// Generated by CoffeeScript 1.12.7
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(function() {
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var Netmask, atob, chr, chr0, chrA, chra, ip2long, long2ip;
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long2ip = function(long) {
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var a, b, c, d;
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a = (long & (0xff << 24)) >>> 24;
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b = (long & (0xff << 16)) >>> 16;
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c = (long & (0xff << 8)) >>> 8;
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d = long & 0xff;
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return [a, b, c, d].join('.');
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};
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ip2long = function(ip) {
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var b, c, i, j, n, ref;
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b = [];
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for (i = j = 0; j <= 3; i = ++j) {
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if (ip.length === 0) {
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break;
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}
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if (i > 0) {
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if (ip[0] !== '.') {
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throw new Error('Invalid IP');
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}
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ip = ip.substring(1);
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}
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ref = atob(ip), n = ref[0], c = ref[1];
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ip = ip.substring(c);
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b.push(n);
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}
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if (ip.length !== 0) {
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throw new Error('Invalid IP');
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}
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switch (b.length) {
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case 1:
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if (b[0] > 0xFFFFFFFF) {
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throw new Error('Invalid IP');
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}
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return b[0] >>> 0;
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case 2:
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if (b[0] > 0xFF || b[1] > 0xFFFFFF) {
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throw new Error('Invalid IP');
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}
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return (b[0] << 24 | b[1]) >>> 0;
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case 3:
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if (b[0] > 0xFF || b[1] > 0xFF || b[2] > 0xFFFF) {
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throw new Error('Invalid IP');
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}
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return (b[0] << 24 | b[1] << 16 | b[2]) >>> 0;
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case 4:
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if (b[0] > 0xFF || b[1] > 0xFF || b[2] > 0xFF || b[3] > 0xFF) {
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throw new Error('Invalid IP');
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}
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return (b[0] << 24 | b[1] << 16 | b[2] << 8 | b[3]) >>> 0;
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default:
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throw new Error('Invalid IP');
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}
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};
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chr = function(b) {
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return b.charCodeAt(0);
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};
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chr0 = chr('0');
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chra = chr('a');
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chrA = chr('A');
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atob = function(s) {
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var base, dmax, i, n, start;
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n = 0;
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base = 10;
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dmax = '9';
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i = 0;
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if (s.length > 1 && s[i] === '0') {
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if (s[i + 1] === 'x' || s[i + 1] === 'X') {
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i += 2;
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base = 16;
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} else if ('0' <= s[i + 1] && s[i + 1] <= '9') {
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i++;
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base = 8;
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dmax = '7';
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}
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}
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start = i;
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while (i < s.length) {
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if ('0' <= s[i] && s[i] <= dmax) {
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n = (n * base + (chr(s[i]) - chr0)) >>> 0;
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} else if (base === 16) {
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if ('a' <= s[i] && s[i] <= 'f') {
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n = (n * base + (10 + chr(s[i]) - chra)) >>> 0;
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} else if ('A' <= s[i] && s[i] <= 'F') {
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n = (n * base + (10 + chr(s[i]) - chrA)) >>> 0;
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} else {
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break;
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}
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} else {
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break;
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}
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if (n > 0xFFFFFFFF) {
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throw new Error('too large');
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}
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i++;
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}
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if (i === start) {
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throw new Error('empty octet');
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}
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return [n, i];
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};
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Netmask = (function() {
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function Netmask(net, mask) {
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var error, i, j, ref;
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if (typeof net !== 'string') {
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throw new Error("Missing `net' parameter");
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}
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if (!mask) {
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ref = net.split('/', 2), net = ref[0], mask = ref[1];
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}
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if (!mask) {
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mask = 32;
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}
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if (typeof mask === 'string' && mask.indexOf('.') > -1) {
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try {
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this.maskLong = ip2long(mask);
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} catch (error1) {
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error = error1;
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throw new Error("Invalid mask: " + mask);
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}
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for (i = j = 32; j >= 0; i = --j) {
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if (this.maskLong === (0xffffffff << (32 - i)) >>> 0) {
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this.bitmask = i;
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break;
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}
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}
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} else if (mask || mask === 0) {
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this.bitmask = parseInt(mask, 10);
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this.maskLong = 0;
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if (this.bitmask > 0) {
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this.maskLong = (0xffffffff << (32 - this.bitmask)) >>> 0;
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}
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} else {
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throw new Error("Invalid mask: empty");
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}
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try {
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this.netLong = (ip2long(net) & this.maskLong) >>> 0;
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} catch (error1) {
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error = error1;
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throw new Error("Invalid net address: " + net);
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}
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if (!(this.bitmask <= 32)) {
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throw new Error("Invalid mask for ip4: " + mask);
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}
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this.size = Math.pow(2, 32 - this.bitmask);
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this.base = long2ip(this.netLong);
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this.mask = long2ip(this.maskLong);
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this.hostmask = long2ip(~this.maskLong);
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this.first = this.bitmask <= 30 ? long2ip(this.netLong + 1) : this.base;
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this.last = this.bitmask <= 30 ? long2ip(this.netLong + this.size - 2) : long2ip(this.netLong + this.size - 1);
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this.broadcast = this.bitmask <= 30 ? long2ip(this.netLong + this.size - 1) : void 0;
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}
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Netmask.prototype.contains = function(ip) {
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if (typeof ip === 'string' && (ip.indexOf('/') > 0 || ip.split('.').length !== 4)) {
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ip = new Netmask(ip);
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}
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if (ip instanceof Netmask) {
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return this.contains(ip.base) && this.contains(ip.broadcast || ip.last);
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} else {
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return (ip2long(ip) & this.maskLong) >>> 0 === (this.netLong & this.maskLong) >>> 0;
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}
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};
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Netmask.prototype.next = function(count) {
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if (count == null) {
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count = 1;
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}
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return new Netmask(long2ip(this.netLong + (this.size * count)), this.mask);
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};
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Netmask.prototype.forEach = function(fn) {
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var index, lastLong, long;
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long = ip2long(this.first);
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lastLong = ip2long(this.last);
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index = 0;
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while (long <= lastLong) {
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fn(long2ip(long), long, index);
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index++;
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long++;
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}
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};
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Netmask.prototype.toString = function() {
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return this.base + "/" + this.bitmask;
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};
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return Netmask;
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})();
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exports.ip2long = ip2long;
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exports.long2ip = long2ip;
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exports.Netmask = Netmask;
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}).call(this);
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