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// Copyright (C) 2016 Jochen Becher
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "parameters.h"
#include "tag.h"
#include <QList>
#include <QHash>
namespace qark {
static Flag ENFORCE_REFERENCED_ITEMS;
// QList
template<class Archive, class T>
inline void save(Archive &archive, const QList<T> &list, const Parameters &)
{
archive << tag("qlist");
for (const T &t : list)
archive << attr("item", t);
archive << end;
}
template<class Archive, class T>
inline void save(Archive &archive, const QList<T *> &list, const Parameters ¶meters)
{
archive << tag("qlist");
if (parameters.hasFlag(ENFORCE_REFERENCED_ITEMS)) {
for (const T *t : list)
archive << ref("item", t);
} else {
for (const T *t : list)
archive << attr("item", t);
}
archive << end;
}
template<class Archive, class T>
inline void load(Archive &archive, QList<T> &list, const Parameters &)
{
archive >> tag("qlist");
void (QList<T>::*appendMethod)(const T &) = &QList<T>::append;
archive >> attr("item", list, appendMethod);
archive >> end;
}
template<class Archive, class T>
inline void load(Archive &archive, QList<T *> &list, const Parameters ¶meters)
{
archive >> tag("qlist");
if (parameters.hasFlag(ENFORCE_REFERENCED_ITEMS)) {
// why does the following line not compile but the line below selects the correct function?
//archive >> ref<QList<T *>, T * const &>("item", list, &QList<T *>::append);
archive >> ref("item", list, &QList<T *>::append);
} else {
using ParameterType = typename QList<T *>::parameter_type;
void (QList<T *>::*appendMethod)(ParameterType) = &QList<T *>::append;
archive >> attr("item", list, appendMethod);
}
archive >> end;
}
// QSet
template<class Archive, class T>
inline void save(Archive &archive, const QSet<T> &set, const Parameters &)
{
archive << tag("qset");
for (const T &t : set)
archive << attr("item", t);
archive << end;
}
template<class Archive, class T>
inline void save(Archive &archive, const QSet<T *> &set, const Parameters ¶meters)
{
archive << tag("qset");
if (parameters.hasFlag(ENFORCE_REFERENCED_ITEMS)) {
for (const T *t : set)
archive << ref("item", t);
} else {
for (const T *t : set)
archive << attr("item", t);
}
archive << end;
}
namespace impl {
template<typename T>
void insertIntoSet(QSet<T> &set, const T &t) {
set.insert(t);
}
} // namespace impl
template<class Archive, class T>
inline void load(Archive &archive, QSet<T> &set, const Parameters &)
{
archive >> tag("qset");
archive >> attr("item", set, &impl::insertIntoSet<T>);
archive >> end;
}
template<class Archive, class T>
inline void load(Archive &archive, QSet<T *> &set, const Parameters ¶meters)
{
archive >> tag("qset");
if (parameters.hasFlag(ENFORCE_REFERENCED_ITEMS))
archive >> ref("item", set, &impl::insertIntoSet<T *>);
else
archive >> attr("item", set, &impl::insertIntoSet<T *>);
archive >> end;
}
// QHash
namespace impl {
template<typename KEY, typename VALUE>
class KeyValuePair
{
public:
KeyValuePair() = default;
KeyValuePair(const KEY &key, const VALUE &value) : m_key(key), m_value(value) { }
KEY m_key;
VALUE m_value;
};
} // namespace impl
template<class Archive, class KEY, class VALUE>
inline void save(Archive &archive, const impl::KeyValuePair<KEY, VALUE> &pair, const Parameters &)
{
archive << tag("pair")
<< attr("key", pair.m_key)
<< attr("value", pair.m_value)
<< end;
}
template<class Archive, class KEY, class VALUE>
inline void load(Archive &archive, impl::KeyValuePair<KEY, VALUE> &pair, const Parameters &)
{
archive >> tag("pair")
>> attr("key", pair.m_key)
>> attr("value", pair.m_value)
>> end;
}
template<class Archive, class KEY, class VALUE>
inline void save(Archive &archive, const QHash<KEY, VALUE> &hash, const Parameters &)
{
archive << tag("qhash");
for (auto it = hash.begin(); it != hash.end(); ++it) {
impl::KeyValuePair<KEY, VALUE> pair(it.key(), it.value());
archive << attr("item", pair);
}
archive << end;
}
namespace impl {
template<class KEY, class VALUE>
inline void keyValuePairInsert(QHash<KEY, VALUE> &hash, const KeyValuePair<KEY, VALUE> &pair)
{
hash.insert(pair.m_key, pair.m_value);
}
} // namespace impl
template<class Archive, class KEY, class VALUE>
inline void load(Archive &archive, QHash<KEY, VALUE> &hash, const Parameters &)
{
archive >> tag("qhash");
archive >> attr("item", hash, &impl::keyValuePairInsert<KEY, VALUE>);
archive >> end;
}
} // namespace qark
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