Class: ArgParser

Inherits:
Object
  • Object
show all
Includes:
BasicLogging
Defined in:
lib/argparser.rb

Constant Summary

Constants included from BasicLogging

BasicLogging::DEBUG, BasicLogging::ERROR, BasicLogging::FATAL, BasicLogging::INFO, BasicLogging::Levels, BasicLogging::UNKNOWN, BasicLogging::WARN

Instance Attribute Summary

Attributes included from BasicLogging

#log_level, #target

Class Method Summary collapse

Methods included from BasicLogging

is_muted?, #log, mute, #set_level, #set_target

Class Method Details

.parse(args) ⇒ Object

Returns a structure describing the options.



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# File 'lib/argparser.rb', line 29

def self.parse(args)
  # The options specified on the command line will be collected in
  # <b>options</b>.  No defaults. Most options are optional and do not
  # have to be set at all.
  # The others must be named for each transformation or be set in the
  # configuration-file.
  options = OpenStruct.new

  op = OptionParser.new do |opts|
   opts.on("-a", "--add", 'Add new event') do  
      options.add = 'add'
    end

    opts.on("-eEVENT", "--event=EVENT", 'Name of the event') do |ev|
      options.event = ev
    end
    opts.on("-yYEAR", "--year=YEAR", 'Year of the event') do |year|
      options.year = year
    end
    opts.on("-bINFO", "--background=INFO", 'Background information') do  |info|
      options.background = info
    end
    opts.on("-fFILE", "--file=FILE", 'The file that events are read from') do  |file|
      options.file = file
    end
      opts.on("-d", "--debug", 'Be verbose') do  
      options.debug = 'debug'
    end
    opts.on("-v", "--version", 'Show program version') do  
      puts $APPNAME.dup << ", version " << $VERSION
      exit true
    end
 end
  begin
    op.parse!(args)
  rescue OptionParser::ParseError => er
    msg = "ERROR! Unsuitable or incomplete program-arguments" << ": %s" %er.message 
    puts msg
    puts "Start this program with parameter -h or --help to see the usage-message."
    exit false
  end

  options
end