| Current File : //opt/alt/ruby33/share/gems/gems/bundler-2.5.11/lib/bundler/vendor/thor/lib/thor/parser/options.rb |
class Bundler::Thor
class Options < Arguments #:nodoc:
LONG_RE = /^(--\w+(?:-\w+)*)$/
SHORT_RE = /^(-[a-z])$/i
EQ_RE = /^(--\w+(?:-\w+)*|-[a-z])=(.*)$/i
SHORT_SQ_RE = /^-([a-z]{2,})$/i # Allow either -x -v or -xv style for single char args
SHORT_NUM = /^(-[a-z])#{NUMERIC}$/i
OPTS_END = "--".freeze
# Receives a hash and makes it switches.
def self.to_switches(options)
options.map do |key, value|
case value
when true
"--#{key}"
when Array
"--#{key} #{value.map(&:inspect).join(' ')}"
when Hash
"--#{key} #{value.map { |k, v| "#{k}:#{v}" }.join(' ')}"
when nil, false
nil
else
"--#{key} #{value.inspect}"
end
end.compact.join(" ")
end
# Takes a hash of Bundler::Thor::Option and a hash with defaults.
#
# If +stop_on_unknown+ is true, #parse will stop as soon as it encounters
# an unknown option or a regular argument.
def initialize(hash_options = {}, defaults = {}, stop_on_unknown = false, disable_required_check = false, relations = {})
@stop_on_unknown = stop_on_unknown
@exclusives = (relations[:exclusive_option_names] || []).select{|array| !array.empty?}
@at_least_ones = (relations[:at_least_one_option_names] || []).select{|array| !array.empty?}
@disable_required_check = disable_required_check
options = hash_options.values
super(options)
# Add defaults
defaults.each do |key, value|
@assigns[key.to_s] = value
@non_assigned_required.delete(hash_options[key])
end
@shorts = {}
@switches = {}
@extra = []
@stopped_parsing_after_extra_index = nil
@is_treated_as_value = false
options.each do |option|
@switches[option.switch_name] = option
option.aliases.each do |name|
@shorts[name] ||= option.switch_name
end
end
end
def remaining
@extra
end
def peek
return super unless @parsing_options
result = super
if result == OPTS_END
shift
@parsing_options = false
@stopped_parsing_after_extra_index ||= @extra.size
super
else
result
end
end
def shift
@is_treated_as_value = false
super
end
def unshift(arg, is_value: false)
@is_treated_as_value = is_value
super(arg)
end
def parse(args) # rubocop:disable Metrics/MethodLength
@pile = args.dup
@is_treated_as_value = false
@parsing_options = true
while peek
if parsing_options?
match, is_switch = current_is_switch?
shifted = shift
if is_switch
case shifted
when SHORT_SQ_RE
unshift($1.split("").map { |f| "-#{f}" })
next
when EQ_RE
unshift($2, is_value: true)
switch = $1
when SHORT_NUM
unshift($2)
switch = $1
when LONG_RE, SHORT_RE
switch = $1
end
switch = normalize_switch(switch)
option = switch_option(switch)
result = parse_peek(switch, option)
assign_result!(option, result)
elsif @stop_on_unknown
@parsing_options = false
@extra << shifted
@stopped_parsing_after_extra_index ||= @extra.size
@extra << shift while peek
break
elsif match
@extra << shifted
@extra << shift while peek && peek !~ /^-/
else
@extra << shifted
end
else
@extra << shift
end
end
check_requirement! unless @disable_required_check
check_exclusive!
check_at_least_one!
assigns = Bundler::Thor::CoreExt::HashWithIndifferentAccess.new(@assigns)
assigns.freeze
assigns
end
def check_exclusive!
