[SHELL32] Update CFileSysEnum to be maintaineable

CORE-16908
This commit is contained in:
Mark Jansen 2020-04-27 16:11:21 +02:00
parent ac215455bb
commit b1003ae909
No known key found for this signature in database
GPG key ID: B39240EE84BEAE8B
2 changed files with 169 additions and 147 deletions

View file

@ -1,54 +1,24 @@
/*
* file system folder
*
* Copyright 1997 Marcus Meissner
* Copyright 1998, 1999, 2002 Juergen Schmied
* Copyright 2019 Katayama Hirofumi MZ
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
* PROJECT: shell32
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
* PURPOSE: file system folder
* COPYRIGHT: Copyright 1997 Marcus Meissner
* Copyright 1998, 1999, 2002 Juergen Schmied
* Copyright 2019 Katayama Hirofumi MZ
* Copyright 2020 Mark Jansen (mark.jansen@reactos.org)
*/
#include <precomp.h>
WINE_DEFAULT_DEBUG_CHANNEL (shell);
HKEY OpenKeyFromFileType(PCUIDLIST_RELATIVE pidl, LPCWSTR KeyName)
static HRESULT SHELL32_GetCLSIDForDirectory(LPCWSTR pwszDir, LPCWSTR KeyName, CLSID* pclsidFolder);
HKEY OpenKeyFromFileType(LPWSTR pExtension, LPCWSTR KeyName)
{
HKEY hkey;
if (!_ILIsValue(pidl))
{
ERR("Invalid pidl!\n");
return NULL;
}
FileStructW* pDataW = _ILGetFileStructW(pidl);
if (!pDataW)
{
ERR("Invalid pidl!\n");
return NULL;
}
LPWSTR pExtension = PathFindExtensionW(pDataW->wszName);
if (!pExtension || *pExtension == NULL)
{
WARN("No extension for %S!\n", pDataW->wszName);
return NULL;
}
WCHAR FullName[MAX_PATH];
DWORD dwSize = sizeof(FullName);
wsprintf(FullName, L"%s\\%s", pExtension, KeyName);
@ -60,7 +30,7 @@ HKEY OpenKeyFromFileType(PCUIDLIST_RELATIVE pidl, LPCWSTR KeyName)
res = RegGetValueW(HKEY_CLASSES_ROOT, pExtension, NULL, RRF_RT_REG_SZ, NULL, FullName, &dwSize);
if (res)
{
WARN("Failed to get progid for file %S, extension %S (%x), address %x, pidl: %x, error %d\n", pDataW->wszName, pExtension, pExtension, &dwSize, pidl, res);
WARN("Failed to get progid for extension %S (%x), error %d\n", pExtension, pExtension, res);
return NULL;
}
@ -75,9 +45,33 @@ HKEY OpenKeyFromFileType(PCUIDLIST_RELATIVE pidl, LPCWSTR KeyName)
return hkey;
}
HRESULT GetCLSIDForFileType(PCUIDLIST_RELATIVE pidl, LPCWSTR KeyName, CLSID* pclsid)
LPWSTR ExtensionFromPidl(PCUIDLIST_RELATIVE pidl)
{
HKEY hkeyProgId = OpenKeyFromFileType(pidl, KeyName);
if (!_ILIsValue(pidl))
{
ERR("Invalid pidl!\n");
return NULL;
}
FileStructW* pDataW = _ILGetFileStructW(pidl);
if (!pDataW)
{
ERR("Invalid pidl!\n");
return NULL;
}
LPWSTR pExtension = PathFindExtensionW(pDataW->wszName);
if (!pExtension || *pExtension == UNICODE_NULL)
{
WARN("No extension for %S!\n", pDataW->wszName);
return NULL;
}
return pExtension;
}
HRESULT GetCLSIDForFileTypeFromExtension(LPWSTR pExtension, LPCWSTR KeyName, CLSID* pclsid)
{
HKEY hkeyProgId = OpenKeyFromFileType(pExtension, KeyName);
if (!hkeyProgId)
{
WARN("OpenKeyFromFileType failed for key %S\n", KeyName);
@ -130,6 +124,15 @@ HRESULT GetCLSIDForFileType(PCUIDLIST_RELATIVE pidl, LPCWSTR KeyName, CLSID* pcl
return S_OK;
}
HRESULT GetCLSIDForFileType(PCUIDLIST_RELATIVE pidl, LPCWSTR KeyName, CLSID* pclsid)
{
LPWSTR pExtension = ExtensionFromPidl(pidl);
if (!pExtension)
return S_FALSE;
return GetCLSIDForFileTypeFromExtension(pExtension, KeyName, pclsid);
}
static HRESULT
getDefaultIconLocation(LPWSTR szIconFile, UINT cchMax, int *piIndex, UINT uFlags)
{
@ -293,7 +296,8 @@ HRESULT CFSExtractIcon_CreateInstance(IShellFolder * psf, LPCITEMIDLIST pidl, RE
}
else
{
HKEY hkey = OpenKeyFromFileType(pidl, L"DefaultIcon");
LPWSTR pExtension = ExtensionFromPidl(pidl);
HKEY hkey = pExtension ? OpenKeyFromFileType(pExtension, L"DefaultIcon") : NULL;
if (!hkey)
WARN("Could not open DefaultIcon key!\n");
@ -342,98 +346,128 @@ including formatting a drive, reconnecting a network share drive, and requesting
be inserted in a removable drive.
*/
/***********************************************************************
* IShellFolder implementation
*/
class CFileSysEnum :
public CEnumIDListBase
{
private:
public:
CFileSysEnum();
~CFileSysEnum();
HRESULT WINAPI Initialize(LPWSTR sPathTarget, DWORD dwFlags);
BEGIN_COM_MAP(CFileSysEnum)
COM_INTERFACE_ENTRY_IID(IID_IEnumIDList, IEnumIDList)
END_COM_MAP()
};
