From 4ced9bee493ba31182c2050675c41a616775b5da Mon Sep 17 00:00:00 2001
From: Jean-Francois Dockes <jfd@recoll.org>
Date: Tue, 4 Oct 2011 08:04:17 +0200
Subject: [PATCH] add termDocCnt method

---
 src/rcldb/rcldb.cpp | 26 ++++++++++++++++++++++++++
 src/rcldb/rcldb.h   |  3 ++-
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/src/rcldb/rcldb.cpp b/src/rcldb/rcldb.cpp
index b42d205d..4c2c9445 100644
--- a/src/rcldb/rcldb.cpp
+++ b/src/rcldb/rcldb.cpp
@@ -754,6 +754,32 @@ int Db::docCnt()
     return res;
 }
 
+int Db::termDocCnt(const string& _term)
+{
+    int res = -1;
+    if (!m_ndb || !m_ndb->m_isopen)
+        return -1;
+
+    string term;
+    if (!unacmaybefold(_term, term, "UTF-8", true)) {
+	LOGINFO(("Db::termDocCnt: unac failed for [%s]\n", _term.c_str()));
+	return 0;
+    }
+
+    if (m_stops.hasStops() && m_stops.isStop(term)) {
+	LOGDEB1(("Db::termDocCnt [%s] in stop list\n", term.c_str()));
+	return 0;
+    }
+
+    XAPTRY(res = m_ndb->xdb().get_termfreq(term), m_ndb->xrdb, m_reason);
+
+    if (!m_reason.empty()) {
+        LOGERR(("Db::termDocCnt: got error: %s\n", m_reason.c_str()));
+        return -1;
+    }
+    return res;
+}
+
 bool Db::addQueryDb(const string &dir) 
 {
     LOGDEB(("Db::addQueryDb: ndb %p iswritable %d db [%s]\n", m_ndb,
diff --git a/src/rcldb/rcldb.h b/src/rcldb/rcldb.h
index dd1d7e97..559500e3 100644
--- a/src/rcldb/rcldb.h
+++ b/src/rcldb/rcldb.h
@@ -173,7 +173,8 @@ class Db {
 
     /** Return total docs in db */
     int  docCnt(); 
-
+    /** Return count of docs which have an occurrence of term */
+    int termDocCnt(const string& term);
     /** Add extra database for querying */
     bool addQueryDb(const string &dir);
     /** Remove extra database. if dir == "", remove all. */