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

Instance Attribute Summary

Attributes inherited from Rouge::Lexer

#options

Class Method Summary collapse

Methods inherited from RegexLexer

append, #delegate, #goto, #group, #groups, #in_state?, #pop!, prepend, #push, #recurse, replace_state, #reset!, #reset_stack, #stack, start, start_procs, state, #state, #state?, state_definitions, states, #step, #stream_tokens, #token

Methods inherited from Rouge::Lexer

aliases, all, #as_bool, #as_lexer, #as_list, #as_string, #as_token, #bool_option, continue_lex, #continue_lex, debug_enabled?, demo, demo_file, desc, detectable?, disable_debug!, enable_debug!, filenames, find, find_fancy, guess, guess_by_filename, guess_by_mimetype, guess_by_source, guesses, #hash_option, #initialize, lex, #lex, #lexer_option, #list_option, lookup_fancy, mimetypes, option, option_docs, #reset!, #stream_tokens, #string_option, #tag, tag, title, #token_option, #with

Methods included from Token::Tokens

token

Constructor Details

This class inherits a constructor from Rouge::Lexer

Class Method Details

.detect?(text) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rouge/lexers/gherkin.rb', line 16

def self.detect?(text)
  return true if text.shebang? 'cucumber'
end

.keywords ⇒ Object

self-modifying method that loads the keywords file



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# File 'lib/rouge/lexers/gherkin.rb', line 21

def self.keywords
  Kernel::load File.join(Lexers::BASE_DIR, 'gherkin/keywords.rb')
  keywords
end

.step_regex ⇒ Object 



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# File 'lib/rouge/lexers/gherkin.rb', line 26

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)
      elsif w.end_with?(' ')
        Regexp.escape(w)
      else
        "#{Regexp.escape(w)}\\b"
      end
    end.join('|')
  )
end