1 files changed, 54 insertions, 0 deletions
diff --git a/ml/BitBufferCounter.h b/ml/BitBufferCounter.h
new file mode 100644
index 000000000..db924d776
--- /dev/null
+++ b/ml/BitBufferCounter.h
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef BIT_BUFFER_COUNTER_H
+#define BIT_BUFFER_COUNTER_H
+
+#include "ml-private.h"
+
+namespace ml {
+
+class BitBufferCounter {
+public:
+    BitBufferCounter(size_t Capacity) : V(Capacity, 0), NumSetBits(0), N(0) {}
+
+    std::vector<bool> getBuffer() const;
+
+    void insert(bool Bit);
+
+    void print(std::ostream &OS) const;
+
+    bool isFilled() const {
+       return N >= V.size();
+    }
+
+    size_t numSetBits() const {
+        return NumSetBits;
+    }
+
+private:
+    inline size_t size() const {
+        return N < V.size() ? N : V.size();
+    }
+
+    inline size_t start() const {
+        if (N <= V.size())
+            return 0;
+
+        return N % V.size();
+    }
+
+private:
+    std::vector<bool> V;
+    size_t NumSetBits;
+
+    size_t N;
+};
+
+} // namespace ml
+
+inline std::ostream& operator<<(std::ostream &OS, const ml::BitBufferCounter &BBC) {
+    BBC.print(OS);
+    return OS;
+}
+
+#endif /* BIT_BUFFER_COUNTER_H */