240 lines
9.2 KiB
C++
240 lines
9.2 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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#pragma once
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#include "docary.hxx"
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#include "frmfmt.hxx"
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#include "swtblfmt.hxx"
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#include <boost/multi_index_container.hpp>
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#include <boost/multi_index/composite_key.hpp>
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#include <boost/multi_index/identity.hpp>
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#include <boost/multi_index/mem_fun.hpp>
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#include <boost/multi_index/ordered_index.hpp>
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#include <boost/multi_index/random_access_index.hpp>
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#include <boost/multi_index/tag.hpp>
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#include <libxml/xmlstring.h>
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#include <libxml/xmlwriter.h>
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class SwFrameFormat;
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class SwTableFormat;
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// Like o3tl::find_partialorder_ptrequals
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// We don't allow duplicated object entries!
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namespace sw
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{
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template <class value_type> class FrameFormats final : public SwFormatsBase
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{
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struct ByPos
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{
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};
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struct ByTypeAndName
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{
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};
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struct FrameFormatsKey
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: boost::multi_index::composite_key<
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value_type,
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boost::multi_index::const_mem_fun<SwFormat, const OUString&, &SwFormat::GetName>,
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boost::multi_index::const_mem_fun<SwFormat, sal_uInt16, &SwFormat::Which>,
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boost::multi_index::identity<value_type> // the actual object pointer
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>
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{
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};
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typedef boost::multi_index_container<
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value_type, boost::multi_index::indexed_by<
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boost::multi_index::random_access<boost::multi_index::tag<ByPos>>,
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boost::multi_index::ordered_unique<boost::multi_index::tag<ByTypeAndName>,
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FrameFormatsKey>>>
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FrameFormatsContainer;
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// function updating ByName index via modify
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friend class ::SwFrameFormat;
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public:
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// getting from T* to T const* ...
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typedef typename std::add_pointer<
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typename std::add_const<typename std::remove_pointer<value_type>::type>::type>::type
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const_value_type;
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typedef typename FrameFormatsContainer::size_type size_type;
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typedef typename FrameFormatsContainer::template index<ByPos>::type index_type;
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typedef typename index_type::iterator iterator;
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typedef typename index_type::const_iterator const_iterator;
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typedef typename FrameFormatsContainer::template index<ByTypeAndName>::type name_index_type;
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typedef typename name_index_type::iterator name_iterator;
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typedef typename name_index_type::const_iterator const_name_iterator;
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typedef typename std::pair<const_name_iterator, const_name_iterator> range_type;
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private:
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FrameFormatsContainer m_vContainer;
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index_type& GetByPos() { return m_vContainer.template get<ByPos>(); }
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name_index_type& GetByTypeAndName() { return m_vContainer.template get<ByTypeAndName>(); }
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const index_type& GetByPos() const { return m_vContainer.template get<ByPos>(); }
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const name_index_type& GetByTypeAndName() const
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{
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return m_vContainer.template get<ByTypeAndName>();
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}
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public:
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FrameFormats(){};
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// frees all SwFrameFormat!
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virtual ~FrameFormats() override { DeleteAndDestroyAll(); };
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bool empty() const { return m_vContainer.empty(); }
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size_t size() const { return m_vContainer.size(); }
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// Only fails, if you try to insert the same object twice
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std::pair<const_iterator, bool> push_back(const value_type& x)
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{
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SAL_WARN_IF(x->m_ffList != nullptr, "sw.core", "Inserting already assigned item");
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assert(x->m_ffList == nullptr);
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x->m_ffList = this;
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return GetByPos().push_back(const_cast<value_type>(x));
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};
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// This will try to remove the exact object!
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bool erase(const value_type& x)
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{
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const_iterator const ret = find(x);
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SAL_WARN_IF(x->m_ffList != this, "sw.core", "Removing invalid / unassigned item");
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if (ret != end())
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{
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assert(x == *ret);
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x->m_ffList = nullptr;
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GetByPos().erase(ret);
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return true;
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}
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return false;
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};
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void erase(size_type index) { erase(begin() + index); };
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void erase(const_iterator const& position)
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{
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(*position)->m_ffList = nullptr;
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GetByPos().erase(begin() + (position - begin()));
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}
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// Get the iterator of the exact object (includes pointer!),
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// e.g for position with std::distance.
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// There is also ContainsFormat, if you don't need the position.
