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Sweden-Number/dlls/shell32/pidl.c

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/*
* pidl Handling
*
* Copyright 1998 Juergen Schmied
*
* NOTES
* a pidl == NULL means desktop and is legal
*
*/
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "debugtools.h"
#include "shell.h"
#include "shlguid.h"
#include "winerror.h"
#include "winnls.h"
#include "winversion.h"
#include "shell32_main.h"
#include "pidl.h"
#include "wine/undocshell.h"
DECLARE_DEBUG_CHANNEL(pidl)
DECLARE_DEBUG_CHANNEL(shell)
void pdump (LPCITEMIDLIST pidl)
{ DWORD type;
char * szData;
char * szShortName;
char szName[MAX_PATH];
BOOL bIsShellDebug;
LPITEMIDLIST pidltemp = pidl;
if (!TRACE_ON(pidl))
return;
/* silence the sub-functions */
bIsShellDebug = TRACE_ON(shell);
__SET_DEBUGGING(__DBCL_TRACE, dbch_shell, FALSE);
__SET_DEBUGGING(__DBCL_TRACE, dbch_pidl, FALSE);
if (! pidltemp)
{
MESSAGE ("-------- pidl=NULL (Desktop)\n");
}
else
{
MESSAGE ("-------- pidl=%p\n", pidl);
if (pidltemp->mkid.cb)
{
do
{
type = _ILGetDataPointer(pidltemp)->type;
szData = _ILGetTextPointer(type, _ILGetDataPointer(pidltemp));
szShortName = _ILGetSTextPointer(type, _ILGetDataPointer(pidltemp));
_ILSimpleGetText(pidltemp, szName, MAX_PATH);
MESSAGE ("-- pidl=%p size=%u type=%lx name=%s (%s,%s)\n",
pidltemp, pidltemp->mkid.cb,type,szName,debugstr_a(szData), debugstr_a(szShortName));
pidltemp = ILGetNext(pidltemp);
} while (pidltemp->mkid.cb);
}
else
{
MESSAGE ("empty pidl (Desktop)\n");
}
}
__SET_DEBUGGING(__DBCL_TRACE, dbch_shell, bIsShellDebug);
__SET_DEBUGGING(__DBCL_TRACE, dbch_pidl, TRUE);
}
#define BYTES_PRINTED 32
BOOL pcheck (LPCITEMIDLIST pidl)
{ DWORD type, ret=TRUE;
BOOL bIsPidlDebug;
LPITEMIDLIST pidltemp = pidl;
bIsPidlDebug = TRACE_ON(shell);
__SET_DEBUGGING(__DBCL_TRACE, dbch_pidl, FALSE);
if (pidltemp && pidltemp->mkid.cb)
{ do
{ type = _ILGetDataPointer(pidltemp)->type;
switch (type)
{ case PT_DESKTOP:
case PT_MYCOMP:
case PT_SPECIAL:
case PT_DRIVE:
case PT_DRIVE1:
case PT_DRIVE2:
case PT_DRIVE3:
case PT_FOLDER:
case PT_VALUE:
case PT_FOLDER1:
case PT_WORKGRP:
case PT_COMP:
case PT_NETWORK:
case PT_SHARE:
case PT_IESPECIAL:
break;
default:
{
char szTemp[BYTES_PRINTED*4 + 1];
int i;
unsigned char c;
memset(szTemp, ' ', BYTES_PRINTED*4 + 1);
for ( i = 0; (i<pidltemp->mkid.cb) && (i<BYTES_PRINTED); i++)
{
c = ((unsigned char *)pidltemp)[i];
szTemp[i*3+0] = ((c>>4)>9)? (c>>4)+55 : (c>>4)+48;
szTemp[i*3+1] = ((0x0F&c)>9)? (0x0F&c)+55 : (0x0F&c)+48;
szTemp[i*3+2] = ' ';
szTemp[i+BYTES_PRINTED*3] = (c>=0x20 && c <=0x80) ? c : '.';
}
szTemp[BYTES_PRINTED*4] = 0x00;
ERR_(pidl)("unknown IDLIST type size=%u type=%lx\n%s\n",pidltemp->mkid.cb,type, szTemp);
ret = FALSE;
}
}
pidltemp = ILGetNext(pidltemp);
} while (pidltemp->mkid.cb);
}
__SET_DEBUGGING(__DBCL_TRACE, dbch_pidl, bIsPidlDebug);
return ret;
}
/*************************************************************************
* ILGetDisplayName [SHELL32.15]
*/
BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl,LPSTR path)
{
TRACE_(shell)("pidl=%p %p semi-stub\n",pidl,path);
return SHGetPathFromIDListA(pidl, path);
}
/*************************************************************************
* ILFindLastID [SHELL32.16]
*
* NOTES
* observed: pidl=Desktop return=pidl
*/
LPITEMIDLIST WINAPI ILFindLastID(LPITEMIDLIST pidl)
{ LPITEMIDLIST pidlLast = pidl;
