Class: Config

Inherits:
Object
  • Object
show all
Defined in:
lib/config.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Config

Returns a new instance of Config.



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# File 'lib/config.rb', line 4

def initialize(options = {})
  filepath = options[:file] || 'autoexec.cfg'
  init_configs
  load_cfg(filepath)
end

Instance Method Details

#init_configs ⇒ Object 



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# File 'lib/config.rb', line 10

def init_configs
  @configs = {
    password: { help: 'Password to the server', default: '' }
  }
  @commands = {
    echo: { help: 'Echo the text', callback: proc { |arg| puts arg } },
    quit: { help: 'Quit', callback: proc { |_| exit } }
  }
  @configs.each do |cfg, data|
    self.class.send(:attr_accessor, cfg)
    instance_variable_set("@#{cfg}", data[:default])
  end
end

#load_cfg(file) ⇒ Object 



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# File 'lib/config.rb', line 24

def load_cfg(file)
  return unless File.exist?(file)

  File.readlines(file).each_with_index do |line, line_num|
    line.strip!
    next if line.start_with? '#'
    next if line.empty?

    words = line.split
    cmd = words.shift.to_sym
    arg = words.join(' ')
    if @configs[cmd]
      instance_variable_set("@#{cmd}", arg)
    elsif @commands[cmd]
      @commands[cmd][:callback].call(arg)
    else
      puts "Warning: unsupported config '#{cmd}' #{file}:#{line_num}"
    end
  end
end