[dquintana] 68832: [NTOBJSHEX] * Now that we use lazy enumeration instead of keeping a full list of all items, I was able to simplify a few things.

Author: dquintana
Date: Wed Aug 26 23:30:47 2015
New Revision: 68832

URL: http://svn.reactos.org/svn/reactos?rev=68832&view=rev
Log:
[NTOBJSHEX]
* Now that we use lazy enumeration instead of keeping a full list of all items, I was able
to simplify a few things.

Modified:
    trunk/reactos/dll/shellext/ntobjshex/ntobjfolder.cpp
    trunk/reactos/dll/shellext/ntobjshex/ntobjfolder.h
    trunk/reactos/dll/shellext/ntobjshex/regfolder.cpp
    trunk/reactos/dll/shellext/ntobjshex/regfolder.h

Modified: trunk/reactos/dll/shellext/ntobjshex/ntobjfolder.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/shellext/ntobjshex/nto…
==============================================================================
--- trunk/reactos/dll/shellext/ntobjshex/ntobjfolder.cpp	[iso-8859-1] (original)
+++ trunk/reactos/dll/shellext/ntobjshex/ntobjfolder.cpp	[iso-8859-1] Wed Aug 26 23:30:47
2015
@@ -131,28 +131,9 @@
 
 };
 
-class CNtObjectPidlManager
-{
-private:
-    PWSTR m_ntPath;
-
+class CNtObjectPidlHelper
+{
 public:
-    CNtObjectPidlManager() :
-        m_ntPath(NULL)
-    {
-    }
-
-    ~CNtObjectPidlManager()
-    {
-    }
-
-    HRESULT Initialize(PWSTR ntPath)
-    {
-        m_ntPath = ntPath;
-
-        return S_OK;
-    }
-
     static HRESULT CompareIDs(LPARAM lParam, const NtPidlEntry * first, const NtPidlEntry
* second)
     {
         if ((lParam & 0xFFFF0000) == SHCIDS_ALLFIELDS)
@@ -285,7 +266,7 @@
         return flags & mask;
     }
 
-    BOOL IsFolder(LPCITEMIDLIST pcidl)
+    static BOOL IsFolder(LPCITEMIDLIST pcidl)
     {
         NtPidlEntry * entry = (NtPidlEntry*) &(pcidl->mkid);
         if ((entry->cb < sizeof(NtPidlEntry)) || (entry->magic !=
NT_OBJECT_PIDL_MAGIC))
@@ -296,7 +277,7 @@
             (entry->objectType == KEY_OBJECT);
     }
 
-    HRESULT GetInfoFromPidl(LPCITEMIDLIST pcidl, const NtPidlEntry ** pentry)
+    static HRESULT GetInfoFromPidl(LPCITEMIDLIST pcidl, const NtPidlEntry ** pentry)
     {
         NtPidlEntry * entry = (NtPidlEntry*) &(pcidl->mkid);
 
@@ -321,7 +302,6 @@
 // CNtObjectFolder
 
 CNtObjectFolder::CNtObjectFolder() :
-    m_PidlManager(NULL),
     m_shellPidl(NULL)
 {
 }
@@ -330,8 +310,6 @@
 {
     if (m_shellPidl)
         ILFree(m_shellPidl);
-    if (m_PidlManager)
-        delete m_PidlManager;
 }
 
 // IShellFolder
@@ -370,7 +348,7 @@
         if (hr != S_OK)
             break;
 
-        hr = m_PidlManager->GetInfoFromPidl(*ppidl, &info);
+        hr = CNtObjectPidlHelper::GetInfoFromPidl(*ppidl, &info);
         if (FAILED_UNEXPECTEDLY(hr))
             return hr;
 
@@ -389,7 +367,7 @@
             *pchEaten = wcslen(info->entryName);
 
         if (pdwAttributes)
-            *pdwAttributes = m_PidlManager->ConvertAttributes(info, pdwAttributes);
+            *pdwAttributes = CNtObjectPidlHelper::ConvertAttributes(info,
pdwAttributes);
     }
 
     return S_OK;
@@ -413,7 +391,7 @@
 
     if (IsEqualIID(riid, IID_IShellFolder))
     {
-        HRESULT hr = m_PidlManager->GetInfoFromPidl(pidl, &info);
+        HRESULT hr = CNtObjectPidlHelper::GetInfoFromPidl(pidl, &info);
         if (FAILED_UNEXPECTEDLY(hr))
             return hr;
 