opts = @assigns.keys
# When option A and B are exclusive, if A and B are given at the same time,
# the diffrence of argument array size will decrease.
found = @exclusives.find{ |ex| (ex - opts).size < ex.size - 1 }
if found
names = names_to_switch_names(found & opts).map{|n| "'#{n}'"}
class_name = self.class.name.split("::").last.downcase
fail ExclusiveArgumentError, "Found exclusive #{class_name} #{names.join(", ")}"
end
end
def check_at_least_one!
opts = @assigns.keys
# When at least one is required of the options A and B,
# if the both options were not given, none? would be true.
found = @at_least_ones.find{ |one_reqs| one_reqs.none?{ |o| opts.include? o} }
if found
names = names_to_switch_names(found).map{|n| "'#{n}'"}
class_name = self.class.name.split("::").last.downcase
fail AtLeastOneRequiredArgumentError, "Not found at least one of required #{class_name} #{names.join(", ")}"
end
end
def check_unknown!
to_check = @stopped_parsing_after_extra_index ? @extra[0...@stopped_parsing_after_extra_index] : @extra
# an unknown option starts with - or -- and has no more --'s afterward.
unknown = to_check.select { |str| str =~ /^--?(?:(?!--).)*$/ }
raise UnknownArgumentError.new(@switches.keys, unknown) unless unknown.empty?
end
protected
# Option names changes to swith name or human name
def names_to_switch_names(names = [])
@switches.map do |_, o|
if names.include? o.name
o.respond_to?(:switch_name) ? o.switch_name : o.human_name
else
nil
end
end.compact
end
def assign_result!(option, result)
if option.repeatable && option.type == :hash
(@assigns[option.human_name] ||= {}).merge!(result)
elsif option.repeatable
(@assigns[option.human_name] ||= []) << result
else
@assigns[option.human_name] = result
end
end
# Check if the current value in peek is a registered switch.
#
# Two booleans are returned. The first is true if the current value
# starts with a hyphen; the second is true if it is a registered switch.
def current_is_switch?
return [false, false] if @is_treated_as_value
case peek
when LONG_RE, SHORT_RE, EQ_RE, SHORT_NUM
[true, switch?($1)]
when SHORT_SQ_RE
[true, $1.split("").any? { |f| switch?("-#{f}") }]
else
[false, false]
end
end
def current_is_switch_formatted?
return false if @is_treated_as_value
case peek
when LONG_RE, SHORT_RE, EQ_RE, SHORT_NUM, SHORT_SQ_RE
true
else
false
end
end
def current_is_value?
return true if @is_treated_as_value
peek && (!parsing_options? || super)
end
def switch?(arg)
!switch_option(normalize_switch(arg)).nil?
end
def switch_option(arg)
if match = no_or_skip?(arg) # rubocop:disable Lint/AssignmentInCondition
@switches[arg] || @switches["--#{match}"]
else
@switches[arg]
end
end
# Check if the given argument is actually a shortcut.
#
def normalize_switch(arg)
(@shorts[arg] || arg).tr("_", "-")
end
def parsing_options?
peek
@parsing_options
end
# Parse boolean values which can be given as --foo=true, --foo or --no-foo.
#
def parse_boolean(switch)
if current_is_value?
if ["true", "TRUE", "t", "T", true].include?(peek)
shift
true
elsif ["false", "FALSE", "f", "F", false].include?(peek)
shift
false
else
@switches.key?(switch) || !no_or_skip?(switch)
end
else
@switches.key?(switch) || !no_or_skip?(switch)
end
end
# Parse the value at the peek analyzing if it requires an input or not.
#
def parse_peek(switch, option)
if parsing_options? && (current_is_switch_formatted? || last?)
if option.boolean?
# No problem for boolean types
elsif no_or_skip?(switch)
return nil # User set value to nil
elsif option.string? && !option.required?
# Return the default if there is one, else the human name
return option.lazy_default || option.default || option.human_name
elsif option.lazy_default
return option.lazy_default
else
raise MalformattedArgumentError, "No value provided for option '#{switch}'"
end
end
@non_assigned_required.delete(option)
send(:"parse_#{option.type}", switch)
end
end
end