Sha256: 723188149575af8261defb05c1b2512f5b34724fd7d92b432482a0e7e8684916
Contents?: true
Size: 1.36 KB
Versions: 51
Compression:
Stored size: 1.36 KB
Contents
// Generated by CoffeeScript 1.7.1
var CRC, hex;
hex = require('./hex');
module.exports = CRC = (function() {
CRC.prototype.INIT_CRC = 0x00;
CRC.prototype.XOR_MASK = 0x00;
CRC.prototype.WIDTH = 0;
CRC.prototype.pack = function(crc) {
return '';
};
CRC.prototype.each_byte = function(buf, cb) {
var i, _i, _ref, _results;
if (!Buffer.isBuffer(buf)) {
buf = Buffer(buf);
}
_results = [];
for (i = _i = 0, _ref = buf.length - 1; 0 <= _ref ? _i <= _ref : _i >= _ref; i = 0 <= _ref ? ++_i : --_i) {
_results.push(cb(buf[i]));
}
return _results;
};
function CRC() {
this.crc = this.INIT_CRC;
}
CRC.prototype.digest_length = function() {
return Math.ceil(this.WIDTH / 8.0);
};
CRC.prototype.update = function(data) {};
CRC.prototype.reset = function() {
return this.crc = this.INIT_CRC;
};
CRC.prototype.checksum = function(signed) {
var sum;
if (signed == null) {
signed = true;
}
sum = this.crc ^ this.XOR_MASK;
if (signed) {
sum = sum >>> 0;
}
return sum;
};
CRC.prototype.finish = function() {
return this.pack(this.checksum());
};
CRC.prototype.hexdigest = function(value) {
var result;
if (value != null) {
this.update(value);
}
result = this.finish();
this.reset();
return result;
};
return CRC;
})();
Version data entries
51 entries across 17 versions & 2 rubygems