Class: Aspera::Cli::Manager

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

Overview

parse command line options arguments options start with '-', others are commands resolves on extended value syntax

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(program_name, argv = nil) ⇒ Manager

Returns a new instance of Manager.

Parameters:

  • program_name (String) —

    Name of the program

  • argv (Array<String>, nil) (defaults to: nil) —

    Command line arguments to parse



246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
 
# File 'lib/aspera/cli/manager.rb', line 246

def initialize(program_name, argv = nil)
  # command line values *not* starting with '-'
  @unprocessed_cmd_line_arguments = []
  # command line values starting with at least one '-'
  @unprocessed_cmd_line_options = []
  # a copy of all initial options
  @initial_cli_options = []
  # Option descriptions: maps option symbol to its OptionValue descriptor
  # @type [Hash{Symbol => OptionValue}]
  @declared_options = {}
  # do we ask missing options and arguments to user ?
  @ask_missing_mandatory = false # STDIN.isatty
  # ask optional options if not provided and in interactive
  @ask_missing_optional = false
  # get_option fails if a mandatory parameter is asked
  @fail_on_missing_mandatory = true
  # Array of [key(sym), value]
  # those must be set before parse
  # parse consumes those defined only
  @option_pairs_batch = {}
  @option_pairs_env = {}
  # NOTE: was initially inherited but it is preferred to have specific methods
  @parser = OptionParser.new
  @parser.program_name = program_name
  # options can also be provided by env vars : --param-name -> ASCLI_PARAM_NAME
  env_prefix = program_name.upcase + OPTION_SEP_SYMBOL
  ENV.each do |k, v|
    @option_pairs_env[k.delete_prefix(env_prefix).downcase.to_sym] = v if k.start_with?(env_prefix)
  end
  Log.log.debug{"env=#{@option_pairs_env}".red}
  @unprocessed_cmd_line_options = []
  @unprocessed_cmd_line_arguments = []
  return if argv.nil?
  # true until `--` is found (stop options)
  process_options = true
  until argv.empty?
    value = argv.shift
    if process_options && value.start_with?('-')
      Log.log.trace1{"opt: #{value}"}
      if value.eql?(OPTIONS_STOP)
        process_options = false
      else
        @unprocessed_cmd_line_options.push(value)
      end
    else
      Log.log.trace1{"arg: #{value}"}
      @unprocessed_cmd_line_arguments.push(value)
    end
  end
  @initial_cli_options = @unprocessed_cmd_line_options.dup.freeze
  Log.log.trace1{"add_cmd_line_options:commands/arguments=#{@unprocessed_cmd_line_arguments},options=#{@unprocessed_cmd_line_options}".red}
  @parser.separator('')
  @parser.separator('OPTIONS: global')
  declare(:interactive, 'Use interactive input of missing params', allowed: Allowed::TYPES_BOOLEAN, handler: {o: self, m: :ask_missing_mandatory})
  declare(:ask_options, 'Ask even optional options', allowed: Allowed::TYPES_BOOLEAN, handler: {o: self, m: :ask_missing_optional})
  # do not parse options yet, let's wait for option `-h` to be overridden
end

Instance Attribute Details

#ask_missing_mandatory ⇒ Object

Returns the value of attribute ask_missing_mandatory.



241
242
243
 
# File 'lib/aspera/cli/manager.rb', line 241

def ask_missing_mandatory
  @ask_missing_mandatory
end

#ask_missing_optional ⇒ Object

Returns the value of attribute ask_missing_optional.



241
242
243
 
# File 'lib/aspera/cli/manager.rb', line 241

def ask_missing_optional
  @ask_missing_optional
end

#fail_on_missing_mandatory=(value) ⇒ Object (writeonly)

Sets the attribute fail_on_missing_mandatory

Parameters:

  • value —

    the value to set the attribute fail_on_missing_mandatory to.



242
243
244
 
# File 'lib/aspera/cli/manager.rb', line 242

def fail_on_missing_mandatory=(value)
  @fail_on_missing_mandatory = value
end

#parser ⇒ Object (readonly)

Returns the value of attribute parser.



240
241
242
 
# File 'lib/aspera/cli/manager.rb', line 240

def parser
  @parser
end

Class Method Details

.get_from_list(short_value, descr, allowed_values) ⇒ Object

Find shortened string value in allowed symbol list



200
201
202
203
204
205
206
207
208
209
210
 
# File 'lib/aspera/cli/manager.rb', line 200

def get_from_list(short_value, descr, allowed_values)
  Aspera.assert_type(short_value, String)
  # we accept shortcuts
  matching_exact = allowed_values.select{ |i| i.to_s.eql?(short_value)}
  return matching_exact.first if matching_exact.length == 1
  matching = allowed_values.select{ |i| i.to_s.start_with?(short_value)}
  Aspera.assert(!matching.empty?, multi_choice_assert_msg("unknown value for #{descr}: #{short_value}", allowed_values), type: BadArgument)
  Aspera.assert(matching.length.eql?(1), multi_choice_assert_msg("ambiguous shortcut for #{descr}: #{short_value}", matching), type: BadArgument)
  return BoolValue.true?(matching.first) if allowed_values.eql?(BoolValue::ALL)
  matching.first
end

.multi_choice_assert_msg(error_msg, accept_list) ⇒ Object

Generates error message with list of allowed values

Parameters:

  • error_msg (String) —

    Error message

  • accept_list (Array<Symbol>) —

    List of allowed values



215
216
217
 
# File 'lib/aspera/cli/manager.rb', line 215

def multi_choice_assert_msg(error_msg, accept_list)
  [error_msg, 'Use:', *accept_list.map{ |choice| "- #{choice}"}.sort].join("\n")
end

.option_line_to_name(name) ⇒ String

Change option name with dash to name with underscore

Parameters:

  • name (String) —

    option name

Returns:



222
223
224
 
# File 'lib/aspera/cli/manager.rb', line 222

def option_line_to_name(name)
  name.gsub(OPTION_SEP_LINE, OPTION_SEP_SYMBOL)
end

.option_name_to_line(name) ⇒ Object 



226
227
228
 
# File 'lib/aspera/cli/manager.rb', line 226

def option_name_to_line(name)
  "#{OPTION_PREFIX}#{name.to_s.gsub(OPTION_SEP_SYMBOL, OPTION_SEP_LINE)}"
end

.percent_selector(identifier) ⇒ Hash{Symbol => String}?

Returns {field:,value:} if identifier is a percent selector, else nil.

Returns:

  • (Hash{Symbol => String}, nil) —

    {field:,value:} if identifier is a percent selector, else nil



231
232
233
234
235
236
237
 
# File 'lib/aspera/cli/manager.rb', line 231

def percent_selector(identifier)
  Aspera.assert_type(identifier, String)
  if (m = identifier.match(REGEX_LOOKUP_ID_BY_FIELD))
    return {field: m[1], value: ExtendedValue.instance.evaluate(m[2], context: "percent selector: #{m[1]}")}
  end
  nil
end

Instance Method Details

#add_option_preset(preset_hash, where, override: true) ⇒ Object

Adds each of the keys of specified hash as an option

Parameters:

  • preset_hash (Hash) —

    Options to add

  • where (String) —

    Where the value comes from

  • override (Boolean) (defaults to: true) —

    Override if already present



516
517
518
519
520
521
522
523
 
# File 'lib/aspera/cli/manager.rb', line 516

def add_option_preset(preset_hash, where, override: true)
  Aspera.assert_type(preset_hash, Hash)
  Log.log.debug{"add_option_preset: #{preset_hash}, #{where}, #{override}"}
  preset_hash.each do |k, v|
    option_symbol = k.to_sym
    @option_pairs_batch[option_symbol] = v if override || !@option_pairs_batch.key?(option_symbol)
  end
end

#add_types_info(types) ⇒ String

Add a type to the message if not special types

Parameters:

  • types (Array<Class>) —

    types to add

Returns:

