git.oblomov.eu Git - wine/blob - dlls/shell32/pidl.c

   1 /*
   2  *      pidl Handling
   3  *
   4  *      Copyright 1998  Juergen Schmied
   5  *
   6  * NOTES
   7  *  a pidl == NULL means desktop and is legal
   8  *
   9  */
  10
  11 #include <ctype.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include "winbase.h"
  15 #include "winreg.h"
  16 #include "shlguid.h"
  17 #include "winerror.h"
  18 #include "winnls.h"
  19 #include "undocshell.h"
  20 #include "shell32_main.h"
  21 #include "shellapi.h"
  22 #include "shlwapi.h"
  23
  24 #include "pidl.h"
  25 #include "debugtools.h"
  26
  27 DEFAULT_DEBUG_CHANNEL(pidl);
  28 DECLARE_DEBUG_CHANNEL(shell);
  29
  30 void pdump (LPCITEMIDLIST pidl)
  31 {
  32         LPITEMIDLIST pidltemp = pidl;
  33         if (!TRACE_ON(pidl))
  34           return;
  35
  36         if (! pidltemp)
  37         {
  38           MESSAGE ("-------- pidl=NULL (Desktop)\n");
  39         }
  40         else
  41         {
  42           MESSAGE ("-------- pidl=%p\n", pidl);
  43           if (pidltemp->mkid.cb)
  44           {
  45             do
  46             {
  47               DWORD dwAttrib = 0;
  48               LPPIDLDATA pData   = _ILGetDataPointer(pidltemp);
  49               DWORD type         = pData->type;
  50               LPSTR szLongName   = _ILGetTextPointer(pidltemp);
  51               LPSTR szShortName  = _ILGetSTextPointer(pidltemp);
  52               char szName[MAX_PATH];
  53
  54               _ILSimpleGetText(pidltemp, szName, MAX_PATH);
  55               if( PT_FOLDER == type)
  56                 dwAttrib = pData->u.folder.uFileAttribs;
  57               else if( PT_VALUE == type)
  58                 dwAttrib = pData->u.file.uFileAttribs;
  59
  60               MESSAGE ("-- pidl=%p size=%u type=%lx attr=0x%08lx name=%s (%s,%s)\n",
  61                        pidltemp, pidltemp->mkid.cb,type,dwAttrib,szName,debugstr_a(szLongName), debugstr_a(szShortName));
  62
  63               pidltemp = ILGetNext(pidltemp);
  64
  65             } while (pidltemp->mkid.cb);
  66           }
  67           else
  68           {
  69             MESSAGE ("empty pidl (Desktop)\n");
  70           }
  71           pcheck(pidl);
  72         }
  73 }
  74 #define BYTES_PRINTED 32
  75 BOOL pcheck (LPCITEMIDLIST pidl)
  76 {
  77         DWORD type, ret=TRUE;
  78         LPITEMIDLIST pidltemp = pidl;
  79
  80         if (pidltemp && pidltemp->mkid.cb)
  81         { do
  82           { type   = _ILGetDataPointer(pidltemp)->type;
  83             switch (type)
  84             { case PT_DESKTOP:
  85               case PT_MYCOMP:
  86               case PT_SPECIAL:
  87               case PT_DRIVE:
  88               case PT_DRIVE1:
  89               case PT_DRIVE2:
  90               case PT_DRIVE3:
  91               case PT_FOLDER:
  92               case PT_VALUE:
  93               case PT_FOLDER1:
  94               case PT_WORKGRP:
  95               case PT_COMP:
  96               case PT_NETWORK:
  97               case PT_IESPECIAL1:
  98               case PT_IESPECIAL2:
  99               case PT_SHARE:
 100                 break;
 101               default:
 102               {
 103                 char szTemp[BYTES_PRINTED*4 + 1];
 104                 int i;
 105                 unsigned char c;
 106
 107                 memset(szTemp, ' ', BYTES_PRINTED*4 + 1);
 108                 for ( i = 0; (i<pidltemp->mkid.cb) && (i<BYTES_PRINTED); i++)
 109                 {
 110                   c = ((unsigned char *)pidltemp)[i];
 111
 112                   szTemp[i*3+0] = ((c>>4)>9)? (c>>4)+55 : (c>>4)+48;
 113                   szTemp[i*3+1] = ((0x0F&c)>9)? (0x0F&c)+55 : (0x0F&c)+48;
 114                   szTemp[i*3+2] = ' ';
 115                   szTemp[i+BYTES_PRINTED*3]  =  (c>=0x20 && c <=0x80) ? c : '.';
 116                 }
 117                 szTemp[BYTES_PRINTED*4] = 0x00;
 118                 ERR("unknown IDLIST type size=%u type=%lx\n%s\n",pidltemp->mkid.cb,type, szTemp);
 119                 ret = FALSE;
 120               }
 121             }
 122             pidltemp = ILGetNext(pidltemp);
 123           } while (pidltemp->mkid.cb);
 124         }
 125         return ret;
 126 }
 127
 128 /*************************************************************************
 129  * ILGetDisplayName                     [SHELL32.15]
 130  */
 131 BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl,LPSTR path)
 132 {
 133         TRACE_(shell)("pidl=%p %p semi-stub\n",pidl,path);
 134         return SHGetPathFromIDListA(pidl, path);
 135 }
 136 /*************************************************************************
 137  * ILFindLastID [SHELL32.16]
 138  *
 139  * NOTES
 140  *   observed: pidl=Desktop return=pidl
 141  */
 142 LPITEMIDLIST WINAPI ILFindLastID(LPITEMIDLIST pidl)
 143 {       LPITEMIDLIST   pidlLast = pidl;
 144
 145         TRACE("(pidl=%p)\n",pidl);
 146
 147         while (pidl->mkid.cb)
 148         {
 149           pidlLast = pidl;
 150           pidl = ILGetNext(pidl);
 151         }
 152         return pidlLast;
 153 }
 154 /*************************************************************************
 155  * ILRemoveLastID [SHELL32.17]
 156  *
 157  * NOTES
 158  *   when pidl=Desktop return=FALSE
 159  */
 160 BOOL WINAPI ILRemoveLastID(LPCITEMIDLIST pidl)
 161 {
 162         TRACE_(shell)("pidl=%p\n",pidl);
 163
 164         if (!pidl || !pidl->mkid.cb)
 165           return 0;
 166         ILFindLastID(pidl)->mkid.cb = 0;
 167         return 1;
 168 }
 169
 170 /*************************************************************************
 171  * ILClone [SHELL32.18]
 172  *
 173  * NOTES
 174  *    duplicate an idlist
 175  */
 176 LPITEMIDLIST WINAPI ILClone (LPCITEMIDLIST pidl)
 177 { DWORD    len;
 178   LPITEMIDLIST  newpidl;
 179
 180   if (!pidl)
 181     return NULL;
 182
 183   len = ILGetSize(pidl);
 184   newpidl = (LPITEMIDLIST)SHAlloc(len);
 185   if (newpidl)
 186     memcpy(newpidl,pidl,len);
 187
 188   TRACE("pidl=%p newpidl=%p\n",pidl, newpidl);
 189   pdump(pidl);
 190
 191   return newpidl;
 192 }
 193 /*************************************************************************
 194  * ILCloneFirst [SHELL32.19]
 195  *
 196  * NOTES
 197  *  duplicates the first idlist of a complex pidl
 198  */
 199 LPITEMIDLIST WINAPI ILCloneFirst(LPCITEMIDLIST pidl)
 200 {       DWORD len;
 201         LPITEMIDLIST pidlNew = NULL;
 202
 203         TRACE("pidl=%p \n",pidl);
 204         pdump(pidl);
 205
 206         if (pidl)
 207         {
 208           len = pidl->mkid.cb;
 209           pidlNew = (LPITEMIDLIST) SHAlloc (len+2);
 210           if (pidlNew)
 211           {
 212             memcpy(pidlNew,pidl,len+2);         /* 2 -> mind a desktop pidl */
 213
 214             if (len)
 215               ILGetNext(pidlNew)->mkid.cb = 0x00;
 216           }
 217         }
 218         TRACE("-- newpidl=%p\n",pidlNew);
 219
 220         return pidlNew;
 221 }
 222
 223 /*************************************************************************
 224  * ILLoadFromStream (SHELL32.26)
 225  *
 226  * NOTES
 227  *   the first two bytes are the len, the pidl is following then
 228  */
 229 HRESULT WINAPI ILLoadFromStream (IStream * pStream, LPITEMIDLIST * ppPidl)
 230 {       WORD            wLen = 0;
 231         DWORD           dwBytesRead;
 232         HRESULT         ret = E_FAIL;
 233
 234
 235         TRACE_(shell)("%p %p\n", pStream ,  ppPidl);
 236
 237         if (*ppPidl)
 238         { SHFree(*ppPidl);
 239           *ppPidl = NULL;
 240         }
 241
 242         IStream_AddRef (pStream);
 243
 244         if (SUCCEEDED(IStream_Read(pStream, (LPVOID)&wLen, 2, &dwBytesRead)))
 245         { *ppPidl = SHAlloc (wLen);
 246           if (SUCCEEDED(IStream_Read(pStream, *ppPidl , wLen, &dwBytesRead)))
 247           { ret = S_OK;
 248           }
 249           else
 250           { SHFree(*ppPidl);
 251             *ppPidl = NULL;
 252           }
 253         }
 254
 255         /* we are not yet fully compatible */
 256         if (!pcheck(*ppPidl))
 257         { SHFree(*ppPidl);
 258           *ppPidl = NULL;
 259         }
 260
 261
 262         IStream_Release (pStream);
 263
 264         return ret;
 265 }
 266
 267 /*************************************************************************
 268  * ILSaveToStream (SHELL32.27)
 269  *
 270  * NOTES
 271  *   the first two bytes are the len, the pidl is following then
 272  */
 273 HRESULT WINAPI ILSaveToStream (IStream * pStream, LPCITEMIDLIST pPidl)
 274 {
 275         LPITEMIDLIST    pidl;
 276         WORD            wLen = 0;
 277         HRESULT         ret = E_FAIL;
 278
 279         TRACE_(shell)("%p %p\n", pStream, pPidl);
 280
 281         IStream_AddRef (pStream);
 282
 283         pidl = pPidl;
 284         while (pidl->mkid.cb)
 285         {
 286           wLen += sizeof(WORD) + pidl->mkid.cb;
 287           pidl = ILGetNext(pidl);
 288         }
 289
 290         if (SUCCEEDED(IStream_Write(pStream, (LPVOID)&wLen, 2, NULL)))
 291         {
 292           if (SUCCEEDED(IStream_Write(pStream, pPidl, wLen, NULL)))
 293           { ret = S_OK;
 294           }
 295         }
 296
 297
 298         IStream_Release (pStream);
 299
 300         return ret;
 301 }
 302
 303 /*************************************************************************
 304  * SHILCreateFromPath   [SHELL32.28]
 305  *
 306  * NOTES
 307  *   wraper for IShellFolder::ParseDisplayName()
 308  */
 309 HRESULT WINAPI SHILCreateFromPathA (LPCSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
 310 {       LPSHELLFOLDER sf;
 311         WCHAR lpszDisplayName[MAX_PATH];
 312         DWORD pchEaten;
 313         HRESULT ret = E_FAIL;
 314
 315         TRACE_(shell)("%s %p 0x%08lx\n",path,ppidl,attributes?*attributes:0);
 316
 317         if (!MultiByteToWideChar( CP_ACP, 0, path, -1, lpszDisplayName, MAX_PATH ))
 318             lpszDisplayName[MAX_PATH-1] = 0;
 319
 320         if (SUCCEEDED (SHGetDesktopFolder(&sf)))
 321         {
 322           ret = IShellFolder_ParseDisplayName(sf,0, NULL,lpszDisplayName,&pchEaten,ppidl,attributes);
 323           IShellFolder_Release(sf);
 324         }
 325         return ret;
 326 }
 327 HRESULT WINAPI SHILCreateFromPathW (LPCWSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
 328 {       LPSHELLFOLDER sf;
 329         DWORD pchEaten;
 330         HRESULT ret = E_FAIL;
 331
 332         TRACE_(shell)("%s %p 0x%08lx\n",debugstr_w(path),ppidl,attributes?*attributes:0);
 333
 334         if (SUCCEEDED (SHGetDesktopFolder(&sf)))
 335         {
 336           ret = IShellFolder_ParseDisplayName(sf,0, NULL, (LPWSTR) path, &pchEaten, ppidl, attributes);
 337           IShellFolder_Release(sf);
 338         }
 339         return ret;
 340 }
 341 HRESULT WINAPI SHILCreateFromPathAW (LPCVOID path, LPITEMIDLIST * ppidl, DWORD * attributes)
 342 {
 343         if ( SHELL_OsIsUnicode())
 344           return SHILCreateFromPathW (path, ppidl, attributes);
 345         return SHILCreateFromPathA (path, ppidl, attributes);
 346 }
 347
 348 /*************************************************************************
 349  * SHCloneSpecialIDList [SHELL32.89]
 350  *
 351  * PARAMETERS
 352  *  hwndOwner   [in]
 353  *  nFolder     [in]    CSIDL_xxxxx ??
 354  *
 355  * RETURNS
 356  *  pidl ??
 357  * NOTES
 358  *     exported by ordinal
 359  */
 360 LPITEMIDLIST WINAPI SHCloneSpecialIDList(HWND hwndOwner,DWORD nFolder,DWORD x3)
 361 {       LPITEMIDLIST ppidl;
 362         WARN_(shell)("(hwnd=0x%x,csidl=0x%lx,0x%lx):semi-stub.\n",
 363                                          hwndOwner,nFolder,x3);
 364
 365         SHGetSpecialFolderLocation(hwndOwner, nFolder, &ppidl);
 366
 367         return ppidl;
 368 }
 369
 370 /*************************************************************************
 371  * ILGlobalClone [SHELL32.20]
 372  *
 373  */
 374 LPITEMIDLIST WINAPI ILGlobalClone(LPCITEMIDLIST pidl)
 375 {       DWORD    len;
 376         LPITEMIDLIST  newpidl;
 377
 378         if (!pidl)
 379           return NULL;
 380
 381         len = ILGetSize(pidl);
 382         newpidl = (LPITEMIDLIST)pCOMCTL32_Alloc(len);
 383         if (newpidl)
 384           memcpy(newpidl,pidl,len);
 385
 386         TRACE("pidl=%p newpidl=%p\n",pidl, newpidl);
 387         pdump(pidl);
 388
 389         return newpidl;
 390 }
 391
 392 /*************************************************************************
 393  * ILIsEqual [SHELL32.21]
 394  *
 395  */
 396 BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 397 {
 398         char    szData1[MAX_PATH];
 399         char    szData2[MAX_PATH];
 400
 401         LPITEMIDLIST pidltemp1 = pidl1;
 402         LPITEMIDLIST pidltemp2 = pidl2;
 403
 404         TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2);
 405
 406         /* explorer reads from registry directly (StreamMRU),
 407            so we can only check here */
 408         if ((!pcheck (pidl1)) || (!pcheck (pidl2))) return FALSE;
 409
 410         pdump (pidl1);
 411         pdump (pidl2);
 412
 413         if ( (!pidl1) || (!pidl2) ) return FALSE;
 414
 415         while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
 416         {
 417             _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
 418             _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
 419
 420             if (strcasecmp ( szData1, szData2 )!=0 )
 421               return FALSE;
 422
 423             pidltemp1 = ILGetNext(pidltemp1);
 424             pidltemp2 = ILGetNext(pidltemp2);
 425         }
 426
 427         if (!pidltemp1->mkid.cb && !pidltemp2->mkid.cb)
 428         {
 429           return TRUE;
 430         }
 431
 432         return FALSE;
 433 }
 434 /*************************************************************************
 435  * ILIsParent [SHELL32.23]
 436  *
 437  * parent=a/b   child=a/b/c -> true, c is in folder a/b
 438  *              child=a/b/c/d -> false if bImmediate is true, d is not in folder a/b
 439  *              child=a/b/c/d -> true if bImmediate is false, d is in a subfolder of a/b
 440  */
 441 BOOL WINAPI ILIsParent( LPCITEMIDLIST pidlParent, LPCITEMIDLIST pidlChild, BOOL bImmediate)
 442 {
 443         char    szData1[MAX_PATH];
 444         char    szData2[MAX_PATH];
 445
 446         LPITEMIDLIST pParent = pidlParent;
 447         LPITEMIDLIST pChild = pidlChild;
 448
 449         TRACE("%p %p %x\n", pidlParent, pidlChild, bImmediate);
 450
 451         while (pParent->mkid.cb && pChild->mkid.cb)
 452         {
 453           _ILSimpleGetText(pParent, szData1, MAX_PATH);
 454           _ILSimpleGetText(pChild, szData2, MAX_PATH);
 455
 456           if (strcasecmp ( szData1, szData2 )!=0 )
 457             return FALSE;
 458
 459           pParent = ILGetNext(pParent);
 460           pChild = ILGetNext(pChild);
 461         }
 462
 463         if ( pParent->mkid.cb || ! pChild->mkid.cb)     /* child shorter or has equal length to parent */
 464           return FALSE;
 465
 466         if ( ILGetNext(pChild)->mkid.cb && bImmediate)  /* not immediate descent */
 467           return FALSE;
 468
 469         return TRUE;
 470 }
 471
 472 /*************************************************************************
 473  * ILFindChild [SHELL32.24]
 474  *
 475  * NOTES
 476  *  Compares elements from pidl1 and pidl2.
