Class: ReVIEW::EPUBMaker
- Includes:
- CallHook, Loggable, MakerHelper
- Defined in:
- lib/review/epubmaker.rb,
lib/review/epubmaker/epubv2.rb,
lib/review/epubmaker/epubv3.rb,
lib/review/epubmaker/content.rb,
lib/review/epubmaker/producer.rb,
lib/review/epubmaker/epubcommon.rb,
lib/review/epubmaker/zip_exporter.rb,
lib/review/epubmaker/reviewheaderlistener.rb
Defined Under Namespace
Classes: Content, EPUBCommon, EPUBv2, EPUBv3, Producer, ReVIEWHeaderListener, ZipExporter
Instance Attribute Summary
Attributes included from Loggable
Class Method Summary collapse
Instance Method Summary collapse
- #build_body(basetmpdir, yamlfile) ⇒ Object
- #build_chap(chap, base_path, basetmpdir, ispart) ⇒ Object
- #build_part(part, basetmpdir, htmlfile) ⇒ Object
- #build_path ⇒ Object
- #build_titlepage(basetmpdir, htmlfile) ⇒ Object
- #check_compile_status ⇒ Object
- #check_image_size(basetmpdir, maxpixels, allow_exts = nil) ⇒ Object
- #copy_backmatter(basetmpdir) ⇒ Object
- #copy_frontmatter(basetmpdir) ⇒ Object
- #copy_images(resdir, destdir, allow_exts = nil) ⇒ Object
- #copy_resources(resdir, destdir, allow_exts = nil) ⇒ Object
- #copy_static_file(configname, destdir, destfilename: nil) ⇒ Object
- #copy_stylesheet(basetmpdir) ⇒ Object
- #detect_properties(path) ⇒ Object
- #execute(*args) ⇒ Object
-
#initialize ⇒ EPUBMaker
constructor
A new instance of EPUBMaker.
- #parse_headlines(path) ⇒ Object
- #parse_opts(args) ⇒ Object
- #produce(yamlfile, bookname = nil) ⇒ Object
- #push_contents(_basetmpdir) ⇒ Object
- #recursive_copy_files(resdir, destdir, allow_exts) ⇒ Object
- #remove_hidden_title(basetmpdir, htmlfile) ⇒ Object
- #template_name ⇒ Object
- #update_log_level ⇒ Object
- #verify_target_images(basetmpdir) ⇒ Object
- #write_buildlogtxt(basetmpdir, htmlfile, reviewfile) ⇒ Object
- #write_info_body(basetmpdir, _id, filename, ispart = nil, chaptype = nil) ⇒ Object
Methods included from CallHook
Methods included from Loggable
#app_error, #debug, #error, #error!, #warn
Methods included from MakerHelper
Constructor Details
Class Method Details
.execute(*args) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 47 def self.execute(*args) self.new.execute(*args) end |
Instance Method Details
#build_body(basetmpdir, yamlfile) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 275 def build_body(basetmpdir, yamlfile) @precount = 0 @bodycount = 0 @postcount = 0 @manifeststr = '' @ncxstr = '' @tocdesc = [] basedir = File.dirname(yamlfile) base_path = Pathname.new(basedir) book = ReVIEW::Book::Base.new(basedir, config: @config) @converter = ReVIEW::Converter.new(book, ReVIEW::HTMLBuilder.new(img_math: @img_math)) @compile_errors = nil book.parts.each do |part| if part.name.present? if part.file? build_chap(part, base_path, basetmpdir, true) else htmlfile = "part_#{part.number}.#{@config['htmlext']}" build_part(part, basetmpdir, htmlfile) title = ReVIEW::I18n.t('part', part.number) if part.name.strip.present? title += ReVIEW::I18n.t('chapter_postfix') + part.name.strip end @htmltoc.add_item(0, htmlfile, title, chaptype: 'part') write_buildlogtxt(basetmpdir, htmlfile, '') end end part.chapters.each do |chap| build_chap(chap, base_path, basetmpdir, false) end end check_compile_status end |
#build_chap(chap, base_path, basetmpdir, ispart) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 334 def build_chap(chap, base_path, basetmpdir, ispart) chaptype = 'body' if ispart chaptype = 'part' elsif chap.on_predef? chaptype = 'pre' elsif chap.on_appendix? chaptype = 'appendix' elsif chap.on_postdef? chaptype = 'post' end filename = if ispart.present? chap.path else Pathname.new(chap.path).relative_path_from(base_path).to_s end id = File.basename(filename).sub(/\.re\Z/, '') if @config['epubmaker']['rename_for_legacy'] && ispart.nil? if chap.on_predef? @precount += 1 id = sprintf('pre%02d', @precount) elsif chap.on_appendix? @postcount += 1 id = sprintf('post%02d', @postcount) else @bodycount += 1 id = sprintf('chap%02d', @bodycount) end end if @buildonly && !