Class: ReVIEW::PDFMaker

Inherits:
Object show all
Includes:
FileUtils, LaTeXUtils
Defined in:
lib/review/pdfmaker.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from LaTeXUtils

#escape, #escape_index, #escape_url, #initialize_metachars, #macro, #unescape

Constructor Details

#initialize ⇒ PDFMaker

Returns a new instance of PDFMaker.



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# File 'lib/review/pdfmaker.rb', line 33

def initialize
  @basedir = nil
  @logger = ReVIEW.logger
  @input_files = Hash.new { |h, key| h[key] = '' }
  @mastertex = '__REVIEW_BOOK__'
end

Instance Attribute Details

#basedir ⇒ Object

Returns the value of attribute basedir.



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# File 'lib/review/pdfmaker.rb', line 31

def basedir
  @basedir
end

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/review/pdfmaker.rb', line 31

def config
  @config
end

Class Method Details

.execute(*args) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 96

def self.execute(*args)
  self.new.execute(*args)
end

Instance Method Details

#build_path ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 73

def build_path
  if @config['debug']
    path = "#{@config['bookname']}-pdf"
    if File.exist?(path)
      FileUtils.rm_rf(path, secure: true)
    end
    Dir.mkdir(path)
    path
  else
    Dir.mktmpdir("#{@config['bookname']}-pdf-")
  end
end

#build_pdf ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 203

def build_pdf
  template = template_content
  Dir.chdir(@path) do
    File.open("./#{@mastertex}.tex", 'wb') { |f| f.write template }

    call_hook('hook_beforetexcompile')

    ## do compile
    if ENV['REVIEW_SAFE_MODE'].to_i & 4 > 0
      warn 'command configuration is prohibited in safe mode. ignored.'
      texcommand = ReVIEW::Configure.values['texcommand']
      dvicommand = ReVIEW::Configure.values['dvicommand']
      dvioptions = ReVIEW::Configure.values['dvioptions'].shellsplit
      texoptions = ReVIEW::Configure.values['texoptions'].shellsplit
      makeindex_command = ReVIEW::Configure.values['pdfmaker']['makeindex_command']
      makeindex_options = ReVIEW::Configure.values['pdfmaker']['makeindex_options'].shellsplit
      makeindex_sty = ReVIEW::Configure.values['pdfmaker']['makeindex_sty']
      makeindex_dic = ReVIEW::Configure.values['pdfmaker']['makeindex_dic']
    else
      unless @config['texcommand'].present?
        error "texcommand isn't defined."
      end
      texcommand = @config['texcommand']
      dvicommand = @config['dvicommand']
      @config['dvioptions'] = '' unless @config['dvioptions']
      dvioptions = @config['dvioptions'].shellsplit
      @config['texoptions'] = '' unless @config['texoptions']
      texoptions = @config['texoptions'].shellsplit
      makeindex_command = @config['pdfmaker']['makeindex_command']
      @config['pdfmaker']['makeindex_options'] = '' unless @config['pdfmaker']['makeindex_options']
      makeindex_options = @config['pdfmaker']['makeindex_options'].shellsplit
      makeindex_sty = @config['pdfmaker']['makeindex_sty']
      makeindex_dic = @config['pdfmaker']['makeindex_dic']
    end

    if makeindex_sty.present?
      makeindex_sty = File.absolute_path(makeindex_sty, @basedir)
      makeindex_options += ['-s', makeindex_sty] if File.exist?(makeindex_sty)
    end
    if makeindex_dic.present?
      makeindex_dic = File.absolute_path(makeindex_dic, @basedir)
      makeindex_options += ['-d', makeindex_dic] if File.exist?(makeindex_dic)
    end

    2.times do
      system_or_raise(*[texcommand, texoptions, "#{@mastertex}.tex"].flatten.compact)
    end

    call_hook('hook_beforemakeindex')
    if @config['pdfmaker']['makeindex'] && File.size?("#{@mastertex}.idx")
      system_or_raise(*[makeindex_command, makeindex_options, @mastertex].flatten.compact)
      system_or_raise(*[texcommand, texoptions, "#{@mastertex}.tex"].flatten.compact)
    end
    call_hook('hook_aftermakeindex')

    system_or_raise(*[texcommand, texoptions, "#{@mastertex}.tex"].flatten.compact)
    call_hook('hook_aftertexcompile')

    if File.exist?("#{@mastertex}.dvi") && dvicommand.present?
      system_or_raise(*[dvicommand, dvioptions, "#{@mastertex}.dvi"].flatten.compact)
      call_hook('hook_afterdvipdf')
    end
  end
end

#call_hook(hookname) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 513

def call_hook(hookname)
  return if !@config['pdfmaker'].is_a?(Hash) || @config['pdfmaker'][hookname].nil?
  hook = File.absolute_path(@config['pdfmaker'][hookname], @basedir)
  if ENV['REVIEW_SAFE_MODE'].to_i & 1 > 0
    warn 'hook configuration is prohibited in safe mode. ignored.'
  else
    system_or_raise(hook, Dir.pwd, @basedir)
  end
end

#check_compile_status(ignore_errors) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 86

def check_compile_status(ignore_errors)
  return unless @compile_errors

  if ignore_errors
    @logger.info 'compile error, but try to generate PDF file'
  else
    error 'compile error, No PDF file output.'
  end
end

#copy_images(from, to) ⇒ Object

PDFMaker#copy_images should copy image files AND execute extractbb (or ebb).



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# File 'lib/review/pdfmaker.rb', line 316

def copy_images(from, to)
  return unless File.exist?(from)
  Dir.mkdir(to)
  ReVIEW::MakerHelper.copy_images_to_dir(from, to)
  Dir.chdir(to) do
    images = Dir.glob('**/*').find_all { |f| File.file?(f) and f =~ /\.(jpg|jpeg|png|pdf|ai|eps|tif)\z/i }
    break if images.empty?
    if @config['pdfmaker']['bbox']
      system_with_info('extractbb', '-B', @config['pdfmaker']['bbox'], *images)
      system_or_raise('ebb', '-B', @config['pdfmaker']['bbox'], *images) unless system('extractbb', '-B', @config['pdfmaker']['bbox'], '-m', *images)
    else
      system_with_info('extractbb', *images)
      system_or_raise('ebb', *images) unless system('extractbb', '-m', *images)
    end
  end
end

#copy_sty(dirname, copybase, extname = 'sty') ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 492

def copy_sty(dirname, copybase, extname = 'sty')
  unless File.directory?(dirname)
    warn "No such directory - #{dirname}"
    return
  end

  Dir.open(dirname) do |dir|
    dir.sort.each do |fname|
      next unless File.extname(fname).downcase == '.' + extname
      FileUtils.mkdir_p(copybase) unless Dir.exist?(copybase)
      if extname == 'erb'
        File.open(File.join(copybase, fname.sub(/\.erb\Z/, '')), 'w') do |f|
          f.print erb_content(File.join(dirname, fname))
        end
      else
        FileUtils.cp(File.join(dirname, fname), copybase)
      end
    end
  end
end

#date_to_s(date) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 405

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

#erb_config ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 411

def erb_config
  @texcompiler = File.basename(@config['texcommand'], '.*')
  dclass = @config['texdocumentclass'] || []
  @documentclass = dclass[0] || 'review-jsbook'
  @documentclassoption = dclass[1] || ''
  if @config['dvicommand'] =~ /dvipdfmx/ && @documentclassoption !~ /dvipdfmx/
    @documentclassoption = "dvipdfmx,#{@documentclassoption}".sub(/,\Z/, '')
  end

  @okuduke = make_colophon
  @authors = make_authors

  @custom_coverpage = make_custom_page(@config['cover']) || make_custom_page(@config['coverfile'])
  @custom_titlepage = make_custom_page(@config['titlefile'])
  @custom_originaltitlepage = make_custom_page(@config['originaltitlefile'])
  @custom_creditpage = make_custom_page(@config['creditfile'])

  @custom_profilepage = make_custom_page(@config['profile'])
  @custom_advfilepage = make_custom_page(@config['advfile'])
  if @config['colophon'] && @config['colophon'].is_a?(String)
    @custom_colophonpage = make_custom_page(@config['colophon'])
  end
  @custom_backcoverpage = make_custom_page(@config['backcover'])

  if @config['pubhistory']
    warn 'pubhistory is oboleted. use history.'
  else
    @config['pubhistory'] = make_history_list.join("\n")
  end

  @coverimageoption =
    if @documentclass == 'ubook' || @documentclass == 'utbook'
      'keepaspectratio,angle=90'
    else
      'keepaspectratio'
    end

  if @config.check_version('2', exception: false)
    @coverimageoption =
      if @documentclass == 'ubook' || @documentclass == 'utbook'
        'width=\\textheight,height=\\textwidth,keepaspectratio,angle=90'
      else
        'width=\\textwidth,height=\\textheight,keepaspectratio'
      end
  end

  @locale_latex = {}
  part_tuple = I18n.get('part').split(/\%[A-Za-z]{1,3}/, 2)
  chapter_tuple = I18n.get('chapter').split(/\%[A-Za-z]{1,3}/, 2)
  appendix_tuple = I18n.get('appendix').split(/\%[A-Za-z]{1,3}/, 2)
  @locale_latex['prepartname'] = part_tuple[0]
  @locale_latex['postpartname'] = part_tuple[1]
  @locale_latex['prechaptername'] = chapter_tuple[0]
  @locale_latex['postchaptername'] = chapter_tuple[1]
  @locale_latex['preappendixname'] = appendix_tuple[0]
  @locale_latex['postappendixname'] = appendix_tuple[1]
end

#erb_content(file) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 469

def erb_content(file)
  @texcompiler = File.basename(@config['texcommand'], '.*')
  erb = ReVIEW::Template.load(file, '-')
  @logger.debug("erb processes #{File.basename(file)}") if @config['debug']
  erb.result(binding)
end

#error(msg) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 56

def error(msg)
  @logger.error msg
  exit 1
end

#execute(*args) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 124

def execute(*args)
  @config = ReVIEW::Configure.values
  @config.maker = 'pdfmaker'
  cmd_config, yamlfile = parse_opts(args)
  error "#{yamlfile} not found." unless File.exist?(yamlfile)

  begin
    loader = ReVIEW::YAMLLoader.new
    @config.deep_merge!(loader.load_file(yamlfile))
  rescue => e
    error "yaml error #{e.message}"
  end

  # YAML configs will be overridden by command line options.
  @config.deep_merge!(cmd_config)
  I18n.setup(@config['language'])
  @basedir = File.absolute_path(File.dirname(yamlfile))

  begin
    @config.check_version(ReVIEW::VERSION)
  rescue ReVIEW::ConfigError => e
    warn e.message
  end

  # version 2 compatibility
  unless @config['texdocumentclass']
    if @config.check_version(2, exception: false)
      @config['texdocumentclass'] = ['jsbook', 'uplatex,oneside']
    else
      @config['texdocumentclass'] = @config['_texdocumentclass']
    end
  end

  begin
    generate_pdf
  rescue ApplicationError => e
    raise if @config['debug']
    error(e.message)
  end
end

#generate_pdf ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 268

def generate_pdf
  remove_old_file
  erb_config
  @path = build_path
  begin
    @compile_errors = nil

    book = ReVIEW::Book.load(@basedir)
    book.config = @config
    @converter = ReVIEW::Converter.new(book, ReVIEW::LATEXBuilder.new)

    @input_files = make_input_files(book)

    check_compile_status(@config['ignore-errors'])

    # for backward compatibility
    @config['usepackage'] = ''
    @config['usepackage'] = "\\usepackage{#{@config['texstyle']}}" if @config['texstyle']

    copy_images(@config['imagedir'], File.join(@path, @config['imagedir']))
    copy_sty(File.join(Dir.pwd, 'sty'), @path)
    copy_sty(File.join(Dir.pwd, 'sty'), @path, 'fd')
    copy_sty(File.join(Dir.pwd, 'sty'), @path, 'cls')
    copy_sty(File.join(Dir.pwd, 'sty'), @path, 'erb')
    copy_sty(File.join(Dir.pwd, 'sty'), @path, 'tex')
    copy_sty(Dir.pwd, @path, 'tex')

    build_pdf

    FileUtils.cp(File.join(@path, "#{@mastertex}.pdf"), pdf_filepath)
  ensure
    remove_entry_secure(@path) unless @config['debug']
  end
end

#join_with_separator(value, sep) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 341

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

#latex_config ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 476

def latex_config
  erb_content(File.expand_path('./latex/config.erb', ReVIEW::Template::TEMPLATE_DIR))
end

#make_authors ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 364

def make_authors
  authors = ''
  if @config['aut'].present?
    author_names = join_with_separator(@config.names_of('aut').map { |s| escape_latex(s) }, ReVIEW::I18n.t('names_splitter'))
    authors = ReVIEW::I18n.t('author_with_label', author_names)
  end
  if @config['csl'].present?
    csl_names = join_with_separator(@config.names_of('csl').map { |s| escape_latex(s) }, ReVIEW::I18n.t('names_splitter'))
    authors += " \\\\\n" + ReVIEW::I18n.t('supervisor_with_label', csl_names)
  end
  if @config['trl'].present?
    trl_names = join_with_separator(@config.names_of('trl').map { |s| escape_latex(s) }, ReVIEW::I18n.t('names_splitter'))
    authors += " \\\\\n" + ReVIEW::I18n.t('translator_with_label', trl_names)
  end
  authors
end

#make_colophon ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 358

def make_colophon
  colophon = ''
  @config['colophon_order'].each { |role| colophon += make_colophon_role(role) }
  colophon
end

#make_colophon_role(role) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 349

def make_colophon_role(role)
  if @config[role].present?
    initialize_metachars(@config['texcommand'])
    "#{ReVIEW::I18n.t(role)} & #{escape_latex(join_with_separator(@config.names_of(role), ReVIEW::I18n.t('names_splitter')))} \\\\\n"
  else
    ''
  end
end

