Module | ActiveSupport::CoreExtensions::Array::Conversions |
In: |
vendor/rails/activesupport/lib/active_support/core_ext/array/conversions.rb
|
# File vendor/rails/activesupport/lib/active_support/core_ext/array/conversions.rb, line 48 48: def to_formatted_s(format = :default) 49: case format 50: when :db 51: if respond_to?(:empty?) && self.empty? 52: "null" 53: else 54: collect { |element| element.id }.join(",") 55: end 56: else 57: to_default_s 58: end 59: end
Converts an array into a string suitable for use as a URL query string, using the given key as the param name.
['Rails', 'coding'].to_query('hobbies') => "hobbies%5B%5D=Rails&hobbies%5B%5D=coding"
# File vendor/rails/activesupport/lib/active_support/core_ext/array/conversions.rb, line 37 37: def to_query(key) 38: collect { |value| value.to_query("#{key}[]") } * '&' 39: end
Converts the array to a comma-separated sentence where the last element is joined by the connector word. Options:
# File vendor/rails/activesupport/lib/active_support/core_ext/array/conversions.rb, line 10 10: def to_sentence(options = {}) 11: options.assert_valid_keys(:connector, :skip_last_comma) 12: options.reverse_merge! :connector => 'and', :skip_last_comma => false 13: options[:connector] = "#{options[:connector]} " unless options[:connector].nil? || options[:connector].strip == '' 14: 15: case length 16: when 0 17: "" 18: when 1 19: self[0].to_s 20: when 2 21: "#{self[0]} #{options[:connector]}#{self[1]}" 22: else 23: "#{self[0...-1].join(', ')}#{options[:skip_last_comma] ? '' : ','} #{options[:connector]}#{self[-1]}" 24: end 25: end
# File vendor/rails/activesupport/lib/active_support/core_ext/array/conversions.rb, line 61 61: def to_xml(options = {}) 62: raise "Not all elements respond to to_xml" unless all? { |e| e.respond_to? :to_xml } 63: 64: options[:root] ||= all? { |e| e.is_a?(first.class) && first.class.to_s != "Hash" } ? first.class.to_s.underscore.pluralize : "records" 65: options[:children] ||= options[:root].singularize 66: options[:indent] ||= 2 67: options[:builder] ||= Builder::XmlMarkup.new(:indent => options[:indent]) 68: 69: root = options.delete(:root).to_s 70: children = options.delete(:children) 71: 72: if !options.has_key?(:dasherize) || options[:dasherize] 73: root = root.dasherize 74: end 75: 76: options[:builder].instruct! unless options.delete(:skip_instruct) 77: 78: opts = options.merge({ :root => children }) 79: 80: xml = options[:builder] 81: if empty? 82: xml.tag!(root, options[:skip_types] ? {} : {:type => "array"}) 83: else 84: xml.tag!(root, options[:skip_types] ? {} : {:type => "array"}) { 85: yield xml if block_given? 86: each { |e| e.to_xml(opts.merge!({ :skip_instruct => true })) } 87: } 88: end 89: end