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 Георги Иванов

Обратно към всички решения

Към профила на Георги Иванов

Резултати

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

Код

class CommandParser
def initialize(command_name)
@command_name = command_name
@list = []
end
def argument(argument_name, &block)
@list.push(Argument.new(argument_name, &block))
end
def option(short_name, long_name, help, &block)
@list.push(Option.new(short_name, long_name, help, &block))
end
def option_with_parameter(*option_name, &block)
@list.push(OptonWithParameter.new(*option_name, &block))
end
def parse(command_runner, argv)
until argv.empty?
arg = argv.shift
@list.detect { |e| e.parse(command_runner, arg) }
end
@list.each do |e|
e.used = false if e.respond_to? :used
end
end
def help
help_msg = "Usage: #{@command_name}"
@list.each { |e| help_msg += " [#{e.name}]" if e.respond_to? :name }
@list.each { |e| help_msg += e.help_msg unless e.respond_to? :name }
help_msg
end
end
class Argument
attr_reader :name
attr_accessor :used
def initialize(name, &block)
@name = name
@block = block
@used = false
end
def parse(command_runner, arg)
unless arg.start_with?('-') || @used
@used = true
@block.call command_runner, arg
end
end
end
class Option
def initialize(short, long, help, &block)
@short = short
@long = long
@help = help
@block = block
end
def parse(command_runner, arg)
@block.call command_runner, true if option_found arg
end
def option_found(arg)
%W(--#{@long} -#{@short}).include? arg
end
def help_msg
"\n -#{@short}, --#{@long} #{@help}"
end
end
class OptonWithParameter < Option
def initialize(short, long, help, parameter, &block)
super(short, long, help, &block)
@parameter = parameter
end
def parse(command_runner, arg)
option, parameter =
if arg.start_with? '--'
arg.split('=', 2)
elsif arg[0] == '-'
[arg[0..1], arg[2..-1]]
else
[nil, nil]
end
@block.call command_runner, parameter if option_found option
end
def help_msg
"\n -#{@short}, --#{@long}=#{@parameter} #{@help}"
end
end

Лог от изпълнението

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Finished in 0.00987 seconds
15 examples, 0 failures

История (2 версии и 0 коментара)

Георги обнови решението на 09.11.2016 12:52 (преди около 8 години)

+class CommandParser
+ def initialize(command_name)
+ @command_name = command_name
+ @list = []
+ end
+
+ def argument(argument_name, &block)
+ @list.push(Argument.new(argument_name, &block))
+ end
+
+ def option(short_name, long_name, help, &block)
+ @list.push(Option.new(short_name, long_name, help, &block))
+ end
+
+ def option_with_parameter(*option_name, &block)
+ @list.push(OptonWithParameter.new(*option_name, &block))
+ end
+
+ def parse(command_runner, argv)
+ until argv.empty?
+ arg = argv.shift
+ @list.detect { |e| e.parse(command_runner, arg) }
+ end
+ @list.each do |e|
+ e.used = false if e.respond_to? :used
+ end
+ end
+
+ def help
+ help_msg = "Usage: #{@command_name}"
+ @list.each { |e| help_msg += " [#{e.name}]" if e.is_a? Argument }
+ @list.each { |e| help_msg += e.help_msg unless e.is_a? Argument }
+ help_msg
+ end
+end
+class Argument
+ attr_reader :name
+ attr_accessor :used
+
+ def initialize(name, &block)
+ @name = name
+ @block = block
+ @used = false
+ end
+
+ def parse(command_runner, arg)
+ unless arg.start_with?('-') || @used
+ @used = true
+ @block.call command_runner, arg
+ end
+ end
+end
+
+class Option
+ def initialize(short, long, help, &block)
+ @short = short
+ @long = long
+ @help = help
+ @block = block
+ end
+
+ def parse(command_runner, arg)
+ @block.call command_runner, true if option_found arg
+ end
+
+ def option_found(arg)
+ %W(--#{@long} -#{@short}).include? arg
+ end
+
+ def help_msg
+ "\n -#{@short}, --#{@long} #{@help}"
+ end
+end
+
+class OptonWithParameter < Option
+ def initialize(short, long, help, parameter, &block)
+ super(short, long, help, &block)
+ @parameter = parameter
+ end
+
+ def parse(command_runner, arg)
+ option, parameter =
+ if arg.start_with? '--'
+ arg.split('=', 2)
+ elsif arg[0] == '-'
+ [arg[0..1], arg[2..-1]]
+ else
+ [nil, nil]
+ end
+ @block.call command_runner, parameter if option_found option
+ end
+
+ def help_msg
+ "\n -#{@short}, --#{@long}=#{@parameter} #{@help}"
+ end
+end

Георги обнови решението на 09.11.2016 13:06 (преди около 8 години)

class CommandParser
def initialize(command_name)
@command_name = command_name
@list = []
end
def argument(argument_name, &block)
@list.push(Argument.new(argument_name, &block))
end
def option(short_name, long_name, help, &block)
@list.push(Option.new(short_name, long_name, help, &block))
end
def option_with_parameter(*option_name, &block)
@list.push(OptonWithParameter.new(*option_name, &block))
end
def parse(command_runner, argv)
until argv.empty?
arg = argv.shift
@list.detect { |e| e.parse(command_runner, arg) }
end
@list.each do |e|
e.used = false if e.respond_to? :used
end
end
def help
help_msg = "Usage: #{@command_name}"
- @list.each { |e| help_msg += " [#{e.name}]" if e.is_a? Argument }
- @list.each { |e| help_msg += e.help_msg unless e.is_a? Argument }
+ @list.each { |e| help_msg += " [#{e.name}]" if e.respond_to? :name }
+ @list.each { |e| help_msg += e.help_msg unless e.respond_to? :name }
help_msg
end
end
class Argument
attr_reader :name
attr_accessor :used
def initialize(name, &block)
@name = name
@block = block
@used = false
end
def parse(command_runner, arg)
unless arg.start_with?('-') || @used
@used = true
@block.call command_runner, arg
end
end
end
class Option
def initialize(short, long, help, &block)
@short = short
@long = long
@help = help
@block = block
end
def parse(command_runner, arg)
@block.call command_runner, true if option_found arg
end
def option_found(arg)
%W(--#{@long} -#{@short}).include? arg
end
def help_msg
"\n -#{@short}, --#{@long} #{@help}"
end
end
class OptonWithParameter < Option
def initialize(short, long, help, parameter, &block)
super(short, long, help, &block)
@parameter = parameter
end
def parse(command_runner, arg)
option, parameter =
if arg.start_with? '--'
arg.split('=', 2)
elsif arg[0] == '-'
[arg[0..1], arg[2..-1]]
else
[nil, nil]
end
@block.call command_runner, parameter if option_found option
end
def help_msg
"\n -#{@short}, --#{@long}=#{@parameter} #{@help}"
end
end