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:
/
opt
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alt
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ruby26
/
lib64
/
ruby
/
2.6.0
/
bundler
/
vendor
/
thor
/
lib
/
thor
/
Filename :
command.rb
back
Copy
class Bundler::Thor class Command < Struct.new(:name, :description, :long_description, :usage, :options, :ancestor_name) FILE_REGEXP = /^#{Regexp.escape(File.dirname(__FILE__))}/ def initialize(name, description, long_description, usage, options = nil) super(name.to_s, description, long_description, usage, options || {}) end def initialize_copy(other) #:nodoc: super(other) self.options = other.options.dup if other.options end def hidden? false end # By default, a command invokes a method in the thor class. You can change this # implementation to create custom commands. def run(instance, args = []) arity = nil if private_method?(instance) instance.class.handle_no_command_error(name) elsif public_method?(instance) arity = instance.method(name).arity instance.__send__(name, *args) elsif local_method?(instance, :method_missing) instance.__send__(:method_missing, name.to_sym, *args) else instance.class.handle_no_command_error(name) end rescue ArgumentError => e handle_argument_error?(instance, e, caller) ? instance.class.handle_argument_error(self, e, args, arity) : (raise e) rescue NoMethodError => e handle_no_method_error?(instance, e, caller) ? instance.class.handle_no_command_error(name) : (raise e) end # Returns the formatted usage by injecting given required arguments # and required options into the given usage. def formatted_usage(klass, namespace = true, subcommand = false) if ancestor_name formatted = "#{ancestor_name} ".dup # add space elsif namespace namespace = klass.namespace formatted = "#{namespace.gsub(/^(default)/, '')}:".dup end formatted ||= "#{klass.namespace.split(':').last} ".dup if subcommand formatted ||= "".dup # Add usage with required arguments formatted << if klass && !klass.arguments.empty? usage.to_s.gsub(/^#{name}/) do |match| match << " " << klass.arguments.map(&:usage).compact.join(" ") end else usage.to_s end # Add required options formatted << " #{required_options}" # Strip and go! formatted.strip end protected def not_debugging?(instance) !(instance.class.respond_to?(:debugging) && instance.class.debugging) end def required_options @required_options ||= options.map { |_, o| o.usage if o.required? }.compact.sort.join(" ") end # Given a target, checks if this class name is a public method. def public_method?(instance) #:nodoc: !(instance.public_methods & [name.to_s, name.to_sym]).empty? end def private_method?(instance) !(instance.private_methods & [name.to_s, name.to_sym]).empty? end def local_method?(instance, name) methods = instance.public_methods(false) + instance.private_methods(false) + instance.protected_methods(false) !(methods & [name.to_s, name.to_sym]).empty? end def sans_backtrace(backtrace, caller) #:nodoc: saned = backtrace.reject { |frame| frame =~ FILE_REGEXP || (frame =~ /\.java:/ && RUBY_PLATFORM =~ /java/) || (frame =~ %r{^kernel/} && RUBY_ENGINE =~ /rbx/) } saned - caller end def handle_argument_error?(instance, error, caller) not_debugging?(instance) && (error.message =~ /wrong number of arguments/ || error.message =~ /given \d*, expected \d*/) && begin saned = sans_backtrace(error.backtrace, caller) # Ruby 1.9 always include the called method in the backtrace saned.empty? || (saned.size == 1 && RUBY_VERSION >= "1.9") end end def handle_no_method_error?(instance, error, caller) not_debugging?(instance) && error.message =~ /^undefined method `#{name}' for #{Regexp.escape(instance.to_s)}$/ end end Task = Command # A command that is hidden in help messages but still invocable. class HiddenCommand < Command def hidden? true end end HiddenTask = HiddenCommand # A dynamic command that handles method missing scenarios. class DynamicCommand < Command def initialize(name, options = nil) super(name.to_s, "A dynamically-generated command", name.to_s, name.to_s, options) end def run(instance, args = []) if (instance.methods & [name.to_s, name.to_sym]).empty? super else instance.class.handle_no_command_error(name) end end end DynamicTask = DynamicCommand end