Add a class for loading and accessing modules at runtime

[libs/core.git] / source / core / windows / module.cpp

diff --git a/source/core/windows/module.cpp b/source/core/windows/module.cpp
new file mode 100644 (file)
index 0000000..a0301c1
--- /dev/null
+++ b/source/core/windows/module.cpp
@@ -0,0 +1,34 @@
+#include "module.h"
+#include "module_private.h"
+#include "systemerror.h"
+
+using namespace std;
+
+namespace Msp {
+
+Module::Module(const string &name)
+{
+       ModuleHandle handle = LoadLibrary(name.c_str());
+       if(!handle)
+               throw system_error("LoadLibrary");
+
+       priv = new Private;
+       priv->handle = handle;
+}
+
+Module::~Module()
+{
+       FreeLibrary(priv->handle);
+       delete priv;
+}
+
+void *Module::get_symbol(const string &name) const
+{
+       FARPROC result = GetProcAddress(priv->handle, name.c_str());
+       if(!result)
+               throw system_error("GetProcAddress");
+
+       return reinterpret_cast<void *>(result);
+}
+
+} // namespace Msp