# frozen_string_literal: true

# Copyright, 2018, by Samuel G. D. Williams. <http://www.codeotaku.com>
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

require_relative 'readable'

module Protocol
	module HTTP
		module Body
			# Wrapping body instance. Typically you'd override `#read`.
			class Wrapper < Readable
				def self.wrap(message)
					if body = message.body
						message.body = self.new(body)
					end
				end
				
				def initialize(body)
					@body = body
				end
				
				# The wrapped body.
				attr :body
				
				# Buffer any remaining body.
				def finish
					@body.finish
				end
				
				def close(error = nil)
					@body.close(error)
					
					super
				end
				
				def empty?
					@body.empty?
				end
				
				def ready?
					@body.ready?
				end
				
				def length
					@body.length
				end
				
				# Read the next available chunk.
				def read
					@body.read
				end
				
				def inspect
					@body.inspect
				end
				
				def stream?
					@body.stream?
				end
				
				def call(stream)
					@body.call(stream)
				end
			end
		end
	end
end