/* * pidl Handling * * Copyright 1998 Juergen Schmied * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * NOTES * a pidl == NULL means desktop and is legal * */ #include "config.h" #include "wine/port.h" #include #include #include #include #define COBJMACROS #define NONAMELESSUNION #define NONAMELESSSTRUCT #include "windef.h" #include "winbase.h" #include "winreg.h" #include "objbase.h" #include "shlguid.h" #include "winerror.h" #include "winnls.h" #include "undocshell.h" #include "shell32_main.h" #include "shellapi.h" #include "shlwapi.h" #include "pidl.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(pidl); WINE_DECLARE_DEBUG_CHANNEL(shell); /* from comctl32.dll */ extern LPVOID WINAPI Alloc(INT); extern BOOL WINAPI Free(LPVOID); /************************************************************************* * ILGetDisplayNameEx [SHELL32.186] * * Retrieves the display name of an ItemIDList * * PARAMS * psf [I] Shell Folder to start with, if NULL the desktop is used * pidl [I] ItemIDList relativ to the psf to get the display name for * path [O] Filled in with the display name, assumed to be at least MAX_PATH long * type [I] Type of display name to retrieve * 0 = SHGDN_FORPARSING | SHGDN_FORADDRESSBAR uses always the desktop as root * 1 = SHGDN_NORMAL relative to the root folder * 2 = SHGDN_INFOLDER relative to the root folder, only the last name * * RETURNS * True if the display name could be retrieved successfully, False otherwise */ BOOL WINAPI ILGetDisplayNameExA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPSTR path, DWORD type) { BOOL ret = FALSE; WCHAR wPath[MAX_PATH]; TRACE("%p %p %p %ld\n", psf, pidl, path, type); if (!pidl || !path) return FALSE; ret = ILGetDisplayNameExW(psf, pidl, wPath, type); WideCharToMultiByte(CP_ACP, 0, wPath, -1, path, MAX_PATH, NULL, NULL); TRACE("%p %p %s\n", psf, pidl, debugstr_a(path)); return ret; } BOOL WINAPI ILGetDisplayNameExW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPWSTR path, DWORD type) { LPSHELLFOLDER psfParent, lsf = psf; HRESULT ret = NO_ERROR; LPCITEMIDLIST pidllast; STRRET strret; DWORD flag; TRACE("%p %p %p %ld\n", psf, pidl, path, type); if (!pidl || !path) return FALSE; if (!lsf) { ret = SHGetDesktopFolder(&lsf); if (FAILED(ret)) return FALSE; } if (type >= 0 && type <= 2) { switch (type) { case ILGDN_FORPARSING: flag = SHGDN_FORPARSING | SHGDN_FORADDRESSBAR; break; case ILGDN_NORMAL: flag = SHGDN_NORMAL; break; case ILGDN_INFOLDER: flag = SHGDN_INFOLDER; break; default: FIXME("Unknown type parameter = %lx\n", type); flag = SHGDN_FORPARSING | SHGDN_FORADDRESSBAR; break; } if (!*(const WORD*)pidl || type == ILGDN_FORPARSING) { ret = IShellFolder_GetDisplayNameOf(lsf, pidl, flag, &strret); if (SUCCEEDED(ret)) { if(!StrRetToStrNW(path, MAX_PATH, &strret, pidl)) ret = E_FAIL; } } else { ret = SHBindToParent(pidl, &IID_IShellFolder, (LPVOID*)&psfParent, &pidllast); if (SUCCEEDED(ret)) { ret = IShellFolder_GetDisplayNameOf(psfParent, pidllast, flag, &strret); if (SUCCEEDED(ret)) { if(!StrRetToStrNW(path, MAX_PATH, &strret, pidllast)) ret = E_FAIL; } IShellFolder_Release(psfParent); } } } TRACE("%p %p %s\n", psf, pidl, debugstr_w(path)); if (!psf) IShellFolder_Release(lsf); return SUCCEEDED(ret); } BOOL WINAPI ILGetDisplayNameEx(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPVOID path, DWORD type) { TRACE_(shell)("%p %p %p %ld\n", psf, pidl, path, type); if (SHELL_OsIsUnicode()) return ILGetDisplayNameExW(psf, pidl, path, type); return ILGetDisplayNameExA(psf, pidl, path, type); } /************************************************************************* * ILGetDisplayName [SHELL32.15] */ BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl, LPVOID path) { TRACE_(shell)("%p %p\n", pidl, path); if (SHELL_OsIsUnicode()) return ILGetDisplayNameExW(NULL, pidl, path, ILGDN_FORPARSING); return ILGetDisplayNameExA(NULL, pidl, path, ILGDN_FORPARSING); } /************************************************************************* * ILFindLastID [SHELL32.16] * * NOTES * observed: pidl=Desktop return=pidl */ LPITEMIDLIST WINAPI ILFindLastID(LPCITEMIDLIST pidl) { LPCITEMIDLIST pidlLast = pidl; TRACE("(pidl=%p)\n",pidl); if (!pidl) return NULL; while (pidl->mkid.cb) { pidlLast = pidl; pidl = ILGetNext(pidl); } return (LPITEMIDLIST)pidlLast; } /************************************************************************* * ILRemoveLastID [SHELL32.17] * * NOTES * when pidl=Desktop return=FALSE */ BOOL WINAPI ILRemoveLastID(LPITEMIDLIST pidl) { TRACE_(shell)("pidl=%p\n",pidl); if (!pidl || !pidl->mkid.cb) return 0; ILFindLastID(pidl)->mkid.cb = 0; return 1; } /************************************************************************* * ILClone [SHELL32.18] * * NOTES * duplicate an idlist */ LPITEMIDLIST WINAPI ILClone (LPCITEMIDLIST pidl) { DWORD len; LPITEMIDLIST newpidl; if (!pidl) return NULL; len = ILGetSize(pidl); newpidl = (LPITEMIDLIST)SHAlloc(len); if (newpidl) memcpy(newpidl,pidl,len); TRACE("pidl=%p newpidl=%p\n",pidl, newpidl); pdump(pidl); return newpidl; } /************************************************************************* * ILCloneFirst [SHELL32.19] * * NOTES * duplicates the first idlist of a complex pidl */ LPITEMIDLIST WINAPI ILCloneFirst(LPCITEMIDLIST pidl) { DWORD len; LPITEMIDLIST pidlNew = NULL; TRACE("pidl=%p\n", pidl); pdump(pidl); if (pidl) { len = pidl->mkid.cb; pidlNew = (LPITEMIDLIST) SHAlloc (len+2); if (pidlNew) { memcpy(pidlNew,pidl,len+2); /* 2 -> mind a desktop pidl */ if (len) ILGetNext(pidlNew)->mkid.cb = 0x00; } } TRACE("-- newpidl=%p\n",pidlNew); return pidlNew; } /************************************************************************* * ILLoadFromStream (SHELL32.26) * * NOTES * the first two bytes are the len, the pidl is following then */ HRESULT WINAPI ILLoadFromStream (IStream * pStream, LPITEMIDLIST * ppPidl) { WORD wLen = 0; DWORD dwBytesRead; HRESULT ret = E_FAIL; TRACE_(shell)("%p %p\n", pStream , ppPidl); if (*ppPidl) { SHFree(*ppPidl); *ppPidl = NULL; } IStream_AddRef (pStream); if (SUCCEEDED(IStream_Read(pStream, (LPVOID)&wLen, 2, &dwBytesRead))) { TRACE("PIDL length is %d\n", wLen); if (wLen != 0) { *ppPidl = SHAlloc (wLen); if (SUCCEEDED(IStream_Read(pStream, *ppPidl , wLen, &dwBytesRead))) { TRACE("Stream read OK\n"); ret = S_OK; } else { WARN("reading pidl failed\n"); SHFree(*ppPidl); *ppPidl = NULL; } } else { *ppPidl = NULL; ret = S_OK; } } /* we are not yet fully compatible */ if (*ppPidl && !pcheck(*ppPidl)) { WARN("Check failed\n"); SHFree(*ppPidl); *ppPidl = NULL; } IStream_Release (pStream); TRACE("done\n"); return ret; } /************************************************************************* * ILSaveToStream (SHELL32.27) * * NOTES * the first two bytes are the len, the pidl is following then */ HRESULT WINAPI ILSaveToStream (IStream * pStream, LPCITEMIDLIST pPidl) { LPCITEMIDLIST pidl; WORD wLen = 0; HRESULT ret = E_FAIL; TRACE_(shell)("%p %p\n", pStream, pPidl); IStream_AddRef (pStream); pidl = pPidl; while (pidl->mkid.cb) { wLen += sizeof(WORD) + pidl->mkid.cb; pidl = ILGetNext(pidl); } if (SUCCEEDED(IStream_Write(pStream, (LPVOID)&wLen, 2, NULL))) { if (SUCCEEDED(IStream_Write(pStream, pPidl, wLen, NULL))) ret = S_OK; } IStream_Release (pStream); return ret; } /************************************************************************* * SHILCreateFromPath [SHELL32.28] * * Create an ItemIDList from a path * * PARAMS * path [I] * ppidl [O] * attributes [I/O] requested attributes on call and actual attributes when * the function returns * * RETURNS * NO_ERROR if successful, or an OLE errer code otherwise * * NOTES * Wrapper for IShellFolder_ParseDisplayName(). */ HRESULT WINAPI SHILCreateFromPathA(LPCSTR path, LPITEMIDLIST * ppidl, DWORD * attributes) { WCHAR lpszDisplayName[MAX_PATH]; TRACE_(shell)("%s %p 0x%08lx\n", path, ppidl, attributes ? *attributes : 0); if (!MultiByteToWideChar(CP_ACP, 0, path, -1, lpszDisplayName, MAX_PATH)) lpszDisplayName[MAX_PATH-1] = 0; return SHILCreateFromPathW(lpszDisplayName, ppidl, attributes); } HRESULT WINAPI SHILCreateFromPathW(LPCWSTR path, LPITEMIDLIST * ppidl, DWORD * attributes) { LPSHELLFOLDER sf; DWORD pchEaten; HRESULT ret = E_FAIL; TRACE_(shell)("%s %p 0x%08lx\n", debugstr_w(path), ppidl, attributes ? *attributes : 0); if (SUCCEEDED (SHGetDesktopFolder(&sf))) { ret = IShellFolder_ParseDisplayName(sf, 0, NULL, (LPWSTR)path, &pchEaten, ppidl, attributes); IShellFolder_Release(sf); } return ret; } HRESULT WINAPI SHILCreateFromPathAW (LPCVOID path, LPITEMIDLIST * ppidl, DWORD * attributes) { if ( SHELL_OsIsUnicode()) return SHILCreateFromPathW (path, ppidl, attributes); return SHILCreateFromPathA (path, ppidl, attributes); } /************************************************************************* * SHCloneSpecialIDList [SHELL32.89] * * Create an ItemIDList to one of the special folders. * PARAMS * hwndOwner [in] * nFolder [in] CSIDL_xxxxx * fCreate [in] Create folder if it does not exist * * RETURNS * Success: The newly created pidl * Failure: NULL, if inputs are invalid. * * NOTES * exported by ordinal. * Caller is responsible for deallocating the returned ItemIDList with the * shells IMalloc interface, aka ILFree. */ LPITEMIDLIST WINAPI SHCloneSpecialIDList(HWND hwndOwner, DWORD nFolder, BOOL fCreate) { LPITEMIDLIST ppidl; TRACE_(shell)("(hwnd=%p,csidl=0x%lx,%s).\n", hwndOwner, nFolder, fCreate ? "T" : "F"); if (fCreate) nFolder |= CSIDL_FLAG_CREATE; SHGetSpecialFolderLocation(hwndOwner, nFolder, &ppidl); return ppidl; } /************************************************************************* * ILGlobalClone [SHELL32.20] * * Clones an ItemIDList using Alloc. * * PARAMS * pidl [I] ItemIDList to clone * * RETURNS * Newly allocated ItemIDList. * * NOTES * exported by ordinal. */ LPITEMIDLIST WINAPI ILGlobalClone(LPCITEMIDLIST pidl) { DWORD len; LPITEMIDLIST newpidl; if (!pidl) return NULL; len = ILGetSize(pidl); newpidl = (LPITEMIDLIST)Alloc(len); if (newpidl) memcpy(newpidl,pidl,len); TRACE("pidl=%p newpidl=%p\n",pidl, newpidl); pdump(pidl); return newpidl; } /************************************************************************* * ILIsEqual [SHELL32.21] * */ BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2) { char szData1[MAX_PATH]; char szData2[MAX_PATH]; LPCITEMIDLIST pidltemp1 = pidl1; LPCITEMIDLIST pidltemp2 = pidl2; TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2); /* * Explorer reads from registry directly (StreamMRU), * so we can only check here */ if (!pcheck(pidl1) || !pcheck (pidl2)) return FALSE; pdump (pidl1); pdump (pidl2); if (!pidl1 || !pidl2) return FALSE; while (pidltemp1->mkid.cb && pidltemp2->mkid.cb) { _ILSimpleGetText(pidltemp1, szData1, MAX_PATH); _ILSimpleGetText(pidltemp2, szData2, MAX_PATH); if (strcasecmp( szData1, szData2 )) return FALSE; pidltemp1 = ILGetNext(pidltemp1); pidltemp2 = ILGetNext(pidltemp2); } if (!pidltemp1->mkid.cb && !pidltemp2->mkid.cb) return TRUE; return FALSE; } /************************************************************************* * ILIsParent [SHELL32.23] * * Verifies that pidlParent is indeed the (immediate) parent of pidlChild. * * PARAMS * pidlParent [I] * pidlChild [I] * bImmediate [I] only return true if the parent is the direct parent * of the child * * RETURNS * True if the parent ItemIDlist is a complete part of the child ItemIdList, * False otherwise. * * NOTES * parent = a/b, child = a/b/c -> true, c is in folder a/b * child = a/b/c/d -> false if bImmediate is true, d is not in folder a/b * child = a/b/c/d -> true if bImmediate is false, d is in a subfolder of a/b */ BOOL WINAPI ILIsParent(LPCITEMIDLIST pidlParent, LPCITEMIDLIST pidlChild, BOOL bImmediate) { char szData1[MAX_PATH]; char szData2[MAX_PATH]; LPCITEMIDLIST pParent = pidlParent; LPCITEMIDLIST pChild = pidlChild; TRACE("%p %p %x\n", pidlParent, pidlChild, bImmediate); if (!pParent || !pChild) return FALSE; while (pParent->mkid.cb && pChild->mkid.cb) { _ILSimpleGetText(pParent, szData1, MAX_PATH); _ILSimpleGetText(pChild, szData2, MAX_PATH); if (strcasecmp( szData1, szData2 )) return FALSE; pParent = ILGetNext(pParent); pChild = ILGetNext(pChild); } /* child shorter or has equal length to parent */ if (pParent->mkid.cb || !pChild->mkid.cb) return FALSE; /* not immediate descent */ if ( ILGetNext(pChild)->mkid.cb && bImmediate) return FALSE; return TRUE; } /************************************************************************* * ILFindChild [SHELL32.24] * * Compares elements from pidl1 and pidl2. * * PARAMS * pidl1 [I] * pidl2 [I] * * RETURNS * pidl1 is desktop pidl2 * pidl1 shorter pidl2 pointer to first different element of pidl2 * if there was at least one equal element * pidl2 shorter pidl1 0 * pidl2 equal pidl1 pointer to last 0x00-element of pidl2 * * NOTES * exported by ordinal. */ LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2) { char szData1[MAX_PATH]; char szData2[MAX_PATH]; LPCITEMIDLIST pidltemp1 = pidl1; LPCITEMIDLIST pidltemp2 = pidl2; LPCITEMIDLIST ret=NULL; TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2); /* explorer reads from registry directly (StreamMRU), so we can only check here */ if ((!pcheck (pidl1)) || (!pcheck (pidl2))) return FALSE; pdump (pidl1); pdump (pidl2); if (_ILIsDesktop(pidl1)) { ret = pidl2; } else { while (pidltemp1->mkid.cb && pidltemp2->mkid.cb) { _ILSimpleGetText(pidltemp1, szData1, MAX_PATH); _ILSimpleGetText(pidltemp2, szData2, MAX_PATH); if (strcasecmp(szData1,szData2)) break; pidltemp1 = ILGetNext(pidltemp1); pidltemp2 = ILGetNext(pidltemp2); ret = pidltemp2; } if (pidltemp1->mkid.cb) ret = NULL; /* elements of pidl1 left*/ } TRACE_(shell)("--- %p\n", ret); return (LPITEMIDLIST)ret; /* pidl 1 is shorter */ } /************************************************************************* * ILCombine [SHELL32.25] * * Concatenates two complex ItemIDLists. * * PARAMS * pidl1 [I] first complex ItemIDLists * pidl2 [I] complex ItemIDLists to append * * RETURNS * if both pidl's == NULL NULL * if pidl1 == NULL cloned pidl2 * if pidl2 == NULL cloned pidl1 * otherwise new pidl with pidl2 appended to pidl1 * * NOTES * exported by ordinal. * Does not destroy the passed in ItemIDLists! */ LPITEMIDLIST WINAPI ILCombine(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2) { DWORD len1,len2; LPITEMIDLIST pidlNew; TRACE("pidl=%p pidl=%p\n",pidl1,pidl2); if (!pidl1 && !pidl2) return NULL; pdump (pidl1); pdump (pidl2); if (!pidl1) { pidlNew = ILClone(pidl2); return pidlNew; } if (!pidl2) { pidlNew = ILClone(pidl1); return pidlNew; } len1 = ILGetSize(pidl1)-2; len2 = ILGetSize(pidl2); pidlNew = SHAlloc(len1+len2); if (pidlNew) { memcpy(pidlNew,pidl1,len1); memcpy(((BYTE *)pidlNew)+len1,pidl2,len2); } /* TRACE(pidl,"--new pidl=%p\n",pidlNew);*/ return pidlNew; } /************************************************************************* * SHGetRealIDL [SHELL32.98] * * NOTES */ HRESULT WINAPI SHGetRealIDL(LPSHELLFOLDER lpsf, LPCITEMIDLIST pidlSimple, LPITEMIDLIST *pidlReal) { IDataObject* pDataObj; HRESULT hr; hr = IShellFolder_GetUIObjectOf(lpsf, 0, 1, &pidlSimple, &IID_IDataObject, 0, (LPVOID*)&pDataObj); if (SUCCEEDED(hr)) { STGMEDIUM medium; FORMATETC fmt; fmt.cfFormat = RegisterClipboardFormatA(CFSTR_SHELLIDLIST); fmt.ptd = NULL; fmt.dwAspect = DVASPECT_CONTENT; fmt.lindex = -1; fmt.tymed = TYMED_HGLOBAL; hr = IDataObject_GetData(pDataObj, &fmt, &medium); IDataObject_Release(pDataObj); if (SUCCEEDED(hr)) { /*assert(pida->cidl==1);*/ LPIDA pida = (LPIDA)GlobalLock(medium.u.hGlobal); LPCITEMIDLIST pidl_folder = (LPCITEMIDLIST) ((LPBYTE)pida+pida->aoffset[0]); LPCITEMIDLIST pidl_child = (LPCITEMIDLIST) ((LPBYTE)pida+pida->aoffset[1]); *pidlReal = ILCombine(pidl_folder, pidl_child); if (!*pidlReal) hr = E_OUTOFMEMORY; GlobalUnlock(medium.u.hGlobal); GlobalFree(medium.u.hGlobal); } } return hr; } /************************************************************************* * SHLogILFromFSIL [SHELL32.95] * * NOTES * pild = CSIDL_DESKTOP ret = 0 * pild = CSIDL_DRIVES ret = 0 */ LPITEMIDLIST WINAPI SHLogILFromFSIL(LPITEMIDLIST pidl) { FIXME("(pidl=%p)\n",pidl); pdump(pidl); return 0; } /************************************************************************* * ILGetSize [SHELL32.152] * * Gets the byte size of an ItemIDList including zero terminator * * PARAMS * pidl [I] ItemIDList * * RETURNS * size of pidl in bytes * * NOTES * exported by ordinal */ UINT WINAPI ILGetSize(LPCITEMIDLIST pidl) { LPCSHITEMID si = &(pidl->mkid); UINT len=0; if (pidl) { while (si->cb) { len += si->cb; si = (LPCSHITEMID)(((const BYTE*)si)+si->cb); } len += 2; } TRACE("pidl=%p size=%u\n",pidl, len); return len; } /************************************************************************* * ILGetNext [SHELL32.153] * * Gets the next ItemID of an ItemIDList * * PARAMS * pidl [I] ItemIDList * * RETURNS * null -> null * desktop -> null * simple pidl -> pointer to 0x0000 element * * NOTES * exported by ordinal. */ LPITEMIDLIST WINAPI ILGetNext(LPCITEMIDLIST pidl) { WORD len; TRACE("%p\n", pidl); if (pidl) { len = pidl->mkid.cb; if (len) { pidl = (LPCITEMIDLIST) (((const BYTE*)pidl)+len); TRACE("-- %p\n", pidl); return (LPITEMIDLIST)pidl; } } return NULL; } /************************************************************************* * ILAppend [SHELL32.154] * * Adds the single ItemID item to the ItemIDList indicated by pidl. * If bEnd is FALSE, inserts the item in the front of the list, * otherwise it adds the item to the end. (???) * * PARAMS * pidl [I] ItemIDList to extend * item [I] ItemID to prepend/append * bEnd [I] Indicates if the item should be appended * * NOTES * Destroys the passed in idlist! (???) */ LPITEMIDLIST WINAPI ILAppend(LPITEMIDLIST pidl, LPCITEMIDLIST item, BOOL bEnd) { LPITEMIDLIST idlRet; WARN("(pidl=%p,pidl=%p,%08u)semi-stub\n",pidl,item,bEnd); pdump (pidl); pdump (item); if (_ILIsDesktop(pidl)) { idlRet = ILClone(item); if (pidl) SHFree (pidl); return idlRet; } if (bEnd) idlRet = ILCombine(pidl, item); else idlRet = ILCombine(item, pidl); SHFree(pidl); return idlRet; } /************************************************************************* * ILFree [SHELL32.155] * * Frees memory (if not NULL) allocated by SHMalloc allocator * * PARAMS * pidl [I] * * RETURNS * Nothing * * NOTES * exported by ordinal */ void WINAPI ILFree(LPITEMIDLIST pidl) { TRACE("(pidl=%p)\n",pidl); if (pidl) SHFree(pidl); } /************************************************************************* * ILGlobalFree [SHELL32.156] * * Frees memory (if not NULL) allocated by Alloc allocator * * PARAMS * pidl [I] * * RETURNS * Nothing * * NOTES * exported by ordinal. */ void WINAPI ILGlobalFree( LPITEMIDLIST pidl) { TRACE("%p\n", pidl); if (pidl) Free(pidl); } /************************************************************************* * ILCreateFromPathA [SHELL32.189] * * Creates a complex ItemIDList from a path and returns it. * * PARAMS * path [I] * * RETURNS * the newly created complex ItemIDList or NULL if failed * * NOTES * exported by ordinal. */ LPITEMIDLIST WINAPI ILCreateFromPathA (LPCSTR path) { LPITEMIDLIST pidlnew = NULL; TRACE_(shell)("%s\n", debugstr_a(path)); if (SUCCEEDED(SHILCreateFromPathA(path, &pidlnew, NULL))) return pidlnew; return NULL; } /************************************************************************* * ILCreateFromPathW [SHELL32.190] * * See ILCreateFromPathA. */ LPITEMIDLIST WINAPI ILCreateFromPathW (LPCWSTR path) { LPITEMIDLIST pidlnew = NULL; TRACE_(shell)("%s\n", debugstr_w(path)); if (SUCCEEDED(SHILCreateFromPathW(path, &pidlnew, NULL))) return pidlnew; return NULL; } /************************************************************************* * ILCreateFromPath [SHELL32.157] */ LPITEMIDLIST WINAPI ILCreateFromPathAW (LPCVOID path) { if ( SHELL_OsIsUnicode()) return ILCreateFromPathW (path); return ILCreateFromPathA (path); } /************************************************************************* * _ILParsePathW [internal] * * Creates an ItemIDList from a path and returns it. * * PARAMS * path [I] path to parse and convert into an ItemIDList * lpFindFile [I] pointer to buffer to initialize the FileSystem * Bind Data object with * bBindCtx [I] indicates to create a BindContext and assign a * FileSystem Bind Data object * ppidl [O] the newly create ItemIDList * prgfInOut [I/O] requested attributes on input and actual * attributes on return * * RETURNS * NO_ERROR on success or an OLE error code * * NOTES * If either lpFindFile is non-NULL or bBindCtx is TRUE, this function * creates a BindContext object and assigns a FileSystem Bind Data object * to it, passing the BindContext to IShellFolder_ParseDisplayName. Each * IShellFolder uses that FileSystem Bind Data object of the BindContext * to pass data about the current path element to the next object. This * is used to avoid having to verify the current path element on disk, so * that creating an ItemIDList from a nonexistent path still can work. */ static HRESULT WINAPI _ILParsePathW(LPCWSTR path, LPWIN32_FIND_DATAW lpFindFile, BOOL bBindCtx, LPITEMIDLIST *ppidl, LPDWORD prgfInOut) { LPSHELLFOLDER pSF = NULL; LPBC pBC = NULL; HRESULT ret; TRACE("%s %p %d (%p)->%p (%p)->0x%lx\n", debugstr_w(path), lpFindFile, bBindCtx, ppidl, ppidl ? *ppidl : NULL, prgfInOut, prgfInOut ? *prgfInOut : 0); ret = SHGetDesktopFolder(&pSF); if (FAILED(ret)) return ret; if (lpFindFile || bBindCtx) ret = IFileSystemBindData_Constructor(lpFindFile, &pBC); if (SUCCEEDED(ret)) { ret = IShellFolder_ParseDisplayName(pSF, 0, pBC, (LPOLESTR)path, NULL, ppidl, prgfInOut); } if (pBC) { IBindCtx_Release(pBC); pBC = NULL; } IShellFolder_Release(pSF); if (!SUCCEEDED(ret) && ppidl) *ppidl = NULL; TRACE("%s %p 0x%lx\n", debugstr_w(path), ppidl ? *ppidl : NULL, prgfInOut ? *prgfInOut : 0); return ret; } /************************************************************************* * SHSimpleIDListFromPath [SHELL32.162] * * Creates a simple ItemIDList from a path and returns it. This function * does not fail on nonexistent paths. * * PARAMS * path [I] path to parse and convert into an ItemIDList * * RETURNS * the newly created simple ItemIDList * * NOTES * Simple in the name does not mean a relative ItemIDList but rather a * fully qualified list, where only the file name is filled in and the * directory flag for those ItemID elements this is known about, eg. * it is not the last element in the ItemIDList or the actual directory * exists on disk. * exported by ordinal. */ LPITEMIDLIST WINAPI SHSimpleIDListFromPathA(LPCSTR lpszPath) { LPITEMIDLIST pidl = NULL; LPWSTR wPath = NULL; int len; TRACE("%s\n", debugstr_a(lpszPath)); if (lpszPath) { len = MultiByteToWideChar(CP_ACP, 0, lpszPath, -1, NULL, 0); wPath = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); MultiByteToWideChar(CP_ACP, 0, lpszPath, -1, wPath, len); } _ILParsePathW(wPath, NULL, TRUE, &pidl, NULL); HeapFree(GetProcessHeap(), 0, wPath); TRACE("%s %p\n", debugstr_a(lpszPath), pidl); return pidl; } LPITEMIDLIST WINAPI SHSimpleIDListFromPathW(LPCWSTR lpszPath) { LPITEMIDLIST pidl = NULL; TRACE("%s\n", debugstr_w(lpszPath)); _ILParsePathW(lpszPath, NULL, TRUE, &pidl, NULL); TRACE("%s %p\n", debugstr_w(lpszPath), pidl); return pidl; } LPITEMIDLIST WINAPI SHSimpleIDListFromPathAW(LPCVOID lpszPath) { if ( SHELL_OsIsUnicode()) return SHSimpleIDListFromPathW (lpszPath); return SHSimpleIDListFromPathA (lpszPath); } /************************************************************************* * SHGetDataFromIDListA [SHELL32.247] * * NOTES * the pidl can be a simple one. since we can't get the path out of the pidl * we have to take all data from the pidl */ HRESULT WINAPI SHGetDataFromIDListA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len) { LPSTR filename, shortname; WIN32_FIND_DATAA * pfd; TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len); pdump(pidl); if (!psf || !dest) return E_INVALIDARG; switch (nFormat) { case SHGDFIL_FINDDATA: pfd = dest; if (_ILIsDrive(pidl) || _ILIsSpecialFolder(pidl)) return E_INVALIDARG; if (len < sizeof(WIN32_FIND_DATAA)) return E_INVALIDARG; ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA)); _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime)); pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0); pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0); filename = _ILGetTextPointer(pidl); shortname = _ILGetSTextPointer(pidl); if (filename) lstrcpynA(pfd->cFileName, filename, MAX_PATH); else pfd->cFileName[0] = '\0'; if (shortname) lstrcpynA(pfd->cAlternateFileName, shortname, MAX_PATH); else pfd->cAlternateFileName[0] = '\0'; return NOERROR; case SHGDFIL_NETRESOURCE: case SHGDFIL_DESCRIPTIONID: FIXME_(shell)("SHGDFIL %i stub\n", nFormat); break; default: ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat); } return E_INVALIDARG; } /************************************************************************* * SHGetDataFromIDListW [SHELL32.248] * */ HRESULT WINAPI SHGetDataFromIDListW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len) { LPSTR filename, shortname; WIN32_FIND_DATAW * pfd = dest; TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len); pdump(pidl); if (!psf || !dest) return E_INVALIDARG; switch (nFormat) { case SHGDFIL_FINDDATA: pfd = dest; if (_ILIsDrive(pidl)) return E_INVALIDARG; if (len < sizeof(WIN32_FIND_DATAW)) return E_INVALIDARG; ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA)); _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime)); pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0); pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0); filename = _ILGetTextPointer(pidl); shortname = _ILGetSTextPointer(pidl); if (!filename) pfd->cFileName[0] = '\0'; else if (!MultiByteToWideChar(CP_ACP, 0, filename, -1, pfd->cFileName, MAX_PATH)) pfd->cFileName[MAX_PATH-1] = 0; if (!shortname) pfd->cAlternateFileName[0] = '\0'; else if (!MultiByteToWideChar(CP_ACP, 0, shortname, -1, pfd->cAlternateFileName, 14)) pfd->cAlternateFileName[13] = 0; return NOERROR; case SHGDFIL_NETRESOURCE: case SHGDFIL_DESCRIPTIONID: FIXME_(shell)("SHGDFIL %i stub\n", nFormat); break; default: ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat); } return E_INVALIDARG; } /************************************************************************* * SHGetPathFromIDListA [SHELL32.@][NT 4.0: SHELL32.220] * * PARAMETERS * pidl, [IN] pidl * pszPath [OUT] path * * RETURNS * path from a passed PIDL. * * NOTES * NULL returns FALSE * desktop pidl gives path to desktop directory back * special pidls returning FALSE */ BOOL WINAPI SHGetPathFromIDListA(LPCITEMIDLIST pidl, LPSTR pszPath) { WCHAR wszPath[MAX_PATH]; BOOL bSuccess; bSuccess = SHGetPathFromIDListW(pidl, wszPath); if (bSuccess) WideCharToMultiByte(CP_ACP, 0, wszPath, -1, pszPath, MAX_PATH, NULL, NULL); return bSuccess; } /************************************************************************* * SHGetPathFromIDListW [SHELL32.@] * * See SHGetPathFromIDListA. */ BOOL WINAPI SHGetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath) { HRESULT hr; LPCITEMIDLIST pidlLast; LPSHELLFOLDER psfFolder; DWORD dwAttributes; STRRET strret; TRACE_(shell)("(pidl=%p,%p)\n", pidl, debugstr_w(pszPath)); pdump(pidl); if (!pidl) return FALSE; hr = SHBindToParent(pidl, &IID_IShellFolder, (VOID**)&psfFolder, &pidlLast); if (FAILED(hr)) return FALSE; dwAttributes = SFGAO_FILESYSTEM; hr = IShellFolder_GetAttributesOf(psfFolder, 1, &pidlLast, &dwAttributes); if (FAILED(hr) || !(dwAttributes & SFGAO_FILESYSTEM)) { IShellFolder_Release(psfFolder); return FALSE; } hr = IShellFolder_GetDisplayNameOf(psfFolder, pidlLast, SHGDN_FORPARSING, &strret); IShellFolder_Release(psfFolder); if (FAILED(hr)) return FALSE; hr = StrRetToBufW(&strret, pidlLast, pszPath, MAX_PATH); TRACE_(shell)("-- %s, 0x%08lx\n",debugstr_w(pszPath), hr); return SUCCEEDED(hr); } /************************************************************************* * SHBindToParent [shell version 5.0] */ HRESULT WINAPI SHBindToParent(LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppv, LPCITEMIDLIST *ppidlLast) { IShellFolder * psfDesktop; HRESULT hr=E_FAIL; TRACE_(shell)("pidl=%p\n", pidl); pdump(pidl); if (!pidl || !ppv) return E_INVALIDARG; *ppv = NULL; if (ppidlLast) *ppidlLast = NULL; hr = SHGetDesktopFolder(&psfDesktop); if (FAILED(hr)) return hr; if (_ILIsPidlSimple(pidl)) { /* we are on desktop level */ hr = IShellFolder_QueryInterface(psfDesktop, riid, ppv); } else { LPITEMIDLIST pidlParent = ILClone(pidl); ILRemoveLastID(pidlParent); hr = IShellFolder_BindToObject(psfDesktop, pidlParent, NULL, riid, ppv); SHFree (pidlParent); } IShellFolder_Release(psfDesktop); if (SUCCEEDED(hr) && ppidlLast) *ppidlLast = ILFindLastID(pidl); TRACE_(shell)("-- psf=%p pidl=%p ret=0x%08lx\n", *ppv, (ppidlLast)?*ppidlLast:NULL, hr); return hr; } /************************************************************************** * * internal functions * * ### 1. section creating pidls ### * ************************************************************************* */ LPITEMIDLIST _ILAlloc(PIDLTYPE type, unsigned int size) { LPITEMIDLIST pidlOut = NULL; pidlOut = SHAlloc(size + 5); if(pidlOut) { LPPIDLDATA pData; LPITEMIDLIST pidlNext; ZeroMemory(pidlOut, size + 5); pidlOut->mkid.cb = size + 3; pData = _ILGetDataPointer(pidlOut); if (pData) pData->type = type; pidlNext = ILGetNext(pidlOut); if (pidlNext) pidlNext->mkid.cb = 0x00; TRACE("-- (pidl=%p, size=%u)\n", pidlOut, size); } return pidlOut; } LPITEMIDLIST _ILCreateDesktop() { LPITEMIDLIST ret; TRACE("()\n"); ret = SHAlloc(2); if (ret) ret->mkid.cb = 0; return ret; } LPITEMIDLIST _ILCreateMyComputer() { TRACE("()\n"); return _ILCreateGuid(PT_GUID, &CLSID_MyComputer); } LPITEMIDLIST _ILCreateMyDocuments() { TRACE("()\n"); return _ILCreateGuid(PT_GUID, &CLSID_MyDocuments); } LPITEMIDLIST _ILCreateIExplore() { TRACE("()\n"); return _ILCreateGuid(PT_GUID, &CLSID_Internet); } LPITEMIDLIST _ILCreateControlPanel() { LPITEMIDLIST parent = _ILCreateGuid(PT_GUID, &CLSID_MyComputer), ret = NULL; TRACE("()\n"); if (parent) { LPITEMIDLIST cpl = _ILCreateGuid(PT_SHELLEXT, &CLSID_ControlPanel); if (cpl) { ret = ILCombine(parent, cpl); SHFree(cpl); } SHFree(parent); } return ret; } LPITEMIDLIST _ILCreatePrinters() { LPITEMIDLIST parent = _ILCreateGuid(PT_GUID, &CLSID_MyComputer), ret = NULL; TRACE("()\n"); if (parent) { LPITEMIDLIST printers = _ILCreateGuid(PT_YAGUID, &CLSID_Printers); if (printers) { ret = ILCombine(parent, printers); SHFree(printers); } SHFree(parent); } return ret; } LPITEMIDLIST _ILCreateNetwork() { TRACE("()\n"); return _ILCreateGuid(PT_GUID, &CLSID_NetworkPlaces); } LPITEMIDLIST _ILCreateBitBucket() { TRACE("()\n"); return _ILCreateGuid(PT_GUID, &CLSID_RecycleBin); } LPITEMIDLIST _ILCreateGuid(PIDLTYPE type, REFIID guid) { LPITEMIDLIST pidlOut; if (type == PT_SHELLEXT || type == PT_GUID || type == PT_YAGUID) { pidlOut = _ILAlloc(type, sizeof(GUIDStruct)); if (pidlOut) { LPPIDLDATA pData = _ILGetDataPointer(pidlOut); memcpy(&(pData->u.guid.guid), guid, sizeof(GUID)); TRACE("-- create GUID-pidl %s\n", debugstr_guid(&(pData->u.guid.guid))); } } else { WARN("%d: invalid type for GUID\n", type); pidlOut = NULL; } return pidlOut; } LPITEMIDLIST _ILCreateGuidFromStrA(LPCSTR szGUID) { IID iid; if (!SUCCEEDED(SHCLSIDFromStringA(szGUID, &iid))) { ERR("%s is not a GUID\n", szGUID); return NULL; } return _ILCreateGuid(PT_GUID, &iid); } LPITEMIDLIST _ILCreateGuidFromStrW(LPCWSTR szGUID) { IID iid; if (!SUCCEEDED(SHCLSIDFromStringW(szGUID, &iid))) { ERR("%s is not a GUID\n", debugstr_w(szGUID)); return NULL; } return _ILCreateGuid(PT_GUID, &iid); } LPITEMIDLIST _ILCreateFromFindDataW( WIN32_FIND_DATAW *wfd ) { /* FIXME: should make unicode PIDLs */ WIN32_FIND_DATAA fda; memset( &fda, 0, sizeof fda ); fda.dwFileAttributes = wfd->dwFileAttributes; fda.ftCreationTime = wfd->ftCreationTime; fda.ftLastAccessTime = wfd->ftLastAccessTime; fda.ftLastWriteTime = wfd->ftLastWriteTime; fda.nFileSizeHigh = wfd->nFileSizeHigh; fda.nFileSizeLow = wfd->nFileSizeLow; fda.dwReserved0 = wfd->dwReserved0; fda.dwReserved1 = wfd->dwReserved1; WideCharToMultiByte( CP_ACP, 0, wfd->cFileName, -1, fda.cFileName, MAX_PATH, NULL, NULL ); return _ILCreateFromFindDataA( &fda ); } LPITEMIDLIST _ILCreateFromFindDataA(WIN32_FIND_DATAA * stffile ) { char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */ char * pbuff = buff; size_t len, len1; LPITEMIDLIST pidl; PIDLTYPE type; if (!stffile) return NULL; TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName); /* prepare buffer with both names */ len = strlen (stffile->cFileName) + 1; memcpy (pbuff, stffile->cFileName, len); pbuff += len; len1 = strlen (stffile->cAlternateFileName)+1; memcpy (pbuff, stffile->cAlternateFileName, len1); type = (stffile->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? PT_FOLDER : PT_VALUE; /* * FileStruct already has one byte for the first name, so use len - 1 in * size calculation */ pidl = _ILAlloc(type, sizeof(FileStruct) + (len - 1) + len1); if (pidl) { LPPIDLDATA pData; LPSTR pszDest; /* set attributes */ pData = _ILGetDataPointer(pidl); if (pData) { pData->type = type; FileTimeToDosDateTime( &(stffile->ftLastWriteTime), &pData->u.file.uFileDate, &pData->u.file.uFileTime); pData->u.file.dwFileSize = stffile->nFileSizeLow; pData->u.file.uFileAttribs = (WORD)stffile->dwFileAttributes; } pszDest = _ILGetTextPointer(pidl); if (pszDest) { memcpy(pszDest, buff, len + len1); TRACE("-- create Value: %s\n",debugstr_a(pszDest)); } } return pidl; } HRESULT _ILCreateFromPathA(LPCSTR szPath, LPITEMIDLIST* ppidl) { HANDLE hFile; WIN32_FIND_DATAA stffile; if (!ppidl) return E_INVALIDARG; hFile = FindFirstFileA(szPath, &stffile); if (hFile == INVALID_HANDLE_VALUE) return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND); FindClose(hFile); *ppidl = _ILCreateFromFindDataA(&stffile); return *ppidl ? S_OK : E_OUTOFMEMORY; } HRESULT _ILCreateFromPathW(LPCWSTR szPath, LPITEMIDLIST* ppidl) { HANDLE hFile; WIN32_FIND_DATAW stffile; if (!ppidl) return E_INVALIDARG; hFile = FindFirstFileW(szPath, &stffile); if (hFile == INVALID_HANDLE_VALUE) return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND); FindClose(hFile); *ppidl = _ILCreateFromFindDataW(&stffile); return *ppidl ? S_OK : E_OUTOFMEMORY; } LPITEMIDLIST _ILCreateDrive(LPCWSTR lpszNew) { LPITEMIDLIST pidlOut; TRACE("(%s)\n",debugstr_w(lpszNew)); pidlOut = _ILAlloc(PT_DRIVE, sizeof(DriveStruct)); if (pidlOut) { LPSTR pszDest; pszDest = _ILGetTextPointer(pidlOut); if (pszDest) { strcpy(pszDest, "x:\\"); pszDest[0]=toupperW(lpszNew[0]); TRACE("-- create Drive: %s\n", debugstr_a(pszDest)); } } return pidlOut; } /************************************************************************** * _ILGetDrive() * * Gets the text for the drive eg. 'c:\' * * RETURNS * strlen (lpszText) */ DWORD _ILGetDrive(LPCITEMIDLIST pidl,LPSTR pOut, UINT uSize) { TRACE("(%p,%p,%u)\n",pidl,pOut,uSize); if(_ILIsMyComputer(pidl)) pidl = ILGetNext(pidl); if (pidl && _ILIsDrive(pidl)) return _ILSimpleGetText(pidl, pOut, uSize); return 0; } /************************************************************************** * * ### 2. section testing pidls ### * ************************************************************************** * _ILIsDesktop() * _ILIsMyComputer() * _ILIsSpecialFolder() * _ILIsDrive() * _ILIsFolder() * _ILIsValue() * _ILIsPidlSimple() */ BOOL _ILIsDesktop(LPCITEMIDLIST pidl) { TRACE("(%p)\n",pidl); return pidl && pidl->mkid.cb ? 