add logger and some tests

src/hack/logger/logger.hpp

@@ -8,6 +8,8 @@
 #include "hack/iterators/sequence_ostream_iterator.hpp"
 #include "hack/iterators/associative_ostream_iterator.hpp"
 
+#include "hack/patterns/ring_buffer.hpp"
+
 namespace hack
 {
   class log
@@ -133,6 +135,12 @@ namespace hack
         std::cout << data << (count != 0 ? devider : "");
       }
 
+      template<typename T, std::size_t size>
+      static void print_t(const hack::patterns::ring_buffer<T, size>& rb)
+      {
+        print_t(rb.get_src());
+      }
+
       friend class warn;
       friend class error;
   };

src/hack/patterns/ring_buffer.hpp

@@ -1,3 +1,5 @@
+#pragma once
+
 #include <array>
 #include <mutex>
 #include <optional>
@@ -56,41 +58,46 @@ namespace hack::patterns
         return val;
       }
 
-      bool empty() noexcept
+      std::array<T, BUFFER_SIZE>& get_src() const noexcept
+      {
+        return m_data;
+      }
+
+      bool empty() const noexcept
       {
         MUTEX lock(m_mutex);
         return (!m_full && (m_head == m_tail));
       }
 
-    size_t size() noexcept
-    {
-       MUTEX lock(m_mutex);
+      std::size_t size() const noexcept
+      {
+         MUTEX lock(m_mutex);
 
-      std::size_t size;
-      if(!m_full) 
-        size = (m_head >= m_tail) ? m_head - m_tail : BUFFER_SIZE - (m_tail - m_head);
-      else 
-        size = BUFFER_SIZE;
+        std::size_t size;
+        if(!m_full) 
+          size = (m_head >= m_tail) ? m_head - m_tail : BUFFER_SIZE - (m_tail - m_head);
+        else 
+          size = BUFFER_SIZE;
 
-      return size;
-    }
+        return size;
+      }
 
-    void reset() noexcept
-    {
-      MUTEX lock(m_mutex);
-      m_head = m_tail;
-      m_full = false;
-    }
+      void reset() noexcept
+      {
+        MUTEX lock(m_mutex);
+        m_head = m_tail;
+        m_full = false;
+      }
 
-    bool full() const noexcept
-    {
-      return m_full;
-    }
+      bool full() const noexcept
+      {
+        return m_full;
+      }
 
-    std::size_t capacity() const noexcept
-    {
-      return BUFFER_SIZE;
-    }
+      std::size_t capacity() const noexcept
+      {
+        return BUFFER_SIZE;
+      }
 
     private:
       void head_refresh()
@@ -106,8 +113,7 @@ namespace hack::patterns
       std::size_t m_tail{ 0 };
 
     private:
-      std::recursive_mutex m_mutex;
-      std::array<T, BUFFER_SIZE> m_data;
+      mutable std::recursive_mutex m_mutex;
+      mutable std::array<T, BUFFER_SIZE> m_data;
   };
 }
-

src/meson.build

@@ -6,7 +6,7 @@ headers = [
   'hack/iterators/associative_ostream_iterator.hpp',
   'hack/iterators/sequence_ostream_iterator.hpp',
 
-  'hack/log/log.hpp',
+  'hack/logger/logger.hpp',
 
   'hack/mt/algorithms/max.hpp',
   'hack/mt/algorithms/sort.hpp',