 477  *
 478  *  pidl1 is desktop            pidl2
 479  *  pidl1 shorter pidl2         pointer to first different element of pidl2
 480  *                              if there was at least one equal element
 481  *  pidl2 shorter pidl1         0
 482  *  pidl2 equal pidl1           pointer to last 0x00-element of pidl2
 483  */
 484 LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
 485 {
 486         char    szData1[MAX_PATH];
 487         char    szData2[MAX_PATH];
 488
 489         LPITEMIDLIST pidltemp1 = pidl1;
 490         LPITEMIDLIST pidltemp2 = pidl2;
 491         LPITEMIDLIST ret=NULL;
 492
 493         TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2);
 494
 495         /* explorer reads from registry directly (StreamMRU),
 496            so we can only check here */
 497         if ((!pcheck (pidl1)) || (!pcheck (pidl2)))
 498           return FALSE;
 499
 500         pdump (pidl1);
 501         pdump (pidl2);
 502
 503         if ( _ILIsDesktop(pidl1) )
 504         {
 505           ret = pidl2;
 506         }
 507         else
 508         {
 509           while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
 510           {
 511             _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
 512             _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
 513
 514             if (strcasecmp(szData1,szData2))
 515               break;
 516
 517             pidltemp1 = ILGetNext(pidltemp1);
 518             pidltemp2 = ILGetNext(pidltemp2);
 519             ret = pidltemp2;
 520           }
 521
 522           if (pidltemp1->mkid.cb)
 523           {
 524             ret = NULL; /* elements of pidl1 left*/
 525           }
 526         }
 527         TRACE_(shell)("--- %p\n", ret);
 528         return ret; /* pidl 1 is shorter */
 529 }
 530
 531 /*************************************************************************
 532  * ILCombine [SHELL32.25]
 533  *
 534  * NOTES
 535  *  Concatenates two complex idlists.
 536  *  The pidl is the first one, pidlsub the next one
 537  *  Does not destroy the passed in idlists!
 538  */
 539 LPITEMIDLIST WINAPI ILCombine(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
 540 {
 541         DWORD    len1,len2;
 542         LPITEMIDLIST  pidlNew;
 543
 544         TRACE("pidl=%p pidl=%p\n",pidl1,pidl2);
 545
 546         if(!pidl1 && !pidl2) return NULL;
 547
 548         pdump (pidl1);
 549         pdump (pidl2);
 550
 551         if(!pidl1)
 552         {
 553           pidlNew = ILClone(pidl2);
 554           return pidlNew;
 555         }
 556
 557         if(!pidl2)
 558         {
 559           pidlNew = ILClone(pidl1);
 560           return pidlNew;
 561         }
 562
 563         len1  = ILGetSize(pidl1)-2;
 564         len2  = ILGetSize(pidl2);
 565         pidlNew  = SHAlloc(len1+len2);
 566
 567         if (pidlNew)
 568         {
 569           memcpy(pidlNew,pidl1,len1);
 570           memcpy(((BYTE *)pidlNew)+len1,pidl2,len2);
 571         }
 572
 573         /*  TRACE(pidl,"--new pidl=%p\n",pidlNew);*/
 574         return pidlNew;
 575 }
 576 /*************************************************************************
 577  *  SHGetRealIDL [SHELL32.98]
 578  *
 579  * NOTES
 580  */
 581 LPITEMIDLIST WINAPI SHGetRealIDL(LPSHELLFOLDER lpsf, LPITEMIDLIST pidl, DWORD z)
 582 {
 583         FIXME("sf=%p pidl=%p 0x%04lx\n",lpsf,pidl,z);
 584
 585         pdump (pidl);
 586         return 0;
 587 }
 588
 589 /*************************************************************************
 590  *  SHLogILFromFSIL [SHELL32.95]
 591  *
 592  * NOTES
 593  *  pild = CSIDL_DESKTOP        ret = 0
 594  *  pild = CSIDL_DRIVES         ret = 0
 595  */
 596 LPITEMIDLIST WINAPI SHLogILFromFSIL(LPITEMIDLIST pidl)
 597 {
 598         FIXME("(pidl=%p)\n",pidl);
 599
 600         pdump(pidl);
 601
 602         return 0;
 603 }
 604
 605 /*************************************************************************
 606  * ILGetSize [SHELL32.152]
 607  *  gets the byte size of an idlist including zero terminator (pidl)
 608  *
 609  * PARAMETERS
 610  *  pidl ITEMIDLIST
 611  *
 612  * RETURNS
 613  *  size of pidl
 614  *
 615  * NOTES
 616  *  exported by ordinal
 617  */
 618 DWORD WINAPI ILGetSize(LPITEMIDLIST pidl)
 619 {
 620         LPSHITEMID si = &(pidl->mkid);
 621         DWORD  len=0;
 622
 623         if (pidl)
 624         { while (si->cb)
 625           { len += si->cb;
 626             si  = (LPSHITEMID)(((LPBYTE)si)+si->cb);
 627           }
 628           len += 2;
 629         }
 630         TRACE("pidl=%p size=%lu\n",pidl, len);
 631         return len;
 632 }
 633
 634 /*************************************************************************
 635  * ILGetNext [SHELL32.153]
 636  *  gets the next simple pidl of a complex pidl
 637  *
 638  * observed return values:
 639  *  null -> null
 640  *  desktop -> null
 641  *  simple pidl -> pointer to 0x0000 element
 642  *
 643  */
 644 LPITEMIDLIST WINAPI ILGetNext(LPITEMIDLIST pidl)
 645 {
 646         WORD len;
 647
 648         if(pidl)
 649         {
 650           len =  pidl->mkid.cb;
 651           if (len)
 652           {
 653             pidl = (LPITEMIDLIST) (((LPBYTE)pidl)+len);
 654             return pidl;
 655           }
 656         }
 657         return NULL;
 658 }
 659 /*************************************************************************
 660  * ILAppend [SHELL32.154]
 661  *
 662  * NOTES
 663  *  Adds the single item to the idlist indicated by pidl.
 664  *  if bEnd is 0, adds the item to the front of the list,
 665  *  otherwise adds the item to the end. (???)
 666  *  Destroys the passed in idlist! (???)
 667  */
 668 LPITEMIDLIST WINAPI ILAppend(LPITEMIDLIST pidl,LPCITEMIDLIST item,BOOL bEnd)
 669 {
 670         LPITEMIDLIST idlRet;
 671
 672         WARN("(pidl=%p,pidl=%p,%08u)semi-stub\n",pidl,item,bEnd);
 673
 674         pdump (pidl);
 675         pdump (item);
 676
 677         if (_ILIsDesktop(pidl))
 678         {
 679            idlRet = ILClone(item);
 680            if (pidl)
 681              SHFree (pidl);
 682            return idlRet;
 683         }
 684
 685         if (bEnd)
 686         {
 687           idlRet=ILCombine(pidl,item);
 688         }
 689         else
 690         {
 691           idlRet=ILCombine(item,pidl);
 692         }
 693
 694         SHFree(pidl);
 695         return idlRet;
 696 }
 697 /*************************************************************************
 698  * ILFree [SHELL32.155]
 699  *
 700  * NOTES
 701  *     free_check_ptr - frees memory (if not NULL)
 702  *     allocated by SHMalloc allocator
 703  *     exported by ordinal
 704  */
 705 DWORD WINAPI ILFree(LPITEMIDLIST pidl)
 706 {
 707         TRACE("(pidl=0x%08lx)\n",(DWORD)pidl);
 708
 709         if(!pidl) return FALSE;
 710         SHFree(pidl);
 711         return TRUE;
 712 }
 713 /*************************************************************************
 714  * ILGlobalFree [SHELL32.156]
 715  *
 716  */
 717 void WINAPI ILGlobalFree( LPCITEMIDLIST pidl)
 718 {
 719         TRACE("%p\n",pidl);
 720
 721         if(!pidl) return;
 722         pCOMCTL32_Free(pidl);
 723 }
 724 /*************************************************************************
 725  * ILCreateFromPath [SHELL32.157]
 726  *
 727  */
 728 LPITEMIDLIST WINAPI ILCreateFromPathA (LPCSTR path)
 729 {
 730         LPITEMIDLIST pidlnew;
 731         DWORD attributes = 0;
 732
 733         TRACE_(shell)("%s\n",path);
 734
 735         if (SUCCEEDED (SHILCreateFromPathA (path, &pidlnew, &attributes)))
 736           return pidlnew;
 737         return FALSE;
 738 }
 739 LPITEMIDLIST WINAPI ILCreateFromPathW (LPCWSTR path)
 740 {
 741         LPITEMIDLIST pidlnew;
 742         DWORD attributes = 0;
 743
 744         TRACE_(shell)("%s\n",debugstr_w(path));
 745
 746         if (SUCCEEDED (SHILCreateFromPathW (path, &pidlnew, &attributes)))
 747           return pidlnew;
 748         return FALSE;
 749 }
 750 LPITEMIDLIST WINAPI ILCreateFromPathAW (LPCVOID path)
 751 {
 752         if ( SHELL_OsIsUnicode())
 753           return ILCreateFromPathW (path);
 754         return ILCreateFromPathA (path);
 755 }
 756 /*************************************************************************
 757  *  SHSimpleIDListFromPath [SHELL32.162]
 758  */
 759 LPITEMIDLIST WINAPI SHSimpleIDListFromPathA (LPCSTR lpszPath)
 760 {
 761         LPITEMIDLIST    pidl=NULL;
 762         HANDLE  hFile;
 763         WIN32_FIND_DATAA        stffile;
 764
 765         TRACE("path=%s\n", lpszPath);
 766
 767         if (!lpszPath) return NULL;
 768
 769         hFile = FindFirstFileA(lpszPath, &stffile);
 770
 771         if ( hFile != INVALID_HANDLE_VALUE )
 772         {
 773           if (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 774           {
 775             pidl = _ILCreateFolder (&stffile);
 776           }
 777           else
 778           {
 779             pidl = _ILCreateValue (&stffile);
 780           }
 781           FindClose (hFile);
 782         }
 783         return pidl;
 784 }
 785 LPITEMIDLIST WINAPI SHSimpleIDListFromPathW (LPCWSTR lpszPath)
 786 {
 787         char    lpszTemp[MAX_PATH];
 788         TRACE("path=%s\n",debugstr_w(lpszPath));
 789
 790         if (!WideCharToMultiByte( CP_ACP, 0, lpszPath, -1, lpszTemp, sizeof(lpszTemp), NULL, NULL ))
 791             lpszTemp[sizeof(lpszTemp)-1] = 0;
 792
 793         return SHSimpleIDListFromPathA (lpszTemp);
 794 }
 795
 796 LPITEMIDLIST WINAPI SHSimpleIDListFromPathAW (LPCVOID lpszPath)
 797 {
 798         if ( SHELL_OsIsUnicode())
 799           return SHSimpleIDListFromPathW (lpszPath);
 800         return SHSimpleIDListFromPathA (lpszPath);
 801 }
 802
 803 /*************************************************************************
 804  * SHGetSpecialFolderLocation           [SHELL32.@]
 805  *
 806  * gets the folder locations from the registry and creates a pidl
 807  * creates missing reg keys and directories
 808  *
 809  * PARAMS
 810  *   hwndOwner [I]
 811  *   nFolder   [I] CSIDL_xxxxx
 812  *   ppidl     [O] PIDL of a special folder
 813  *
 814  */
 815 HRESULT WINAPI SHGetSpecialFolderLocation(
 816         HWND hwndOwner,
 817         INT nFolder,
 818         LPITEMIDLIST * ppidl)
 819 {
 820         CHAR            szPath[MAX_PATH];
 821         HRESULT         hr = E_INVALIDARG;
 822
 823         TRACE_(shell)("(%04x,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
 824
 825         if (ppidl)
 826         {
 827           *ppidl = NULL;
 828           switch (nFolder)
 829           {
 830             case CSIDL_DESKTOP:
 831               *ppidl = _ILCreateDesktop();
 832               break;
 833
 834             case CSIDL_DRIVES:
 835               *ppidl = _ILCreateMyComputer();
 836               break;
 837
 838             case CSIDL_NETWORK:
 839               *ppidl = _ILCreateNetwork ();
 840               break;
 841
 842             case CSIDL_CONTROLS:
 843               *ppidl = _ILCreateControl ();
 844               break;
 845
 846             case CSIDL_PRINTERS:
 847               *ppidl = _ILCreatePrinter ();
 848               break;
 849
 850             case CSIDL_BITBUCKET:
 851               *ppidl = _ILCreateBitBucket ();
 852               break;
 853
 854             default:
 855               if (SHGetSpecialFolderPathA(hwndOwner, szPath, nFolder, TRUE))
 856               {
 857                 DWORD attributes=0;
 858                 TRACE_(shell)("Value=%s\n",szPath);
 859                 hr = SHILCreateFromPathA(szPath, ppidl, &attributes);
 860               }
 861           }
 862           if(*ppidl) hr = NOERROR;
 863         }
 864
 865         TRACE_(shell)("-- (new pidl %p)\n",*ppidl);
 866         return hr;
 867 }
 868
 869 /*************************************************************************
 870  * SHGetFolderLocation [SHELL32.@]
 871  *
 872  * NOTES
 873  *  the pidl can be a simple one. since we cant get the path out of the pidl
 874  *  we have to take all data from the pidl
 875  */
 876 HRESULT WINAPI SHGetFolderLocation(
 877         HWND hwnd,
 878         int csidl,
 879         HANDLE hToken,
 880         DWORD dwFlags,
 881         LPITEMIDLIST *ppidl)
 882 {
 883         FIXME("0x%04x 0x%08x 0x%08x 0x%08lx %p\n",
 884          hwnd, csidl, hToken, dwFlags, ppidl);
 885         return SHGetSpecialFolderLocation(hwnd, csidl, ppidl);
 886 }
 887
 888 /*************************************************************************
 889  * SHGetDataFromIDListA [SHELL32.247]
 890  *
 891  * NOTES
 892  *  the pidl can be a simple one. since we cant get the path out of the pidl
 893  *  we have to take all data from the pidl
 894  */
 895 HRESULT WINAPI SHGetDataFromIDListA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
 896 {
 897         TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
 898
 899         pdump(pidl);
 900         if (!psf || !dest )  return E_INVALIDARG;
 901
 902         switch (nFormat)
 903         {
 904           case SHGDFIL_FINDDATA:
 905             {
 906                WIN32_FIND_DATAA * pfd = dest;
 907
 908                if ( len < sizeof (WIN32_FIND_DATAA)) return E_INVALIDARG;
 909
 910                ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA));
 911                _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime));
 912                pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0);
 913                pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0);
 914                lstrcpynA(pfd->cFileName,_ILGetTextPointer(pidl), MAX_PATH);
 915                lstrcpynA(pfd->cAlternateFileName,_ILGetSTextPointer(pidl), 14);
 916             }
 917             return NOERROR;
 918
 919           case SHGDFIL_NETRESOURCE:
 920           case SHGDFIL_DESCRIPTIONID:
 921             FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
 922             break;
 923
 924           default:
 925             ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
 926         }
 927
 928         return E_INVALIDARG;
 929 }
 930 /*************************************************************************
 931  * SHGetDataFromIDListW [SHELL32.248]
 932  *
 933  */
 934 HRESULT WINAPI SHGetDataFromIDListW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
 935 {
 936         TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
 937
 938         pdump(pidl);
 939
 940         if (! psf || !dest )  return E_INVALIDARG;
 941
 942         switch (nFormat)
 943         {
 944           case SHGDFIL_FINDDATA:
 945             {
 946                WIN32_FIND_DATAW * pfd = dest;
 947
 948                if ( len < sizeof (WIN32_FIND_DATAW)) return E_INVALIDARG;
 949
 950                ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA));
 951                _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime));
 952                pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0);
 953                pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0);
 954                if (!MultiByteToWideChar( CP_ACP, 0, _ILGetTextPointer(pidl), -1,
 955                                          pfd->cFileName, MAX_PATH ))
 956                    pfd->cFileName[MAX_PATH-1] = 0;
 957                if (!MultiByteToWideChar( CP_ACP, 0, _ILGetSTextPointer(pidl), -1,
 958                                          pfd->cAlternateFileName, 14 ))
 959                    pfd->cFileName[13] = 0;
 960             }
 961             return NOERROR;
 962           case SHGDFIL_NETRESOURCE:
 963           case SHGDFIL_DESCRIPTIONID:
 964             FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
 965             break;
 966
 967           default:
 968             ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
 969         }
 970
 971         return E_INVALIDARG;
 972 }
 973
 974 /*************************************************************************
 975  * SHGetPathFromIDListA         [SHELL32.@][NT 4.0: SHELL32.220]
 976  *
 977  * PARAMETERS
 978  *  pidl,   [IN] pidl
 979  *  pszPath [OUT] path
 980  *
 981  * RETURNS
 982  *  path from a passed PIDL.
 983  *
 984  * NOTES
 985  *      NULL returns FALSE
 986  *      desktop pidl gives path to desktopdirectory back
 987  *      special pidls returning FALSE
 988  *
 989  * FIXME
 990  *  fnGetDisplayNameOf can return different types of OLEString
 991  */
 992 BOOL WINAPI SHGetPathFromIDListA (LPCITEMIDLIST pidl,LPSTR pszPath)
 993 {       STRRET str;
 994         LPSHELLFOLDER shellfolder;
 995
 996         TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
 997
 998         if (!pidl) return FALSE;
 999
1000         pdump(pidl);
1001
1002         if(_ILIsDesktop(pidl))
1003         {
1004            SHGetSpecialFolderPathA(0, pszPath, CSIDL_DESKTOPDIRECTORY, FALSE);
1005         }
1006         else if (_ILIsSpecialFolder(ILFindLastID(pidl)))
1007         {
1008           /* we are somewhere in a special folder */
1009           return FALSE;
1010         }
1011         else
1012         {
1013           if (SHGetDesktopFolder(&shellfolder)==S_OK)
1014           {
1015             IShellFolder_GetDisplayNameOf(shellfolder,pidl,SHGDN_FORPARSING,&str);
1016             StrRetToStrNA (pszPath, MAX_PATH, &str, pidl);
1017             IShellFolder_Release(shellfolder);
1018           }
1019         }
1020         TRACE_(shell)("-- (%s)\n",pszPath);
1021
1022         return TRUE;
1023 }
1024 /*************************************************************************
1025  * SHGetPathFromIDListW                         [SHELL32.@]
1026  */
1027 BOOL WINAPI SHGetPathFromIDListW (LPCITEMIDLIST pidl,LPWSTR pszPath)
1028 {       char sTemp[MAX_PATH];
1029
1030         TRACE_(shell)("(pidl=%p)\n", pidl);
1031
1032         SHGetPathFromIDListA (pidl, sTemp);
1033         MultiByteToWideChar( CP_ACP, 0, sTemp, -1, pszPath, MAX_PATH );
1034
1035         TRACE_(shell)("-- (%s)\n",debugstr_w(pszPath));
1036
1037         return TRUE;
1038 }
1039
1040 /*************************************************************************
1041  *      SHBindToParent          [shell version 5.0]
1042  */
1043 HRESULT WINAPI SHBindToParent(LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppv, LPCITEMIDLIST *ppidlLast)
1044 {
1045         IShellFolder    * psf;
1046         LPITEMIDLIST    pidlChild, pidlParent;
1047         HRESULT         hr=E_FAIL;
1048
1049         TRACE_(shell)("pidl=%p\n", pidl);
1050         pdump(pidl);
1051
1052         *ppv = NULL;
1053         if (ppidlLast) *ppidlLast = NULL;
1054
1055         if (_ILIsPidlSimple(pidl))
1056         {
1057           /* we are on desktop level */
1058           if (ppidlLast)
1059             *ppidlLast = ILClone(pidl);
1060           hr = SHGetDesktopFolder((IShellFolder**)ppv);
1061         }
1062         else
1063         {
1064           pidlChild =  ILClone(ILFindLastID(pidl));
1065           pidlParent = ILClone(pidl);
1066           ILRemoveLastID(pidlParent);
1067
1068           hr = SHGetDesktopFolder(&psf);
1069
1070           if (SUCCEEDED(hr))
1071             hr = IShellFolder_BindToObject(psf, pidlParent, NULL, riid, ppv);
1072
1073           if (SUCCEEDED(hr) && ppidlLast)
1074             *ppidlLast = pidlChild;
1075           else
1076             ILFree (pidlChild);
1077
1078           SHFree (pidlParent);
1079           if (psf) IShellFolder_Release(psf);
1080         }
1081
1082
1083         TRACE_(shell)("-- psf=%p pidl=%p ret=0x%08lx\n", *ppv, (ppidlLast)?*ppidlLast:NULL, hr);
1084         return hr;
1085 }
1086
1087 /*************************************************************************
1088  * SHGetPathFromIDList          [SHELL32.@][NT 4.0: SHELL32.219]
1089  */
1090 BOOL WINAPI SHGetPathFromIDListAW(LPCITEMIDLIST pidl,LPVOID pszPath)
1091 {
1092         TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
1093
1094         if (SHELL_OsIsUnicode())
1095           return SHGetPathFromIDListW(pidl,pszPath);
1096         return SHGetPathFromIDListA(pidl,pszPath);
1097 }
1098
1099 /**************************************************************************
1100  *
1101  *              internal functions
1102  *
1103  *      ### 1. section creating pidls ###
1104  *
1105  *************************************************************************
1106  *  _ILCreateDesktop()
1107  *  _ILCreateIExplore()
1108  *  _ILCreateMyComputer()
1109  *  _ILCreateDrive()
1110  *  _ILCreateFolder()
1111  *  _ILCreateValue()
1112  */
1113 LPITEMIDLIST _ILCreateDesktop()
1114 {       TRACE("()\n");
1115         return _ILCreate(PT_DESKTOP, NULL, 0);
1116 }
1117
1118 LPITEMIDLIST _ILCreateMyComputer()
1119 {       TRACE("()\n");
1120         return _ILCreate(PT_MYCOMP, &CLSID_MyComputer, sizeof(GUID));
1121 }
1122
1123 LPITEMIDLIST _ILCreateIExplore()
1124 {       TRACE("()\n");
1125         return _ILCreate(PT_MYCOMP, &CLSID_Internet, sizeof(GUID));
1126 }
1127
1128 LPITEMIDLIST _ILCreateControl()
1129 {       TRACE("()\n");
1130         return _ILCreate(PT_SPECIAL, &CLSID_ControlPanel, sizeof(GUID));
1131 }
1132
1133 LPITEMIDLIST _ILCreatePrinter()
1134 {       TRACE("()\n");
1135         return _ILCreate(PT_SPECIAL, &CLSID_Printers, sizeof(GUID));
1136 }
1137
1138 LPITEMIDLIST _ILCreateNetwork()
1139 {       TRACE("()\n");
1140         return _ILCreate(PT_MYCOMP, &CLSID_NetworkPlaces, sizeof(GUID));
1141 }
1142
1143 LPITEMIDLIST _ILCreateBitBucket()
1144 {       TRACE("()\n");
1145         return _ILCreate(PT_MYCOMP, &CLSID_RecycleBin, sizeof(GUID));
1146 }
1147
1148 LPITEMIDLIST _ILCreateDrive( LPCSTR lpszNew)
1149 {       char sTemp[4];
1150         lstrcpynA (sTemp,lpszNew,4);
1151         sTemp[2]='\\';
1152         sTemp[3]=0x00;
1153         TRACE("(%s)\n",sTemp);
1154         return _ILCreate(PT_DRIVE,(LPVOID)&sTemp[0],4);
1155 }
1156
1157 LPITEMIDLIST _ILCreateFolder( WIN32_FIND_DATAA * stffile )
1158 {
1159         char    buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1160         char *  pbuff = buff;
1161         ULONG   len, len1;
1162         LPITEMIDLIST pidl;
1163
1164         TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1165
1166         /* prepare buffer with both names */
1167         len = strlen (stffile->cFileName) + 1;
1168         memcpy (pbuff, stffile->cFileName, len);
1169         pbuff += len;
1170
1171         if (stffile->cAlternateFileName)
1172         {
1173           len1 = strlen (stffile->cAlternateFileName)+1;
1174           memcpy (pbuff, stffile->cAlternateFileName, len1);
1175         }
1176         else
1177         {
1178           len1 = 1;
1179           *pbuff = 0x00;
1180         }
1181
1182         pidl = _ILCreate(PT_FOLDER, (LPVOID)buff, len + len1);
1183
1184         /* set attributes */
1185         if (pidl)
1186         {
1187           LPPIDLDATA pData;
1188           pData = _ILGetDataPointer(pidl);
1189           FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
1190           pData->u.folder.dwFileSize = stffile->nFileSizeLow;
1191           pData->u.folder.uFileAttribs=stffile->dwFileAttributes;
1192         }
1193
1194         return pidl;
1195 }
1196
1197 LPITEMIDLIST _ILCreateValue(WIN32_FIND_DATAA * stffile)
1198 {
1199         char    buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1200         char *  pbuff = buff;
1201         ULONG   len, len1;
1202         LPITEMIDLIST pidl;
1203
1204         TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1205
1206         /* prepare buffer with both names */
1207         len = strlen (stffile->cFileName) + 1;
1208         memcpy (pbuff, stffile->cFileName, len);
1209         pbuff += len;
1210
1211         if (stffile->cAlternateFileName)
1212         {
1213           len1 = strlen (stffile->cAlternateFileName)+1;
1214           memcpy (pbuff, stffile->cAlternateFileName, len1);
1215         }
1216         else
1217         {
1218           len1 = 1;
1219           *pbuff = 0x00;
1220         }
1221
1222         pidl = _ILCreate(PT_VALUE, (LPVOID)buff, len + len1);
1223
1224         /* set attributes */
1225         if (pidl)
1226         {
1227           LPPIDLDATA pData;
1228           pData = _ILGetDataPointer(pidl);
1229           FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
1230           pData->u.folder.dwFileSize = stffile->nFileSizeLow;
1231           pData->u.folder.uFileAttribs=stffile->dwFileAttributes;
1232         }
1233
1234         return pidl;
1235 }
1236
1237 LPITEMIDLIST _ILCreateSpecial(LPCSTR szGUID)
1238 {
1239     IID iid;
1240     WCHAR buffer[40];
1241
1242     if (!MultiByteToWideChar( CP_ACP, 0, szGUID, -1, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1243         return NULL;
1244     CLSIDFromString( buffer, &iid );
1245     return _ILCreate(PT_MYCOMP, &iid, sizeof(IID));
1246 }
1247
1248 /**************************************************************************
1249  *  _ILCreate()
1250  *  Creates a new PIDL
1251  *  type = PT_DESKTOP | PT_DRIVE | PT_FOLDER | PT_VALUE
1252  *  pIn = data
1253  *  uInSize = size of data (raw)
1254  */
1255
1256 LPITEMIDLIST _ILCreate(PIDLTYPE type, LPCVOID pIn, UINT uInSize)
1257 {
1258         LPITEMIDLIST   pidlOut = NULL, pidlTemp = NULL;
1259         LPPIDLDATA     pData;
1260         UINT           uSize = 0;
1261         LPSTR   pszDest;
1262
1263         TRACE("(0x%02x %p %i)\n",type,pIn,uInSize);
1264
1265         switch (type)
1266         {
1267           case PT_DESKTOP:
1268             uSize = 0;
1269             break;
1270           case PT_SPECIAL:
1271           case PT_MYCOMP:
1272             uSize = 2 + 2 + sizeof(GUID);
1273             break;
1274           case PT_DRIVE:
1275             uSize = 2 + 23;
1276             break;
1277           case PT_FOLDER:
1278           case PT_VALUE:
1279             uSize = 2 + 12 + uInSize;
1280             break;
1281           default:
1282             FIXME("can't create type: 0x%08x\n",type);
1283             return NULL;
1284         }
1285
1286         if(!(pidlOut = SHAlloc(uSize + 2))) return NULL;
1287         ZeroMemory(pidlOut, uSize + 2);
1288         pidlOut->mkid.cb = uSize;
1289
1290         switch (type)
1291         {
1292           case PT_DESKTOP:
1293             TRACE("- create Desktop\n");
1294             break;
1295
1296           case PT_SPECIAL:
1297           case PT_MYCOMP:
1298             pData =_ILGetDataPointer(pidlOut);
1299             pData->type = type;
1300             memcpy(&(pData->u.mycomp.guid), pIn, uInSize);
1301             TRACE("- create GUID-pidl\n");
1302             break;
1303
1304           case PT_DRIVE:
1305             pData =_ILGetDataPointer(pidlOut);
1306             pData->type = type;
1307             pszDest = _ILGetTextPointer(pidlOut);
1308             memcpy(pszDest, pIn, uInSize);
1309             TRACE("- create Drive: %s\n",debugstr_a(pszDest));
1310             break;
1311
1312           case PT_FOLDER:
1313           case PT_VALUE:
1314             pData =_ILGetDataPointer(pidlOut);
1315             pData->type = type;
1316             pszDest =  _ILGetTextPointer(pidlOut);
1317             memcpy(pszDest, pIn, uInSize);
1318             TRACE("- create Value: %s\n",debugstr_a(pszDest));
1319             break;
1320         }
1321
1322         pidlTemp = ILGetNext(pidlOut);
1323         if (pidlTemp)
1324           pidlTemp->mkid.cb = 0x00;
1325
1326         TRACE("-- (pidl=%p, size=%u)\n", pidlOut, uSize);
1327         return pidlOut;
1328 }
1329
1330 /**************************************************************************
1331  *  _ILGetDrive()
1332  *
1333  *  Gets the text for the drive eg. 'c:\'
1334  *
1335  * RETURNS
1336  *  strlen (lpszText)
1337  */
1338 DWORD _ILGetDrive(LPCITEMIDLIST pidl,LPSTR pOut, UINT uSize)
1339 {       TRACE("(%p,%p,%u)\n",pidl,pOut,uSize);
1340
1341         if(_ILIsMyComputer(pidl))
1342           pidl = ILGetNext(pidl);
1343
1344         if (pidl && _ILIsDrive(pidl))
1345           return _ILSimpleGetText(pidl, pOut, uSize);
1346
1347         return 0;
1348 }
1349
1350 /**************************************************************************
1351  *
1352  *      ### 2. section testing pidls ###
1353  *
1354  **************************************************************************
1355  *  _ILIsDesktop()
1356  *  _ILIsMyComputer()
1357  *  _ILIsSpecialFolder()
1358  *  _ILIsDrive()
1359  *  _ILIsFolder()
1360  *  _ILIsValue()
1361  *  _ILIsPidlSimple()
1362  */
1363 BOOL _ILIsDesktop(LPCITEMIDLIST pidl)
1364 {       TRACE("(%p)\n",pidl);
1365         return ( !pidl || (pidl && pidl->mkid.cb == 0x00) );
1366 }
1367
1368 BOOL _ILIsMyComputer(LPCITEMIDLIST pidl)
1369 {
1370         REFIID iid = _ILGetGUIDPointer(pidl);
1371
1372         TRACE("(%p)\n",pidl);
1373
1374         if (iid)
1375           return IsEqualIID(iid, &CLSID_MyComputer);
1376         return FALSE;
1377 }
1378
1379 BOOL _ILIsSpecialFolder (LPCITEMIDLIST pidl)
1380 {
1381         LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1382         TRACE("(%p)\n",pidl);
1383         return (pidl && ( (lpPData && (PT_MYCOMP== lpPData->type || PT_SPECIAL== lpPData->type)) ||
1384                           (pidl && pidl->mkid.cb == 0x00)
1385                         ));
1386 }
1387
1388 BOOL _ILIsDrive(LPCITEMIDLIST pidl)
1389 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1390         TRACE("(%p)\n",pidl);
1391         return (pidl && lpPData && (PT_DRIVE == lpPData->type ||
1392                                     PT_DRIVE1 == lpPData->type ||
1393                                     PT_DRIVE2 == lpPData->type ||
1394                                     PT_DRIVE3 == lpPData->type));
1395 }
1396
1397 BOOL _ILIsFolder(LPCITEMIDLIST pidl)
1398 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1399         TRACE("(%p)\n",pidl);
1400         return (pidl && lpPData && (PT_FOLDER == lpPData->type || PT_FOLDER1 == lpPData->type));
1401 }
1402
1403 BOOL _ILIsValue(LPCITEMIDLIST pidl)
1404 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1405         TRACE("(%p)\n",pidl);
