Class: MarkdownIt::RulesBlock::HtmlBlock

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

Constant Summary collapse

HTML_OPEN_CLOSE_TAG_RE = 
MarkdownIt::Common::HtmlRe::HTML_OPEN_CLOSE_TAG_RE
HTML_SEQUENCES =

An array of opening and corresponding closing sequences for html tags, last argument defines whether it can terminate a paragraph or not

[
  [ /^<(script|pre|style)(?=(\s|>|$))/i, /<\/(script|pre|style)>/i, true ],
  [ /^<!--/,        /-->/,   true ],
  [ /^<\?/,         /\?>/,   true ],
  [ /^<![A-Z]/,     />/,     true ],
  [ /^<!\[CDATA\[/, /\]\]>/, true ],
  [ Regexp.new('^</?(' + MarkdownIt::HTML_BLOCKS.join('|') + ')(?=(\\s|/?>|$))', 'i'), /^$/, true ],
  [ Regexp.new(HTML_OPEN_CLOSE_TAG_RE.source + '\\s*$'),  /^$/, false ]
]

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

.html_block(state, startLine, endLine, silent) ⇒ Object 



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# File 'lib/motion-markdown-it/rules_block/html_block.rb', line 24

def self.html_block(state, startLine, endLine, silent)
  pos   = state.bMarks[startLine] + state.tShift[startLine]
  max   = state.eMarks[startLine]

  # if it's indented more than 3 spaces, it should be a code block
  return false if state.sCount[startLine] - state.blkIndent >= 4

  return false if !state.md.options[:html]
  return false if charCodeAt(state.src, pos) != 0x3C    # <

  lineText = state.src.slice(pos...max)

  i = 0
  while i < HTML_SEQUENCES.length
    break if HTML_SEQUENCES[i][0].match(lineText)
    i += 1
  end

  return false if i == HTML_SEQUENCES.length

  if silent
    # true if this sequence can be a terminator, false otherwise
    return HTML_SEQUENCES[i][2]
  end

  nextLine = startLine + 1

  # If we are here - we detected HTML block.
  # Let's roll down till block end.
  if !HTML_SEQUENCES[i][1].match(lineText)
    while nextLine < endLine
      break if state.sCount[nextLine] < state.blkIndent

      pos = state.bMarks[nextLine] + state.tShift[nextLine]
      max = state.eMarks[nextLine]
      lineText = state.src.slice(pos...max)

      if HTML_SEQUENCES[i][1].match(lineText)
        nextLine += 1 if lineText.length != 0
        break
      end
      nextLine += 1
    end
  end

  state.line = nextLine

  token         = state.push('html_block', '', 0)
  token.map     = [ startLine, nextLine ]
  token.content = state.getLines(startLine, nextLine, state.blkIndent, true)

  return true
end