@buildonly.include?(id) warn "skip #{id}.re" return end htmlfile = "#{id}.#{@config['htmlext']}" write_buildlogtxt(basetmpdir, htmlfile, filename) debug("Create #{htmlfile} from #{filename}.") if @config['params'].present? warn %Q('params:' in config.yml is obsoleted.) if @config['params'] =~ /stylesheet=/ warn %Q(stylesheets should be defined in 'stylesheet:', not in 'params:') end end begin @converter.convert(filename, File.join(basetmpdir, htmlfile)) write_info_body(basetmpdir, id, htmlfile, ispart, chaptype) remove_hidden_title(basetmpdir, htmlfile) rescue => e @compile_errors = true error "compile error in #{filename} (#{e.class})" error e. end end |
#build_part(part, basetmpdir, htmlfile) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 313 def build_part(part, basetmpdir, htmlfile) debug("Create #{htmlfile} from a template.") File.open(File.join(basetmpdir, htmlfile), 'w') do |f| @part_number = part.number @part_title = part.name.strip @body = ReVIEW::Template.generate(path: 'html/_part_body.html.erb', binding: binding) @language = @producer.config['language'] @stylesheets = @producer.config['stylesheet'] f.write ReVIEW::Template.generate(path: template_name, binding: binding) end end |
#build_path ⇒ Object
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# File 'lib/review/epubmaker.rb', line 102 def build_path if @config['debug'] path = File.("#{@config['bookname']}-epub", Dir.pwd) if File.exist?(path) FileUtils.rm_rf(path, secure: true) end Dir.mkdir(path) path else Dir.mktmpdir("#{@config['bookname']}-epub-") end end |
#build_titlepage(basetmpdir, htmlfile) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 547 def build_titlepage(basetmpdir, htmlfile) # TODO: should be created via epubcommon @title = h(@config.name_of('booktitle')) File.open(File.join(basetmpdir, htmlfile), 'w') do |f| @body = '' @body << %Q(<div class="titlepage">\n) @body << %Q(<h1 class="tp-title">#{h(@config.name_of('booktitle'))}</h1>\n) if @config['subtitle'] @body << %Q(<h2 class="tp-subtitle">#{h(@config.name_of('subtitle'))}</h2>\n) end if @config['aut'] @body << %Q(<h2 class="tp-author">#{h(@config.names_of('aut').join(ReVIEW::I18n.t('names_splitter')))}</h2>\n) end if @config['pbl'] @body << %Q(<h3 class="tp-publisher">#{h(@config.names_of('pbl').join(ReVIEW::I18n.t('names_splitter')))}</h3>\n) end @body << '</div>' @language = @producer.config['language'] @stylesheets = @producer.config['stylesheet'] f.write ReVIEW::Template.generate(path: template_name, binding: binding) end end |
#check_compile_status ⇒ Object
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# File 'lib/review/epubmaker.rb', line 269 def check_compile_status return unless @compile_errors error! 'compile error, No EPUB file output.' end |
#check_image_size(basetmpdir, maxpixels, allow_exts = nil) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 615 def check_image_size(basetmpdir, maxpixels, allow_exts = nil) begin require 'image_size' rescue LoadError return nil end require 'find' allow_exts ||= @config['image_ext'] pat = '\\.(' + allow_exts.delete_if { |t| %w[ttf woff otf].member?(t.downcase) }.join('|') + ')' extre = Regexp.new(pat, Regexp::IGNORECASE) Find.find(basetmpdir) do |fname| next unless fname.match(extre) img = ImageSize.path(fname) next if img.width.nil? || img.width * img.height <= maxpixels h = Math.sqrt(img.height * maxpixels / img.width) w = maxpixels / h fname.sub!("#{basetmpdir}/", '') warn "#{fname}: #{img.width}x#{img.height} exceeds a limit. suggeted value is #{w.to_i}x#{h.to_i}" end true end |