1406         return (pidl && lpPData && PT_VALUE == lpPData->type);
1407 }
1408
1409 /**************************************************************************
1410  *      _ILIsPidlSimple
1411  */
1412 BOOL _ILIsPidlSimple ( LPCITEMIDLIST pidl)
1413 {
1414         BOOL ret = TRUE;
1415
1416         if(! _ILIsDesktop(pidl))        /* pidl=NULL or mkid.cb=0 */
1417         {
1418           WORD len = pidl->mkid.cb;
1419           LPCITEMIDLIST pidlnext = (LPCITEMIDLIST) (((LPBYTE)pidl) + len );
1420           if (pidlnext->mkid.cb)
1421             ret = FALSE;
1422         }
1423
1424         TRACE("%s\n", ret ? "Yes" : "No");
1425         return ret;
1426 }
1427
1428 /**************************************************************************
1429  *
1430  *      ### 3. section getting values from pidls ###
1431  */
1432
1433  /**************************************************************************
1434  *  _ILSimpleGetText
1435  *
1436  * gets the text for the first item in the pidl (eg. simple pidl)
1437  *
1438  * returns the length of the string
1439  */
1440 DWORD _ILSimpleGetText (LPCITEMIDLIST pidl, LPSTR szOut, UINT uOutSize)
1441 {
1442         DWORD           dwReturn=0;
1443         LPSTR           szSrc;
1444         GUID const *    riid;
1445         char szTemp[MAX_PATH];
1446
1447         TRACE("(%p %p %x)\n",pidl,szOut,uOutSize);
1448
1449         if (!pidl) return 0;
1450
1451         if (szOut)
1452           *szOut = 0;
1453
1454         if (_ILIsDesktop(pidl))
1455         {
1456          /* desktop */
1457           if (HCR_GetClassName(&CLSID_ShellDesktop, szTemp, MAX_PATH))
1458           {
1459             if (szOut)
1460               lstrcpynA(szOut, szTemp, uOutSize);
1461
1462             dwReturn = strlen (szTemp);
1463           }
1464         }
1465         else if (( szSrc = _ILGetTextPointer(pidl) ))
1466         {
1467           /* filesystem */
1468           if (szOut)
1469             lstrcpynA(szOut, szSrc, uOutSize);
1470
1471           dwReturn = strlen(szSrc);
1472         }
1473         else if (( riid = _ILGetGUIDPointer(pidl) ))
1474         {
1475           /* special folder */
1476           if ( HCR_GetClassName(riid, szTemp, MAX_PATH) )
1477           {
1478             if (szOut)
1479               lstrcpynA(szOut, szTemp, uOutSize);
1480
1481             dwReturn = strlen (szTemp);
1482           }
1483         }
1484         else
1485         {
1486           ERR("-- no text\n");
1487         }
1488
1489         TRACE("-- (%p=%s 0x%08lx)\n",szOut,debugstr_a(szOut),dwReturn);
1490         return dwReturn;
1491 }
1492
1493 /**************************************************************************
1494  *
1495  *      ### 4. getting pointers to parts of pidls ###
1496  *
1497  **************************************************************************
1498  *  _ILGetDataPointer()
1499  */
1500 LPPIDLDATA _ILGetDataPointer(LPITEMIDLIST pidl)
1501 {
1502         if(pidl && pidl->mkid.cb != 0x00)
1503           return (LPPIDLDATA) &(pidl->mkid.abID);
1504         return NULL;
1505 }
1506
1507 /**************************************************************************
1508  *  _ILGetTextPointer()
1509  * gets a pointer to the long filename string stored in the pidl
1510  */
1511 LPSTR _ILGetTextPointer(LPCITEMIDLIST pidl)
1512 {/*     TRACE(pidl,"(pidl%p)\n", pidl);*/
1513
1514         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1515
1516         if (pdata)
1517         {
1518           switch (pdata->type)
1519           {
1520             case PT_MYCOMP:
1521             case PT_SPECIAL:
1522               return NULL;
1523
1524             case PT_DRIVE:
1525             case PT_DRIVE1:
1526             case PT_DRIVE2:
1527             case PT_DRIVE3:
1528               return (LPSTR)&(pdata->u.drive.szDriveName);
1529
1530             case PT_FOLDER:
1531             case PT_FOLDER1:
1532             case PT_VALUE:
1533             case PT_IESPECIAL1:
1534             case PT_IESPECIAL2:
1535               return (LPSTR)&(pdata->u.file.szNames);
1536
1537             case PT_WORKGRP:
1538             case PT_COMP:
1539             case PT_NETWORK:
1540             case PT_SHARE:
1541               return (LPSTR)&(pdata->u.network.szNames);
1542           }
1543         }
1544         return NULL;
1545 }
1546
1547 /**************************************************************************
1548  *  _ILGetSTextPointer()
1549  * gets a pointer to the short filename string stored in the pidl
1550  */
1551 LPSTR _ILGetSTextPointer(LPCITEMIDLIST pidl)
1552 {/*     TRACE(pidl,"(pidl%p)\n", pidl);*/
1553
1554         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1555
1556         if (pdata)
1557         {
1558           switch (pdata->type)
1559           {
1560             case PT_FOLDER:
1561             case PT_VALUE:
1562             case PT_IESPECIAL1:
1563             case PT_IESPECIAL2:
1564               return (LPSTR)(pdata->u.file.szNames + strlen (pdata->u.file.szNames) + 1);
1565
1566             case PT_WORKGRP:
1567               return (LPSTR)(pdata->u.network.szNames + strlen (pdata->u.network.szNames) + 1);
1568           }
1569         }
1570         return NULL;
1571 }
1572
1573 /**************************************************************************
1574  * _ILGetGUIDPointer()
1575  *
1576  * returns reference to guid stored in some pidls
1577  */
1578 REFIID _ILGetGUIDPointer(LPCITEMIDLIST pidl)
1579 {
1580         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1581
1582         TRACE("%p\n", pidl);
1583
1584         if (pdata)
1585         {
1586           TRACE("pdata->type 0x%04x\n", pdata->type);
1587           switch (pdata->type)
1588           {
1589             case PT_SPECIAL:
1590             case PT_MYCOMP:
1591               return (REFIID) &(pdata->u.mycomp.guid);
1592
1593             default:
1594                 TRACE("Unknown pidl type 0x%04x\n", pdata->type);
1595                 break;
1596           }
1597         }
1598         return NULL;
1599 }
1600
1601 /*************************************************************************
1602  * _ILGetFileDateTime
1603  *
1604  * Given the ItemIdList, get the FileTime
1605  *
1606  * PARAMS
1607  *      pidl        [I] The ItemIDList
1608  *      pFt         [I] the resulted FILETIME of the file
1609  *
1610  * RETURNS
1611  *     True if Successful
1612  *
1613  * NOTES
1614  *
1615  */
1616 BOOL _ILGetFileDateTime(LPCITEMIDLIST pidl, FILETIME *pFt)
1617 {
1618     LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1619
1620     if(! pdata) return FALSE;
1621
1622     switch (pdata->type)
1623     {
1624         case PT_FOLDER:
1625             DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, pFt);
1626             break;
1627         case PT_VALUE:
1628             DosDateTimeToFileTime(pdata->u.file.uFileDate, pdata->u.file.uFileTime, pFt);
