Class: Rouge::Lexers::Gherkin

Inherits:
RegexLexer show all
Defined in:
lib/rouge/lexers/gherkin.rb

Constant Summary

Constants inherited from RegexLexer

RegexLexer::MAX_NULL_SCANS

Constants included from Token::Tokens

Token::Tokens::Num, Token::Tokens::Str

Class Method Summary collapse

Methods inherited from RegexLexer

#delegate, get_state, #get_state, #goto, #group, #groups, #in_state?, #pop!, #push, #reset!, #reset_stack, #run_callback, #run_rule, #stack, start, start_procs, #state, state, #state?, states, #step, #stream_tokens, #token

Methods inherited from Rouge::Lexer

aliases, all, assert_utf8!, #debug, default_options, demo, demo_file, desc, filenames, find, find_fancy, guess, guess_by_filename, guess_by_mimetype, guess_by_source, guesses, #initialize, lex, #lex, mimetypes, #option, #options, #reset!, #stream_tokens, #tag, tag

Methods included from Token::Tokens

token

Constructor Details

This class inherits a constructor from Rouge::Lexer

Class Method Details

.analyze_text(text) ⇒ Object


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# File 'lib/rouge/lexers/gherkin.rb', line 12

def self.analyze_text(text)
  return 1 if text.shebang? 'cucumber'
end

.keywordsObject

self-modifying method that loads the keywords file


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# File 'lib/rouge/lexers/gherkin.rb', line 17

def self.keywords
  load Pathname.new(__FILE__).dirname.join('gherkin/keywords.rb')
  keywords
end

.step_regexObject


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# File 'lib/rouge/lexers/gherkin.rb', line 22

def self.step_regex
  # in Gherkin's config, keywords that end in < don't
  # need word boundaries at the ends - all others do.
  @step_regex ||= Regexp.new(
    keywords[:step].map do |w|
      if w.end_with? '<'
        Regexp.escape(w.chop)
      else
        "#{Regexp.escape(w)}\\b"
      end
    end.join('|')
  )
end