initial commit Base app, core lib, plugin system

core/context.cpp

@@ -0,0 +1,51 @@
+#include <QDir>
+#include <QApplication>
+#include <QPluginLoader>
+
+#include "context.h"
+#include "iplugin.h"
+
+#include <odb/sqlite/database.hxx>
+
+Context &Context::instance()
+{
+    static Context ctx;
+    return ctx;
+}
+
+QList<IPlugin *> Context::plugins()
+{
+    return m_plugins;
+}
+
+void Context::loadPlugins()
+{
+    QDir pluginsDir(qApp->applicationDirPath() + "/../plugins");
+
+    foreach (QString fileName, pluginsDir.entryList(QStringList() << "*.so")) {
+        QPluginLoader pluginLoader(pluginsDir.absoluteFilePath(fileName));
+        QObject *p = pluginLoader.instance();
+
+        if (p != NULL) {
+            IPlugin *plugin = qobject_cast<IPlugin*>(p);
+            if (plugin != NULL) {
+                plugin->init();
+                m_plugins.append(plugin);
+            }
+        }
+    }
+}
+
+void Context::openDb(const QString &path)
+{
+    if (m_db != NULL) {
+        delete m_db;
+    }
+
+    m_db = new odb::sqlite::database(path.toStdString());
+}
+
+Context::Context()
+{
+    m_db = NULL;
+}