1 files changed, 139 insertions, 0 deletions
diff --git a/src/lib/tools/scripttools.cpp b/src/lib/tools/scripttools.cpp
new file mode 100644
index 000000000..e2fe36ea9
--- /dev/null
+++ b/src/lib/tools/scripttools.cpp
@@ -0,0 +1,139 @@
+/**************************************************************************
+**
+** This file is part of the Qt Build Suite
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file.
+** Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**************************************************************************/
+
+#include "scripttools.h"
+#include <QtScript/QScriptEngine>
+#include <QtScript/QScriptValueIterator>
+#include <QDebug>
+
+QT_BEGIN_NAMESPACE
+
+QDataStream &operator<< (QDataStream &s, const QScriptProgram &script)
+{
+    s << script.sourceCode()
+      << script.fileName()
+      << script.firstLineNumber();
+    return s;
+}
+
+QDataStream &operator>> (QDataStream &s, QScriptProgram &script)
+{
+    QString fileName, sourceCode;
+    int lineNumber;
+    s >> sourceCode
+      >> fileName
+      >> lineNumber;
+    script = QScriptProgram(sourceCode, fileName, lineNumber);
+    return s;
+}
+
+QT_END_NAMESPACE
+
+namespace qbs {
+
+static const bool debugJSImports = false;
+
+void addJSImport(QScriptEngine *engine,
+                 const QScriptValue &targetObject,
+                 const QString &id)
+{
+    if (debugJSImports)
+        qDebug() << "addJSImport (cached): " << id;
+    engine->globalObject().setProperty(id, targetObject);
+}
+
+QScriptValue addJSImport(QScriptEngine *engine,
+                         const QScriptProgram &program,
+                         const QString &id)
+{
+    if (debugJSImports)
+        qDebug() << "addJSImport: " << id;
+    QScriptValue targetObject = engine->globalObject().property(id);
+    QScriptValue result = addJSImport(engine, program, targetObject);
+    engine->globalObject().setProperty(id, targetObject);
+    return result;
+}
+
+QScriptValue addJSImport(QScriptEngine *engine,
+                         const QScriptProgram &program,
+                         QScriptValue &targetObject)
+{
+    engine->pushContext();
+    QScriptValue result = engine->evaluate(program);
+    QScriptValue activationObject = engine->currentContext()->activationObject();
+    engine->popContext();
+    if (result.isError())
+        return result;
+
+    if (targetObject.isValid() && !targetObject.isUndefined()) {
+        // try to merge imports with the same target into the same object
+        // it is necessary for library imports that have multiple js files
+        QScriptValueIterator it(activationObject);
+        while (it.hasNext()) {
+            it.next();
+            if (debugJSImports)
+                qDebug() << "mergeJSImport copying property" << it.name();
+            targetObject.setProperty(it.name(), it.value());
+        }
+    } else {
+        targetObject = activationObject;
+    }
+    return result;
+}
+
+void setConfigProperty(QVariantMap &cfg, const QStringList &name, const QVariant &value)
+{
+    if (name.length() == 1) {
+        cfg.insert(name.first(), value);
+    } else {
+        QVariant &subCfg = cfg[name.first()];
+        QVariantMap subCfgMap = subCfg.toMap();
+        setConfigProperty(subCfgMap, name.mid(1), value);
+        subCfg = subCfgMap;
+    }
+}
+
+QVariant getConfigProperty(const QVariantMap &cfg, const QStringList &name)
+{
+    if (name.length() == 1) {
+        return cfg.value(name.first());
+    } else {
+        return getConfigProperty(cfg.value(name.first()).toMap(), name.mid(1));
+    }
+}
+
+} // namespace qbs