// Generated by CoffeeScript 1.12.7
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(function() {
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var array_intersection, crypto, escapable, lookup, unroll_lookup;
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crypto = require('crypto');
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exports.array_intersection = array_intersection = function(arr_a, arr_b) {
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var a, j, len, r;
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r = [];
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for (j = 0, len = arr_a.length; j < len; j++) {
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a = arr_a[j];
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if (arr_b.indexOf(a) !== -1) {
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r.push(a);
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}
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}
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return r;
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};
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exports.escape_selected = function(str, chars) {
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var c, i, j, l, len, map, parts, r, ref, v;
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map = {};
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chars = '%' + chars;
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for (j = 0, len = chars.length; j < len; j++) {
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c = chars[j];
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map[c] = escape(c);
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}
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r = new RegExp('([' + chars + '])');
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parts = str.split(r);
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for (i = l = 0, ref = parts.length; 0 <= ref ? l < ref : l > ref; i = 0 <= ref ? ++l : --l) {
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v = parts[i];
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if (v.length === 1 && v in map) {
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parts[i] = map[v];
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}
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}
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return parts.join('');
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};
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exports.buffer_concat = function(buf_a, buf_b) {
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var dst;
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dst = new Buffer(buf_a.length + buf_b.length);
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buf_a.copy(dst);
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buf_b.copy(dst, buf_a.length);
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return dst;
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};
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exports.md5_hex = function(data) {
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return crypto.createHash('md5').update(data).digest('hex');
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};
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exports.sha1_base64 = function(data) {
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return crypto.createHash('sha1').update(data).digest('base64');
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};
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exports.timeout_chain = function(arr) {
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var fun, ref, timeout, user_fun;
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arr = arr.slice(0);
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if (!arr.length) {
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return;
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}
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ref = arr.shift(), timeout = ref[0], user_fun = ref[1];
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fun = (function(_this) {
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return function() {
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user_fun();
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return exports.timeout_chain(arr);
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};
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})(this);
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return setTimeout(fun, timeout);
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};
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exports.objectExtend = function(dst, src) {
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var k;
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for (k in src) {
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if (src.hasOwnProperty(k)) {
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dst[k] = src[k];
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}
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}
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return dst;
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};
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exports.overshadowListeners = function(ee, event, handler) {
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var new_handler, old_listeners;
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old_listeners = ee.listeners(event).slice(0);
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ee.removeAllListeners(event);
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new_handler = function() {
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var j, len, listener;
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if (handler.apply(this, arguments) !== true) {
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for (j = 0, len = old_listeners.length; j < len; j++) {
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listener = old_listeners[j];
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listener.apply(this, arguments);
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}
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return false;
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}
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return true;
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};
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return ee.addListener(event, new_handler);
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};
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escapable = /[\x00-\x1f\ud800-\udfff\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufff0-\uffff]/g;
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unroll_lookup = function(escapable) {
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var c, i, unrolled;
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unrolled = {};
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c = (function() {
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var j, results;
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results = [];
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for (i = j = 0; j < 65536; i = ++j) {
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results.push(String.fromCharCode(i));
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}
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return results;
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})();
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escapable.lastIndex = 0;
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c.join('').replace(escapable, function(a) {
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return unrolled[a] = '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
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});
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return unrolled;
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};
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lookup = unroll_lookup(escapable);
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exports.quote = function(string) {
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var quoted;
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quoted = JSON.stringify(string);
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escapable.lastIndex = 0;
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if (!escapable.test(quoted)) {
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return quoted;
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}
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return quoted.replace(escapable, function(a) {
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return lookup[a];
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});
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};
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exports.parseCookie = function(cookie_header) {
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var cookie, cookies, j, len, parts, ref;
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cookies = {};
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if (cookie_header) {
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ref = cookie_header.split(';');
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for (j = 0, len = ref.length; j < len; j++) {
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cookie = ref[j];
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parts = cookie.split('=');
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cookies[parts[0].trim()] = (parts[1] || '').trim();
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}
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}
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return cookies;
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};
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exports.random32 = function() {
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var foo, v;
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foo = crypto.randomBytes(4);
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v = [foo[0], foo[1], foo[2], foo[3]];
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return v[0] + (v[1] * 256) + (v[2] * 256 * 256) + (v[3] * 256 * 256 * 256);
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};
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}).call(this);
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