1629             break;
1630         default:
1631             return FALSE;
1632     }
1633     return TRUE;
1634 }
1635
1636 BOOL _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1637 {
1638         FILETIME ft,lft;
1639         SYSTEMTIME time;
1640
1641         if (! _ILGetFileDateTime( pidl, &ft )) return FALSE;
1642
1643         FileTimeToLocalFileTime(&ft, &lft);
1644         FileTimeToSystemTime (&lft, &time);
1645         return GetDateFormatA(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&time, NULL,  pOut, uOutSize);
1646 }
1647
1648 /*************************************************************************
1649  * _ILGetFileSize
1650  *
1651  * Given the ItemIdList, get the FileSize
1652  *
1653  * PARAMS
1654  *      pidl    [I] The ItemIDList
1655  *      pOut    [I] The buffer to save the result
1656  *      uOutsize [I] The size of the buffer
1657  *
1658  * RETURNS
1659  *     The FileSize
1660  *
1661  * NOTES
1662  *      pOut can be null when no string is needed
1663  *
1664  */
1665 DWORD _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1666 {
1667         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1668         DWORD dwSize;
1669
1670         if(! pdata) return 0;
1671
1672         switch (pdata->type)
1673         {
1674           case PT_VALUE:
1675             dwSize = pdata->u.file.dwFileSize;
1676             if (pOut) StrFormatByteSizeA(dwSize, pOut, uOutSize);
1677             return dwSize;
1678         }
1679         if (pOut) *pOut = 0x00;
1680         return 0;
1681 }
1682
1683 BOOL _ILGetExtension (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1684 {
1685         char szTemp[MAX_PATH];
1686         const char * pPoint;
1687         LPITEMIDLIST  pidlTemp=pidl;
1688
1689         TRACE("pidl=%p\n",pidl);
1690
1691         if (!pidl) return FALSE;
1692
1693         pidlTemp = ILFindLastID(pidl);
1694
1695         if (!_ILIsValue(pidlTemp)) return FALSE;
1696         if (!_ILSimpleGetText(pidlTemp, szTemp, MAX_PATH)) return FALSE;
1697
1698         pPoint = PathFindExtensionA(szTemp);
1699
1700         if (! *pPoint) return FALSE;
1701
1702         pPoint++;
1703         lstrcpynA(pOut, pPoint, uOutSize);
1704         TRACE("%s\n",pOut);
1705
1706         return TRUE;
1707 }
1708
1709 /*************************************************************************
1710  * _ILGetFileType
1711  *
1712  * Given the ItemIdList, get the file type description
1713  *
1714  * PARAMS
1715  *      pidl        [I] The ItemIDList (simple)
1716  *      pOut        [I] The buffer to save the result
1717  *      uOutsize    [I] The size of the buffer
1718  *
1719  * RETURNS
1720  *      nothing
1721  *
1722  * NOTES
1723  *      This function copies as much as possible into the buffer.
1724  */
1725 void _ILGetFileType(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1726 {
1727         if(_ILIsValue(pidl))
1728         {
1729           char sTemp[64];
1730           if(uOutSize > 0)
1731           {
1732             pOut[0] = 0;
1733           }
1734           if (_ILGetExtension (pidl, sTemp, 64))
1735           {
1736             if (!( HCR_MapTypeToValue(sTemp, sTemp, 64, TRUE)
1737                 && HCR_MapTypeToValue(sTemp, pOut, uOutSize, FALSE )))
1738             {
1739               lstrcpynA (pOut, sTemp, uOutSize - 6);
1740               strcat (pOut, "-file");
1741             }
1742           }
1743         }
1744         else
1745         {
1746           lstrcpynA(pOut, "Folder", uOutSize);
1747         }
1748 }
1749
1750 /*************************************************************************
1751  * _ILGetFileAttributes
1752  *
1753  * Given the ItemIdList, get the Attrib string format
1754  *
1755  * PARAMS
1756  *      pidl        [I] The ItemIDList
1757  *      pOut        [I] The buffer to save the result
1758  *      uOutsize    [I] The size of the Buffer
1759  *
1760  * RETURNS
1761  *     Attributes
1762  *
1763  * FIXME
1764  *  return value 0 in case of error is a valid return value
1765  *
1766  */
1767 DWORD _ILGetFileAttributes(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1768 {
1769         LPPIDLDATA pData =_ILGetDataPointer(pidl);
1770         WORD wAttrib = 0;
1771         int i;
1772
1773         if(! pData) return 0;
1774
1775         switch(pData->type)
1776         {
1777           case PT_FOLDER:
1778             wAttrib = pData->u.folder.uFileAttribs;
1779             break;
1780           case PT_VALUE:
1781             wAttrib = pData->u.file.uFileAttribs;
1782             break;
1783         }
1784
1785         if(uOutSize >= 6)
1786         {
1787           i=0;
1788           if(wAttrib & FILE_ATTRIBUTE_READONLY)
1789           {
1790             pOut[i++] = 'R';
1791           }
1792           if(wAttrib & FILE_ATTRIBUTE_HIDDEN)
1793           {
1794             pOut[i++] = 'H';
1795           }
1796           if(wAttrib & FILE_ATTRIBUTE_SYSTEM)
1797           {
1798             pOut[i++] = 'S';
1799           }
1800           if(wAttrib & FILE_ATTRIBUTE_ARCHIVE)
1801           {
1802             pOut[i++] = 'A';
1803           }
1804           if(wAttrib & FILE_ATTRIBUTE_COMPRESSED)
1805           {
1806             pOut[i++] = 'C';
1807           }
1808           pOut[i] = 0x00;
1809         }
1810         return wAttrib;
1811 }
1812
1813 /*************************************************************************
1814 * ILFreeaPidl
1815 *
1816 * free a aPidl struct
1817 */
1818 void _ILFreeaPidl(LPITEMIDLIST * apidl, UINT cidl)
1819 {
1820         int   i;
1821
1822         if(apidl)
1823         {
1824           for(i = 0; i < cidl; i++) SHFree(apidl[i]);
1825           SHFree(apidl);
1826         }
1827 }
1828
1829 /*************************************************************************
1830 * ILCopyaPidl
1831 *
1832 * copies an aPidl struct
1833 */
1834 LPITEMIDLIST *  _ILCopyaPidl(LPITEMIDLIST * apidlsrc, UINT cidl)
1835 {
1836         int i;
1837         LPITEMIDLIST * apidldest = (LPITEMIDLIST*)SHAlloc(cidl * sizeof(LPITEMIDLIST));
1838         if(!apidlsrc) return NULL;
1839
1840         for(i = 0; i < cidl; i++)
1841           apidldest[i] = ILClone(apidlsrc[i]);
1842
1843         return apidldest;
1844 }
1845
1846 /*************************************************************************
1847 * _ILCopyCidaToaPidl
1848 *
1849 * creates aPidl from CIDA
1850 */
1851 LPITEMIDLIST * _ILCopyCidaToaPidl(LPITEMIDLIST* pidl, LPCIDA cida)
1852 {
1853         int i;
1854         LPITEMIDLIST * dst = (LPITEMIDLIST*)SHAlloc(cida->cidl * sizeof(LPITEMIDLIST));
1855
1856         if(!dst) return NULL;
1857
1858         if (pidl)
1859           *pidl = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[0]]));
1860
1861         for(i = 0; i < cida->cidl; i++)
1862           dst[i] = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[i + 1]]));
1863
1864         return dst;
1865 }