@@ -514,7 +492,7 @@
 {
     TRACE("CompareIDs\n");
 
-    HRESULT hr = m_PidlManager->CompareIDs(lParam, pidl1, pidl2);
+    HRESULT hr = CNtObjectPidlHelper::CompareIDs(lParam, pidl1, pidl2);
     if (hr != S_OK)
         return hr;
 
@@ -581,12 +559,12 @@
     {
         PCUITEMID_CHILD pidl = apidl[i];
 
-        HRESULT hr = m_PidlManager->GetInfoFromPidl(pidl, &info);
+        HRESULT hr = CNtObjectPidlHelper::GetInfoFromPidl(pidl, &info);
         if (FAILED_UNEXPECTEDLY(hr))
             return hr;
 
         // Update attributes.
-        *rgfInOut = m_PidlManager->ConvertAttributes(info, rgfInOut);
+        *rgfInOut = CNtObjectPidlHelper::ConvertAttributes(info, rgfInOut);
     }
 
     return S_OK;
@@ -612,7 +590,7 @@
         HKEY keys[1];
 
         int nkeys = _countof(keys);
-        if (cidl == 1 && m_PidlManager->IsFolder(apidl[0]))
+        if (cidl == 1 && CNtObjectPidlHelper::IsFolder(apidl[0]))
         {
             res = RegOpenKey(HKEY_CLASSES_ROOT, L"Folder", keys + 0);
             if (!NT_SUCCESS(res))
@@ -642,7 +620,7 @@
 
     if (IsEqualIID(riid, IID_IQueryAssociations))
     {
-        if (cidl == 1 && m_PidlManager->IsFolder(apidl[0]))
+        if (cidl == 1 && CNtObjectPidlHelper::IsFolder(apidl[0]))
         {
             CComPtr<IQueryAssociations> pqa;
             HRESULT hr = AssocCreate(CLSID_QueryAssociations,
IID_PPV_ARG(IQueryAssociations, &pqa));
@@ -669,7 +647,7 @@
 
     TRACE("GetDisplayNameOf %p\n", pidl);
 
-    HRESULT hr = m_PidlManager->GetInfoFromPidl(pidl, &info);
+    HRESULT hr = CNtObjectPidlHelper::GetInfoFromPidl(pidl, &info);
     if (FAILED_UNEXPECTEDLY(hr))
         return hr;
 
@@ -748,16 +726,9 @@
 {
     m_shellPidl = ILClone(pidl);
 
-    PCWSTR ntPath = L"\\";
-
-    if (!m_PidlManager)
-    {
-        m_PidlManager = new CNtObjectPidlManager();
-
-        StringCbCopy(m_NtPath, _countof(m_NtPath), ntPath);
-    }
-
-    return m_PidlManager->Initialize(m_NtPath);
+    StringCbCopy(m_NtPath, _countof(m_NtPath), L"\\");
+
+    return S_OK;
 }
 
 // Internal
@@ -765,11 +736,9 @@
 {
     m_shellPidl = ILClone(pidl);
 
-    if (!m_PidlManager)
-        m_PidlManager = new CNtObjectPidlManager();
-
     StringCbCopy(m_NtPath, _countof(m_NtPath), ntPath);
-    return m_PidlManager->Initialize(m_NtPath);
+
+    return S_OK;
 }
 
 // IPersistFolder2
@@ -840,7 +809,7 @@
 
     if (pidl)
     {
-        HRESULT hr = m_PidlManager->GetInfoFromPidl(pidl, &info);
+        HRESULT hr = CNtObjectPidlHelper::GetInfoFromPidl(pidl, &info);
         if (FAILED_UNEXPECTEDLY(hr))
             return hr;
 
@@ -907,7 +876,7 @@
 
     if (pidl)
     {
-        HRESULT hr = m_PidlManager->GetInfoFromPidl(pidl, &info);
+        HRESULT hr = CNtObjectPidlHelper::GetInfoFromPidl(pidl, &info);
         if (FAILED_UNEXPECTEDLY(hr))
             return hr;
 

Modified: trunk/reactos/dll/shellext/ntobjshex/ntobjfolder.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/shellext/ntobjshex/nto…
==============================================================================
--- trunk/reactos/dll/shellext/ntobjshex/ntobjfolder.h	[iso-8859-1] (original)
+++ trunk/reactos/dll/shellext/ntobjshex/ntobjfolder.h	[iso-8859-1] Wed Aug 26 23:30:47
2015
@@ -9,8 +9,6 @@
 
 extern const GUID CLSID_NtObjectFolder;
 
-class CNtObjectPidlManager;
-
 class CNtObjectFolder :
     public CComCoClass<CNtObjectFolder, &CLSID_NtObjectFolder>,
     public CComObjectRootEx<CComMultiThreadModelNoCS>,
@@ -18,8 +16,6 @@
     public IPersistFolder2,
     public IShellFolderViewCB
 {
-    CNtObjectPidlManager * m_PidlManager;
-
     WCHAR m_NtPath[MAX_PATH];
 
     LPITEMIDLIST m_shellPidl;
@@ -28,8 +24,6 @@
 
     CNtObjectFolder();
     virtual ~CNtObjectFolder();
-
-    CNtObjectPidlManager& GetManager() { return *m_PidlManager; }
 
     // IShellFolder
     virtual HRESULT STDMETHODCALLTYPE ParseDisplayName(

Modified: trunk/reactos/dll/shellext/ntobjshex/regfolder.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/shellext/ntobjshex/reg…
==============================================================================
--- trunk/reactos/dll/shellext/ntobjshex/regfolder.cpp	[iso-8859-1] (original)
+++ trunk/reactos/dll/shellext/ntobjshex/regfolder.cpp	[iso-8859-1] Wed Aug 26 23:30:47
2015
@@ -125,44 +125,9 @@
 
 };
 
-class CRegistryPidlManager
-{
-private:
-    PWSTR m_ntPath;
-    HKEY m_hRoot;
-
-    int  DpaDeleteCallback(RegPidlEntry * info)
-    {
-        CoTaskMemFree(info);
-        return 0;
-    }
-
-    static int CALLBACK s_DpaDeleteCallback(void *pItem, void *pData)
-    {
-        CRegistryPidlManager * mf = (CRegistryPidlManager*) pData;
-        RegPidlEntry  * item = (RegPidlEntry*) pItem;
-        return mf->DpaDeleteCallback(item);
-    }
-
+class CRegistryPidlHelper
+{
 public:
-    CRegistryPidlManager() :
-        m_ntPath(NULL),
-        m_hRoot(NULL)
-    {
-    }
-
-    ~CRegistryPidlManager()
-    {
-    }
-
-    HRESULT Initialize(PWSTR ntPath, HKEY hRoot)
-    {
-        m_ntPath = ntPath;
-        m_hRoot = hRoot;
-
-        return S_OK;
-    }
-
     static HRESULT CompareIDs(LPARAM lParam, const RegPidlEntry * first, const
RegPidlEntry * second)
     {
         if ((lParam & 0xFFFF0000) == SHCIDS_ALLFIELDS)
@@ -290,7 +255,7 @@
         return flags & mask;
     }
 
-    BOOL IsFolder(LPCITEMIDLIST pcidl)
+    static BOOL IsFolder(LPCITEMIDLIST pcidl)
     {
         RegPidlEntry * entry = (RegPidlEntry*) &(pcidl->mkid);
         if ((entry->cb < sizeof(RegPidlEntry)) || (entry->magic !=
REGISTRY_PIDL_MAGIC))
@@ -300,7 +265,7 @@
             (entry->entryType == REG_ENTRY_ROOT);
     }
 
-    HRESULT GetInfoFromPidl(LPCITEMIDLIST pcidl, const RegPidlEntry ** pentry)
+    static HRESULT GetInfoFromPidl(LPCITEMIDLIST pcidl, const RegPidlEntry ** pentry)
     {
         RegPidlEntry * entry = (RegPidlEntry*) &(pcidl->mkid);
 
@@ -371,7 +336,7 @@
         }
     }
 
-    HRESULT FormatContentsForDisplay(const RegPidlEntry * info, PCWSTR * strContents)
+    static HRESULT FormatContentsForDisplay(const RegPidlEntry * info, LPCWSTR ntPath,
PCWSTR * strContents)
     {
         PVOID td = (((PBYTE) info) + FIELD_OFFSET(RegPidlEntry, entryName) +
info->entryNameLength + sizeof(WCHAR));
 
@@ -386,7 +351,7 @@
         {
             PVOID valueData;
             DWORD valueLength;
-            HRESULT hr = ReadRegistryValue(NULL, m_ntPath, info->entryName,
&valueData, &valueLength);
+            HRESULT hr = ReadRegistryValue(NULL, ntPath, info->entryName,
&valueData, &valueLength);
             if (FAILED_UNEXPECTEDLY(hr))
             {
                 PCWSTR strEmpty = L"(Error reading value)";
@@ -429,7 +394,6 @@
 // CRegistryFolder
 
 CRegistryFolder::CRegistryFolder() :
-    m_PidlManager(NULL),
     m_shellPidl(NULL)
 {
 }
@@ -438,8 +402,6 @@
 {
     if (m_shellPidl)
         ILFree(m_shellPidl);
-    if (m_PidlManager)
-        delete m_PidlManager;
 }
 
 // IShellFolder
@@ -480,7 +442,7 @@
         if (hr != S_OK)
             break;
 
-        hr = m_PidlManager->GetInfoFromPidl(*ppidl, &info);
+        hr = CRegistryPidlHelper::GetInfoFromPidl(*ppidl, &info);
         if (FAILED_UNEXPECTEDLY(hr))
             return hr;
 
@@ -499,7 +461,7 @@
             *pchEaten = wcslen(info->entryName);
 
         if (pdwAttributes)
-            *pdwAttributes = m_PidlManager->ConvertAttributes(info, pdwAttributes);
+            *pdwAttributes = CRegistryPidlHelper::ConvertAttributes(info,
pdwAttributes);
     }
 
     return S_OK;
@@ -530,7 +492,7 @@
 
     if (IsEqualIID(riid, IID_IShellFolder))
     {
-        HRESULT hr = m_PidlManager->GetInfoFromPidl(pidl, &info);
+        HRESULT hr = CRegistryPidlHelper::GetInfoFromPidl(pidl, &info);
         if (FAILED_UNEXPECTEDLY(hr))
             return hr;
 
@@ -586,7 +548,7 @@
 {
     TRACE("CompareIDs\n");
 
-    HRESULT hr = m_PidlManager->CompareIDs(lParam, pidl1, pidl2);
+    HRESULT hr = CRegistryPidlHelper::CompareIDs(lParam, pidl1, pidl2);
     if (hr != S_OK)
         return hr;
 
@@ -653,12 +615,12 @@
     {
         PCUITEMID_CHILD pidl = apidl[i];
 
-        HRESULT hr = m_PidlManager->GetInfoFromPidl(pidl, &info);
+        HRESULT hr = CRegistryPidlHelper::GetInfoFromPidl(pidl, &info);
         if (FAILED_UNEXPECTEDLY(hr))
             return hr;
 
         // Update attributes.
-        *rgfInOut = m_PidlManager->ConvertAttributes(info, rgfInOut);
+        *rgfInOut = CRegistryPidlHelper::ConvertAttributes(info, rgfInOut);
     }
 
     return S_OK;
@@ -684,7 +646,7 @@
         HKEY keys[1];
 
         int nkeys = _countof(keys);
-        if (cidl == 1 && m_PidlManager->IsFolder(apidl[0]))
+        if (cidl == 1 && CRegistryPidlHelper::IsFolder(apidl[0]))
         {
             res = RegOpenKey(HKEY_CLASSES_ROOT, L"Folder", keys + 0);
             if (!NT_SUCCESS(res))
@@ -714,7 +676,7 @@
 
     if (IsEqualIID(riid, IID_IQueryAssociations))
     {
-        if (cidl == 1 && m_PidlManager->IsFolder(apidl[0]))
+        if (cidl == 1 && CRegistryPidlHelper::IsFolder(apidl[0]))
         {
             CComPtr<IQueryAssociations> pqa;
             HRESULT hr = AssocCreate(CLSID_QueryAssociations,
IID_PPV_ARG(IQueryAssociations, &pqa));
@@ -741,7 +703,7 @@
 
