add capability to remember page breaks generated by, e.g. pdftotext, and use them to start an external viewer on a match page

src/query/docseq.h

@@ -95,6 +95,11 @@ class DocSequence {
 	abs.push_back(doc.meta[Rcl::Doc::keyabs]);
 	return true;
     }
+    virtual int getFirstMatchPage(Rcl::Doc&) 
+    {
+	return -1;
+    }
+
     virtual bool getEnclosing(Rcl::Doc&, Rcl::Doc&) = 0;
 
     /** Get estimated total count in results */

src/query/docseqdb.cpp

@@ -74,10 +74,18 @@ bool DocSequenceDb::getAbstract(Rcl::Doc &doc, vector<string>& vabs)
     } 
     if (vabs.empty())
 	vabs.push_back(doc.meta[Rcl::Doc::keyabs]);
-
     return true;
 }
 
+int DocSequenceDb::getFirstMatchPage(Rcl::Doc &doc)
+{
+    setQuery();
+    if (m_q->whatDb()) {
+	return m_q->whatDb()->getFirstMatchPage(doc, m_q.getptr());
+    }
+    return -1;
+}
+
 bool DocSequenceDb::getEnclosing(Rcl::Doc& doc, Rcl::Doc& pdoc) 
 {
     setQuery();

src/query/docseqdb.h

@@ -32,6 +32,7 @@ class DocSequenceDb : public DocSequence {
     virtual int getResCnt();
     virtual void getTerms(HighlightData& hld);
     virtual bool getAbstract(Rcl::Doc &doc, vector<string>&);
+    virtual int getFirstMatchPage(Rcl::Doc&);
     virtual bool getEnclosing(Rcl::Doc& doc, Rcl::Doc& pdoc);
     virtual string getDescription();
     virtual list<string> expand(Rcl::Doc &doc);