ea93670372
where it was obsoleted by commits2484de6728(Remove non-const Sequence::begin()/end() in internal code, 2021-10-15) andfb3c04bd19(Drop non-const Sequence::operator[] in internal code 2021-11-05). Change-Id: I4ccc647bb794515c8c11f8dfd9a26563f4aa094b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166819 Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com> Tested-by: Jenkins
318 lines
12 KiB
C++
318 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_COMPHELPER_NAMEDVALUECOLLECTION_HXX
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#define INCLUDED_COMPHELPER_NAMEDVALUECOLLECTION_HXX
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#include <comphelper/comphelperdllapi.h>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/uno/Any.hxx>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <com/sun/star/beans/NamedValue.hpp>
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#include <vector>
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#include <unordered_map>
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namespace comphelper
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{
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// = NamedValueCollection
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/** a collection of named values, packed in various formats.
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*/
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class COMPHELPER_DLLPUBLIC NamedValueCollection
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{
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std::unordered_map< OUString, css::uno::Any > maValues;
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public:
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NamedValueCollection() = default;
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NamedValueCollection( const NamedValueCollection& _rCopySource ) = default;
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NamedValueCollection(NamedValueCollection&& _rCopySource) noexcept = default;
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NamedValueCollection& operator=( const NamedValueCollection& i_rCopySource ) = default;
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NamedValueCollection& operator=(NamedValueCollection&& i_rCopySource) noexcept = default;
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/** constructs a collection
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@param _rElements
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the wrapped elements of the collection. The @c Any might contain a sequence of
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property values, a sequence of named values, or directly a property value or named value.
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All other cases are worth an assertion in non-product builds.
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*/
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NamedValueCollection( const css::uno::Any& _rElements );
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/** constructs a collection
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@param _rArguments
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a sequence of Any's containing either PropertyValue's or NamedValue's.
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*/
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NamedValueCollection( const css::uno::Sequence< css::uno::Any >& _rArguments );
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/** constructs a collection
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@param _rArguments
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a sequence of PropertyValues's
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*/
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NamedValueCollection( const css::uno::Sequence< css::beans::PropertyValue >& _rArguments );
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/** constructs a collection
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@param _rArguments
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a sequence of NamedValue's
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*/
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NamedValueCollection( const css::uno::Sequence< css::beans::NamedValue >& _rArguments );
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void assign( const css::uno::Sequence< css::uno::Any >& _rArguments )
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{
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impl_assign( _rArguments );
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}
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void clear()
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{
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impl_assign( css::uno::Sequence< css::beans::NamedValue >() );
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}
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/** determines whether or not named values can be extracted from the given value
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@return
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true if and only if the given @c Any contains a @c NamedValue, a
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@c PropertyValue, or a sequence thereof.
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*/
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static bool canExtractFrom( css::uno::Any const & i_value );
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/// returns the number of elements in the collection
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size_t size() const;
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/// determines whether the collection is empty
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bool empty() const;
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/** returns the names of all elements in the collection
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*/
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::std::vector< OUString >
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getNames() const;
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/** merges the content of another collection into @c this
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@param _rAdditionalValues
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the collection whose values are to be merged
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@param _bOverwriteExisting
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defines whether or not elements which are already present in @c this
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should be overwritten (true) or preserved (false).
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@return @c *this
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*/
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NamedValueCollection&
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merge(
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const NamedValueCollection& _rAdditionalValues,
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bool _bOverwriteExisting
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);
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/** retrieves a value with a given name from the collection, if it is present
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@param _pAsciiValueName
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the ASCII name of the value to retrieve
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@param _out_rValue
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is the output parameter taking the desired value upon successful return. If
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a value with the given name is not present in the collection, or if a wrong-typed
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value is present, then this parameter will not be touched.
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@retval
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true if there is a value with the given name, which could successfully
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be extracted. In this case, @c _out_rValue will contain the requested
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value.
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@retval
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false, if there is no value with the given name.
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@throws IllegalArgumentException
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in case there is a value with the given name, but it cannot legally assigned to
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_out_rValue.
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*/
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template < typename VALUE_TYPE >
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bool get_ensureType( const OUString& _rValueName, VALUE_TYPE& _out_rValue ) const
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{
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return get_ensureType( _rValueName, &_out_rValue, ::cppu::UnoType< VALUE_TYPE >::get() );
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}
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/** retrieves a value with a given name, or defaults it to a given value, if it's not present
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in the collection
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*/
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template < typename VALUE_TYPE >
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VALUE_TYPE getOrDefault( const OUString& _rValueName, const VALUE_TYPE& _rDefault ) const
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{
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VALUE_TYPE retVal( _rDefault );
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get_ensureType( _rValueName, retVal );
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return retVal;
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}
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/** Retrieves a value with a given name, or defaults it to a given value, if it's not present
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in the collection.
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For when you only need a single value from a Sequence<PropertyValue>.