CFileSysEnum::CFileSysEnum()
{
}
CFileSysEnum::~CFileSysEnum()
{
}
HRESULT WINAPI CFileSysEnum::Initialize(LPWSTR lpszPath, DWORD dwFlags)
{
WIN32_FIND_DATAW stffile;
HANDLE hFile;
WCHAR szPath[MAX_PATH];
BOOL succeeded = TRUE;
static const WCHAR stars[] = { '*','.','*',0 };
static const WCHAR dot[] = { '.',0 };
static const WCHAR dotdot[] = { '.','.',0 };
TRACE("(%p)->(path=%s flags=0x%08x)\n", this, debugstr_w(lpszPath), dwFlags);
if(!lpszPath || !lpszPath[0]) return FALSE;
wcscpy(szPath, lpszPath);
PathAddBackslashW(szPath);
wcscat(szPath,stars);
hFile = FindFirstFileW(szPath,&stffile);
if ( hFile != INVALID_HANDLE_VALUE )
private:
HRESULT _AddFindResult(LPWSTR sParentDir, const WIN32_FIND_DATAW& FindData, DWORD dwFlags)
{
BOOL findFinished = FALSE;
#define HIDDEN FILE_ATTRIBUTE_HIDDEN
#define SUPER_HIDDEN (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)
// Does it need special handling because it is hidden?
if (FindData.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN)
{
DWORD dwHidden = FindData.dwFileAttributes & SUPER_HIDDEN;
// Is it hidden, but are we not asked to include hidden?
if (dwHidden == FILE_ATTRIBUTE_HIDDEN && !(dwFlags & SHCONTF_INCLUDEHIDDEN))
return S_OK;
// Is it a system file, but are we not asked to include those?
if (dwHidden == SUPER_HIDDEN && !(dwFlags & SHCONTF_INCLUDESUPERHIDDEN))
return S_OK;
}
BOOL bDirectory = (FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
LPITEMIDLIST pidl = NULL;
if (bDirectory)
{
if (dwFlags & SHCONTF_FOLDERS)
{
TRACE("(%p)-> (folder=%s)\n", this, debugstr_w(FindData.cFileName));
pidl = _ILCreateFromFindDataW(&FindData);
}
}
else
{
if (dwFlags & SHCONTF_NONFOLDERS)
{
TRACE("(%p)-> (file =%s)\n", this, debugstr_w(FindData.cFileName));
pidl = _ILCreateFromFindDataW(&FindData);
}
}
if (pidl && !AddToEnumList(pidl))
{
FAILED_UNEXPECTEDLY(E_FAIL);
return E_FAIL;
}
return S_OK;
}
public:
CFileSysEnum()
{
}
~CFileSysEnum()
{
}
HRESULT WINAPI Initialize(LPWSTR sPathTarget, DWORD dwFlags)
{
TRACE("(%p)->(path=%s flags=0x%08x)\n", this, debugstr_w(sPathTarget), dwFlags);
if (!sPathTarget || !sPathTarget[0])
{
FAILED_UNEXPECTEDLY(E_INVALIDARG);
return E_INVALIDARG;
}
WCHAR szFindPattern[MAX_PATH];
HRESULT hr = StringCchCopyW(szFindPattern, _countof(szFindPattern), sPathTarget);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
/* FIXME: UNSAFE CRAP */
PathAddBackslashW(szFindPattern);
hr = StringCchCatW(szFindPattern, _countof(szFindPattern), L"*.*");
if (FAILED_UNEXPECTEDLY(hr))
return hr;
WIN32_FIND_DATAW FindData;
HANDLE hFind = FindFirstFileW(szFindPattern, &FindData);
if (hFind == INVALID_HANDLE_VALUE)
return HRESULT_FROM_WIN32(GetLastError());
do
{
if ((stffile.dwFileAttributes & HIDDEN) == 0 ||
((dwFlags & SHCONTF_INCLUDEHIDDEN) &&
(stffile.dwFileAttributes & SUPER_HIDDEN) == HIDDEN) ||
((dwFlags & SHCONTF_INCLUDESUPERHIDDEN) &&
(stffile.dwFileAttributes & SUPER_HIDDEN) == SUPER_HIDDEN))
{
LPITEMIDLIST pidl = NULL;
hr = _AddFindResult(sPathTarget, FindData, dwFlags);
if ( (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
dwFlags & SHCONTF_FOLDERS &&
strcmpW(stffile.cFileName, dot) && strcmpW(stffile.cFileName, dotdot))
{
pidl = _ILCreateFromFindDataW(&stffile);
succeeded = succeeded && AddToEnumList(pidl);
}
else if (!(stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
&& dwFlags & SHCONTF_NONFOLDERS)
{
pidl = _ILCreateFromFindDataW(&stffile);
succeeded = succeeded && AddToEnumList(pidl);
}
}
if (succeeded)
if (FAILED_UNEXPECTEDLY(hr))
break;
} while(FindNextFileW(hFind, &FindData));
if (SUCCEEDED(hr))
{
DWORD dwError = GetLastError();
if (dwError != ERROR_NO_MORE_FILES)
{
if (!FindNextFileW(hFile, &stffile))
{
if (GetLastError() == ERROR_NO_MORE_FILES)
findFinished = TRUE;
else
succeeded = FALSE;
}
hr = HRESULT_FROM_WIN32(dwError);
FAILED_UNEXPECTEDLY(hr);
}
} while (succeeded && !findFinished);
FindClose(hFile);
}
TRACE("(%p)->(hr=0x%08x)\n", this, hr);
FindClose(hFind);
return hr;
}
return succeeded;
}
BEGIN_COM_MAP(CFileSysEnum)
COM_INTERFACE_ENTRY_IID(IID_IEnumIDList, IEnumIDList)
END_COM_MAP()
};
/***********************************************************************
* IShellFolder implementation
*/
CFSFolder::CFSFolder()
{