TRACE_(pidl)("(pidl=%p)\n",pidl);
while (pidl->mkid.cb)
{
pidlLast = pidl;
pidl = ILGetNext(pidl);
}
return 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
* dupicate 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)("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)("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_(pidl)("-- newpidl=%p\n",pidlNew);
return pidlNew;
}
/*************************************************************************
* ILLoadFromStream
*
* 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)))
{ *ppPidl = SHAlloc (wLen);
if (SUCCEEDED(IStream_Read(pStream, *ppPidl , wLen, &dwBytesRead)))
{ ret = S_OK;
}
else
{ SHFree(*ppPidl);
*ppPidl = NULL;
}
}
/* we are not jet fully compatible */
if (!pcheck(*ppPidl))
{ SHFree(*ppPidl);
*ppPidl = NULL;
}
IStream_Release (pStream);
return ret;
}
/*************************************************************************
* SHILCreateFromPath [SHELL32.28]
*
* NOTES
* wraper 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);
LocalToWideChar(lpszDisplayName, path, MAX_PATH);
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, path, &pchEaten, ppidl, attributes);
IShellFolder_Release(sf);
}
return ret;
}
HRESULT WINAPI SHILCreateFromPathAW (LPCVOID path, LPITEMIDLIST * ppidl, DWORD * attributes)
{
if ( VERSION_OsIsUnicode())
return SHILCreateFromPathW (path, ppidl, attributes);
return SHILCreateFromPathA (path, ppidl, attributes);
}
/*************************************************************************
* SHCloneSpecialIDList [SHELL32.89]
*
* PARAMETERS
* hwndOwner [in]
* nFolder [in] CSIDL_xxxxx ??
*
* RETURNS
* pidl ??
* NOTES
* exported by ordinal
*/
LPITEMIDLIST WINAPI SHCloneSpecialIDList(HWND hwndOwner,DWORD nFolder,DWORD x3)
{ LPITEMIDLIST ppidl;
WARN_(shell)("(hwnd=0x%x,csidl=0x%lx,0x%lx):semi-stub.\n",
hwndOwner,nFolder,x3);
SHGetSpecialFolderLocation(hwndOwner, nFolder, &ppidl);
return ppidl;
}
/*************************************************************************
* ILGlobalClone [SHELL32.97]
*
*/
LPITEMIDLIST WINAPI ILGlobalClone(LPCITEMIDLIST pidl)
{ DWORD len;
LPITEMIDLIST newpidl;
if (!pidl)
return NULL;
len = ILGetSize(pidl);
newpidl = (LPITEMIDLIST)pCOMCTL32_Alloc(len);
if (newpidl)
memcpy(newpidl,pidl,len);
TRACE_(pidl)("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];
LPITEMIDLIST pidltemp1 = pidl1;
LPITEMIDLIST pidltemp2 = pidl2;
TRACE_(pidl)("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]
*
* 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];
LPITEMIDLIST pParent = pidlParent;
LPITEMIDLIST pChild = pidlChild;
TRACE_(pidl)("%p %p %x\n", pidlParent, pidlChild, bImmediate);
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]
*
* NOTES
* Compares elements from pidl1 and pidl2.
*
* 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
*/
LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
{
char szData1[MAX_PATH];
char szData2[MAX_PATH];
LPITEMIDLIST pidltemp1 = pidl1;
LPITEMIDLIST pidltemp2 = pidl2;
LPITEMIDLIST ret=NULL;
TRACE_(pidl)("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 ret; /* pidl 1 is shorter */
}
/*************************************************************************
* ILCombine [SHELL32.25]
*
* NOTES
* Concatenates two complex idlists.
* The pidl is the first one, pidlsub the next one
* Does not destroy the passed in idlists!
*/
LPITEMIDLIST WINAPI ILCombine(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
{
DWORD len1,len2;
LPITEMIDLIST pidlNew;
TRACE_(pidl)("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
*/
LPITEMIDLIST WINAPI SHGetRealIDL(LPSHELLFOLDER lpsf, LPITEMIDLIST pidl, DWORD z)
{
FIXME_(pidl)("sf=%p pidl=%p 0x%04lx\n",lpsf,pidl,z);
pdump (pidl);
return 0;
}
/*************************************************************************
* SHLogILFromFSIL [SHELL32.95]
*
* NOTES
* pild = CSIDL_DESKTOP ret = 0
* pild = CSIDL_DRIVES ret = 0
*/
LPITEMIDLIST WINAPI SHLogILFromFSIL(LPITEMIDLIST pidl)
{
FIXME_(pidl)("(pidl=%p)\n",pidl);
pdump(pidl);
return 0;
}
/*************************************************************************
* ILGetSize [SHELL32.152]
* gets the byte size of an idlist including zero terminator (pidl)
*
* PARAMETERS
* pidl ITEMIDLIST
*
* RETURNS
* size of pidl
*
* NOTES
* exported by ordinal
*/
DWORD WINAPI ILGetSize(LPITEMIDLIST pidl)
{
LPSHITEMID si = &(pidl->mkid);
DWORD len=0;
if (pidl)
{ while (si->cb)
{ len += si->cb;
si = (LPSHITEMID)(((LPBYTE)si)+si->cb);
}
len += 2;
}
TRACE_(pidl)("pidl=%p size=%lu\n",pidl, len);
return len;
}
/*************************************************************************
* ILGetNext [SHELL32.153]
* gets the next simple pidl of a complex pidl
*
* observed return values:
* null -> null
* desktop -> null
* simple pidl -> pointer to 0x0000 element
*
*/
LPITEMIDLIST WINAPI ILGetNext(LPITEMIDLIST pidl)
{
WORD len;
TRACE_(pidl)("(pidl=%p)\n",pidl);
if(pidl)
{
len = pidl->mkid.cb;
if (len)
{
pidl = (LPITEMIDLIST) (((LPBYTE)pidl)+len);
return pidl;
}
}
return NULL;
}
/*************************************************************************
* ILAppend [SHELL32.154]
*
* NOTES
* Adds the single item to the idlist indicated by pidl.
* if bEnd is 0, adds the item to the front of the list,
* otherwise adds the item to the end. (???)
* Destroys the passed in idlist! (???)
*/
LPITEMIDLIST WINAPI ILAppend(LPITEMIDLIST pidl,LPCITEMIDLIST item,BOOL bEnd)
{
LPITEMIDLIST idlRet;
WARN_(pidl)("(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]
*
* NOTES
* free_check_ptr - frees memory (if not NULL)
* allocated by SHMalloc allocator
* exported by ordinal
*/
DWORD WINAPI ILFree(LPITEMIDLIST pidl)
{ TRACE_(pidl)("(pidl=0x%08lx)\n",(DWORD)pidl);
if (!pidl)
return FALSE;
return SHFree(pidl);
}
/*************************************************************************
* ILGlobalFree [SHELL32.156]
*
*/
DWORD WINAPI ILGlobalFree( LPITEMIDLIST pidl)
{
TRACE_(pidl)("%p\n",pidl);
if (!pidl)
return FALSE;
return pCOMCTL32_Free (pidl);
}
/*************************************************************************
* ILCreateFromPath [SHELL32.157]
*
*/
LPITEMIDLIST WINAPI ILCreateFromPathA (LPCSTR path)
{
LPITEMIDLIST pidlnew;
DWORD attributes = 0;
TRACE_(shell)("%s\n",path);
if (SUCCEEDED (SHILCreateFromPathA (path, &pidlnew, &attributes)))
return pidlnew;
return FALSE;
}
LPITEMIDLIST WINAPI ILCreateFromPathW (LPCWSTR path)
{
LPITEMIDLIST pidlnew;
DWORD attributes = 0;
TRACE_(shell)("%s\n",debugstr_w(path));
if (SUCCEEDED (SHILCreateFromPathW (path, &pidlnew, &attributes)))
return pidlnew;
return FALSE;
}
LPITEMIDLIST WINAPI ILCreateFromPathAW (LPCVOID path)
{
if ( VERSION_OsIsUnicode())
return ILCreateFromPathW (path);
return ILCreateFromPathA (path);
