47 lines
1.9 KiB
Ruby
47 lines
1.9 KiB
Ruby
module ActiveSupport #:nodoc:
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module CoreExtensions #:nodoc:
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module Array #:nodoc:
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module Conversions
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# Converts the array to comma-seperated sentence where the last element is joined by the connector word. Options:
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# * <tt>:connector</tt>: The word used to join the last element in arrays with more than two elements (default: "and")
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# * <tt>:skip_last_comma</tt>: Set to true to return "a, b, and c" instead of "a, b and c".
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def to_sentence(options = {})
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options.assert_valid_keys(:connector, :skip_last_comma)
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options.reverse_merge! :connector => 'and', :skip_last_comma => false
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case length
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when 0
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""
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when 1
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self[0]
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when 2
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"#{self[0]} #{options[:connector]} #{self[1]}"
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else
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"#{self[0...-1].join(', ')}#{options[:skip_last_comma] ? '' : ','} #{options[:connector]} #{self[-1]}"
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end
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end
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# When an array is given to url_for, it is converted to a slash separated string.
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def to_param
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join '/'
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end
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def to_xml(options = {})
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raise "Not all elements respond to to_xml" unless all? { |e| e.respond_to? :to_xml }
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options[:root] ||= all? { |e| e.is_a?(first.class) && first.class.to_s != "Hash" } ? first.class.to_s.underscore.pluralize : "records"
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options[:children] ||= options[:root].singularize
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options[:indent] ||= 2
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options[:builder] ||= Builder::XmlMarkup.new(:indent => options[:indent])
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root = options.delete(:root)
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children = options.delete(:children)
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options[:builder].instruct! unless options.delete(:skip_instruct)
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options[:builder].tag!(root.to_s.dasherize) { each { |e| e.to_xml(options.merge({ :skip_instruct => true, :root => children })) } }
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end
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end
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end
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end
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end
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