Object
Used by code generators for other lexer tools like pygments lexer and textmate bundle
# File lib/gherkin/i18n.rb, line 20 def all LANGUAGES.keys.sort.map{|iso_code| get(iso_code)} end
# File lib/gherkin/i18n.rb, line 53 def code_keyword_for(gherkin_keyword) gherkin_keyword.gsub(/[\s',!]/, '').strip end
# File lib/gherkin/i18n.rb, line 49 def code_keywords rubify(all.map{|i18n| i18n.code_keywords}).flatten.uniq.sort end
# File lib/gherkin/i18n.rb, line 24 def get(iso_code) languages[iso_code] ||= new(iso_code) end
Returns all keyword translations and aliases of keywords, escaped and joined with |. This method is convenient for editor support and syntax highlighting engines for Gherkin, where there is typically a code generation tool to generate regular expressions for recognising the various I18n translations of Gherkin’s keywords.
The keywords arguments can be one of :feature, :background, :scenario, :scenario_outline, :examples, :step.
# File lib/gherkin/i18n.rb, line 35 def keyword_regexp(*keywords) unique_keywords = all.map do |i18n| keywords.map do |keyword| if keyword.to_s == 'step' i18n.step_keywords.to_a else i18n.keywords(keyword).to_a end end end unique_keywords.flatten.compact.map{|kw| kw.to_s}.sort.reverse.uniq.join('|').gsub(/\*/, '\*') end
# File lib/gherkin/i18n.rb, line 57 def language_table require 'stringio' require 'gherkin/formatter/pretty_formatter' require 'gherkin/formatter/model' io = StringIO.new pf = Gherkin::Formatter::PrettyFormatter.new(io, true, false) table = all.map do |i18n| Formatter::Model::DataTableRow.new([], [i18n.iso_code, i18n.keywords('name')[0], i18n.keywords('native')[0]], nil) end pf.table(table) io.string end
# File lib/gherkin/i18n.rb, line 111 def c(listener) require 'gherkin/c_lexer' CLexer[underscored_iso_code].new(listener) end
Keywords that can be used in code
# File lib/gherkin/i18n.rb, line 131 def code_keywords result = step_keywords.map{|keyword| self.class.code_keyword_for(keyword)} result.delete('*') result.delete_if {|kw| kw =~ /^\d/} result end
# File lib/gherkin/i18n.rb, line 144 def keyword_table require 'stringio' require 'gherkin/formatter/pretty_formatter' require 'gherkin/formatter/model' io = StringIO.new pf = Gherkin::Formatter::PrettyFormatter.new(io, false, false) gherkin_keyword_table = KEYWORD_KEYS.map do |key| Formatter::Model::Row.new([], [key, keywords(key).map{|keyword| %{"#{keyword}"}}.join(', ')], nil) end code_keyword_table = STEP_KEYWORD_KEYS.map do |key| code_keywords = keywords(key).reject{|keyword| keyword == '* '}.map do |keyword| %{"#{self.class.code_keyword_for(keyword)}"} end.join(', ') Formatter::Model::Row.new([], ["#{key} (code)", code_keywords], nil) end pf.table(gherkin_keyword_table + code_keyword_table) io.string end
# File lib/gherkin/i18n.rb, line 138 def keywords(key) key = key.to_s raise "No #{key.inspect} in #{@keywords.inspect}" if @keywords[key].nil? @keywords[key].split('|').map{|keyword| real_keyword(key, keyword)} end
# File lib/gherkin/i18n.rb, line 96 def lexer(listener, force_ruby=false) if force_ruby || ENV['GHERKIN_RUBY'] =~ /true/ rb(listener) else begin c(listener) rescue NameError, LoadError => e warn("WARNING: #{e.message}. Reverting to Ruby lexer.") rb(listener) end end rescue LoadError => e raise LexerNotFound, "No lexer was found for #{iso_code} (#{e.message}). Supported languages are listed in gherkin/i18n.json." end
# File lib/gherkin/i18n.rb, line 116 def rb(listener) require "gherkin/lexer/#{underscored_iso_code}" Lexer.const_get(underscored_iso_code.capitalize).new(listener) end
Keywords that can be used in Gherkin source
# File lib/gherkin/i18n.rb, line 126 def step_keywords STEP_KEYWORD_KEYS.map{|iso_code| keywords(iso_code)}.flatten.uniq end
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