Module: Upmark

Defined in:
lib/upmark.rb,
lib/upmark/errors.rb,
lib/upmark/parser/xml.rb,
lib/upmark/transform/ignore.rb,
lib/upmark/transform_helpers.rb,
lib/upmark/transform/markdown.rb,
lib/upmark/transform/normalise.rb,
lib/upmark/transform/preprocess.rb

Defined Under Namespace

Modules: Parser, Transform, TransformHelpers

Constant Summary collapse

ParseFailed = 
Class.new(StandardError)

Class Method Summary collapse

Class Method Details

.convert(html) ⇒ Object 



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# File 'lib/upmark.rb', line 13

def self.convert(html)
  xml          = Parser::XML.new
  normalise    = Transform::Normalise.new
  preprocess   = Transform::Preprocess.new
  markdown     = Transform::Markdown.new

  ast = xml.parse(html.strip)
  ast = normalise.apply(ast)
  ast = preprocess.apply(ast)
  ast = markdown.apply(ast)

  # The result is either a String or an Array.
  ast = ast.join if ast.is_a?(Array)

  # Any more than two consecutive newline characters is superflous.
  ast = ast.gsub(/\n(\s*\n)+/, "\n\n")

  ast.strip
rescue Parslet::ParseFailed
  raise Upmark::ParseFailed
end