Module: RD2ODT

Defined in:
lib/rd2odt.rb

Defined Under Namespace

Classes: Error, InnerObject, ProgramOptionError, ProgramOptionParseError, RD2ODTVisitor

Constant Summary collapse

OPTION_PARSER = 
OptionParser.new
@@options = 
{
  :backtrace => false,
  :template => nil,
}

Class Method Summary collapse

Class Method Details

.ah_to_xml(o) ⇒ Object

very lazy formatter



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# File 'lib/rd2odt.rb', line 132

def self.ah_to_xml(o)
  return __send__("ah_to_xml_by_" + o.class.name.downcase, o)
end

.ah_to_xml_by_array(ary) ⇒ Object 



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# File 'lib/rd2odt.rb', line 136

def self.ah_to_xml_by_array(ary)
  if ary.first.is_a?(Array) ||
    ary.first.is_a?(Symbol) && /<.*>/ === ary.first.to_s
    # This case is:
    #   [[:tag], [:tag]]
    #       |
    #       v
    #   <tag></tag>
    #   <tag></tag>
    return ary.map { |item|
      ah_to_xml(item)
    }.join("\n")
  end

  ary = ary.dup
  result = "<"

  tag_name = ah_to_xml(ary.shift)
  result << tag_name

  if Hash === ary.first
    h = ary.shift
    result << ah_to_xml_by_hash(h)
  end

  if ary.empty?
    result << " />"
    return result
  end

  result << ">"

  ary.each do |item|
    case item
    when Array
      result << "\n"
      result << ah_to_xml_by_array(item).gsub(/^/, " ")
      result << "\n"
    else
      result << ah_to_xml(item)
    end
  end

  result << "</" + tag_name + ">"

  return result
end

.ah_to_xml_by_hash(h) ⇒ Object 



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# File 'lib/rd2odt.rb', line 188

def self.ah_to_xml_by_hash(h)
  return h.keys.sort_by { |item|
    item.to_s
  }.map { |key|
    converted_key = ah_to_xml_by_symbol(key)

    value = h[key]
    converted_value = ah_to_xml_by_string(value)

    " " + converted_key + "=" + '"' + converted_value + '"'
  }.join
end

.ah_to_xml_by_string(s) ⇒ Object 



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# File 'lib/rd2odt.rb', line 201

def self.ah_to_xml_by_string(s)
  return CGI.escapeHTML(s.to_s)
end

.ah_to_xml_by_symbol(symbol) ⇒ Object 



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# File 'lib/rd2odt.rb', line 184

def self.ah_to_xml_by_symbol(symbol)
  return symbol.to_s.gsub("__", ":").gsub("_", "-")
end

.create_odt(visitor, doc, output_path, template_path) ⇒ Object 



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# File 'lib/rd2odt.rb', line 98

def self.create_odt(visitor, doc, output_path, template_path)
  current_path = Dir.pwd
  output_absolute_path = File.expand_path(output_path)
  template_absolute_path = File.expand_path(template_path)
  Dir.mktmpdir do |tmpdir|
    Dir.chdir(tmpdir) do
      unzip(template_absolute_path)
      open("styles.xml", "r+") do |f|
        operate_styles_xml(f, visitor.additional_styles)
      end
      open("content.xml", "w") do |f|
        f.puts('<?xml version="1.0" encoding="UTF-8"?>')
        f.puts
        f.puts(ah_to_xml(doc))
      end
      # todo: test
      # todo: extract only inner_object.href for more optimizing.
      visitor.inner_objects.each do |inner_object|
        Dir.mktmpdir do |dir|
          Dir.chdir(dir) do
            unzip(File.join(current_path, inner_object.path))
            from = inner_object.href
            to = File.join(tmpdir, inner_object.fixed_href)
            FileUtils.mkdir_p(File.dirname(to))
            FileUtils.mv(from, to)
          end
        end
      end
      zip(output_absolute_path)
    end
  end
end

.main(argv) ⇒ Object 



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# File 'lib/rd2odt.rb', line 58

def main(argv)
  parse_option(argv)

  include_paths = [
                   File.dirname(@@input_path),
                   File.dirname(@@output_path),
                  ]

  puts("input_path: " + @@input_path.inspect) if $DEBUG
  puts("output_path: " + @@output_path.inspect) if $DEBUG
  puts("options: " + options.inspect) if $DEBUG
  puts("include_paths: " + include_paths.inspect) if $DEBUG

  input_lines = treat_input(File.readlines(@@input_path))
  tree = RD::RDTree.new(input_lines, include_paths, nil)
  tree.parse
  visitor = RD2ODTVisitor.new
  doc = visitor.visit(tree)
  create_odt(visitor, doc, @@output_path, options[:template])
rescue Error => e
  e.process
end

.operate_styles_xml(io, additional_styles) ⇒ Object 



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# File 'lib/rd2odt.rb', line 205

def self.operate_styles_xml(io, additional_styles)
  parser = REXML::Document.new(io.read)
  office_styles = parser.elements["/office:document-styles/office:styles"]
  additional_styles.each do |element|
    office_styles.add_element(element)
  end

  io.rewind
  io.truncate(0)
  io.write(parser.to_s)
end

.options ⇒ Object 



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# File 'lib/rd2odt.rb', line 30

def options
  return @@options
end

.parse_option(argv) ⇒ Object 



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# File 'lib/rd2odt.rb', line 35

def parse_option(argv)
  begin
    OPTION_PARSER.parse!(argv)
  rescue OptionParser::ParseError => e
    raise ProgramOptionParseError, e
  end

  @@input_path = argv.shift
  if @@input_path.nil?
    raise ProgramOptionError, "no input file path."
  end

  @@output_path =
    argv.shift ||
    (@@input_path == "-" ? "output.odt" : @@input_path + ".odt")

  if options[:template].nil?
    options[:template] = @@input_path + ".ott"
  end
  @@input_path
end

.treat_input(lines) ⇒ Object 



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# File 'lib/rd2odt.rb', line 82

def self.treat_input(lines)
  result = lines.dup

  if lines.grep(/^=begin\b/).empty? &&
      lines.grep(/^=end\b/).empty?
    result.unshift("=begin\n")

    if !(/\n\z/ === result[-1])
      result[-1] = result[-1] + "\n"
    end
    result.push("=end\n")
  end

  return result
end

.unzip(input_path) ⇒ Object

unzip to current directory.



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# File 'lib/rd2odt.rb', line 238

def self.unzip(input_path)
  # if !system("unzip", "-q", input_path)
  #   raise "unzip failure: #{input_path.inspect}"
  # end
  Zip::ZipFile.foreach(input_path) do |zip_entry|
    path = zip_entry.name
    if zip_entry.directory?
      FileUtils.mkdir_p(path)
    elsif zip_entry.file?
      FileUtils.mkdir_p(File.dirname(path))
      zip_entry.get_input_stream do |input|
        open(path, "w") do |output|
          output.write(input.read)
        end
      end
    end
  end
end

.zip(output_path) ⇒ Object

create zip file by current directory.



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# File 'lib/rd2odt.rb', line 218

def self.zip(output_path)
  # if !system("zip", "-9qr", output_path, ".")
  #   raise "zip failure: #{output_path.inspect}"
  # end
  FileUtils.rm_f(output_path)
  Zip::ZipFile.open(output_path, Zip::ZipFile::CREATE) do |zip_file|
    Find.find(".") do |path_orig|
      path = path_orig.sub(/\A\.\//, "")  # remove "./"
      if File.file?(path)
        zip_file.get_output_stream(path) do |f|
          f.write(File.read(path))
        end
      elsif File.directory?(path)
        zip_file.mkdir(path)
      end
    end
  end
end