Class: EPUBMaker::EPUBCommon

Inherits:
Object
  • Object
show all
Defined in:
lib/epubmaker/epubcommon.rb

Overview

EPUBCommon is the common class for EPUB producer.

Direct Known Subclasses

EPUBv2, EPUBv3

Instance Method Summary collapse

Constructor Details

#initialize(producer) ⇒ EPUBCommon

Construct object with parameter hash config and message resource hash res.



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# File 'lib/epubmaker/epubcommon.rb', line 19

def initialize(producer)
  @body_ext = ''
  @producer = producer
  @body_ext = nil
end

Instance Method Details

#colophon ⇒ Object

Return colophon content.



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# File 'lib/epubmaker/epubcommon.rb', line 211

def colophon
  @title = CGI.escapeHTML(@producer.res.v('colophontitle'))
  @body = <<EOT
  <div class="colophon">
EOT

  if @producer.config['subtitle'].nil?
    @body << <<EOT
<p class="title">#{CGI.escapeHTML(@producer.config.name_of('title'))}</p>
EOT
  else
    @body << <<EOT
<p class="title">#{CGI.escapeHTML(@producer.config.name_of('title'))}<br /><span class="subtitle">#{CGI.escapeHTML(@producer.config.name_of('subtitle'))}</span></p>
EOT
  end

  @body << colophon_history if @producer.config['date'] || @producer.config['history']

  @body << %Q(    <table class="colophon">\n)
  @body << @producer.config['colophon_order'].map do |role|
    if @producer.config[role]
      %Q(      <tr><th>#{CGI.escapeHTML(@producer.res.v(role))}</th><td>#{CGI.escapeHTML(join_with_separator(@producer.config.names_of(role), ReVIEW::I18n.t('names_splitter')))}</td></tr>\n)
    else
      ''
    end
  end.join

  @body << %Q(      <tr><th>ISBN</th><td>#{@producer.isbn_hyphen}</td></tr>\n) if @producer.isbn_hyphen
  @body << %Q(    </table>\n)
  if @producer.config['rights'] && !@producer.config['rights'].empty?
    @body << %Q(    <p class="copyright">#{join_with_separator(@producer.config.names_of('rights').map { |m| CGI.escapeHTML(m) }, '<br />')}</p>\n)
  end
  @body << %Q(  </div>\n)

  @language = @producer.config['language']
  @stylesheets = @producer.config['stylesheet']
  tmplfile = if @producer.config['htmlversion'].to_i == 5
               File.expand_path('./html/layout-html5.html.erb', ReVIEW::Template::TEMPLATE_DIR)
             else
               File.expand_path('./html/layout-xhtml1.html.erb', ReVIEW::Template::TEMPLATE_DIR)
             end
  tmpl = ReVIEW::Template.load(tmplfile)
  tmpl.result(binding)
end

#colophon_history ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 256

def colophon_history
  buf = ''
  buf << %Q(    <div class="pubhistory">\n)
  if @producer.config['history']
    @producer.config['history'].each_with_index do |items, edit|
      items.each_with_index do |item, rev|
        editstr = edit == 0 ? ReVIEW::I18n.t('first_edition') : ReVIEW::I18n.t('nth_edition', (edit + 1).to_s)
        revstr = ReVIEW::I18n.t('nth_impression', (rev + 1).to_s)
        if item =~ /\A\d+\-\d+\-\d+\Z/
          buf << %Q(      <p>#{ReVIEW::I18n.t('published_by1', [date_to_s(item), editstr + revstr])}</p>\n)
        elsif item =~ /\A(\d+\-\d+\-\d+)[\s　](.+)/
          # custom date with string
          item.match(/\A(\d+\-\d+\-\d+)[\s　](.+)/) do |m|
            buf << %Q(      <p>#{ReVIEW::I18n.t('published_by3', [date_to_s(m[1]), m[2]])}</p>\n)
          end
        else
          # free format
          buf << %Q(      <p>#{item}</p>\n)
        end
      end
    end
  else
    buf << %Q(      <p>#{ReVIEW::I18n.t('published_by2', date_to_s(@producer.config['date']))}</p>\n)
  end
  buf << %Q(    </div>\n)
  buf
end

#container ⇒ Object

Return container content.



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# File 'lib/epubmaker/epubcommon.rb', line 118

def container
  @opf_path = opf_path
  tmplfile = File.expand_path('./xml/container.xml.erb', ReVIEW::Template::TEMPLATE_DIR)
  tmpl = ReVIEW::Template.load(tmplfile)
  tmpl.result(binding)
end

#cover(type = nil) ⇒ Object

Return cover content.



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# File 'lib/epubmaker/epubcommon.rb', line 126

def cover(type = nil)
  @body_ext = type.nil? ? '' : %Q( epub:type="#{type}")

  if @producer.config['coverimage']
    file = @producer.coverimage
    raise "coverimage #{@producer.config['coverimage']} not found. Abort." unless file
    @body = <<-EOT
  <div id="cover-image" class="cover-image">
<img src="#{file}" alt="#{CGI.escapeHTML(@producer.config.name_of('title'))}" class="max"/>
  </div>
    EOT
  else
    @body = <<-EOT
<h1 class="cover-title">#{CGI.escapeHTML(@producer.config.name_of('title'))}</h1>
    EOT
    if @producer.config['subtitle']
      @body << <<-EOT
<h2 class="cover-subtitle">#{CGI.escapeHTML(@producer.config.name_of('subtitle'))}</h2>
      EOT
    end
  end

  @title = CGI.escapeHTML(@producer.config.name_of('title'))
  @language = @producer.config['language']
  @stylesheets = @producer.config['stylesheet']
  tmplfile = if @producer.config['htmlversion'].to_i == 5
               File.expand_path('./html/layout-html5.html.erb', ReVIEW::Template::TEMPLATE_DIR)
             else
               File.expand_path('./html/layout-xhtml1.html.erb', ReVIEW::Template::TEMPLATE_DIR)
             end
  tmpl = ReVIEW::Template.load(tmplfile)
  tmpl.result(binding)
end

#date_to_s(date) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 284

def date_to_s(date)
  require 'date'
  d = Date.parse(date)
  d.strftime(ReVIEW::I18n.t('date_format'))
end

#flat_ncx(type, indent = nil) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 383

def flat_ncx(type, indent = nil)
  s = %Q(<#{type} class="toc-h1">\n)
  @producer.contents.each do |item|
    next if !item.notoc.nil? || item.level.nil? || item.file.nil? || item.title.nil? || item.level > @producer.config['toclevel'].to_i
    is = indent == true ? '　' * item.level : ''
    s << %Q(<li><a href="#{item.file}">#{is}#{CGI.escapeHTML(item.title)}</a></li>\n)
  end
  s << %Q(</#{type}>\n)

  s
end

#hierarchy_ncx(type) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 312

def hierarchy_ncx(type)
  require 'rexml/document'
  level = 1
  find_jump = nil
  has_part = nil
  toclevel = @producer.config['toclevel'].to_i

  # check part existance
  @producer.contents.each do |item|
    next if item.notoc || item.chaptype != 'part'

    has_part = true
    break
  end

  if has_part
    @producer.contents.each do |item|
      if item.chaptype == 'part' && item.level > 0
        # sections in part
        item.level -= 1
      end
      # down level for part and chaps. pre, appendix, post are preserved
      if item.chaptype == 'part' || item.chaptype == 'body'
        item.level += 1
      end
    end
    toclevel += 1
  end

  doc = REXML::Document.new(%Q(<#{type} class="toc-h#{level}"><li /></#{type}>))
  doc.context[:attribute_quote] = :quote

  e = doc.root.elements[1] # first <li/>
  @producer.contents.each do |item|
    next if !item.notoc.nil? || item.level.nil? || item.file.nil? || item.title.nil? || item.level > toclevel

    if item.level == level
      e2 = e.parent.add_element('li')
      e = e2
    elsif item.level > level
      find_jump = true if (item.level - level) > 1
      # deeper
      (level + 1).upto(item.level) do |n|
        if e.size == 0
          # empty span for epubcheck
          e.attributes['style'] = 'list-style-type: none;'
          es = e.add_element('span', 'style' => 'display:none;')
          es.add_text(REXML::Text.new('&#xa0;', false, nil, true))
        end

        e2 = e.add_element(type, 'class' => "toc-h#{n}")
        e3 = e2.add_element('li')
        e = e3
      end
      level = item.level
    elsif item.level < level
      # shallower
      (level - 1).downto(item.level) { e = e.parent.parent }
      e2 = e.parent.add_element('li')
      e = e2
      level = item.level
    end
    e2 = e.add_element('a', 'href' => item.file)
    e2.add_text(REXML::Text.new(item.title, true))
  end

  warn %Q(found level jumping in table of contents. consider to use 'epubmaker:flattoc: true' for strict ePUB validator.) unless find_jump.nil?

  doc.to_s.gsub('<li/>', '').gsub('</li>', "</li>\n").gsub("<#{type} ", "\n" + '\&') # ugly
end

#join_with_separator(value, sep) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 433

def join_with_separator(value, sep)
  if value.is_a?(Array)
    value.join(sep)
  else
    value
  end
end

#legacy_cover_and_title_file(loadfile, writefile) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 419

def legacy_cover_and_title_file(loadfile, writefile)
  @title = @producer.config['booktitle']
  s = ''
  File.open(loadfile) do |f|
    f.each_line do |l|
      s << l
    end
  end

  File.open(writefile, 'w') do |f|
    f.puts s
  end
end

#mimetype ⇒ Object

Return mimetype content.



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# File 'lib/epubmaker/epubcommon.rb', line 26

def mimetype
  'application/epub+zip'
end

#mytoc ⇒ Object

Return own toc content.



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# File 'lib/epubmaker/epubcommon.rb', line 291

def mytoc
  @title = CGI.escapeHTML(@producer.res.v('toctitle'))

  @body = %Q(  <h1 class="toc-title">#{CGI.escapeHTML(@producer.res.v('toctitle'))}</h1>\n)
  if @producer.config['epubmaker']['flattoc'].nil?
    @body << hierarchy_ncx('ul')
  else
    @body << flat_ncx('ul', @producer.config['epubmaker']['flattocindent'])
  end

  @language = @producer.config['language']
  @stylesheets = @producer.config['stylesheet']
  tmplfile = if @producer.config['htmlversion'].to_i == 5
               File.expand_path('./html/layout-html5.html.erb', ReVIEW::Template::TEMPLATE_DIR)
             else
               File.expand_path('./html/layout-xhtml1.html.erb', ReVIEW::Template::TEMPLATE_DIR)
             end
  tmpl = ReVIEW::Template.load(tmplfile)
  tmpl.result(binding)
end

#ncx_doctitle ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 59

def ncx_doctitle
  <<EOT
  <docTitle>
<text>#{CGI.escapeHTML(@producer.config['title'])}</text>
  </docTitle>
  <docAuthor>
<text>#{@producer.config['aut'].nil? ? '' : CGI.escapeHTML(join_with_separator(@producer.config['aut'], ReVIEW::I18n.t('names_splitter')))}</text>
  </docAuthor>
EOT
end

#ncx_isbn ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 54

def ncx_isbn
  uid = @producer.config['isbn'] || @producer.config['urnid']
  %Q(    <meta name="dtb:uid" content="#{uid}"/>\n)
end

#ncx_navmap(indentarray) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 70

def ncx_navmap(indentarray)
  s = <<EOT
  <navMap>
<navPoint id="top" playOrder="1">
  <navLabel>
    <text>#{CGI.escapeHTML(@producer.config['title'])}</text>
  </navLabel>
  <content src="#{@producer.config['cover']}"/>
</navPoint>
EOT

  nav_count = 2

  unless @producer.config['mytoc'].nil?
    s << <<EOT
<navPoint id="toc" playOrder="#{nav_count}">
  <navLabel>
    <text>#{CGI.escapeHTML(@producer.res.v('toctitle'))}</text>
  </navLabel>
  <content src="#{@producer.config['bookname']}-toc.#{@producer.config['htmlext']}"/>
</navPoint>
EOT
    nav_count += 1
  end