}
/*************************************************************************
* SHSimpleIDListFromPath [SHELL32.162]
*/
LPITEMIDLIST WINAPI SHSimpleIDListFromPathA (LPSTR lpszPath)
{
LPITEMIDLIST pidl=NULL;
HANDLE hFile;
WIN32_FIND_DATAA stffile;
TRACE_(pidl)("path=%s\n", lpszPath);
if (!lpszPath) return NULL;
hFile = FindFirstFileA(lpszPath, &stffile);
if ( hFile != INVALID_HANDLE_VALUE )
{
if (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
pidl = _ILCreateFolder (&stffile);
}
else
{
pidl = _ILCreateValue (&stffile);
}
FindClose (hFile);
}
return pidl;
}
LPITEMIDLIST WINAPI SHSimpleIDListFromPathW (LPWSTR lpszPath)
{
char lpszTemp[MAX_PATH];
TRACE_(pidl)("path=L%s\n",debugstr_w(lpszPath));
WideCharToLocal(lpszTemp, lpszPath, MAX_PATH);
return SHSimpleIDListFromPathA (lpszTemp);
}
LPITEMIDLIST WINAPI SHSimpleIDListFromPathAW (LPVOID lpszPath)
{
if ( VERSION_OsIsUnicode())
return SHSimpleIDListFromPathW (lpszPath);
return SHSimpleIDListFromPathA (lpszPath);
}
/*************************************************************************
* SHGetSpecialFolderLocation [SHELL32.223]
*
* gets the folder locations from the registry and creates a pidl
* creates missing reg keys and directorys
*
* PARAMS
* hwndOwner [I]
* nFolder [I] CSIDL_xxxxx
* ppidl [O] PIDL of a special folder
*
*/
HRESULT WINAPI SHGetSpecialFolderLocation(
HWND hwndOwner,
INT nFolder,
LPITEMIDLIST * ppidl)
{
CHAR szPath[256];
HRESULT hr = E_INVALIDARG;
TRACE_(shell)("(%04x,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
*ppidl = NULL;
if (ppidl)
{
switch (nFolder)
{
case CSIDL_DESKTOP:
*ppidl = _ILCreateDesktop();
hr = NOERROR;
break;
case CSIDL_DRIVES:
*ppidl = _ILCreateMyComputer();
hr = NOERROR;
break;
default:
if (SHGetSpecialFolderPathA(hwndOwner, szPath, nFolder, TRUE))
{
DWORD attributes=0;
TRACE_(shell)("Value=%s\n",szPath);
hr = SHILCreateFromPathA(szPath, ppidl, &attributes);
}
}
}
TRACE_(shell)("-- (new pidl %p)\n",*ppidl);
return hr;
}
/*************************************************************************
* SHGetDataFromIDListA [SHELL32.247]
*
*/
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);
if (! psf || !dest ) return E_INVALIDARG;
switch (nFormat)
{
case SHGDFIL_FINDDATA:
{
WIN32_FIND_DATAA * pfd = dest;
CHAR pszPath[MAX_PATH];
HANDLE handle;
if ( len < sizeof (WIN32_FIND_DATAA))
return E_INVALIDARG;
SHGetPathFromIDListA(pidl, pszPath);
if ((handle = FindFirstFileA ( pszPath, pfd)))
FindClose (handle);
}
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 [SHELL32.247]
*
*/
HRESULT WINAPI SHGetDataFromIDListW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
{
FIXME_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
return SHGetDataFromIDListA( psf, pidl, nFormat, dest, len);
}
/*************************************************************************
* SHGetPathFromIDListA [SHELL32.261][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 desktopdirectory back
* special pidls returning FALSE
*
* FIXME
* fnGetDisplayNameOf can return different types of OLEString
*/
BOOL WINAPI SHGetPathFromIDListA (LPCITEMIDLIST pidl,LPSTR pszPath)
{ STRRET str;
LPSHELLFOLDER shellfolder;
TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
if (!pidl) return FALSE;
pdump(pidl);
if(_ILIsDesktop(pidl))
{
SHGetSpecialFolderPathA(0, pszPath, CSIDL_DESKTOPDIRECTORY, FALSE);
