Class: Snaptoken::Representations::Litdiff

Inherits:
BaseRepresentation show all
Defined in:
lib/snaptoken/representations/litdiff.rb

Instance Method Summary collapse

Methods inherited from BaseRepresentation

#exists?, #initialize, #modified?

Constructor Details

This class inherits a constructor from Snaptoken::Representations::BaseRepresentation

Instance Method Details

#load!(options = {}) ⇒ Object 



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# File 'lib/snaptoken/representations/litdiff.rb', line 26

def load!(options = {})
  step_num = 1
  @tutorial.clear
  Dir[File.join(path, "*.litdiff")].sort_by { |f| File.basename(f).to_i }.each do |diff_path|
    filename = File.basename(diff_path).sub(/\.litdiff$/, "").sub(/^\d+\./, "")
    page = Snaptoken::Page.new(filename)
    File.open(diff_path, "r") do |f|
      cur_text = ""
      cur_diff = nil
      cur_summary = nil
      while line = f.gets
        if line.start_with? "~~~"
          cur_summary = (line[3..-1] || "").strip
          cur_diff = ""
        elsif cur_diff
          if line.chomp.empty?
            step_diffs = Snaptoken::Diff.parse(cur_diff)
            page << Snaptoken::Step.new(step_num, cur_summary, cur_text.strip, step_diffs)

            yield step_num if block_given?
            step_num += 1

            cur_text = ""
            cur_summary = nil
            cur_diff = nil
          else
            cur_diff << line.sub(/^\|/, " ")
          end
        else
          cur_text << line
        end
      end
      if cur_diff
        step_diffs = Snaptoken::Diff.parse(cur_diff)
        page << Snaptoken::Step.new(step_num, cur_summary, cur_text.strip, step_diffs)
      elsif !cur_text.strip.empty?
        page.footer_text = cur_text.strip
      end
    end
    @tutorial << page
  end
  @tutorial
end

#path ⇒ Object 



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# File 'lib/snaptoken/representations/litdiff.rb', line 70

def path
  File.join(@tutorial.config[:path], "doc")
end

#save!(options = {}) ⇒ Object 



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# File 'lib/snaptoken/representations/litdiff.rb', line 2

def save!(options = {})
  FileUtils.mkdir_p(path)
  FileUtils.rm_rf(File.join(path, "."), secure: true)

  step_num = 1
  @tutorial.pages.each.with_index do |page, page_idx|
    output = ""
    page.steps.each do |step|
      output << step.text << "\n\n" unless step.text.empty?
      output << "~~~ #{step.summary}\n"
      output << step.to_patch(unchanged_char: "|") << "\n"

      yield step_num if block_given?
      step_num += 1
    end
    output << page.footer_text << "\n" if page.footer_text

    filename = page.filename + ".litdiff"
    filename = "%02d.%s" % [page_idx + 1, filename] if @tutorial.pages.length > 1

    File.write(File.join(path, filename), output)
  end
end