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Mini Shell
Mini Shell
// Generated by CoffeeScript 1.10.0
(function() {
var Netmask, ip2long, long2ip;
long2ip = function(long) {
var a, b, c, d;
a = (long & (0xff << 24)) >>> 24;
b = (long & (0xff << 16)) >>> 16;
c = (long & (0xff << 8)) >>> 8;
d = long & 0xff;
return [a, b, c, d].join('.');
};
ip2long = function(ip) {
var b, byte, i, j, len;
b = (ip + '').split('.');
if (b.length === 0 || b.length > 4) {
throw new Error('Invalid IP');
}
for (i = j = 0, len = b.length; j < len; i = ++j) {
byte = b[i];
if (isNaN(parseInt(byte, 10))) {
throw new Error("Invalid byte: " + byte);
}
if (byte < 0 || byte > 255) {
throw new Error("Invalid byte: " + byte);
}
}
return ((b[0] || 0) << 24 | (b[1] || 0) << 16 | (b[2] || 0) << 8 | (b[3] || 0)) >>> 0;
};
Netmask = (function() {
function Netmask(net, mask) {
var error, error1, error2, i, j, ref;
if (typeof net !== 'string') {
throw new Error("Missing `net' parameter");
}
if (!mask) {
ref = net.split('/', 2), net = ref[0], mask = ref[1];
}
if (!mask) {
switch (net.split('.').length) {
case 1:
mask = 8;
break;
case 2:
mask = 16;
break;
case 3:
mask = 24;
break;
case 4:
mask = 32;
break;
default:
throw new Error("Invalid net address: " + net);
}
}
if (typeof mask === 'string' && mask.indexOf('.') > -1) {
try {
this.maskLong = ip2long(mask);
} catch (error1) {
error = error1;
throw new Error("Invalid mask: " + mask);
}
for (i = j = 32; j >= 0; i = --j) {
if (this.maskLong === (0xffffffff << (32 - i)) >>> 0) {
this.bitmask = i;
break;
}
}
} else if (mask) {
this.bitmask = parseInt(mask, 10);
this.maskLong = 0;
if (this.bitmask > 0) {
this.maskLong = (0xffffffff << (32 - this.bitmask)) >>> 0;
}
} else {
throw new Error("Invalid mask: empty");
}
try {
this.netLong = (ip2long(net) & this.maskLong) >>> 0;
} catch (error2) {
error = error2;
throw new Error("Invalid net address: " + net);
}
if (!(this.bitmask <= 32)) {
throw new Error("Invalid mask for ip4: " + mask);
}
this.size = Math.pow(2, 32 - this.bitmask);
this.base = long2ip(this.netLong);
this.mask = long2ip(this.maskLong);
this.hostmask = long2ip(~this.maskLong);
this.first = this.bitmask <= 30 ? long2ip(this.netLong + 1) : this.base;
this.last = this.bitmask <= 30 ? long2ip(this.netLong + this.size - 2) : long2ip(this.netLong + this.size - 1);
this.broadcast = this.bitmask <= 30 ? long2ip(this.netLong + this.size - 1) : void 0;
}
Netmask.prototype.contains = function(ip) {
if (typeof ip === 'string' && (ip.indexOf('/') > 0 || ip.split('.').length !== 4)) {
ip = new Netmask(ip);
}
if (ip instanceof Netmask) {
return this.contains(ip.base) && this.contains(ip.broadcast || ip.last);
} else {
return (ip2long(ip) & this.maskLong) >>> 0 === (this.netLong & this.maskLong) >>> 0;
}
};
Netmask.prototype.next = function(count) {
if (count == null) {
count = 1;
}
return new Netmask(long2ip(this.netLong + (this.size * count)), this.mask);
};
Netmask.prototype.forEach = function(fn) {
var index, j, k, len, long, range, ref, ref1, results, results1;
range = (function() {
results = [];
for (var j = ref = ip2long(this.first), ref1 = ip2long(this.last); ref <= ref1 ? j <= ref1 : j >= ref1; ref <= ref1 ? j++ : j--){ results.push(j); }
return results;
}).apply(this);
results1 = [];
for (index = k = 0, len = range.length; k < len; index = ++k) {
long = range[index];
results1.push(fn(long2ip(long), long, index));
}
return results1;
};
Netmask.prototype.toString = function() {
return this.base + "/" + this.bitmask;
};
return Netmask;
})();
exports.ip2long = ip2long;
exports.long2ip = long2ip;
exports.Netmask = Netmask;
}).call(this);
Zerion Mini Shell 1.0