Class: CmdLineOptParser

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

Class Method Summary collapse

Class Method Details

.parse(args) ⇒ Object

Return a structure describing the options



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# File 'lib/countloc.rb', line 426

def self.parse(args)
  # The options set on the command line will be collected in "options"
  # Setup the defaults here
  options = {}
  options[:recurse] = false
  options[:quiet] = false
  options[:mode] = :ruby
  options[:defaultMode] = true
  options[:csv] = false
  options[:csvFilename] = 'countloc.csv'
  options[:html] = false
  options[:htmlFilename] = 'countloc.html'
  options[:useUserFileTypes] = false
  
  begin
    OptionParser.new do |opts|
      opts.banner = usage

      opts.on('-r', '--recurse', 'Recurse into subdirectories') do
        options[:recurse] = true
      end

      opts.on('-v', '--version', 'Display version number') do 
        puts "#{File.basename($0)}, version: #{CountLOC::VERSION}"
        exit
      end

      opts.on('-q', '--quiet', "Don't write results to stdout") do 
        options[:quiet] = true
      end

      opts.on('-m', '--mode mode', 
        [:ruby, :python, :c, :cpp, :csharp, :java, :vb], 
        "Set the language mode.", 
        "All languages are used by default",
        "if the mode option is omitted.",
        "Supported modes: ",
        "  ruby, python,", 
        "  c, cpp, csharp,", 
        " java, vb") do |mode|
        options[:mode] = mode
        options[:defaultMode] = false
      end

      opts.on('--csv csvFilename', 'Generate csv file') do |csvFilename|
        options[:csvFilename] = csvFilename
        options[:csv] = true
      end

      opts.on('--html htmlFilename', 'Generate html file') do |htmlFilename|
        options[:htmlFilename] = htmlFilename
        options[:html] = true
      end

      opts.on('--file-types fileTypes', 
        "File types to be included.",
        "Default is dependant upon language mode:",
        "  ruby: *.rb",
        "  python: *.py",
        "  c: *.h, *.c",
        "  cpp: *.h, *.hpp, *.cpp, *.c, *.inl",
        "  csharp: *.cs",
        "  java: *.java",
        "  vb: *.vb",
        "Defaults are overridden using this option.") do |fileTypes|
        options[:fileTypes] = fileTypes.split()
        options[:useUserFileTypes] = true
      end

      opts.on_tail('-h', '--help', 'Display this help and exit') do
        puts opts
        exit
      end

    end.parse!(args)

  rescue
    puts "Error: " + $!.to_s
    exit
  end

  options
end

.usage ⇒ Object 



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# File 'lib/countloc.rb', line 419

def self.usage 
  "Usage: #{File.basename($0)} [-h|--help] [options] <file> ... <file>"
end