Class: ArgumentParser

Inherits:
Object
  • Object
show all
Defined in:
lib/shellutils/argument_parser.rb

Instance Method Summary collapse

Constructor Details

#initialize(commands) ⇒ ArgumentParser

Returns a new instance of ArgumentParser.



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# File 'lib/shellutils/argument_parser.rb', line 3

def initialize commands
  @commands = commands
end

Instance Method Details

#parse(params) ⇒ Object 



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# File 'lib/shellutils/argument_parser.rb', line 7

def parse params
  params[0] = params[0] ? params[0].downcase : 'help'
  command_name = params[0]
  command_executed = false
  @commands.each do |command|
    if command.accepts_shell_command?(command_name) 
      command.execute_from_shell params
      command_executed = true
    end
  end
  if not command_executed and command_name == "spec"
    # 'spec" is for testing purpose only: do nothing special
  elsif not command_executed
    raise ShellArgumentException.new command_name
  end
end