1 files changed, 113 insertions, 0 deletions
diff --git a/src/lib/tools/scannerpluginmanager.cpp b/src/lib/tools/scannerpluginmanager.cpp
new file mode 100644
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+++ b/src/lib/tools/scannerpluginmanager.cpp
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+/**************************************************************************
+**
+** 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 "scannerpluginmanager.h"
+#include "logger.h"
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDebug>
+#include <QtCore/QDirIterator>
+#include <QtCore/QLibrary>
+
+namespace qbs {
+ScannerPluginManager *ScannerPluginManager::instance()
+{
+    static ScannerPluginManager *i = new ScannerPluginManager;
+    return i;
+}
+
+ScannerPluginManager::ScannerPluginManager()
+{
+}
+
+QList<ScannerPlugin *> ScannerPluginManager::scannersForFileTag(const QString &fileTag)
+{
+    return instance()->m_scannerPlugins.value(fileTag);
+}
+
+void ScannerPluginManager::loadPlugins(const QStringList &pluginPaths)
+{
+    QStringList filters;
+#if defined(Q_OS_WIN)
+    QString sharedLibSuffix = ".dll";
+#elif defined(Q_OS_DARWIN)
+    QString sharedLibSuffix = ".dylib";
+#else
+    QString sharedLibSuffix = ".so";
+#endif
+    filters << "*" + sharedLibSuffix;
+
+    foreach (const QString &pluginPath, pluginPaths) {
+        qbsTrace("pluginmanager: loading plugins from '%s'.", qPrintable(QDir::toNativeSeparators(pluginPath)));
+        QDirIterator it(pluginPath, filters, QDir::Files);
+        while (it.hasNext()) {
+            const QString fileName = it.next();
+            QScopedPointer<QLibrary> lib(new QLibrary(fileName));
+            if (!lib->load()) {
+                qbsWarning("pluginmanager: couldn't load '%s'.",
+                           qPrintable(QDir::toNativeSeparators(fileName)));
+                continue;
+            }
+
+            getScanners_f getScanners = reinterpret_cast<getScanners_f>(lib->resolve("getScanners"));
+            if (!getScanners) {
+                qbsWarning("pluginmanager: couldn't resolve symbol in '%s'.",
+                           qPrintable(QDir::toNativeSeparators(fileName)));
+                continue;
+            }
+
+            ScannerPlugin **plugins = getScanners();
+            if (plugins == 0) {
+                qbsWarning("pluginmanager: no scanners returned from '%s'.",
+                           qPrintable(QDir::toNativeSeparators(fileName)));
+                continue;
+            }
+
+            qbsTrace("pluginmanager: scanner plugin '%s' loaded.",
+                     qPrintable(QDir::toNativeSeparators(fileName)));
+
+            int i = 0;
+            while (plugins[i] != 0) {
+                m_scannerPlugins[QString::fromLocal8Bit(plugins[i]->fileTag)] += plugins[i];
+                ++i;
+            }
+            m_libs.append(lib.take());
+        }
+    }
+}
+
+} // namespace qbs