merge total remake

src/framework/luascript/luaobject.cpp

@@ -0,0 +1,47 @@
+#include "luaobject.h"
+#include "luainterface.h"
+
+LuaObject::LuaObject() : m_fieldsTableRef(-1)
+{
+}
+
+LuaObject::~LuaObject()
+{
+    luaReleaseFieldsTable();
+}
+
+void LuaObject::luaReleaseFieldsTable()
+{
+    if(m_fieldsTableRef != -1)
+        g_lua.unref(m_fieldsTableRef);
+}
+
+void LuaObject::luaSetField(const std::string& key)
+{
+    // create fields table on the fly
+    if(m_fieldsTableRef == -1) {
+        g_lua.newTable(); // create fields table
+        m_fieldsTableRef = g_lua.ref(); // save a reference for it
+    }
+
+    g_lua.getRef(m_fieldsTableRef); // push the table
+    g_lua.insert(-2); // move the value to the top
+    g_lua.setField(key); // set the field
+    g_lua.pop(); // pop the fields table
+}
+
+void LuaObject::luaGetField(const std::string& key)
+{
+    if(m_fieldsTableRef != -1) {
+        g_lua.getRef(m_fieldsTableRef); // push the obj's fields table
+        g_lua.getField(key); // push the field value
+        g_lua.remove(-2); // remove the table
+    } else {
+        g_lua.pushNil();
+    }
+}
+
+int LuaObject::getUseCount()
+{
+    return shared_from_this().use_count() - 1;
+}