View file

@ -1,23 +1,11 @@
/*
* file system folder
*
* Copyright 1997 Marcus Meissner
* Copyright 1998, 1999, 2002 Juergen Schmied
* Copyright 2009 Andrew Hill
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
* PROJECT: shell32
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
* PURPOSE: file system folder
* COPYRIGHT: Copyright 1997 Marcus Meissner
* Copyright 1998, 1999, 2002 Juergen Schmied
* Copyright 2009 Andrew Hill
* Copyright 2020 Mark Jansen (mark.jansen@reactos.org)
*/
#ifndef _CFSFOLDER_H_
@ -111,12 +99,12 @@ class CFSFolder :
return S_OK;
}
DECLARE_REGISTRY_RESOURCEID(IDR_SHELLFSFOLDER)
DECLARE_NOT_AGGREGATABLE(CFSFolder)
DECLARE_REGISTRY_RESOURCEID(IDR_SHELLFSFOLDER)
DECLARE_NOT_AGGREGATABLE(CFSFolder)
DECLARE_PROTECT_FINAL_CONSTRUCT()
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CFSFolder)
BEGIN_COM_MAP(CFSFolder)
COM_INTERFACE_ENTRY_IID(IID_IShellFolder2, IShellFolder2)
COM_INTERFACE_ENTRY_IID(IID_IShellFolder, IShellFolder)
COM_INTERFACE_ENTRY_IID(IID_IPersistFolder, IPersistFolder)
@ -125,7 +113,7 @@ class CFSFolder :
COM_INTERFACE_ENTRY_IID(IID_IPersist, IPersist)
COM_INTERFACE_ENTRY_IID(IID_IShellFolderViewCB, IShellFolderViewCB)
COM_INTERFACE_ENTRY_IID(IID_IItemNameLimits, IItemNameLimits)
END_COM_MAP()
END_COM_MAP()
protected:
HRESULT WINAPI GetCustomViewInfo(ULONG unknown, SFVM_CUSTOMVIEWINFO_DATA *data);