Class: Async::HTTP::Headers

Inherits:
Object
  • Object
show all
Defined in:
lib/async/http/headers.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(fields = []) ⇒ Headers

Returns a new instance of Headers.



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# File 'lib/async/http/headers.rb', line 24

def initialize(fields = [])
	@fields = fields
	@indexed = to_h
end

Instance Attribute Details

#fields ⇒ Object (readonly)

Returns the value of attribute fields.



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# File 'lib/async/http/headers.rb', line 29

def fields
  @fields
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/async/http/headers.rb', line 96

def == other
	if other.is_a? Hash
		to_h == other
	else
		@fields == other.fields
	end
end

#[](key) ⇒ Object 



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# File 'lib/async/http/headers.rb', line 76

def [] key
	@indexed ||= to_h
	
	@indexed[key]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/async/http/headers.rb', line 62

def []= key, value
	@fields << [key, value]
	
	if @indexed
		key = key.downcase
		
		if current_value = @indexed[key]
			@indexed[key] = Array(current_value) << value
		else
			@indexed[key] = value
		end
	end
end

#delete(key) ⇒ Object

Delete all headers with the given key, and return the value of the last one, if any.



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# File 'lib/async/http/headers.rb', line 48

def delete(key)
	values, @fields = @fields.partition do |field|
		field.first.downcase == key
	end
	
	if @indexed
		@indexed.delete(key)
	end
	
	if field = values.last
		return field.last
	end
end

#each(&block) ⇒ Object 



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# File 'lib/async/http/headers.rb', line 39

def each(&block)
	@fields.each(&block)
end

#freeze ⇒ Object 



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# File 'lib/async/http/headers.rb', line 31

def freeze
	return if frozen?
	
	@indexed = to_h
	
	super
end

#include?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/async/http/headers.rb', line 43

def include? key
	self[key] != nil
end

#to_h ⇒ Object 



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# File 'lib/async/http/headers.rb', line 82

def to_h
	@fields.inject({}) do |hash, (key, value)|
		key = key.downcase
		
		if current_value = hash[key]
			hash[key] = Array(current_value) << value
		else
			hash[key] = value
		end
		
		hash
	end
end