Documentation

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diff --git a/include/tgbot/EventHandler.h b/include/tgbot/EventHandler.h
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+/*
+ * Copyright (c) 2015 Oleg Morozenkov
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef TGBOT_EVENTHANDLER_H
+#define TGBOT_EVENTHANDLER_H
+
+#include "tgbot/EventBroadcaster.h"
+#include "tgbot/types/Update.h"
+#include "tgbot/tools/StringTools.h"
+
+namespace TgBot {
+
+class EventHandler {
+
+public:
+    explicit EventHandler(const EventBroadcaster* broadcaster) : _broadcaster(broadcaster) {
+    }
+
+    inline void handleUpdate(const Update::Ptr& update) const {
+        _broadcaster->broadcastAnyMessage(update->message);
+        if (StringTools::startsWith(update->message->text, "/")) {
+            std::string command = update->message->text.substr(1, update->message->text.find(' ') - 2);
+            if (!_broadcaster->broadcastCommand(command, update->message)) {
+                _broadcaster->broadcastUnknownCommand(update->message);
+            }
+        } else {
+            _broadcaster->broadcastNonCommandMessage(update->message);
+        }
+    }
+
+private:
+    const EventBroadcaster* _broadcaster;
+};
+
+}
+
+#endif //TGBOT_EVENTHANDLER_H