Module: CommandParser

Defined in:
lib/cli/command_parser.rb

Defined Under Namespace

Classes: ParseError

Class Method Summary collapse

Class Method Details

.parse_options(args) ⇒ Object

Public: Parse options and creates an array of hash data for each.

args - An Array of options and parameters to parse.

Examples

CommandParser::parse_options "--directory lib/ migrations/ --adapter MySqlPlug"
# => [{ option: 'directory', option_args: ["lib/", "migrations/"] }, { option: 'adapter', option_args: ["MySqlPlug"] }]

Returns a parsed array.



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# File 'lib/cli/command_parser.rb', line 12

def self.parse_options(args)
  parsed = []
  last_option = ""
  args.each do |chunk|
    if chunk[/^-*/].empty?
      raise CommandParser::ParseError.new("Arguments given but no option has been specified.") if last_option.empty?
      cur_cmd = parsed.last
      cur_cmd[:options_args] ||= []
      cur_cmd[:options_args] << chunk
    else
      parsed << { option: chunk.sub(/^-*/, '') } and last_option = chunk
    end
  end
  parsed
end