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Contents
# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2019-2023, by Samuel Williams.
require_relative 'readable'
module Protocol
module HTTP
module Body
class File < Readable
BLOCK_SIZE = 4096
MODE = ::File::RDONLY | ::File::BINARY
def self.open(path, *arguments, **options)
self.new(::File.open(path, MODE), *arguments, **options)
end
def initialize(file, range = nil, size: file.size, block_size: BLOCK_SIZE)
@file = file
@block_size = block_size
if range
@file.seek(range.min)
@offset = range.min
@length = @remaining = range.size
else
@offset = 0
@length = @remaining = size
end
end
def close(error = nil)
@file.close
@remaining = 0
super
end
attr :file
attr :offset
attr :length
def empty?
@remaining == 0
end
def ready?
true
end
def rewind
@file.seek(@offset)
@remaining = @length
end
def stream?
false
end
def read
if @remaining > 0
amount = [@remaining, @block_size].min
if chunk = @file.read(amount)
@remaining -= chunk.bytesize
return chunk
end
end
end
def join
return "" if @remaining == 0
buffer = @file.read(@remaining)
@remaining = 0
return buffer
end
def inspect
"\#<#{self.class} file=#{@file.inspect} offset=#{@offset} remaining=#{@remaining}>"
end
end
end
end
end
Version data entries
26 entries across 26 versions & 1 rubygems