> mind a desktop pidl */
 253
 254             if (len)
 255               ILGetNext(pidlNew)->mkid.cb = 0x00;
 256           }
 257         }
 258         TRACE("-- newpidl=%p\n",pidlNew);
 259
 260         return pidlNew;
 261 }
 262
 263 /*************************************************************************
 264  * ILLoadFromStream (SHELL32.26)
 265  *
 266  * NOTES
 267  *   the first two bytes are the len, the pidl is following then
 268  */
 269 HRESULT WINAPI ILLoadFromStream (IStream * pStream, LPITEMIDLIST * ppPidl)
 270 {       WORD            wLen = 0;
 271         DWORD           dwBytesRead;
 272         HRESULT         ret = E_FAIL;
 273
 274
 275         TRACE_(shell)("%p %p\n", pStream ,  ppPidl);
 276
 277         if (*ppPidl)
 278         { SHFree(*ppPidl);
 279           *ppPidl = NULL;
 280         }
 281
 282         IStream_AddRef (pStream);
 283
 284         if (SUCCEEDED(IStream_Read(pStream, (LPVOID)&wLen, 2, &dwBytesRead)))
 285         {
 286           TRACE("PIDL length is %d\n", wLen);
 287           if (wLen != 0) {
 288             *ppPidl = SHAlloc (wLen);
 289             if (SUCCEEDED(IStream_Read(pStream, *ppPidl , wLen, &dwBytesRead))) {
 290                 TRACE("Stream read OK\n");
 291                 ret = S_OK;
 292             } else {
 293                 WARN("reading pidl failed\n");
 294                 SHFree(*ppPidl);
 295                 *ppPidl = NULL;
 296             }
 297           } else {
 298             *ppPidl = NULL;
 299             ret = S_OK;
 300           }
 301         }
 302
 303         /* we are not yet fully compatible */
 304         if (*ppPidl && !pcheck(*ppPidl))
 305         {
 306           WARN("Check failed\n");
 307           SHFree(*ppPidl);
 308           *ppPidl = NULL;
 309         }
 310
 311
 312         IStream_Release (pStream);
 313         TRACE("done\n");
 314         return ret;
 315 }
 316
 317 /*************************************************************************
 318  * ILSaveToStream (SHELL32.27)
 319  *
 320  * NOTES
 321  *   the first two bytes are the len, the pidl is following then
 322  */
 323 HRESULT WINAPI ILSaveToStream (IStream * pStream, LPCITEMIDLIST pPidl)
 324 {
 325         LPCITEMIDLIST   pidl;
 326         WORD            wLen = 0;
 327         HRESULT         ret = E_FAIL;
 328
 329         TRACE_(shell)("%p %p\n", pStream, pPidl);
 330
 331         IStream_AddRef (pStream);
 332
 333         pidl = pPidl;
 334         while (pidl->mkid.cb)
 335         {
 336           wLen += sizeof(WORD) + pidl->mkid.cb;
 337           pidl = ILGetNext(pidl);
 338         }
 339
 340         if (SUCCEEDED(IStream_Write(pStream, (LPVOID)&wLen, 2, NULL)))
 341         {
 342           if (SUCCEEDED(IStream_Write(pStream, pPidl, wLen, NULL)))
 343           { ret = S_OK;
 344           }
 345         }
 346         IStream_Release (pStream);
 347
 348         return ret;
 349 }
 350
 351 HRESULT WINAPI SHILCreateFromPathA (LPCSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
 352 {       LPSHELLFOLDER sf;
 353         WCHAR lpszDisplayName[MAX_PATH];
 354         DWORD pchEaten;
 355         HRESULT ret = E_FAIL;
 356
 357         TRACE_(shell)("%s %p 0x%08lx\n",path,ppidl,attributes?*attributes:0);
 358
 359         if (!MultiByteToWideChar( CP_ACP, 0, path, -1, lpszDisplayName, MAX_PATH ))
 360             lpszDisplayName[MAX_PATH-1] = 0;
 361
 362         if (SUCCEEDED (SHGetDesktopFolder(&sf)))
 363         {
 364           ret = IShellFolder_ParseDisplayName(sf,0, NULL,lpszDisplayName,&pchEaten,ppidl,attributes);
 365           IShellFolder_Release(sf);
 366         }
 367         return ret;
 368 }
 369
 370 HRESULT WINAPI SHILCreateFromPathW (LPCWSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
 371 {       LPSHELLFOLDER sf;
 372         DWORD pchEaten;
 373         HRESULT ret = E_FAIL;
 374
 375         TRACE_(shell)("%s %p 0x%08lx\n",debugstr_w(path),ppidl,attributes?*attributes:0);
 376
 377         if (SUCCEEDED (SHGetDesktopFolder(&sf)))
 378         {
 379           ret = IShellFolder_ParseDisplayName(sf,0, NULL, (LPWSTR) path, &pchEaten, ppidl, attributes);
 380           IShellFolder_Release(sf);
 381         }
 382         return ret;
 383 }
 384
 385 /*************************************************************************
 386  * SHILCreateFromPath   [SHELL32.28]
 387  *
 388  * NOTES
 389  *   Wrapper for IShellFolder_ParseDisplayName().
 390  */
 391 HRESULT WINAPI SHILCreateFromPathAW (LPCVOID path, LPITEMIDLIST * ppidl, DWORD * attributes)
 392 {
 393         if ( SHELL_OsIsUnicode())
 394           return SHILCreateFromPathW (path, ppidl, attributes);
 395         return SHILCreateFromPathA (path, ppidl, attributes);
 396 }
 397
 398 /*************************************************************************
 399  * SHCloneSpecialIDList [SHELL32.89]
 400  *
 401  * PARAMETERS
 402  *  hwndOwner   [in]
 403  *  nFolder     [in]    CSIDL_xxxxx ??
 404  *
 405  * RETURNS
 406  *  pidl ??
 407  * NOTES
 408  *     exported by ordinal
 409  */
 410 LPITEMIDLIST WINAPI SHCloneSpecialIDList(HWND hwndOwner,DWORD nFolder,DWORD x3)
 411 {       LPITEMIDLIST ppidl;
 412         WARN_(shell)("(hwnd=%p,csidl=0x%lx,0x%lx):semi-stub.\n",
 413                                          hwndOwner,nFolder,x3);
 414
 415         SHGetSpecialFolderLocation(hwndOwner, nFolder, &ppidl);
 416
 417         return ppidl;
 418 }
 419
 420 /*************************************************************************
 421  * ILGlobalClone [SHELL32.20]
 422  *
 423  */
 424 LPITEMIDLIST WINAPI ILGlobalClone(LPCITEMIDLIST pidl)
 425 {       DWORD    len;
 426         LPITEMIDLIST  newpidl;
 427
 428         if (!pidl)
 429           return NULL;
 430
 431         len = ILGetSize(pidl);
 432         newpidl = (LPITEMIDLIST)Alloc(len);
 433         if (newpidl)
 434           memcpy(newpidl,pidl,len);
 435
 436         TRACE("pidl=%p newpidl=%p\n",pidl, newpidl);
 437         pdump(pidl);
 438
 439         return newpidl;
 440 }
 441
 442 /*************************************************************************
 443  * ILIsEqual [SHELL32.21]
 444  *
 445  */
 446 BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 447 {
 448         char    szData1[MAX_PATH];
 449         char    szData2[MAX_PATH];
 450
 451         LPCITEMIDLIST pidltemp1 = pidl1;
 452         LPCITEMIDLIST pidltemp2 = pidl2;
 453
 454         TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2);
 455
 456         /* explorer reads from registry directly (StreamMRU),
 457            so we can only check here */
 458         if ((!pcheck (pidl1)) || (!pcheck (pidl2))) return FALSE;
 459
 460         pdump (pidl1);
 461         pdump (pidl2);
 462
 463         if ( (!pidl1) || (!pidl2) ) return FALSE;
 464
 465         while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
 466         {
 467             _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
 468             _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
 469
 470             if (strcasecmp ( szData1, szData2 )!=0 )
 471               return FALSE;
 472
 473             pidltemp1 = ILGetNext(pidltemp1);
 474             pidltemp2 = ILGetNext(pidltemp2);
 475         }
 476
 477         if (!pidltemp1->mkid.cb && !pidltemp2->mkid.cb)
 478         {
 479           return TRUE;
 480         }
 481
 482         return FALSE;
 483 }
 484 /*************************************************************************
 485  * ILIsParent [SHELL32.23]
 486  *
 487  * parent=a/b   child=a/b/c -> true, c is in folder a/b
 488  *              child=a/b/c/d -> false if bImmediate is true, d is not in folder a/b
 489  *              child=a/b/c/d -> true if bImmediate is false, d is in a subfolder of a/b
 490  */
 491 BOOL WINAPI ILIsParent( LPCITEMIDLIST pidlParent, LPCITEMIDLIST pidlChild, BOOL bImmediate)
 492 {
 493         char    szData1[MAX_PATH];
 494         char    szData2[MAX_PATH];
 495
 496         LPCITEMIDLIST pParent = pidlParent;
 497         LPCITEMIDLIST pChild = pidlChild;
 498
 499         TRACE("%p %p %x\n", pidlParent, pidlChild, bImmediate);
 500
 501         while (pParent->mkid.cb && pChild->mkid.cb)
 502         {
 503           _ILSimpleGetText(pParent, szData1, MAX_PATH);
 504           _ILSimpleGetText(pChild, szData2, MAX_PATH);
 505
 506           if (strcasecmp ( szData1, szData2 )!=0 )
 507             return FALSE;
 508
 509           pParent = ILGetNext(pParent);
 510           pChild = ILGetNext(pChild);
 511         }
 512
 513         if ( pParent->mkid.cb || ! pChild->mkid.cb)     /* child shorter or has equal length to parent */
 514           return FALSE;
 515
 516         if ( ILGetNext(pChild)->mkid.cb && bImmediate)  /* not immediate descent */
 517           return FALSE;
 518
 519         return TRUE;
 520 }
 521
 522 /*************************************************************************
 523  * ILFindChild [SHELL32.24]
 524  *
 525  * NOTES
 526  *  Compares elements from pidl1 and pidl2.
 527  *
 528  *  pidl1 is desktop            pidl2
 529  *  pidl1 shorter pidl2         pointer to first different element of pidl2
 530  *                              if there was at least one equal element
 531  *  pidl2 shorter pidl1         0
 532  *  pidl2 equal pidl1           pointer to last 0x00-element of pidl2
 533  */
 534 LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 535 {
 536         char    szData1[MAX_PATH];
 537         char    szData2[MAX_PATH];
 538
 539         LPCITEMIDLIST pidltemp1 = pidl1;
 540         LPCITEMIDLIST pidltemp2 = pidl2;
 541         LPCITEMIDLIST ret=NULL;
 542
 543         TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2);
 544
 545         /* explorer reads from registry directly (StreamMRU),
 546            so we can only check here */
 547         if ((!pcheck (pidl1)) || (!pcheck (pidl2)))
 548           return FALSE;
 549
 550         pdump (pidl1);
 551         pdump (pidl2);
 552
 553         if ( _ILIsDesktop(pidl1) )
 554         {
 555           ret = pidl2;
 556         }
 557         else
 558         {
 559           while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
 560           {
 561             _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
 562             _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
 563
 564             if (strcasecmp(szData1,szData2))
 565               break;
 566
 567             pidltemp1 = ILGetNext(pidltemp1);
 568             pidltemp2 = ILGetNext(pidltemp2);
 569             ret = pidltemp2;
 570           }
 571
 572           if (pidltemp1->mkid.cb)
 573           {
 574             ret = NULL; /* elements of pidl1 left*/
 575           }
 576         }
 577         TRACE_(shell)("--- %p\n", ret);
 578         return (LPITEMIDLIST)ret; /* pidl 1 is shorter */
 579 }
 580
 581 /*************************************************************************
 582  * ILCombine [SHELL32.25]
 583  *
 584  * NOTES
 585  *  Concatenates two complex idlists.
 586  *  The pidl is the first one, pidlsub the next one
 587  *  Does not destroy the passed in idlists!
 588  */
 589 LPITEMIDLIST WINAPI ILCombine(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
 590 {
 591         DWORD    len1,len2;
 592         LPITEMIDLIST  pidlNew;
 593
 594         TRACE("pidl=%p pidl=%p\n",pidl1,pidl2);
 595
 596         if(!pidl1 && !pidl2) return NULL;
 597
 598         pdump (pidl1);
 599         pdump (pidl2);
 600
 601         if(!pidl1)
 602         {
 603           pidlNew = ILClone(pidl2);
 604           return pidlNew;
 605         }
 606
 607         if(!pidl2)
 608         {
 609           pidlNew = ILClone(pidl1);
 610           return pidlNew;
 611         }
 612
 613         len1  = ILGetSize(pidl1)-2;
 614         len2  = ILGetSize(pidl2);
 615         pidlNew  = SHAlloc(len1+len2);
 616
 617         if (pidlNew)
 618         {
 619           memcpy(pidlNew,pidl1,len1);
 620           memcpy(((BYTE *)pidlNew)+len1,pidl2,len2);
 621         }
 622
 623         /*  TRACE(pidl,"--new pidl=%p\n",pidlNew);*/
 624         return pidlNew;
 625 }
 626 /*************************************************************************
 627  *  SHGetRealIDL [SHELL32.98]
 628  *
 629  * NOTES
 630  */
 631 LPITEMIDLIST WINAPI SHGetRealIDL(LPSHELLFOLDER lpsf, LPITEMIDLIST pidl, DWORD z)
 632 {
 633         FIXME("sf=%p pidl=%p 0x%04lx\n",lpsf,pidl,z);
 634
 635         pdump (pidl);
 636         return 0;
 637 }
 638
 639 /*************************************************************************
 640  *  SHLogILFromFSIL [SHELL32.95]
 641  *
 642  * NOTES
 643  *  pild = CSIDL_DESKTOP        ret = 0
 644  *  pild = CSIDL_DRIVES         ret = 0
 645  */
 646 LPITEMIDLIST WINAPI SHLogILFromFSIL(LPITEMIDLIST pidl)
 647 {
 648         FIXME("(pidl=%p)\n",pidl);
 649
 650         pdump(pidl);
 651
 652         return 0;
 653 }
 654
 655 /*************************************************************************
 656  * ILGetSize [SHELL32.152]
 657  *  gets the byte size of an idlist including zero terminator (pidl)
 658  *
 659  * PARAMETERS
 660  *  pidl ITEMIDLIST
 661  *
 662  * RETURNS
 663  *  size of pidl
 664  *
 665  * NOTES
 666  *  exported by ordinal
 667  */
 668 DWORD WINAPI ILGetSize(LPCITEMIDLIST pidl)
 669 {
 670         LPCSHITEMID si = &(pidl->mkid);
 671         DWORD  len=0;
 672
 673         if (pidl)
 674         { while (si->cb)
 675           { len += si->cb;
 676             si  = (LPSHITEMID)(((LPBYTE)si)+si->cb);
 677           }
 678           len += 2;
 679         }
 680         TRACE("pidl=%p size=%lu\n",pidl, len);
 681         return len;
 682 }
 683
 684 /*************************************************************************
 685  * ILGetNext [SHELL32.153]
 686  *  gets the next simple pidl of a complex pidl
 687  *
 688  * observed return values:
 689  *  null -> null
 690  *  desktop -> null
 691  *  simple pidl -> pointer to 0x0000 element
 692  *
 693  */
 694 LPITEMIDLIST WINAPI ILGetNext(LPCITEMIDLIST pidl)
 695 {
 696         WORD len;
 697
 698         TRACE("%p\n", pidl);
 699
 700         if(pidl)
 701         {
 702           len =  pidl->mkid.cb;
 703           if (len)
 704           {
 705             pidl = (LPITEMIDLIST) (((LPBYTE)pidl)+len);
 706             TRACE("-- %p\n", pidl);
 707             return (LPITEMIDLIST)pidl;
 708           }
 709         }
 710         return NULL;
 711 }
 712 /*************************************************************************
 713  * ILAppend [SHELL32.154]
 714  *
 715  * NOTES
 716  *  Adds the single item to the idlist indicated by pidl.
