| 1 | /* |
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| 2 | This file is part of the KDE Baloo Project |
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| 3 | SPDX-FileCopyrightText: 2015 Vishesh Handa <vhanda@kde.org> |
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| 4 | |
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| 5 | SPDX-License-Identifier: LGPL-2.1-or-later |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef BALOO_ENGINEQUERY_H |
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| 9 | #define BALOO_ENGINEQUERY_H |
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| 10 | |
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| 11 | #include "engine_export.h" |
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| 12 | |
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| 13 | #include <QByteArray> |
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| 14 | #include <QVector> |
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| 15 | #include <QDebug> |
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| 16 | |
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| 17 | namespace Baloo { |
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| 18 | |
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| 19 | class BALOO_ENGINE_EXPORT EngineQuery |
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| 20 | { |
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| 21 | public: |
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| 22 | enum Operation { |
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| 23 | Equal, |
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| 24 | StartsWith, |
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| 25 | Phrase, |
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| 26 | }; |
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| 27 | |
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| 28 | EngineQuery(); |
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| 29 | EngineQuery(const QByteArray& term, Operation op = Equal); |
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| 30 | EngineQuery(const QVector<EngineQuery> &subQueries); |
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| 31 | |
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| 32 | QByteArray term() const { |
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| 33 | return m_term; |
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| 34 | } |
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| 35 | |
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| 36 | Operation op() const { |
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| 37 | return m_op; |
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| 38 | } |
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| 39 | |
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| 40 | void setOp(const Operation& op) { |
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| 41 | m_op = op; |
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| 42 | } |
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| 43 | |
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| 44 | bool leaf() const { |
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| 45 | return !m_term.isEmpty(); |
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| 46 | } |
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| 47 | |
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| 48 | bool empty() { |
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| 49 | return m_subQueries.isEmpty() && m_term.isEmpty(); |
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| 50 | } |
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| 51 | |
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| 52 | QVector<EngineQuery> subQueries() const { |
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| 53 | return m_subQueries; |
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| 54 | } |
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| 55 | |
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| 56 | bool operator ==(const EngineQuery& q) const { |
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| 57 | return m_term == q.m_term && m_op == q.m_op && m_subQueries == q.m_subQueries; |
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| 58 | } |
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| 59 | private: |
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| 60 | QByteArray m_term; |
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| 61 | Operation m_op; |
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| 62 | |
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| 63 | QVector<EngineQuery> m_subQueries; |
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| 64 | }; |
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| 65 | |
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| 66 | inline QDebug operator<<(QDebug d, const Baloo::EngineQuery& q) |
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| 67 | { |
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| 68 | QDebugStateSaver state(d); |
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| 69 | d.setAutoInsertSpaces(false); |
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| 70 | |
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| 71 | using Operation = Baloo::EngineQuery::Operation; |
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| 72 | if ((q.op() == Operation::Equal) || q.op() == Operation::StartsWith) { |
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| 73 | Q_ASSERT(q.subQueries().isEmpty()); |
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| 74 | return d << q.term() << (q.op() == Operation::StartsWith ? ".." : "" ); |
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| 75 | } |
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| 76 | |
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| 77 | Q_ASSERT(q.op() == Operation::Phrase); |
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| 78 | d << "[PHRASE" ; |
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| 79 | for (auto &sq : q.subQueries()) { |
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| 80 | d << " " << sq; |
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| 81 | } |
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| 82 | return d << "]" ; |
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| 83 | } |
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| 84 | |
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| 85 | /** |
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| 86 | * Helper for QTest |
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| 87 | * \sa QTest::toString |
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| 88 | * |
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| 89 | * @since: 5.70 |
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| 90 | */ |
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| 91 | inline char *toString(const EngineQuery& query) |
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| 92 | { |
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| 93 | QString buffer; |
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| 94 | QDebug stream(&buffer); |
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| 95 | stream << query; |
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| 96 | return qstrdup(buffer.toUtf8().constData()); |
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| 97 | } |
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| 98 | |
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| 99 | } // namespace Baloo |
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| 100 | #endif |
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| 101 | |
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