Issue 5180 - introduce asynchronous web request

include/AdblockPlus/WebRequest.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus 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 General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef ADBLOCK_PLUS_WEB_REQUEST_H
 #define ADBLOCK_PLUS_WEB_REQUEST_H
 
-#include <memory>
-#include <stdint.h>
-#include <string>
-#include <vector>
+#include "IWebRequest.h"
 
 namespace AdblockPlus
 {
   /**
-   * List of HTTP headers.
-   */
-  typedef std::vector<std::pair<std::string, std::string> > HeaderList;
-
-  /**
-   * HTTP response.
-   */
-  struct ServerResponse
-  {
-    //@{
-    /**
-     * [Mozilla status code](https://developer.mozilla.org/en/docs/Table_Of_Errors#Network_Errors)
-     * indicating the network-level request status.
-     * This should be 0 (NS_OK) if the request succeeded. Note that this should
-     * be NS_OK if the server responded with an error code like "404 Not Found".
-     */
-#ifdef _WIN32
-    __int64 status;
-#else
-    int64_t status;
-#endif
-    //@}
-
-    /**
-     * List of response headers.
-     */
-    HeaderList responseHeaders;
-
-    /**
-     * HTTP status of the response (e.g.\ 404).
-     */
-    int responseStatus;
-
-    /**
-     * Body text of the response.
-     */
-    std::string responseText;
-  };
-
-  /**
    * Web request interface.
    */
   class WebRequest
   {
   public:
-    /**
-     * Possible [Mozilla status codes](https://developer.mozilla.org/en/docs/Table_Of_Errors#Network_Errors).
-     */
-    enum
-    {
-      NS_OK = 0,
-      NS_ERROR_FAILURE = 0x80004005,
-      NS_ERROR_OUT_OF_MEMORY = 0x8007000e,
-      NS_ERROR_MALFORMED_URI = 0x804b000a,
-      NS_ERROR_CONNECTION_REFUSED = 0x804b000d,
-      NS_ERROR_NET_TIMEOUT = 0x804b000e,
-      NS_ERROR_NO_CONTENT = 0x804b0011,
-      NS_ERROR_UNKNOWN_PROTOCOL = 0x804b0012,
-      NS_ERROR_NET_RESET = 0x804b0014,
-      NS_ERROR_UNKNOWN_HOST = 0x804b001e,
-      NS_ERROR_REDIRECT_LOOP = 0x804b001f,
-      NS_ERROR_UNKNOWN_PROXY_HOST = 0x804b002a,
-      NS_ERROR_NET_INTERRUPT = 0x804b0047,
-      NS_ERROR_UNKNOWN_PROXY_CONNECTION_REFUSED = 0x804b0048,
-      NS_CUSTOM_ERROR_BASE = 0x80850000,
-      NS_ERROR_NOT_INITIALIZED = 0xc1f30001
-    };
-
     virtual inline ~WebRequest() {};
 
     /**
      * Performs a GET request.
      * @param url Request URL.
      * @param requestHeaders Request headers.
      * @return HTTP response.
      */
     virtual ServerResponse GET(const std::string& url, const HeaderList& requestHeaders) const = 0;
   };
 
   /**
    * Shared smart pointer to a `WebRequest` instance.
    */
   typedef std::shared_ptr<WebRequest> WebRequestSharedPtr;
 }
 
 #endif