module TTFunk::Reader
Private Instance Methods
hexdump(string)
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For debugging purposes
# File lib/ttfunk/reader.rb, line 32 def hexdump(string) bytes = string.unpack('C*') bytes.each_with_index do |c, i| printf('%02X', c) if ((i + 1) % 16).zero? puts elsif ((i + 1) % 8).zero? print ' ' else print ' ' end end puts unless (bytes.length % 16).zero? end
io()
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# File lib/ttfunk/reader.rb, line 7 def io @file.contents end
parse_from(position) { |position| ... }
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# File lib/ttfunk/reader.rb, line 23 def parse_from(position) saved = io.pos io.pos = position result = yield position io.pos = saved result end
read(bytes, format)
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# File lib/ttfunk/reader.rb, line 11 def read(bytes, format) io.read(bytes).unpack(format) end
read_signed(count)
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# File lib/ttfunk/reader.rb, line 15 def read_signed(count) read(count * 2, 'n*').map { |i| to_signed(i) } end
to_signed(number)
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# File lib/ttfunk/reader.rb, line 19 def to_signed(number) number >= 0x8000 ? -((number ^ 0xFFFF) + 1) : number end