Class: Monorail::ControllerGenerator

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

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ControllerGenerator

Returns a new instance of ControllerGenerator.



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# File 'lib/monorail/congen.rb', line 39

def initialize
end

Instance Method Details

#generate_controller ⇒ Object 



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# File 'lib/monorail/congen.rb', line 89

def generate_controller
  cont = @options.controller
  unless cont and cont.length > 0
    puts "No controller specified, exiting."
    puts "For help: monorail controller --help"
    exit
  end

  if cont =~ /[^\w\d]/
    puts "Illegal characters in controller name, exiting."
    puts "For help: monorail controller --help"
    exit
  end

  path = File.expand_path( @options.dir )
  puts "Generating controller: #{cont}"
  puts "         in directory: #{path}"

  target = File.join( path, "c", cont )

  if File.exist?(target) || File.exist?(target+".rb")
    r = Readline.readline( "*** Controller #{cont} already exists. Erase it [yN]? " )
    unless r =~ /\Ay/i
      puts "Controller not re-generated, exiting."
      exit
    end

    puts "Erasing existing controller and re-generating"
    FileUtils.rm( target + ".rb" )
    FileUtils.rm_rf( target )
  end

  File.open( target + ".rb", "w" ) do |f|
    f.write <<EOF
# Monorail controller #{cont}
# Generated #{Time.now}

module Controller_#{cont}

def index
  "---Monorail: #{cont}---"
end

end
EOF
  end

 FileUtils.mkdir target

  puts "Generated controller #{cont}"
end

#parse_arguments ⇒ Object 



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# File 'lib/monorail/congen.rb', line 49

def parse_arguments
  @options = OpenStruct.new
  @options.dir = '.'
  @options.erase = false
  @options.controller = nil

  opts = OptionParser.new {|opts|
    opts.banner = "Usage: monorail controller [options] [controller-name]"

    opts.separator ""
    opts.separator "Options summary:"

    opts.on("-d", "--dir [DIR]", "generate a monorail controller in directory",
          "     default: the current directory") do |d|
      @options.dir = d
    end

    # Options summary
    opts.on_tail("-h", "--help", "Show this message") {
      puts opts
      exit
    }

    # Version
    opts.on_tail("--version", "Show version") {
      puts Version
      exit
    }


  }

  opts.parse!(ARGV)
  @options.controller = ARGV.shift


end

#run ⇒ Object 



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# File 'lib/monorail/congen.rb', line 43

def run
  parse_arguments
  generate_controller
end