Method: Label.process

Defined in:
lib/label.rb

.process(gemfile, describing = nil, described = nil) ⇒ Object

Process the given Gemfile.

gemfile - A String describing the path to a Gemfile. describing - A Proc to be called once a query to describe a gem begins.

Receives the name of the gem as an argument.

described - A Proc to be called once a query to describe a gem completes.

Receives the description as an argument.



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# File 'lib/label.rb', line 28

def process gemfile, describing = nil, described = nil
  file = read gemfile

  lines = file.read.split "\n"

  processed_lines = []

  lines.each_with_index do |line, i|
    matches = line.match /^( *)gem ['"](.+?)['"]/

    if matches
      previous_line = lines[i - 1]

      whitespace = matches[1]
      gem        = matches[2]
      source     = extract_source_and_options line

      unless previous_line =~ /^ *#/
        describing.call gem if describing

        description = describe gem, source

        described.call description if described

        processed_lines << format(description, "#{whitespace}#")
      end
    end

    processed_lines << line
  end

  processed_lines.join("\n") + "\n"
end