     TRACE("GetDisplayNameOf %p\n", pidl);
 
-    HRESULT hr = m_PidlManager->GetInfoFromPidl(pidl, &info);
+    HRESULT hr = CRegistryPidlHelper::GetInfoFromPidl(pidl, &info);
     if (FAILED_UNEXPECTEDLY(hr))
         return hr;
 
@@ -821,16 +783,8 @@
     m_shellPidl = ILClone(pidl);
     m_hRoot = NULL;
 
-    PCWSTR ntPath = L"";
-
-    if (!m_PidlManager)
-    {
-        m_PidlManager = new CRegistryPidlManager();
-
-        StringCbCopy(m_NtPath, _countof(m_NtPath), ntPath);
-    }
-
-    return m_PidlManager->Initialize(m_NtPath, m_hRoot);
+    StringCbCopy(m_NtPath, _countof(m_NtPath), L"");
+    return S_OK;
 }
 
 // Internal
@@ -839,11 +793,8 @@
     m_shellPidl = ILClone(pidl);
     m_hRoot = hRoot;
 
-    if (!m_PidlManager)
-        m_PidlManager = new CRegistryPidlManager();
-
     StringCbCopy(m_NtPath, _countof(m_NtPath), ntPath);
-    return m_PidlManager->Initialize(m_NtPath, m_hRoot);
+    return S_OK;
 }
 
 // IPersistFolder2
@@ -914,7 +865,7 @@
 
     if (pidl)
     {
-        HRESULT hr = m_PidlManager->GetInfoFromPidl(pidl, &info);
+        HRESULT hr = CRegistryPidlHelper::GetInfoFromPidl(pidl, &info);
         if (FAILED_UNEXPECTEDLY(hr))
             return hr;
 
@@ -953,7 +904,7 @@
             {
                 PCWSTR strValueContents;
 
-                hr = m_PidlManager->FormatContentsForDisplay(info,
&strValueContents);
+                hr = CRegistryPidlHelper::FormatContentsForDisplay(info, m_NtPath,
&strValueContents);
                 if (FAILED_UNEXPECTEDLY(hr))
                     return hr;
 
@@ -987,7 +938,7 @@
 
     if (pidl)
     {
-        HRESULT hr = m_PidlManager->GetInfoFromPidl(pidl, &info);
+        HRESULT hr = CRegistryPidlHelper::GetInfoFromPidl(pidl, &info);
         if (FAILED_UNEXPECTEDLY(hr))
             return hr;
 
@@ -1029,7 +980,7 @@
 
             PCWSTR strValueContents;
 
-            hr = m_PidlManager->FormatContentsForDisplay(info,
&strValueContents);
+            hr = CRegistryPidlHelper::FormatContentsForDisplay(info, m_NtPath,
&strValueContents);
             if (FAILED_UNEXPECTEDLY(hr))
                 return hr;
 

Modified: trunk/reactos/dll/shellext/ntobjshex/regfolder.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/shellext/ntobjshex/reg…
==============================================================================
--- trunk/reactos/dll/shellext/ntobjshex/regfolder.h	[iso-8859-1] (original)
+++ trunk/reactos/dll/shellext/ntobjshex/regfolder.h	[iso-8859-1] Wed Aug 26 23:30:47
2015
@@ -10,8 +10,6 @@
 
 extern const GUID CLSID_RegistryFolder;
 
-class CRegistryPidlManager;
-
 class CRegistryFolder :
     public CComCoClass<CRegistryFolder, &CLSID_RegistryFolder>,
     public CComObjectRootEx<CComMultiThreadModelNoCS>,
@@ -19,8 +17,6 @@
     public IPersistFolder2,
     public IShellFolderViewCB
 {
-    CRegistryPidlManager * m_PidlManager;
-
     HKEY m_hRoot;
     WCHAR m_NtPath[MAX_PATH];
 
@@ -30,8 +26,6 @@
 
     CRegistryFolder();
     virtual ~CRegistryFolder();
-
-    CRegistryPidlManager& GetManager() { return *m_PidlManager; }
 
     // IShellFolder
     virtual HRESULT STDMETHODCALLTYPE ParseDisplayName(