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 params and message resource hash res.



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# File 'lib/epubmaker/epubcommon.rb', line 27

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 203

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

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

  if @producer.params["date"] || @producer.params["history"]
    @body << colophon_history
  end

  @body << %Q[    <table class="colophon">\n]
  @body << @producer.params["colophon_order"].map{ |role|
    if @producer.params[role]
      %Q[      <tr><th>#{CGI.escapeHTML(@producer.res.v(role))}</th><td>#{CGI.escapeHTML(join_with_separator(@producer.params.names_of(role), ReVIEW::I18n.t("names_splitter")))}</td></tr>\n]
    else
      ""
    end
  }.join("")

  if @producer.isbn_hyphen
    @body << %Q[      <tr><th>ISBN</th><td>#{@producer.isbn_hyphen}</td></tr>\n]
  end
  @body << %Q[    </table>\n]
  if !@producer.params["rights"].nil? && @producer.params["rights"].size > 0
    @body << %Q[    <p class="copyright">#{join_with_separator(@producer.params.names_of("rights").map {|m| CGI.escapeHTML(m)}, "<br />")}</p>\n]
  end
  @body << %Q[  </div>\n]

  @language = @producer.params['language']
  @stylesheets = @producer.params["stylesheet"]
  if @producer.params["htmlversion"].to_i == 5
    tmplfile = File.expand_path('./html/layout-html5.html.erb', ReVIEW::Template::TEMPLATE_DIR)
  else
    tmplfile = 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 252

def colophon_history
  buf = ""
  buf << %Q[    <div class="pubhistory">\n]
  if @producer.params["history"]
    @producer.params["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}")
        revstr = ReVIEW::I18n.t("nth_impression", "#{rev+1}")
        if item =~ /\A\d+\-\d+\-\d+\Z/
          buf << %Q[      <p>#{ReVIEW::I18n.t("published_by1", [date_to_s(item), editstr+revstr])}</p>\n]
        else
          # 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
        end
      end
    end
  else
    buf << %Q[      <p>#{ReVIEW::I18n.t("published_by2", date_to_s(@producer.params["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 122

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 130

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

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

  @title = CGI.escapeHTML(@producer.params.name_of("title"))
  @language = @producer.params['language']
  @stylesheets = @producer.params["stylesheet"]
  if @producer.params["htmlversion"].to_i == 5
    tmplfile = File.expand_path('./html/layout-html5.html.erb', ReVIEW::Template::TEMPLATE_DIR)
  else
    tmplfile = 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 277

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

#export_zip(tmpdir, epubfile) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 408

def export_zip(tmpdir, epubfile)
  if defined?(Zip)
    export_zip_rubyzip(tmpdir, epubfile)
  else
    export_zip_extcmd(tmpdir, epubfile)
  end
end

#export_zip_extcmd(tmpdir, epubfile) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 416

def export_zip_extcmd(tmpdir, epubfile)
  Dir.chdir(tmpdir) {|d| `#{@producer.params["epubmaker"]["zip_stage1"]} #{epubfile.shellescape} mimetype` }
  Dir.chdir(tmpdir) {|d| `#{@producer.params["epubmaker"]["zip_stage2"]} #{epubfile.shellescape} META-INF OEBPS #{@producer.params["epubmaker"]["zip_addpath"]}` }
end

#export_zip_rubyzip(tmpdir, epubfile) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 421

def export_zip_rubyzip(tmpdir, epubfile)
  Dir.chdir(tmpdir) do |d|
    Zip::OutputStream.open(epubfile) do |epub|
      root_pathname = Pathname.new(tmpdir)
      # relpath = Pathname.new(File.join(tmpdir,'mimetype')).relative_path_from(root_pathname)
      epub.put_next_entry('mimetype', nil, nil, Zip::Entry::STORED)
      epub << "application/epub+zip"

      export_zip_rubyzip_addpath(epub, File.join(tmpdir,'META-INF'), root_pathname)
      export_zip_rubyzip_addpath(epub, File.join(tmpdir,'OEBPS'), root_pathname)
      if @producer.params["zip_addpath"].present?
        export_zip_rubyzip_addpath(epub, File.join(tmpdir,@producer.params["zip_addpath"]), root_pathname)
      end
    end
  end
end

#export_zip_rubyzip_addpath(epub, dirname, rootdir) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 438

def export_zip_rubyzip_addpath(epub, dirname, rootdir)
  Dir[File.join(dirname,'**','**')].each do |path|
    next if File.directory?(path)
    relpath = Pathname.new(path).relative_path_from(rootdir)
    epub.put_next_entry(relpath)
    epub << File.binread(path)
  end
end

#flat_ncx(type, indent = nil) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 372

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.params["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 305

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

  # check part existance
  @producer.contents.each do |item|
    if item.notoc.nil? && item.chaptype == "part"
      has_part = true
      break
    end
  end

  if !has_part.nil?
    @producer.contents.each do |item|
      item.level += 1 if item.chaptype == "part" || item.chaptype == "body"
      item.notoc = true if (item.chaptype == "pre" || item.chaptype == "post") && !item.level.nil? && (item.level + 1 == toclevel) # FIXME: 部があるときに前後の処理が困難
    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) do |n|
        e = e.parent.parent
      end
      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 "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 461

def join_with_separator(value, sep)
  if value.kind_of? 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 447

def legacy_cover_and_title_file(loadfile, writefile)
  @title = @producer.params["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 34

def mimetype
  "application/epub+zip"
end

#mytoc ⇒ Object

Return own toc content.



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

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.params["epubmaker"]["flattoc"].nil?
    @body << hierarchy_ncx("ul")
  else
    @body << flat_ncx("ul", @producer.params["epubmaker"]["flattocindent"])
  end

  @language = @producer.params['language']
  @stylesheets = @producer.params["stylesheet"]
  if @producer.params["htmlversion"].to_i == 5
    tmplfile = File.expand_path('./html/layout-html5.html.erb', ReVIEW::Template::TEMPLATE_DIR)
  else
    tmplfile = 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 63

def ncx_doctitle
  <<EOT
  <docTitle>
<text>#{CGI.escapeHTML(@producer.params["title"])}</text>
  </docTitle>
  <docAuthor>
<text>#{@producer.params["aut"].nil? ? "" : CGI.escapeHTML(join_with_separator(@producer.params["aut"], ReVIEW::I18n.t("names_splitter")))}</text>
  </docAuthor>
EOT
end

#ncx_isbn ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 58

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

#ncx_navmap(indentarray) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 74

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

  nav_count = 2

  unless @producer.params["mytoc"].nil?
    s << <<EOT
<navPoint id="toc" playOrder="#{nav_count}">
  <navLabel>
    <text>#{CGI.escapeHTML(@producer.res.v("toctitle"))}</text>
  </navLabel>
  <content src="#{@producer.params["bookname"]}-toc.#{@producer.params["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 42

def opf_coverimage
  s = ""
  if @producer.params["coverimage"]
    file = nil
    @producer.contents.each do |item|
      if item.media.start_with?('image') && item.file =~ /#{@producer.params["coverimage"]}\Z/
        s << %Q[    <meta name="cover" content="#{item.id}"/>\n]
        file = item.file
        break
      end
    end
    raise "coverimage #{@producer.params["coverimage"]} not found. Abort." if file.nil?
  end
  s
end

#opf_path ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 38

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

#produce_write_common(basedir, tmpdir) ⇒ Object 



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# File 'lib/epubmaker/epubcommon.rb', line 384

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.params["cover"]}")
    FileUtils.cp("#{basedir}/#{@producer.params["cover"]}", "#{tmpdir}/OEBPS")
  else
    File.open("#{tmpdir}/OEBPS/#{@producer.params["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.



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# File 'lib/epubmaker/epubcommon.rb', line 162

def titlepage
  @title = CGI.escapeHTML(@producer.params.name_of("title"))

  @body = <<EOT
  <h1 class="tp-title">#{@title}</h1>
EOT
  if @producer.params["aut"]
    @body << <<EOT
  <p>
<br />
<br />
  </p>
  <h2 class="tp-author">#{CGI.escapeHTML(join_with_separator(@producer.params.names_of("aut"), ReVIEW::I18n.t("names_splitter")))}</h2>
EOT
  end

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