#copy_backmatter(basetmpdir) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 571 def copy_backmatter(basetmpdir) if @config['profile'] copy_static_file('profile', basetmpdir) @htmltoc.add_item(1, File.basename(@config['profile']), ReVIEW::I18n.t('profiletitle'), chaptype: 'post') end if @config['advfile'] copy_static_file('advfile', basetmpdir) @htmltoc.add_item(1, File.basename(@config['advfile']), ReVIEW::I18n.t('advtitle'), chaptype: 'post') end if @config['colophon'] if @config['colophon'].is_a?(String) copy_static_file('colophon', basetmpdir, destfilename: "colophon.#{@config['htmlext']}") # override pre-built colophon end @htmltoc.add_item(1, "colophon.#{@config['htmlext']}", ReVIEW::I18n.t('colophontitle'), chaptype: 'post') end if @config['backcover'] copy_static_file('backcover', basetmpdir) @htmltoc.add_item(1, File.basename(@config['backcover']), ReVIEW::I18n.t('backcovertitle'), chaptype: 'post') end true end |
#copy_frontmatter(basetmpdir) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 511 def copy_frontmatter(basetmpdir) if @config['cover'].present? && File.exist?(@config['cover']) copy_static_file('cover', basetmpdir) end if @config['titlepage'] if @config['titlefile'].nil? build_titlepage(basetmpdir, "titlepage.#{@config['htmlext']}") else copy_static_file('titlefile', basetmpdir, destfilename: "titlepage.#{@config['htmlext']}") end @htmltoc.add_item(1, "titlepage.#{@config['htmlext']}", ReVIEW::I18n.t('titlepagetitle'), chaptype: 'pre') end if @config['originaltitlefile'].present? copy_static_file('originaltitlefile', basetmpdir) @htmltoc.add_item(1, File.basename(@config['originaltitlefile']), ReVIEW::I18n.t('originaltitle'), chaptype: 'pre') end if @config['creditfile'].present? copy_static_file('creditfile', basetmpdir) @htmltoc.add_item(1, File.basename(@config['creditfile']), ReVIEW::I18n.t('credittitle'), chaptype: 'pre') end true end |
#copy_images(resdir, destdir, allow_exts = nil) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 222 def copy_images(resdir, destdir, allow_exts = nil) return nil unless File.exist?(resdir) allow_exts ||= @config['image_ext'] FileUtils.mkdir_p(destdir) if @config['epubmaker']['verify_target_images'].present? @config['epubmaker']['force_include_images'].each do |file| unless File.exist?(file) if file !~ /\Ahttps?:/ warn "#{file} is not found, skip." end next end basedir = File.dirname(file) FileUtils.mkdir_p(File.join(destdir, basedir)) debug("Copy #{file} to the temporary directory.") FileUtils.cp(file, File.join(destdir, basedir), preserve: true) end else recursive_copy_files(resdir, destdir, allow_exts) end end |
#copy_resources(resdir, destdir, allow_exts = nil) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 245 def copy_resources(resdir, destdir, allow_exts = nil) return nil unless File.exist?(resdir) allow_exts ||= @config['image_ext'] FileUtils.mkdir_p(destdir) recursive_copy_files(resdir, destdir, allow_exts) end |
#copy_static_file(configname, destdir, destfilename: nil) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 502 def copy_static_file(configname, destdir, destfilename: nil) destfilename ||= @config[configname] unless File.exist?(@config[configname]) error! "#{configname}: #{@config[configname]} is not found." end FileUtils.cp(@config[configname], File.join(destdir, destfilename), preserve: true) end |
#copy_stylesheet(basetmpdir) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 490 def copy_stylesheet(basetmpdir) return if @config['stylesheet'].empty? @config['stylesheet'].each do |sfile| unless File.exist?(sfile) error! "stylesheet: #{sfile} is not found." end FileUtils.cp(sfile, basetmpdir, preserve: true) @producer.contents.push(ReVIEW::EPUBMaker::Content.new(file: sfile)) end end |
#detect_properties(path) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 405 def detect_properties(path) properties = [] File.open(path) do |f| doc = REXML::Document.new(f) if REXML::XPath.first(doc, '//m:math', 'm' => 'http://www.w3.org/1998/Math/MathML') properties << 'mathml' end if REXML::XPath.first(doc, '//s:svg', 's' => 'http://www.w3.org/2000/svg') properties << 'svg' end end properties end |
#execute(*args) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 74 def execute(*args) cmd_config, yamlfile, exportfile = parse_opts(args) error! "#{yamlfile} not found." unless File.exist?(yamlfile) @config = ReVIEW::Configure.create(maker: 'epubmaker', yamlfile: yamlfile, config: cmd_config) @producer = ReVIEW::EPUBMaker::Producer.new(@config) update_log_level debug("Loaded yaml file (#{yamlfile}).") @basedir = File.absolute_path(File.dirname(yamlfile)) produce(yamlfile, exportfile) end |
