Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 144 insertions, 0 deletions

diff --git a/include/oox/helper/refmap.hxx b/include/oox/helper/refmap.hxx
new file mode 100644
index 000000000..fb32c9d8c
--- /dev/null
+++ b/include/oox/helper/refmap.hxx
@@ -0,0 +1,144 @@
+/* -*- 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_OOX_HELPER_REFMAP_HXX
+#define INCLUDED_OOX_HELPER_REFMAP_HXX
+
+#include <algorithm>
+#include <functional>
+#include <map>
+#include <memory>
+
+namespace oox {
+
+
+/** Template for a map of ref-counted objects with additional accessor functions.
+
+    An instance of the class RefMap< Type > stores elements of the type
+    std::shared_ptr< Type >. The new accessor functions has() and get()
+    work correctly for nonexisting keys, there is no need to check the passed
+    key before.
+ */
+template< typename KeyType, typename ObjType, typename CompType = std::less< KeyType > >
+class RefMap : public std::map< KeyType, std::shared_ptr< ObjType >, CompType >
+{
+public:
+    typedef std::map< KeyType, std::shared_ptr< ObjType >, CompType > container_type;
+    typedef typename container_type::key_type                               key_type;
+    typedef typename container_type::mapped_type                            mapped_type;
+    typedef typename container_type::value_type                             value_type;
+    typedef typename container_type::key_compare                            key_compare;
+
+public:
+    /** Returns true, if the object associated to the passed key exists.
+        Returns false, if the key exists but points to an empty reference. */
+    bool                has( key_type nKey ) const
+                        {
+                            const mapped_type* pxRef = getRef( nKey );
+                            return pxRef && pxRef->get();
+                        }
+
+    /** Returns a reference to the object associated to the passed key, or an
+        empty reference on error. */
+    mapped_type         get( key_type nKey ) const
+                        {
+                            if( const mapped_type* pxRef = getRef( nKey ) ) return *pxRef;
+                            return mapped_type();
+                        }
+
+    /** Calls the passed functor for every contained object, automatically
+        skips all elements that are empty references. */
+    template< typename FunctorType >
+    void                forEach( const FunctorType& rFunctor ) const
+                        {
+                            std::for_each( this->begin(), this->end(), ForEachFunctor< FunctorType >( rFunctor ) );
+                        }
+
+    /** Calls the passed member function of ObjType on every contained object,
+        automatically skips all elements that are empty references. */
+    template< typename FuncType >
+    void                forEachMem( FuncType pFunc ) const
+                        {
+                            forEach( ::std::bind( pFunc, std::placeholders::_1 ) );
+                        }
+
+    /** Calls the passed member function of ObjType on every contained object,
+        automatically skips all elements that are empty references. */
+    template< typename FuncType, typename ParamType1, typename ParamType2 >
+    void                forEachMem( FuncType pFunc, ParamType1 aParam1, ParamType2 aParam2 ) const
+                        {
+                            forEach( ::std::bind( pFunc, std::placeholders::_1, aParam1, aParam2 ) );
+                        }
+
+    /** Calls the passed member function of ObjType on every contained object,
+        automatically skips all elements that are empty references. */
+    template< typename FuncType, typename ParamType1, typename ParamType2, typename ParamType3 >
+    void                forEachMem( FuncType pFunc, ParamType1 aParam1, ParamType2 aParam2, ParamType3 aParam3 ) const
+                        {
+                            forEach( ::std::bind( pFunc, std::placeholders::_1, aParam1, aParam2, aParam3 ) );
+                        }
+
+
+    /** Calls the passed functor for every contained object. Passes the key as
+        first argument and the object reference as second argument to rFunctor. */
+    template< typename FunctorType >
+    void                forEachWithKey( const FunctorType& rFunctor ) const
+                        {
+                            std::for_each( this->begin(), this->end(), ForEachFunctorWithKey< FunctorType >( rFunctor ) );
+                        }
+
+    /** Calls the passed member function of ObjType on every contained object.
+        Passes the object key as argument to the member function. */
+    template< typename FuncType >
+    void                forEachMemWithKey( FuncType pFunc ) const
+                        {
+                            forEachWithKey( ::std::bind( pFunc, std::placeholders::_2, std::placeholders::_1 ) );
+                        }
+
+
+private:
+    template< typename FunctorType >
+    struct ForEachFunctor
+    {
+        FunctorType         maFunctor;
+        explicit     ForEachFunctor( const FunctorType& rFunctor ) : maFunctor( rFunctor ) {}
+        void         operator()( const value_type& rValue ) { if( rValue.second.get() ) maFunctor( *rValue.second ); }
+    };
+
+    template< typename FunctorType >
+    struct ForEachFunctorWithKey
+    {
+        FunctorType         maFunctor;
+        explicit     ForEachFunctorWithKey( const FunctorType& rFunctor ) : maFunctor( rFunctor ) {}
+        void         operator()( const value_type& rValue ) { if( rValue.second.get() ) maFunctor( rValue.first, *rValue.second ); }
+    };
+
+    const mapped_type* getRef( key_type nKey ) const
+    {
+        typename container_type::const_iterator aIt = this->find( nKey );
+        return (aIt == this->end()) ? 0 : &aIt->second;
+    }
+};
+
+
+} // namespace oox
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */