Demo for query storing
Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/websocket-extensions/lib/parser.js b/node_modules/websocket-extensions/lib/parser.js
new file mode 100644
index 0000000..533767e
--- /dev/null
+++ b/node_modules/websocket-extensions/lib/parser.js
@@ -0,0 +1,103 @@
+'use strict';
+
+var TOKEN = /([!#\$%&'\*\+\-\.\^_`\|~0-9A-Za-z]+)/,
+ NOTOKEN = /([^!#\$%&'\*\+\-\.\^_`\|~0-9A-Za-z])/g,
+ QUOTED = /"((?:\\[\x00-\x7f]|[^\x00-\x08\x0a-\x1f\x7f"\\])*)"/,
+ PARAM = new RegExp(TOKEN.source + '(?:=(?:' + TOKEN.source + '|' + QUOTED.source + '))?'),
+ EXT = new RegExp(TOKEN.source + '(?: *; *' + PARAM.source + ')*', 'g'),
+ EXT_LIST = new RegExp('^' + EXT.source + '(?: *, *' + EXT.source + ')*$'),
+ NUMBER = /^-?(0|[1-9][0-9]*)(\.[0-9]+)?$/;
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+var Parser = {
+ parseHeader: function(header) {
+ var offers = new Offers();
+ if (header === '' || header === undefined) return offers;
+
+ if (!EXT_LIST.test(header))
+ throw new SyntaxError('Invalid Sec-WebSocket-Extensions header: ' + header);
+
+ var values = header.match(EXT);
+
+ values.forEach(function(value) {
+ var params = value.match(new RegExp(PARAM.source, 'g')),
+ name = params.shift(),
+ offer = {};
+
+ params.forEach(function(param) {
+ var args = param.match(PARAM), key = args[1], data;
+
+ if (args[2] !== undefined) {
+ data = args[2];
+ } else if (args[3] !== undefined) {
+ data = args[3].replace(/\\/g, '');
+ } else {
+ data = true;
+ }
+ if (NUMBER.test(data)) data = parseFloat(data);
+
+ if (hasOwnProperty.call(offer, key)) {
+ offer[key] = [].concat(offer[key]);
+ offer[key].push(data);
+ } else {
+ offer[key] = data;
+ }
+ }, this);
+ offers.push(name, offer);
+ }, this);
+
+ return offers;
+ },
+
+ serializeParams: function(name, params) {
+ var values = [];
+
+ var print = function(key, value) {
+ if (value instanceof Array) {
+ value.forEach(function(v) { print(key, v) });
+ } else if (value === true) {
+ values.push(key);
+ } else if (typeof value === 'number') {
+ values.push(key + '=' + value);
+ } else if (NOTOKEN.test(value)) {
+ values.push(key + '="' + value.replace(/"/g, '\\"') + '"');
+ } else {
+ values.push(key + '=' + value);
+ }
+ };
+
+ for (var key in params) print(key, params[key]);
+
+ return [name].concat(values).join('; ');
+ }
+};
+
+var Offers = function() {
+ this._byName = {};
+ this._inOrder = [];
+};
+
+Offers.prototype.push = function(name, params) {
+ if (!hasOwnProperty.call(this._byName, name))
+ this._byName[name] = [];
+
+ this._byName[name].push(params);
+ this._inOrder.push({ name: name, params: params });
+};
+
+Offers.prototype.eachOffer = function(callback, context) {
+ var list = this._inOrder;
+ for (var i = 0, n = list.length; i < n; i++)
+ callback.call(context, list[i].name, list[i].params);
+};
+
+Offers.prototype.byName = function(name) {
+ return this._byName[name] || [];
+};
+
+Offers.prototype.toArray = function() {
+ return this._inOrder.slice();
+};
+
+module.exports = Parser;