#parse_headlines(path) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 419 def parse_headlines(path) headlines = [] File.open(path) do |htmlio| REXML::Document.parse_stream(htmlio, ReVIEWHeaderListener.new(headlines)) end headlines end |
#parse_opts(args) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 51 def parse_opts(args) cmd_config = {} opts = OptionParser.new @buildonly = nil opts. = 'Usage: review-epubmaker [options] configfile [export_filename]' opts.version = ReVIEW::VERSION opts.on('--help', 'Prints this message and quit.') do puts opts.help exit 0 end opts.on('--[no-]debug', 'Keep temporary files.') { |debug| cmd_config['debug'] = debug } opts.on('-y', '--only file1,file2,...', 'Build only specified files.') { |v| @buildonly = v.split(/\s*,\s*/).map { |m| m.strip.sub(/\.re\Z/, '') } } opts.parse!(args) if args.size < 1 || args.size > 2 puts opts.help exit 0 end [cmd_config, args[0], args[1]] end |
#produce(yamlfile, bookname = nil) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 115 def produce(yamlfile, bookname = nil) I18n.setup(@config['language']) bookname ||= @config['bookname'] booktmpname = "#{bookname}-epub" @img_math = ReVIEW::ImgMath.new(@config) begin @config.check_version(ReVIEW::VERSION, exception: true) rescue ReVIEW::ConfigError => e warn e. end debug("#{bookname}.epub will be created.") FileUtils.rm_f("#{bookname}.epub") if @config['debug'] FileUtils.rm_rf(booktmpname) end @img_math.cleanup_mathimg basetmpdir = build_path begin debug("Created first temporary directory as #{basetmpdir}.") call_hook('hook_beforeprocess', basetmpdir, base_dir: @basedir) @htmltoc = ReVIEW::HTMLToc.new(basetmpdir) ## copy all files into basetmpdir copy_stylesheet(basetmpdir) copy_frontmatter(basetmpdir) call_hook('hook_afterfrontmatter', basetmpdir, base_dir: @basedir) build_body(basetmpdir, yamlfile) call_hook('hook_afterbody', basetmpdir, base_dir: @basedir) copy_backmatter(basetmpdir) if @config['math_format'] == 'imgmath' @img_math.make_math_images end call_hook('hook_afterbackmatter', basetmpdir, base_dir: @basedir) ## push contents in basetmpdir into @producer push_contents(basetmpdir) if @config['epubmaker']['verify_target_images'].present? verify_target_images(basetmpdir) copy_images(@config['imagedir'], basetmpdir) else copy_images(@config['imagedir'], File.join(basetmpdir, @config['imagedir'])) end copy_resources('covers', File.join(basetmpdir, @config['imagedir'])) copy_resources('adv', File.join(basetmpdir, @config['imagedir'])) copy_resources(@config['fontdir'], File.join(basetmpdir, 'fonts'), @config['font_ext']) call_hook('hook_aftercopyimage', basetmpdir, base_dir: @basedir) @producer.import_imageinfo(File.join(basetmpdir, @config['imagedir']), basetmpdir) @producer.import_imageinfo(File.join(basetmpdir, 'fonts'), basetmpdir, @config['font_ext']) check_image_size(basetmpdir, @config['image_maxpixels'], @config['image_ext']) epubtmpdir = nil if @config['debug'].present? epubtmpdir = File.join(basetmpdir, booktmpname) Dir.mkdir(epubtmpdir) end debug('Call ePUB producer.') @producer.produce("#{bookname}.epub", basetmpdir, epubtmpdir, base_dir: @basedir) debug('Finished.') @logger.success("built #{bookname}.epub") rescue ApplicationError => e raise if @config['debug'] error! e. ensure FileUtils.remove_entry_secure(basetmpdir) unless @config['debug'] end end |
#push_contents(_basetmpdir) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 467 def push_contents(_basetmpdir) @htmltoc.each_item do |level, file, title, args| next if level.to_i > @config['toclevel'] && args[:force_include].nil? debug("Push #{file} to ePUB contents.") params = { file: file, level: level.to_i, title: title, chaptype: args[:chaptype] } if args[:id].present? params[:id] = args[:id] end if args[:properties].present? params[:properties] = args[:properties].split(' ') # rubocop:disable Style/RedundantArgument end if args[:notoc].present? params[:notoc] = args[:notoc] end @producer.contents.push(ReVIEW::EPUBMaker::Content.new(**params)) end end |
