[PowerRename]Add random string values to file names (#32836)

* Add randomizer cheat sheet texts to UI tooltip

* Add randomizer icon (shuffle) + hint to main window

* Add randomizer logic + helpers, regex parsing

* Fix: remove unnecessary throw

* Fix: remove todo comment

* Fix: iffing logic

* Fix: add offset to randomizer onchange

* Update: guid generating to single function, handle bracket removing there

* Update: toggle off enum feat when random values are selected

* Update: main window UI tooltip texts to be more descriptive

* Update: remove unnecessary sstream include

* Fix: return empty string if chars has no value to avoid memory access violation

* Add unit tests

* Add PowerRename random string generating keywords

* Update: generating value names to be in line with POSIX conventions

* Allow to used with Enumerate at the same time

* Fix spellcheck

* Fix tests to take into account we no longer eat up empty expressions
with randomizer

---------

Co-authored-by: Jaime Bernardo <jaime@janeasystems.com>

src/modules/powerrename/lib/PowerRenameRegEx.h

@@ -3,6 +3,9 @@
 #include "srwlock.h"
 
 #include "Enumerating.h"
+
+#include "Randomizer.h"
+
 #include "PowerRenameInterfaces.h"
 
 #define DEFAULT_FLAGS 0
@@ -38,7 +41,7 @@ protected:
     void _OnReplaceTermChanged();
     void _OnFlagsChanged();
     void _OnFileTimeChanged();
-    HRESULT _OnEnumerateItemsChanged();
+    HRESULT _OnEnumerateOrRandomizeItemsChanged();
 
     size_t _Find(std::wstring data, std::wstring toSearch, bool caseInsensitive, size_t pos);
 
@@ -59,6 +62,9 @@ protected:
     std::vector<Enumerator> m_enumerators;
     std::vector<int32_t> m_replaceWithEnumeratorOffsets;
 
+    std::vector<Randomizer> m_randomizer;
+    std::vector<int32_t> m_replaceWithRandomizerOffsets;
+
     struct RENAME_REGEX_EVENT
     {
         IPowerRenameRegExEvents* pEvents;