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# 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 'zlib'
require_relative 'deflate'
module Protocol
module HTTP
module Body
class Inflate < ZStream
def self.for(body, encoding = GZIP)
self.new(body, Zlib::Inflate.new(encoding))
end
def stream?
false
end
def read
return if @stream.finished?
# The stream might have been closed while waiting for the chunk to come in.
if chunk = super
@input_length += chunk.bytesize
# It's possible this triggers the stream to finish.
chunk = @stream.inflate(chunk)
@output_length += chunk.bytesize
elsif !@stream.closed?
chunk = @stream.finish
@output_length += chunk.bytesize
end
if chunk.empty? and @stream.finished?
return nil
end
return chunk
end
end
end
end
end
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