Class: Safebox::CLI

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

Instance Method Summary collapse

Constructor Details

#initialize(defaults = {}) ⇒ CLI

Returns a new instance of CLI.


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# File 'lib/safebox/cli.rb', line 8

def initialize(defaults = {})
  @options = defaults
  @commands = {
    list:   [nil, "Lists all keys and their values"],
    get:    ["KEY", "Prints the given key to STDOUT"],
    set:    ["KEY=VALUE [KEY=VALUE...]", "Sets the value of the given keys"],
    delete: ["KEY [KEY...]", "Delete the given keys"],
  }

  indent = " " * 4
  @parser = OptionParser.new do |opts|
    opts.banner = "Usage: safebox [options] [command]"
    opts.version = Safebox::VERSION

    opts.separator ""
    opts.separator "Commands:"

    width = 33
    @commands.each do |command, (arguments, description)|
      command = "#{command} #{arguments}"
      opts.separator indent + command.ljust(width) + description
    end

    opts.separator ""
    opts.separator "Common options:"
    opts.separator indent + "-h, --help"
    opts.separator indent + "-v, --version"
    opts.on("-f", "--file [SAFEBOX]", "Safebox file (safe.box)") do |file|
      @options[:file] = file
    end
  end
end

Instance Method Details

#delete(*args) ⇒ Object 


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# File 'lib/safebox/cli.rb', line 70

def delete(*args)
  did_change = false
  args.each do |key|
    did_change = true if hash.has_key?(key)
    hash.delete(key)
  end
  safebox.write(hash) if did_change
end

#file ⇒ Object 


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# File 'lib/safebox/cli.rb', line 83

def file
  @options[:file] or "./safe.box"
end

#get(key) ⇒ Object 


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# File 'lib/safebox/cli.rb', line 56

def get(key)
  $stdout.print hash.fetch(key) { Kernel.abort "no such key: #{key}" }
  $stdout.puts if $stdout.tty?
end

#list ⇒ Object 


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# File 'lib/safebox/cli.rb', line 50

def list
  hash.each do |key, value|
    $stdout.puts "#{key}=#{value}"
  end
end

#run(*argv) ⇒ Object 


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# File 'lib/safebox/cli.rb', line 41

def run(*argv)
  command, *args = @parser.parse!(argv)

  if command and @commands.include?(command.to_sym)
    public_send(command, *args)
    true
  end
end

#set(*args) ⇒ Object 


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# File 'lib/safebox/cli.rb', line 61

def set(*args)
  args.each do |arg|
    key, value = arg.split("=", 2)
    hash[key] = value
  end

  safebox.write(hash)
end

#to_s ⇒ Object 


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# File 'lib/safebox/cli.rb', line 79

def to_s
  @parser.to_s
end