git.oblomov.eu Git - wine/blob - 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 <ctype.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include "winbase.h"
  29 #include "winreg.h"
  30 #include "shlguid.h"
  31 #include "winerror.h"
  32 #include "winnls.h"
  33 #include "undocshell.h"
  34 #include "shell32_main.h"
  35 #include "shellapi.h"
  36 #include "shlwapi.h"
  37
  38 #include "pidl.h"
  39 #include "debughlp.h"
  40 #include "wine/debug.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(pidl);
  43 WINE_DECLARE_DEBUG_CHANNEL(shell);
  44
  45
  46 /*************************************************************************
  47  * ILGetDisplayName                     [SHELL32.15]
  48  */
  49 BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl,LPSTR path)
  50 {
  51         TRACE_(shell)("pidl=%p %p semi-stub\n",pidl,path);
  52         return SHGetPathFromIDListA(pidl, path);
  53 }
  54 /*************************************************************************
  55  * ILFindLastID [SHELL32.16]
  56  *
  57  * NOTES
  58  *   observed: pidl=Desktop return=pidl
  59  */
  60 LPITEMIDLIST WINAPI ILFindLastID(LPITEMIDLIST pidl)
  61 {       LPITEMIDLIST   pidlLast = pidl;
  62
  63         TRACE("(pidl=%p)\n",pidl);
  64
  65         while (pidl->mkid.cb)
  66         {
  67           pidlLast = pidl;
  68           pidl = ILGetNext(pidl);
  69         }
  70         return pidlLast;
  71 }
  72 /*************************************************************************
  73  * ILRemoveLastID [SHELL32.17]
  74  *
  75  * NOTES
  76  *   when pidl=Desktop return=FALSE
  77  */
  78 BOOL WINAPI ILRemoveLastID(LPCITEMIDLIST pidl)
  79 {
  80         TRACE_(shell)("pidl=%p\n",pidl);
  81
  82         if (!pidl || !pidl->mkid.cb)
  83           return 0;
  84         ILFindLastID(pidl)->mkid.cb = 0;
  85         return 1;
  86 }
  87
  88 /*************************************************************************
  89  * ILClone [SHELL32.18]
  90  *
  91  * NOTES
  92  *    duplicate an idlist
  93  */
  94 LPITEMIDLIST WINAPI ILClone (LPCITEMIDLIST pidl)
  95 { DWORD    len;
  96   LPITEMIDLIST  newpidl;
  97
  98   if (!pidl)
  99     return NULL;
 100
 101   len = ILGetSize(pidl);
 102   newpidl = (LPITEMIDLIST)SHAlloc(len);
 103   if (newpidl)
 104     memcpy(newpidl,pidl,len);
 105
 106   TRACE("pidl=%p newpidl=%p\n",pidl, newpidl);
 107   pdump(pidl);
 108
 109   return newpidl;
 110 }
 111 /*************************************************************************
 112  * ILCloneFirst [SHELL32.19]
 113  *
 114  * NOTES
 115  *  duplicates the first idlist of a complex pidl
 116  */
 117 LPITEMIDLIST WINAPI ILCloneFirst(LPCITEMIDLIST pidl)
 118 {       DWORD len;
 119         LPITEMIDLIST pidlNew = NULL;
 120
 121         TRACE("pidl=%p \n",pidl);
 122         pdump(pidl);
 123
 124         if (pidl)
 125         {
 126           len = pidl->mkid.cb;
 127           pidlNew = (LPITEMIDLIST) SHAlloc (len+2);
 128           if (pidlNew)
 129           {
 130             memcpy(pidlNew,pidl,len+2);         /* 2 -> mind a desktop pidl */
 131
 132             if (len)
 133               ILGetNext(pidlNew)->mkid.cb = 0x00;
 134           }
 135         }
 136         TRACE("-- newpidl=%p\n",pidlNew);
 137
 138         return pidlNew;
 139 }
 140
 141 /*************************************************************************
 142  * ILLoadFromStream (SHELL32.26)
 143  *
 144  * NOTES
 145  *   the first two bytes are the len, the pidl is following then
 146  */
 147 HRESULT WINAPI ILLoadFromStream (IStream * pStream, LPITEMIDLIST * ppPidl)
 148 {       WORD            wLen = 0;
 149         DWORD           dwBytesRead;
 150         HRESULT         ret = E_FAIL;
 151
 152
 153         TRACE_(shell)("%p %p\n", pStream ,  ppPidl);
 154
 155         if (*ppPidl)
 156         { SHFree(*ppPidl);
 157           *ppPidl = NULL;
 158         }
 159
 160         IStream_AddRef (pStream);
 161
 162         if (SUCCEEDED(IStream_Read(pStream, (LPVOID)&wLen, 2, &dwBytesRead)))
 163         { *ppPidl = SHAlloc (wLen);
 164           if (SUCCEEDED(IStream_Read(pStream, *ppPidl , wLen, &dwBytesRead)))
 165           { ret = S_OK;
 166           }
 167           else
 168           { SHFree(*ppPidl);
 169             *ppPidl = NULL;
 170           }
 171         }
 172
 173         /* we are not yet fully compatible */
 174         if (!pcheck(*ppPidl))
 175         { SHFree(*ppPidl);
 176           *ppPidl = NULL;
 177         }
 178
 179
 180         IStream_Release (pStream);
 181
 182         return ret;
 183 }
 184
 185 /*************************************************************************
 186  * ILSaveToStream (SHELL32.27)
 187  *
 188  * NOTES
 189  *   the first two bytes are the len, the pidl is following then
 190  */
 191 HRESULT WINAPI ILSaveToStream (IStream * pStream, LPCITEMIDLIST pPidl)
 192 {
 193         LPITEMIDLIST    pidl;
 194         WORD            wLen = 0;
 195         HRESULT         ret = E_FAIL;
 196
 197         TRACE_(shell)("%p %p\n", pStream, pPidl);
 198
 199         IStream_AddRef (pStream);
 200
 201         pidl = pPidl;
 202         while (pidl->mkid.cb)
 203         {
 204           wLen += sizeof(WORD) + pidl->mkid.cb;
 205           pidl = ILGetNext(pidl);
 206         }
 207
 208         if (SUCCEEDED(IStream_Write(pStream, (LPVOID)&wLen, 2, NULL)))
 209         {
 210           if (SUCCEEDED(IStream_Write(pStream, pPidl, wLen, NULL)))
 211           { ret = S_OK;
 212           }
 213         }
 214
 215
 216         IStream_Release (pStream);
 217
 218         return ret;
 219 }
 220
 221 /*************************************************************************
 222  * SHILCreateFromPath   [SHELL32.28]
 223  *
 224  * NOTES
 225  *   wraper for IShellFolder::ParseDisplayName()
 226  */
 227 HRESULT WINAPI SHILCreateFromPathA (LPCSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
 228 {       LPSHELLFOLDER sf;
 229         WCHAR lpszDisplayName[MAX_PATH];
 230         DWORD pchEaten;
 231         HRESULT ret = E_FAIL;
 232
 233         TRACE_(shell)("%s %p 0x%08lx\n",path,ppidl,attributes?*attributes:0);
 234
 235         if (!MultiByteToWideChar( CP_ACP, 0, path, -1, lpszDisplayName, MAX_PATH ))
 236             lpszDisplayName[MAX_PATH-1] = 0;
 237
 238         if (SUCCEEDED (SHGetDesktopFolder(&sf)))
 239         {
 240           ret = IShellFolder_ParseDisplayName(sf,0, NULL,lpszDisplayName,&pchEaten,ppidl,attributes);
 241           IShellFolder_Release(sf);
 242         }
 243         return ret;
 244 }
 245 HRESULT WINAPI SHILCreateFromPathW (LPCWSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
 246 {       LPSHELLFOLDER sf;
 247         DWORD pchEaten;
 248         HRESULT ret = E_FAIL;
 249
 250         TRACE_(shell)("%s %p 0x%08lx\n",debugstr_w(path),ppidl,attributes?*attributes:0);
 251
 252         if (SUCCEEDED (SHGetDesktopFolder(&sf)))
 253         {
 254           ret = IShellFolder_ParseDisplayName(sf,0, NULL, (LPWSTR) path, &pchEaten, ppidl, attributes);
 255           IShellFolder_Release(sf);
 256         }
 257         return ret;
 258 }
 259 HRESULT WINAPI SHILCreateFromPathAW (LPCVOID path, LPITEMIDLIST * ppidl, DWORD * attributes)
 260 {
 261         if ( SHELL_OsIsUnicode())
 262           return SHILCreateFromPathW (path, ppidl, attributes);
 263         return SHILCreateFromPathA (path, ppidl, attributes);
 264 }
 265
 266 /*************************************************************************
 267  * SHCloneSpecialIDList [SHELL32.89]
 268  *
 269  * PARAMETERS
 270  *  hwndOwner   [in]
 271  *  nFolder     [in]    CSIDL_xxxxx ??
 272  *
 273  * RETURNS
 274  *  pidl ??
 275  * NOTES
 276  *     exported by ordinal
 277  */
 278 LPITEMIDLIST WINAPI SHCloneSpecialIDList(HWND hwndOwner,DWORD nFolder,DWORD x3)
 279 {       LPITEMIDLIST ppidl;
 280         WARN_(shell)("(hwnd=0x%x,csidl=0x%lx,0x%lx):semi-stub.\n",
 281                                          hwndOwner,nFolder,x3);
 282
 283         SHGetSpecialFolderLocation(hwndOwner, nFolder, &ppidl);
 284
 285         return ppidl;
 286 }
 287
 288 /*************************************************************************
 289  * ILGlobalClone [SHELL32.20]
 290  *
 291  */
 292 LPITEMIDLIST WINAPI ILGlobalClone(LPCITEMIDLIST pidl)
 293 {       DWORD    len;
 294         LPITEMIDLIST  newpidl;
 295
 296         if (!pidl)
 297           return NULL;
 298
 299         len = ILGetSize(pidl);
 300         newpidl = (LPITEMIDLIST)pCOMCTL32_Alloc(len);
 301         if (newpidl)
 302           memcpy(newpidl,pidl,len);
 303
 304         TRACE("pidl=%p newpidl=%p\n",pidl, newpidl);
 305         pdump(pidl);
 306
 307         return newpidl;
 308 }
 309
 310 /*************************************************************************
 311  * ILIsEqual [SHELL32.21]
 312  *
 313  */
 314 BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 315 {
 316         char    szData1[MAX_PATH];
 317         char    szData2[MAX_PATH];
 318
 319         LPITEMIDLIST pidltemp1 = pidl1;
 320         LPITEMIDLIST pidltemp2 = pidl2;
 321
 322         TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2);
 323
 324         /* explorer reads from registry directly (StreamMRU),
 325            so we can only check here */
 326         if ((!pcheck (pidl1)) || (!pcheck (pidl2))) return FALSE;
 327
 328         pdump (pidl1);
 329         pdump (pidl2);
 330
 331         if ( (!pidl1) || (!pidl2) ) return FALSE;
 332
 333         while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
 334         {
 335             _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
 336             _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
 337
 338             if (strcasecmp ( szData1, szData2 )!=0 )
 339               return FALSE;
 340
 341             pidltemp1 = ILGetNext(pidltemp1);
 342             pidltemp2 = ILGetNext(pidltemp2);
 343         }
 344
 345         if (!pidltemp1->mkid.cb && !pidltemp2->mkid.cb)
 346         {
 347           return TRUE;
 348         }
 349
 350         return FALSE;
 351 }
 352 /*************************************************************************
 353  * ILIsParent [SHELL32.23]
 354  *
 355  * parent=a/b   child=a/b/c -> true, c is in folder a/b
 356  *              child=a/b/c/d -> false if bImmediate is true, d is not in folder a/b
 357  *              child=a/b/c/d -> true if bImmediate is false, d is in a subfolder of a/b
 358  */
 359 BOOL WINAPI ILIsParent( LPCITEMIDLIST pidlParent, LPCITEMIDLIST pidlChild, BOOL bImmediate)
 360 {
 361         char    szData1[MAX_PATH];
 362         char    szData2[MAX_PATH];
 363
 364         LPITEMIDLIST pParent = pidlParent;
 365         LPITEMIDLIST pChild = pidlChild;
 366
 367         TRACE("%p %p %x\n", pidlParent, pidlChild, bImmediate);
 368
 369         while (pParent->mkid.cb && pChild->mkid.cb)
 370         {
 371           _ILSimpleGetText(pParent, szData1, MAX_PATH);
 372           _ILSimpleGetText(pChild, szData2, MAX_PATH);
 373
 374           if (strcasecmp ( szData1, szData2 )!=0 )
 375             return FALSE;
 376
 377           pParent = ILGetNext(pParent);
 378           pChild = ILGetNext(pChild);
 379         }
 380
 381         if ( pParent->mkid.cb || ! pChild->mkid.cb)     /* child shorter or has equal length to parent */
 382           return FALSE;
 383
 384         if ( ILGetNext(pChild)->mkid.cb && bImmediate)  /* not immediate descent */
 385           return FALSE;
 386
 387         return TRUE;
 388 }
 389
 390 /*************************************************************************
 391  * ILFindChild [SHELL32.24]
 392  *
 393  * NOTES
 394  *  Compares elements from pidl1 and pidl2.
 395  *
 396  *  pidl1 is desktop            pidl2
 397  *  pidl1 shorter pidl2         pointer to first different element of pidl2
 398  *                              if there was at least one equal element
 399  *  pidl2 shorter pidl1         0
 400  *  pidl2 equal pidl1           pointer to last 0x00-element of pidl2
 401  */
 402 LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
 403 {
 404         char    szData1[MAX_PATH];
 405         char    szData2[MAX_PATH];
 406
 407         LPITEMIDLIST pidltemp1 = pidl1;
 408         LPITEMIDLIST pidltemp2 = pidl2;
 409         LPITEMIDLIST ret=NULL;
 410
 411         TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2);
 412
 413         /* explorer reads from registry directly (StreamMRU),
 414            so we can only check here */
 415         if ((!pcheck (pidl1)) || (!pcheck (pidl2)))
 416           return FALSE;
 417
 418         pdump (pidl1);
 419         pdump (pidl2);
 420
 421         if ( _ILIsDesktop(pidl1) )
 422         {
 423           ret = pidl2;
 424         }
 425         else
 426         {
 427           while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
 428           {
 429             _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
 430             _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
 431
 432             if (strcasecmp(szData1,szData2))
 433               break;
 434
 435             pidltemp1 = ILGetNext(pidltemp1);
 436             pidltemp2 = ILGetNext(pidltemp2);
 437             ret = pidltemp2;
 438           }
 439
 440           if (pidltemp1->mkid.cb)
 441           {
 442             ret = NULL; /* elements of pidl1 left*/
 443           }
 444         }
 445         TRACE_(shell)("--- %p\n", ret);
 446         return ret; /* pidl 1 is shorter */
 447 }
 448
 449 /*************************************************************************
 450  * ILCombine [SHELL32.25]
 451  *
 452  * NOTES
 453  *  Concatenates two complex idlists.
 454  *  The pidl is the first one, pidlsub the next one
 455  *  Does not destroy the passed in idlists!
 456  */
 457 LPITEMIDLIST WINAPI ILCombine(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
 458 {
 459         DWORD    len1,len2;
 460         LPITEMIDLIST  pidlNew;
 461
 462         TRACE("pidl=%p pidl=%p\n",pidl1,pidl2);
 463
 464         if(!pidl1 && !pidl2) return NULL;
 465
 466         pdump (pidl1);
 467         pdump (pidl2);
 468
 469         if(!pidl1)
 470         {
 471           pidlNew = ILClone(pidl2);
 472           return pidlNew;
 473         }
 474
 475         if(!pidl2)
 476         {
 477           pidlNew = ILClone(pidl1);
 478           return pidlNew;
 479         }
 480
 481         len1  = ILGetSize(pidl1)-2;
 482         len2  = ILGetSize(pidl2);
 483         pidlNew  = SHAlloc(len1+len2);
 484
 485         if (pidlNew)
 486         {
 487           memcpy(pidlNew,pidl1,len1);
 488           memcpy(((BYTE *)pidlNew)+len1,pidl2,len2);
 489         }
 490
 491         /*  TRACE(pidl,"--new pidl=%p\n",pidlNew);*/
 492         return pidlNew;
 493 }
 494 /*************************************************************************
 495  *  SHGetRealIDL [SHELL32.98]
 496  *
 497  * NOTES
 498  */
 499 LPITEMIDLIST WINAPI SHGetRealIDL(LPSHELLFOLDER lpsf, LPITEMIDLIST pidl, DWORD z)
 500 {
 501         FIXME("sf=%p pidl=%p 0x%04lx\n",lpsf,pidl,z);
 502
 503         pdump (pidl);
 504         return 0;
 505 }
 506
 507 /*************************************************************************
 508  *  SHLogILFromFSIL [SHELL32.95]
 509  *
 510  * NOTES
 511  *  pild = CSIDL_DESKTOP        ret = 0
 512  *  pild = CSIDL_DRIVES         ret = 0
 513  */
 514 LPITEMIDLIST WINAPI SHLogILFromFSIL(LPITEMIDLIST pidl)
 515 {
 516         FIXME("(pidl=%p)\n",pidl);
 517
 518         pdump(pidl);
 519
 520         return 0;
 521 }
 522
 523 /*************************************************************************
 524  * ILGetSize [SHELL32.152]
 525  *  gets the byte size of an idlist including zero terminator (pidl)
 526  *
 527  * PARAMETERS
 528  *  pidl ITEMIDLIST
 529  *
 530  * RETURNS
 531  *  size of pidl
 532  *
 533  * NOTES
 534  *  exported by ordinal
 535  */
 536 DWORD WINAPI ILGetSize(LPITEMIDLIST pidl)
 537 {
 538         LPSHITEMID si = &(pidl->mkid);
 539         DWORD  len=0;
 540
 541         if (pidl)
 542         { while (si->cb)
 543           { len += si->cb;
 544             si  = (LPSHITEMID)(((LPBYTE)si)+si->cb);
 545           }
 546           len += 2;
 547         }
 548         TRACE("pidl=%p size=%lu\n",pidl, len);
 549         return len;
 550 }
 551
 552 /*************************************************************************
 553  * ILGetNext [SHELL32.153]
 554  *  gets the next simple pidl of a complex pidl
 555  *
 556  * observed return values:
 557  *  null -> null
 558  *  desktop -> null
 559  *  simple pidl -> pointer to 0x0000 element
 560  *
 561  */
 562 LPITEMIDLIST WINAPI ILGetNext(LPITEMIDLIST pidl)
 563 {
 564         WORD len;
 565
 566         if(pidl)
 567         {
 568           len =  pidl->mkid.cb;
 569           if (len)
 570           {
 571             pidl = (LPITEMIDLIST) (((LPBYTE)pidl)+len);
 572             return pidl;
 573           }
 574         }
 575         return NULL;
 576 }
 577 /*************************************************************************
 578  * ILAppend [SHELL32.154]
 579  *
 580  * NOTES
 581  *  Adds the single item to the idlist indicated by pidl.
 582  *  if bEnd is 0, adds the item to the front of the list,
 583  *  otherwise adds the item to the end. (???)
 584  *  Destroys the passed in idlist! (???)
 585  */
 586 LPITEMIDLIST WINAPI ILAppend(LPITEMIDLIST pidl,LPCITEMIDLIST item,BOOL bEnd)
 587 {
 588         LPITEMIDLIST idlRet;
 589
 590         WARN("(pidl=%p,pidl=%p,%08u)semi-stub\n",pidl,item,bEnd);
 591
 592         pdump (pidl);
 593         pdump (item);
 594
 595         if (_ILIsDesktop(pidl))
 596         {
 597            idlRet = ILClone(item);
 598            if (pidl)
 599              SHFree (pidl);
 600            return idlRet;
 601         }
 602
 603         if (bEnd)
 604         {
 605           idlRet=ILCombine(pidl,item);
 606         }
 607         else
 608         {
 609           idlRet=ILCombine(item,pidl);
 610         }
 611
 612         SHFree(pidl);
 613         return idlRet;
 614 }
 615 /*************************************************************************
 616  * ILFree [SHELL32.155]
 617  *
 618  * NOTES
 619  *     free_check_ptr - frees memory (if not NULL)
 620  *     allocated by SHMalloc allocator
 621  *     exported by ordinal
 622  */
 623 DWORD WINAPI ILFree(LPITEMIDLIST pidl)
 624 {
 625         TRACE("(pidl=0x%08lx)\n",(DWORD)pidl);
 626
 627         if(!pidl) return FALSE;
 628         SHFree(pidl);
 629         return TRUE;
 630 }
 631 /*************************************************************************
 632  * ILGlobalFree [SHELL32.156]
 633  *
 634  */
 635 void WINAPI ILGlobalFree( LPCITEMIDLIST pidl)
 636 {
 637         TRACE("%p\n",pidl);
 638
 639         if(!pidl) return;
 640         pCOMCTL32_Free(pidl);
 641 }
 642 /*************************************************************************
 643  * ILCreateFromPath [SHELL32.157]
 644  *
 645  */
 646 LPITEMIDLIST WINAPI ILCreateFromPathA (LPCSTR path)
 647 {
 648         LPITEMIDLIST pidlnew;
 649         DWORD attributes = 0;
 650
 651         TRACE_(shell)("%s\n",path);
 652
 653         if (SUCCEEDED (SHILCreateFromPathA (path, &pidlnew, &attributes)))
 654           return pidlnew;
 655         return FALSE;
 656 }
 657 LPITEMIDLIST WINAPI ILCreateFromPathW (LPCWSTR path)
 658 {
 659         LPITEMIDLIST pidlnew;
 660         DWORD attributes = 0;
 661
 662         TRACE_(shell)("%s\n",debugstr_w(path));
 663
 664         if (SUCCEEDED (SHILCreateFromPathW (path, &pidlnew, &attributes)))
 665           return pidlnew;
 666         return FALSE;
 667 }
 668 LPITEMIDLIST WINAPI ILCreateFromPathAW (LPCVOID path)
 669 {
 670         if ( SHELL_OsIsUnicode())
 671           return ILCreateFromPathW (path);
 672         return ILCreateFromPathA (path);
 673 }
 674 /*************************************************************************
 675  *  SHSimpleIDListFromPath [SHELL32.162]
 676  */
 677 LPITEMIDLIST WINAPI SHSimpleIDListFromPathA (LPCSTR lpszPath)
 678 {
 679         LPITEMIDLIST    pidl=NULL;
 680         HANDLE  hFile;
 681         WIN32_FIND_DATAA        stffile;
 682
 683         TRACE("path=%s\n", lpszPath);
 684
 685         if (!lpszPath) return NULL;
 686
 687         hFile = FindFirstFileA(lpszPath, &stffile);
 688
 689         if ( hFile != INVALID_HANDLE_VALUE )
 690         {
 691           if (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 692           {
 693             pidl = _ILCreateFolder (&stffile);
 694           }
 695           else
 696           {
 697             pidl = _ILCreateValue (&stffile);
 698           }
 699           FindClose (hFile);
 700         }
 701         return pidl;
 702 }
 703 LPITEMIDLIST WINAPI SHSimpleIDListFromPathW (LPCWSTR lpszPath)
 704 {
 705         char    lpszTemp[MAX_PATH];
 706         TRACE("path=%s\n",debugstr_w(lpszPath));
 707
 708         if (!WideCharToMultiByte( CP_ACP, 0, lpszPath, -1, lpszTemp, sizeof(lpszTemp), NULL, NULL ))
 709             lpszTemp[sizeof(lpszTemp)-1] = 0;
 710
 711         return SHSimpleIDListFromPathA (lpszTemp);
 712 }
 713
 714 LPITEMIDLIST WINAPI SHSimpleIDListFromPathAW (LPCVOID lpszPath)
 715 {
 716         if ( SHELL_OsIsUnicode())
 717           return SHSimpleIDListFromPathW (lpszPath);
 718         return SHSimpleIDListFromPathA (lpszPath);
 719 }
 720
 721 /*************************************************************************
 722  * SHGetSpecialFolderLocation           [SHELL32.@]
 723  *
 724  * gets the folder locations from the registry and creates a pidl
 725  * creates missing reg keys and directories
 726  *
 727  * PARAMS
 728  *   hwndOwner [I]
 729  *   nFolder   [I] CSIDL_xxxxx
 730  *   ppidl     [O] PIDL of a special folder
 731  *
 732  */
 733 HRESULT WINAPI SHGetSpecialFolderLocation(
 734         HWND hwndOwner,
 735         INT nFolder,
 736         LPITEMIDLIST * ppidl)
 737 {
 738         CHAR            szPath[MAX_PATH];
 739         HRESULT         hr = E_INVALIDARG;
 740
 741         TRACE_(shell)("(%04x,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
 742
 743         if (ppidl)
 744         {
 745           *ppidl = NULL;
 746           switch (nFolder)
 747           {
 748             case CSIDL_DESKTOP:
 749               *ppidl = _ILCreateDesktop();
 750               break;
 751
 752             case CSIDL_DRIVES:
 753               *ppidl = _ILCreateMyComputer();
 754               break;
 755
 756             case CSIDL_NETWORK:
 757               *ppidl = _ILCreateNetwork ();
 758               break;
 759
 760             case CSIDL_CONTROLS:
 761               *ppidl = _ILCreateControl ();
 762               break;
 763
 764             case CSIDL_PRINTERS:
 765               *ppidl = _ILCreatePrinter ();
 766               break;
 767
 768             case CSIDL_BITBUCKET:
 769               *ppidl = _ILCreateBitBucket ();
 770               break;
 771
 772             default:
 773               if (SHGetSpecialFolderPathA(hwndOwner, szPath, nFolder, TRUE))
 774               {
 775                 DWORD attributes=0;
 776                 TRACE_(shell)("Value=%s\n",szPath);
 777                 hr = SHILCreateFromPathA(szPath, ppidl, &attributes);
 778               }
 779           }
 780           if(*ppidl) hr = NOERROR;
 781         }
 782
 783         TRACE_(shell)("-- (new pidl %p)\n",*ppidl);
 784         return hr;
 785 }
 786
 787 /*************************************************************************
 788  * SHGetFolderLocation [SHELL32.@]
 789  *
 790  * NOTES
 791  *  the pidl can be a simple one. since we cant get the path out of the pidl
 792  *  we have to take all data from the pidl
 793  */
 794 HRESULT WINAPI SHGetFolderLocation(
 795         HWND hwnd,
 796         int csidl,
 797         HANDLE hToken,
 798         DWORD dwFlags,
 799         LPITEMIDLIST *ppidl)
 800 {
 801         FIXME("0x%04x 0x%08x 0x%08x 0x%08lx %p\n",
 802          hwnd, csidl, hToken, dwFlags, ppidl);
 803         return SHGetSpecialFolderLocation(hwnd, csidl, ppidl);
 804 }
 805
 806 /*************************************************************************
 807  * SHGetDataFromIDListA [SHELL32.247]
 808  *
 809  * NOTES
 810  *  the pidl can be a simple one. since we cant get the path out of the pidl
 811  *  we have to take all data from the pidl
 812  */
 813 HRESULT WINAPI SHGetDataFromIDListA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
 814 {
 815         TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
 816
 817         pdump(pidl);
 818         if (!psf || !dest )  return E_INVALIDARG;
 819
 820         switch (nFormat)
 821         {
 822           case SHGDFIL_FINDDATA:
 823             {
 824                WIN32_FIND_DATAA * pfd = dest;
 825
 826                if ( len < sizeof (WIN32_FIND_DATAA)) return E_INVALIDARG;
 827
 828                ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA));
 829                _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime));
 830                pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0);
 831                pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0);
 832                lstrcpynA(pfd->cFileName,_ILGetTextPointer(pidl), MAX_PATH);
 833                lstrcpynA(pfd->cAlternateFileName,_ILGetSTextPointer(pidl), 14);
 834             }
 835             return NOERROR;
 836
 837           case SHGDFIL_NETRESOURCE:
 838           case SHGDFIL_DESCRIPTIONID:
 839             FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
 840             break;
 841
 842           default:
 843             ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
 844         }
 845
 846         return E_INVALIDARG;
 847 }
 848 /*************************************************************************
 849  * SHGetDataFromIDListW [SHELL32.248]
 850  *
 851  */
 852 HRESULT WINAPI SHGetDataFromIDListW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
 853 {
 854         TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
 855
 856         pdump(pidl);
 857
 858         if (! psf || !dest )  return E_INVALIDARG;
 859
 860         switch (nFormat)
 861         {
 862           case SHGDFIL_FINDDATA:
 863             {
 864                WIN32_FIND_DATAW * pfd = dest;
 865
 866                if ( len < sizeof (WIN32_FIND_DATAW)) return E_INVALIDARG;
 867
 868                ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA));
 869                _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime));
 870                pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0);
 871                pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0);
 872                if (!MultiByteToWideChar( CP_ACP, 0, _ILGetTextPointer(pidl), -1,
 873                                          pfd->cFileName, MAX_PATH ))
 874                    pfd->cFileName[MAX_PATH-1] = 0;
 875                if (!MultiByteToWideChar( CP_ACP, 0, _ILGetSTextPointer(pidl), -1,
 876                                          pfd->cAlternateFileName, 14 ))
 877                    pfd->cFileName[13] = 0;
 878             }
 879             return NOERROR;
 880           case SHGDFIL_NETRESOURCE:
 881           case SHGDFIL_DESCRIPTIONID:
 882             FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
 883             break;
 884
 885           default:
 886             ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
 887         }
 888
 889         return E_INVALIDARG;
 890 }
 891
 892 /*************************************************************************
 893  * SHGetPathFromIDListA         [SHELL32.@][NT 4.0: SHELL32.220]
 894  *
 895  * PARAMETERS
 896  *  pidl,   [IN] pidl
 897  *  pszPath [OUT] path
 898  *
 899  * RETURNS
 900  *  path from a passed PIDL.
 901  *
 902  * NOTES
 903  *      NULL returns FALSE
 904  *      desktop pidl gives path to desktopdirectory back
 905  *      special pidls returning FALSE
 906  *
 907  * FIXME
 908  *  fnGetDisplayNameOf can return different types of OLEString
 909  */
 910 BOOL WINAPI SHGetPathFromIDListA (LPCITEMIDLIST pidl,LPSTR pszPath)
 911 {       STRRET str;
 912         LPSHELLFOLDER shellfolder;
 913
 914         TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
 915
 916         if (!pidl) return FALSE;
 917
 918         pdump(pidl);
 919
 920         if(_ILIsDesktop(pidl))
 921         {
 922            SHGetSpecialFolderPathA(0, pszPath, CSIDL_DESKTOPDIRECTORY, FALSE);
 923         }
 924         else if (_ILIsSpecialFolder(ILFindLastID(pidl)))
 925         {
 926           /* we are somewhere in a special folder */
 927           return FALSE;
 928         }
 929         else
 930         {
 931           if (SHGetDesktopFolder(&shellfolder)==S_OK)
 932           {
 933             if(!SUCCEEDED(IShellFolder_GetDisplayNameOf(shellfolder,pidl,SHGDN_FORPARSING,&str))) {
 934               IShellFolder_Release(shellfolder);
 935               return FALSE;
 936             }
 937             StrRetToStrNA (pszPath, MAX_PATH, &str, pidl);
 938             IShellFolder_Release(shellfolder);
 939           }
 940         }
 941         TRACE_(shell)("-- (%s)\n",pszPath);
 942
 943         return TRUE;
 944 }
 945 /*************************************************************************
 946  * SHGetPathFromIDListW                         [SHELL32.@]
 947  */
 948 BOOL WINAPI SHGetPathFromIDListW (LPCITEMIDLIST pidl,LPWSTR pszPath)
 949 {       char sTemp[MAX_PATH];
 950
 951         TRACE_(shell)("(pidl=%p)\n", pidl);
 952
 953         SHGetPathFromIDListA (pidl, sTemp);
 954         MultiByteToWideChar( CP_ACP, 0, sTemp, -1, pszPath, MAX_PATH );
 955
 956         TRACE_(shell)("-- (%s)\n",debugstr_w(pszPath));
 957
 958         return TRUE;
 959 }
 960
 961 /*************************************************************************
 962  *      SHBindToParent          [shell version 5.0]
 963  */
 964 HRESULT WINAPI SHBindToParent(LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppv, LPCITEMIDLIST *ppidlLast)
 965 {
 966         IShellFolder    * psf;
 967         LPITEMIDLIST    pidlChild, pidlParent;
 968         HRESULT         hr=E_FAIL;
 969
 970         TRACE_(shell)("pidl=%p\n", pidl);
 971         pdump(pidl);
 972
 973         *ppv = NULL;
 974         if (ppidlLast) *ppidlLast = NULL;
 975
 976         if (_ILIsPidlSimple(pidl))
 977         {
 978           /* we are on desktop level */
 979           if (ppidlLast)
 980             *ppidlLast = ILClone(pidl);
 981           hr = SHGetDesktopFolder((IShellFolder**)ppv);
 982         }
 983         else
 984         {
 985           pidlChild =  ILClone(ILFindLastID(pidl));
 986           pidlParent = ILClone(pidl);
 987           ILRemoveLastID(pidlParent);
 988
 989           hr = SHGetDesktopFolder(&psf);
 990
 991           if (SUCCEEDED(hr))
 992             hr = IShellFolder_BindToObject(psf, pidlParent, NULL, riid, ppv);
 993
 994           if (SUCCEEDED(hr) && ppidlLast)
 995             *ppidlLast = pidlChild;
 996           else
 997             ILFree (pidlChild);
 998
 999           SHFree (pidlParent);
1000           if (psf) IShellFolder_Release(psf);
1001         }
1002
1003
1004         TRACE_(shell)("-- psf=%p pidl=%p ret=0x%08lx\n", *ppv, (ppidlLast)?*ppidlLast:NULL, hr);
1005         return hr;
1006 }
1007
1008 /*************************************************************************
1009  * SHGetPathFromIDList          [SHELL32.@][NT 4.0: SHELL32.219]
1010  */
1011 BOOL WINAPI SHGetPathFromIDListAW(LPCITEMIDLIST pidl,LPVOID pszPath)
1012 {
1013         TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
1014
1015         if (SHELL_OsIsUnicode())
1016           return SHGetPathFromIDListW(pidl,pszPath);
1017         return SHGetPathFromIDListA(pidl,pszPath);
1018 }
1019
1020 /**************************************************************************
1021  *
1022  *              internal functions
1023  *
1024  *      ### 1. section creating pidls ###
1025  *
1026  *************************************************************************
1027  *  _ILCreateDesktop()
1028  *  _ILCreateIExplore()
1029  *  _ILCreateMyComputer()
1030  *  _ILCreateDrive()
1031  *  _ILCreateFolder()
1032  *  _ILCreateValue()
1033  */
1034 LPITEMIDLIST _ILCreateDesktop()
1035 {       TRACE("()\n");
1036         return _ILCreate(PT_DESKTOP, NULL, 0);
1037 }
1038
1039 LPITEMIDLIST _ILCreateMyComputer()
1040 {       TRACE("()\n");
1041         return _ILCreate(PT_MYCOMP, &CLSID_MyComputer, sizeof(GUID));
1042 }
1043
1044 LPITEMIDLIST _ILCreateIExplore()
1045 {       TRACE("()\n");
1046         return _ILCreate(PT_MYCOMP, &CLSID_Internet, sizeof(GUID));
1047 }
1048
1049 LPITEMIDLIST _ILCreateControl()
1050 {       TRACE("()\n");
1051         return _ILCreate(PT_SPECIAL, &CLSID_ControlPanel, sizeof(GUID));
1052 }
1053
1054 LPITEMIDLIST _ILCreatePrinter()
1055 {       TRACE("()\n");
1056         return _ILCreate(PT_SPECIAL, &CLSID_Printers, sizeof(GUID));
1057 }
1058
1059 LPITEMIDLIST _ILCreateNetwork()
1060 {       TRACE("()\n");
1061         return _ILCreate(PT_MYCOMP, &CLSID_NetworkPlaces, sizeof(GUID));
1062 }
1063
1064 LPITEMIDLIST _ILCreateBitBucket()
1065 {       TRACE("()\n");
1066         return _ILCreate(PT_MYCOMP, &CLSID_RecycleBin, sizeof(GUID));
1067 }
1068
1069 LPITEMIDLIST _ILCreateDrive( LPCSTR lpszNew)
1070 {       char sTemp[4];
1071         lstrcpynA (sTemp,lpszNew,4);
1072         sTemp[2]='\\';
1073         sTemp[3]=0x00;
1074         TRACE("(%s)\n",sTemp);
1075         return _ILCreate(PT_DRIVE,(LPVOID)&sTemp[0],4);
1076 }
1077
1078 LPITEMIDLIST _ILCreateFolder( WIN32_FIND_DATAA * stffile )
1079 {
1080         char    buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1081         char *  pbuff = buff;
1082         ULONG   len, len1;
1083         LPITEMIDLIST pidl;
1084
1085         TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1086
1087         /* prepare buffer with both names */
1088         len = strlen (stffile->cFileName) + 1;
1089         memcpy (pbuff, stffile->cFileName, len);
1090         pbuff += len;
1091
1092         if (stffile->cAlternateFileName)
1093         {
1094           len1 = strlen (stffile->cAlternateFileName)+1;
1095           memcpy (pbuff, stffile->cAlternateFileName, len1);
1096         }
1097         else
1098         {
1099           len1 = 1;
1100           *pbuff = 0x00;
1101         }
1102
1103         pidl = _ILCreate(PT_FOLDER, (LPVOID)buff, len + len1);
1104
1105         /* set attributes */
1106         if (pidl)
1107         {
1108           LPPIDLDATA pData;
1109           pData = _ILGetDataPointer(pidl);
1110           FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
1111           pData->u.folder.dwFileSize = stffile->nFileSizeLow;
