Added cppunit to the ./contrib dir. Build config for x64 and dll builds (some bugs remaining, but most configs are working)

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@70 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

contrib/cppunit-1.12.1/src/cppunit/DynamicLibraryManager.cpp

@@ -0,0 +1,77 @@
+#include <cppunit/plugin/DynamicLibraryManager.h>
+
+#if !defined(CPPUNIT_NO_TESTPLUGIN)
+#include <cppunit/plugin/DynamicLibraryManagerException.h>
+
+CPPUNIT_NS_BEGIN
+
+
+DynamicLibraryManager::DynamicLibraryManager( const std::string &libraryFileName )
+    : m_libraryHandle( NULL )
+    , m_libraryName( libraryFileName )
+{
+  loadLibrary( libraryFileName );
+}
+
+
+DynamicLibraryManager::~DynamicLibraryManager()
+{
+  releaseLibrary();
+}
+
+
+DynamicLibraryManager::Symbol 
+DynamicLibraryManager::findSymbol( const std::string &symbol )
+{
+  try
+  {
+    Symbol symbolPointer = doFindSymbol( symbol );
+    if ( symbolPointer != NULL )
+      return symbolPointer;
+  }
+  catch ( ... )
+  {
+  }
+
+  throw DynamicLibraryManagerException( m_libraryName, 
+                                        symbol,
+                                        DynamicLibraryManagerException::symbolNotFound );
+  return NULL;    // keep compiler happy
+}
+
+
+void
+DynamicLibraryManager::loadLibrary( const std::string &libraryName )
+{
+  try
+  {
+    releaseLibrary();
+    m_libraryHandle = doLoadLibrary( libraryName );
+    if ( m_libraryHandle != NULL )
+      return;
+  }
+  catch (...)
+  {
+  }
+
+  throw DynamicLibraryManagerException( m_libraryName,
+                                        getLastErrorDetail(),
+                                        DynamicLibraryManagerException::loadingFailed );
+}
+
+
+void 
+DynamicLibraryManager::releaseLibrary()
+{
+  if ( m_libraryHandle != NULL )
+  {
+    doReleaseLibrary();
+    m_libraryHandle = NULL;
+  }
+}
+
+
+CPPUNIT_NS_END
+
+
+#endif // !defined(CPPUNIT_NO_TESTPLUGIN)