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wine/dlls/shell32/pidl.c
Martin Fuchs 963dd34ec0 - correct return value of SHGetPathFromIDList[AW]() for virtual 
folders like "My Computer"
- correct path parsing in ISF_Desktop_fnParseDisplayName()
- handle CLSID paths in ISF_MyComputer_fnParseDisplayName()
- return CLSID path in ISF_MyComputer_fnGetDisplayNameOf()
2003-12-30 19:24:22 +00:00

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/*
* 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 <ctype.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "objbase.h"
#include "shlguid.h"
#include "winerror.h"
#include "winnls.h"
#include "winternl.h"
#include "undocshell.h"
#include "shell32_main.h"
#include "shellapi.h"
#include "shlwapi.h"
#include "pidl.h"
#include "debughlp.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", type);
flag = SHGDN_FORPARSING | SHGDN_FORADDRESSBAR;
break;
}
if (!*(LPWORD)pidl || type == ILGDN_FORPARSING)
{
ret = IShellFolder_GetDisplayNameOf(lsf, pidl, flag, &strret);
if (SUCCEEDED(ret))
{
ret = StrRetToStrNW(path, MAX_PATH, &strret, pidl);
}
}
else
{
ret = SHBindToParent(pidl, &IID_IShellFolder, (LPVOID*)&psfParent, &pidllast);
if (SUCCEEDED(ret))
{
ret = IShellFolder_GetDisplayNameOf(psfParent, pidllast, flag, &strret);
if (SUCCEEDED(ret))
{
ret = StrRetToStrNW(path, MAX_PATH, &strret, pidllast);
}
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);
while (pidl->mkid.cb)
{
pidlLast = pidl;
pidl = ILGetNext(pidl);
}
return (LPITEMIDLIST)pidlLast;
}
/*************************************************************************
* ILRemoveLastID [SHELL32.17]
*
* NOTES
* when pidl=Desktop return=FALSE
*/
BOOL WINAPI ILRemoveLastID(LPCITEMIDLIST 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)
{
LPSHELLFOLDER sf;
WCHAR lpszDisplayName[MAX_PATH];
DWORD pchEaten;
HRESULT ret = E_FAIL;
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;
if (SUCCEEDED (SHGetDesktopFolder(&sf)))
{
ret = IShellFolder_ParseDisplayName(sf, 0, NULL, lpszDisplayName, &pchEaten, ppidl, attributes);
IShellFolder_Release(sf);
}
return ret;
}
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 )!=0 )
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 )!=0 )
return FALSE;
pParent = ILGetNext(pParent);
pChild = ILGetNext(pChild);
}
if ( pParent->mkid.cb || ! pChild->mkid.cb) /* child shorter or has equal length to parent */
return FALSE;
if ( ILGetNext(pChild)->mkid.cb && bImmediate) /* not immediate descent */
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)
{
FIXME("sf=%p pidlSimple=%p pidlReal=%p\n", lpsf, pidlSimple, pidlReal);
pdump (pidlSimple);
return 0;
}
/*************************************************************************
* 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
*/
DWORD WINAPI ILGetSize(LPCITEMIDLIST pidl)
{
LPCSHITEMID si = &(pidl->mkid);
DWORD len=0;
if (pidl)
{ while (si->cb)
{ len += si->cb;
si = (LPSHITEMID)(((LPBYTE)si)+si->cb);
}
len += 2;
}
TRACE("pidl=%p size=%lu\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 = (LPITEMIDLIST) (((LPBYTE)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]
*
* NOTES
* exported by ordinal
*/
DWORD WINAPI ILFree(LPITEMIDLIST pidl)
{
TRACE("(pidl=0x%08lx)\n",(DWORD)pidl);
if(!pidl) return FALSE;
SHFree(pidl);
return TRUE;
}
/*************************************************************************
* ILGlobalFree [SHELL32.156]
*
* Frees memory (if not NULL) allocated by Alloc allocator
*
* PARAMS
* pidl [I]
*
* NOTES
* exported by ordinal.
*/
void WINAPI ILGlobalFree( LPITEMIDLIST pidl)
{
TRACE("%p\n", pidl);
if(!pidl) return;
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]
*/
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 non-existent 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 non-existent 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;
UNICODE_STRING wPath;
TRACE("%s\n", debugstr_a(lpszPath));
RtlCreateUnicodeStringFromAsciiz(&wPath, lpszPath);
_ILParsePathW(wPath.Buffer, NULL, TRUE, &pidl, NULL);
RtlFreeUnicodeString(&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);
}
/*************************************************************************
* SHGetSpecialFolderLocation [SHELL32.@]
*
* gets the folder locations from the registry and creates a pidl
* creates missing reg keys and directories
*
* PARAMS
* hwndOwner [I]
* nFolder [I] CSIDL_xxxxx
* ppidl [O] PIDL of a special folder
*
* NOTES
* In NT5, SHGetSpecialFolderLocation needs the <winntdir>/Recent
* directory. If the directory is missing it returns a x80070002.
*/
HRESULT WINAPI SHGetSpecialFolderLocation(
HWND hwndOwner,
INT nFolder,
LPITEMIDLIST * ppidl)
{
CHAR szPath[MAX_PATH];
HRESULT hr = E_INVALIDARG;
TRACE_(shell)("(%p,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
if (ppidl)
{
*ppidl = NULL;
switch (nFolder)
{
case CSIDL_DESKTOP:
*ppidl = _ILCreateDesktop();
break;
case CSIDL_DRIVES:
*ppidl = _ILCreateMyComputer();
break;
case CSIDL_NETWORK:
*ppidl = _ILCreateNetwork ();
break;
case CSIDL_CONTROLS:
*ppidl = _ILCreateControl ();
break;
case CSIDL_PRINTERS:
*ppidl = _ILCreatePrinter ();
break;
case CSIDL_BITBUCKET:
*ppidl = _ILCreateBitBucket ();
break;
default:
if (SHGetSpecialFolderPathA(hwndOwner, szPath, nFolder, TRUE))
{
DWORD attributes=0;
TRACE_(shell)("Value=%s\n",szPath);
hr = SHILCreateFromPathA(szPath, ppidl, &attributes);
}
}
if(*ppidl) hr = NOERROR;
}
TRACE_(shell)("-- (new pidl %p)\n",*ppidl);
return hr;
}
/*************************************************************************
* SHGetFolderLocation [SHELL32.@]
*
* NOTES
* the pidl can be a simple one. since we cant get the path out of the pidl
* we have to take all data from the pidl
*/
HRESULT WINAPI SHGetFolderLocation(
HWND hwnd,
int csidl,
HANDLE hToken,
DWORD dwFlags,
LPITEMIDLIST *ppidl)
{
FIXME("%p 0x%08x %p 0x%08lx %p\n",
hwnd, csidl, hToken, dwFlags, ppidl);
return SHGetSpecialFolderLocation(hwnd, csidl, ppidl);
}
/*************************************************************************
* SHGetDataFromIDListA [SHELL32.247]
*
* NOTES
* the pidl can be a simple one. since we cant 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)
{
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:
{
WIN32_FIND_DATAA * pfd = dest;
if (len < (int)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);
lstrcpynA(pfd->cFileName,_ILGetTextPointer(pidl), MAX_PATH);
lstrcpynA(pfd->cAlternateFileName,_ILGetSTextPointer(pidl), 14);
}
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)
{
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:
{
WIN32_FIND_DATAW * pfd = dest;
if (len < (int)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);
if (!MultiByteToWideChar( CP_ACP, 0, _ILGetTextPointer(pidl), -1,
pfd->cFileName, MAX_PATH ))
