src/CurlWikiGrabber.h

   1 #ifndef _CURL_WIKI_GRABBER_H
   2 #define _CURL_WIKI_GRABBER_H
   3
   4 #include <string>
   5 #include <curl/curl.h>
   6 #include "WalkerException.h"
   7 #include "Article.h"
   8
   9 //! Class responsible for grabbing the contents / links of an article
  10 class CurlWikiGrabber
  11 {
  12 public:
  13     //! Create a new instance.
  14     //! Might throw an exception, if curl intialization failed
  15     CurlWikiGrabber()
  16     {
  17         int error = curl_global_init(CURL_GLOBAL_ALL);
  18         if(error)
  19         {
  20             throw WalkerException("CURL init failed");
  21         }
  22     }
  23
  24     ~CurlWikiGrabber()
  25     {
  26         curl_global_cleanup();
  27     }
  28
  29     /*! given an URL, return an Article with its links
  30      * \returns an Article instance wiith title and links set.
  31      *          If title is empty, an error occurred.
  32      */
  33     Article grabUrl(std::string url);
  34 };
  35
  36 #endif // _CURL_WIKI_GRABBER_H