class ReplRunner

# File lib/repl_runner.rb, line 49
def known_configs
  @known_configs ||= {}
end

# File lib/repl_runner.rb, line 26
def initialize(cmd_type, command = nil, options = {})
  raise "Unexpected block, use the `run` command instead?" if block_given?
  command  = cmd_type.to_s if command.nil?
  cmd_type = cmd_type.chomp.gsub(/\s/, '_').to_sym if cmd_type.is_a?(String)
  @command = command
  @repl    = nil
  @config  = get_config_for_command(cmd_type)
  raise UnregisteredCommand.new(cmd_type) unless @config
  @options = options
end

# File lib/repl_runner.rb, line 53
def register_command(*commands, &block)
  config = Config.new(commands)
  commands.each do |command|
    known_configs[command] = config
  end
  yield config
end

# File lib/repl_runner.rb, line 67
def close
  repl.close
end

# File lib/repl_runner.rb, line 37
def get_config_for_command(cmd_type)
  known_configs.detect do |cmd_match, config|
    return config if cmd_match == cmd_type
    return config if cmd_match.is_a?(Regexp) && cmd_match =~ cmd_type.to_s
  end
end

# File lib/repl_runner.rb, line 44
def known_configs
  self.class.known_configs
end

# File lib/repl_runner.rb, line 82
def run(&block)
  repl = start
  yield repl
  repl.execute
ensure
  close if repl
end

# File lib/repl_runner.rb, line 63
def start
  @repl = MultiRepl.new(command, @config.to_options.merge(@options))
end

# File lib/repl_runner.rb, line 71
def zip(string)
  results = []
  inputs  = string.lines.map(&:rstrip)
  self.run do |repl|
    inputs.each do |line|
      repl.run(line) {|result| results << result }
    end
  end
  inputs.zip(results)
end