Class: RubyIt::RubyItOptions

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

Class Method Summary collapse

Class Method Details

.parse(args) ⇒ Object

Return a structure describing the options.



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# File 'lib/ruby_it/ruby_it_options.rb', line 12

def self.parse(args)
  # The options specified on the command line will be collected in *options*.
  # We set default values here.
  options = OpenStruct.new

  $verbose                = false
  options.version         = RubyIt::VERSION
  options.output_path     = ''

  ## Order of Precedence 
  #Commandline overrides Data file

  options.data            = Array.new
  options.parameters      = Array.new

  options.output_filename = ''
  options.filelist        = Array.new



  opts = OptionParser.new do |opts|
    opts.banner = "Usage: #{__FILE__} [options] -p ../generated/ -f ../templates/input.rhtml
     Multiple -c, -p, -o and -f may be used but -f will use preceding -p and -o options"

    opts.separator ""
    opts.separator "Common options:"

    # No argument, shows at tail.  This will print an options summary.
    opts.on("-h", "--help", "Show this message") do
      puts opts
      exit
    end

    # Another typical switch to print the version.
    opts.on("--version", "Show version") do
      #puts OptionParser::Version.join('.')
      puts "Version " + options.version
      exit
    end

    # Specify Input Templates
    opts.on("-f", "--file input_filename", String, "Input source file to evaluate") do |input_filename|
      
      # TODO How to insert command line parameters (options.parameters)

      options.input_filename = input_filename

      temp =  RubyIt::Document.new(input_filename, options.output_filename, options.output_path)
      temp.add_parameter( options.parameters )
      
      options.filelist << temp
      # Setting the output_filename is only valid for one input file
      options.output_filename = ""
    end

    opts.separator ""
    opts.separator "Specific options:"

    # Control Verbosity
    opts.on("-v", "--[no-]verbose", "Run Verbosely") do |v|
      $verbose = v
    end
    opts.on("-q", "--quiet", "Run Quiet, not Verbose") do |v|
      $verbose = 0
    end

    # Specify command line arguments ie --parameter @hellos=3
    opts.on("--parameter param", String, "Command line parameters (Override data file settings)") do |param|
      pp param
      options.parameters << param
    end

    # Specify Config Files
    opts.on("-c", "--config config_data", String, "Load Config File") do |data|
      options.data << data
    end


    # Specify Output path if not the same as input
    opts.on("-p", "--outpath output_path", String, "Redirect generated file output") do |path|
      options.output_path = path
    end

    # Rename output if different from input
    opts.on("-o", "--out output_filename", String, "Define different generated filename from source file") do |new_name|
      options.output_filename = new_name
    end


  end

  options.leftovers = opts.parse!(args)
  options
end