Parent

Rack::Utils::HeaderHash

A case-insensitive Hash that preserves the original case of a header when set.

Public Class Methods

new(hash={}) click to toggle source
# File lib/rack/utils.rb, line 426
def self.new(hash={})
  HeaderHash === hash ? hash : super(hash)
end
new(hash={}) click to toggle source
# File lib/rack/utils.rb, line 430
def initialize(hash={})
  super()
  @names = {}
  hash.each { |k, v| self[k] = v }
end

Public Instance Methods

[](k) click to toggle source
# File lib/rack/utils.rb, line 448
def [](k)
  super(k) || super(@names[k.downcase])
end
[]=(k, v) click to toggle source
# File lib/rack/utils.rb, line 452
def []=(k, v)
  canonical = k.downcase
  delete k if @names[canonical] && @names[canonical] != k # .delete is expensive, don't invoke it unless necessary
  @names[k] = @names[canonical] = k
  super k, v
end
delete(k) click to toggle source
# File lib/rack/utils.rb, line 459
def delete(k)
  canonical = k.downcase
  result = super @names.delete(canonical)
  @names.delete_if { |name,| name.downcase == canonical }
  result
end
each() click to toggle source
# File lib/rack/utils.rb, line 436
def each
  super do |k, v|
    yield(k, v.respond_to?(:to_ary) ? v.to_ary.join("\n") : v)
  end
end
has_key?(k) click to toggle source
Alias for: include?
include?(k) click to toggle source
# File lib/rack/utils.rb, line 466
def include?(k)
  @names.include?(k) || @names.include?(k.downcase)
end
Also aliased as: has_key?, member?, key?
key?(k) click to toggle source
Alias for: include?
member?(k) click to toggle source
Alias for: include?
merge(other) click to toggle source
# File lib/rack/utils.rb, line 479
def merge(other)
  hash = dup
  hash.merge! other
end
merge!(other) click to toggle source
# File lib/rack/utils.rb, line 474
def merge!(other)
  other.each { |k, v| self[k] = v }
  self
end
replace(other) click to toggle source
# File lib/rack/utils.rb, line 484
def replace(other)
  clear
  other.each { |k, v| self[k] = v }
  self
end
to_hash() click to toggle source
# File lib/rack/utils.rb, line 442
def to_hash
  hash = {}
  each { |k,v| hash[k] = v }
  hash
end

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