0 : 1; } BOOL _ILIsMyComputer(LPCITEMIDLIST pidl) { REFIID iid = _ILGetGUIDPointer(pidl); TRACE("(%p)\n",pidl); if (iid) return IsEqualIID(iid, &CLSID_MyComputer); return FALSE; } BOOL _ILIsSpecialFolder (LPCITEMIDLIST pidl) { LPPIDLDATA lpPData = _ILGetDataPointer(pidl); TRACE("(%p)\n",pidl); return (pidl && ( (lpPData && (PT_GUID== lpPData->type || PT_SHELLEXT== lpPData->type || PT_YAGUID == lpPData->type)) || (pidl && pidl->mkid.cb == 0x00) )); } BOOL _ILIsDrive(LPCITEMIDLIST pidl) { LPPIDLDATA lpPData = _ILGetDataPointer(pidl); TRACE("(%p)\n",pidl); return (pidl && lpPData && (PT_DRIVE == lpPData->type || PT_DRIVE1 == lpPData->type || PT_DRIVE2 == lpPData->type || PT_DRIVE3 == lpPData->type)); } BOOL _ILIsFolder(LPCITEMIDLIST pidl) { LPPIDLDATA lpPData = _ILGetDataPointer(pidl); TRACE("(%p)\n",pidl); return (pidl && lpPData && (PT_FOLDER == lpPData->type || PT_FOLDER1 == lpPData->type)); } BOOL _ILIsValue(LPCITEMIDLIST pidl) { LPPIDLDATA lpPData = _ILGetDataPointer(pidl); TRACE("(%p)\n",pidl); return (pidl && lpPData && PT_VALUE == lpPData->type); } BOOL _ILIsCPanelStruct(LPCITEMIDLIST pidl) { LPPIDLDATA lpPData = _ILGetDataPointer(pidl); TRACE("(%p)\n",pidl); return (pidl && lpPData && (lpPData->type == 0)); } /************************************************************************** * _ILIsPidlSimple */ BOOL _ILIsPidlSimple(LPCITEMIDLIST pidl) { BOOL ret = TRUE; if(! _ILIsDesktop(pidl)) /* pidl=NULL or mkid.cb=0 */ { WORD len = pidl->mkid.cb; LPCITEMIDLIST pidlnext = (LPCITEMIDLIST) (((const BYTE*)pidl) + len ); if (pidlnext->mkid.cb) ret = FALSE; } TRACE("%s\n", ret ? "Yes" : "No"); return ret; } /************************************************************************** * * ### 3. section getting values from pidls ### */ /************************************************************************** * _ILSimpleGetText * * gets the text for the first item in the pidl (eg. simple pidl) * * returns the length of the string */ DWORD _ILSimpleGetText (LPCITEMIDLIST pidl, LPSTR szOut, UINT uOutSize) { DWORD dwReturn=0; LPSTR szSrc; GUID const * riid; char szTemp[MAX_PATH]; TRACE("(%p %p %x)\n",pidl,szOut,uOutSize); if (!pidl) return 0; if (szOut) *szOut = 0; if (_ILIsDesktop(pidl)) { /* desktop */ if (HCR_GetClassNameA(&CLSID_ShellDesktop, szTemp, MAX_PATH)) { if (szOut) lstrcpynA(szOut, szTemp, uOutSize); dwReturn = strlen (szTemp); } } else if (( szSrc = _ILGetTextPointer(pidl) )) { /* filesystem */ if (szOut) lstrcpynA(szOut, szSrc, uOutSize); dwReturn = strlen(szSrc); } else if (( riid = _ILGetGUIDPointer(pidl) )) { /* special folder */ if ( HCR_GetClassNameA(riid, szTemp, MAX_PATH) ) { if (szOut) lstrcpynA(szOut, szTemp, uOutSize); dwReturn = strlen (szTemp); } } else { ERR("-- no text\n"); } TRACE("-- (%p=%s 0x%08lx)\n",szOut,debugstr_a(szOut),dwReturn); return dwReturn; } /************************************************************************** * _ILSimpleGetTextW * * gets the text for the first item in the pidl (eg. simple pidl) * * returns the length of the string */ DWORD _ILSimpleGetTextW (LPCITEMIDLIST pidl, LPWSTR szOut, UINT uOutSize) { DWORD dwReturn; char szTemp[MAX_PATH]; FileStructW *pFileStructW = _ILGetFileStructW(pidl); TRACE("(%p %p %x)\n",pidl,szOut,uOutSize); if (pFileStructW) { lstrcpynW(szOut, pFileStructW->wszName, uOutSize); dwReturn = lstrlenW(pFileStructW->wszName); } else { dwReturn = _ILSimpleGetText(pidl, szTemp, MAX_PATH); if (!MultiByteToWideChar(CP_ACP, 0, szTemp, -1, szOut, uOutSize)) *szOut = 0; } TRACE("-- (%p=%s 0x%08lx)\n",szOut,debugstr_w(szOut),dwReturn); return dwReturn; } /************************************************************************** * * ### 4. getting pointers to parts of pidls ### * ************************************************************************** * _ILGetDataPointer() */ LPPIDLDATA _ILGetDataPointer(LPCITEMIDLIST pidl) { if(pidl && pidl->mkid.cb != 0x00) return (LPPIDLDATA) &(pidl->mkid.abID); return NULL; } /************************************************************************** * _ILGetTextPointer() * gets a pointer to the long filename string stored in the pidl */ LPSTR _ILGetTextPointer(LPCITEMIDLIST pidl) { /* TRACE(pidl,"(pidl%p)\n", pidl);*/ LPPIDLDATA pdata = _ILGetDataPointer(pidl); if (!pdata) return NULL; switch (pdata->type) { case PT_GUID: case PT_SHELLEXT: case PT_YAGUID: return NULL; case PT_DRIVE: case PT_DRIVE1: case PT_DRIVE2: case PT_DRIVE3: return (LPSTR)&(pdata->u.drive.szDriveName); case PT_FOLDER: case PT_FOLDER1: case PT_VALUE: case PT_IESPECIAL1: case PT_IESPECIAL2: return (LPSTR)&(pdata->u.file.szNames); case PT_WORKGRP: case PT_COMP: case PT_NETWORK: case PT_NETPROVIDER: case PT_SHARE: return (LPSTR)&(pdata->u.network.szNames); } return NULL; } /************************************************************************** * _ILGetSTextPointer() * gets a pointer to the short filename string stored in the pidl */ LPSTR _ILGetSTextPointer(LPCITEMIDLIST pidl) { /* TRACE(pidl,"(pidl%p)\n", pidl); */ LPPIDLDATA pdata =_ILGetDataPointer(pidl); if (!pdata) return NULL; switch (pdata->type) { case PT_FOLDER: case PT_VALUE: case PT_IESPECIAL1: case PT_IESPECIAL2: return (LPSTR)(pdata->u.file.szNames + strlen (pdata->u.file.szNames) + 1); case PT_WORKGRP: return (LPSTR)(pdata->u.network.szNames + strlen (pdata->u.network.szNames) + 1); } return NULL; } /************************************************************************** * _ILGetGUIDPointer() * * returns reference to guid stored in some pidls */ IID* _ILGetGUIDPointer(LPCITEMIDLIST pidl) { LPPIDLDATA pdata =_ILGetDataPointer(pidl); TRACE("%p\n", pidl); if (!pdata) return NULL; TRACE("pdata->type 0x%04x\n", pdata->type); switch (pdata->type) { case PT_SHELLEXT: case PT_GUID: case PT_YAGUID: return &(pdata->u.guid.guid); default: TRACE("Unknown pidl type 0x%04x\n", pdata->type); break; } return NULL; } /****************************************************************************** * _ILGetFileStructW [Internal] * * Get pointer the a SHITEMID's FileStructW field if present * * PARAMS * pidl [I] The SHITEMID * * RETURNS * Success: Pointer to pidl's FileStructW field. * Failure: NULL */ FileStructW* _ILGetFileStructW(LPCITEMIDLIST pidl) { FileStructW *pFileStructW; WORD cbOffset; if (!