lepu-test-platform-web/node_modules/sockjs/lib/utils.js

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