Class: Peeek::CLI

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

Defined Under Namespace

Modules: EncodingOptions Classes: Help, Options

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input, output, argv) ⇒ CLI

Initialize the CLI object.

Parameters:

  • input (IO) —

    source to input

  • output (IO) —

    destination to output the execution result

  • argv (Array<String>) —

    arguments that is given from command line



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# File 'lib/peeek/cli.rb', line 12

def initialize(input, output, argv)
  @input   = input
  @output  = output
  @options = Options.new(argv)
rescue Help => e
  output.puts(e.message)
  exit
end

Instance Attribute Details

#options ⇒ Peeek::CLI::Options (readonly)

Returns options to run from CLI.

Returns:



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

def options
  @options
end

Instance Method Details

#run(binding) ⇒ Peeek::Calls

Run the command or the program file with a binding. And capture calls that raised when running it.

Parameters:

  • binding (Binding) —

    context that runs the command or the program file

Returns:



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# File 'lib/peeek/cli.rb', line 30

def run(binding)
  if Options.encoding_options_enabled?
    Encoding.default_external = @options.external_encoding
    Encoding.default_internal = @options.internal_encoding
  end

  $DEBUG   = @options.debug
  $VERBOSE = @options.verbose

  Dir.chdir(@options.working_directory) if @options.working_directory
  $LOAD_PATH.unshift(*@options.directories_to_load)
  @options.required_libraries.each(&method(:require))

  hook_targets = materialize_hook_targets(binding)
  process = setup_to_execute(binding)

  @output.puts("peeek-#{VERSION}") if @options.version_requested?

  original_stdout = $stdout
  $stdout = @output

  begin
    Peeek.capture(hook_targets, &process)
  rescue => e
    e.set_backtrace(e.backtrace.reject { |line| line =~ %r{lib/peeek} })
    raise e
  ensure
    $stdout = original_stdout
  end
end