Module: WPM

Extended by:
WPM
Included in:
WPM
Defined in:
lib/wpm.rb,
lib/wpm/version.rb

Constant Summary collapse

VERSION = 
"0.1.2"

Instance Method Summary collapse

Instance Method Details

#bye ⇒ Object 



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# File 'lib/wpm.rb', line 159

def bye
  puts "\nBye"
  exit
end

#carriage_return ⇒ Object 



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# File 'lib/wpm.rb', line 146

def carriage_return
  @pos=0
  @line+=1
end

#help ⇒ Object 



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# File 'lib/wpm.rb', line 53

def help
  puts <<~eof
  Usage: wpm [options]

  Options:
    -h              show this message
    -s              print stats
    -l [length]     maximum string length
    -q              print quotes.yml path
  eof
  exit
end

#parse_options(args) ⇒ Object 



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# File 'lib/wpm.rb', line 66

def parse_options(args)
  if args.first=='-s'
    stats
    exit
  end

  if args.first=='-q'
    puts quotes_file
    exit
  end

  if args.shift=='-l' and args.first.to_i > 0
    @max_length=args.first.to_i
    return
  end

  puts "Unknown option"
  bye
rescue => e
  "Bad options. For help: `wpm -h`"
  exit
end

#pos ⇒ Object 



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# File 'lib/wpm.rb', line 155

def pos
  @pos
end

#print_text ⇒ Object 



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# File 'lib/wpm.rb', line 126

def print_text
  print "\r"+text.sub(/(.{#{pos}})/,"#{@color}\\1#{@no_color}")+"\r"
end

#quotes ⇒ Object 



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# File 'lib/wpm.rb', line 114

def quotes
  YAML.load(open(quotes_file))
      .sort_by(&:length)
      .select {|e| e.size<@max_length}
rescue => e
  "Error while reading #{quotes_file}"
end

#quotes_file ⇒ Object 



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# File 'lib/wpm.rb', line 122

def quotes_file
  "#{__dir__}/wpm/quotes.yml"
end

#race(args) ⇒ Object 



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# File 'lib/wpm.rb', line 16

def race(args)
  help if !(args & %w[-h --help]).empty?

  parse_options(args) unless args.empty?

  @max_length||=4000

  @eot=0x03
  @eof=0x04

  if quotes.empty?
    puts "No quotes with less than #{@max_length} characters found"
    exit
  end

  @color="\e[4;32m"
  @no_color="\e[m"

  @lines=quotes[rand(quotes.size)].chars.each_slice(term_width).map(&:join)
  @line=0
  @pos=0

  # average length of English words
  @word_length=5

  @start_time=time
  print_text

  loop do
    update_text
    break if @line==@lines.size-1 and pos==@lines.last.size
  end

  save_wpm
  puts "\nWPM: #{wpm}"
end

#save_wpm ⇒ Object 



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# File 'lib/wpm.rb', line 108

def save_wpm
  open(wpm_file,'a') do |f|
    f.puts "#{Time.now.strftime("%Y-%M-%d")} #{wpm}"
  end
end

#stats ⇒ Object 



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# File 'lib/wpm.rb', line 89

def stats
  str=File.open(wpm_file).read
  scores=str.split(" ").map(&:to_i).select.with_index{|e,i| i.odd?}
  printf "%-20s %s", "Number of races:", "#{str.count("\n")}\n"
  printf "%-20s %s", "Average speed (WPM):", "#{scores.average}\n"
end

#term_width ⇒ Object

width of the terminal



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# File 'lib/wpm.rb', line 131

def term_width
  IO.console.winsize.last
end

#text ⇒ Object 



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# File 'lib/wpm.rb', line 151

def text
  @lines[@line]
end

#time ⇒ Object 



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# File 'lib/wpm.rb', line 96

def time
  Time.now.to_i
end

#update_text ⇒ Object 



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# File 'lib/wpm.rb', line 135

def update_text
  system('stty raw -echo')
  c=STDIN.getc
  bye if c==@eof.chr or c==@eot.chr
  carriage_return if @pos>=term_width-1
  @pos+=1 if c==text[pos]
ensure
  system('stty -raw echo')
  print_text
end

#wpm ⇒ Object 



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# File 'lib/wpm.rb', line 100

def wpm
  @lines.join(' ').size*60/((time-@start_time)*@word_length)
end

#wpm_file ⇒ Object 



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# File 'lib/wpm.rb', line 104

def wpm_file
  "#{ENV['HOME']}/.wpm_history"
end