StringRegistry.h

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#pragma once
#include "basic/Str.h"
 
namespace tiny_dlna {
/***
 * @brief Make sure that a string is stored only once
 * @author Phil Schatzmann
 */
class StringRegistry {
 public:
  const char* add(char* in) {
    for (auto str : strings) {
      if (str.equals(in)) {
        return str.c_str();
      }
    }
    strings.push_back(in);
    return strings[strings.size() - 1].c_str();
  }
 
  void clear() { strings.clear(); }
 
  size_t count() { return strings.size();}
 
  size_t size() {
    size_t total = 0;
    for (auto &str : strings){
      total += str.length();
    }
    return total;
  }
 
 protected:
  Vector<Str> strings;
};
 
}  // namespace tiny_dlna