Module: Ripl::Runner::API

Included in:
Ripl::Runner
Defined in:
lib/ripl/runner.rb

Instance Method Summary collapse

Instance Method Details

#format_error(err) ⇒ Object 



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# File 'lib/ripl/runner.rb', line 74

def format_error(err)
  "#{err.class}: #{err.message}\n    #{err.backtrace.join("\n    ")}"
end

#load_rc(file) ⇒ Object 



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# File 'lib/ripl/runner.rb', line 68

def load_rc(file)
  load file if File.exists?(File.expand_path(file))
rescue StandardError, SyntaxError
  warn "ripl: Error while loading #{file}:\n"+ format_error($!)
end

#parse_option(option, argv) ⇒ Object 



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# File 'lib/ripl/runner.rb', line 51

def parse_option(option, argv)
  warn "ripl: invalid option `#{option.sub(/^-+/, '')}'"
end

#parse_options(argv) ⇒ Object 



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# File 'lib/ripl/runner.rb', line 26

def parse_options(argv)
  while argv[0] =~ /^-/
    case argv.shift
    when /-I=?(.*)/
      $LOAD_PATH.unshift(*($1.empty? ? argv.shift.to_s : $1).split(":"))
    when /-r=?(.*)/
      require $1.empty? ? argv.shift.to_s : $1
    when '-d'
      $DEBUG = true
    when '-v', '--version'
      puts Ripl::VERSION; exit
    when '-f'
      ENV['RIPL_IRBRC'] = 'false'
    when '-h', '--help'
      name_max = OPTIONS.map {|e| e[0].length }.max
      desc_max = OPTIONS.map {|e| e[1].length }.max
      puts "Usage: ripl [OPTIONS] [COMMAND] [ARGS]", "\nOptions:",
        OPTIONS.map {|k,v| "  %-*s  %-*s" % [name_max, k, desc_max, v] }
      exit
    when /^(--?[^-]+)/
      parse_option($1, argv)
    end
  end
end

#run(argv = ARGV) ⇒ Object 



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# File 'lib/ripl/runner.rb', line 18

def run(argv=ARGV)
  ENV['RIPLRC'] = 'false' if argv.delete('-F')
  load_rc(Ripl.config[:riplrc]) unless ENV['RIPLRC'] == 'false'
  @run = true
  parse_options(argv)
  argv[0] ? run_command(argv) : start
end

#run_command(argv) ⇒ Object 



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# File 'lib/ripl/runner.rb', line 55

def run_command(argv)
  exec "ripl-#{argv.shift}", *argv
rescue Errno::ENOENT
  raise unless $!.message =~ /No such file or directory.*ripl-(\w+)/
  abort "`#{$1}' is not a ripl command."
end

#start(options = {}) ⇒ Object 



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# File 'lib/ripl/runner.rb', line 62

def start(options={})
  load_rc(Ripl.config[:riplrc]) if !@run && ENV['RIPLRC'] != 'false'
  Ripl.config[:irbrc] = ENV['RIPL_IRBRC'] != 'false' if ENV['RIPL_IRBRC']
  Ripl.shell(options).loop
end