Class: Btape::CLI

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

Overview

Entry point invoked by the btape executable: parses argv, runs the script, and reports success or failure.

Defined Under Namespace

Classes: Options

Constant Summary collapse

USAGE = 
'Usage: btape [options] SCRIPT.tape'
HELP_ARGUMENTS = 
%w[help -h --help].freeze
HELP_COMMANDS = 
Parser::SIGNATURES.map { |name, arguments| "#{name} #{arguments}".strip }.freeze
GENERATE = 
'generate'
WS_URL_KEYS =

The two ways a flag can name a browser: --ws-url and --set WsUrl=.

[:ws_url, 'WsUrl'].freeze

Instance Method Summary collapse

Constructor Details

#initialize(out: $stdout, err: $stderr, stdin: $stdin, runner: nil, generator: nil) ⇒ CLI

The runner is built after the flags are read, so that --verbose can reach it. Pass one to use it as given.



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# File 'lib/btape/cli.rb', line 23

def initialize(out: $stdout, err: $stderr, stdin: $stdin, runner: nil, generator: nil)
  @out = out
  @err = err
  @stdin = stdin
  @runner = runner
  @generator = generator
end

Instance Method Details

#run(argv) ⇒ Object 



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# File 'lib/btape/cli.rb', line 31

def run(argv)
  return generate(argv.drop(1)) if argv.first == GENERATE

  options = Options.new(false, {}, nil, false)
  arguments = parse_options(argv, options)
  return print_help if options.help || arguments.empty? || HELP_ARGUMENTS.include?(arguments.first)
  raise Error, USAGE unless arguments.length == 1

  record(arguments.first, options)
  0
rescue Error, SystemCallError => e
  @err.puts "btape: #{e.message}"
  1
end