 717  *  if bEnd is 0, adds the item to the front of the list,
 718  *  otherwise adds the item to the end. (???)
 719  *  Destroys the passed in idlist! (???)
 720  */
 721 LPITEMIDLIST WINAPI ILAppend(LPITEMIDLIST pidl,LPCITEMIDLIST item,BOOL bEnd)
 722 {
 723         LPITEMIDLIST idlRet;
 724
 725         WARN("(pidl=%p,pidl=%p,%08u)semi-stub\n",pidl,item,bEnd);
 726
 727         pdump (pidl);
 728         pdump (item);
 729
 730         if (_ILIsDesktop(pidl))
 731         {
 732            idlRet = ILClone(item);
 733            if (pidl)
 734              SHFree (pidl);
 735            return idlRet;
 736         }
 737
 738         if (bEnd)
 739         {
 740           idlRet=ILCombine(pidl,item);
 741         }
 742         else
 743         {
 744           idlRet=ILCombine(item,pidl);
 745         }
 746
 747         SHFree(pidl);
 748         return idlRet;
 749 }
 750 /*************************************************************************
 751  * ILFree [SHELL32.155]
 752  *
 753  * NOTES
 754  *     free_check_ptr - frees memory (if not NULL)
 755  *     allocated by SHMalloc allocator
 756  *     exported by ordinal
 757  */
 758 DWORD WINAPI ILFree(LPITEMIDLIST pidl)
 759 {
 760         TRACE("(pidl=0x%08lx)\n",(DWORD)pidl);
 761
 762         if(!pidl) return FALSE;
 763         SHFree(pidl);
 764         return TRUE;
 765 }
 766 /*************************************************************************
 767  * ILGlobalFree [SHELL32.156]
 768  *
 769  */
 770 void WINAPI ILGlobalFree( LPITEMIDLIST pidl)
 771 {
 772         TRACE("%p\n",pidl);
 773
 774         if(!pidl) return;
 775         Free(pidl);
 776 }
 777 /*************************************************************************
 778  * ILCreateFromPath [SHELL32.157]
 779  *
 780  */
 781 LPITEMIDLIST WINAPI ILCreateFromPathA (LPCSTR path)
 782 {
 783         LPITEMIDLIST pidlnew;
 784         DWORD attributes = 0;
 785
 786         TRACE_(shell)("%s\n",path);
 787
 788         if (SUCCEEDED (SHILCreateFromPathA (path, &pidlnew, &attributes)))
 789           return pidlnew;
 790         return FALSE;
 791 }
 792 LPITEMIDLIST WINAPI ILCreateFromPathW (LPCWSTR path)
 793 {
 794         LPITEMIDLIST pidlnew;
 795         DWORD attributes = 0;
 796
 797         TRACE_(shell)("%s\n",debugstr_w(path));
 798
 799         if (SUCCEEDED (SHILCreateFromPathW (path, &pidlnew, &attributes)))
 800           return pidlnew;
 801         return FALSE;
 802 }
 803 LPITEMIDLIST WINAPI ILCreateFromPathAW (LPCVOID path)
 804 {
 805         if ( SHELL_OsIsUnicode())
 806           return ILCreateFromPathW (path);
 807         return ILCreateFromPathA (path);
 808 }
 809 /*************************************************************************
 810  *  SHSimpleIDListFromPath [SHELL32.162]
 811  */
 812 LPITEMIDLIST WINAPI SHSimpleIDListFromPathA (LPCSTR lpszPath)
 813 {
 814         LPITEMIDLIST    pidl=NULL;
 815         HANDLE  hFile;
 816         WIN32_FIND_DATAA        stffile;
 817
 818         TRACE("path=%s\n", lpszPath);
 819
 820         if (!lpszPath) return NULL;
 821
 822         hFile = FindFirstFileA(lpszPath, &stffile);
 823
 824         if ( hFile != INVALID_HANDLE_VALUE )
 825         {
 826           if (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 827           {
 828             pidl = _ILCreateFolder (&stffile);
 829           }
 830           else
 831           {
 832             pidl = _ILCreateValue (&stffile);
 833           }
 834           FindClose (hFile);
 835         }
 836         return pidl;
 837 }
 838 LPITEMIDLIST WINAPI SHSimpleIDListFromPathW (LPCWSTR lpszPath)
 839 {
 840         char    lpszTemp[MAX_PATH];
 841         TRACE("path=%s\n",debugstr_w(lpszPath));
 842
 843         if (!WideCharToMultiByte( CP_ACP, 0, lpszPath, -1, lpszTemp, sizeof(lpszTemp), NULL, NULL ))
 844             lpszTemp[sizeof(lpszTemp)-1] = 0;
 845
 846         return SHSimpleIDListFromPathA (lpszTemp);
 847 }
 848
 849 LPITEMIDLIST WINAPI SHSimpleIDListFromPathAW (LPCVOID lpszPath)
 850 {
 851         if ( SHELL_OsIsUnicode())
 852           return SHSimpleIDListFromPathW (lpszPath);
 853         return SHSimpleIDListFromPathA (lpszPath);
 854 }
 855
 856 /*************************************************************************
 857  * SHGetSpecialFolderLocation           [SHELL32.@]
 858  *
 859  * gets the folder locations from the registry and creates a pidl
 860  * creates missing reg keys and directories
 861  *
 862  * PARAMS
 863  *   hwndOwner [I]
 864  *   nFolder   [I] CSIDL_xxxxx
 865  *   ppidl     [O] PIDL of a special folder
 866  *
 867  */
 868 HRESULT WINAPI SHGetSpecialFolderLocation(
 869         HWND hwndOwner,
 870         INT nFolder,
 871         LPITEMIDLIST * ppidl)
 872 {
 873         CHAR            szPath[MAX_PATH];
 874         HRESULT         hr = E_INVALIDARG;
 875
 876         TRACE_(shell)("(%p,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
 877
 878         if (ppidl)
 879         {
 880           *ppidl = NULL;
 881           switch (nFolder)
 882           {
 883             case CSIDL_DESKTOP:
 884               *ppidl = _ILCreateDesktop();
 885               break;
 886
 887             case CSIDL_DRIVES:
 888               *ppidl = _ILCreateMyComputer();
 889               break;
 890
 891             case CSIDL_NETWORK:
 892               *ppidl = _ILCreateNetwork ();
 893               break;
 894
 895             case CSIDL_CONTROLS:
 896               *ppidl = _ILCreateControl ();
 897               break;
 898
 899             case CSIDL_PRINTERS:
 900               *ppidl = _ILCreatePrinter ();
 901               break;
 902
 903             case CSIDL_BITBUCKET:
 904               *ppidl = _ILCreateBitBucket ();
 905               break;
 906
 907             default:
 908               if (SHGetSpecialFolderPathA(hwndOwner, szPath, nFolder, TRUE))
 909               {
 910                 DWORD attributes=0;
 911                 TRACE_(shell)("Value=%s\n",szPath);
 912                 hr = SHILCreateFromPathA(szPath, ppidl, &attributes);
 913               }
 914           }
 915           if(*ppidl) hr = NOERROR;
 916         }
 917
 918         TRACE_(shell)("-- (new pidl %p)\n",*ppidl);
 919         return hr;
 920 }
 921
 922 /*************************************************************************
 923  * SHGetFolderLocation [SHELL32.@]
 924  *
 925  * NOTES
 926  *  the pidl can be a simple one. since we cant get the path out of the pidl
 927  *  we have to take all data from the pidl
 928  */
 929 HRESULT WINAPI SHGetFolderLocation(
 930         HWND hwnd,
 931         int csidl,
 932         HANDLE hToken,