  • (String) —

    Types if relevant



307
308
309
310
 
# File 'lib/aspera/cli/manager.rb', line 307

def add_types_info(types)
  return '' if !types || types.empty? || types.eql?(Allowed::TYPES_ENUM) || types.eql?(Allowed::TYPES_BOOLEAN) || types.eql?(Allowed::TYPES_STRING)
  " (#{types.map(&:name).join(', ')})"
end

#args_as_extended(end_marker) ⇒ Hash, Array

Read remaining args and build an Array or Hash

Parameters:

  • value (String) —

    Argument to @: extended value

Returns:

  • (Hash, Array) —

    Object representing dot-path values



673
674
675
676
677
678
679
680
681
682
683
684
 
# File 'lib/aspera/cli/manager.rb', line 673

def args_as_extended(end_marker)
  # This extended value does not take args (`@:`)
  # ExtendedValue.assert_no_value(end_marker, :p)
  end_marker = SpecialValues::EOA if end_marker.empty?
  result = nil
  get_next_argument('args', multiple: end_marker).each do |argument|
    Aspera.assert(argument.include?(OPTION_VALUE_SEPARATOR)){"Positional argument: #{argument} does not include #{OPTION_VALUE_SEPARATOR}"}
    path, value = argument.split(OPTION_VALUE_SEPARATOR, 2)
    result = DotContainer.dotted_to_container(path.split(DotContainer::SEPARATOR), smart_convert(value), result)
  end
  result
end

#clear_option(option_symbol) ⇒ Object

Set option to nil



507
508
509
510
 
# File 'lib/aspera/cli/manager.rb', line 507

def clear_option(option_symbol)
  Aspera.assert_type(option_symbol, Symbol)
  option_def(option_symbol).clear
end

#command_or_arg_empty? ⇒ Boolean

Check if there were unprocessed values to generate error

Returns:

  • (Boolean) 


531
532
533
 
# File 'lib/aspera/cli/manager.rb', line 531

def command_or_arg_empty?
  @unprocessed_cmd_line_arguments.empty?
end

#declare(option_symbol, description, short: nil, allowed: nil, default: nil, handler: nil, deprecation: nil, schema: nil, &block) ⇒ Object

Declare an option

Parameters:

  • option_symbol (Symbol) —

    option name

  • description (String) —

    description for help

  • short (String) (defaults to: nil) —

    short option name

  • allowed (Object) (defaults to: nil) —

    Allowed values, see OptionValue

  • default (Object) (defaults to: nil) —

    default value

  • handler (Hash) (defaults to: nil) —

    handler for option value: keys: :o(object) and :m(method)

  • deprecation (String) (defaults to: nil) —

    deprecation

  • schema (String) (defaults to: nil) —

    Definition of schema for Hash parameters

  • block (Proc) —

    Block to execute when option is found



322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
 
# File 'lib/aspera/cli/manager.rb', line 322

def declare(option_symbol, description, short: nil, allowed: nil, default: nil, handler: nil, deprecation: nil, schema: nil, &block)
  Aspera.assert_type(option_symbol, Symbol)
  Aspera.assert(!@declared_options.key?(option_symbol)){"#{option_symbol} already declared"}
  Aspera.assert(description[-1] != '.'){"#{option_symbol} ends with dot"}
  Aspera.assert(description[0] == description[0].upcase){"#{option_symbol} description does not start with an uppercase"}
  Aspera.assert(!['hash', 'extended value'].any?{ |s| description.downcase.include?(s)}){"#{option_symbol} shall use :allowed instead of hash/extended value in option description"}
  Aspera.assert_type(handler, Hash) if handler
  Aspera.assert(handler.keys.sort.eql?(%i[m o]), 'handler must have keys :m and :o') if handler
  option_attrs = @declared_options[option_symbol] = OptionValue.new(
    option:      option_symbol,
    description: description,
    allowed:     allowed,
    handler:     handler,
    deprecation: deprecation,
    schema:      schema
  )
  real_types = option_attrs.types&.reject{ |i| [NilClass, String, Symbol].include?(i)}
  description += add_types_info(real_types)
  description = "#{description} (#{'deprecated'.blue}: #{deprecation})" if deprecation
  set_option(option_symbol, default, where: 'default') unless default.nil?
  on_args = [description]
  case option_attrs.types
  when Allowed::TYPES_ENUM, Allowed::TYPES_BOOLEAN
    # This option value must be a symbol (or array of symbols)
    set_option(option_symbol, BoolValue.true?(default), where: 'default') if option_attrs.values.eql?(BoolValue::ALL) && !default.nil?
    value = get_option(option_symbol)
    help_values =
      if option_attrs.types.eql?(Allowed::TYPES_BOOLEAN)
        highlight_current_in_list(BoolValue::SYMBOLS, BoolValue.to_sym(value))
      else
        highlight_current_in_list(option_attrs.values, value)
      end
    on_args[0] = "#{description}: #{help_values}"
    on_args.push(symbol_to_option(option_symbol, 'ENUM'))
    # on_args.push(option_attrs.values)
    @parser.on(*on_args) do |v|
      set_option(option_symbol, self.class.get_from_list(v.to_s, description, option_attrs.values), where: SOURCE_USER)
    end
  when Allowed::TYPES_NONE
    Aspera.assert_type(block, Proc){"missing execution block for #{option_symbol}"}
    on_args.push(symbol_to_option(option_symbol))
    on_args.push("-#{short}") if short.is_a?(String)
    @parser.on(*on_args, &block)
  else
    on_args.push(symbol_to_option(option_symbol, 'VALUE'))
    on_args.push("-#{short}VALUE") unless short.nil?
    # coerce integer
    on_args.push(Integer) if option_attrs.types.eql?(Allowed::TYPES_INTEGER)
    @parser.on(*on_args) do |v|
      set_option(option_symbol, v, where: SOURCE_USER)
    end
  end
  Log.log.trace1{"on_args=#{on_args}"}
end

#final_errors ⇒ Object

Unprocessed options or arguments ?



536
537
538
539
540
541
 
# File 'lib/aspera/cli/manager.rb', line 536

def final_errors
  result = []
  result.push("unprocessed options: #{@unprocessed_cmd_line_options}") unless @unprocessed_cmd_line_options.empty?
  result.push("unprocessed values: #{@unprocessed_cmd_line_arguments}") unless @unprocessed_cmd_line_arguments.empty?
  result
end

#get_interactive(descr, check_option: false, multiple: false, accept_list: nil, schema: nil) ⇒ String

Prompt user for input in a list of symbols

Parameters:

  • descr (String) —

    description for help

  • check_option (Boolean) (defaults to: false) —

    Check attributes of option with name=descr

  • multiple (Boolean, String) (defaults to: false) —

    true if multiple values expected

  • accept_list (Array<Symbol>, NilClass) (defaults to: nil) —

    List of expected values

Returns:



644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
 
# File 'lib/aspera/cli/manager.rb', line 644

def get_interactive(descr, check_option: false, multiple: false, accept_list: nil, schema: nil)
  option_attrs = @declared_options[descr.to_sym]
  what = option_attrs ? 'option' : 'argument'
  default_prompt = "#{what}: #{descr}"
  if !@ask_missing_mandatory
    message = "Missing #{default_prompt}"
    message = self.class.multi_choice_assert_msg(message, accept_list) if accept_list
    message += "\n#{TerminalFormatter::HINT}Give `#{HELP}` as argument to retrieve the schema of the missing argument." if schema
    raise Cli::MissingArgument, message
  end
  # ask interactively
  result = []
  puts(' (one per line, end with empty line)') if multiple
  loop do
    prompt = default_prompt
    prompt = "#{accept_list.join(' ')}\n#{default_prompt}" if accept_list
    entry = prompt_user_input(prompt, sensitive: option_attrs&.sensitive)
    break if entry.empty? && multiple
    entry = ExtendedValue.instance.evaluate(entry, context: 'interactive input')
    entry = self.class.get_from_list(entry, descr, accept_list) if accept_list
    return entry unless multiple
    result.push(entry)
  end
  result
end

#get_next_argument(descr, mandatory: true, multiple: false, accept_list: nil, validation: Allowed::TYPES_STRING, aliases: nil, default: nil, schema: nil) ⇒ Object

Returns one value, list or nil (if optional and no default).

Parameters:

  • descr (String) —

    description for help

  • mandatory (Boolean) (defaults to: true) —

    true: raise error no more argument

  • multiple (Boolean) (defaults to: false) —

    true: return all remaining arguments (Array). String: until marker

  • accept_list (Array<Symbol>, NilClass) (defaults to: nil) —

    list of allowed values

  • validation (Class, Array, NilClass) (defaults to: Allowed::TYPES_STRING) —

    Accepted value type(s) or list of Symbols

  • aliases (Hash) (defaults to: nil) —

    map of aliases: key = alias, value = real value

  • default (Object) (defaults to: nil) —

    default value

Returns:

  • one value, list or nil (if optional and no default)



385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
 
# File 'lib/aspera/cli/manager.rb', line 385

def get_next_argument(descr, mandatory: true, multiple: false, accept_list: nil, validation: Allowed::TYPES_STRING, aliases: nil, default: nil, schema: nil)
  Aspera.assert_array_all(accept_list, Symbol) unless accept_list.nil?
  Aspera.assert_hash_all(aliases, Symbol, Symbol) unless aliases.nil?
  validation = Symbol unless accept_list.nil?
  validation = [validation] unless validation.is_a?(Array) || validation.nil?
  Aspera.assert_array_all(validation, Class){'validation'} unless validation.nil?
  descr = "#{descr}#{add_types_info(validation)}"
  result =
    if !@unprocessed_cmd_line_arguments.empty?
      case multiple
      when true
        values = @unprocessed_cmd_line_arguments.shift(@unprocessed_cmd_line_arguments.length)
      when false
        values = [@unprocessed_cmd_line_arguments.shift]
      when String
        index = @unprocessed_cmd_line_arguments.index(multiple)
        if index
          values = @unprocessed_cmd_line_arguments.shift(index)
          @unprocessed_cmd_line_arguments.shift # remove end marker
        else
          values = @unprocessed_cmd_line_arguments.shift(@unprocessed_cmd_line_arguments.length)
        end
      else Aspera.error_unexpected_value(multiple){'multiple'}
      end
      values = values.map{ |v| ExtendedValue.instance.evaluate(v, context: "argument: #{descr}", allowed: validation)}
      # If expecting list and only one arg of type array : it is the list
      values = values.first if multiple && values.length.eql?(1) && values.first.is_a?(Array)
      if accept_list
        allowed_values = [].concat(accept_list)
        allowed_values.concat(aliases.keys) unless aliases.nil?
        values = values.map{ |v| self.class.get_from_list(v, descr, allowed_values)}
      end
      multiple ? values : values.first
    elsif !default.nil? then default
      # no value provided, either get value interactively, or exception
    elsif mandatory then get_interactive(descr, multiple: multiple, accept_list: accept_list, schema: schema)
    end
  if result.is_a?(String) && validation&.eql?(Allowed::TYPES_INTEGER)
    int_result = Integer(result, exception: false)
    raise Cli::BadArgument, "Invalid integer: #{result}" if int_result.nil?
    result = int_result
  end
  Log.log.trace1{"#{descr}=#{result}"}
  result = aliases[result] if aliases&.key?(result)
  # if value comes from JSON/YAML, it may come as Integer
  result = result.to_s if result.is_a?(Integer) && validation&.eql?(Allowed::TYPES_STRING)
  if validation && (mandatory || !result.nil?)
    value_list = multiple ? result : [result]
    value_list.each do |value|
      raise SchemaRequest.new(:argument, descr, schema) if validation.include?(Hash) && value.eql?(HELP)
      raise Cli::BadArgument,
        "Argument #{descr} is a #{value.class} but must be #{'one of: ' if validation.length > 1}#{validation.map(&:name).join(', ')}" unless validation.any?{ |t| value.is_a?(t)}
    end
  end
  result
end

#get_next_command(command_list, aliases: nil) ⇒ Object 



460
 
# File 'lib/aspera/cli/manager.rb', line 460

def get_next_command(command_list, aliases: nil); get_next_argument('command', accept_list: command_list, aliases: aliases); end

#get_option(option_symbol, mandatory: false) ⇒ Object

Get an option value by name either return value or calls handler, can return nil ask interactively if requested/required

Parameters:

  • option_symbol (Symbol)
  • mandatory (Boolean) (defaults to: false) —

    if true, raise error if option not set



476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
 
# File 'lib/aspera/cli/manager.rb', line 476

def get_option(option_symbol, mandatory: false)
  Aspera.assert_type(option_symbol, Symbol)
  option_attrs = option_def(option_symbol)
  result = option_attrs.value
  # Do not fail for manual generation if option mandatory but not set
  return :skip_missing_mandatory if result.nil? && mandatory && !@fail_on_missing_mandatory
  if result.nil?
    if !@ask_missing_mandatory
      Aspera.assert(!mandatory, type: Cli::BadArgument){"Missing mandatory option: #{option_symbol}"}
    elsif @ask_missing_optional || mandatory
      # ask_missing_mandatory
      result = get_interactive(option_symbol.to_s, check_option: true, accept_list: option_attrs.values, schema: option_attrs.schema)
      set_option(option_symbol, result, where: 'interactive')
    end
  end
  result
end

#instance_identifier(description: 'identifier', &block) {|field, value| ... } ⇒ String+

Resource identifier as positional parameter

Parameters:

  • description (String) (defaults to: 'identifier') —

    description of the identifier

  • block (Proc) —

    block to search for identifier based on attribute value

Yield Parameters:

  • field (String) —

    The field name from percent selector

  • value (String) —

    The value from percent selector

Yield Returns:

  • (String) —

    Resolved identifier

Returns:

  • (String, Array<String>) —

    identifier or list of IDs (if bulk option is set)



450
451
452
453
454
455
456
457
458
 
# File 'lib/aspera/cli/manager.rb', line 450

def instance_identifier(description: 'identifier', &block)
  res_id = get_next_argument(description, multiple: get_option(:bulk)) if res_id.nil?
  # Can be an Array
  if res_id.is_a?(String) && (m = Manager.percent_selector(res_id))
    Aspera.assert(block_given?, type: Cli::BadArgument){"Percent syntax for #{description} not supported in this context"}
    res_id = yield(m[:field], m[:value])
  end
  res_id
end

#known_options(only_defined: false) ⇒ Hash

Returns options as taken from config file and command line just before command execution.

Parameters:

  • only_defined (Boolean) (defaults to: false) —

    if true, only return options that were defined

Returns:

  • (Hash) —

    options as taken from config file and command line just before command execution



564
565
566
567
568
569
570
571
572
573
 
# File 'lib/aspera/cli/manager.rb', line 564

def known_options(only_defined: false)
  result = {}
  @declared_options.each_key do |option_symbol|
    v = get_option(option_symbol)
    result[option_symbol] = v unless only_defined && v.nil?
  rescue => e
    result[option_symbol] = e.to_s
  end
  result
end

#option_def(option_symbol) ⇒ OptionValue

Get an option definition by name

Parameters:

  • option_symbol (Symbol)

Returns:

Raises:



466
467
468
469
 
# File 'lib/aspera/cli/manager.rb', line 466

def option_def(option_symbol)
  Aspera.assert(@declared_options.key?(option_symbol), type: Cli::BadArgument){"Unknown option: #{option_symbol}"}
  @declared_options[option_symbol]
end

#parse_options! ⇒ Object

Removes already known options from the list



576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
 
# File 'lib/aspera/cli/manager.rb', line 576

def parse_options!
  Log.log.trace1('parse_options!'.red)
  # First options from conf file
  consume_option_pairs(@option_pairs_batch, 'set')
  # Then, env var (to override)
  consume_option_pairs(@option_pairs_env, 'env')
  # Then, command line override
  unknown_options = []
  begin
    # remove known options one by one, exception if unknown
    Log.log.trace1('Before parse')
    Log.dump(:unprocessed_cmd_line_options, @unprocessed_cmd_line_options, level: :trace1)
    @parser.parse!(@unprocessed_cmd_line_options)
    Log.log.trace1('After parse')
  rescue OptionParser::InvalidOption => e
    Log.log.trace1{"InvalidOption #{e}".red}
    # An option like --a.b.c=d does: a={"b":{"c":ext_val(d)}}
    if e.args.first.start_with?(OPTION_PREFIX)
      name, value = e.args.first.delete_prefix(OPTION_PREFIX).split(OPTION_VALUE_SEPARATOR, 2)
      if !value.nil?
        path = name.split(DotContainer::SEPARATOR)
        option_sym = self.class.option_line_to_name(path.shift).to_sym
        if @declared_options.key?(option_sym)
          # it's a known option, so let's process it
          set_option(option_sym, DotContainer.dotted_to_container(path, smart_convert(value), get_option(option_sym)), where: 'dotted')
          # resume to next
          retry
        end
      end
    end
    # Save for later processing
    unknown_options.push(e.args.first)
    retry
  end
  Log.log.trace1{"remains: #{unknown_options}"}
  # Set unprocessed options for next time
  @unprocessed_cmd_line_options = unknown_options
end

#prompt_user_input(prompt, sensitive: false) ⇒ Object 



615
616
617
618
619
620
621
 
# File 'lib/aspera/cli/manager.rb', line 615

def prompt_user_input(prompt, sensitive: false)
  return $stdin.getpass("#{prompt}> ") if sensitive
  print("#{prompt}> ")
  line = $stdin.gets
  Aspera.assert_type(line, String){'Unexpected end of standard input'}
  line.chomp
end

#prompt_user_input_in_list(prompt, sym_list) ⇒ Symbol

prompt user for input in a list of symbols

Parameters:

  • prompt (String) —

    prompt to display

  • sym_list (Array) —

    list of symbols to select from

Returns:

  • (Symbol) —

    selected symbol



627
628
629
630
631
632
633
634
635
636
 
# File 'lib/aspera/cli/manager.rb', line 627

def prompt_user_input_in_list(prompt, sym_list)
  loop do
    input = prompt_user_input(prompt).to_sym
    if sym_list.any?{ |a| a.eql?(input)}
      return input
    else
      $stderr.puts("No such #{prompt}: #{input}, select one of: #{sym_list.join(', ')}") # rubocop:disable Style/StderrPuts
    end
  end
end

#set_option(option_symbol, value, where: 'code override') ⇒ Object

Set an option value by name, either store value or call handler String is given to extended value

Parameters:

  • option_symbol (Symbol) —

    option name

  • value (String) —

    Value to set

  • where (String) (defaults to: 'code override') —

    Where the value comes from

Raises:



499
500
501
502
503
504
 
# File 'lib/aspera/cli/manager.rb', line 499

def set_option(option_symbol, value, where: 'code override')
  Aspera.assert_type(option_symbol, Symbol)
  option = option_def(option_symbol)
  raise SchemaRequest.new(:option, option.option, option.schema) if option.types&.include?(Hash) && value.eql?(HELP)
  option.assign_value(value, where: where)
end

#unprocessed_options_with_value ⇒ Hash

Get all original options on command line used to generate a config in config file

Returns:

  • (Hash) —

    options as taken from config file and command line just before command execution



545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
 
# File 'lib/aspera/cli/manager.rb', line 545

def unprocessed_options_with_value
  result = {}
  @initial_cli_options.each do |option_argument|
    # ignore short options
    next unless option_argument.start_with?(OPTION_PREFIX)
    name, value = option_argument.delete_prefix(OPTION_PREFIX).split(OPTION_VALUE_SEPARATOR, 2)
    # ignore options without value
    next if value.nil?
    Log.log.debug{"option #{name}=#{value}"}
    path = name.split(DotContainer::SEPARATOR)
    path[0] = self.class.option_line_to_name(path[0])
    DotContainer.dotted_to_container(path, smart_convert(value), result)
    @unprocessed_cmd_line_options.delete(option_argument)
  end
  result
end

#unshift_next_argument(argument) ⇒ Object

Allows a plugin to add an argument as next argument to process



526
527
528
 
# File 'lib/aspera/cli/manager.rb', line 526

def unshift_next_argument(argument)
  @unprocessed_cmd_line_arguments.unshift(argument)
end