Sha256: 4a5f43f3ff50d24b370246023f7af698f7e5e86b00d4f97675d0a6d380584423
Contents?: true
Size: 845 Bytes
Versions: 9
Compression:
Stored size: 845 Bytes
Contents
module FormatParser::IOUtils
class InvalidRead < ArgumentError
end
def safe_read(io, n)
if n.nil?
raise ArgumentError, "Unbounded reads are not supported"
end
buf = io.read(n)
if !buf
raise InvalidRead, "We wanted to read #{n} bytes from the IO, but the IO is at EOF"
end
if buf.bytesize != n
raise InvalidRead, "We wanted to read #{n} bytes from the IO, but we got #{buf.bytesize} instead"
end
buf
end
def safe_skip(io, n)
if n.nil?
raise ArgumentError, "Unbounded skips are not supported"
end
return if n == 0
if n < 0
raise InvalidRead, "Negative skips are not supported"
end
if io.respond_to?(:pos)
io.seek(io.pos + n)
else
safe_read(io, n)
end
nil
end
### TODO: Some kind of built-in offset for the read
end
Version data entries
9 entries across 9 versions & 1 rubygems