| 1 | // Copyright (C) 2018 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QQMLPREVIEWBLACKLIST_H |
| 5 | #define QQMLPREVIEWBLACKLIST_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtCore/qhash.h> |
| 19 | #include <QtCore/qchar.h> |
| 20 | #include <QtCore/qstring.h> |
| 21 | #include <algorithm> |
| 22 | |
| 23 | QT_BEGIN_NAMESPACE |
| 24 | |
| 25 | class QQmlPreviewBlacklist |
| 26 | { |
| 27 | public: |
| 28 | void blacklist(const QString &path); |
| 29 | void whitelist(const QString &path); |
| 30 | bool isBlacklisted(const QString &path) const; |
| 31 | void clear(); |
| 32 | |
| 33 | private: |
| 34 | class Node { |
| 35 | public: |
| 36 | enum PrefixResult { |
| 37 | MatchedLeaf, |
| 38 | MatchedBranch, |
| 39 | Unmatched, |
| 40 | }; |
| 41 | |
| 42 | Node(); |
| 43 | Node(const Node &other); |
| 44 | Node(Node &&other) noexcept; |
| 45 | |
| 46 | ~Node(); |
| 47 | |
| 48 | Node &operator=(const Node &other); |
| 49 | Node &operator=(Node &&other) noexcept; |
| 50 | |
| 51 | void split(QString::iterator it, QString::iterator end); |
| 52 | void insert(const QString &path, int offset); |
| 53 | void remove(const QString &path, int offset); |
| 54 | PrefixResult findPrefix(const QString &path, int offset) const; |
| 55 | |
| 56 | private: |
| 57 | Node(const QString &mine, const QHash<QChar, Node *> &next = QHash<QChar, Node *>(), |
| 58 | bool isLeaf = true); |
| 59 | |
| 60 | QString m_mine; |
| 61 | QHash<QChar, Node *> m_next; |
| 62 | bool m_isLeaf = false; |
| 63 | }; |
| 64 | |
| 65 | Node m_root; |
| 66 | }; |
| 67 | |
| 68 | QT_END_NAMESPACE |
| 69 | |
| 70 | #endif // QQMLPREVIEWBLACKLIST_H |
| 71 |