Initial add of PowerRename from SmartRename repo (#499)

* Initial add of PowerRename from SmartRename repo

src/modules/powerrename/unittests/MockPowerRenameRegExEvents.cpp

@@ -0,0 +1,69 @@
+#include "stdafx.h"
+#include "MockPowerRenameRegExEvents.h"
+
+IFACEMETHODIMP_(ULONG) CMockPowerRenameRegExEvents::AddRef()
+{
+    return InterlockedIncrement(&m_refCount);
+}
+
+IFACEMETHODIMP_(ULONG) CMockPowerRenameRegExEvents::Release()
+{
+    long refCount = InterlockedDecrement(&m_refCount);
+
+    if (refCount == 0)
+    {
+        delete this;
+    }
+    return refCount;
+}
+
+IFACEMETHODIMP CMockPowerRenameRegExEvents::QueryInterface(_In_ REFIID riid, _Outptr_ void** ppv)
+{
+    static const QITAB qit[] = {
+        QITABENT(CMockPowerRenameRegExEvents, IPowerRenameRegExEvents),
+        { 0 }
+    };
+    return QISearch(this, qit, riid, ppv);
+}
+
+IFACEMETHODIMP CMockPowerRenameRegExEvents::OnSearchTermChanged(_In_ PCWSTR searchTerm)
+{
+    CoTaskMemFree(m_searchTerm);
+    m_searchTerm = nullptr;
+    if (searchTerm != nullptr)
+    {
+        SHStrDup(searchTerm, &m_searchTerm);
+    }
+    return S_OK;
+}
+
+IFACEMETHODIMP CMockPowerRenameRegExEvents::OnReplaceTermChanged(_In_ PCWSTR replaceTerm)
+{
+    CoTaskMemFree(m_replaceTerm);
+    m_replaceTerm = nullptr;
+    if (replaceTerm != nullptr)
+    {
+        SHStrDup(replaceTerm, &m_replaceTerm);
+    }
+    return S_OK;
+}
+
+IFACEMETHODIMP CMockPowerRenameRegExEvents::OnFlagsChanged(_In_ DWORD flags)
+{
+    m_flags = flags;
+    return S_OK;
+}
+
+HRESULT CMockPowerRenameRegExEvents::s_CreateInstance(_Outptr_ IPowerRenameRegExEvents** ppsrree)
+{
+    *ppsrree = nullptr;
+    CMockPowerRenameRegExEvents* psrree = new CMockPowerRenameRegExEvents();
+    HRESULT hr = psrree ? S_OK : E_OUTOFMEMORY;
+    if (SUCCEEDED(hr))
+    {
+        hr = psrree->QueryInterface(IID_PPV_ARGS(ppsrree));
+        psrree->Release();
+    }
+    return hr;
+}
+