 933         DWORD dwFlags,
 934         LPITEMIDLIST *ppidl)
 935 {
 936         FIXME("%p 0x%08x %p 0x%08lx %p\n",
 937          hwnd, csidl, hToken, dwFlags, ppidl);
 938         return SHGetSpecialFolderLocation(hwnd, csidl, ppidl);
 939 }
 940
 941 /*************************************************************************
 942  * SHGetDataFromIDListA [SHELL32.247]
 943  *
 944  * NOTES
 945  *  the pidl can be a simple one. since we cant get the path out of the pidl
 946  *  we have to take all data from the pidl
 947  */
 948 HRESULT WINAPI SHGetDataFromIDListA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
 949 {
 950         TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
 951
 952         pdump(pidl);
 953         if (!psf || !dest )  return E_INVALIDARG;
 954
 955         switch (nFormat)
 956         {
 957           case SHGDFIL_FINDDATA:
 958             {
 959                WIN32_FIND_DATAA * pfd = dest;
 960
 961                if ( len < sizeof (WIN32_FIND_DATAA)) return E_INVALIDARG;
 962
 963                ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA));
 964                _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime));
 965                pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0);
 966                pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0);
 967                lstrcpynA(pfd->cFileName,_ILGetTextPointer(pidl), MAX_PATH);
 968                lstrcpynA(pfd->cAlternateFileName,_ILGetSTextPointer(pidl), 14);
 969             }
 970             return NOERROR;
 971
 972           case SHGDFIL_NETRESOURCE:
 973           case SHGDFIL_DESCRIPTIONID:
 974             FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
 975             break;
 976
 977           default:
 978             ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
 979         }
 980
 981         return E_INVALIDARG;
 982 }
 983 /*************************************************************************
 984  * SHGetDataFromIDListW [SHELL32.248]
 985  *
 986  */
 987 HRESULT WINAPI SHGetDataFromIDListW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
 988 {
 989         TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
 990
 991         pdump(pidl);
 992
 993         if (! psf || !dest )  return E_INVALIDARG;
 994
 995         switch (nFormat)
 996         {
 997           case SHGDFIL_FINDDATA:
 998             {
 999                WIN32_FIND_DATAW * pfd = dest;
1000
1001                if ( len < sizeof (WIN32_FIND_DATAW)) return E_INVALIDARG;
1002
1003                ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA));
1004                _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime));
1005                pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0);
1006                pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0);
1007                if (!MultiByteToWideChar( CP_ACP, 0, _ILGetTextPointer(pidl), -1,
1008                                          pfd->cFileName, MAX_PATH ))
1009                    pfd->cFileName[MAX_PATH-1] = 0;
1010                if (!MultiByteToWideChar( CP_ACP, 0, _ILGetSTextPointer(pidl), -1,
1011                                          pfd->cAlternateFileName, 14 ))
1012                    pfd->cFileName[13] = 0;
1013             }
1014             return NOERROR;
1015           case SHGDFIL_NETRESOURCE:
1016           case SHGDFIL_DESCRIPTIONID:
1017             FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
1018             break;
1019
1020           default:
1021             ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
1022         }
1023
1024         return E_INVALIDARG;
1025 }
1026
1027 /*************************************************************************
1028  * SHGetPathFromIDListA         [SHELL32.@][NT 4.0: SHELL32.220]
1029  *
1030  * PARAMETERS
1031  *  pidl,   [IN] pidl
1032  *  pszPath [OUT] path
1033  *
1034  * RETURNS
1035  *  path from a passed PIDL.
1036  *
1037  * NOTES
1038  *      NULL returns FALSE
1039  *      desktop pidl gives path to desktopdirectory back
1040  *      special pidls returning FALSE
1041  */
1042 BOOL WINAPI SHGetPathFromIDListA(LPCITEMIDLIST pidl, LPSTR pszPath)
1043 {
1044         HRESULT hr;
1045         STRRET str;
1046         LPSHELLFOLDER shellfolder;
1047
1048         TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
1049         pdump(pidl);
1050
1051         if (!pidl) return FALSE;
1052
1053         hr = SHGetDesktopFolder(&shellfolder);
1054         if (SUCCEEDED (hr)) {
1055             hr = IShellFolder_GetDisplayNameOf(shellfolder,pidl,SHGDN_FORPARSING,&str);
1056             if(SUCCEEDED(hr)) {
1057                 StrRetToStrNA (pszPath, MAX_PATH, &str, pidl);
1058             }
1059             IShellFolder_Release(shellfolder);
1060         }
1061
1062         TRACE_(shell)("-- %s, 0x%08lx\n",pszPath, hr);
1063         return SUCCEEDED(hr);
1064 }
1065 /*************************************************************************
1066  * SHGetPathFromIDListW                         [SHELL32.@]
1067  */
1068 BOOL WINAPI SHGetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath)
1069 {
1070         HRESULT hr;
1071         STRRET str;
1072         LPSHELLFOLDER shellfolder;
1073
1074         TRACE_(shell)("(pidl=%p,%p)\n", pidl, debugstr_w(pszPath));
1075         pdump(pidl);
1076
1077         if (!pidl) return FALSE;
1078
1079         hr = SHGetDesktopFolder(&shellfolder);
1080         if (SUCCEEDED(hr)) {
1081             hr = IShellFolder_GetDisplayNameOf(shellfolder, pidl, SHGDN_FORPARSING, &str);
1082             if (SUCCEEDED(hr)) {
1083                 StrRetToStrNW(pszPath, MAX_PATH, &str, pidl);
1084             }
1085             IShellFolder_Release(shellfolder);
1086         }
1087
1088         TRACE_(shell)("-- %s, 0x%08lx\n",debugstr_w(pszPath), hr);
1089         return SUCCEEDED(hr);
1090 }
1091
1092 /*************************************************************************
1093  *      SHBindToParent          [shell version 5.0]
1094  */
1095 HRESULT WINAPI SHBindToParent(LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppv, LPCITEMIDLIST *ppidlLast)
1096 {
1097         IShellFolder    * psf;
1098         LPITEMIDLIST    pidlChild, pidlParent;
1099         HRESULT         hr=E_FAIL;
1100
1101         TRACE_(shell)("pidl=%p\n", pidl);
1102         pdump(pidl);
1103
1104         *ppv = NULL;
1105         if (ppidlLast) *ppidlLast = NULL;
1106
1107         if (_ILIsPidlSimple(pidl))
1108         {
1109           /* we are on desktop level */
1110           if (ppidlLast)
1111             *ppidlLast = ILClone(pidl);
