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