From fbeee6710e4132a921ea3c7de15799a8eb681e97 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Tue, 6 Dec 2011 12:03:03 +0100
Subject: Force split values with dot ('.') in the names into groups.

---
 server/src/luaquerymapper.cc | 46 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

(limited to 'server')

diff --git a/server/src/luaquerymapper.cc b/server/src/luaquerymapper.cc
index 27dc21f..56ea1e9 100644
--- a/server/src/luaquerymapper.cc
+++ b/server/src/luaquerymapper.cc
@@ -109,9 +109,53 @@ LUAQueryMapper::~LUAQueryMapper()
   if(L) lua_close(L);
 }
 
+static QueryResult splitgroups(QueryResult r)
+{
+  QueryResult result;
+
+  result.timestamp = r.timestamp;
+  result.source = r.source;
+
+  std::map< std::string, QueryResult >::iterator gi = r.groups.begin();
+  while(gi != r.groups.end()) {
+    QueryResult child = splitgroups(gi->second);
+    result.groups[gi->first] = child;
+    gi++;
+  }
+
+  std::map< std::string, std::string >::iterator vi = r.values.begin();
+  while(vi != r.values.end()) {
+    std::string name = vi->first;
+    
+    // Also insert in table with name containing '.'.
+    if(name.find(".") != std::string::npos) result.values[name] = vi->second;
+
+    QueryResult *ncurrent = &result;
+    while(name.find(".") != std::string::npos) {
+      DEBUG(splitgroups, "value name: %s\n", name.c_str());
+      QueryResult grp;
+      grp.timestamp = ncurrent->timestamp;
+      grp.source = ncurrent->source;
+      std::string grpname = name.substr(0, name.find("."));
+      ncurrent->groups[grpname] = grp;
+      ncurrent = &(ncurrent->groups[grpname]);
+      name = name.substr(name.find(".") + 1);
+    }
+    ncurrent->values[name] = vi->second;
+
+    vi++;
+  }
+  
+  return result;
+}
+
+
 void LUAQueryMapper::addQueryResult(QueryResult &result) throw(Exception)
 {
-  loadResult(L, result);
+  // Check for '.' in names and further split up into groups.
+  QueryResult splitted = splitgroups(result);
+
+  loadResult(L, splitted);
   clean_top = lua_gettop(L);
 }
 
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