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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the qmake application 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 <iostream>
+
+#include <QtCore/qdir.h>
+#include <QtCore/qxmlstream.h>
+
+#include "epocroot.h"
+#include "../windows/registry.h"
+
+// Registry key under which the location of the Symbian devices.xml file is
+// stored.
+// Note that, on 64-bit machines, this key is located under the 32-bit
+// compatibility key:
+// HKEY_LOCAL_MACHINE\Software\Wow6432Node
+#define SYMBIAN_SDKS_REG_SUBKEY "Software\\Symbian\\EPOC SDKs\\CommonPath"
+
+#ifdef Q_OS_WIN32
+# define SYMBIAN_SDKS_REG_HANDLE HKEY_LOCAL_MACHINE
+#else
+# define SYMBIAN_SDKS_REG_HANDLE 0
+#endif
+
+// Value which is populated and returned by the epocRoot() function.
+// Stored as a static value in order to avoid unnecessary re-evaluation.
+static QString epocRootValue;
+
+#ifdef QT_BUILD_QMAKE
+std::ostream &operator<<(std::ostream &s, const QString &val) {
+ s << val.toLocal8Bit().data();
+ return s;
+}
+#else
+// Operator implemented in configureapp.cpp
+std::ostream &operator<<(std::ostream &s, const QString &val);
+#endif
+
+QString getDevicesXmlPath()
+ {
+ // Note that the following call will return a null string on platforms other
+ // than Windows. If support is required on other platforms for devices.xml,
+ // an alternative mechanism for retrieving the location of this file will
+ // be required.
+ return readRegistryKey(SYMBIAN_SDKS_REG_HANDLE, SYMBIAN_SDKS_REG_SUBKEY);
+ }
+
+/**
+ * Checks whether epocRootValue points to an existent directory.
+ * If not, epocRootValue is set to an empty string and an error message is printed.
+ */
+void checkEpocRootExists(const QString &source)
+{
+ if (!epocRootValue.isEmpty()) {
+ QDir dir(epocRootValue);
+ if (!dir.exists()) {
+ std::cerr << "Warning: " << source << " is set to an invalid path: " << epocRootValue << std::endl;
+ epocRootValue = QString();
+ }
+ }
+}
+
+/**
+ * Translate path from Windows to Qt format.
+ */
+static void fixEpocRoot(QString &path)
+{
+ path.replace("\\", "/");
+
+ if (path.size() > 1 && path[1] == QChar(':')) {
+ path = path.mid(2);
+ }
+
+ if (!path.size() || path[path.size()-1] != QChar('/')) {
+ path += QChar('/');
+ }
+}
+
+/**
+ * Determine the epoc root for the currently active SDK.
+ */
+QString epocRoot()
+{
+ if (epocRootValue.isEmpty()) {
+ // 1. If environment variable EPOCROOT is set and points to an existent
+ // directory, this is returned.
+ epocRootValue = qgetenv("EPOCROOT");
+ checkEpocRootExists("EPOCROOT");
+
+ if (epocRootValue.isEmpty()) {
+ // 2. The location of devices.xml is specified by a registry key. If this
+ // file exists, it is parsed.
+ QString devicesXmlPath = getDevicesXmlPath();
+ if (devicesXmlPath.isEmpty()) {
+ std::cerr << "Error: Symbian SDK registry key not found" << std::endl;
+ } else {
+ devicesXmlPath += "/devices.xml";
+ QFile devicesFile(devicesXmlPath);
+ if (devicesFile.open(QIODevice::ReadOnly)) {
+
+ // 3. If the EPOCDEVICE environment variable is set and a corresponding
+ // entry is found in devices.xml, and its epocroot value points to an
+ // existent directory, it is returned.
+ // 4. If a device element marked as default is found in devices.xml and its
+ // epocroot value points to an existent directory, this is returned.
+
+ const QString epocDeviceValue = qgetenv("EPOCDEVICE");
+ bool epocDeviceFound = false;
+
+ QXmlStreamReader xml(&devicesFile);
+ while (!xml.atEnd()) {
+ xml.readNext();
+ if (xml.isStartElement() && xml.name() == "devices") {
+ if (xml.attributes().value("version") == "1.0") {
+ while (!(xml.isEndElement() && xml.name() == "devices") && !xml.atEnd()) {
+ xml.readNext();
+ if (xml.isStartElement() && xml.name() == "device") {
+ const bool isDefault = xml.attributes().value("default") == "yes";
+ const QString id = xml.attributes().value("id").toString();
+ const QString name = xml.attributes().value("name").toString();
+ const bool epocDeviceMatch = (id + ":" + name) == epocDeviceValue;
+ epocDeviceFound |= epocDeviceMatch;
+
+ if((epocDeviceValue.isEmpty() && isDefault) || epocDeviceMatch) {
+ // Found a matching device
+ while (!(xml.isEndElement() && xml.name() == "device") && !xml.atEnd()) {
+ xml.readNext();
+ if (xml.isStartElement() && xml.name() == "epocroot") {
+ epocRootValue = xml.readElementText();
+ const QString deviceSource = epocDeviceValue.isEmpty()
+ ? "default device"
+ : "EPOCDEVICE (" + epocDeviceValue + ")";
+ checkEpocRootExists(deviceSource);
+ }
+ }
+
+ if (epocRootValue.isEmpty())
+ xml.raiseError("No epocroot element found");
+ }
+ }
+ }
+ } else {
+ xml.raiseError("Invalid 'devices' element version");
+ }
+ }
+ }
+ if (xml.hasError()) {
+ std::cerr << "Error: \"" << xml.errorString() << "\" when parsing devices.xml" << std::endl;
+ } else {
+ if (epocRootValue.isEmpty()) {
+ if (!epocDeviceValue.isEmpty()) {
+ if (epocDeviceFound) {
+ std::cerr << "Error: missing or invalid epocroot attribute "
+ << "in device '" << epocDeviceValue << "'";
+ } else {
+ std::cerr << "Error: no device matching EPOCDEVICE ("
+ << epocDeviceValue << ")";
+ }
+ } else {
+ if (epocDeviceFound) {
+ std::cerr << "Error: missing or invalid epocroot attribute "
+ << "in default device";
+ } else {
+ std::cerr << "Error: no default device";
+ }
+ }
+ std::cerr << " found in devices.xml file." << std::endl;
+ }
+ }
+ } else {
+ std::cerr << "Error: could not open file " << devicesXmlPath << std::endl;
+ }
+ }
+ }
+
+ if (epocRootValue.isEmpty()) {
+ // 5. An empty string is returned.
+ std::cerr << "Error: failed to find epoc root" << std::endl
+ << "Either" << std::endl
+ << " 1. Set EPOCROOT environment variable to a valid value" << std::endl
+ << " or 2. Ensure that the HKEY_LOCAL_MACHINE\\" SYMBIAN_SDKS_REG_SUBKEY
+ " registry key is set, and then" << std::endl
+ << " a. Set EPOCDEVICE environment variable to a valid device" << std::endl
+ << " or b. Specify a default device in the devices.xml file." << std::endl;
+ } else {
+ fixEpocRoot(epocRootValue);
+ }
+ }
+
+ return epocRootValue;
+}
+
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