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Contents
# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2020-2023, by Samuel Williams.
# Copyright, 2023, by Thomas Morgan.
require_relative "split"
module Protocol
module HTTP
module Header
class ETags < Split
def wildcard?
self.include?("*")
end
# This implementation is not strictly correct according to the RFC-specified format.
def match?(etag)
wildcard? || self.include?(etag)
end
# Useful with If-Match
def strong_match?(etag)
wildcard? || (!weak_tag?(etag) && self.include?(etag))
end
# Useful with If-None-Match
def weak_match?(etag)
wildcard? || self.include?(etag) || self.include?(opposite_tag(etag))
end
private
def opposite_tag(etag)
weak_tag?(etag) ? etag[2..-1] : "W/#{etag}"
end
def weak_tag?(tag)
tag&.start_with? "W/"
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems