Initial add of PowerRename from SmartRename repo (#499)

* Initial add of PowerRename from SmartRename repo

src/modules/powerrename/lib/PowerRenameRegEx.h

@@ -0,0 +1,58 @@
+#pragma once
+#include "stdafx.h"
+#include <vector>
+#include <string>
+#include "srwlock.h"
+
+#define DEFAULT_FLAGS MatchAllOccurences
+
+class CPowerRenameRegEx : public IPowerRenameRegEx
+{
+public:
+    // IUnknown
+    IFACEMETHODIMP  QueryInterface(_In_ REFIID iid, _Outptr_ void** resultInterface);
+    IFACEMETHODIMP_(ULONG) AddRef();
+    IFACEMETHODIMP_(ULONG) Release();
+
+    // IPowerRenameRegEx
+    IFACEMETHODIMP Advise(_In_ IPowerRenameRegExEvents* regExEvents, _Out_ DWORD* cookie);
+    IFACEMETHODIMP UnAdvise(_In_ DWORD cookie);
+    IFACEMETHODIMP get_searchTerm(_Outptr_ PWSTR* searchTerm);
+    IFACEMETHODIMP put_searchTerm(_In_ PCWSTR searchTerm);
+    IFACEMETHODIMP get_replaceTerm(_Outptr_ PWSTR* replaceTerm);
+    IFACEMETHODIMP put_replaceTerm(_In_ PCWSTR replaceTerm);
+    IFACEMETHODIMP get_flags(_Out_ DWORD* flags);
+    IFACEMETHODIMP put_flags(_In_ DWORD flags);
+    IFACEMETHODIMP Replace(_In_ PCWSTR source, _Outptr_ PWSTR* result);
+
+    static HRESULT s_CreateInstance(_Outptr_ IPowerRenameRegEx **renameRegEx);
+
+protected:
+    CPowerRenameRegEx();
+    virtual ~CPowerRenameRegEx();
+
+    void _OnSearchTermChanged();
+    void _OnReplaceTermChanged();
+    void _OnFlagsChanged();
+
+    size_t _Find(std::wstring data, std::wstring toSearch, bool caseInsensitive, size_t pos);
+
+    DWORD m_flags = DEFAULT_FLAGS;
+    PWSTR m_searchTerm = nullptr;
+    PWSTR m_replaceTerm = nullptr;
+
+    CSRWLock m_lock;
+    CSRWLock m_lockEvents;
+
+    DWORD m_cookie = 0;
+
+    struct SMART_RENAME_REGEX_EVENT
+    {
+        IPowerRenameRegExEvents* pEvents;
+        DWORD cookie;
+    };
+
+    _Guarded_by_(m_lockEvents) std::vector<SMART_RENAME_REGEX_EVENT> m_smartRenameRegExEvents;
+
+    long m_refCount = 0;
+};