1112           hr = SHGetDesktopFolder((IShellFolder**)ppv);
1113         }
1114         else
1115         {
1116           pidlChild =  ILClone(ILFindLastID(pidl));
1117           pidlParent = ILClone(pidl);
1118           ILRemoveLastID(pidlParent);
1119
1120           hr = SHGetDesktopFolder(&psf);
1121
1122           if (SUCCEEDED(hr))
1123             hr = IShellFolder_BindToObject(psf, pidlParent, NULL, riid, ppv);
1124
1125           if (SUCCEEDED(hr) && ppidlLast)
1126             *ppidlLast = pidlChild;
1127           else
1128             ILFree (pidlChild);
1129
1130           SHFree (pidlParent);
1131           if (psf) IShellFolder_Release(psf);
1132         }
1133
1134
1135         TRACE_(shell)("-- psf=%p pidl=%p ret=0x%08lx\n", *ppv, (ppidlLast)?*ppidlLast:NULL, hr);
1136         return hr;
1137 }
1138
1139 /*************************************************************************
1140  * SHGetPathFromIDList          [SHELL32.@][NT 4.0: SHELL32.219]
1141  */
1142 BOOL WINAPI SHGetPathFromIDListAW(LPCITEMIDLIST pidl,LPVOID pszPath)
1143 {
1144         TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
1145
1146         if (SHELL_OsIsUnicode())
1147           return SHGetPathFromIDListW(pidl,pszPath);
1148         return SHGetPathFromIDListA(pidl,pszPath);
1149 }
1150
1151 /**************************************************************************
1152  *
1153  *              internal functions
1154  *
1155  *      ### 1. section creating pidls ###
1156  *
1157  *************************************************************************
1158  *  _ILCreateDesktop()
1159  *  _ILCreateIExplore()
1160  *  _ILCreateMyComputer()
1161  *  _ILCreateDrive()
1162  *  _ILCreateFolder()
1163  *  _ILCreateValue()
1164  */
1165 LPITEMIDLIST _ILCreateDesktop()
1166 {       TRACE("()\n");
1167         return _ILCreate(PT_DESKTOP, NULL, 0);
1168 }
1169
1170 LPITEMIDLIST _ILCreateMyComputer()
1171 {       TRACE("()\n");
1172         return _ILCreate(PT_MYCOMP, &CLSID_MyComputer, sizeof(GUID));
1173 }
1174
1175 LPITEMIDLIST _ILCreateIExplore()
1176 {       TRACE("()\n");
1177         return _ILCreate(PT_MYCOMP, &CLSID_Internet, sizeof(GUID));
1178 }
1179
1180 LPITEMIDLIST _ILCreateControl()
1181 {       TRACE("()\n");
1182         return _ILCreate(PT_SPECIAL, &CLSID_ControlPanel, sizeof(GUID));
1183 }
1184
1185 LPITEMIDLIST _ILCreatePrinter()
1186 {       TRACE("()\n");
1187         return _ILCreate(PT_SPECIAL, &CLSID_Printers, sizeof(GUID));
1188 }
1189
1190 LPITEMIDLIST _ILCreateNetwork()
1191 {       TRACE("()\n");
1192         return _ILCreate(PT_MYCOMP, &CLSID_NetworkPlaces, sizeof(GUID));
1193 }
1194
1195 LPITEMIDLIST _ILCreateBitBucket()
1196 {       TRACE("()\n");
1197         return _ILCreate(PT_MYCOMP, &CLSID_RecycleBin, sizeof(GUID));
1198 }
1199
1200 LPITEMIDLIST _ILCreateDrive( LPCSTR lpszNew)
1201 {       char sTemp[4];
1202         lstrcpynA (sTemp,lpszNew,4);
1203         sTemp[2]='\\';
1204         sTemp[3]=0x00;
1205         TRACE("(%s)\n",sTemp);
1206         return _ILCreate(PT_DRIVE,(LPVOID)&sTemp[0],4);
1207 }
1208
1209 LPITEMIDLIST _ILCreateFolder( WIN32_FIND_DATAA * stffile )
1210 {
1211         char    buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1212         char *  pbuff = buff;
1213         ULONG   len, len1;
1214         LPITEMIDLIST pidl;
1215
1216         TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1217
1218         /* prepare buffer with both names */
1219         len = strlen (stffile->cFileName) + 1;
1220         memcpy (pbuff, stffile->cFileName, len);
1221         pbuff += len;
1222
1223         if (stffile->cAlternateFileName)
1224         {
1225           len1 = strlen (stffile->cAlternateFileName)+1;
1226           memcpy (pbuff, stffile->cAlternateFileName, len1);
1227         }
1228         else
1229         {
1230           len1 = 1;
1231           *pbuff = 0x00;
1232         }
1233
1234         pidl = _ILCreate(PT_FOLDER, (LPVOID)buff, len + len1);
1235
1236         /* set attributes */
1237         if (pidl)
1238         {
1239           LPPIDLDATA pData;
1240           pData = _ILGetDataPointer(pidl);
1241           FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
1242           pData->u.folder.dwFileSize = stffile->nFileSizeLow;
1243           pData->u.folder.uFileAttribs = stffile->dwFileAttributes;
1244         }
1245
1246         return pidl;
1247 }
1248
1249 LPITEMIDLIST _ILCreateValue(WIN32_FIND_DATAA * stffile)
1250 {
1251         char    buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1252         char *  pbuff = buff;
1253         ULONG   len, len1;
1254         LPITEMIDLIST pidl;
1255
1256         TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1257
1258         /* prepare buffer with both names */
1259         len = strlen (stffile->cFileName) + 1;
1260         memcpy (pbuff, stffile->cFileName, len);
1261         pbuff += len;
1262
1263         if (stffile->cAlternateFileName)
1264         {
1265           len1 = strlen (stffile->cAlternateFileName)+1;
1266           memcpy (pbuff, stffile->cAlternateFileName, len1);
1267         }
1268         else
1269         {
1270           len1 = 1;
1271           *pbuff = 0x00;
1272         }
1273
1274         pidl = _ILCreate(PT_VALUE, (LPVOID)buff, len + len1);
1275
1276         /* set attributes */
1277         if (pidl)
1278         {
1279           LPPIDLDATA pData;
1280           pData = _ILGetDataPointer(pidl);
1281           FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
1282           pData->u.folder.dwFileSize = stffile->nFileSizeLow;
1283           pData->u.folder.uFileAttribs=stffile->dwFileAttributes;
1284         }
1285
1286         return pidl;
1287 }
1288
1289 LPITEMIDLIST _ILCreateFromPathA(LPCSTR szPath)
1290 {
1291         HANDLE hFile;
1292         WIN32_FIND_DATAA stffile;
1293         LPITEMIDLIST pidl = NULL;
1294
1295         hFile = FindFirstFileA(szPath, &stffile);
1296         if (hFile != INVALID_HANDLE_VALUE)
1297         {
1298           if (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1299             pidl = _ILCreateFolder(&stffile);
1300           else
1301             pidl = _ILCreateValue(&stffile);
1302           FindClose(hFile);
1303         }
1304         return pidl;
1305 }
1306
1307 LPITEMIDLIST _ILCreateSpecial(LPCSTR szGUID)
1308 {
1309         IID iid;
1310
1311         if (!SUCCEEDED(SHCLSIDFromStringA(szGUID, &iid)))
1312         {
1313           ERR("%s is not a GUID\n", szGUID);
1314           return NULL;
1315         }
1316         return _ILCreate(PT_MYCOMP, &iid, sizeof(IID));
1317 }
1318
1319 /**************************************************************************