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*/
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template < typename VALUE_TYPE >
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static VALUE_TYPE getOrDefault( const css::uno::Sequence<css::beans::PropertyValue> & rPropSeq,
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std::u16string_view _rValueName, const VALUE_TYPE& _rDefault )
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{
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VALUE_TYPE retVal( _rDefault );
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get_ensureType( rPropSeq, _rValueName, &retVal, ::cppu::UnoType< VALUE_TYPE >::get() );
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return retVal;
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}
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/** retrieves a (untyped) value with a given name
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If the collection does not contain a value with the given name, an empty
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Any is returned.
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*/
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const css::uno::Any& get( const OUString& _rValueName ) const
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{
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return impl_get( _rValueName );
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}
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/** retrieves a (untyped) value with a given name. For when you only need a single value from a Sequence<PropertyValue>.
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If the collection does not contain a value with the given name, an empty
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Any is returned.
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*/
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static const css::uno::Any& get( const css::uno::Sequence<css::beans::PropertyValue>& rPropSeq, std::u16string_view _rValueName );
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/// determines whether a value with a given name is present in the collection
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bool has( const OUString& _rValueName ) const
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{
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return impl_has( _rValueName );
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}
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/** puts a value into the collection
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@return true if and only if a value was already present previously, in
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which case it has been overwritten.
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*/
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template < typename VALUE_TYPE >
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bool put( const OUString& _rValueName, const VALUE_TYPE& _rValue )
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{
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return impl_put( _rValueName, css::uno::Any( _rValue ) );
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}
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bool put( const OUString& _rValueName, const css::uno::Any& _rValue )
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{
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return impl_put( _rValueName, _rValue );
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}
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/** removes the value with the given name from the collection
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@return true if and only if a value with the given name existed in the collection.
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*/
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bool remove( const OUString& _rValueName )
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{
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return impl_remove( _rValueName );
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}
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/** transforms the collection to a sequence of PropertyValues
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@return
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the number of elements in the sequence
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*/
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sal_Int32 operator >>= ( css::uno::Sequence< css::beans::PropertyValue >& _out_rValues ) const;
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/** transforms the collection to a sequence of NamedValues
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@return
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the number of elements in the sequence
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*/
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sal_Int32 operator >>= ( css::uno::Sequence< css::beans::NamedValue >& _out_rValues ) const;
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/** transforms the collection into a sequence of PropertyValues
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*/
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css::uno::Sequence< css::beans::PropertyValue >
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getPropertyValues() const
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{
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css::uno::Sequence< css::beans::PropertyValue > aValues;
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*this >>= aValues;
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return aValues;
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}
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/** returns a Sequence< Any >, containing PropertyValues
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*/
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css::uno::Sequence< css::uno::Any >
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getWrappedPropertyValues() const
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{
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return impl_wrap< css::beans::PropertyValue >();
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}
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/** returns a Sequence< Any >, containing NamedValues
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*/
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css::uno::Sequence< css::uno::Any >
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getWrappedNamedValues() const
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{
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return impl_wrap< css::beans::NamedValue >();
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}
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/** transforms the collection into a sequence of NamedValues
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*/
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css::uno::Sequence< css::beans::NamedValue >
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getNamedValues() const
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{
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css::uno::Sequence< css::beans::NamedValue > aValues;
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*this >>= aValues;
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return aValues;
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}
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private:
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void impl_assign( const css::uno::Any& i_rWrappedElements );
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void impl_assign( const css::uno::Sequence< css::uno::Any >& _rArguments );
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void impl_assign( const css::uno::Sequence< css::beans::PropertyValue >& _rArguments );
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void impl_assign( const css::uno::Sequence< css::beans::NamedValue >& _rArguments );
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bool get_ensureType(
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const OUString& _rValueName,
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void* _pValueLocation,
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const css::uno::Type& _rExpectedValueType
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) const;
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static bool get_ensureType(
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const css::uno::Sequence<css::beans::PropertyValue> & rPropSeq,
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std::u16string_view _rValueName,
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void* _pValueLocation,
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const css::uno::Type& _rExpectedValueType
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);
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const css::uno::Any&
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impl_get( const OUString& _rValueName ) const;
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bool impl_has( const OUString& _rValueName ) const;
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bool impl_put( const OUString& _rValueName, const css::uno::Any& _rValue );
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bool impl_remove( const OUString& _rValueName );
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template< class VALUE_TYPE >
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css::uno::Sequence< css::uno::Any > impl_wrap() const
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{
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css::uno::Sequence< VALUE_TYPE > aValues;
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*this >>= aValues;
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css::uno::Sequence< css::uno::Any > aWrappedValues( aValues.getLength() );
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std::transform(aValues.begin(), aValues.end(), aWrappedValues.getArray(),
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[](const auto& val) { return css::uno::Any(val); });
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return aWrappedValues;
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}
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};
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} // namespace comphelper
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#endif // INCLUDED_COMPHELPER_NAMEDVALUECOLLECTION_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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