1 files changed, 50 insertions, 0 deletions

@@ -0,0 +1,50 @@
+#ifndef PROGRESS_H_A34EF856
+#define PROGRESS_H_A34EF856
+
+#include <string>
+
+class progress {
+  private:
+    std::string message;
+    int total;
+    int cur = 0;
+    int lprint = 0;
+    
+  public:
+    progress(std::string message, int total) : message(message), total(total)
+    {
+      std::cout << message << "   0%" << std::flush;
+    }
+    
+    void update(int val)
+    {
+      if (val <= total)
+      {
+        cur = val;
+      } else {
+        cur = total;
+      }
+      
+      int pp = cur * 100 / total;
+      if (pp != lprint)
+      {
+        lprint = pp;
+      
+        std::cout << "\b\b\b\b" << std::right;
+        std::cout.width(3);
+        std::cout << pp << "%" << std::flush;
+      }
+    }
+    
+    void update()
+    {
+      update(cur+1);
+    }
+    
+    ~progress()
+    {
+      std::cout << "\b\b\b\b100%" << std::endl;
+    }
+};
+
+#endif /* end of include guard: PROGRESS_H_A34EF856 */