(_ILIsValue(pidl) || _ILIsFolder(pidl))) return NULL; cbOffset = *(WORD*)((LPBYTE)pidl + pidl->mkid.cb - sizeof(WORD)); pFileStructW = (FileStructW*)((LPBYTE)pidl + cbOffset); /* Currently I don't see a fool prove way to figure out if a pidl is for sure of WinXP * style with a FileStructW member. If we switch all our shellfolder-implementations to * the new format, this won't be a problem. For now, we do as many sanity checks as possible. */ if (cbOffset & 0x1 || /* FileStructW member is word aligned in the pidl */ /* FileStructW is positioned after FileStruct */ cbOffset < sizeof(pidl->mkid.cb) + sizeof(PIDLTYPE) + sizeof(FileStruct) || /* There has to be enough space at cbOffset in the pidl to hold FileStructW and cbOffset */ cbOffset > pidl->mkid.cb - sizeof(cbOffset) - sizeof(FileStructW) || pidl->mkid.cb != cbOffset + pFileStructW->cbLen) { WARN("Invalid pidl format (cbOffset = %d)!\n", cbOffset); return NULL; } return pFileStructW; } /************************************************************************* * _ILGetFileDateTime * * Given the ItemIdList, get the FileTime * * PARAMS * pidl [I] The ItemIDList * pFt [I] the resulted FILETIME of the file * * RETURNS * True if Successful * * NOTES * */ BOOL _ILGetFileDateTime(LPCITEMIDLIST pidl, FILETIME *pFt) { LPPIDLDATA pdata = _ILGetDataPointer(pidl); if (!pdata) return FALSE; switch (pdata->type) { case PT_FOLDER: case PT_VALUE: DosDateTimeToFileTime(pdata->u.file.uFileDate, pdata->u.file.uFileTime, pFt); break; default: return FALSE; } return TRUE; } BOOL _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize) { FILETIME ft,lft; SYSTEMTIME time; BOOL ret; if (_ILGetFileDateTime( pidl, &ft )) { FileTimeToLocalFileTime(&ft, &lft); FileTimeToSystemTime (&lft, &time); ret = GetDateFormatA(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&time, NULL, pOut, uOutSize); if (ret) { /* Append space + time without seconds */ pOut[ret-1] = ' '; GetTimeFormatA(LOCALE_USER_DEFAULT, TIME_NOSECONDS, &time, NULL, &pOut[ret], uOutSize - ret); } } else { pOut[0] = '\0'; ret = FALSE; } return ret; } /************************************************************************* * _ILGetFileSize * * Given the ItemIdList, get the FileSize * * PARAMS * pidl [I] The ItemIDList * pOut [I] The buffer to save the result * uOutsize [I] The size of the buffer * * RETURNS * The FileSize * * NOTES * pOut can be null when no string is needed * */ DWORD _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize) { LPPIDLDATA pdata = _ILGetDataPointer(pidl); DWORD dwSize; if (!pdata) return 0; switch (pdata->type) { case PT_VALUE: dwSize = pdata->u.file.dwFileSize; if (pOut) StrFormatByteSizeA(dwSize, pOut, uOutSize); return dwSize; } if (pOut) *pOut = 0x00; return 0; } BOOL _ILGetExtension (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize) { char szTemp[MAX_PATH]; const char * pPoint; LPCITEMIDLIST pidlTemp=pidl; TRACE("pidl=%p\n",pidl); if (!pidl) return FALSE; pidlTemp = ILFindLastID(pidl); if (!_ILIsValue(pidlTemp)) return FALSE; if (!_ILSimpleGetText(pidlTemp, szTemp, MAX_PATH)) return FALSE; pPoint = PathFindExtensionA(szTemp); if (!*pPoint) return FALSE; pPoint++; lstrcpynA(pOut, pPoint, uOutSize); TRACE("%s\n",pOut); return TRUE; } /************************************************************************* * _ILGetFileType * * Given the ItemIdList, get the file type description * * PARAMS * pidl [I] The ItemIDList (simple) * pOut [I] The buffer to save the result * uOutsize [I] The size of the buffer * * RETURNS * nothing * * NOTES * This function copies as much as possible into the buffer. */ void _ILGetFileType(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize) { if(_ILIsValue(pidl)) { char sTemp[64]; if(uOutSize > 0) pOut[0] = 0; if (_ILGetExtension (pidl, sTemp, 64)) { if (!( HCR_MapTypeToValueA(sTemp, sTemp, 64, TRUE) && HCR_MapTypeToValueA(sTemp, pOut, uOutSize, FALSE ))) { lstrcpynA (pOut, sTemp, uOutSize - 6); strcat (pOut, "-file"); } } } else lstrcpynA(pOut, "Folder", uOutSize); } /************************************************************************* * _ILGetFileAttributes * * Given the ItemIdList, get the Attrib string format * * PARAMS * pidl [I] The ItemIDList * pOut [I] The buffer to save the result * uOutsize [I] The size of the Buffer * * RETURNS * Attributes * * FIXME * return value 0 in case of error is a valid return value * */ DWORD _ILGetFileAttributes(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize) { LPPIDLDATA pData = _ILGetDataPointer(pidl); WORD wAttrib = 0; int i; if (!pData) return 0; switch(pData->type) { case PT_FOLDER: case PT_VALUE: wAttrib = pData->u.file.uFileAttribs; break; } if(uOutSize >= 6) { i=0; if(wAttrib & FILE_ATTRIBUTE_READONLY) pOut[i++] = 'R'; if(wAttrib & FILE_ATTRIBUTE_HIDDEN) pOut[i++] = 'H'; if(wAttrib & FILE_ATTRIBUTE_SYSTEM) pOut[i++] = 'S'; if(wAttrib & FILE_ATTRIBUTE_ARCHIVE) pOut[i++] = 'A'; if(wAttrib & FILE_ATTRIBUTE_COMPRESSED) pOut[i++] = 'C'; pOut[i] = 0x00; } return wAttrib; } /************************************************************************* * ILFreeaPidl * * free a aPidl struct */ void _ILFreeaPidl(LPITEMIDLIST * apidl, UINT cidl) { UINT i; if (apidl) { for (i = 0; i < cidl; i++) SHFree(apidl[i]); SHFree(apidl); } } /************************************************************************* * ILCopyaPidl * * copies an aPidl struct */ LPITEMIDLIST* _ILCopyaPidl(LPCITEMIDLIST * apidlsrc, UINT cidl) { UINT i; LPITEMIDLIST *apidldest; apidldest = SHAlloc(cidl * sizeof(LPITEMIDLIST)); if (!apidlsrc) return NULL; for (i = 0; i < cidl; i++) apidldest[i] = ILClone(apidlsrc[i]); return apidldest; } /************************************************************************* * _ILCopyCidaToaPidl * * creates aPidl from CIDA */ LPITEMIDLIST* _ILCopyCidaToaPidl(LPITEMIDLIST* pidl, LPIDA cida) { UINT i; LPITEMIDLIST *dst; dst = SHAlloc(cida->cidl * sizeof(LPITEMIDLIST)); if (!dst) return NULL; if (pidl) *pidl = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[0]])); for (i = 0; i < cida->cidl; i++) dst[i] = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[i + 1]])); return dst; }