Class: MarkdownIt::RulesInline::Escape

Inherits:
Object
  • Object
show all
Extended by:
Common::Utils
Defined in:
lib/motion-markdown-it/rules_inline/escape.rb

Constant Summary collapse

ESCAPED = 
[]

Constants included from Common::Utils

Common::Utils::DIGITAL_ENTITY_TEST_RE, Common::Utils::ENTITY_RE, Common::Utils::HTML_ESCAPE_REPLACE_RE, Common::Utils::HTML_ESCAPE_TEST_RE, Common::Utils::HTML_REPLACEMENTS, Common::Utils::REGEXP_ESCAPE_RE, Common::Utils::UNESCAPE_ALL_RE, Common::Utils::UNESCAPE_MD_RE, Common::Utils::UNICODE_PUNCT_RE

Class Method Summary collapse

Methods included from Common::Utils

arrayReplaceAt, assign, charCodeAt, escapeHtml, escapeRE, fromCharCode, fromCodePoint, isMdAsciiPunct, isPunctChar, isSpace, isValidEntityCode, isWhiteSpace, normalizeReference, replaceEntityPattern, unescapeAll, unescapeMd

Class Method Details

.escape(state, silent) ⇒ Object 



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# File 'lib/motion-markdown-it/rules_inline/escape.rb', line 15

def self.escape(state, silent)
  pos = state.pos
  max = state.posMax

  return false if charCodeAt(state.src, pos) != 0x5C    #  
  pos += 1

  # '\' at the end of the inline block
  return false if pos >= max

  ch1 = charCodeAt(state.src, pos)

  if ch1 == 0x0A
    if !silent
      state.push('hardbreak', 'br', 0)
    end

    pos += 1
    # skip leading whitespaces from next line
    while pos < max
      ch1 = charCodeAt(state.src, pos)
      break if !isSpace(ch1)
      pos += 1
    end

    state.pos = pos
    return true
  end

  escapedStr = state.src[pos]

  if (ch1 >= 0xD800 && ch1 <= 0xDBFF && pos + 1 < max)
    ch2 = charCodeAt(state.src, pos + 1)

    if (ch2 >= 0xDC00 && ch2 <= 0xDFFF)
      escapedStr += state.src[pos + 1]
      pos += 1
    end
  end

  origStr = '\\' + escapedStr

  if (!silent)
    token = state.push('text_special', '', 0)

    if ch1 < 256 && ESCAPED[ch1] != 0
      token.content = escapedStr
    else
      token.content = origStr
    end
  
    token.markup = origStr
    token.info   = 'escape'
  end

  state.pos = pos + 1
  return true
end