pfd->cFileName[MAX_PATH-1] = 0;
if (!MultiByteToWideChar( CP_ACP, 0, _ILGetSTextPointer(pidl), -1,
pfd->cAlternateFileName, 14 ))
pfd->cFileName[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)
{
HRESULT hr;
STRRET str;
LPSHELLFOLDER shellfolder;
TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
pdump(pidl);
if (!pidl)
return FALSE;
hr = SHGetDesktopFolder(&shellfolder);
if (SUCCEEDED (hr)) {
hr = IShellFolder_GetDisplayNameOf(shellfolder, pidl, SHGDN_FORPARSING, &str);
if(SUCCEEDED(hr)) {
StrRetToStrNA (pszPath, MAX_PATH, &str, pidl);
}
IShellFolder_Release(shellfolder);
}
/* don't allow to return displaynames of the form "::{guid}" */
if (pszPath[0]==':' && pszPath[1]==':') {
*pszPath = '\0';
return FALSE;
}
TRACE_(shell)("-- %s, 0x%08lx\n",pszPath, hr);
return SUCCEEDED(hr);
}
/*************************************************************************
* SHGetPathFromIDListW [SHELL32.@]
*/
BOOL WINAPI SHGetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath)
{
HRESULT hr;
STRRET str;
LPSHELLFOLDER shellfolder;
TRACE_(shell)("(pidl=%p,%p)\n", pidl, debugstr_w(pszPath));
pdump(pidl);
if (!pidl) return FALSE;
hr = SHGetDesktopFolder(&shellfolder);
if (SUCCEEDED(hr)) {
hr = IShellFolder_GetDisplayNameOf(shellfolder, pidl, SHGDN_FORPARSING, &str);
if (SUCCEEDED(hr)) {
StrRetToStrNW(pszPath, MAX_PATH, &str, pidl);
}
IShellFolder_Release(shellfolder);
}
/* don't allow to return displaynames of the form "::{guid}" */
if (pszPath[0]==':' && pszPath[1]==':') {
*pszPath = '\0';
return FALSE;
}
TRACE_(shell)("-- %s, 0x%08lx\n",debugstr_w(pszPath), hr);
return SUCCEEDED(hr);
}
/*************************************************************************
* SHGetPathFromIDList [SHELL32.@][NT 4.0: SHELL32.219]
*/
BOOL WINAPI SHGetPathFromIDListAW(LPCITEMIDLIST pidl,LPVOID pszPath)
{
TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
if (SHELL_OsIsUnicode())
return SHGetPathFromIDListW(pidl,pszPath);
return SHGetPathFromIDListA(pidl,pszPath);
}
/*************************************************************************
* SHBindToParent [shell version 5.0]
*/
HRESULT WINAPI SHBindToParent(LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppv, LPCITEMIDLIST *ppidlLast)
{
IShellFolder * psf;
LPITEMIDLIST pidlChild, pidlParent;
HRESULT hr=E_FAIL;
TRACE_(shell)("pidl=%p\n", pidl);
pdump(pidl);
*ppv = NULL;
if (ppidlLast) *ppidlLast = NULL;
if (_ILIsPidlSimple(pidl))
{
/* we are on desktop level */
if (ppidlLast)
*ppidlLast = ILClone(pidl);
hr = SHGetDesktopFolder((IShellFolder**)ppv);
}
else
{
pidlChild = ILClone(ILFindLastID(pidl));
pidlParent = ILClone(pidl);
ILRemoveLastID(pidlParent);
hr = SHGetDesktopFolder(&psf);
if (SUCCEEDED(hr))
hr = IShellFolder_BindToObject(psf, pidlParent, NULL, riid, ppv);
if (SUCCEEDED(hr) && ppidlLast)
*ppidlLast = pidlChild;
else
ILFree (pidlChild);
SHFree (pidlParent);
if (psf) IShellFolder_Release(psf);
}
TRACE_(shell)("-- psf=%p pidl=%p ret=0x%08lx\n", *ppv, (ppidlLast)?*ppidlLast:NULL, hr);
return hr;
}
/**************************************************************************
*
* internal functions
*
* ### 1. section creating pidls ###
*
*************************************************************************
* _ILCreateDesktop()
