1 files changed, 84 insertions, 0 deletions
diff --git a/src/gc-managed.h b/src/gc-managed.h
new file mode 100644
index 000000000..fc13b2513
--- /dev/null
+++ b/src/gc-managed.h
@@ -0,0 +1,84 @@
+/** \file
+ * Inkscape::GC::Managed - base class for GC-managed objects
+ *
+ * Copyright 2004 MenTaLguY <mental@rydia.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * See the file COPYING for details.
+ *
+ */
+
+#ifndef SEEN_INKSCAPE_GC_MANAGED_H
+#define SEEN_INKSCAPE_GC_MANAGED_H
+
+#include "gc-core.h"
+
+namespace Inkscape {
+
+namespace GC {
+
+/** @brief A base class for objects for whom the normal new and delete
+  *        operators should use the garbage-collected allocator
+  */
+template <ScanPolicy default_scan=SCANNED,
+          CollectionPolicy default_collect=AUTO>
+class Managed {
+public:
+    /** @brief Registers a pointer to be cleared when this object becomes
+      *        inaccessible.
+      */
+    template <typename T>
+    void clearOnceInaccessible(T **p_ptr) {
+        Core::general_register_disappearing_link(
+            reinterpret_cast<void **>(p_ptr), Core::base(this)
+        );
+    }
+
+    /** @brief Cancels the registration of a pointer, so it will not be
+      *        cleared when this object becomes inacessible.
+      */
+    template <typename T>
+    void cancelClearOnceInaccessible(T **p_ptr) {
+        Core::unregister_disappearing_link(
+            reinterpret_cast<void **>(p_ptr)
+        );
+    }
+
+    void *operator new(std::size_t size,
+                       ScanPolicy scan=default_scan,
+                       CollectionPolicy collect=default_collect)
+    throw (std::bad_alloc)
+    {
+        return ::operator new(size, scan, collect);
+    }
+
+    void *operator new[](std::size_t size,
+                         ScanPolicy scan=default_scan,
+                         CollectionPolicy collect=default_collect)
+    throw (std::bad_alloc)
+    {
+        return ::operator new[](size, scan, collect);
+    }
+
+    void operator delete(void *p) { return ::operator delete(p, GC); }
+};
+
+}
+
+}
+
+#endif
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :