Class: Contest

Inherits:
Object
  • Object
show all
Defined in:
lib/atcoder_greedy/lib/contest.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url, **options) ⇒ Contest

Returns a new instance of Contest.



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# File 'lib/atcoder_greedy/lib/contest.rb', line 8

def initialize(url, **options)
  if options[:language] != ''
    @language = options[:language]
  else
    @language = AtcoderGreedy.config[:language]
  end
  @url = url
  set_contest_info(options[:problems])
  set_directories(options[:directory])

  create_inputs unless options[:without][:input]
  create_templates(options[:template]) unless options[:without][:template]

  puts 'Set up done. Go for it!'
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/atcoder_greedy/lib/contest.rb', line 6

def name
  @name
end

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/atcoder_greedy/lib/contest.rb', line 6

def url
  @url
end

Instance Method Details

#create_inputs ⇒ Object 



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# File 'lib/atcoder_greedy/lib/contest.rb', line 53

def create_inputs
  print 'Create inputs ... '
  @problems.each do |problem|
    # take input and output params from url and save to file
    charset = nil
    html = open(@url + problem[:path]) do |f|
      charset = f.charset
      f.read
    end
    doc = Nokogiri::HTML.parse(html, nil, charset)
    in_file = File.new(@dir + "/input_#{problem[:name]}.txt", 'w')

    params = doc.xpath('//pre')
    params.shift
    params.each_with_index do |p, i|
      if i % 2 == 0
        in_file.puts "-- Example #{i/2}"
        in_file.puts "#{p.text.gsub(/\r\n?/, "\n").strip}"
      else
        in_file.puts "-- Answer #{(i-1)/2}"
        in_file.puts "#{p.text.gsub(/\r\n?/, "\n").strip}"
      end
    end

    in_file.close
  end
  puts 'Done!'
end

#create_templates(option_template) ⇒ Object 



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# File 'lib/atcoder_greedy/lib/contest.rb', line 82

def create_templates(option_template)
  print 'Create Templates ... '
  if option_template == ''
    # use user default or system default template
    if AtcoderGreedy.config[:default_template][:"#{@language}"] != ''
      solve_template = open(AtcoderGreedy.config[:default_template][:"#{@language}"], &:read)
    else
      solve_template = open(File.dirname(__dir__) + '/templates' + "/#{@language}/solve.#{@language}", &:read)
    end
  else
    # use option_template
    template_path = GreedyTemplate.get_template_path(option_template)
    if template_path.nil?
      raise "ERROR: Template #{option_template} doesn't found"
    else
      solve_template = open(template_path, &:read)
    end
  end

  @problems.each_with_index do |problem|
    solve_file_content = solve_template.clone
    solve_file_content.gsub!(/DATE/, Time.now.strftime('%F'))
    solve_file_content.gsub!(/CONTEST/, @name.upcase)
    solve_file_content.gsub!(/PROBLEM/, problem[:name])
    solve_file = File.new(@dir + "/#{problem[:name]}.#{@language}", 'w')
    solve_file.print solve_file_content
    solve_file.close
  end
  puts 'Done!'
end

#set_contest_info(option_problems) ⇒ Object 



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# File 'lib/atcoder_greedy/lib/contest.rb', line 24

def set_contest_info(option_problems)
  print 'Set contest info ... '
  @name = URI.parse(@url).host.split('.').first
  charset = nil
  html = open(@url + '/assignments') do |f|
    charset = f.charset
    f.read
  end
  doc = Nokogiri::HTML.parse(html, nil, charset)

  all_problems = nil
  doc.xpath('//tbody').each do |tbody|
    all_problems = tbody.xpath('.//a[@class="linkwrapper"]')
  end

  @problems = []
  until all_problems.empty?
    path = all_problems[0].attributes['href'].value
    pro = all_problems.select { |l| l.attributes['href'].value == path }
    all_problems = all_problems.reject { |l| l.attributes['href'].value == path }
    name = pro[0].inner_text
    if option_problems.empty? || (!option_problems.empty? && option_problems.include?(name))
      @problems.push(name: pro[0].inner_text, path: path)
      print "#{name} "
    end
  end
  puts 'Done!'
end

#set_directories(directory) ⇒ Object 



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# File 'lib/atcoder_greedy/lib/contest.rb', line 113

def set_directories(directory)
  print 'Set contest directory ... '
  if directory == ''
    FileUtils.mkdir(@name)
    @dir = "./#{@name}"
  else
    if Dir.exists?(directory)
      @dir = directory
    else
      raise "ERROR: Directory doesn't exists:#{@dir}"
    end
  end
  puts 'Done!'
end