1320  *  _ILCreate()
1321  *  Creates a new PIDL
1322  *  type = PT_DESKTOP | PT_DRIVE | PT_FOLDER | PT_VALUE
1323  *  pIn = data
1324  *  uInSize = size of data (raw)
1325  */
1326
1327 LPITEMIDLIST _ILCreate(PIDLTYPE type, LPCVOID pIn, UINT uInSize)
1328 {
1329         LPITEMIDLIST   pidlOut = NULL, pidlTemp = NULL;
1330         LPPIDLDATA     pData;
1331         UINT           uSize = 0;
1332         LPSTR   pszDest;
1333
1334         TRACE("(0x%02x %p %i)\n",type,pIn,uInSize);
1335
1336         switch (type)
1337         {
1338           case PT_DESKTOP:
1339             uSize = 0;
1340             break;
1341           case PT_SPECIAL:
1342           case PT_MYCOMP:
1343             uSize = 2 + 2 + sizeof(GUID);
1344             break;
1345           case PT_DRIVE:
1346             uSize = 2 + 23;
1347             break;
1348           case PT_FOLDER:
1349           case PT_VALUE:
1350             uSize = 2 + 12 + uInSize;
1351             break;
1352           default:
1353             FIXME("can't create type: 0x%08x\n",type);
1354             return NULL;
1355         }
1356
1357         if(!(pidlOut = SHAlloc(uSize + 2))) return NULL;
1358         ZeroMemory(pidlOut, uSize + 2);
1359         pidlOut->mkid.cb = uSize;
1360
1361         switch (type)
1362         {
1363           case PT_DESKTOP:
1364             TRACE("- create Desktop\n");
1365             break;
1366
1367           case PT_SPECIAL:
1368           case PT_MYCOMP:
1369             pData = _ILGetDataPointer(pidlOut);
1370             pData->type = type;
1371             memcpy(&(pData->u.mycomp.guid), pIn, uInSize);
1372             TRACE("-- create GUID-pidl %s\n", debugstr_guid(&(pData->u.mycomp.guid)));
1373             break;
1374
1375           case PT_DRIVE:
1376             pData = _ILGetDataPointer(pidlOut);
1377             pData->type = type;
1378             pszDest = _ILGetTextPointer(pidlOut);
1379             memcpy(pszDest, pIn, uInSize);
1380             TRACE("-- create Drive: %s\n",debugstr_a(pszDest));
1381             break;
1382
1383           case PT_FOLDER:
1384           case PT_VALUE:
1385             pData = _ILGetDataPointer(pidlOut);
1386             pData->type = type;
1387             pszDest =  _ILGetTextPointer(pidlOut);
1388             memcpy(pszDest, pIn, uInSize);
1389             TRACE("-- create Value: %s\n",debugstr_a(pszDest));
1390             break;
1391         }
1392
1393         pidlTemp = ILGetNext(pidlOut);
1394         if (pidlTemp)
1395           pidlTemp->mkid.cb = 0x00;
1396
1397         TRACE("-- (pidl=%p, size=%u)\n", pidlOut, uSize);
1398         return pidlOut;
1399 }
1400
1401 /**************************************************************************
1402  *  _ILGetDrive()
1403  *
1404  *  Gets the text for the drive eg. 'c:\'
1405  *
1406  * RETURNS
1407  *  strlen (lpszText)
1408  */
1409 DWORD _ILGetDrive(LPCITEMIDLIST pidl,LPSTR pOut, UINT uSize)
1410 {       TRACE("(%p,%p,%u)\n",pidl,pOut,uSize);
1411
1412         if(_ILIsMyComputer(pidl))
1413           pidl = ILGetNext(pidl);
1414
1415         if (pidl && _ILIsDrive(pidl))
1416           return _ILSimpleGetText(pidl, pOut, uSize);
1417
1418         return 0;
1419 }
1420
1421 /**************************************************************************
1422  *
1423  *      ### 2. section testing pidls ###
1424  *
1425  **************************************************************************
1426  *  _ILIsDesktop()
1427  *  _ILIsMyComputer()
1428  *  _ILIsSpecialFolder()
1429  *  _ILIsDrive()
1430  *  _ILIsFolder()
1431  *  _ILIsValue()
1432  *  _ILIsPidlSimple()
1433  */
1434 BOOL _ILIsDesktop(LPCITEMIDLIST pidl)
1435 {       TRACE("(%p)\n",pidl);
1436         return pidl && pidl->mkid.cb  ? 0 : 1;
1437 }
1438
1439 BOOL _ILIsMyComputer(LPCITEMIDLIST pidl)
1440 {
1441         REFIID iid = _ILGetGUIDPointer(pidl);
1442
1443         TRACE("(%p)\n",pidl);
1444
1445         if (iid)
1446           return IsEqualIID(iid, &CLSID_MyComputer);
1447         return FALSE;
1448 }
1449
1450 BOOL _ILIsSpecialFolder (LPCITEMIDLIST pidl)
1451 {
1452         LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1453         TRACE("(%p)\n",pidl);
1454         return (pidl && ( (lpPData && (PT_MYCOMP== lpPData->type || PT_SPECIAL== lpPData->type)) ||
1455                           (pidl && pidl->mkid.cb == 0x00)
1456                         ));
1457 }
1458
1459 BOOL _ILIsDrive(LPCITEMIDLIST pidl)
1460 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1461         TRACE("(%p)\n",pidl);
1462         return (pidl && lpPData && (PT_DRIVE == lpPData->type ||
1463                                     PT_DRIVE1 == lpPData->type ||
1464                                     PT_DRIVE2 == lpPData->type ||
1465                                     PT_DRIVE3 == lpPData->type));
1466 }
1467
1468 BOOL _ILIsFolder(LPCITEMIDLIST pidl)
1469 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1470         TRACE("(%p)\n",pidl);
1471         return (pidl && lpPData && (PT_FOLDER == lpPData->type || PT_FOLDER1 == lpPData->type));
1472 }
1473
1474 BOOL _ILIsValue(LPCITEMIDLIST pidl)
1475 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1476         TRACE("(%p)\n",pidl);
1477         return (pidl && lpPData && PT_VALUE == lpPData->type);
1478 }
1479
1480 /**************************************************************************
1481  *      _ILIsPidlSimple
1482  */
1483 BOOL _ILIsPidlSimple ( LPCITEMIDLIST pidl)
1484 {
1485         BOOL ret = TRUE;
1486
1487         if(! _ILIsDesktop(pidl))        /* pidl=NULL or mkid.cb=0 */
1488         {
1489           WORD len = pidl->mkid.cb;
1490           LPCITEMIDLIST pidlnext = (LPCITEMIDLIST) (((LPBYTE)pidl) + len );
1491           if (pidlnext->mkid.cb)
1492             ret = FALSE;
1493         }
1494
1495         TRACE("%s\n", ret ? "Yes" : "No");
1496         return ret;
1497 }
1498
1499 /**************************************************************************
1500  *
1501  *      ### 3. section getting values from pidls ###
1502  */
1503
1504  /**************************************************************************
1505  *  _ILSimpleGetText
1506  *
1507  * gets the text for the first item in the pidl (eg. simple pidl)
1508  *
1509  * returns the length of the string
1510  */
1511 DWORD _ILSimpleGetText (LPCITEMIDLIST pidl, LPSTR szOut, UINT uOutSize)
1512 {
1513         DWORD           dwReturn=0;
1514         LPSTR           szSrc;
1515         GUID const *    riid;
1516         char szTemp[MAX_PATH];
1517
1518         TRACE("(%p %p %x)\n",pidl,szOut,uOutSize);
1519
1520         if (!pidl) return 0;
1521
1522         if (szOut)
1523           *szOut = 0;
1524
1525         if (_ILIsDesktop(pidl))
1526         {
1527          /* desktop */
1528           if (HCR_GetClassNameA(&CLSID_ShellDesktop, szTemp, MAX_PATH))
1529           {
1530             if (szOut)
1531               lstrcpynA(szOut, szTemp, uOutSize);
1532
1533             dwReturn = strlen (szTemp);
1534           }
1535         }
1536         else if (( szSrc = _ILGetTextPointer(pidl) ))
1537         {
1538           /* filesystem */
1539           if (szOut)
1540             lstrcpynA(szOut, szSrc, uOutSize);
1541
1542           dwReturn = strlen(szSrc);
1543         }
1544         else if (( riid = _ILGetGUIDPointer(pidl) ))
1545         {
1546           /* special folder */
1547           if ( HCR_GetClassNameA(riid, szTemp, MAX_PATH) )
1548           {
1549             if (szOut)
1550               lstrcpynA(szOut, szTemp, uOutSize);
1551
1552             dwReturn = strlen (szTemp);
1553           }
1554         }
1555         else
1556         {
1557           ERR("-- no text\n");
1558         }
1559
1560         TRACE("-- (%p=%s 0x%08lx)\n",szOut,debugstr_a(szOut),dwReturn);
1561         return dwReturn;
1562 }
1563
1564  /**************************************************************************
1565  *  _ILSimpleGetTextW
1566  *
1567  * gets the text for the first item in the pidl (eg. simple pidl)
1568  *
1569  * returns the length of the string
1570  */
1571 DWORD _ILSimpleGetTextW (LPCITEMIDLIST pidl, LPWSTR szOut, UINT uOutSize)
1572 {
1573         DWORD   dwReturn;
1574         char    szTemp[MAX_PATH];
1575
1576         TRACE("(%p %p %x)\n",pidl,szOut,uOutSize);
1577
1578         dwReturn = _ILSimpleGetText(pidl, szTemp, uOutSize);
1579
1580         if (!MultiByteToWideChar(CP_ACP, 0, szTemp, -1, szOut, MAX_PATH))
1581                 *szOut = 0;
1582
1583         TRACE("-- (%p=%s 0x%08lx)\n",szOut,debugstr_w(szOut),dwReturn);
1584         return dwReturn;
1585 }
1586
1587 /**************************************************************************
1588  *
1589  *      ### 4. getting pointers to parts of pidls ###
1590  *
1591  **************************************************************************
1592  *  _ILGetDataPointer()
1593  */
1594 LPPIDLDATA _ILGetDataPointer(LPCITEMIDLIST pidl)
1595 {
1596         if(pidl && pidl->mkid.cb != 0x00)
1597           return (LPPIDLDATA) &(pidl->mkid.abID);
1598         return NULL;
1599 }
1600
1601 /**************************************************************************
1602  *  _ILGetTextPointer()
1603  * gets a pointer to the long filename string stored in the pidl
1604  */
1605 LPSTR _ILGetTextPointer(LPCITEMIDLIST pidl)
1606 {/*     TRACE(pidl,"(pidl%p)\n", pidl);*/
1607
1608         LPPIDLDATA pdata = _ILGetDataPointer(pidl);
1609
1610         if (pdata)
1611         {
1612           switch (pdata->type)
1613           {
1614             case PT_MYCOMP:
1615             case PT_SPECIAL:
1616               return NULL;
1617
1618             case PT_DRIVE:
1619             case PT_DRIVE1:
1620             case PT_DRIVE2:
1621             case PT_DRIVE3:
1622               return (LPSTR)&(pdata->u.drive.szDriveName);
1623
1624             case PT_FOLDER:
1625             case PT_FOLDER1:
1626             case PT_VALUE:
1627             case PT_IESPECIAL1:
1628             case PT_IESPECIAL2:
1629               return (LPSTR)&(pdata->u.file.szNames);
1630
1631             case PT_WORKGRP:
1632             case PT_COMP:
1633             case PT_NETWORK:
1634             case PT_NETPROVIDER:
1635             case PT_SHARE:
1636               return (LPSTR)&(pdata->u.network.szNames);
1637           }
1638         }
1639         return NULL;
1640 }
1641
1642 /**************************************************************************
1643  *  _ILGetSTextPointer()
1644  * gets a pointer to the short filename string stored in the pidl
1645  */
1646 LPSTR _ILGetSTextPointer(LPCITEMIDLIST pidl)
1647 {/*     TRACE(pidl,"(pidl%p)\n", pidl);*/
1648
1649         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1650
1651         if (pdata)
1652         {
1653           switch (pdata->type)
1654           {
1655             case PT_FOLDER:
1656             case PT_VALUE:
1657             case PT_IESPECIAL1:
1658             case PT_IESPECIAL2:
1659               return (LPSTR)(pdata->u.file.szNames + strlen (pdata->u.file.szNames) + 1);
1660
1661             case PT_WORKGRP:
1662               return (LPSTR)(pdata->u.network.szNames + strlen (pdata->u.network.szNames) + 1);
1663           }
1664         }
1665         return NULL;
1666 }
1667
1668 /**************************************************************************
1669  * _ILGetGUIDPointer()
1670  *
1671  * returns reference to guid stored in some pidls
1672  */
1673 REFIID _ILGetGUIDPointer(LPCITEMIDLIST pidl)
1674 {
1675         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1676
1677         TRACE("%p\n", pidl);
1678
1679         if (pdata)
1680         {
1681           TRACE("pdata->type 0x%04x\n", pdata->type);
1682           switch (pdata->type)
1683           {
1684             case PT_SPECIAL:
1685             case PT_MYCOMP:
1686               return (REFIID) &(pdata->u.mycomp.guid);
1687
1688             default:
1689                 TRACE("Unknown pidl type 0x%04x\n", pdata->type);
1690                 break;
1691           }
1692         }
1693         return NULL;
1694 }
1695
1696 /*************************************************************************
1697  * _ILGetFileDateTime
1698  *
1699  * Given the ItemIdList, get the FileTime
1700  *
1701  * PARAMS
1702  *      pidl        [I] The ItemIDList
1703  *      pFt         [I] the resulted FILETIME of the file
1704  *
1705  * RETURNS
1706  *     True if Successful
1707  *
1708  * NOTES
1709  *
1710  */
1711 BOOL _ILGetFileDateTime(LPCITEMIDLIST pidl, FILETIME *pFt)
1712 {
1713     LPPIDLDATA pdata = _ILGetDataPointer(pidl);
1714
1715     if(! pdata) return FALSE;
1716
1717     switch (pdata->type)
1718     {
1719         case PT_FOLDER:
1720             DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, pFt);
1721             break;
1722         case PT_VALUE:
1723             DosDateTimeToFileTime(pdata->u.file.uFileDate, pdata->u.file.uFileTime, pFt);
1724             break;
1725         default:
1726             return FALSE;
1727     }
1728     return TRUE;
1729 }
1730
1731 BOOL _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1732 {
1733         FILETIME ft,lft;
1734         SYSTEMTIME time;
1735         BOOL ret;
1736
1737         if (_ILGetFileDateTime( pidl, &ft )) {
1738             FileTimeToLocalFileTime(&ft, &lft);
