Add ESP8266WebServer library

libraries/ESP8266WebServer/src/ESP8266WebServer.h

@@ -0,0 +1,83 @@
+/* 
+  ESP8266WebServer.h - Dead simple web-server.
+  Supports only one simultaneous client, knows how to handle GET and POST.
+
+  Copyright (c) 2014 Ivan Grokhotkov. All rights reserved.
+ 
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+
+#ifndef ESP8266WEBSERVER_H
+#define ESP8266WEBSERVER_H
+
+#include <functional>
+
+enum HTTPMethod { HTTP_ANY, HTTP_GET, HTTP_POST };
+
+
+class ESP8266WebServer
+{
+public:
+
+	ESP8266WebServer(int port = 80);
+	~ESP8266WebServer();
+
+	void begin();
+	void handleClient();
+
+	typedef std::function<void(void)> THandlerFunction;
+	void on(const char* uri, THandlerFunction handler);
+	void on(const char* uri, HTTPMethod method, THandlerFunction fn);
+
+	String uri() { return _currentUri; }
+	HTTPMethod method() { return _currentMethod; }
+	WiFiClient client() { return _currentClient; }
+
+	// send response to the client
+	// code - HTTP response code, can be 200 or 404
+	// content_type - HTTP content type, like "text/plain" or "image/png"
+	// content - actual content body
+	void send(int code, const char* content_type = NULL, String content = String(""));
+
+	// get request argument value
+	String arg(const char* name);
+
+protected:
+	void _handleRequest(WiFiClient& client, String uri, HTTPMethod method);
+	void _parseArguments(String data);
+
+	struct RequestHandler;
+	struct RequestArgument {
+		String key;
+		String value;
+	};
+
+	WiFiServer 	_server;
+
+	WiFiClient 	_currentClient;
+	HTTPMethod 	_currentMethod;
+	String 		_currentUri;
+
+	size_t      _currentArgCount;
+	RequestArgument* _currentArgs;
+
+	RequestHandler* _firstHandler;
+	RequestHandler* _lastHandler;
+
+};
+
+
+#endif //ESP8266WEBSERVER_H