string_interning.hpp

// By Emil Ernerfeldt 2014-2016
// LICENSE:
//   This software is dual-licensed to the public domain and under the following
//   license: you are granted a perpetual, irrevocable license to copy, modify,
//   publish, and distribute this file as you see fit.
// HISTORY:
//   Created in 2014 for Ghostel
//   Moved into emilib in 2016

#pragma once

#include <string>
#include <unordered_map>

namespace emilib {

class StringInterner
{
public:
    ~StringInterner();

    const char* intern(const std::string& str);

private:
    std::unordered_map<std::string, char*> _map;
};

const char* intern_string(const std::string& str);

} // namespace emilib