Class: EPUBMaker::EPUBv3

Inherits:
EPUBCommon show all
Defined in:
lib/epubmaker/epubv3.rb

Overview

EPUBv3 is EPUB version 3 producer.

Instance Method Summary collapse

Methods inherited from EPUBCommon

#colophon, #container, #cover, #date_to_s, #export_zip, #flat_ncx, #hierarchy_ncx, #legacy_cover_and_title_file, #mimetype, #mytoc, #ncx_doctitle, #ncx_isbn, #ncx_navmap, #opf_coverimage, #opf_path, #produce_write_common, #titlepage

Constructor Details

#initialize(producer) ⇒ EPUBv3

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



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# File 'lib/epubmaker/epubv3.rb', line 19

def initialize(producer)
  super
end

Instance Method Details

#ncx(indentarray) ⇒ Object 



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# File 'lib/epubmaker/epubv3.rb', line 165

def ncx(indentarray)
  if @producer.params["epubmaker"]["flattoc"].nil?
    ncx_main = hierarchy_ncx("ol")
  else
    ncx_main = flat_ncx("ol", @producer.params["epubmaker"]["flattocindent"])
  end

  @body = <<EOT
  <nav xmlns:epub="http://www.idpf.org/2007/ops" epub:type="toc" id="toc">
  <h1 class="toc-title">#{@producer.res.v("toctitle")}</h1>
#{ncx_main}  </nav>
EOT

  @title = @producer.res.v("toctitle")
  @language = @producer.params['language']
  @stylesheets = @producer.params["stylesheet"]
  tmplfile = File.expand_path('./html/layout-html5.html.erb', ReVIEW::Template::TEMPLATE_DIR)
  tmpl = ReVIEW::Template.load(tmplfile)
  return tmpl.result(binding)
end

#opf ⇒ Object

Return opf file content.



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# File 'lib/epubmaker/epubv3.rb', line 24

def opf
  @opf_metainfo = opf_metainfo
  @opf_manifest = opf_manifest
  @opf_toc = opf_tocx

  tmplfile = File.expand_path('./opf/epubv3.opf.erb', ReVIEW::Template::TEMPLATE_DIR)
  tmpl = ReVIEW::Template.load(tmplfile)
  return tmpl.result(binding)
end

#opf_manifest ⇒ Object 



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# File 'lib/epubmaker/epubv3.rb', line 109

def opf_manifest
  s = ""
  s << <<EOT
  <manifest>
<item properties="nav" id="#{@producer.params["bookname"]}-toc.#{@producer.params["htmlext"]}" href="#{@producer.params["bookname"]}-toc.#{@producer.params["htmlext"]}" media-type="application/xhtml+xml"/>
<item id="#{@producer.params["bookname"]}" href="#{@producer.params["cover"]}" media-type="application/xhtml+xml"/>
EOT

  if @producer.params["coverimage"]
    @producer.contents.each do |item|
      if item.media =~ /\Aimage/ && File.basename(item.file) == @producer.params["coverimage"]
        s << %Q[    <item properties="cover-image" id="cover-#{item.id}" href="#{item.file}" media-type="#{item.media}"/>\n]
        item.id = nil
        break
      end
    end
  end

  @producer.contents.each do |item|
    next if item.file =~ /#/ || item.id.nil? # skip subgroup, or id=nil (for cover)
    propstr = ""
    if item.properties.size > 0
      propstr = %Q[ properties="#{item.properties.sort.uniq.join(" ")}"]
    end
    s << %Q[    <item id="#{item.id}" href="#{item.file}" media-type="#{item.media}"#{propstr}/>\n]
  end
  s << %Q[  </manifest>\n]

  s
end

#opf_metainfo ⇒ Object 



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# File 'lib/epubmaker/epubv3.rb', line 34

def opf_metainfo
  s = ""
  %w[title language date type format source description relation coverage subject rights].each do |item|
    next if @producer.params[item].nil?
    if @producer.params[item].instance_of?(Array)
      @producer.params[item].each_with_index {|v, i|
        s << %Q[    <dc:#{item} id="#{item}-#{i}">#{CGI.escapeHTML(v.to_s)}</dc:#{item}>\n]
      }
    else
      s << %Q[    <dc:#{item} id="#{item}">#{CGI.escapeHTML(@producer.params[item].to_s)}</dc:#{item}>\n]
    end
  end

  s << %Q[    <meta property="dcterms:modified">#{@producer.params["modified"]}</meta>\n]

  # ID
  if @producer.params["isbn"].nil?
    s << %Q[    <dc:identifier id="BookId">#{@producer.params["urnid"]}</dc:identifier>\n]
  else
    s << %Q[    <dc:identifier id="BookId">#{@producer.params["isbn"]}</dc:identifier>\n]
  end

  # creator (should be array)
  %w[a-adp a-ann a-arr a-art a-asn a-aqt a-aft a-aui a-ant a-bkp a-clb a-cmm a-csl a-dsr a-edt a-ill a-lyr a-mdc a-mus a-nrt a-oth a-pht a-prt a-red a-rev a-spn a-ths a-trc a-trl aut].each do |role|
    next if @producer.params[role].nil?
    @producer.params[role].each_with_index do |v, i|
      if v.instance_of?(Hash)
        s << %Q[    <dc:creator id="#{role}-#{i}">#{CGI.escapeHTML(v["name"])}</dc:creator>\n]
        s << %Q[    <meta refines="##{role}-#{i}" property="role" scheme="marc:relators">#{role.sub('a-', '')}</meta>\n]
        v.each_pair do |name, val|
          next if name == "name"
          s << %Q[    <meta refines="##{role.sub('a-', '')}-#{i}" property="#{name}">#{CGI.escapeHTML(val)}</meta>\n]
        end
      else
        s << %Q[    <dc:creator id="#{role}-#{i}">#{CGI.escapeHTML(v)}</dc:creator>\n]
        s << %Q[    <meta refines="##{role}-#{i}" property="role" scheme="marc:relators">#{role.sub('a-', '')}</meta>\n]
      end
    end
  end

  # contributor (should be array)
  %w[adp ann arr art asn aqt aft aui ant bkp clb cmm csl dsr edt ill lyr mdc mus nrt oth pbd pbl pht prt red rev spn ths trc trl].each do |role|
    next if @producer.params[role].nil?
    @producer.params[role].each_with_index do |v, i|
      if v.instance_of?(Hash)
        s << %Q[    <dc:contributor id="#{role}-#{i}">#{CGI.escapeHTML(v["name"])}</dc:contributor>\n]
        s << %Q[    <meta refines="##{role}-#{i}" property="role" scheme="marc:relators">#{role}</meta>\n]
        v.each_pair do |name, val|
          next if name == "name"
          s << %Q[    <meta refines="##{role}-#{i}" property="#{name}">#{CGI.escapeHTML(val)}</meta>\n]
        end
      else
        s << %Q[    <dc:contributor id="#{role}-#{i}">#{CGI.escapeHTML(v)}</dc:contributor>\n]
        s << %Q[    <meta refines="##{role}-#{i}" property="role" scheme="marc:relators">#{role}</meta>\n]
      end

      if role == "prt" || role == "pbl"
        if v.instance_of?(Hash)
          s << %Q[    <dc:publisher id="pub-#{role}-#{i}">#{CGI.escapeHTML(v["name"])}</dc:publisher>\n]
          s << %Q[    <meta refines="#pub-#{role}-#{i}" property="role" scheme="marc:relators">#{role}</meta>\n]
          v.each_pair do |name, val|
            next if name == "name"
            s << %Q[    <meta refines="#pub-#{role}-#{i}" property="#{name}">#{CGI.escapeHTML(val)}</meta>\n]
          end
        else
          s << %Q[    <dc:publisher id="pub-#{role}-#{i}">#{CGI.escapeHTML(v)}</dc:publisher>\n]
          s << %Q[    <meta refines="#pub-#{role}-#{i}" property="role" scheme="marc:relators">prt</meta>\n]
        end
      end
    end
  end

  s
end

#opf_tocx ⇒ Object 



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# File 'lib/epubmaker/epubv3.rb', line 140

def opf_tocx
  if @producer.params["epubmaker"]["cover_linear"] && @producer.params["epubmaker"]["cover_linear"] != "no"
    cover_linear = "yes"
  else
    cover_linear = "no"
  end

  s = ""
  if @producer.params["direction"]
    s << %Q[  <spine page-progression-direction="#{@producer.params["direction"]}">\n]
  else
    s << %Q[  <spine>\n]
  end
  s << %Q[    <itemref idref="#{@producer.params["bookname"]}" linear="#{cover_linear}"/>\n]
  s << %Q[    <itemref idref="#{@producer.params["bookname"]}-toc.#{@producer.params["htmlext"]}" />\n] if @producer.params["toc"]

  @producer.contents.each do |item|
    next if item.media !~ /xhtml\+xml/ # skip non XHTML
    s << %Q[    <itemref idref="#{item.id}"/>\n] if item.notoc.nil?
  end
  s << %Q[  </spine>\n]

  s
end

#produce(epubfile, basedir, tmpdir) ⇒ Object

Produce EPUB file epubfile. basedir points the directory has contents. tmpdir defines temporary directory.



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# File 'lib/epubmaker/epubv3.rb', line 189

def produce(epubfile, basedir, tmpdir)
  produce_write_common(basedir, tmpdir)

  File.open("#{tmpdir}/OEBPS/#{@producer.params["bookname"]}-toc.#{@producer.params["htmlext"]}", "w") {|f| @producer.ncx(f, @producer.params["epubmaker"]["ncxindent"]) }

  @producer.call_hook(@producer.params["epubmaker"]["hook_prepack"], tmpdir)
  export_zip(tmpdir, epubfile)
end