1112           pData->u.folder.uFileAttribs=stffile->dwFileAttributes;
1113         }
1114
1115         return pidl;
1116 }
1117
1118 LPITEMIDLIST _ILCreateValue(WIN32_FIND_DATAA * stffile)
1119 {
1120         char    buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1121         char *  pbuff = buff;
1122         ULONG   len, len1;
1123         LPITEMIDLIST pidl;
1124
1125         TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1126
1127         /* prepare buffer with both names */
1128         len = strlen (stffile->cFileName) + 1;
1129         memcpy (pbuff, stffile->cFileName, len);
1130         pbuff += len;
1131
1132         if (stffile->cAlternateFileName)
1133         {
1134           len1 = strlen (stffile->cAlternateFileName)+1;
1135           memcpy (pbuff, stffile->cAlternateFileName, len1);
1136         }
1137         else
1138         {
1139           len1 = 1;
1140           *pbuff = 0x00;
1141         }
1142
1143         pidl = _ILCreate(PT_VALUE, (LPVOID)buff, len + len1);
1144
1145         /* set attributes */
1146         if (pidl)
1147         {
1148           LPPIDLDATA pData;
1149           pData = _ILGetDataPointer(pidl);
1150           FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
1151           pData->u.folder.dwFileSize = stffile->nFileSizeLow;
1152           pData->u.folder.uFileAttribs=stffile->dwFileAttributes;
1153         }
1154
1155         return pidl;
1156 }
1157
1158 LPITEMIDLIST _ILCreateSpecial(LPCSTR szGUID)
1159 {
1160     IID iid;
1161     WCHAR buffer[40];
1162
1163     if (!MultiByteToWideChar( CP_ACP, 0, szGUID, -1, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1164         return NULL;
1165     CLSIDFromString( buffer, &iid );
1166     return _ILCreate(PT_MYCOMP, &iid, sizeof(IID));
1167 }
1168
1169 /**************************************************************************
1170  *  _ILCreate()
1171  *  Creates a new PIDL
1172  *  type = PT_DESKTOP | PT_DRIVE | PT_FOLDER | PT_VALUE
1173  *  pIn = data
1174  *  uInSize = size of data (raw)
1175  */
1176
1177 LPITEMIDLIST _ILCreate(PIDLTYPE type, LPCVOID pIn, UINT uInSize)
1178 {
1179         LPITEMIDLIST   pidlOut = NULL, pidlTemp = NULL;
1180         LPPIDLDATA     pData;
1181         UINT           uSize = 0;
1182         LPSTR   pszDest;
1183
1184         TRACE("(0x%02x %p %i)\n",type,pIn,uInSize);
1185
1186         switch (type)
1187         {
1188           case PT_DESKTOP:
1189             uSize = 0;
1190             break;
1191           case PT_SPECIAL:
1192           case PT_MYCOMP:
1193             uSize = 2 + 2 + sizeof(GUID);
1194             break;
1195           case PT_DRIVE:
1196             uSize = 2 + 23;
1197             break;
1198           case PT_FOLDER:
1199           case PT_VALUE:
1200             uSize = 2 + 12 + uInSize;
1201             break;
1202           default:
1203             FIXME("can't create type: 0x%08x\n",type);
1204             return NULL;
1205         }
1206
1207         if(!(pidlOut = SHAlloc(uSize + 2))) return NULL;
1208         ZeroMemory(pidlOut, uSize + 2);
1209         pidlOut->mkid.cb = uSize;
1210
1211         switch (type)
1212         {
1213           case PT_DESKTOP:
1214             TRACE("- create Desktop\n");
1215             break;
1216
1217           case PT_SPECIAL:
1218           case PT_MYCOMP:
1219             pData =_ILGetDataPointer(pidlOut);
1220             pData->type = type;
1221             memcpy(&(pData->u.mycomp.guid), pIn, uInSize);
1222             TRACE("- create GUID-pidl\n");
1223             break;
1224
1225           case PT_DRIVE:
1226             pData =_ILGetDataPointer(pidlOut);
1227             pData->type = type;
1228             pszDest = _ILGetTextPointer(pidlOut);
1229             memcpy(pszDest, pIn, uInSize);
1230             TRACE("- create Drive: %s\n",debugstr_a(pszDest));
1231             break;
1232
1233           case PT_FOLDER:
1234           case PT_VALUE:
1235             pData =_ILGetDataPointer(pidlOut);
1236             pData->type = type;
1237             pszDest =  _ILGetTextPointer(pidlOut);
1238             memcpy(pszDest, pIn, uInSize);
1239             TRACE("- create Value: %s\n",debugstr_a(pszDest));
1240             break;
1241         }
1242
1243         pidlTemp = ILGetNext(pidlOut);
1244         if (pidlTemp)
1245           pidlTemp->mkid.cb = 0x00;
1246
1247         TRACE("-- (pidl=%p, size=%u)\n", pidlOut, uSize);
1248         return pidlOut;
1249 }
1250
1251 /**************************************************************************
1252  *  _ILGetDrive()
1253  *
1254  *  Gets the text for the drive eg. 'c:\'
1255  *
1256  * RETURNS
1257  *  strlen (lpszText)
1258  */
1259 DWORD _ILGetDrive(LPCITEMIDLIST pidl,LPSTR pOut, UINT uSize)
1260 {       TRACE("(%p,%p,%u)\n",pidl,pOut,uSize);
1261
1262         if(_ILIsMyComputer(pidl))
1263           pidl = ILGetNext(pidl);
1264
1265         if (pidl && _ILIsDrive(pidl))
1266           return _ILSimpleGetText(pidl, pOut, uSize);
1267
1268         return 0;
1269 }
1270
1271 /**************************************************************************
1272  *
1273  *      ### 2. section testing pidls ###
1274  *
1275  **************************************************************************
1276  *  _ILIsDesktop()
1277  *  _ILIsMyComputer()
1278  *  _ILIsSpecialFolder()
1279  *  _ILIsDrive()
1280  *  _ILIsFolder()
1281  *  _ILIsValue()
1282  *  _ILIsPidlSimple()
1283  */
1284 BOOL _ILIsDesktop(LPCITEMIDLIST pidl)
1285 {       TRACE("(%p)\n",pidl);
1286         return ( !pidl || (pidl && pidl->mkid.cb == 0x00) );
1287 }
1288
1289 BOOL _ILIsMyComputer(LPCITEMIDLIST pidl)
1290 {
1291         REFIID iid = _ILGetGUIDPointer(pidl);
1292
1293         TRACE("(%p)\n",pidl);
1294
1295         if (iid)
1296           return IsEqualIID(iid, &CLSID_MyComputer);
1297         return FALSE;
1298 }
1299
1300 BOOL _ILIsSpecialFolder (LPCITEMIDLIST pidl)
1301 {
1302         LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1303         TRACE("(%p)\n",pidl);
1304         return (pidl && ( (lpPData && (PT_MYCOMP== lpPData->type || PT_SPECIAL== lpPData->type)) ||
1305                           (pidl && pidl->mkid.cb == 0x00)
1306                         ));
1307 }
1308
1309 BOOL _ILIsDrive(LPCITEMIDLIST pidl)
1310 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1311         TRACE("(%p)\n",pidl);
1312         return (pidl && lpPData && (PT_DRIVE == lpPData->type ||
1313                                     PT_DRIVE1 == lpPData->type ||
1314                                     PT_DRIVE2 == lpPData->type ||
1315                                     PT_DRIVE3 == lpPData->type));
1316 }
1317
1318 BOOL _ILIsFolder(LPCITEMIDLIST pidl)
1319 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1320         TRACE("(%p)\n",pidl);
1321         return (pidl && lpPData && (PT_FOLDER == lpPData->type || PT_FOLDER1 == lpPData->type));
1322 }
1323
1324 BOOL _ILIsValue(LPCITEMIDLIST pidl)
