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// Copyright (C) 2024 Jarek Kobus
// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "conditional.h"
QT_BEGIN_NAMESPACE
namespace Tasking {
static Group conditionRecipe(const Storage<bool> &bodyExecutedStorage, const ConditionData &condition)
{
const auto onSetup = [bodyExecutedStorage] {
return *bodyExecutedStorage ? SetupResult::StopWithSuccess : SetupResult::Continue;
};
const auto onBodyDone = [bodyExecutedStorage] { *bodyExecutedStorage = true; };
const Group bodyTask { condition.m_body, onGroupDone(onBodyDone) };
return {
onGroupSetup(onSetup),
condition.m_condition ? Group{ !*condition.m_condition || bodyTask } : bodyTask
};
}
static ExecutableItem conditionsRecipe(const QList<ConditionData> &conditions)
{
Storage<bool> bodyExecutedStorage;
GroupItems recipes;
for (const ConditionData &condition : conditions)
recipes << conditionRecipe(bodyExecutedStorage, condition);
return Group { bodyExecutedStorage, recipes };
}
ThenItem::operator ExecutableItem() const
{
return conditionsRecipe(m_conditions);
}
ThenItem::ThenItem(const If &ifItem, const Then &thenItem)
: m_conditions{{ifItem.m_condition, thenItem.m_body}}
{}
ThenItem::ThenItem(const ElseIfItem &elseIfItem, const Then &thenItem)
: m_conditions(elseIfItem.m_conditions)
{
m_conditions.append({elseIfItem.m_nextCondition, thenItem.m_body});
}
ElseItem::operator ExecutableItem() const
{
return conditionsRecipe(m_conditions);
}
ElseItem::ElseItem(const ThenItem &thenItem, const Else &elseItem)
: m_conditions(thenItem.m_conditions)
{
m_conditions.append({{}, elseItem.m_body});
}
ElseIfItem::ElseIfItem(const ThenItem &thenItem, const ElseIf &elseIfItem)
: m_conditions(thenItem.m_conditions)
, m_nextCondition(elseIfItem.m_condition)
{}
ThenItem operator>>(const If &ifItem, const Then &thenItem)
{
return {ifItem, thenItem};
}
ThenItem operator>>(const ElseIfItem &elseIfItem, const Then &thenItem)
{
return {elseIfItem, thenItem};
}
ElseIfItem operator>>(const ThenItem &thenItem, const ElseIf &elseIfItem)
{
return {thenItem, elseIfItem};
}
ElseItem operator>>(const ThenItem &thenItem, const Else &elseItem)
{
return {thenItem, elseItem};
}
} // namespace Tasking
QT_END_NAMESPACE
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