Object
Used by code generators for other lexer tools like pygments lexer and textmate bundle
# File lib/gherkin/i18n.rb, line 18
18: def all
19: LANGUAGES.keys.sort.map{|iso_code| get(iso_code)}
20: end
# File lib/gherkin/i18n.rb, line 51
51: def code_keyword_for(gherkin_keyword)
52: gherkin_keyword.gsub(/[\s',!]/, '').strip
53: end
# File lib/gherkin/i18n.rb, line 47
47: def code_keywords
48: rubify(all.map{|i18n| i18n.code_keywords}).flatten.uniq.sort
49: end
# File lib/gherkin/i18n.rb, line 22
22: def get(iso_code)
23: languages[iso_code] ||= new(iso_code)
24: 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 33
33: def keyword_regexp(*keywords)
34: unique_keywords = all.map do |i18n|
35: keywords.map do |keyword|
36: if keyword.to_s == 'step'
37: i18n.step_keywords.to_a
38: else
39: i18n.keywords(keyword).to_a
40: end
41: end
42: end
43:
44: unique_keywords.flatten.compact.map{|kw| kw.to_s}.sort.reverse.uniq.join('|').gsub(/\*/, '\*')
45: end
# File lib/gherkin/i18n.rb, line 55
55: def language_table
56: require 'stringio'
57: require 'gherkin/formatter/pretty_formatter'
58: require 'gherkin/formatter/model'
59: io = defined?(JRUBY_VERSION) ? Java.java.io.StringWriter.new : StringIO.new
60: pf = Gherkin::Formatter::PrettyFormatter.new(io, true)
61: table = all.map do |i18n|
62: Formatter::Model::Row.new([], [i18n.iso_code, i18n.keywords('name')[0], i18n.keywords('native')[0]], nil)
63: end
64: pf.table(table)
65: if defined?(JRUBY_VERSION)
66: io.getBuffer.toString
67: else
68: io.string
69: end
70: end
# File lib/gherkin/i18n.rb, line 91
91: def initialize(iso_code)
92: @iso_code = iso_code
93: @keywords = LANGUAGES[iso_code]
94: raise "Language not supported: #{iso_code.inspect}" if @iso_code.nil?
95: @keywords['grammar_name'] = @keywords['name'].gsub(/\s/, '')
96: end
# File lib/gherkin/i18n.rb, line 115
115: def c(listener)
116: require 'gherkin/c_lexer'
117: CLexer[underscored_iso_code].new(listener)
118: end
Keywords that can be used in code
# File lib/gherkin/i18n.rb, line 135
135: def code_keywords
136: result = step_keywords.map{|keyword| self.class.code_keyword_for(keyword)}
137: result.delete('*')
138: result
139: end
# File lib/gherkin/i18n.rb, line 147
147: def keyword_table
148: require 'stringio'
149: require 'gherkin/formatter/pretty_formatter'
150: require 'gherkin/formatter/model'
151: io = StringIO.new
152: pf = Gherkin::Formatter::PrettyFormatter.new(io, true)
153:
154: gherkin_keyword_table = KEYWORD_KEYS.map do |key|
155: Formatter::Model::Row.new([], [key, keywords(key).map{|keyword| %{"#{keyword}"}}.join(', ')], nil)
156: end
157:
158: code_keyword_table = STEP_KEYWORD_KEYS.map do |key|
159: code_keywords = keywords(key).reject{|keyword| keyword == '* '}.map do |keyword|
160: %{"#{self.class.code_keyword_for(keyword)}"}
161: end.join(', ')
162: Formatter::Model::Row.new([], ["#{key} (code)", code_keywords], nil)
163: end
164:
165: pf.table(gherkin_keyword_table + code_keyword_table)
166: io.rewind
167: io.read
168: end
# File lib/gherkin/i18n.rb, line 141
141: def keywords(key)
142: key = key.to_s
143: raise "No #{key.inspect} in #{@keywords.inspect}" if @keywords[key].nil?
144: @keywords[key].split('|').map{|keyword| real_keyword(key, keyword)}
145: end
# File lib/gherkin/i18n.rb, line 98
98: def lexer(listener, force_ruby=false)
99: begin
100: if force_ruby
101: rb(listener)
102: else
103: begin
104: c(listener)
105: rescue NameError, LoadError => e
106: warn("WARNING: #{e.message}. Reverting to Ruby lexer.")
107: rb(listener)
108: end
109: end
110: rescue LoadError => e
111: raise I18nLexerNotFound, "No lexer was found for #{i18n_language_name} (#{e.message}). Supported languages are listed in gherkin/i18n.yml."
112: end
113: end
# File lib/gherkin/i18n.rb, line 120
120: def rb(listener)
121: require 'gherkin/rb_lexer'
122: RbLexer[underscored_iso_code].new(listener)
123: end
Keywords that can be used in Gherkin source
# File lib/gherkin/i18n.rb, line 130
130: def step_keywords
131: STEP_KEYWORD_KEYS.map{|iso_code| keywords(iso_code)}.flatten.uniq
132: end
Disabled; run with --debug to generate this.
Generated with the Darkfish Rdoc Generator 1.1.6.