+ fix a memory leak (caused by a regression during the code refactoring)

src/common/kiwix/xapianIndexer.cpp

@@ -31,10 +31,14 @@ namespace kiwix {
     this->writableDatabase->begin_transaction(true);
   }
   
-  void XapianIndexer::indexNextArticle(string &url, string &title, string &unaccentedTitle,
-				       string &keywords, string &content) {
+  void XapianIndexer::indexNextArticle(const string &url, 
+				       const string &title, 
+				       const string &unaccentedTitle,
+				       const string &keywords, 
+				       const string &content) {
 
     /* Put the data in the document */
+    Xapian::Document currentDocument; 
     currentDocument.clear_values();
     currentDocument.add_value(0, title);
     currentDocument.set_data(url);
@@ -42,17 +46,17 @@ namespace kiwix {
 
     /* Index the title */
     if (!unaccentedTitle.empty()) {
-      indexer.index_text_without_positions(unaccentedTitle, 5);
+      this->indexer.index_text_without_positions(unaccentedTitle, content.size() / 500 + 1);
     }
     
     /* Index the keywords */
     if (!keywords.empty()) {
-      indexer.index_text_without_positions(keywords, 3);
+      this->indexer.index_text_without_positions(keywords, 3);
     }
     
     /* Index the content */
     if (!content.empty()) {
-      indexer.index_text_without_positions(content);
+      this->indexer.index_text_without_positions(content);
     }
     
     /* add to the database */

src/common/kiwix/xapianIndexer.h

@@ -1,17 +1,7 @@
 #ifndef KIWIX_XAPIAN_INDEXER_H
 #define KIWIX_XAPIAN_INDEXER_H
 
-#include <string>
-#include <vector>
-#include <fstream>
-#include <iostream>
-
 #include <xapian.h>
-#include <unaccent.h>
-#include <zim/file.h>
-#include <zim/article.h>
-#include <zim/fileiterator.h>
-#include "xapian/myhtmlparse.h"
 #include "indexer.h"
 
 using namespace std;
@@ -25,8 +15,11 @@ namespace kiwix {
     
   protected:
     void indexNextPercentPre();
-    void indexNextArticle(string &url, string &title, string &unaccentedTitle,
-			  string &keywords, string &content);
+    void indexNextArticle(const string &url, 
+			  const string &title, 
+			  const string &unaccentedTitle,
+			  const string &keywords, 
+			  const string &content);
     void indexNextPercentPost();
     void stopIndexing();
     
@@ -34,7 +27,6 @@ namespace kiwix {
     Xapian::Stem stemmer;
     Xapian::SimpleStopper stopper;
     Xapian::TermGenerator indexer;
-    Xapian::Document currentDocument;
   };
 
 }