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Contents
# Patch based on https://github.com/rack/rack/pull/1881
# This should be removed when/if this functionality makes its way into a rack
# release (possible rack 3.1.0)
module Rack
class Request
def headers
@headers ||= Headers.new(@env)
end
class Headers
def initialize(env)
@env = env
end
def [](k)
@env[header_to_env_key(k)]
end
def []=(k, v)
@env[header_to_env_key(k)] = v
end
def add(k, v)
k = header_to_env_key(k)
case existing = @env[k]
when nil
@env[k] = v
when String
@env[k] = [existing, v]
when Array
existing << v
end
end
def delete(k)
@env.delete(header_to_env_key(k))
end
def each
return to_enum(:each) unless block_given?
@env.each do |k, v|
next unless k = env_to_header_key(k)
yield k, v
end
end
def fetch(k, &block)
@env.fetch(header_to_env_key(k), &block)
end
def has_key?(k)
@env.has_key?(header_to_env_key(k))
end
def to_h
h = {}
each{|k, v| h[k] = v}
h
end
private
def env_to_header_key(k)
case k
when /\AHTTP_/
k = k[5..-1]
k.downcase!
k.tr!('_', '-')
k
when "CONTENT_LENGTH", "CONTENT_TYPE"
k = k.downcase
k.tr!('_', '-')
k
end
end
def header_to_env_key(k)
k = k.upcase
k.tr!('-', '_')
unless k == "CONTENT_LENGTH" || k == "CONTENT_TYPE"
k = "HTTP_#{k}"
end
k
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems