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Contents
module Protobuf
module Rpc
class Buffer
attr_accessor :mode, :data, :size
MODES = [:read, :write]
# constantize this so we don't re-initialize the regex every time we need it
SIZE_REGEX = /^\d+-/
def initialize(mode = :read)
@flush = false
@data = ""
@size = 0
self.mode = mode
end
def mode=(mode)
if MODES.include?(mode)
@mode = mode
else
@mode = :read
end
end
def write(force_mode = true)
if force_mode && reading?
self.mode = :write
elsif !force_mode && reading?
fail 'You chose to write the buffer when in read mode'
end
@size = @data.length
"#{@size}-#{@data}"
end
def <<(data)
@data << data
if reading?
get_data_size
check_for_flush
end
end
def set_data(data) # rubocop:disable Style/AccessorMethodName
@data = data.to_s
@size = @data.size
end
def reading?
mode == :read
end
def writing?
mode == :write
end
def flushed?
@flush
end
def get_data_size # rubocop:disable Style/AccessorMethodName
if @size == 0 || @data.match(SIZE_REGEX)
sliced_size = @data.slice!(SIZE_REGEX)
@size = sliced_size.delete('-').to_i unless sliced_size.nil?
end
end
private
def check_for_flush
@flush = true if !@size.nil? && @data.length == @size
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems