Sha256: a7eff0135dc4b454c990567cd5f2dbf2e0145864aaa7f48cf2059752b227629e
Contents?: true
Size: 1.08 KB
Versions: 6
Compression:
Stored size: 1.08 KB
Contents
module ICU
class UCharPointer < FFI::MemoryPointer
UCHAR_TYPE = :uint16 # not sure how platform-dependent this is..
TYPE_SIZE = FFI.type_size(UCHAR_TYPE)
def self.from_string(str, capacity = nil)
str = str.encode("UTF-8") if str.respond_to? :encode
chars = str.unpack("U*")
if capacity
if capacity < chars.size
raise ArgumentError, "capacity is too small for string of #{chars.size} UChars"
end
ptr = new capacity
else
ptr = new chars.size
end
ptr.write_array_of_uint16 chars
ptr
end
def initialize(size)
super UCHAR_TYPE, size
end
def resized_to(new_size)
raise "new_size must be larger than current size" if new_size < size
resized = self.class.new new_size
resized.put_bytes(0, get_bytes(0, size))
resized
end
def string(length = nil)
length ||= size / TYPE_SIZE
wstring = read_array_of_uint16(length)
wstring.pack("U*")
end
def length_in_uchars
size / type_size
end
end # UCharPointer
end # ICU
Version data entries
6 entries across 6 versions & 1 rubygems