1325 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1326         TRACE("(%p)\n",pidl);
1327         return (pidl && lpPData && PT_VALUE == lpPData->type);
1328 }
1329
1330 /**************************************************************************
1331  *      _ILIsPidlSimple
1332  */
1333 BOOL _ILIsPidlSimple ( LPCITEMIDLIST pidl)
1334 {
1335         BOOL ret = TRUE;
1336
1337         if(! _ILIsDesktop(pidl))        /* pidl=NULL or mkid.cb=0 */
1338         {
1339           WORD len = pidl->mkid.cb;
1340           LPCITEMIDLIST pidlnext = (LPCITEMIDLIST) (((LPBYTE)pidl) + len );
1341           if (pidlnext->mkid.cb)
1342             ret = FALSE;
1343         }
1344
1345         TRACE("%s\n", ret ? "Yes" : "No");
1346         return ret;
1347 }
1348
1349 /**************************************************************************
1350  *
1351  *      ### 3. section getting values from pidls ###
1352  */
1353
1354  /**************************************************************************
1355  *  _ILSimpleGetText
1356  *
1357  * gets the text for the first item in the pidl (eg. simple pidl)
1358  *
1359  * returns the length of the string
1360  */
1361 DWORD _ILSimpleGetText (LPCITEMIDLIST pidl, LPSTR szOut, UINT uOutSize)
1362 {
1363         DWORD           dwReturn=0;
1364         LPSTR           szSrc;
1365         GUID const *    riid;
1366         char szTemp[MAX_PATH];
1367
1368         TRACE("(%p %p %x)\n",pidl,szOut,uOutSize);
1369
1370         if (!pidl) return 0;
1371
1372         if (szOut)
1373           *szOut = 0;
1374
1375         if (_ILIsDesktop(pidl))
1376         {
1377          /* desktop */
1378           if (HCR_GetClassName(&CLSID_ShellDesktop, szTemp, MAX_PATH))
1379           {
1380             if (szOut)
1381               lstrcpynA(szOut, szTemp, uOutSize);
1382
1383             dwReturn = strlen (szTemp);
1384           }
1385         }
1386         else if (( szSrc = _ILGetTextPointer(pidl) ))
1387         {
1388           /* filesystem */
1389           if (szOut)
1390             lstrcpynA(szOut, szSrc, uOutSize);
1391
1392           dwReturn = strlen(szSrc);
1393         }
1394         else if (( riid = _ILGetGUIDPointer(pidl) ))
1395         {
1396           /* special folder */
1397           if ( HCR_GetClassName(riid, szTemp, MAX_PATH) )
1398           {
1399             if (szOut)
1400               lstrcpynA(szOut, szTemp, uOutSize);
1401
1402             dwReturn = strlen (szTemp);
1403           }
1404         }
1405         else
1406         {
1407           ERR("-- no text\n");
1408         }
1409
1410         TRACE("-- (%p=%s 0x%08lx)\n",szOut,debugstr_a(szOut),dwReturn);
1411         return dwReturn;
1412 }
1413
1414 /**************************************************************************
1415  *
1416  *      ### 4. getting pointers to parts of pidls ###
1417  *
1418  **************************************************************************
1419  *  _ILGetDataPointer()
1420  */
1421 LPPIDLDATA _ILGetDataPointer(LPITEMIDLIST pidl)
1422 {
1423         if(pidl && pidl->mkid.cb != 0x00)
1424           return (LPPIDLDATA) &(pidl->mkid.abID);
1425         return NULL;
1426 }
1427
1428 /**************************************************************************
1429  *  _ILGetTextPointer()
1430  * gets a pointer to the long filename string stored in the pidl
1431  */
1432 LPSTR _ILGetTextPointer(LPCITEMIDLIST pidl)
1433 {/*     TRACE(pidl,"(pidl%p)\n", pidl);*/
1434
1435         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1436
1437         if (pdata)
1438         {
1439           switch (pdata->type)
1440           {
1441             case PT_MYCOMP:
1442             case PT_SPECIAL:
1443               return NULL;
1444
1445             case PT_DRIVE:
1446             case PT_DRIVE1:
1447             case PT_DRIVE2:
1448             case PT_DRIVE3:
1449               return (LPSTR)&(pdata->u.drive.szDriveName);
1450
1451             case PT_FOLDER:
1452             case PT_FOLDER1:
1453             case PT_VALUE:
1454             case PT_IESPECIAL1:
1455             case PT_IESPECIAL2:
1456               return (LPSTR)&(pdata->u.file.szNames);
1457
1458             case PT_WORKGRP:
1459             case PT_COMP:
1460             case PT_NETWORK:
1461             case PT_SHARE:
1462               return (LPSTR)&(pdata->u.network.szNames);
1463           }
1464         }
1465         return NULL;
1466 }
1467
1468 /**************************************************************************
1469  *  _ILGetSTextPointer()
1470  * gets a pointer to the short filename string stored in the pidl
1471  */
1472 LPSTR _ILGetSTextPointer(LPCITEMIDLIST pidl)
1473 {/*     TRACE(pidl,"(pidl%p)\n", pidl);*/
1474
1475         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1476
1477         if (pdata)
1478         {
1479           switch (pdata->type)
1480           {
1481             case PT_FOLDER:
1482             case PT_VALUE:
1483             case PT_IESPECIAL1:
1484             case PT_IESPECIAL2:
1485               return (LPSTR)(pdata->u.file.szNames + strlen (pdata->u.file.szNames) + 1);
1486
1487             case PT_WORKGRP:
1488               return (LPSTR)(pdata->u.network.szNames + strlen (pdata->u.network.szNames) + 1);
1489           }
1490         }
1491         return NULL;
1492 }
1493
1494 /**************************************************************************
1495  * _ILGetGUIDPointer()
1496  *
1497  * returns reference to guid stored in some pidls
1498  */
1499 REFIID _ILGetGUIDPointer(LPCITEMIDLIST pidl)
1500 {
1501         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1502
1503         TRACE("%p\n", pidl);
1504
1505         if (pdata)
1506         {
1507           TRACE("pdata->type 0x%04x\n", pdata->type);
1508           switch (pdata->type)
1509           {
1510             case PT_SPECIAL:
1511             case PT_MYCOMP:
1512               return (REFIID) &(pdata->u.mycomp.guid);
1513
1514             default:
1515                 TRACE("Unknown pidl type 0x%04x\n", pdata->type);
1516                 break;
1517           }
1518         }
1519         return NULL;
1520 }
1521
1522 /*************************************************************************
1523  * _ILGetFileDateTime
1524  *
1525  * Given the ItemIdList, get the FileTime
1526  *
1527  * PARAMS
1528  *      pidl        [I] The ItemIDList
1529  *      pFt         [I] the resulted FILETIME of the file
1530  *
1531  * RETURNS
1532  *     True if Successful
1533  *
1534  * NOTES
1535  *
1536  */
1537 BOOL _ILGetFileDateTime(LPCITEMIDLIST pidl, FILETIME *pFt)
1538 {
1539     LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1540
1541     if(! pdata) return FALSE;
1542
1543     switch (pdata->type)
1544     {
1545         case PT_FOLDER:
1546             DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, pFt);
1547             break;
1548         case PT_VALUE:
1549             DosDateTimeToFileTime(pdata->u.file.uFileDate, pdata->u.file.uFileTime, pFt);
1550             break;
1551         default:
1552             return FALSE;
1553     }
1554     return TRUE;
1555 }
1556
1557 BOOL _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1558 {
1559         FILETIME ft,lft;
1560         SYSTEMTIME time;
1561
1562         if (! _ILGetFileDateTime( pidl, &ft )) return FALSE;
1563
1564         FileTimeToLocalFileTime(&ft, &lft);
1565         FileTimeToSystemTime (&lft, &time);
1566         return GetDateFormatA(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&time, NULL,  pOut, uOutSize);
1567 }
1568
1569 /*************************************************************************
1570  * _ILGetFileSize
1571  *
1572  * Given the ItemIdList, get the FileSize
1573  *
1574  * PARAMS
1575  *      pidl    [I] The ItemIDList
1576  *      pOut    [I] The buffer to save the result
1577  *      uOutsize [I] The size of the buffer
1578  *
1579  * RETURNS
1580  *     The FileSize
1581  *
1582  * NOTES
1583  *      pOut can be null when no string is needed
1584  *
1585  */
1586 DWORD _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1587 {
1588         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1589         DWORD dwSize;
1590
1591         if(! pdata) return 0;
1592
1593         switch (pdata->type)
1594         {
1595           case PT_VALUE:
1596             dwSize = pdata->u.file.dwFileSize;
1597             if (pOut) StrFormatByteSizeA(dwSize, pOut, uOutSize);
1598             return dwSize;
1599         }
1600         if (pOut) *pOut = 0x00;
1601         return 0;
1602 }
1603
1604 BOOL _ILGetExtension (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1605 {
1606         char szTemp[MAX_PATH];
1607         const char * pPoint;
1608         LPITEMIDLIST  pidlTemp=pidl;
1609
1610         TRACE("pidl=%p\n",pidl);
1611
1612         if (!pidl) return FALSE;
1613
1614         pidlTemp = ILFindLastID(pidl);
1615
1616         if (!_ILIsValue(pidlTemp)) return FALSE;
1617         if (!_ILSimpleGetText(pidlTemp, szTemp, MAX_PATH)) return FALSE;
1618
1619         pPoint = PathFindExtensionA(szTemp);
1620
1621         if (! *pPoint) return FALSE;
1622
1623         pPoint++;
1624         lstrcpynA(pOut, pPoint, uOutSize);
1625         TRACE("%s\n",pOut);
1626
1627         return TRUE;
1628 }
1629
1630 /*************************************************************************
1631  * _ILGetFileType
1632  *
1633  * Given the ItemIdList, get the file type description
1634  *
1635  * PARAMS
1636  *      pidl        [I] The ItemIDList (simple)
1637  *      pOut        [I] The buffer to save the result
1638  *      uOutsize    [I] The size of the buffer
1639  *
1640  * RETURNS
1641  *      nothing
1642  *
1643  * NOTES
1644  *      This function copies as much as possible into the buffer.
1645  */
1646 void _ILGetFileType(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1647 {
1648         if(_ILIsValue(pidl))
1649         {
1650           char sTemp[64];
1651           if(uOutSize > 0)
1652           {
1653             pOut[0] = 0;
1654           }
1655           if (_ILGetExtension (pidl, sTemp, 64))
1656           {
1657             if (!( HCR_MapTypeToValue(sTemp, sTemp, 64, TRUE)
1658                 && HCR_MapTypeToValue(sTemp, pOut, uOutSize, FALSE )))
1659             {
1660               lstrcpynA (pOut, sTemp, uOutSize - 6);
1661               strcat (pOut, "-file");
1662             }
1663           }
1664         }
1665         else
1666         {
1667           lstrcpynA(pOut, "Folder", uOutSize);
1668         }
1669 }
1670
1671 /*************************************************************************
1672  * _ILGetFileAttributes
1673  *
1674  * Given the ItemIdList, get the Attrib string format
1675  *
1676  * PARAMS
1677  *      pidl        [I] The ItemIDList
1678  *      pOut        [I] The buffer to save the result
1679  *      uOutsize    [I] The size of the Buffer
1680  *
1681  * RETURNS
1682  *     Attributes
1683  *
1684  * FIXME
1685  *  return value 0 in case of error is a valid return value
1686  *
1687  */
1688 DWORD _ILGetFileAttributes(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1689 {
1690         LPPIDLDATA pData =_ILGetDataPointer(pidl);
1691         WORD wAttrib = 0;
1692         int i;
1693
1694         if(! pData) return 0;
1695
1696         switch(pData->type)
1697         {
1698           case PT_FOLDER:
1699             wAttrib = pData->u.folder.uFileAttribs;
1700             break;
1701           case PT_VALUE:
1702             wAttrib = pData->u.file.uFileAttribs;
1703             break;
1704         }
1705
1706         if(uOutSize >= 6)
1707         {
1708           i=0;
1709           if(wAttrib & FILE_ATTRIBUTE_READONLY)
1710           {
1711             pOut[i++] = 'R';
1712           }
1713           if(wAttrib & FILE_ATTRIBUTE_HIDDEN)
1714           {
1715             pOut[i++] = 'H';
1716           }
1717           if(wAttrib & FILE_ATTRIBUTE_SYSTEM)
1718           {
1719             pOut[i++] = 'S';
1720           }
1721           if(wAttrib & FILE_ATTRIBUTE_ARCHIVE)
1722           {
1723             pOut[i++] = 'A';
1724           }
1725           if(wAttrib & FILE_ATTRIBUTE_COMPRESSED)
1726           {
1727             pOut[i++] = 'C';
1728           }
1729           pOut[i] = 0x00;
1730         }
1731         return wAttrib;
1732 }
1733
1734 /*************************************************************************
1735 * ILFreeaPidl
1736 *
1737 * free a aPidl struct
1738 */
1739 void _ILFreeaPidl(LPITEMIDLIST * apidl, UINT cidl)
1740 {
1741         int   i;
1742
1743         if(apidl)
1744         {
1745           for(i = 0; i < cidl; i++) SHFree(apidl[i]);
1746           SHFree(apidl);
1747         }
1748 }
1749
1750 /*************************************************************************
1751 * ILCopyaPidl
1752 *
1753 * copies an aPidl struct
1754 */
1755 LPITEMIDLIST *  _ILCopyaPidl(LPITEMIDLIST * apidlsrc, UINT cidl)
1756 {
1757         int i;
1758         LPITEMIDLIST * apidldest = (LPITEMIDLIST*)SHAlloc(cidl * sizeof(LPITEMIDLIST));
1759         if(!apidlsrc) return NULL;
1760
1761         for(i = 0; i < cidl; i++)
1762           apidldest[i] = ILClone(apidlsrc[i]);
1763
1764         return apidldest;
1765 }
1766
1767 /*************************************************************************
1768 * _ILCopyCidaToaPidl
1769 *
1770 * creates aPidl from CIDA
1771 */
1772 LPITEMIDLIST * _ILCopyCidaToaPidl(LPITEMIDLIST* pidl, LPCIDA cida)
1773 {
1774         int i;
1775         LPITEMIDLIST * dst = (LPITEMIDLIST*)SHAlloc(cida->cidl * sizeof(LPITEMIDLIST));
1776
1777         if(!dst) return NULL;
1778
1779         if (pidl)
1780           *pidl = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[0]]));
1781
1782         for(i = 0; i < cida->cidl; i++)
1783           dst[i] = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[i + 1]]));
1784
1785         return dst;
1786 }