registry: Create page URL on demand

This gives a significant performance boost for large docsets.

src/libs/registry/docset.cpp

@@ -288,9 +288,8 @@ QList<SearchResult> Docset::search(const QString &query, const CancellationToken
     while (m_db->next() && !token.isCanceled()) {
         results.append({m_db->value(0).toString(),
                         parseSymbolType(m_db->value(1).toString()),
-                        const_cast<Docset *>(this),
-                        createPageUrl(m_db->value(2).toString(), m_db->value(3).toString()),
-                        m_db->value(4).toInt()});
+                        m_db->value(2).toString(), m_db->value(3).toString(),
+                        const_cast<Docset *>(this), m_db->value(4).toInt()});
     }
 
     return results;
@@ -328,9 +327,8 @@ QList<SearchResult> Docset::relatedLinks(const QUrl &url) const
     while (m_db->next()) {
         results.append({m_db->value(0).toString(),
                         parseSymbolType(m_db->value(1).toString()),
-                        const_cast<Docset *>(this),
-                        createPageUrl(m_db->value(2).toString(), m_db->value(3).toString()),
-                        0});
+                        m_db->value(2).toString(), m_db->value(3).toString(),
+                        const_cast<Docset *>(this), 0});
     }
 
     if (results.size() == 1)
@@ -339,6 +337,11 @@ QList<SearchResult> Docset::relatedLinks(const QUrl &url) const
     return results;
 }
 
+QUrl Docset::searchResultUrl(const SearchResult &result) const
+{
+    return createPageUrl(result.urlPath, result.urlFragment);
+}
+
 void Docset::loadMetadata()
 {
     const QDir dir(m_path);

src/libs/registry/docset.h

@@ -69,6 +69,9 @@ public:
     QList<SearchResult> search(const QString &query, const CancellationToken &token) const;
     QList<SearchResult> relatedLinks(const QUrl &url) const;
 
+    // FIXME: This a temporary solution to create URL on demand.
+    QUrl searchResultUrl(const SearchResult &result) const;
+
     // FIXME: This is an ugly workaround before we have a proper docset sources implementation
     bool hasUpdate = false;
 
@@ -84,6 +87,7 @@ private:
     void loadSymbols(const QString &symbolType) const;
     void loadSymbols(const QString &symbolType, const QString &symbolString) const;
     void createIndex();
+    void createView();
     QUrl createPageUrl(const QString &path, const QString &fragment = QString()) const;
 
     static QString parseSymbolType(const QString &str);

src/libs/registry/searchmodel.cpp

@@ -62,7 +62,7 @@ QVariant SearchModel::data(const QModelIndex &index, int role) const
         return item->docset->icon();
 
     case ItemDataRole::UrlRole:
-        return item->url;
+        return item->docset->searchResultUrl(*item);
 
     default:
         return QVariant();

src/libs/registry/searchresult.h

@@ -37,9 +37,10 @@ struct SearchResult
     QString name;
     QString type;
 
-    Docset *docset;
+    QString urlPath;
+    QString urlFragment;
 
-    QUrl url;
+    Docset *docset;
 
     int score;