* _ILCreateIExplore()
* _ILCreateMyComputer()
* _ILCreateDrive()
* _ILCreateFolder()
* _ILCreateValue()
*/
LPITEMIDLIST _ILCreateDesktop()
{ TRACE("()\n");
return _ILCreate(PT_DESKTOP, NULL, 0);
}
LPITEMIDLIST _ILCreateMyComputer()
{ TRACE("()\n");
return _ILCreate(PT_MYCOMP, &CLSID_MyComputer, sizeof(GUID));
}
LPITEMIDLIST _ILCreateIExplore()
{ TRACE("()\n");
return _ILCreate(PT_MYCOMP, &CLSID_Internet, sizeof(GUID));
}
LPITEMIDLIST _ILCreateControl()
{ TRACE("()\n");
return _ILCreate(PT_SPECIAL, &CLSID_ControlPanel, sizeof(GUID));
}
LPITEMIDLIST _ILCreatePrinter()
{ TRACE("()\n");
return _ILCreate(PT_SPECIAL, &CLSID_Printers, sizeof(GUID));
}
LPITEMIDLIST _ILCreateNetwork()
{ TRACE("()\n");
return _ILCreate(PT_MYCOMP, &CLSID_NetworkPlaces, sizeof(GUID));
}
LPITEMIDLIST _ILCreateBitBucket()
{ TRACE("()\n");
return _ILCreate(PT_MYCOMP, &CLSID_RecycleBin, sizeof(GUID));
}
LPITEMIDLIST _ILCreateDrive( LPCSTR lpszNew)
{ char sTemp[4];
lstrcpynA (sTemp,lpszNew,4);
sTemp[2]='\\';
sTemp[3]=0x00;
TRACE("(%s)\n",sTemp);
return _ILCreate(PT_DRIVE,(LPVOID)&sTemp[0],4);
}
LPITEMIDLIST _ILCreateFolder( WIN32_FIND_DATAA * stffile )
{
char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
char * pbuff = buff;
ULONG len, len1;
LPITEMIDLIST pidl;
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;
if (stffile->cAlternateFileName)
{
len1 = strlen (stffile->cAlternateFileName)+1;
memcpy (pbuff, stffile->cAlternateFileName, len1);
}
else
{
len1 = 1;
*pbuff = 0x00;
}
pidl = _ILCreate(PT_FOLDER, (LPVOID)buff, len + len1);
/* set attributes */
if (pidl)
{
LPPIDLDATA pData;
pData = _ILGetDataPointer(pidl);
FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
pData->u.folder.dwFileSize = stffile->nFileSizeLow;
pData->u.folder.uFileAttribs = stffile->dwFileAttributes;
}
return pidl;
}
LPITEMIDLIST _ILCreateValue(WIN32_FIND_DATAA * stffile)
{
char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
char * pbuff = buff;
ULONG len, len1;
LPITEMIDLIST pidl;
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;
if (stffile->cAlternateFileName)
{
len1 = strlen (stffile->cAlternateFileName)+1;
memcpy (pbuff, stffile->cAlternateFileName, len1);
}
else
{
len1 = 1;
*pbuff = 0x00;
}
pidl = _ILCreate(PT_VALUE, (LPVOID)buff, len + len1);
/* set attributes */
if (pidl)
{
LPPIDLDATA pData;
pData = _ILGetDataPointer(pidl);
FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
pData->u.folder.dwFileSize = stffile->nFileSizeLow;
pData->u.folder.uFileAttribs=stffile->dwFileAttributes;
}
return pidl;
}
LPITEMIDLIST _ILCreateFromPathA(LPCSTR szPath)
{
HANDLE hFile;
WIN32_FIND_DATAA stffile;
LPITEMIDLIST pidl = NULL;
hFile = FindFirstFileA(szPath, &stffile);
if (hFile != INVALID_HANDLE_VALUE)
{
if (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
pidl = _ILCreateFolder(&stffile);
else
pidl = _ILCreateValue(&stffile);
FindClose(hFile);
}
return pidl;
}
LPITEMIDLIST _ILCreateSpecial(LPCSTR szGUID)
{
IID iid;
if (!SUCCEEDED(SHCLSIDFromStringA(szGUID, &iid)))
{
ERR("%s is not a GUID\n", szGUID);
return NULL;
}
return _ILCreate(PT_MYCOMP, &iid, sizeof(IID));
}
/**************************************************************************
* _ILCreate()
* Creates a new PIDL