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const_iterator find(const value_type& x) const
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{
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auto it = GetByTypeAndName().find(std::make_tuple(x->GetName(), x->Which(), x));
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return m_vContainer.template project<ByPos>(it);
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};
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const_name_iterator findByTypeAndName(sal_uInt16 type, const OUString& name) const
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{
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return GetByTypeAndName().find(std::make_tuple(name, type));
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};
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// search for formats by name
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range_type findRangeByName(const OUString& rName) const
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{
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auto& idx = GetByTypeAndName();
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auto it = idx.lower_bound(std::make_tuple(rName, sal_uInt16(0)));
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auto itEnd = idx.upper_bound(std::make_tuple(rName, SAL_MAX_UINT16));
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return { it, itEnd };
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};
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// So we can actually check for end()
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const_name_iterator typeAndNameEnd() const { return GetByTypeAndName().end(); }
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const value_type& operator[](size_t index) const { return GetByPos().operator[](index); }
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const value_type& front() const { return GetByPos().front(); }
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const value_type& back() const { return GetByPos().back(); }
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const_iterator begin() const { return GetByPos().begin(); }
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const_iterator end() const { return GetByPos().end(); }
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void dumpAsXml(xmlTextWriterPtr pWriter, const char* pName) const
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{
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(void)xmlTextWriterStartElement(pWriter, BAD_CAST(pName));
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for (const auto pFormat : GetByPos())
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pFormat->dumpAsXml(pWriter);
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(void)xmlTextWriterEndElement(pWriter);
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};
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virtual size_t GetFormatCount() const override { return m_vContainer.size(); }
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virtual SwFormat* GetFormat(size_t idx) const override
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{
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return const_cast<value_type&>(operator[](idx));
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};
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virtual void Rename(const SwFrameFormat& rFormat, const OUString& sNewName) override
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{
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assert(dynamic_cast<value_type>(const_cast<SwFrameFormat*>(&rFormat)));
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iterator it = find(static_cast<value_type>(const_cast<SwFrameFormat*>(&rFormat)));
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assert(end() != it);
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const auto sOldName = rFormat.GetName();
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auto fRenamer
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= [sNewName](SwFormat* pFormat) { pFormat->SwFormat::SetFormatName(sNewName, false); };
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auto fRenamerUndo
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= [sOldName](SwFormat* pFormat) { pFormat->SwFormat::SetFormatName(sOldName, false); };
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bool const renamed = GetByPos().modify(it, fRenamer, fRenamerUndo);
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assert(renamed);
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(void)renamed; // unused in NDEBUG
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};
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/// fast check if given format is contained here
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/// @precond pFormat must not have been deleted
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bool ContainsFormat(const value_type& rpFormat) const { return rpFormat->m_ffList == this; };
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/// not so fast check that given format is still alive (i.e. contained here)
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bool IsAlive(const_value_type pFrameFormat) const
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{
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auto pThisNonConst
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= const_cast<typename std::remove_const<sw::FrameFormats<value_type>>::type*>(this);
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return pThisNonConst->find(const_cast<value_type>(pFrameFormat)) != pThisNonConst->end();
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};
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void DeleteAndDestroyAll(bool keepDefault = false)
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{
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if (empty())
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return;
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const int offset = keepDefault ? 1 : 0;
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for (const_iterator it = begin() + offset; it != end(); ++it)
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delete *it;
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if (offset)
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GetByPos().erase(begin() + offset, end());
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else
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m_vContainer.clear();
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};
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bool newDefault(const value_type& x)
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{
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std::pair<iterator, bool> res = GetByPos().push_front(const_cast<value_type&>(x));
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if (!res.second)
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newDefault(res.first);
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return res.second;
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};
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void newDefault(const_iterator const& position)
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{
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if (position == begin())
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return;
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GetByPos().relocate(begin(), position);
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};
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// Override return type to reduce casting
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value_type FindFrameFormatByName(const OUString& rName) const
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{
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auto& idx = GetByTypeAndName();
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auto it = idx.lower_bound(std::make_tuple(rName, sal_uInt16(0)));
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if (it != idx.end() && (*it)->GetName() == rName)
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return *it;
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return nullptr;
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};
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};
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typedef FrameFormats<::SwTableFormat*> TableFrameFormats;
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typedef FrameFormats<sw::SpzFrameFormat*> SpzFrameFormats;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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