Class: NovelConverter

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

Constant Summary collapse

NOVEL_TEXT_TEMPLATE_NAME = 
"novel.txt"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(setting, output_filename = nil, display_inspector = false) ⇒ NovelConverter

Returns a new instance of NovelConverter.



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# File 'lib/novelconverter.rb', line 216

def initialize(setting, output_filename = nil, display_inspector = false)
  @setting = setting
  @novel_id = setting.id
  @novel_author = setting.author
  @novel_title = setting.title
  @output_filename = output_filename
  @inspector = Inspector.new(@setting)
  @illustration = Illustration.new(@setting, @inspector)
  @display_inspector = display_inspector
  @use_dakuten_font = false
end

Instance Attribute Details

#use_dakuten_font ⇒ Object (readonly)

Returns the value of attribute use_dakuten_font.



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# File 'lib/novelconverter.rb', line 21

def use_dakuten_font
  @use_dakuten_font
end

Class Method Details

.convert(target, output_filename = nil, display_inspector = false) ⇒ Object

指定の小説を整形・変換する



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# File 'lib/novelconverter.rb', line 26

def self.convert(target, output_filename = nil, display_inspector = false)
  setting = NovelSetting.load(target)
  if setting
    novel_converter = new(setting, output_filename, display_inspector)
    return {
      converted_txt_path: novel_converter.convert_main,
      use_dakuten_font: novel_converter.use_dakuten_font
    }
  end
  nil
end

.convert_file(filename, encoding = nil, output_filename = nil, display_inspector = false) ⇒ Object

テキストファイルを整形・変換する



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# File 'lib/novelconverter.rb', line 41

def self.convert_file(filename, encoding = nil, output_filename = nil, display_inspector = false)
  if output_filename
    archive_path = File.dirname(output_filename) + "/"
  else
    archive_path = File.dirname(filename) + "/"
  end
  setting = NovelSetting.new(archive_path)
  setting.author = ""
  setting.title = File.basename(filename)
  novel_converter = new(setting, output_filename, display_inspector)
  text = open(filename, "r:BOM|UTF-8") { |fp| fp.read }
  if encoding
    text.force_encoding(encoding).encode!(Encoding::UTF_8)
  end
  {
    converted_txt_path: novel_converter.convert_main(text),
    use_dakuten_font: novel_converter.use_dakuten_font
  }
end

.epub_to_mobi(epub_path, verbose = false) ⇒ Object

EPUBファイルをkindlegenでMOBIへ AozoraEpub3.jar と同じ場所に kindlegen が無ければ何もしない

返り値：正常終了 :success、エラー終了 :error、中断終了 :abort、kindlegenがなかった nil



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# File 'lib/novelconverter.rb', line 173

def self.epub_to_mobi(epub_path, verbose = false)
  kindlegen_path = File.join(File.dirname(Narou.get_aozoraepub3_path), "kindlegen")
  if Dir.glob(kindlegen_path + "*").empty?
    error "kindlegenが見つかりませんでした。AozoraEpub3と同じディレクトリにインストールして下さい"
    return :error
  end

  if Helper.os_windows?
    epub_path.encode!(Encoding::Windows_31J)
  end
  command = %!"#{kindlegen_path}" -locale ja "#{epub_path}"!
  print "kindlegen実行中"
  res = Helper::AsyncCommand.exec(command) do
    print "."
  end
  stdout_capture, _, proccess_status = res
  stdout_capture.force_encoding(Encoding::UTF_8)

  if verbose
    puts
    puts "==== kindlegen stdout capture " + "=" * 49
    puts stdout_capture.gsub("\n\n", "\n").strip
    puts "=" * 79
  end

  if proccess_status.exited?
    if proccess_status.exitstatus == 2
      puts ""
      error "kindlegen実行中にエラーが発生したため、MOBIが出力出来ませんでした"
      if stdout_capture.scan(/(エラー\(.+?\):\w+?:.+)$/)
        error $1
      end
      return :error
    end
  else
    puts ""
    error "kindlegenが中断させられたぽいのでMOBIは出力出来ませんでした"
    return :abort
  end
  puts "変換しました"
  :success
end

.get_cover_filename(archive_path) ⇒ Object

表紙用の画像名取得



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# File 'lib/novelconverter.rb', line 244

def self.get_cover_filename(archive_path)
  [".jpg", ".png", ".jpeg"].each do |ext|
    filename = "cover#{ext}"
    cover_path = File.join(archive_path, filename)
    if File.exists?(cover_path)
      return filename
    end
  end
  nil
end

.stash_aozora_fonts_directory ⇒ Object 



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# File 'lib/novelconverter.rb', line 61

def self.stash_aozora_fonts_directory
  fonts_path = File.join(File.dirname(Narou.get_aozoraepub3_path), "template/OPS/fonts")
  return unless File.exists?(fonts_path)
  FileUtils.mv(fonts_path, fonts_path + "_hide")
end

.txt_to_epub(filename, use_dakuten_font = false, dst_dir = nil, device = nil, verbose = false) ⇒ Object

AozoraEpub3でEPUBファイル作成

AozoraEpub3は.jarがあるところがカレントディレクトリじゃないとうまく動かない MEMO: 逆にカレントディレクトリにAozoraEpub3の必須ファイルを置いて手を加えることで、 テンプレート等の差し替えが容易になる

返り値：正常終了 :success、エラー終了 :error、AozoraEpub3が見つからなかった nil



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# File 'lib/novelconverter.rb', line 83

def self.txt_to_epub(filename, use_dakuten_font = false, dst_dir = nil, device = nil, verbose = false)
  abs_srcpath = File.expand_path(filename)

  cover_option = ""
  # MEMO: 外部実行からだと -c FILENAME, -c 1 オプションはぬるぽが出て動かない
  if get_cover_filename(File.dirname(abs_srcpath))
    cover_option = "-c 0"   # 先頭の挿絵を表紙として利用
  end

  dst_option = ""
  if dst_dir
    dst_option = %!-dst "#{File.expand_path(dst_dir)}"!
  end

  ext_option = ""
  device_option = ""
  if device
    case device.name
    when "Kobo"
      ext_option = "-ext " + device.ebook_file_ext
    when "Kindle"
      device_option = "-device kindle"
    end
  end

  pwd = Dir.pwd

  aozoraepub3_path = Narou.get_aozoraepub3_path
  unless aozoraepub3_path
    error "AozoraEpub3が見つからなかったのでEPUBが出力出来ませんでした。" +
          "narou initでAozoraEpub3の設定を行なって下さい"
    return nil
  end
  aozoraepub3_basename = File.basename(aozoraepub3_path)
  aozoraepub3_dir = File.dirname(aozoraepub3_path)

  Dir.chdir(aozoraepub3_dir)
  command = %!java -cp #{aozoraepub3_basename} AozoraEpub3 -enc UTF-8 -of #{device_option} ! +
            %!#{cover_option} #{dst_option} #{ext_option} "#{abs_srcpath}"!
  if Helper.os_windows?
    command = "cmd /c " + command.encode(Encoding::Windows_31J)
  end
  stash_aozora_fonts_directory unless use_dakuten_font
  print "AozoraEpub3でEPUBに変換しています"
  res = Helper::AsyncCommand.exec(command) do
    print "."
  end
  visible_aozora_fonts_directory unless use_dakuten_font

  stdout_capture = res[0]
  if Helper.os_windows?
    stdout_capture = stdout_capture.force_encoding(Encoding::Shift_JIS).encode(Encoding::UTF_8)
  else
    stdout_capture.force_encoding(Encoding::UTF_8)
  end

  Dir.chdir(pwd)

  if verbose
    puts
    puts "==== AozoraEpub3 stdout capture " + "=" * 47
    puts stdout_capture.strip
    puts "=" * 79
  end

  error_list = stdout_capture.scan(/^(?:\[ERROR\]|エラーが発生しました :).+$/)
  warn_list = stdout_capture.scan(/^\[WARN\].+$/)
  info_list = stdout_capture.scan(/^\[INFO\].+$/)
  if !error_list.empty? || !warn_list.empty? || !info_list.empty?
    puts
    puts error_list, warn_list, info_list
    unless error_list.empty?
      # AozoraEpub3 のエラーにはEPUBが出力されないエラーとEPUBが出力されるエラーの2種類ある。
      # EPUBが出力される場合は「変換完了」という文字があるのでそれを検出する
      if stdout_capture !~ /^変換完了/
        error "AozoraEpub3実行中にエラーが発生したため、EPUBが出力出来ませんでした"
        return :error
      end
    end
  end
  puts "変換しました"
  :success
end

.visible_aozora_fonts_directory ⇒ Object 



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# File 'lib/novelconverter.rb', line 67

def self.visible_aozora_fonts_directory
  fonts_path = File.join(File.dirname(Narou.get_aozoraepub3_path), "template/OPS/fonts")
  return unless File.exists?(fonts_path + "_hide")
  FileUtils.mv(fonts_path + "_hide", fonts_path)
end

Instance Method Details

#convert_main(text = nil) ⇒ Object

変換処理メイン



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# File 'lib/novelconverter.rb', line 270

def convert_main(text = nil)
  print "ID:#{@novel_id}　" if @novel_id
  puts "#{@novel_title} の変換を開始"
  sections = []
  @cover_chuki = create_cover_chuki

  conv = load_converter(@novel_title, @setting.archive_path).new(@setting, @inspector, @illustration)
  if text
    result = conv.convert(text, "textfile")
    unless @setting.enable_enchant_midashi
      @inspector.info "テキストファイルの処理を実行しましたが、改行直後の見出し付与は有効になっていません。" +
                      "setting.ini の enable_enchant_midashi を true にすることをお薦めします。"
    end
    splited = result.split("\n", 3)
    result = [splited[0], splited[1], @cover_chuki, splited[2]].join("\n")   # 表紙の挿絵注記を3行目に挟み込む
  else
    @section_save_dir = Downloader.get_novel_section_save_dir(@setting.archive_path)
    @toc = Downloader.get_toc_data(@setting.archive_path)
    progressbar = ProgressBar.new(@toc["subtitles"].count)
    @toc["subtitles"].each_with_index do |subinfo, i|
      progressbar.output(i)
      section = load_novel_section(subinfo)
      @inspector.subtitle = section["subtitle"]
      element = section["element"]
      element.each do |text_type, elm_text|
        element[text_type] = conv.convert(elm_text, text_type)
      end
      section["subtitle"] = conv.convert(section["subtitle"], "subtitle")
      sections << section
    end
    progressbar.clear
    result = create_novel_text_by_template(sections)
  end

