Sha256: bf2ce8dfa345fbc50bb2af37cf66b2a1764da9b24ef858100feec123b9343e56
Contents?: true
Size: 698 Bytes
Versions: 12
Compression:
Stored size: 698 Bytes
Contents
require 'stringio'
module BerkeleyLibrary
module Util
module StringIOs
class << self
include StringIOs
end
# Returns the byte (**not** character) at the specified byte index
# in the specified `StringIO`.
#
# @param s [StringIO] the StringIO to search in
# @param i [Integer] the byte index
# @return [Integer, nil] the byte, or nil if the byte index is invalid.
def getbyte(s, i)
return if i >= s.size
return if s.size + i < 0
pos_orig = s.pos
begin
s.seek(i >= 0 ? i : s.size + i)
s.getbyte
ensure
s.seek(pos_orig)
end
end
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems