Readd a `SearchRenderer` constructor without `Library` argument.

Adding the library argument breaks the API. It is better to add
another constructor to not have to create another major version.

include/search_renderer.h

@@ -49,10 +49,24 @@ class SearchRenderer
   /**
    * Construct a SearchRenderer from a SearchResultSet.
    *
+   * The constructed version of the SearchRendered will not introduce
+   * the book name for each result. It is better to use the another constructor
+   * with a Library pointer to have a better html page.
+   *
    * @param srs The `SearchResultSet` to render.
    * @param mapper The `NameMapper` to use to do the rendering.
-   * @param library The `Library` to use to look up book details for search
-   *        results
+   * @param start The start offset used for the srs.
+   * @param estimatedResultCount The estimatedResultCount of the whole search
+   */
+  SearchRenderer(zim::SearchResultSet srs, NameMapper* mapper,
+                 unsigned int start, unsigned int estimatedResultCount);
+
+  /**
+   * Construct a SearchRenderer from a SearchResultSet.
+   *
+   * @param srs The `SearchResultSet` to render.
+   * @param mapper The `NameMapper` to use to do the rendering.
+   * @param library The `Library` to use to look up book details for search results.
    * @param start The start offset used for the srs.
    * @param estimatedResultCount The estimatedResultCount of the whole search
    */

src/search_renderer.cpp

@@ -47,6 +47,11 @@ SearchRenderer::SearchRenderer(Searcher* searcher, NameMapper* mapper)
       resultStart(searcher->getResultStart())
 {}
 
+SearchRenderer::SearchRenderer(zim::SearchResultSet srs, NameMapper* mapper,
+                      unsigned int start, unsigned int estimatedResultCount)
+    : SearchRenderer(srs, mapper, nullptr, start, estimatedResultCount)
+{}
+
 SearchRenderer::SearchRenderer(zim::SearchResultSet srs, NameMapper* mapper, Library* library,
                       unsigned int start, unsigned int estimatedResultCount)
     : m_srs(srs),