Module: ReVIEW::LaTeXUtils

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

Instance Method Summary collapse

Instance Method Details

#escape_index(str) ⇒ Object 



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

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

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



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# File 'lib/review/latexutils.rb', line 71

def escape_latex(str)
  str.gsub(@metachars_re) {|s|
    @metachars[s] or raise "unknown trans char: #{s}"
  }
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 18

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

  @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_latex(str) ⇒ Object Also known as: unescape 



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# File 'lib/review/latexutils.rb', line 79

def unescape_latex(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