Създаване на хеш чрез map

Програмиране с Ruby

Курс във Факултета по Математика и Информатика към СУ

Решение на Трета задача - Четене на командни аргументи от Владимир Алексиев

Обратно към всички решения

Към профила на Владимир Алексиев

Резултати

  • 6 точки от тестове
  • 0 бонус точки
  • 6 точки общо
  • 14 успешни тест(а)
  • 1 неуспешни тест(а)

Код

class CommandParser
def initialize(command_name)
@command_name = command_name
@arguments = []
@opts_help = []
@arg_blks = []
@opt_with_p_blks = {}
@opt_blks = {}
end
def argument(argument, &block)
@arguments << argument
@arg_blks << block if block_given?
end
def option(name, full_name, help_text, &block)
@opts_help << "-#{name}, --#{full_name} #{help_text}"
@opt_blks["-#{name}"] = @opt_blks["--#{full_name}"] = block if block_given?
end
def option_with_parameter(name, full_name, help_text, placeholder, &block)
@opts_help << "-#{name}, --#{full_name}=#{placeholder} #{help_text}"
if block_given?
@opt_with_p_blks["-#{name}"] = @opt_with_p_blks["--#{full_name}"] = block
end
end
def parse(command_runner, argv)
if !@opt_with_p_blks.empty?
opt_regex = Regexp.new("^#{@opt_with_p_blks.keys.join('|')}")
opt_with_p, rest = argv.partition { |arg| arg =~ opt_regex }
else
rest = argv
end
arguments, options = rest.partition { |element| element[0] != '-' }
handle_arguments(command_runner, arguments)
handle_options(command_runner, options)
handle_opts_with_params(command_runner, opt_with_p) if opt_with_p
end
def handle_arguments(command_runner, arguments)
@arg_blks.each_with_index do |block, index|
block.call(command_runner, arguments[index])
end
end
def handle_options(command_runner, options)
options.each do |option|
if @opt_blks.keys.include?(option)
@opt_blks[option].call(command_runner, true)
end
end
end
def handle_opts_with_params(command_runner, options)
options.each do |option|
splitted = option.split('=')
if splitted.size == 2
@opt_with_p_blks[splitted[0]].call(command_runner, splitted[1])
else
@opt_with_p_blks[option[0..1]].call(command_runner, option[2..-1])
end
end
end
def help
arguments_help = @arguments.map { |arg| "[#{arg}]" }.join(' ')
(["Usage: #{@command_name} #{arguments_help}"] + @opts_help).join("\n ")
end
end

Лог от изпълнението

.......F.......

Failures:

  1) CommandParser#help shows basic usage message
     Failure/Error: expect(parser.help).to eq 'Usage: ls'
       
       expected: "Usage: ls"
            got: "Usage: ls "
       
       (compared using ==)
     # /tmp/d20161113-27983-17gcjtd/spec.rb:104:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:7:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:7:in `block (2 levels) in <top (required)>'

Finished in 0.00871 seconds
15 examples, 1 failure

Failed examples:

rspec /tmp/d20161113-27983-17gcjtd/spec.rb:103 # CommandParser#help shows basic usage message

История (1 версия и 0 коментара)

Владимир обнови решението на 09.11.2016 01:33 (преди над 7 години)

+class CommandParser
+ def initialize(command_name)
+ @command_name = command_name
+ @arguments = []
+ @opts_help = []
+ @arg_blks = []
+ @opt_with_p_blks = {}
+ @opt_blks = {}
+ end
+
+ def argument(argument, &block)
+ @arguments << argument
+ @arg_blks << block if block_given?
+ end
+
+ def option(name, full_name, help_text, &block)
+ @opts_help << "-#{name}, --#{full_name} #{help_text}"
+ @opt_blks["-#{name}"] = @opt_blks["--#{full_name}"] = block if block_given?
+ end
+
+ def option_with_parameter(name, full_name, help_text, placeholder, &block)
+ @opts_help << "-#{name}, --#{full_name}=#{placeholder} #{help_text}"
+ if block_given?
+ @opt_with_p_blks["-#{name}"] = @opt_with_p_blks["--#{full_name}"] = block
+ end
+ end
+
+ def parse(command_runner, argv)
+ if !@opt_with_p_blks.empty?
+ opt_regex = Regexp.new("^#{@opt_with_p_blks.keys.join('|')}")
+ opt_with_p, rest = argv.partition { |arg| arg =~ opt_regex }
+ else
+ rest = argv
+ end
+ arguments, options = rest.partition { |element| element[0] != '-' }
+ handle_arguments(command_runner, arguments)
+ handle_options(command_runner, options)
+ handle_opts_with_params(command_runner, opt_with_p) if opt_with_p
+ end
+
+ def handle_arguments(command_runner, arguments)
+ @arg_blks.each_with_index do |block, index|
+ block.call(command_runner, arguments[index])
+ end
+ end
+
+ def handle_options(command_runner, options)
+ options.each do |option|
+ if @opt_blks.keys.include?(option)
+ @opt_blks[option].call(command_runner, true)
+ end
+ end
+ end
+
+ def handle_opts_with_params(command_runner, options)
+ options.each do |option|
+ splitted = option.split('=')
+ if splitted.size == 2
+ @opt_with_p_blks[splitted[0]].call(command_runner, splitted[1])
+ else
+ @opt_with_p_blks[option[0..1]].call(command_runner, option[2..-1])
+ end
+ end
+ end
+
+ def help
+ arguments_help = @arguments.map { |arg| "[#{arg}]" }.join(' ')
+ (["Usage: #{@command_name} #{arguments_help}"] + @opts_help).join("\n ")
+ end
+end