File indexing completed on 2024-04-21 15:08:20

 //
 // C++ Implementation: cexpresolver
 //
 // Description: Variable/function resolver for the expression parser.
 //
 /*
 Copyright 2006-2011 Tomas Mecir <kmuddy@kmuddy.com>
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License as
 published by the Free Software Foundation; either version 2 of 
 the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "cexpresolver.h"
 
 #include "cactionmanager.h"
 #include "cmacromanager.h"
 #include "cvariablelist.h"
 
 #include <KLocalizedString>
 
 cExpResolver::cExpResolver (int _sess)
 {
   sess = _sess;
 }
 
 cValue cExpResolver::get (QString varName)
 {
   // we have to request the list on every call, because we aren't notified
   // about disconnects/reconnects, so if we were to keep a pointer to
   // the variable list, we could easily end up with a wrong one
   cVariableList *vars = dynamic_cast<cVariableList *>(cActionManager::self()->object("variables", sess));
 
   cValue *val = nullptr;
   if (vars) val = vars->value(varName, queue);
   if (val) return *val;
   // can't retrieve value for some reason - return empty one
   return cValue::empty();
 }
 
 cValue cExpResolver::function_call (const QString &functionName, list<cValue> &arguments)
 {
   if (!cMacroManager::self()->functionExists (functionName)) {
     cActionManager::self()->invokeEvent ("message", sess,
         i18n ("Function %1 does not exist - assuming empty return value.", functionName));
     return cValue::empty();
   }
   return cMacroManager::self()->callFunction (functionName, arguments, sess, queue);
 }