#make_custom_page(file) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 333

def make_custom_page(file)
  file_sty = file.to_s.sub(/\.[^.]+\Z/, '.tex')
  if File.exist?(file_sty)
    return File.read(file_sty)
  end
  nil
end

#make_history_list ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 381

def make_history_list
  buf = []
  if @config['history']
    @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 << ReVIEW::I18n.t('published_by1', [date_to_s(item), editstr + revstr])
        elsif item =~ /\A(\d+\-\d+\-\d+)[\s　](.+)/
          # custom date with string
          item.match(/\A(\d+\-\d+\-\d+)[\s　](.+)/) { |m| buf << ReVIEW::I18n.t('published_by3', [date_to_s(m[1]), m[2]]) }
        else
          # free format
          buf << item
        end
      end
    end
  elsif @config['date']
    buf << ReVIEW::I18n.t('published_by2', date_to_s(@config['date']))
  end
  buf
end

#make_input_files(book) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 165

def make_input_files(book)
  input_files = Hash.new { |h, key| h[key] = '' }
  book.parts.each do |part|
    if part.name.present?
      @config['use_part'] = true
      if part.file?
        if @buildonly && !@buildonly.include?(part.name)
          warn "skip #{part.name}.re"
          input_files['CHAPS'] << %Q(\\part{}\n)
        else
          output_chaps(part.name)
          input_files['CHAPS'] << %Q(\\input{#{part.name}.tex}\n)
        end
      else
        input_files['CHAPS'] << %Q(\\part{#{part.name}}\n)
      end
    end

    part.chapters.each do |chap|
      filename = File.basename(chap.path, '.*')
      entry = "\\input{#{filename}.tex}\n"
      if @buildonly && !@buildonly.include?(filename)
        warn "skip #{filename}.re"
        entry = "\\chapter{}\n"
      else
        output_chaps(filename)
      end

      input_files['PREDEF'] << entry if chap.on_predef?
      input_files['CHAPS'] << entry if chap.on_chaps?
      input_files['APPENDIX'] << entry if chap.on_appendix?
      input_files['POSTDEF'] << entry if chap.on_postdef?
    end
  end

  input_files
end

#output_chaps(filename) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 303

def output_chaps(filename)
  @logger.info "compiling #{filename}.tex"
  begin
    @converter.convert(filename + '.re', File.join(@path, filename + '.tex'))
  rescue => e
    @compile_errors = true
    warn "compile error in #{filename}.tex (#{e.class})"
    warn e.message
  end
end

#parse_opts(args) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 100

def parse_opts(args)
  cmd_config = {}
  opts = OptionParser.new
  @buildonly = nil

  opts.banner = 'Usage: review-pdfmaker configfile'
  opts.version = ReVIEW::VERSION
  opts.on('--help', 'Prints this message and quit.') do
    puts opts.help
    exit 0
  end
  opts.on('--[no-]debug', 'Keep temporary files.') { |debug| cmd_config['debug'] = debug }
  opts.on('--ignore-errors', 'Ignore review-compile errors.') { cmd_config['ignore-errors'] = true }
  opts.on('-y', '--only file1,file2,...', 'Build only specified files.') { |v| @buildonly = v.split(/\s*,\s*/).map { |m| m.strip.sub(/\.re\Z/, '') } }

  opts.parse!(args)
  if args.size != 1
    puts opts.help
    exit 0
  end

  [cmd_config, args[0]]
end

#pdf_filepath ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 65

def pdf_filepath
  File.join(@basedir, @config['bookname'] + '.pdf')
end

#remove_old_file ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 69

def remove_old_file
  FileUtils.rm_f(pdf_filepath)
end

#system_or_raise(*args) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 48

def system_or_raise(*args)
  @logger.info args.join(' ')
  out, status = Open3.capture2e(*args)
  unless status.success?
    error "failed to run command: #{args.join(' ')}\n\nError log:\n" + out
  end
end

#system_with_info(*args) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 40

def system_with_info(*args)
  @logger.info args.join(' ')
  out, status = Open3.capture2e(*args)
  unless status.success?
    @logger.error "execution error\n\nError log:\n" + out
  end
end

#template_content ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 480

def template_content
  template = File.expand_path('./latex/layout.tex.erb', ReVIEW::Template::TEMPLATE_DIR)
  if @config.check_version('2', exception: false)
    template = File.expand_path('./latex-compat2/layout.tex.erb', ReVIEW::Template::TEMPLATE_DIR)
  end
  layout_file = File.join(@basedir, 'layouts', 'layout.tex.erb')
  if File.exist?(layout_file)
    template = layout_file
  end
  erb_content(template)
end

#warn(msg) ⇒ Object 



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# File 'lib/review/pdfmaker.rb', line 61

def warn(msg)
  @logger.warn msg
end