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Implement SHGetPathFromIDList based on GetDisplayNameOf.

This commit is contained in:
Michael Jung 2005-06-15 10:20:00 +00:00 committed by Alexandre Julliard
parent 7691aca10c
commit ebb1aaee86
2 changed files with 22 additions and 177 deletions
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196
dlls/shell32/pidl.c
View File

@ -1209,87 +1209,6 @@ HRESULT WINAPI SHGetDataFromIDListW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl,
return E_INVALIDARG;
}
/*************************************************************************
* SHELL_GetPathFromIDListA
*/
HRESULT SHELL_GetPathFromIDListA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
{
HRESULT hr = S_OK;
pszPath[0]=0;
/* One case is a PIDL rooted at desktop level */
if (_ILIsDesktop(pidl) || _ILIsValue(pidl) || _ILIsFolder(pidl))
{
hr = SHGetSpecialFolderPathA(0, pszPath, CSIDL_DESKTOP, FALSE);
if (SUCCEEDED(hr))
PathAddBackslashA(pszPath);
}
/* The only other valid case is an item ID list beginning at "My Computer" */
else if (_ILIsMyComputer(pidl))
pidl = ILGetNext(pidl);
if (SUCCEEDED(hr))
{
LPSTR txt;
while(pidl && pidl->mkid.cb)
{
if (_ILIsSpecialFolder(pidl))
{
hr = E_INVALIDARG;
break;
}
txt = _ILGetTextPointer(pidl);
if (!txt)
{
hr = E_INVALIDARG;
break;
}
if (lstrlenA(txt) > pidl->mkid.cb)
ERR("pidl %p is borked\n",pidl);
/* make sure there's enough space for the next segment */
if ((lstrlenA(txt) + lstrlenA(pszPath)) > uOutSize)
{
hr = E_INVALIDARG;
break;
}
lstrcatA( pszPath, txt );
pidl = ILGetNext(pidl);
if (!pidl)
{
hr = E_INVALIDARG;
break;
}
/* Are we at the end and successfully converted the complete PIDL? */
if (!pidl->mkid.cb)
break;
if ((lstrlenA(pszPath) + 1) > uOutSize)
{
hr = E_INVALIDARG;
break;
}
if (!PathAddBackslashA(pszPath))
{
hr = E_INVALIDARG;
break;
}
}
}
else
hr = E_INVALIDARG;
TRACE_(shell)("-- %s, 0x%08lx\n", pszPath, hr);
return hr;
}
/*************************************************************************
* SHGetPathFromIDListA [SHELL32.@][NT 4.0: SHELL32.220]
*
@ -1307,100 +1226,14 @@ HRESULT SHELL_GetPathFromIDListA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSiz
*/
BOOL WINAPI SHGetPathFromIDListA(LPCITEMIDLIST pidl, LPSTR pszPath)
{
HRESULT hr;
WCHAR wszPath[MAX_PATH];
BOOL bSuccess;
TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
pdump(pidl);
bSuccess = SHGetPathFromIDListW(pidl, wszPath);
if (bSuccess)
WideCharToMultiByte(CP_ACP, 0, wszPath, -1, pszPath, MAX_PATH, NULL, NULL);
if (!pidl)
return FALSE;
hr = SHELL_GetPathFromIDListA(pidl, pszPath, MAX_PATH);
return SUCCEEDED(hr);
}
/*************************************************************************
* SHELL_GetPathFromIDListW
*/
HRESULT SHELL_GetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
{
HRESULT hr = S_OK;
UINT len;
pszPath[0]=0;
/* One case is a PIDL rooted at desktop level */
if (_ILIsDesktop(pidl) ||_ILIsValue(pidl) || _ILIsFolder(pidl))
{
hr = SHGetSpecialFolderPathW(0, pszPath, CSIDL_DESKTOP, FALSE);
if (SUCCEEDED(hr))
PathAddBackslashW(pszPath);
}
/* The only other valid case is an item ID list beginning at "My Computer" */
else if (_ILIsMyComputer(pidl))
pidl = ILGetNext(pidl);
if (SUCCEEDED(hr))
{
LPSTR txt;
while(pidl && pidl->mkid.cb)
{
if (_ILIsSpecialFolder(pidl))
{
hr = E_INVALIDARG;
break;
}
txt = _ILGetTextPointer(pidl);
if (!txt)
{
hr = E_INVALIDARG;
break;
}
if (lstrlenA(txt) > pidl->mkid.cb)
ERR("pidl %p is borked\n",pidl);
len = MultiByteToWideChar(CP_ACP, 0, txt, -1, NULL, 0);
if ( (lstrlenW(pszPath) + len) > uOutSize )
{
hr = E_INVALIDARG;
break;
}
MultiByteToWideChar(CP_ACP, 0, txt, -1,
&pszPath[lstrlenW(pszPath)], len);
pidl = ILGetNext(pidl);
if (!pidl)
{
hr = E_INVALIDARG;
break;
}
/* Are we at the end and successfully converted the complete PIDL? */
if (!pidl->mkid.cb)
break;
if ((lstrlenW(pszPath) + 1) > uOutSize )
{
hr = E_INVALIDARG;
break;
}
if (!PathAddBackslashW(pszPath))
{
hr = E_INVALIDARG;
break;
}
}
}
else
hr = E_INVALIDARG;
TRACE_(shell)("-- %s, 0x%08lx\n", debugstr_w(pszPath), hr);
return hr;
return bSuccess;
}
/*************************************************************************
@ -1409,6 +1242,10 @@ HRESULT SHELL_GetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSi
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);
@ -1416,7 +1253,18 @@ BOOL WINAPI SHGetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath)
if (!pidl)
return FALSE;
hr = SHELL_GetPathFromIDListW(pidl, pszPath, MAX_PATH);
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)) return FALSE;
hr = IShellFolder_GetDisplayNameOf(psfFolder, pidlLast, SHGDN_FORPARSING, &strret);
if (FAILED(hr)) return FALSE;
hr = StrRetToBufW(&strret, pidlLast, pszPath, MAX_PATH);
IShellFolder_Release(psfFolder);
TRACE_(shell)("-- %s, 0x%08lx\n",debugstr_w(pszPath), hr);
return SUCCEEDED(hr);

3
dlls/shell32/pidl.h
View File

@ -257,7 +257,4 @@ LPITEMIDLIST * _ILCopyCidaToaPidl(LPITEMIDLIST* pidl, LPIDA cida);
BOOL WINAPI ILGetDisplayNameExA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPSTR path, DWORD type);
BOOL WINAPI ILGetDisplayNameExW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPWSTR path, DWORD type);
HRESULT SHELL_GetPathFromIDListA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize);
HRESULT SHELL_GetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize);
#endif