1 files changed, 111 insertions, 0 deletions
diff --git a/forms/source/xforms/namedcollection.hxx b/forms/source/xforms/namedcollection.hxx
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+++ b/forms/source/xforms/namedcollection.hxx
@@ -0,0 +1,111 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include "collection.hxx"
+#include <cppuhelper/implbase.hxx>
+#include <comphelper/sequence.hxx>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/container/XNamed.hpp>
+
+#include <algorithm>
+
+template<class T>
+class NamedCollection : public cppu::ImplInheritanceHelper<
+                            Collection<T>,
+                            css::container::XNameAccess>
+{
+    using Collection<T>::maItems;
+    using Collection<T>::getItem;
+    using Collection<T>::hasItem;
+
+public:
+
+    const T& getItem( const OUString& rName ) const
+    {
+        OSL_ENSURE( hasItem( rName ), "invalid name" );
+        return *findItem( rName );
+    }
+
+    bool hasItem( const OUString& rName ) const
+    {
+        return findItem( rName ) != maItems.end();
+    }
+
+    css::uno::Sequence<OUString> getNames() const
+    {
+        // iterate over members, and collect all those that have names
+        std::vector<OUString> aNames;
+        for( const T& rItem : maItems )
+        {
+            css::uno::Reference<css::container::XNamed>
+                xNamed( rItem, css::uno::UNO_QUERY );
+            if( xNamed.is() )
+                aNames.push_back( xNamed->getName() );
+        }
+
+        return comphelper::containerToSequence(aNames);
+    }
+
+protected:
+    typename std::vector<T>::const_iterator findItem( const OUString& rName ) const
+    {
+        return std::find_if(maItems.begin(), maItems.end(), [&rName](const T& rItem) {
+            css::uno::Reference<css::container::XNamed>
+                xNamed( rItem, css::uno::UNO_QUERY );
+            return xNamed.is() && xNamed->getName() == rName;
+        });
+    }
+
+public:
+
+    // XElementAccess
+    virtual css::uno::Type SAL_CALL getElementType() override
+    {
+        return Collection<T>::getElementType();
+    }
+
+    virtual sal_Bool SAL_CALL hasElements() override
+    {
+        return Collection<T>::hasElements();
+    }
+
+    // XNameAccess : XElementAccess
+    virtual css::uno::Any SAL_CALL getByName(
+        const OUString& aName ) override
+    {
+        if( !hasItem( aName ) )
+            throw css::container::NoSuchElementException();
+        return css::uno::Any( getItem( aName ) );
+    }
+
+    virtual css::uno::Sequence<OUString> SAL_CALL getElementNames() override
+    {
+        return getNames();
+    }
+
+    virtual sal_Bool SAL_CALL hasByName(
+        const OUString& aName ) override
+    {
+        return hasItem( aName );
+    }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */