namedvaluecollection.hxx

Go to the documentation of this file.

/* -*- 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_NAMEDVALUECOLLECTION_HXX
#define INCLUDED_COMPHELPER_NAMEDVALUECOLLECTION_HXX

#include <comphelper/comphelperdllapi.h>

#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/beans/NamedValue.hpp>

#include <vector>
#include <unordered_map>

namespace comphelper
{


    // = NamedValueCollection

    class COMPHELPER_DLLPUBLIC NamedValueCollection
    {
        std::unordered_map< OUString, css::uno::Any >  maValues;
    public:
        NamedValueCollection() = default;

        NamedValueCollection( const NamedValueCollection& _rCopySource ) = default;
        NamedValueCollection(NamedValueCollection&& _rCopySource) noexcept = default;

        NamedValueCollection& operator=( const NamedValueCollection& i_rCopySource ) = default;
        NamedValueCollection& operator=(NamedValueCollection&& i_rCopySource) noexcept = default;

        NamedValueCollection( const css::uno::Any& _rElements );

        NamedValueCollection( const css::uno::Sequence< css::uno::Any >& _rArguments );

        NamedValueCollection( const css::uno::Sequence< css::beans::PropertyValue >& _rArguments );

        NamedValueCollection( const css::uno::Sequence< css::beans::NamedValue >& _rArguments );

        void assign( const css::uno::Sequence< css::uno::Any >& _rArguments )
        {
            impl_assign( _rArguments );
        }

        void clear()
        {
            impl_assign( css::uno::Sequence< css::beans::NamedValue >() );
        }

        static bool canExtractFrom( css::uno::Any const & i_value );

        size_t  size() const;

        bool    empty() const;

        ::std::vector< OUString >
                getNames() const;

        NamedValueCollection&
                merge(
                    const NamedValueCollection& _rAdditionalValues,
                    bool _bOverwriteExisting
                );

        template < typename VALUE_TYPE >
        bool get_ensureType( const char* _pAsciiValueName, VALUE_TYPE& _out_rValue ) const
        {
            return get_ensureType( OUString::createFromAscii( _pAsciiValueName ), &_out_rValue, ::cppu::UnoType< VALUE_TYPE >::get() );
        }

        template < typename VALUE_TYPE >
        void    get_ensureType( const OUString& _rValueName, VALUE_TYPE& _out_rValue ) const
        {
            get_ensureType( _rValueName, &_out_rValue, ::cppu::UnoType< VALUE_TYPE >::get() );
        }

        template < typename VALUE_TYPE >
        VALUE_TYPE  getOrDefault( const char* _pAsciiValueName, const VALUE_TYPE& _rDefault ) const
        {
            return getOrDefault( OUString::createFromAscii( _pAsciiValueName ), _rDefault );
        }

        template < typename VALUE_TYPE >
        VALUE_TYPE  getOrDefault( const OUString& _rValueName, const VALUE_TYPE& _rDefault ) const
        {
            VALUE_TYPE retVal( _rDefault );
            get_ensureType( _rValueName, retVal );
            return retVal;
        }

        const css::uno::Any& get( const char* _pAsciiValueName ) const
        {
            return get( OUString::createFromAscii( _pAsciiValueName ) );
        }

        const css::uno::Any& get( const OUString& _rValueName ) const
        {
            return impl_get( _rValueName );
        }

        bool has( const char* _pAsciiValueName ) const
        {
            return impl_has( OUString::createFromAscii( _pAsciiValueName ) );
        }

        bool has( const OUString& _rValueName ) const
        {
            return impl_has( _rValueName );
        }

        template < typename VALUE_TYPE >
        bool put( const char* _pAsciiValueName, const VALUE_TYPE& _rValue )
        {
            return impl_put( OUString::createFromAscii( _pAsciiValueName ), css::uno::makeAny( _rValue ) );
        }

        template < typename VALUE_TYPE >
        bool put( const OUString& _rValueName, const VALUE_TYPE& _rValue )
        {
            return impl_put( _rValueName, css::uno::makeAny( _rValue ) );
        }

        bool put( const char* _pAsciiValueName, const css::uno::Any& _rValue )
        {
            return impl_put( OUString::createFromAscii( _pAsciiValueName ), _rValue );
        }

        bool put( const OUString& _rValueName, const css::uno::Any& _rValue )
        {
            return impl_put( _rValueName, _rValue );
        }

        bool remove( const char* _pAsciiValueName )
        {
            return impl_remove( OUString::createFromAscii( _pAsciiValueName ) );
        }

        bool remove( const OUString& _rValueName )
        {
            return impl_remove( _rValueName );
        }

        sal_Int32 operator >>= ( css::uno::Sequence< css::beans::PropertyValue >& _out_rValues ) const;

        sal_Int32 operator >>= ( css::uno::Sequence< css::beans::NamedValue >& _out_rValues ) const;

        css::uno::Sequence< css::beans::PropertyValue >
                getPropertyValues() const
        {
            css::uno::Sequence< css::beans::PropertyValue > aValues;
            *this >>= aValues;
            return aValues;
        }

        css::uno::Sequence< css::uno::Any >
                getWrappedPropertyValues() const
        {
            return impl_wrap< css::beans::PropertyValue >();
        }

        css::uno::Sequence< css::uno::Any >
                getWrappedNamedValues() const
        {
            return impl_wrap< css::beans::NamedValue >();
        }

        css::uno::Sequence< css::beans::NamedValue >
                getNamedValues() const
        {
            css::uno::Sequence< css::beans::NamedValue > aValues;
            *this >>= aValues;
            return aValues;
        }

    private:
        void    impl_assign( const css::uno::Any& i_rWrappedElements );
        void    impl_assign( const css::uno::Sequence< css::uno::Any >& _rArguments );
        void    impl_assign( const css::uno::Sequence< css::beans::PropertyValue >& _rArguments );
        void    impl_assign( const css::uno::Sequence< css::beans::NamedValue >& _rArguments );

        bool    get_ensureType(
                    const OUString& _rValueName,
                    void* _pValueLocation,
                    const css::uno::Type& _rExpectedValueType
                ) const;

        const css::uno::Any&
                impl_get( const OUString& _rValueName ) const;

        bool    impl_has( const OUString& _rValueName ) const;

        bool    impl_put( const OUString& _rValueName, const css::uno::Any& _rValue );

        bool    impl_remove( const OUString& _rValueName );

        template< class VALUE_TYPE >
        css::uno::Sequence< css::uno::Any > impl_wrap() const
        {
            css::uno::Sequence< VALUE_TYPE > aValues;
            *this >>= aValues;
            css::uno::Sequence< css::uno::Any > aWrappedValues( aValues.getLength() );

            css::uno::Any* pO = aWrappedValues.getArray();
            const VALUE_TYPE* pV = aValues.getConstArray();
            const sal_Int32 nLen = aValues.getLength();
            for( sal_Int32 i = 0; i < nLen; ++i )
                *(pO++) = css::uno::makeAny<VALUE_TYPE>( *(pV++) );

            return aWrappedValues;
        }
    };


} // namespace comphelper


#endif // INCLUDED_COMPHELPER_NAMEDVALUECOLLECTION_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */