Add a method to write extractor meta data for the new script extractors

Needed by KItinerary Workbench.

src/lib/engine/extractorrepository.cpp

@@ -434,3 +434,29 @@ QJsonValue ExtractorRepository::extractorToJson(const Extractor &extractor) cons
     }
     return a;
 }
+
+QJsonValue ExtractorRepository::extractorToJson(const ScriptExtractor *extractor) const
+{
+    QJsonArray a;
+    bool added = false;
+    for (const auto &ext : d->m_extractorsNew) {
+        auto e = dynamic_cast<ScriptExtractor*>(ext.get());
+        if (!e || e->fileName() != extractor->fileName()) {
+            continue;
+        }
+        if (extractor->name() == e->name()) {
+            a.push_back(extractor->toJson());
+            added = true;
+        } else {
+            a.push_back(e->toJson());
+        }
+    }
+    if (!added) {
+        a.push_back(extractor->toJson());
+    }
+
+    if (a.size() == 1) {
+        return a.at(0);
+    }
+    return a;
+}

src/lib/engine/extractorrepository.h

@@ -36,6 +36,7 @@ class AbstractExtractor;
 class Extractor;
 class ExtractorDocumentNode;
 class ExtractorRepositoryPrivate;
+class ScriptExtractor;
 
 /**
  *  Collection of all known data extractors.
@@ -93,6 +94,7 @@ public:
      *  Only for tooling, do not use otherwise.
      */
     QJsonValue extractorToJson(const Extractor &extractor) const;
+    QJsonValue extractorToJson(const ScriptExtractor *extractor) const;
     ///@endcond
 
 private: