Module: Zlib

Defined in:
lib/motion-bundler/mocks/zliby-0.0.5/zlib.rb

Defined Under Namespace

Classes: DataError, Error, GzipFile, GzipReader, Inflate, NeedDict, ZStream

Constant Summary collapse

ZLIBY_VERSION = 
"0.0.5"
ZLIB_VERSION = 
"1.2.3"
VERSION =

For compatibility with Ruby-core Zlib

"0.6.0"
MAXBITS = 
15
MAXLCODES = 
286
MAXDCODES = 
30
MAXCODES = 
(MAXLCODES+MAXDCODES)
FIXLCODES = 
288
MAX_WBITS = 
15
Z_DEFLATED = 
8

Class Method Summary collapse

Class Method Details

.adler32(string = "", adler = 1) ⇒ Object 



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# File 'lib/motion-bundler/mocks/zliby-0.0.5/zlib.rb', line 15

def self.adler32 string="", adler=1
  if adler > (2**128) - 1 then raise RangeError.new end
  accum1 = adler & 0xffff
  accum2 = (adler >> 16) & 0xffff

  len = string.length
  x = -1
  while len > 0
    tlen = len > 5552 ? 5552 : len
    len -= tlen
    while tlen >0
      x += 1
      accum1 += string[x]
      accum2 += accum1
      tlen -= 1
    end
    accum1 %= 65521
    accum2 %= 65521
  end
  accum2 << 16 | accum1
end

.crc32(string = "", crc = 0) ⇒ Object 



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# File 'lib/motion-bundler/mocks/zliby-0.0.5/zlib.rb', line 41

def self.crc32 string="", crc=0
  if crc > 2**128 - 1 then raise RangeError.new end
  crc = crc ^ 0xffffffff
  string.each_byte do |byte|
    index = (crc ^ byte) & 0xff
    crc = (crc >> 8) ^ crc_table[index]
  end
  crc ^ 0xffffffff
end

.crc_table ⇒ Object 



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# File 'lib/motion-bundler/mocks/zliby-0.0.5/zlib.rb', line 37

def self.crc_table
  [0, 1996959894, 3993919788, 2567524794, 124634137, 1886057615, 3915621685, 2657392035, 249268274, 2044508324, 3772115230, 2547177864, 162941995, 2125561021, 3887607047, 2428444049, 498536548, 1789927666, 4089016648, 2227061214, 450548861, 1843258603, 4107580753, 2211677639, 325883990, 1684777152, 4251122042, 2321926636, 335633487, 1661365465, 4195302755, 2366115317, 997073096, 1281953886, 3579855332, 2724688242, 1006888145, 1258607687, 3524101629, 2768942443, 901097722, 1119000684, 3686517206, 2898065728, 853044451, 1172266101, 3705015759, 2882616665, 651767980, 1373503546, 3369554304, 3218104598, 565507253, 1454621731, 3485111705, 3099436303, 671266974, 1594198024, 3322730930, 2970347812, 795835527, 1483230225, 3244367275, 3060149565, 1994146192, 31158534, 2563907772, 4023717930, 1907459465, 112637215, 2680153253, 3904427059, 2013776290, 251722036, 2517215374, 3775830040, 2137656763, 141376813, 2439277719, 3865271297, 1802195444, 476864866, 2238001368, 4066508878, 1812370925, 453092731, 2181625025, 4111451223, 1706088902, 314042704, 2344532202, 4240017532, 1658658271, 366619977, 2362670323, 4224994405, 1303535960, 984961486, 2747007092, 3569037538, 1256170817, 1037604311, 2765210733, 3554079995, 1131014506, 879679996, 2909243462, 3663771856, 1141124467, 855842277, 2852801631, 3708648649, 1342533948, 654459306, 3188396048, 3373015174, 1466479909, 544179635, 3110523913, 3462522015, 1591671054, 702138776, 2966460450, 3352799412, 1504918807, 783551873, 3082640443, 3233442989, 3988292384, 2596254646, 62317068, 1957810842, 3939845945, 2647816111, 81470997, 1943803523, 3814918930, 2489596804, 225274430, 2053790376, 3826175755, 2466906013, 167816743, 2097651377, 4027552580, 2265490386, 503444072, 1762050814, 4150417245, 2154129355, 426522225, 1852507879, 4275313526, 2312317920, 282753626, 1742555852, 4189708143, 2394877945, 397917763, 1622183637, 3604390888, 2714866558, 953729732, 1340076626, 3518719985, 2797360999, 1068828381, 1219638859, 3624741850, 2936675148, 906185462, 1090812512, 3747672003, 2825379669, 829329135, 1181335161, 3412177804, 3160834842, 628085408, 1382605366, 3423369109, 3138078467, 570562233, 1426400815, 3317316542, 2998733608, 733239954, 1555261956, 3268935591, 3050360625, 752459403, 1541320221, 2607071920, 3965973030, 1969922972, 40735498, 2617837225, 3943577151, 1913087877, 83908371, 2512341634, 3803740692, 2075208622, 213261112, 2463272603, 3855990285, 2094854071, 198958881, 2262029012, 4057260610, 1759359992, 534414190, 2176718541, 4139329115, 1873836001, 414664567, 2282248934, 4279200368, 1711684554, 285281116, 2405801727, 4167216745, 1634467795, 376229701, 2685067896, 3608007406, 1308918612, 956543938, 2808555105, 3495958263, 1231636301, 1047427035, 2932959818, 3654703836, 1088359270, 936918000, 2847714899, 3736837829, 1202900863, 817233897, 3183342108, 3401237130, 1404277552, 615818150, 3134207493, 3453421203, 1423857449, 601450431, 3009837614, 3294710456, 1567103746, 711928724, 3020668471, 3272380065, 1510334235, 755167117]
end