plugin-support: make header-only, expose as public API

Issue: #151

Some global namespace macros are now prefixed with "OPENTRACK_" to avoid
namespace clashes.

This header is now safe to include in third-party projects.

1 files changed, 42 insertions, 0 deletions

diff --git a/opentrack/selected-libraries.cpp b/opentrack/selected-libraries.cpp
new file mode 100644
index 00000000..8cb226c8
--- /dev/null
+++ b/opentrack/selected-libraries.cpp
@@ -0,0 +1,42 @@
+#include "opentrack/selected-libraries.hpp"
+#include <QDebug>
+
+SelectedLibraries::~SelectedLibraries()
+{
+}
+
+template<typename t>
+static mem<t> make_instance(mem<dylib> lib)
+{
+    mem<t> ret;
+    if (lib != nullptr && lib->Constructor)
+        ret = mem<t>(reinterpret_cast<t*>(reinterpret_cast<OPENTRACK_CTOR_FUNPTR>(lib->Constructor)()));
+    return ret;
+}
+
+SelectedLibraries::SelectedLibraries(QFrame* frame, dylibptr t, dylibptr p, dylibptr f) :
+    pTracker(nullptr),
+    pFilter(nullptr),
+    pProtocol(nullptr),
+    correct(false)
+{
+    pTracker = make_instance<ITracker>(t);
+    pProtocol = make_instance<IProtocol>(p);
+    pFilter = make_instance<IFilter>(f);
+
+    if (!pTracker || !pProtocol)
+    {
+        qDebug() << "dylib load failure";
+        return;
+    }
+
+    if(!pProtocol->correct())
+    {
+        qDebug() << "protocol load failure";
+        return;
+    }
+
+    pTracker->start_tracker(frame);
+
+    correct = true;
+}