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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /include/comphelper/unwrapargs.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/include/comphelper/unwrapargs.hxx b/include/comphelper/unwrapargs.hxx
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+/* -*- 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_UNWRAPARGS_HXX
+#define INCLUDED_COMPHELPER_UNWRAPARGS_HXX
+
+#include <sal/config.h>
+
+#include <optional>
+
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/uno/XInterface.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <cppu/unotype.hxx>
+
+namespace comphelper {
+
+/// @internal
+namespace detail {
+ inline void unwrapArgsError(
+ const OUString& str, sal_Int32 nArg,
+ const css::uno::Reference< css::uno::XInterface >& xErrorContext =
+ css::uno::Reference< css::uno::XInterface >() )
+ {
+ throw css::lang::IllegalArgumentException(
+ str, xErrorContext, static_cast< sal_Int16 >( nArg ) );
+ }
+
+ template< typename T, typename... Args >
+ inline void unwrapArgsError( const OUString& str, sal_Int32 nArg, T&, Args&... args )
+ {
+ return unwrapArgsError( str, nArg, args... );
+ }
+
+ inline void unwrapArgs(
+ const css::uno::Sequence< css::uno::Any >&,
+ sal_Int32,
+ const css::uno::Reference< css::uno::XInterface >& )
+ {
+ return;
+ }
+
+ inline void unwrapArgs(
+ const css::uno::Sequence< css::uno::Any >&,
+ sal_Int32 )
+ {
+ return;
+ }
+
+ template< typename T, typename... Args >
+ inline void unwrapArgs(
+ const css::uno::Sequence< css::uno::Any >& seq,
+ sal_Int32 nArg, ::std::optional< T >& v, Args&... args );
+
+ template< typename T, typename... Args >
+ inline void unwrapArgs(
+ const css::uno::Sequence< css::uno::Any >& seq,
+ sal_Int32 nArg, T& v, Args&... args )
+ {
+ if( seq.getLength() <= nArg )
+ {
+ return unwrapArgsError( OUString( "No such argument available!"),
+ nArg, args... );
+ }
+ if( !fromAny( seq[nArg], &v ) )
+ {
+ OUString msg =
+ "Cannot extract ANY { " +
+ seq[nArg].getValueType().getTypeName() +
+ " } to " +
+ ::cppu::UnoType<T>::get().getTypeName() +
+ "!";
+ return unwrapArgsError( msg, nArg, args... );
+ }
+ return unwrapArgs( seq, ++nArg, args... );
+ }
+
+ template< typename T, typename... Args >
+ inline void unwrapArgs(
+ const css::uno::Sequence< css::uno::Any >& seq,
+ sal_Int32 nArg, ::std::optional< T >& v, Args&... args )
+ {
+ if( nArg < seq.getLength() )
+ {
+ T t;
+ unwrapArgs( seq, nArg, t, args... );
+ v = t;
+ } else {
+ unwrapArgs( seq, ++nArg, args... );
+ }
+ }
+}
+
+template< typename... Args >
+inline void unwrapArgs(
+ const css::uno::Sequence< css::uno::Any >& seq,
+ Args&... args )
+{
+ return detail::unwrapArgs( seq, 0, args... );
+}
+
+} // namespace comphelper
+
+#endif // ! defined( INCLUDED_COMPHELPER_UNWRAPARGS_HXX)
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */