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