Detect doc source snippets capability

src/query/docseq.h

@@ -113,8 +113,16 @@ class DocSequence {
     virtual int getResCnt() = 0;
 
     /** Get title for result list */
-    virtual std::string title() {return m_title;}
+    virtual std::string title() 
+    {
+	return m_title;
+    }
 
+    /** Can do snippets ? */
+    virtual bool snippetsCapable()
+    {
+	return false;
+    }
     /** Get description for underlying query */
     virtual std::string getDescription() = 0;
 
@@ -171,6 +179,13 @@ public:
 	    return false;
 	return m_seq->getAbstract(doc, abs);
     }
+
+    virtual bool snippetsCapable()
+    {
+	if (m_seq.isNull())
+	    return false;
+	return m_seq->snippetsCapable();
+    }
     virtual std::string getDescription() 
     {
 	if (m_seq.isNull())

src/query/docseqdb.h

@@ -50,6 +50,11 @@ class DocSequenceDb : public DocSequence {
         m_queryBuildAbstract = qba;
         m_queryReplaceAbstract = qra;
     }
+
+    virtual bool snippetsCapable()
+    {
+	return true;
+    }
     virtual string title();
 
  private: