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Contents
# frozen_string_literal: true
require 'stringio'
module Aws
module Crt
# module for CRT Blob utility methods
# CRT encodes lists of strings as [length, str*]
# using null padded, unsigned long
module StringBlob
# Encode an array of strings into
# a buffer (blob)
# @param strings [Array<String>]
# @return buffer (Array<char>)
def self.encode(strings)
buffer = StringIO.new
strings.each do |s|
e = s.to_s.unpack('c*')
buffer << [e.length].pack('N')
buffer << (e).pack('c*')
end
buffer.string.unpack('c*')
end
# Decode a blob (StringBlob)/Buffer into
# an array of strings
# @param buffer - array of chars (buffer)
# @return strings
def self.decode(buffer)
strings = []
i = 0
while i < buffer.size
len = buffer[i, 4].pack('c*').unpack1('N')
strings << (buffer[i + 4, len].pack('c*'))
.force_encoding(Encoding::UTF_8)
i += len + 4
end
strings
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems