text: /*
   * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
   *
   * SPDX-License-Identifier: BSD-2-Clause
   */
  
  #pragma once
  
  #include <AK/HashMap.h>
  #include <AK/RefCounted.h>
  #include <AK/RefPtr.h>
  #include <AK/String.h>
  #include <AK/Vector.h>
  #include <LibGfx/Color.h>
  
  namespace Core {
  
  class ConfigFile : public RefCounted<ConfigFile> {
  public:
      static NonnullRefPtr<ConfigFile> get_for_lib(const String& lib_name);
      static NonnullRefPtr<ConfigFile> get_for_app(const String& app_name);
      static NonnullRefPtr<ConfigFile> get_for_system(const String& app_name);
      static NonnullRefPtr<ConfigFile> open(const String& path);
      ~ConfigFile();
  
      bool has_group(const String&) const;
      bool has_key(const String& group, const String& key) const;
  
      Vector<String> groups() const;
      Vector<String> keys(const String& group) const;
  
      String read_entry(const String& group, const String& key, const String& default_value = String()) const;
      int read_num_entry(const String& group, const String& key, int default_value = 0) const;
      bool read_bool_entry(const String& group, const String& key, bool default_value = false) const;
  
      void write_entry(const String& group, const String& key, const String& value);
      void write_num_entry(const String& group, const String& key, int value);
      void write_bool_entry(const String& group, const String& key, bool value);
      void write_color_entry(const String& group, const String& key, Color value);
  
      void dump() const;
  
      bool is_dirty() const { return m_dirty; }
  
      bool sync();
  
      void remove_group(const String& group);
      void remove_entry(const String& group, const String& key);
  
      String filename() const { return m_filename; }
  
  private:
      explicit ConfigFile(const String& filename);
  
      void reparse();
  
      String m_filename;
      HashMap<String, HashMap<String, String>> m_groups;
      bool m_dirty { false };
  };
  
  }
  