  @use_dakuten_font = conv.use_dakuten_font
  conv.replace_by_replace_txt(result)

  midashi_save(result)
  inspect_novel(result)

  if @output_filename
    save_path = File.join(@setting.archive_path, File.basename(@output_filename))
  else
    if text
      info = get_title_and_author_by_text(result)
    else
      info = { "author" => @novel_author, "title" => @novel_title }
    end
    save_filename = Narou.create_novel_filename(info)
    save_path = File.join(@setting.archive_path, save_filename)
    if save_path !~ /\.\w+$/
      save_path += ".txt"
    end
  end
  File.write(save_path, result)
  puts "縦書用の変換が終了しました"

  update_latest_convert_novel

  save_path
end

#create_cover_chuki ⇒ Object

表紙用挿絵注記作成



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# File 'lib/novelconverter.rb', line 258

def create_cover_chuki
  cover_filename = self.class.get_cover_filename(@setting.archive_path)
  if cover_filename
    "［＃挿絵（#{cover_filename}）入る］"
  else
    ""
  end
end

#create_novel_text_by_template(sections) ⇒ Object 



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# File 'lib/novelconverter.rb', line 234

def create_novel_text_by_template(sections)
  toc = @toc
  cover_chuki = @cover_chuki
  device = Narou.get_device
  Template.get(NOVEL_TEXT_TEMPLATE_NAME, binding)
end

#get_title_and_author_by_text(text) ⇒ Object

テキストデータ先頭二行からタイトルと作者名を取得



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# File 'lib/novelconverter.rb', line 335

def get_title_and_author_by_text(text)
  title, author = text.split("\n", 3)
  { "title" => title, "author" => author }
end

#inspect_novel(text) ⇒ Object 



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# File 'lib/novelconverter.rb', line 346

def inspect_novel(text)
  # 行末読点の現在状況を調査する
  @inspector.inspect_end_touten_conditions(text)
  @inspector.countup_return_in_brackets(text)

  if !@display_inspector
    unless @inspector.empty?
      puts "小説状態の調査結果を #{Inspector::INSPECT_LOG_NAME} に出力しました"
    end
  else
    # 小説の監視・検査状況を表示する
    if @inspector.error? || @inspector.warning?
      puts "<bold><yellow>―――― 小説にエラーもしくは警告が存在します ――――</yellow></bold>".termcolor
      puts ""
      @inspector.display(Inspector::ERROR | Inspector::WARNING)
      puts ""
    end
    if @inspector.info?
      puts "<bold><yellow>―――― 小説の検査状況を表示します ――――</yellow></bold>".termcolor
      puts ""
      @inspector.display(Inspector::INFO)
      puts ""
    end
  end

  @inspector.save
end

#listup_midashi(data) ⇒ Object

見出しのリストを取得する



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# File 'lib/novelconverter.rb', line 377

def listup_midashi(data)
  list = ""
  data.each_line.with_index(1) do |line, no|
    if line =~ /［＃ここから(?<scale>[大中小])見出し］(?<title>.+?)［＃ここで\g<scale>見出し終わり］/ ||
      line =~ /［＃「(?<title>.+?)は(?<scale>[大中小])見出し］/
      list << "#{$~[:scale]}:#{no}:#{$~[:title]}\n"
    end
  end
  list
end

#load_novel_section(subtitle_info) ⇒ Object 



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# File 'lib/novelconverter.rb', line 228

def load_novel_section(subtitle_info)
  file_subtitle = subtitle_info["file_subtitle"] || subtitle_info["subtitle"]   # 互換性維持のため
  path = File.join(@section_save_dir, "#{subtitle_info["index"]} #{file_subtitle}.yaml")
  YAML.load_file(path)
end

#midashi_save(text) ⇒ Object 



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# File 'lib/novelconverter.rb', line 340

def midashi_save(text)
  midashi_list = listup_midashi(text)
  path = File.join(@setting.archive_path, "見出しリスト.txt")
  File.write(path, midashi_list)
end

#update_latest_convert_novel ⇒ Object

最近変換した小説IDを記録更新



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# File 'lib/novelconverter.rb', line 391

def update_latest_convert_novel
  id = Downloader.get_id_by_target(@novel_title)
  LocalSetting.get["latest_convert"]["id"] = id
  LocalSetting.get.save_settings
end