From 267c6f2ac71f92999e969232431ba04678e7437e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 15 Apr 2024 07:54:39 +0200
Subject: Adding upstream version 4:24.2.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 include/comphelper/enumhelper.hxx | 122 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 include/comphelper/enumhelper.hxx

(limited to 'include/comphelper/enumhelper.hxx')

diff --git a/include/comphelper/enumhelper.hxx b/include/comphelper/enumhelper.hxx
new file mode 100644
index 0000000000..91e8af5b8f
--- /dev/null
+++ b/include/comphelper/enumhelper.hxx
@@ -0,0 +1,122 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_COMPHELPER_ENUMHELPER_HXX
+#define INCLUDED_COMPHELPER_ENUMHELPER_HXX
+
+#include <com/sun/star/container/XEnumeration.hpp>
+#include <com/sun/star/lang/XEventListener.hpp>
+#include <comphelper/comphelperdllapi.h>
+#include <cppuhelper/implbase.hxx>
+#include <mutex>
+#include <variant>
+#include <vector>
+
+namespace com::sun::star::container { class XIndexAccess; }
+namespace com::sun::star::container { class XNameAccess; }
+
+namespace comphelper
+{
+
+/** provides a com.sun.star.container::XEnumeration access based
+    on an object implementing the com.sun.star.container::XNameAccess interface
+*/
+class COMPHELPER_DLLPUBLIC OEnumerationByName final :
+                         public ::cppu::WeakImplHelper< css::container::XEnumeration ,
+                                                          css::lang::XEventListener    >
+{
+    std::variant<css::uno::Sequence< OUString >, std::vector<OUString>> m_aNames;
+    css::uno::Reference< css::container::XNameAccess >  m_xAccess;
+    sal_Int32                                           m_nPos;
+    bool                                                m_bListening;
+    std::mutex m_aLock;
+
+public:
+    OEnumerationByName(css::uno::Reference< css::container::XNameAccess > _xAccess);
+    OEnumerationByName(css::uno::Reference< css::container::XNameAccess > _xAccess,
+                       std::vector<OUString>             _aNames  );
+    virtual ~OEnumerationByName() override;
+
+    virtual sal_Bool SAL_CALL hasMoreElements(  ) override;
+    virtual css::uno::Any SAL_CALL nextElement(  ) override;
+
+    virtual void SAL_CALL disposing(const css::lang::EventObject& aEvent) override;
+
+private:
+    sal_Int32 getLength() const;
+    const OUString& getElement(sal_Int32 nIndex) const;
+    COMPHELPER_DLLPRIVATE void impl_startDisposeListening();
+    COMPHELPER_DLLPRIVATE void impl_stopDisposeListening();
+};
+
+/** provides a com.sun.star.container::XEnumeration access based
+    on an object implementing the com.sun.star.container::XNameAccess interface
+*/
+class COMPHELPER_DLLPUBLIC OEnumerationByIndex final :
+                          public ::cppu::WeakImplHelper< css::container::XEnumeration ,
+                                                           css::lang::XEventListener    >
+{
+    css::uno::Reference< css::container::XIndexAccess > m_xAccess;
+    sal_Int32                                         m_nPos;
+    bool                                          m_bListening;
+    std::mutex m_aLock;
+
+public:
+    OEnumerationByIndex(css::uno::Reference< css::container::XIndexAccess > _xAccess);
+    virtual ~OEnumerationByIndex() override;
+
+    virtual sal_Bool SAL_CALL hasMoreElements(  ) override;
+    virtual css::uno::Any SAL_CALL nextElement(  ) override;
+
+    virtual void SAL_CALL disposing(const css::lang::EventObject& aEvent) override;
+
+private:
+    COMPHELPER_DLLPRIVATE void impl_startDisposeListening();
+    COMPHELPER_DLLPRIVATE void impl_stopDisposeListening();
+};
+
+// this is the way that works for ENABLE_LTO with MSVC 2013
+class SAL_DLLPUBLIC_TEMPLATE OAnyEnumeration_BASE
+    : public ::cppu::WeakImplHelper<css::container::XEnumeration> {};
+
+/** provides a com.sun.star.container::XEnumeration
+    for an outside set vector of Any's.
+
+*/
+class COMPHELPER_DLLPUBLIC OAnyEnumeration final :
+                                           public OAnyEnumeration_BASE
+{
+    sal_Int32                         m_nPos;
+    css::uno::Sequence< css::uno::Any > m_lItems;
+    std::mutex m_aLock;
+
+public:
+    OAnyEnumeration(const css::uno::Sequence< css::uno::Any >& lItems);
+    virtual ~OAnyEnumeration() override;
+
+    virtual sal_Bool SAL_CALL hasMoreElements(  ) override;
+    virtual css::uno::Any SAL_CALL nextElement(  ) override;
+
+};
+
+}
+
+#endif // INCLUDED_COMPHELPER_ENUMHELPER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
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