* type = PT_DESKTOP | PT_DRIVE | PT_FOLDER | PT_VALUE
* pIn = data
* uInSize = size of data (raw)
*/
LPITEMIDLIST _ILCreate(PIDLTYPE type, LPCVOID pIn, UINT uInSize)
{
LPITEMIDLIST pidlOut = NULL, pidlTemp = NULL;
LPPIDLDATA pData;
UINT uSize = 0;
LPSTR pszDest;
TRACE("(0x%02x %p %i)\n",type,pIn,uInSize);
switch (type)
{
case PT_DESKTOP:
uSize = 0;
break;
case PT_SPECIAL:
case PT_MYCOMP:
uSize = 2 + 2 + sizeof(GUID);
break;
case PT_DRIVE:
uSize = 2 + 23;
break;
case PT_FOLDER:
case PT_VALUE:
uSize = 2 + 12 + uInSize;
break;
default:
FIXME("can't create type: 0x%08x\n",type);
return NULL;
}
if(!(pidlOut = SHAlloc(uSize + 2))) return NULL;
ZeroMemory(pidlOut, uSize + 2);
pidlOut->mkid.cb = uSize;
switch (type)
{
case PT_DESKTOP:
TRACE("- create Desktop\n");
break;
case PT_SPECIAL:
case PT_MYCOMP:
pData = _ILGetDataPointer(pidlOut);
pData->type = type;
memcpy(&(pData->u.mycomp.guid), pIn, uInSize);
TRACE("-- create GUID-pidl %s\n", debugstr_guid(&(pData->u.mycomp.guid)));
break;
case PT_DRIVE:
pData = _ILGetDataPointer(pidlOut);
pData->type = type;
pszDest = _ILGetTextPointer(pidlOut);
memcpy(pszDest, pIn, uInSize);
TRACE("-- create Drive: %s\n",debugstr_a(pszDest));
break;
case PT_FOLDER:
case PT_VALUE:
pData = _ILGetDataPointer(pidlOut);
pData->type = type;
pszDest = _ILGetTextPointer(pidlOut);
memcpy(pszDest, pIn, uInSize);
TRACE("-- create Value: %s\n",debugstr_a(pszDest));
break;
}
pidlTemp = ILGetNext(pidlOut);
if (pidlTemp)
pidlTemp->mkid.cb = 0x00;
TRACE("-- (pidl=%p, size=%u)\n", pidlOut, uSize);
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_MYCOMP== lpPData->type || PT_SPECIAL== 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);
}
/**************************************************************************
* _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) (((LPBYTE)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];
TRACE("(%p %p %x)\n",pidl,szOut,uOutSize);
dwReturn = _ILSimpleGetText(pidl, szTemp, uOutSize);
if (!MultiByteToWideChar(CP_ACP, 0, szTemp, -1, szOut, MAX_PATH))
*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)
{
switch (pdata->type)
{
case PT_MYCOMP:
case PT_SPECIAL:
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)
{
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
*/
REFIID _ILGetGUIDPointer(LPCITEMIDLIST pidl)
{
LPPIDLDATA pdata =_ILGetDataPointer(pidl);
TRACE("%p\n", pidl);
if (pdata)
{
TRACE("pdata->type 0x%04x\n", pdata->type);
switch (pdata->type)
{
case PT_SPECIAL:
case PT_MYCOMP:
return (REFIID) &(pdata->u.mycomp.guid);
default:
TRACE("Unknown pidl type 0x%04x\n", pdata->type);
break;
}
}
return NULL;
}
/*************************************************************************
* _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:
DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, pFt);
break;
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);
} 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:
wAttrib = pData->u.folder.uFileAttribs;
break;
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 = (LPITEMIDLIST*)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 = (LPITEMIDLIST*)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;
}
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