workspace/plasma/scriptengines/javascript/bind_dataengine.h

   1 /*
   2  *   Copyright 2007 Richard J. Moore <rich@kde.org>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License version 2 as
   6  *   published by the Free Software Foundation
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details
  12  *
  13  *   You should have received a copy of the GNU Library General Public
  14  *   License along with this program; if not, write to the
  15  *   Free Software Foundation, Inc.,
  16  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 #ifndef BIND_DATAENGINE_H
  20 #define BIND_DATAENGINE_H
  21
  22 #include <QtScript/QtScript>
  23 #include <KDebug>
  24
  25 #include <Plasma/DataEngine>
  26 #include <Plasma/Service>
  27 #include <Plasma/ServiceJob>
  28
  29 using namespace Plasma;
  30
  31 Q_DECLARE_METATYPE(DataEngine*)
  32 Q_DECLARE_METATYPE(Service*)
  33 Q_DECLARE_METATYPE(ServiceJob*)
  34 Q_DECLARE_METATYPE(QVariant)
  35 Q_DECLARE_METATYPE(DataEngine::Dict)
  36 Q_DECLARE_METATYPE(DataEngine::Data)
  37
  38
  39 template <class M>
  40 QScriptValue qScriptValueFromMap(QScriptEngine *eng, const M &map)
  41 {
  42     kDebug() << "qScriptValueFromMap called";
  43
  44     QScriptValue obj = eng->newObject();
  45     typename M::const_iterator begin = map.constBegin();
  46     typename M::const_iterator end = map.constEnd();
  47     typename M::const_iterator it;
  48     for (it = begin; it != end; ++it)
  49         obj.setProperty(it.key(), qScriptValueFromValue(eng, it.value()));
  50     return obj;
  51 }
  52
  53 template <class M>
  54 void qScriptValueToMap(const QScriptValue &value, M &map)
  55 {
  56     QScriptValueIterator it(value);
  57     while (it.hasNext()) {
  58         it.next();
  59         map[it.name()] = qscriptvalue_cast<typename M::mapped_type>(it.value());
  60     }
  61 }
  62
  63 template<typename T>
  64 int qScriptRegisterMapMetaType(
  65     QScriptEngine *engine,
  66     const QScriptValue &prototype = QScriptValue()
  67 #ifndef qdoc
  68     , T * /* dummy */ = 0
  69 #endif
  70 )
  71 {
  72     return qScriptRegisterMetaType<T>(engine, qScriptValueFromMap,
  73                                       qScriptValueToMap, prototype);
  74 }
  75
  76 #endif // BIND_DATAENGINE_H
  77