}
else
{
if (SHGetDesktopFolder(&shellfolder)==S_OK)
{
IShellFolder_GetDisplayNameOf(shellfolder,pidl,SHGDN_FORPARSING,&str);
StrRetToStrNA (pszPath, MAX_PATH, &str, pidl);
IShellFolder_Release(shellfolder);
}
}
TRACE_(shell)("-- (%s)\n",pszPath);
return TRUE;
}
/*************************************************************************
* SHGetPathFromIDListW [SHELL32.262]
*/
BOOL WINAPI SHGetPathFromIDListW (LPCITEMIDLIST pidl,LPWSTR pszPath)
{ char sTemp[MAX_PATH];
TRACE_(shell)("(pidl=%p)\n", pidl);
SHGetPathFromIDListA (pidl, sTemp);
lstrcpyAtoW(pszPath, sTemp);
TRACE_(shell)("-- (%s)\n",debugstr_w(pszPath));
return TRUE;
}
/*************************************************************************
* 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);
}
TRACE_(shell)("-- psf=%p pidl=%p ret=0x%08lx\n", *ppv, (ppidlLast)?*ppidlLast:NULL, hr);
return hr;
}
/*************************************************************************
* SHGetPathFromIDListAW [SHELL32.221][NT 4.0: SHELL32.219]
*/
BOOL WINAPI SHGetPathFromIDListAW(LPCITEMIDLIST pidl,LPVOID pszPath)
{
TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
if (VERSION_OsIsUnicode())
return SHGetPathFromIDListW(pidl,pszPath);
return SHGetPathFromIDListA(pidl,pszPath);
}
/**************************************************************************
*
* internal functions
*
* ### 1. section creating pidls ###
*
*************************************************************************
* _ILCreateDesktop()
* _ILCreateIExplore()
* _ILCreateMyComputer()
* _ILCreateDrive()
* _ILCreateFolder()
* _ILCreateValue()
*/
LPITEMIDLIST WINAPI _ILCreateDesktop()
{ TRACE_(pidl)("()\n");
return _ILCreate(PT_DESKTOP, NULL, 0);
}
LPITEMIDLIST WINAPI _ILCreateMyComputer()
{ TRACE_(pidl)("()\n");
return _ILCreate(PT_MYCOMP, &IID_MyComputer, sizeof(GUID));
}
LPITEMIDLIST WINAPI _ILCreateIExplore()
{ TRACE_(pidl)("()\n");
return _ILCreate(PT_MYCOMP, &IID_IExplore, sizeof(GUID));
}
LPITEMIDLIST WINAPI _ILCreateDrive( LPCSTR lpszNew)
{ char sTemp[4];
lstrcpynA (sTemp,lpszNew,4);
sTemp[2]='\\';
sTemp[3]=0x00;
TRACE_(pidl)("(%s)\n",sTemp);
return _ILCreate(PT_DRIVE,(LPVOID)&sTemp[0],4);
}
LPITEMIDLIST WINAPI _ILCreateFolder( WIN32_FIND_DATAA * stffile )
{
char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
char * pbuff = buff;
ULONG len, len1;
LPITEMIDLIST pidl;
TRACE_(pidl)("(%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 WINAPI _ILCreateValue(WIN32_FIND_DATAA * stffile)
{
char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
char * pbuff = buff;
ULONG len, len1;
LPITEMIDLIST pidl;
TRACE_(pidl)("(%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 WINAPI _ILCreateSpecial(LPCSTR szGUID)
{
IID iid;
CLSIDFromString16(szGUID,&iid);
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 WINAPI _ILCreate(PIDLTYPE type, LPCVOID pIn, UINT16 uInSize)
{ LPITEMIDLIST pidlOut = NULL, pidlTemp = NULL;
LPPIDLDATA pData;
UINT16 uSize = 0;
LPSTR pszDest;
TRACE_(pidl)("(0x%02x %p %i)\n",type,pIn,uInSize);
switch (type)
{ case PT_DESKTOP:
uSize = 0;
pidlOut = SHAlloc(uSize + 2);
pidlOut->mkid.cb = uSize;
TRACE_(pidl)("- create Desktop\n");
break;
case PT_MYCOMP:
uSize = 2 + 2 + sizeof(GUID);
pidlOut = SHAlloc(uSize + 2);
ZeroMemory(pidlOut, uSize + 2);
pidlOut->mkid.cb = uSize;
pData =_ILGetDataPointer(pidlOut);
pData->type = type;
memcpy(&(pData->u.mycomp.guid), pIn, uInSize);
TRACE_(pidl)("- create GUID-pidl\n");
break;
case PT_DRIVE:
uSize = 2 + 23;
pidlOut = SHAlloc(uSize + 2);
ZeroMemory(pidlOut, uSize + 2);
pidlOut->mkid.cb = uSize;
pData =_ILGetDataPointer(pidlOut);
pData->type = type;
pszDest = _ILGetTextPointer(type, pData);
memcpy(pszDest, pIn, uInSize);
TRACE_(pidl)("- create Drive: %s\n",debugstr_a(pszDest));
break;
case PT_FOLDER:
case PT_VALUE:
uSize = 2 + 12 + uInSize;
pidlOut = SHAlloc(uSize + 2);
ZeroMemory(pidlOut, uSize + 2);
pidlOut->mkid.cb = uSize;
pData =_ILGetDataPointer(pidlOut);
pData->type = type;
pszDest = _ILGetTextPointer(type, pData);
memcpy(pszDest, pIn, uInSize);
TRACE_(pidl)("- create Value: %s\n",debugstr_a(pszDest));
break;
}
pidlTemp = ILGetNext(pidlOut);
if (pidlTemp)
pidlTemp->mkid.cb = 0x00;
TRACE_(pidl)("-- (pidl=%p, size=%u)\n", pidlOut, uSize);
return pidlOut;
}
/**************************************************************************
* _ILGetDrive()
*
* Gets the text for the drive eg. 'c:\'
*
* RETURNS
* strlen (lpszText)
*/
DWORD WINAPI _ILGetDrive(LPCITEMIDLIST pidl,LPSTR pOut, UINT16 uSize)
{ TRACE_(pidl)("(%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 WINAPI _ILIsDesktop(LPCITEMIDLIST pidl)
{ TRACE_(pidl)("(%p)\n",pidl);
return ( !pidl || (pidl && pidl->mkid.cb == 0x00) );
}
BOOL WINAPI _ILIsMyComputer(LPCITEMIDLIST pidl)
{
REFIID iid = _ILGetGUIDPointer(pidl);
TRACE_(pidl)("(%p)\n",pidl);
if (iid)
return IsEqualIID(iid, &IID_MyComputer);
return FALSE;
}
BOOL WINAPI _ILIsSpecialFolder (LPCITEMIDLIST pidl)
{
LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
TRACE_(pidl)("(%p)\n",pidl);
return (pidl && ( (lpPData && (PT_MYCOMP== lpPData->type || PT_SPECIAL== lpPData->type)) ||
(pidl && pidl->mkid.cb == 0x00)
));
}
BOOL WINAPI _ILIsDrive(LPCITEMIDLIST pidl)
{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
TRACE_(pidl)("(%p)\n",pidl);
return (pidl && lpPData && (PT_DRIVE == lpPData->type ||
PT_DRIVE1 == lpPData->type ||
PT_DRIVE2 == lpPData->type ||
PT_DRIVE3 == lpPData->type));
}
BOOL WINAPI _ILIsFolder(LPCITEMIDLIST pidl)
{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
TRACE_(pidl)("(%p)\n",pidl);
return (pidl && lpPData && (PT_FOLDER == lpPData->type || PT_FOLDER1 == lpPData->type));
}
BOOL WINAPI _ILIsValue(LPCITEMIDLIST pidl)
{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
TRACE_(pidl)("(%p)\n",pidl);
return (pidl && lpPData && PT_VALUE == lpPData->type);
}
/**************************************************************************
* _ILIsPidlSimple
*/
BOOL WINAPI _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_(pidl)("%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 lenght of the string
*/
DWORD WINAPI _ILSimpleGetText (LPCITEMIDLIST pidl, LPSTR szOut, UINT uOutSize)
{
LPPIDLDATA pData;
DWORD dwReturn=0;
LPSTR szSrc;
GUID const * riid;
char szTemp[MAX_PATH];
TRACE_(pidl)("(%p %p %x)\n",pidl,szOut,uOutSize);
if (!pidl) return 0;
if (szOut)
*szOut = 0;
pData = _ILGetDataPointer(pidl);
if (!pData)
{
/* desktop */
if (HCR_GetClassName(&CLSID_ShellDesktop, szTemp, MAX_PATH))
{
if (szOut)
lstrcpynA(szOut, szTemp, uOutSize);
dwReturn = strlen (szTemp);
}
}
else if (( szSrc = _ILGetTextPointer(pData->type, pData) ))
{
/* filesystem */
if (szOut)
