ArgsParser::Validator

# File lib/args_parser/validator.rb, line 6
def initialize
  @validators = []
end

# File lib/args_parser/validator.rb, line 10
def add(name, message, validator)
  name = name.to_sym if name
  validators.push({:name => name, :message => message, :validator => validator})
end

# File lib/args_parser/validator.rb, line 15
def validate(name, value)
  validators.each do |f|
    if !f[:name] or f[:name] == name
      return f[:message] unless f[:validator].call(value)
    end
  end
  nil
end