  @producer.contents.each do |item|
    next if item.title.nil?
    indent = indentarray.nil? ? [''] : indentarray
    level = item.level.nil? ? 0 : (item.level - 1)
    level = indent.size - 1 if level >= indent.size
    s << <<EOT
<navPoint id="nav-#{nav_count}" playOrder="#{nav_count}">
  <navLabel>
    <text>#{indent[level]}#{CGI.escapeHTML(item.title)}</text>
  </navLabel>
  <content src="#{item.file}"/>
</navPoint>
EOT
    nav_count += 1
  end

  s << <<EOT
  </navMap>
EOT
  s
end

#opf_coverimage ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 34

def opf_coverimage
  s = ''
  if @producer.config['coverimage']
    file = nil
    @producer.contents.each do |item|
      if !item.media.start_with?('image') || item.file !~ /#{@producer.config['coverimage']}\Z/
        next
      end
      s << %Q(    <meta name="cover" content="#{item.id}"/>\n)
      file = item.file
      break
    end

    if file.nil?
      raise "coverimage #{@producer.config['coverimage']} not found. Abort."
    end
  end
  s
end

#opf_path ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 30

def opf_path
  "OEBPS/#{@producer.config['bookname']}.opf"
end

#produce_write_common(basedir, tmpdir) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 395

def produce_write_common(basedir, tmpdir)
  File.open("#{tmpdir}/mimetype", 'w') { |f| @producer.mimetype(f) }

  FileUtils.mkdir_p("#{tmpdir}/META-INF")
  File.open("#{tmpdir}/META-INF/container.xml", 'w') { |f| @producer.container(f) }

  FileUtils.mkdir_p("#{tmpdir}/OEBPS")
  File.open(File.join(tmpdir, opf_path), 'w') { |f| @producer.opf(f) }

  if File.exist?("#{basedir}/#{@producer.config['cover']}")
    FileUtils.cp("#{basedir}/#{@producer.config['cover']}", "#{tmpdir}/OEBPS")
  else
    File.open("#{tmpdir}/OEBPS/#{@producer.config['cover']}", 'w') { |f| @producer.cover(f) }
  end

  @producer.contents.each do |item|
    next if item.file =~ /#/ # skip subgroup
    fname = "#{basedir}/#{item.file}"
    raise "#{fname} doesn't exist. Abort." unless File.exist?(fname)
    FileUtils.mkdir_p(File.dirname("#{tmpdir}/OEBPS/#{item.file}"))
    FileUtils.cp(fname, "#{tmpdir}/OEBPS/#{item.file}")
  end
end

#titlepage ⇒ Object

Return title (copying) content. NOTE: this method is not used yet.

see lib/review/epubmaker.rb#build_titlepage



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# File 'lib/epubmaker/epubcommon.rb', line 163

def titlepage
  @title = CGI.escapeHTML(@producer.config.name_of('title'))

  @body = <<EOT
  <h1 class="tp-title">#{@title}</h1>
EOT

  if @producer.config['subtitle']
    @body << <<EOT
  <h2 class="tp-subtitle">#{CGI.escapeHTML(@producer.config.name_of('subtitle'))}</h2>
EOT
  end

  if @producer.config['aut']
    @body << <<EOT
  <p>
<br />
<br />
  </p>
  <h2 class="tp-author">#{CGI.escapeHTML(join_with_separator(@producer.config.names_of('aut'), ReVIEW::I18n.t('names_splitter')))}</h2>
EOT
  end

  publisher = @producer.config.names_of('pbl')
  if publisher
    @body << <<EOT
  <p>
<br />
<br />
<br />
<br />
  </p>
  <h3 class="tp-publisher">#{CGI.escapeHTML(join_with_separator(publisher, ReVIEW::I18n.t('names_splitter')))}</h3>
EOT
  end

  @language = @producer.config['language']
  @stylesheets = @producer.config['stylesheet']
  tmplfile = if @producer.config['htmlversion'].to_i == 5
               File.expand_path('./html/layout-html5.html.erb', ReVIEW::Template::TEMPLATE_DIR)
             else
               File.expand_path('./html/layout-xhtml1.html.erb', ReVIEW::Template::TEMPLATE_DIR)
             end
  tmpl = ReVIEW::Template.load(tmplfile)
  tmpl.result(binding)
end