Module: ActiveSupport::CoreExtensions::Array::Conversions
- Included in:
- Array
- Defined in:
- lib/active_support/core_ext/array/conversions.rb
Class Method Summary collapse
-
.included(klass) ⇒ Object
:nodoc:.
Instance Method Summary collapse
- #to_formatted_s(format = :default) ⇒ Object
-
#to_param ⇒ Object
When an array is given to url_for, it is converted to a slash separated string.
-
#to_sentence(options = {}) ⇒ Object
Converts the array to comma-seperated sentence where the last element is joined by the connector word.
- #to_xml(options = {}) ⇒ Object
Class Method Details
.included(klass) ⇒ Object
:nodoc:
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# File 'lib/active_support/core_ext/array/conversions.rb', line 29 def self.included(klass) #:nodoc: klass.send(:alias_method, :to_default_s, :to_s) klass.send(:alias_method, :to_s, :to_formatted_s) end |
Instance Method Details
#to_formatted_s(format = :default) ⇒ Object
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# File 'lib/active_support/core_ext/array/conversions.rb', line 34 def to_formatted_s(format = :default) case format when :db if respond_to?(:empty?) && self.empty? "null" else collect { |element| element.id }.join(",") end else to_default_s end end |
#to_param ⇒ Object
When an array is given to url_for, it is converted to a slash separated string.
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# File 'lib/active_support/core_ext/array/conversions.rb', line 25 def to_param join '/' end |
#to_sentence(options = {}) ⇒ Object
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 'lib/active_support/core_ext/array/conversions.rb', line 8 def to_sentence( = {}) .assert_valid_keys(:connector, :skip_last_comma) .reverse_merge! :connector => 'and', :skip_last_comma => false case length when 0 "" when 1 self[0] when 2 "#{self[0]} #{[:connector]} #{self[1]}" else "#{self[0...-1].join(', ')}#{[:skip_last_comma] ? '' : ','} #{[:connector]} #{self[-1]}" end end |
#to_xml(options = {}) ⇒ Object
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# File 'lib/active_support/core_ext/array/conversions.rb', line 47 def to_xml( = {}) raise "Not all elements respond to to_xml" unless all? { |e| e.respond_to? :to_xml } [:root] ||= all? { |e| e.is_a?(first.class) && first.class.to_s != "Hash" } ? first.class.to_s.underscore.pluralize : "records" [:children] ||= [:root].singularize [:indent] ||= 2 [:builder] ||= Builder::XmlMarkup.new(:indent => [:indent]) root = .delete(:root).to_s children = .delete(:children) if !.has_key?(:dasherize) || [:dasherize] root = root.dasherize end [:builder].instruct! unless .delete(:skip_instruct) opts = .merge({ :root => children }) [:builder].tag!(root) { each { |e| e.to_xml(opts.merge!({ :skip_instruct => true })) } } end |