lstrcpynA(szOut, szSrc, MAX_PATH);
dwReturn = strlen(szSrc);
}
else if (( riid = _ILGetGUIDPointer(pidl) ))
{
/* special folder */
if ( HCR_GetClassName(riid, szTemp, MAX_PATH) )
{
if (szOut)
lstrcpynA(szOut, szTemp, uOutSize);
dwReturn = strlen (szTemp);
}
}
else
{
ERR_(pidl)("-- no text\n");
}
TRACE_(pidl)("-- (%p=%s 0x%08lx)\n",szOut,(char*)szOut,dwReturn);
return dwReturn;
}
/**************************************************************************
*
* ### 4. getting pointers to parts of pidls ###
*
**************************************************************************
* _ILGetDataPointer()
*/
LPPIDLDATA WINAPI _ILGetDataPointer(LPITEMIDLIST 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 WINAPI _ILGetTextPointer(PIDLTYPE type, LPPIDLDATA pidldata)
{/* TRACE(pidl,"(type=%x data=%p)\n", type, pidldata);*/
if(!pidldata)
{ return NULL;
}
switch (type)
{
case PT_MYCOMP:
case PT_SPECIAL:
return NULL;
case PT_DRIVE:
case PT_DRIVE1:
case PT_DRIVE2:
case PT_DRIVE3:
return (LPSTR)&(pidldata->u.drive.szDriveName);
case PT_FOLDER:
case PT_FOLDER1:
case PT_VALUE:
case PT_IESPECIAL:
return (LPSTR)&(pidldata->u.file.szNames);
case PT_WORKGRP:
case PT_COMP:
case PT_NETWORK:
case PT_SHARE:
return (LPSTR)&(pidldata->u.network.szNames);
}
return NULL;
}
/**************************************************************************
* _ILGetSTextPointer()
* gets a pointer to the short filename string stored in the pidl
*/
LPSTR WINAPI _ILGetSTextPointer(PIDLTYPE type, LPPIDLDATA pidldata)
{/* TRACE(pidl,"(type=%x data=%p)\n", type, pidldata);*/
if(!pidldata)
return NULL;
switch (type)
{
case PT_FOLDER:
case PT_VALUE:
case PT_IESPECIAL:
return (LPSTR)(pidldata->u.file.szNames + strlen (pidldata->u.file.szNames) + 1);
case PT_WORKGRP:
return (LPSTR)(pidldata->u.network.szNames + strlen (pidldata->u.network.szNames) + 1);
}
return NULL;
}
/**************************************************************************
* _ILGetGUIDPointer()
*
* returns reference to guid stored in some pidls
*/
REFIID WINAPI _ILGetGUIDPointer(LPCITEMIDLIST pidl)
{
LPPIDLDATA pdata =_ILGetDataPointer(pidl);
if (pdata)
{
switch (pdata->type)
{
case PT_SPECIAL:
case PT_MYCOMP:
return (REFIID) &(pdata->u.mycomp.guid);
}
}
return NULL;
}
BOOL WINAPI _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
{ LPPIDLDATA pdata =_ILGetDataPointer(pidl);
FILETIME ft;
SYSTEMTIME time;
switch (pdata->type)
{ case PT_FOLDER:
DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, &ft);
break;
case PT_VALUE:
DosDateTimeToFileTime(pdata->u.file.uFileDate, pdata->u.file.uFileTime, &ft);
break;
default:
return FALSE;
}
FileTimeToSystemTime (&ft, &time);
return GetDateFormatA(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&time, NULL, pOut, uOutSize);
}
BOOL WINAPI _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
{ LPPIDLDATA pdata =_ILGetDataPointer(pidl);
switch (pdata->type)
{ case PT_VALUE:
break;
default:
return FALSE;
}
StrFormatByteSizeA(pdata->u.file.dwFileSize, pOut, uOutSize);
return TRUE;
}
BOOL WINAPI _ILGetExtension (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
{
char szTemp[MAX_PATH];
const char * pPoint;
LPITEMIDLIST pidlTemp=pidl;
TRACE_(pidl)("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_(pidl)("%s\n",pOut);
return TRUE;
}
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