Module: ReVIEW::LaTeXUtils

Included in:
LATEXBuilder, PDFMaker
Defined in:
lib/review/latexutils.rb

Instance Method Summary collapse

Instance Method Details

#escape(str) ⇒ Object Also known as: escape_latex 



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# File 'lib/review/latexutils.rb', line 67

def escape(str)
  str.gsub(@metachars_re) { |s| @metachars[s] or raise "unknown trans char: #{s}" }
end

#escape_index(str) ⇒ Object 



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# File 'lib/review/latexutils.rb', line 80

def escape_index(str)
  str.gsub(/[@!|"]/) { |s| '"' + s }
end

#escape_mendex_display(str) ⇒ Object 



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# File 'lib/review/latexutils.rb', line 88

def escape_mendex_display(str)
  str.gsub('\{', '\reviewleftcurlybrace{}').gsub('\}', '\reviewrightcurlybrace{}')
end

#escape_mendex_key(str) ⇒ Object 



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# File 'lib/review/latexutils.rb', line 84

def escape_mendex_key(str)
  str.gsub('"|', '｜').tr('{', '｛').tr('}', '｝')
end

#escape_url(str) ⇒ Object 



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# File 'lib/review/latexutils.rb', line 92

def escape_url(str)
  str.gsub(/[\#%]/) { |s| '\\' + s }
end

#initialize_metachars(texcommand) ⇒ Object 



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# File 'lib/review/latexutils.rb', line 14

def initialize_metachars(texcommand)
  @metachars = {
    '#' => '\#',
    '$' => '\textdollar{}',
    '%' => '\%',
    '&' => '\&',
    '{' => '\{',
    '}' => '\}',
    '_' => '\textunderscore{}',
    '^' => '\textasciicircum{}',
    '~' => '\textasciitilde{}',
    '|' => '\textbar{}',
    '<' => '\textless{}',
    '>' => '\textgreater{}',
    '\\' => '\reviewbackslash{}',
    '-' => '{-}'
  }

  if File.basename(texcommand, '.*') == 'platex'
    @metachars.merge!(
      '⓪' => '\UTF{24EA}',
      '①' => '\UTF{2460}',
      '②' => '\UTF{2461}',
      '③' => '\UTF{2462}',
      '④' => '\UTF{2463}',
      '⑤' => '\UTF{2464}',
      '⑥' => '\UTF{2465}',
      '⑦' => '\UTF{2466}',
      '⑧' => '\UTF{2467}',
      '⑨' => '\UTF{2468}',
      '⑩' => '\UTF{2469}',
      '⑪' => '\UTF{246A}',
      '⑫' => '\UTF{246B}',
      '⑬' => '\UTF{246C}',
      '⑭' => '\UTF{246D}',
      '⑮' => '\UTF{246E}',
      '⑯' => '\UTF{246F}'
    )

    kanalist = %w[｡ ｢ ｣ ､ ･ ｦ ｧ ｨ ｩ ｪ ｫ ｬ ｭ ｮ ｯ ｰ ｱ ｲ ｳ ｴ
                  ｵ ｶ ｷ ｸ ｹ ｺ ｻ ｼ ｽ ｾ ｿ ﾀ ﾁ ﾂ ﾃ ﾄ ﾅ ﾆ ﾇ ﾈ ﾉ ﾊ ﾋ ﾌ ﾍ ﾎ ﾏ
                  ﾐ ﾑ ﾒ ﾓ ﾔ ﾕ ﾖ ﾗ ﾘ ﾙ ﾚ ﾛ ﾜ ﾝ ﾞ ﾟ]
    kanalist.each do |char|
      char_jisx0208 = NKF.nkf('-WwX', char)
      @metachars[char] = "\\aj半角{#{char_jisx0208}}"
    end
  end

  @metachars_re = /[#{Regexp.escape(@metachars.keys.join(''))}]/u # rubocop:disable Style/RedundantArgument

  @metachars_invert = @metachars.invert
end

#macro(name, *args) ⇒ Object 



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

def macro(name, *args)
  "\\#{name}" + args.map { |a| "{#{a}}" }.join
end

#unescape(str) ⇒ Object Also known as: unescape_latex 



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

def unescape(str)
  metachars_invert_re = Regexp.new(@metachars_invert.keys.collect { |key| Regexp.escape(key) }.join('|'))
  str.gsub(metachars_invert_re) { |s| @metachars_invert[s] or raise "unknown trans char: #{s}" }
end