Module: PrependCode::Application

Defined in:
lib/prepend_code.rb

Class Method Summary collapse

Class Method Details

.exit_with_usage ⇒ Object 



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# File 'lib/prepend_code.rb', line 10

def self.exit_with_usage
  puts @opts.to_s
  return 0
end

.find_file_paths(dir_name, ext) ⇒ Object 



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# File 'lib/prepend_code.rb', line 47

def self.find_file_paths(dir_name, ext)
  ret = []
  dirs = Dir.glob(dir_name)
  dirs.each {|d|
    next unless FileTest.directory?(d)
    
    sub_dirs = Dir.glob("#{d}/**")
    sub_dirs.each {|d|
      if FileTest.directory?(d)
        ret += find_file_paths(d, ext)
      elsif FileTest.file?(d)
        if d =~ /^*#{ext}$/
          ret << d
        end
      end
    }
  }
  return ret
end

.prepend_on_file!(file_path, context) ⇒ Object 



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# File 'lib/prepend_code.rb', line 67

def self.prepend_on_file!(file_path, context)
  f = File.open(file_path, "r+")
  lines = f.readlines
  f.close
  
  return false if lines && lines[0] == context + "\n"
  lines = [sprintf('%s%s', context, "\n")] + lines
  output = File.new(file_path, "w")
  lines.each { |line| output.write line }
  output.close
  return true
end

.run!(*arguments) ⇒ Object 



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# File 'lib/prepend_code.rb', line 15

def self.run!(*arguments)
  ext = '.rb'
  banner = "Usage: prepend_code target_directory context [options]"
  @opts = OptionParser.new(banner)
  @opts.on("-e [extension]", "target file extension. (default: .rb)"){|v| ext = v }
  @opts.parse!(arguments)
  dir_base = arguments[0]
  context = arguments[1]
  return self.exit_with_usage if context.nil?
  return self.exit_with_usage if dir_base.nil?

  file_paths = find_file_paths(dir_base, ext)
  loop do
    messages = []
    messages << sprintf("Target directory is %s", dir_base)
    messages << sprintf("Context is %s", context)
    messages << sprintf("Target file count is %s. Are yor sure?[Y/n]", file_paths.count)
    input = Readline.readline(messages.join("\n"))
    break if input == 'Y'
    return 0 if input == 'n'
  end

  count = 0
  file_paths.each do |file_path|
    result = prepend_on_file!(file_path, context)
    count += 1 if result
  end
  puts sprintf('%s files has been matched.', file_paths.count)
  puts sprintf('%s files has been updated.', count)
  return 1
end