1739             FileTimeToSystemTime (&lft, &time);
1740             ret = GetDateFormatA(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&time, NULL,  pOut, uOutSize);
1741         } else {
1742             pOut[0] = '\0';
1743             ret = FALSE;
1744         }
1745         return ret;
1746
1747 }
1748
1749 /*************************************************************************
1750  * _ILGetFileSize
1751  *
1752  * Given the ItemIdList, get the FileSize
1753  *
1754  * PARAMS
1755  *      pidl    [I] The ItemIDList
1756  *      pOut    [I] The buffer to save the result
1757  *      uOutsize [I] The size of the buffer
1758  *
1759  * RETURNS
1760  *     The FileSize
1761  *
1762  * NOTES
1763  *      pOut can be null when no string is needed
1764  *
1765  */
1766 DWORD _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1767 {
1768         LPPIDLDATA pdata = _ILGetDataPointer(pidl);
1769         DWORD dwSize;
1770
1771         if(! pdata) return 0;
1772
1773         switch (pdata->type)
1774         {
1775           case PT_VALUE:
1776             dwSize = pdata->u.file.dwFileSize;
1777             if (pOut) StrFormatByteSizeA(dwSize, pOut, uOutSize);
1778             return dwSize;
1779         }
1780         if (pOut) *pOut = 0x00;
1781         return 0;
1782 }
1783
1784 BOOL _ILGetExtension (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1785 {
1786         char szTemp[MAX_PATH];
1787         const char * pPoint;
1788         LPCITEMIDLIST  pidlTemp=pidl;
1789
1790         TRACE("pidl=%p\n",pidl);
1791
1792         if (!pidl) return FALSE;
1793
1794         pidlTemp = ILFindLastID(pidl);
1795
1796         if (!_ILIsValue(pidlTemp)) return FALSE;
1797         if (!_ILSimpleGetText(pidlTemp, szTemp, MAX_PATH)) return FALSE;
1798
1799         pPoint = PathFindExtensionA(szTemp);
1800
1801         if (! *pPoint) return FALSE;
1802
1803         pPoint++;
1804         lstrcpynA(pOut, pPoint, uOutSize);
1805         TRACE("%s\n",pOut);
1806
1807         return TRUE;
1808 }
1809
1810 /*************************************************************************
1811  * _ILGetFileType
1812  *
1813  * Given the ItemIdList, get the file type description
1814  *
1815  * PARAMS
1816  *      pidl        [I] The ItemIDList (simple)
1817  *      pOut        [I] The buffer to save the result
1818  *      uOutsize    [I] The size of the buffer
1819  *
1820  * RETURNS
1821  *      nothing
1822  *
1823  * NOTES
1824  *      This function copies as much as possible into the buffer.
1825  */
1826 void _ILGetFileType(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1827 {
1828         if(_ILIsValue(pidl))
1829         {
1830           char sTemp[64];
1831           if(uOutSize > 0)
1832           {
1833             pOut[0] = 0;
1834           }
1835           if (_ILGetExtension (pidl, sTemp, 64))
1836           {
1837             if (!( HCR_MapTypeToValueA(sTemp, sTemp, 64, TRUE)
1838                 && HCR_MapTypeToValueA(sTemp, pOut, uOutSize, FALSE )))
1839             {
1840               lstrcpynA (pOut, sTemp, uOutSize - 6);
1841               strcat (pOut, "-file");
1842             }
1843           }
1844         }
1845         else
1846         {
1847           lstrcpynA(pOut, "Folder", uOutSize);
1848         }
1849 }
1850
1851 /*************************************************************************
1852  * _ILGetFileAttributes
1853  *
1854  * Given the ItemIdList, get the Attrib string format
1855  *
1856  * PARAMS
1857  *      pidl        [I] The ItemIDList
1858  *      pOut        [I] The buffer to save the result
1859  *      uOutsize    [I] The size of the Buffer
1860  *
1861  * RETURNS
1862  *     Attributes
1863  *
1864  * FIXME
1865  *  return value 0 in case of error is a valid return value
1866  *
1867  */
1868 DWORD _ILGetFileAttributes(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1869 {
1870         LPPIDLDATA pData = _ILGetDataPointer(pidl);
1871         WORD wAttrib = 0;
1872         int i;
1873
1874         if(! pData) return 0;
1875
1876         switch(pData->type)
1877         {
1878           case PT_FOLDER:
1879             wAttrib = pData->u.folder.uFileAttribs;
1880             break;
1881           case PT_VALUE:
1882             wAttrib = pData->u.file.uFileAttribs;
1883             break;
1884         }
1885
1886         if(uOutSize >= 6)
1887         {
1888           i=0;
1889           if(wAttrib & FILE_ATTRIBUTE_READONLY)
1890           {
1891             pOut[i++] = 'R';
1892           }
1893           if(wAttrib & FILE_ATTRIBUTE_HIDDEN)
1894           {
1895             pOut[i++] = 'H';
1896           }
1897           if(wAttrib & FILE_ATTRIBUTE_SYSTEM)
1898           {
1899             pOut[i++] = 'S';
1900           }
1901           if(wAttrib & FILE_ATTRIBUTE_ARCHIVE)
1902           {
1903             pOut[i++] = 'A';
1904           }
1905           if(wAttrib & FILE_ATTRIBUTE_COMPRESSED)
1906           {
1907             pOut[i++] = 'C';
1908           }
1909           pOut[i] = 0x00;
1910         }
1911         return wAttrib;
1912 }
1913
1914 /*************************************************************************
1915 * ILFreeaPidl
1916 *
1917 * free a aPidl struct
1918 */
1919 void _ILFreeaPidl(LPITEMIDLIST * apidl, UINT cidl)
1920 {
1921         UINT   i;
1922
1923         if (apidl)
1924         {
1925           for (i = 0; i < cidl; i++) SHFree(apidl[i]);
1926           SHFree(apidl);
1927         }
1928 }
1929
1930 /*************************************************************************
1931 * ILCopyaPidl
1932 *
1933 * copies an aPidl struct
1934 */
1935 LPITEMIDLIST* _ILCopyaPidl(LPCITEMIDLIST * apidlsrc, UINT cidl)
1936 {
1937         UINT i;
1938         LPITEMIDLIST * apidldest = (LPITEMIDLIST*)SHAlloc(cidl * sizeof(LPITEMIDLIST));
1939         if(!apidlsrc) return NULL;
1940
1941         for (i = 0; i < cidl; i++)
1942           apidldest[i] = ILClone(apidlsrc[i]);
1943
1944         return apidldest;
1945 }
1946
1947 /*************************************************************************
1948 * _ILCopyCidaToaPidl
1949 *
1950 * creates aPidl from CIDA
1951 */
1952 LPITEMIDLIST* _ILCopyCidaToaPidl(LPITEMIDLIST* pidl, LPIDA cida)
1953 {
1954         UINT i;
1955         LPITEMIDLIST * dst = (LPITEMIDLIST*)SHAlloc(cida->cidl * sizeof(LPITEMIDLIST));
1956
1957         if(!dst) return NULL;
1958
1959         if (pidl)
1960           *pidl = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[0]]));
1961
1962         for (i = 0; i < cida->cidl; i++)
1963           dst[i] = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[i + 1]]));
1964
1965         return dst;
1966 }