Sha256: 9281821fd3f5ed941a84cd9f40da3024ef157132ee4f5386b0c457e556685eaf
Contents?: true
Size: 1.37 KB
Versions: 22
Compression:
Stored size: 1.37 KB
Contents
class String
# Standard in Ruby 1.9.3 See official documentation[http://ruby-doc.org/core-1.9.3/String.html#byteslice]
def byteslice(start, len = Backports::Undefined)
# Argument parsing & checking
if Backports::Undefined == len
if start.is_a?(Range)
range = start
start = Backports.coerce_to_int(range.begin)
start += bytesize if start < 0
last = Backports.coerce_to_int(range.end)
last += bytesize if last < 0
last += 1 unless range.exclude_end?
len = last - start
else
start = Backports.coerce_to_int(start)
start += bytesize if start < 0
len = 1
return if start >= bytesize
end
else
start = Backports.coerce_to_int(start)
start += bytesize if start < 0
len = Backports.coerce_to_int(len)
return if len < 0
end
return if start < 0 || start > bytesize
len = 0 if len < 0
# Actual implementation:
str = unpack("@#{start}a#{len}").first
str = dup.replace(str) unless self.instance_of?(String) # Must return subclass
str.force_encoding(encoding)
end unless method_defined? :byteslice
# Standard in Ruby 1.9.3 See official documentation[http://ruby-doc.org/core-1.9.3/String.html#method-i-prepend]
def prepend(other_str)
replace Backports.coerce_to_str(other_str) + self
self
end unless method_defined? :prepend
end
Version data entries
22 entries across 22 versions & 2 rubygems