1 files changed, 161 insertions, 0 deletions
diff --git a/tools/inc/tools/link.hxx b/tools/inc/tools/link.hxx
new file mode 100644
index 000000000000..02187e339187
--- /dev/null
+++ b/tools/inc/tools/link.hxx
@@ -0,0 +1,161 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef _LINK_HXX
+#define _LINK_HXX
+
+#include "tools/toolsdllapi.h"
+#include "sal/config.h"
+#include "sal/types.h"
+#include <tools/solar.h>
+
+// ---------------
+// - Link-Makros -
+// ---------------
+
+typedef long (*PSTUB)( void*, void* );
+
+#define DECL_LINK( Method, ArgType ) \
+    long Method( ArgType ); \
+    static long LinkStub##Method( void* pThis, void* )
+
+#define DECL_STATIC_LINK( Class, Method, ArgType ) \
+    static long Method( Class*, ArgType )
+
+#define DECL_DLLPRIVATE_LINK(Method, ArgType) \
+    SAL_DLLPRIVATE long Method(ArgType); \
+    SAL_DLLPRIVATE static long LinkStub##Method(void * pThis, void *)
+
+#define DECL_DLLPRIVATE_STATIC_LINK(Class, Method, ArgType) \
+    SAL_DLLPRIVATE static long Method(Class *, ArgType)
+
+#define IMPL_METHOD( Class, Method, ArgType, ArgName ) \
+    long Class::Method( ArgType ArgName )
+
+#define IMPL_STUB(Class, Method, ArgType) \
+    long Class::LinkStub##Method( void* pThis, void* pCaller) \
+    { \
+        return ((Class*)pThis )->Method( (ArgType)pCaller ); \
+    }
+
+#define IMPL_STATIC_LINK( Class, Method, ArgType, ArgName ) \
+    long Class::Method( Class* pThis, ArgType ArgName )
+
+#define IMPL_STATIC_LINK_NOINSTANCE( Class, Method, ArgType, ArgName ) \
+    long Class::Method( Class*, ArgType ArgName )
+
+#define LINK( Inst, Class, Member ) \
+    Link( (Class*)Inst, (PSTUB)&Class::LinkStub##Member )
+
+#define STATIC_LINK( Inst, Class, Member ) \
+    Link( (Class*)Inst, (PSTUB)&Class::Member )
+
+#define IMPL_LINK( Class, Method, ArgType, ArgName ) \
+    IMPL_STUB( Class, Method, ArgType ) \
+    long Class::Method( ArgType ArgName )
+
+#if defined GCC && defined NO_OPTIMIZE
+#define IMPL_LINK_INLINE_START( Class, Method, ArgType, ArgName ) \
+    IMPL_LINK( Class, Method, ArgType, ArgName )
+
+#define IMPL_LINK_INLINE_END( Class, Method, ArgType, ArgName )
+#else
+#define IMPL_LINK_INLINE_START( Class, Method, ArgType, ArgName ) \
+    inline long Class::Method( ArgType ArgName )
+
+#define IMPL_LINK_INLINE_END( Class, Method, ArgType, ArgName ) \
+    IMPL_STUB( Class, Method, ArgType )
+#endif
+
+#define IMPL_LINK_INLINE( Class, Method, ArgType, ArgName, Body ) \
+    long Class::Method( ArgType ArgName ) \
+    Body \
+    IMPL_STUB( Class, Method, ArgType )
+
+#define EMPTYARG
+
+// --------
+// - Link -
+// --------
+
+class TOOLS_DLLPUBLIC Link
+{
+    void*       pInst;
+    PSTUB       pFunc;
+
+public:
+                Link();
+                Link( void* pLinkHdl, PSTUB pMemFunc );
+
+    long        Call( void* pCaller ) const;
+
+    sal_Bool        IsSet() const;
+    sal_Bool        operator !() const;
+
+    sal_Bool        operator==( const Link& rLink ) const;
+    sal_Bool        operator!=( const Link& rLink ) const
+                    { return !(Link::operator==( rLink )); }
+    sal_Bool        operator<( const Link& rLink ) const
+                    { return ((sal_uIntPtr)rLink.pFunc < (sal_uIntPtr)pFunc); }
+};
+
+inline Link::Link()
+{
+    pInst = 0;
+    pFunc = 0;
+}
+
+inline Link::Link( void* pLinkHdl, PSTUB pMemFunc )
+{
+    pInst = pLinkHdl;
+    pFunc = pMemFunc;
+}
+
+inline long Link::Call(void *pCaller) const
+{
+    return pFunc ? (*pFunc)(pInst, pCaller) : 0;
+}
+
+inline sal_Bool Link::IsSet() const
+{
+    if ( pFunc )
+        return sal_True;
+    else
+        return sal_False;
+}
+
+inline sal_Bool Link::operator !() const
+{
+    if ( !pFunc )
+        return sal_True;
+    else
+        return sal_False;
+}
+
+#endif  // _LINK_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */