Rakefile

require 'fileutils'
require 'rake/clean'
require 'yaml'

BOOK = "book"
BOOK_PDF = BOOK+".pdf"
BOOK_EPUB = BOOK+".epub"
CATALOG_FILE = "catalog.yml"
CONFIG_FILE = "config.yml"
WEBROOT = "webroot"
COVER = "titlepage.tex"

def build(mode, chapter)
  sh "review-compile --target=#{mode} --footnotetext --stylesheet=style.css #{chapter} > tmp"
  mode_ext = {"html" => "html", "latex" => "tex",
              "idgxml" => "xml"}
  FileUtils.mv "tmp", chapter.gsub(/re\z/, mode_ext[mode])
end

def build_all(mode)
  sh "review-compile --target=#{mode} --footnotetext --stylesheet=style.css"
end

def convert_summary
  catalog = Hash.new { |h, k| h[k] = [] }
  catalog['PREDEF'] = ['README.re']
  File.read("SUMMARY.md").scan(/\((.*.md)/).flatten.each do |file|
    case file
    when /appendix/
      catalog['APPENDIX'] << file.ext('.re')
    when /postdef/
      catalog['POSTDEF'] << file.ext('.re')
    else
      catalog['CHAPS'] << file.ext('.re')
    end
  end
  File.write(CATALOG_FILE, YAML.dump(catalog))
end

task :default => :pdf

desc "build html (Usage: rake build re=target.re)"
task :html do
  if ENV['re'].nil?
    puts "Usage: rake build re=target.re"
    exit
  end
  build("html", ENV['re'])
end

desc "build all html"
task :html_all do
  build_all("html")
end

desc 'preproc all'
task :preproc do
  Dir.glob("*.re").each do |file|
    sh "review-preproc --replace #{file}"
  end
end

desc 'generate PDF and EPUB file'
task :all => [:pdf, :epub]

desc 'generate PDF file'
task :pdf => BOOK_PDF

desc 'generate stagic HTML file for web'
task :web => WEBROOT

desc 'generate EPUB file'
task :epub => BOOK_EPUB

SRC = FileList['*.md'] + %w(SUMMARY.md)
OBJ = SRC.ext('re') + [CATALOG_FILE]
INPUT = OBJ + [CONFIG_FILE, COVER]

rule '.re' => '.md' do |t|
  sh "bundle exec md2review --render-link-in-footnote #{t.source} > #{t.name}"
end

file CATALOG_FILE => 'SUMMARY.md' do |t|
  convert_summary
end

file BOOK_PDF => INPUT do
  FileUtils.rm_rf [BOOK_PDF, BOOK, BOOK+"-pdf"]
  sh "review-pdfmaker #{CONFIG_FILE}"
end

file BOOK_EPUB => INPUT do
  FileUtils.rm_rf [BOOK_EPUB, BOOK, BOOK+"-epub"]
  sh "review-epubmaker #{CONFIG_FILE}"
end

file WEBROOT => INPUT do
  FileUtils.rm_rf [WEBROOT]
  sh "review-webmaker #{CONFIG_FILE}"
end

CLEAN.include([OBJ, BOOK, BOOK_PDF, BOOK_EPUB, BOOK+"-pdf", BOOK+"-epub", WEBROOT])