Class: Johnson::CLI::Options

Inherits:
Object
  • Object
show all
Defined in:
lib/johnson/cli/options.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Options

Returns a new instance of Options.



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# File 'lib/johnson/cli/options.rb', line 17

def initialize(*args)
  @arguments = []
  @expressions = []
  @load_paths = []
  @files_to_preload = []
  @paths_to_require = []

  argv = args.flatten
  
  if index = argv.index("--")
    @arguments = argv[(index+1)..-1]
    argv = argv[0..index]
  end

  parser = OptionParser.new do |parser|
    parser.banner = "Usage: johnson [options] [file.js...] [-- jsargs...]"
    parser.version = Johnson::VERSION

    parser.on("-e [EXPRESSION]", "Evaluate [EXPRESSION] and exit") do |expression|
      @expressions << expression
    end

    parser.on("-I [DIRECTORY]", "Specify $LOAD_PATH directories") do |dir|
      @load_paths << dir
    end

    parser.on("-i [FILE]", "Evaluate [FILE] before interaction") do |file|
      @files_to_preload << file
    end
    
    parser.on("-r [PATH]", "Require [PATH] before executing") do |path|
      @paths_to_require << path
    end

    parser.on("-h", "-?", "--help", "Show this message") do
      puts parser
      exit
    end

    parser.on("-v", "--version", "Show Johnson's version (#{Johnson::VERSION})") do
      puts Johnson::VERSION
      exit
    end  
  end
  
  parser.parse!(argv)
  @files_to_evaluate = argv.dup
end

Instance Attribute Details

#arguments ⇒ Object (readonly)

Returns the value of attribute arguments.



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# File 'lib/johnson/cli/options.rb', line 10

def arguments
  @arguments
end

#expressions ⇒ Object (readonly)

Returns the value of attribute expressions.



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# File 'lib/johnson/cli/options.rb', line 11

def expressions
  @expressions
end

#files_to_evaluate ⇒ Object (readonly)

Returns the value of attribute files_to_evaluate.



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# File 'lib/johnson/cli/options.rb', line 13

def files_to_evaluate
  @files_to_evaluate
end

#files_to_preload ⇒ Object (readonly)

Returns the value of attribute files_to_preload.



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# File 'lib/johnson/cli/options.rb', line 12

def files_to_preload
  @files_to_preload
end

#load_paths ⇒ Object (readonly)

Returns the value of attribute load_paths.



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# File 'lib/johnson/cli/options.rb', line 14

def load_paths
  @load_paths
end

#paths_to_require ⇒ Object (readonly)

Returns the value of attribute paths_to_require.



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# File 'lib/johnson/cli/options.rb', line 15

def paths_to_require
  @paths_to_require
end