refactored displays

FlippR-Driver/src/output/items/detail/Display.cpp

@@ -0,0 +1,76 @@
+//
+// Created by rhetenor on 10.10.18.
+//
+
+#include "Display.h"
+#include "utility/config.h"
+
+#include <string>
+#include <algorithm>
+
+namespace flippR_driver
+{
+namespace output
+{
+namespace items
+{
+namespace detail
+{
+
+Display::Display(uint8_t address, uint8_t id) :
+  address(address),
+  id(id)
+{
+  CLOG(INFO, OUTPUT_LOGGER) << "Created display with id " << id << " and address " << address << ".";
+}
+
+uint8_t Display::get_id() const
+{
+  return this->id;
+}
+
+void Display::write_score(unsigned int score, unsigned int length)
+{
+  auto score_string = std::to_string(score);
+
+  fit_score_string(score_string, length);
+
+  write_content(score_string, length);
+}
+
+std::string Display::fit_score_string(std::string &score_string, unsigned int length)
+{
+  auto score_length = score_string.length();
+
+  if (score_length > length)
+  {
+    CLOG(DEBUG, OUTPUT_LOGGER) << "Score too long for display";
+    std::string full_display;
+    // TODO mach mal schöner hier wird 9999 angezeigt wenn die zahl zu groß is
+    return full_display.insert(0, length, '9');
+  }
+
+  score_string.insert(0, length - score_length, '\0');
+  return score_string;
+}
+
+void Display::write_content(std::string content, unsigned int length)
+{
+  if(content.size() > length)
+  {
+    CLOG(WARNING, OUTPUT_LOGGER) << "Cannot write more than " << length << " digits on " << length << "-Digit Display. Truncating!";
+    content = content.substr(0, length);
+  }
+
+  this->content = content;
+}
+
+std::string Display::get_content() const
+{
+  return this->content;
+}
+
+}
+}
+}
+}