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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "itestframework.h"
#include "testtreeitem.h"
#include <QRegularExpression>
#include <QVariantHash>
#include <optional>
namespace Autotest {
namespace Internal {
template<class T>
class ItemDataCache
{
public:
void insert(ITestTreeItem *item, const T &value)
{
m_cache[item->cacheName()] = {0, value, item->testBase()->type()};
}
/* \a type represents an OR'ed value of ITestBase::TestBaseType */
void evolve(int type)
{
auto it = m_cache.begin(), end = m_cache.end();
while (it != end) {
if ((it->type & type) && it->generation++ >= maxGen)
it = m_cache.erase(it);
else
++it;
}
}
std::optional<T> get(ITestTreeItem *item)
{
auto entry = m_cache.find(item->cacheName());
if (entry == m_cache.end())
return std::nullopt;
entry->generation = 0;
return std::make_optional(entry->value);
};
void clear() { m_cache.clear(); }
bool isEmpty() const { return m_cache.isEmpty(); }
QVariantMap toSettings() const
{
QVariantMap result;
for (auto it = m_cache.cbegin(), end = m_cache.cend(); it != end; ++it)
result.insert(QString::number(it.value().type) + '@'
+ it.key(), QVariant::fromValue(it.value().value));
return result;
}
void fromSettings(const QVariantMap &stored)
{
const QRegularExpression regex("^((\\d+)@)?(.*)$");
m_cache.clear();
for (auto it = stored.cbegin(), end = stored.cend(); it != end; ++it) {
const QRegularExpressionMatch match = regex.match(it.key());
ITestBase::TestBaseType type = match.hasMatch()
? static_cast<ITestBase::TestBaseType>(match.captured(2).toInt())
: ITestBase::Framework;
m_cache[match.captured(3)] = {0, qvariant_cast<T>(it.value()), type};
}
}
private:
static constexpr int maxGen = 10;
struct Entry
{
int generation = 0;
T value;
ITestBase::TestBaseType type;
};
QHash<QString, Entry> m_cache;
};
} // namespace Internal
} // namespace Autotest
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