Methods
Public Instance methods
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# File vendor/rails/activesupport/lib/active_support/core_ext/array/conversions.rb, line 34 34: def to_formatted_s(format = :default) 35: case format 36: when :db 37: if respond_to?(:empty?) && self.empty? 38: "null" 39: else 40: collect { |element| element.id }.join(",") 41: end 42: else 43: to_default_s 44: end 45: end
When an array is given to url_for, it is converted to a slash separated string.
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# File vendor/rails/activesupport/lib/active_support/core_ext/array/conversions.rb, line 25 25: def to_param 26: join '/' 27: end
Converts the array to comma-seperated sentence where the last element is joined by the connector word. Options:
- :connector: The word used to join the last element in arrays with two or more elements (default: "and")
- :skip_last_comma: Set to true to return "a, b and c" instead of "a, b, and c".
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# File vendor/rails/activesupport/lib/active_support/core_ext/array/conversions.rb, line 8 8: def to_sentence(options = {}) 9: options.assert_valid_keys(:connector, :skip_last_comma) 10: options.reverse_merge! :connector => 'and', :skip_last_comma => false 11: 12: case length 13: when 0 14: "" 15: when 1 16: self[0] 17: when 2 18: "#{self[0]} #{options[:connector]} #{self[1]}" 19: else 20: "#{self[0...-1].join(', ')}#{options[:skip_last_comma] ? '' : ','} #{options[:connector]} #{self[-1]}" 21: end 22: end
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# File vendor/rails/activesupport/lib/active_support/core_ext/array/conversions.rb, line 47 47: def to_xml(options = {}) 48: raise "Not all elements respond to to_xml" unless all? { |e| e.respond_to? :to_xml } 49: 50: options[:root] ||= all? { |e| e.is_a?(first.class) && first.class.to_s != "Hash" } ? first.class.to_s.underscore.pluralize : "records" 51: options[:children] ||= options[:root].singularize 52: options[:indent] ||= 2 53: options[:builder] ||= Builder::XmlMarkup.new(:indent => options[:indent]) 54: 55: root = options.delete(:root).to_s 56: children = options.delete(:children) 57: 58: if !options.has_key?(:dasherize) || options[:dasherize] 59: root = root.dasherize 60: end 61: 62: options[:builder].instruct! unless options.delete(:skip_instruct) 63: 64: opts = options.merge({ :root => children }) 65: 66: options[:builder].tag!(root) { each { |e| e.to_xml(opts.merge!({ :skip_instruct => true })) } } 67: end