examples/script/marshal/main.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/script/marshal/main.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore>
+#include <QtScript>
+
+template <class Container>
+QScriptValue toScriptValue(QScriptEngine *eng, const Container &cont)
+{
+    QScriptValue a = eng->newArray();
+    typename Container::const_iterator begin = cont.begin();
+    typename Container::const_iterator end = cont.end();
+    typename Container::const_iterator it;
+    for (it = begin; it != end; ++it)
+        a.setProperty(quint32(it - begin), qScriptValueFromValue(eng, *it));
+    return a;
+}
+
+template <class Container>
+void fromScriptValue(const QScriptValue &value, Container &cont)
+{
+    quint32 len = value.property("length").toUInt32();
+    for (quint32 i = 0; i < len; ++i) {
+        QScriptValue item = value.property(i);
+        typedef typename Container::value_type ContainerValue;
+        cont.push_back(qscriptvalue_cast<ContainerValue>(item));
+    }
+}
+
+typedef QVector<int> IntVector;
+typedef QVector<QString> StringVector;
+
+Q_DECLARE_METATYPE(IntVector)
+Q_DECLARE_METATYPE(StringVector)
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication app(argc, argv);
+
+    QScriptEngine eng;
+    // register our custom types
+    qScriptRegisterMetaType<IntVector>(&eng, toScriptValue, fromScriptValue);
+    qScriptRegisterMetaType<StringVector>(&eng, toScriptValue, fromScriptValue);
+
+    QScriptValue val = eng.evaluate("[1, 4, 7, 11, 50, 3, 19, 60]");
+
+    fprintf(stdout, "Script array: %s\n", qPrintable(val.toString()));
+
+    IntVector iv = qscriptvalue_cast<IntVector>(val);
+
+    fprintf(stdout, "qscriptvalue_cast to QVector<int>: ");
+    for (int i = 0; i < iv.size(); ++i)
+        fprintf(stdout, "%s%d", (i > 0) ? "," : "", iv.at(i));
+    fprintf(stdout, "\n");
+
+    val = eng.evaluate("[9, 'foo', 46.5, 'bar', 'Qt', 555, 'hello']");
+
+    fprintf(stdout, "Script array: %s\n", qPrintable(val.toString()));
+
+    StringVector sv = qscriptvalue_cast<StringVector>(val);
+
+    fprintf(stdout, "qscriptvalue_cast to QVector<QString>: ");
+    for (int i = 0; i < sv.size(); ++i)
+        fprintf(stdout, "%s%s", (i > 0) ? "," : "", qPrintable(sv.at(i)));
+    fprintf(stdout, "\n");
+
+    return 0;
+}