Sha256: a9fdc7ee7b2c243fad1ef15eee35412c3022006d0e036b69e82546e8fa3a1a44
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Size: 1.03 KB
Versions: 8
Compression:
Stored size: 1.03 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
end # UCharPointer
end # ICU
Version data entries
8 entries across 8 versions & 1 rubygems