class Rack::Utils::HeaderHash
A case-insensitive Hash that preserves the original case of a header when set.
Public Class Methods
new(hash={})
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Calls superclass method
# File lib/rack/utils.rb, line 435 def self.new(hash={}) HeaderHash === hash ? hash : super(hash) end
new(hash={})
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Calls superclass method
# File lib/rack/utils.rb, line 439 def initialize(hash={}) super() @names = {} hash.each { |k, v| self[k] = v } end
Public Instance Methods
[](k)
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Calls superclass method
# File lib/rack/utils.rb, line 463 def [](k) super(k) || super(@names[k.downcase]) end
[]=(k, v)
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Calls superclass method
# File lib/rack/utils.rb, line 467 def []=(k, v) canonical = k.downcase.freeze delete k if @names[canonical] && @names[canonical] != k # .delete is expensive, don't invoke it unless necessary @names[canonical] = k super k, v end
delete(k)
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Calls superclass method
# File lib/rack/utils.rb, line 474 def delete(k) canonical = k.downcase result = super @names.delete(canonical) result end
each() { |k, respond_to?(:to_ary) ? to_ary.join("\n") : v| ... }
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Calls superclass method
# File lib/rack/utils.rb, line 451 def each super do |k, v| yield(k, v.respond_to?(:to_ary) ? v.to_ary.join("\n") : v) end end
include?(k)
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Calls superclass method
# File lib/rack/utils.rb, line 480 def include?(k) super || @names.include?(k.downcase) end
initialize_copy(other)
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on dup/clone, we need to duplicate @names hash
Calls superclass method
# File lib/rack/utils.rb, line 446 def initialize_copy(other) super @names = other.names.dup end
merge(other)
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# File lib/rack/utils.rb, line 493 def merge(other) hash = dup hash.merge! other end
merge!(other)
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# File lib/rack/utils.rb, line 488 def merge!(other) other.each { |k, v| self[k] = v } self end
replace(other)
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# File lib/rack/utils.rb, line 498 def replace(other) clear other.each { |k, v| self[k] = v } self end
to_hash()
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# File lib/rack/utils.rb, line 457 def to_hash hash = {} each { |k,v| hash[k] = v } hash end
Protected Instance Methods
names()
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# File lib/rack/utils.rb, line 505 def names @names end