Class: RRSE::Main

Inherits:
Object
  • Object
show all
Defined in:
lib/rrse/main.rb

Constant Summary collapse

DEFAULT_DIR = 
Pathname(ENV["HOME"]) + ".rrse"
SUBCOMMANDS = 
{
  "setup-config" => RRSE::Command::SetUpConfig,
  "update-db" => RRSE::Command::UpdateDB,
  "install-default-db" =>  RRSE::Command::InstallDefaultDB,
  "standalone-query" => RRSE::Command::StandaloneQuery,
  "pipe-query" => RRSE::Command::PipeQuery,
}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Main

Returns a new instance of Main.



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# File 'lib/rrse/main.rb', line 26

def initialize
  @rrse_dir = DEFAULT_DIR
end

Class Method Details

.show_help ⇒ Object 



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# File 'lib/rrse/main.rb', line 22

def self.show_help
  print(self.new.options.help)
end

Instance Method Details

#list_subcommand ⇒ Object 



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# File 'lib/rrse/main.rb', line 56

def list_subcommand
  SUBCOMMANDS.map{|key, command_class|
    "  #{key.ljust(20)}#{command_class.short_description}"
  }.join("\n")
end

#options ⇒ Object 



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# File 'lib/rrse/main.rb', line 30

def options
  opts = OptionParser.new
  opts.program_name = "RRSE"
  opts.version = RRSE::VERSION
  opts.banner = <<EOS
Usage: rrse [global-options] subcommand ...

Subcommands:
#{list_subcommand}

Global Options:
EOS
  opts.on("-d DIR", "rrse directory (default: #{DEFAULT_DIR})") do|dir|
    @rrse_dir = Pathname(dir)
  end
  opts
end

#run(argv) ⇒ Object 



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# File 'lib/rrse/main.rb', line 48

def run(argv)
  self.options.order!(argv)
  subcommand = argv.shift

  SUBCOMMANDS.fetch(subcommand, RRSE::Command::Unknown).new(@rrse_dir).run(argv)
end