Class: Slackware::Args

Inherits:
Object
  • Object
show all
Defined in:
lib/slackware/args.rb

Overview

Args is the unified arguement parser for the slack-utils utilities.

Class Method Summary collapse

Class Method Details

.parse(args, flags = nil, banner = nil) ⇒ Object 



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# File 'lib/slackware/args.rb', line 28

def self.parse(args,flags = nil, banner = nil)
  flags = [] unless flags.is_a?(Array)
  options = {}

  opts = OptionParser.new do |opts|
    if banner
      opts.banner = banner
    end
    if flags.include?(:color)
      opts.on("-c", "--color", "Colorize output") do |o|
        options[:color] = o
      end
    end
    if flags.include?(:epoch)
      opts.on("-e", "--epoch", "Print the time stamp in seconds since 1970-01-01 00:00:00 UTC ") do |o|
        options[:epoch] = o
      end
    end
    if flags.include?(:pkg_name)
      opts.on("-p", "--pkg [NAME]", "Package PKGNAME (loose match)") do |o|
        options[:pkg] = o
      end
    end
    if flags.include?(:pkg_version)
      opts.on("-V", "--Version [VERSION]", "Package VERSION (loose match)") do |o|
        options[:version] = o
      end
    end
    if flags.include?(:pkg_arch)
      opts.on("-a", "--arch [ARCH]", "Package ARCH (exact match)") do |o|
        options[:arch] = o
      end
    end
    if flags.include?(:pkg_build)
      opts.on("-b", "--build [BUILD]", "Package BUILD (exact match)") do |o|
        options[:build] = o
      end
    end
    if flags.include?(:pkg_tag)
      opts.on("-t", "--tag [TAG]", "Package TAG (loose match)") do |o|
        options[:tag] = o
      end
    end
    if flags.include?(:case_insensitive)
      opts.on("-i", "When searching, do a case insensitive match") do |o|
        options[:case_insensitive] = o
      end
    end
    if flags.include?(:force_all)
      opts.on("-f", "--force", "force me to show all files") do |o|
        options[:force] = o
      end
    end
    if flags.include?(:debug)
      opts.on("-D", "--debug", "show debugging output") do |o|
        options[:debug] = o
      end
    end

    opts.on("-v", "--version", "Display version of this software") do |o|
      printf("slack-utils version: %s, Slackware version: %s\n",
               Slackware::UTILS_VERSION,
               Slackware::System.version
            )
      exit(0)
    end
  end

  begin
    opts.parse!
    return options
  rescue OptionParser::InvalidOption => ex
    $stderr.write("ERROR: #{e.message}, see --help\n")
    exit(1)
  end
end