Stormwind
3bb53d7343
Killed 13 of 14 mutants. I will see later, how it's possible to kill the last one. I also fixed the return value of "preferred", if the in initialize given string is empty. Fixed the default value here.
56 lines
1.5 KiB
Ruby
56 lines
1.5 KiB
Ruby
module Zero
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class Request
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# This class provides an interface to access information of accept schemas.
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class AcceptType
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MEDIA_TYPE_SEPERATOR = ','
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MEDIA_PARAM_SEPERATOR = ';'
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MEDIA_QUALITY_REGEX = /q=[01]\./
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# create a new instance of AcceptType
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def initialize(string)
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string = '*/*' if string.nil? or string.empty?
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@elements = parse_elements(string)
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end
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# return the preferred type
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# @return String the preferred media type
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def preferred
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@elements.first
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end
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# iterate over all media types
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def each
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@elements.each {|element| yield element}
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end
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private
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# converts the accept string to a useable array
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# @param string the string containing media ranges and options
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def parse_elements(string)
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string.
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gsub(/\s/, '').
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split(MEDIA_TYPE_SEPERATOR).
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map do |accept_range|
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extract_order(*accept_range.split(MEDIA_PARAM_SEPERATOR))
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end.
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sort_by(&:last).
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map(&:first)
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end
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# extract the order of the type
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# @param media_type the type itself
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# @param params further options to the type
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# @return Array the media type and quality in that order
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def extract_order(media_type, *params)
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params.each do |param|
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if param.match(MEDIA_QUALITY_REGEX)
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return [media_type, 10 - param[4..-1].to_i]
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end
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end
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[media_type, 0]
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end
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end
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end
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end
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