New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/drape/pointers.cpp

@@ -0,0 +1,64 @@
+#include "drape/pointers.hpp"
+#include "base/logging.hpp"
+
+#if defined(TRACK_POINTERS)
+DpPointerTracker & DpPointerTracker::Instance()
+{
+  static DpPointerTracker pointersTracker;
+  return pointersTracker;
+}
+
+DpPointerTracker::~DpPointerTracker()
+{
+  ASSERT(m_alivePointers.empty(), ());
+}
+
+void DpPointerTracker::RefPtrNamed(void * refPtr, std::string const & name)
+{
+  std::lock_guard<std::mutex> lock(m_mutex);
+  if (refPtr != nullptr)
+  {
+    auto it = m_alivePointers.find(refPtr);
+    if (it != m_alivePointers.end())
+      it->second.first++;
+    else
+      m_alivePointers.insert(make_pair(refPtr, make_pair(1, name)));
+  }
+}
+
+void DpPointerTracker::DestroyPtr(void * p)
+{
+  std::lock_guard<std::mutex> lock(m_mutex);
+  ASSERT(p != nullptr, ());
+  auto it = m_alivePointers.find(p);
+  if (it != m_alivePointers.end())
+  {
+    if (it->second.first != 0)
+    {
+      LOG(LWARNING, ("Drape pointer [", it->second.second, p,
+                     "] was destroyed, but had references, ref count = ",
+                     it->second.first));
+    }
+    m_alivePointers.erase(it);
+  }
+}
+
+void DpPointerTracker::DerefPtr(void * p)
+{
+  std::lock_guard<std::mutex> lock(m_mutex);
+  if (p != nullptr)
+  {
+    auto it = m_alivePointers.find(p);
+    if (it != m_alivePointers.end())
+    {
+      ASSERT(it->second.first > 0, ());
+      it->second.first--;
+    }
+  }
+}
+
+DpPointerTracker::TAlivePointers const & DpPointerTracker::GetAlivePointers() const
+{
+  return m_alivePointers;
+}
+#endif