#recursive_copy_files(resdir, destdir, allow_exts) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 253 def recursive_copy_files(resdir, destdir, allow_exts) Dir.open(resdir) do |dir| dir.each do |fname| next if fname.start_with?('.') if FileTest.directory?(File.join(resdir, fname)) recursive_copy_files(File.join(resdir, fname), File.join(destdir, fname), allow_exts) elsif fname =~ /\.(#{allow_exts.join('|')})\Z/i FileUtils.mkdir_p(destdir) debug("Copy #{resdir}/#{fname} to the temporary directory.") FileUtils.cp(File.join(resdir, fname), destdir, preserve: true) end end end end |
#remove_hidden_title(basetmpdir, htmlfile) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 394 def remove_hidden_title(basetmpdir, htmlfile) File.open(File.join(basetmpdir, htmlfile), 'r+') do |f| body = f.read. gsub(%r{<h\d .*?hidden=['"]true['"].*?>.*?</h\d>\n}, ''). gsub(%r{(<h\d .*?)\s*notoc=['"]true['"]\s*(.*?>.*?</h\d>\n)}, '\1\2') f.rewind f.print body f.truncate(f.tell) end end |
#template_name ⇒ Object
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# File 'lib/review/epubmaker.rb', line 326 def template_name if @producer.config['htmlversion'].to_i == 5 './html/layout-html5.html.erb' else './html/layout-xhtml1.html.erb' end end |
#update_log_level ⇒ Object
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# File 'lib/review/epubmaker.rb', line 89 def update_log_level if @config['debug'] if @logger.ttylogger? ReVIEW.logger = nil @logger = ReVIEW.logger(level: 'debug') else @logger.level = Logger::DEBUG end elsif !@logger.ttylogger? @logger.level = Logger::INFO end end |
#verify_target_images(basetmpdir) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 197 def verify_target_images(basetmpdir) @producer.contents.each do |content| case content.media when 'application/xhtml+xml' File.open("#{basetmpdir}/#{content.file}") do |f| REXML::Document.new(File.new(f)).each_element('//img') do |e| @config['epubmaker']['force_include_images'].push(e.attributes['src']) if e.attributes['src'] =~ /svg\Z/i content.properties.push('svg') end end end when 'text/css' File.open(File.join(basetmpdir, content.file)) do |f| f.each_line do |l| l.scan(/url\((.+?)\)/) do |_m| @config['epubmaker']['force_include_images'].push($1.strip) end end end end end @config['epubmaker']['force_include_images'] = @config['epubmaker']['force_include_images'].compact.sort.uniq end |
#write_buildlogtxt(basetmpdir, htmlfile, reviewfile) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 609 def write_buildlogtxt(basetmpdir, htmlfile, reviewfile) File.open(File.join(basetmpdir, @buildlogtxt), 'a') do |f| f.puts "#{htmlfile},#{reviewfile}" end end |
#write_info_body(basetmpdir, _id, filename, ispart = nil, chaptype = nil) ⇒ Object
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# File 'lib/review/epubmaker.rb', line 429 def write_info_body(basetmpdir, _id, filename, ispart = nil, chaptype = nil) path = File.join(basetmpdir, filename) headlines = parse_headlines(path) if headlines.empty? warn "#{filename} is discarded because there is no heading. Use `=[notoc]' or `=[nodisp]' to exclude headlines from the table of contents." return end properties = detect_properties(path) if properties.present? prop_str = ',properties=' + properties.join(' ') else prop_str = '' end first = true headlines.each do |headline| if ispart.present? && headline['level'] == 1 headline['level'] = 0 end if first.nil? @htmltoc.add_item(headline['level'], filename + '#' + headline['id'], headline['title'], { chaptype: chaptype, notoc: headline['notoc'] }) else @htmltoc.add_item(headline['level'], filename, headline['title'], { force_include: true, chaptype: chaptype + prop_str, notoc: headline['notoc'] }) first = nil end end end |