| 1 | /* |
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| 2 | This file is part of the KDE project |
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| 3 | SPDX-FileCopyrightText: 2009 David Faure <faure@kde.org> |
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| 4 | |
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| 5 | SPDX-License-Identifier: LGPL-2.0-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef KSYCOCADEVICES_P_H |
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| 9 | #define KSYCOCADEVICES_P_H |
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| 10 | |
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| 11 | #include <config-ksycoca.h> |
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| 12 | #include <stdlib.h> |
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| 13 | // TODO: remove mmap() from kdewin32 and use QFile::mmap() when needed |
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| 14 | #ifdef Q_OS_WIN |
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| 15 | #define HAVE_MMAP 0 |
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| 16 | #endif |
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| 17 | |
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| 18 | class QString; |
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| 19 | class QDataStream; |
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| 20 | class QBuffer; |
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| 21 | class QFile; |
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| 22 | class QIODevice; |
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| 23 | class KMemFile; |
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| 24 | |
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| 25 | class KSycocaAbstractDevice |
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| 26 | { |
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| 27 | public: |
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| 28 | KSycocaAbstractDevice() |
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| 29 | : m_stream(nullptr) |
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| 30 | { |
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| 31 | } |
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| 32 | |
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| 33 | virtual ~KSycocaAbstractDevice(); |
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| 34 | |
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| 35 | virtual QIODevice *device() = 0; |
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| 36 | |
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| 37 | QDataStream *&stream(); |
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| 38 | |
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| 39 | private: |
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| 40 | QDataStream *m_stream; |
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| 41 | }; |
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| 42 | |
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| 43 | #if HAVE_MMAP |
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| 44 | // Reading from a mmap'ed file |
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| 45 | class KSycocaMmapDevice : public KSycocaAbstractDevice |
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| 46 | { |
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| 47 | public: |
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| 48 | KSycocaMmapDevice(const char *sycoca_mmap, size_t sycoca_size); |
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| 49 | ~KSycocaMmapDevice() override; |
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| 50 | QIODevice *device() override; |
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| 51 | |
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| 52 | private: |
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| 53 | QBuffer *m_buffer; |
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| 54 | }; |
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| 55 | #endif |
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| 56 | |
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| 57 | // Reading from a QFile |
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| 58 | class KSycocaFileDevice : public KSycocaAbstractDevice |
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| 59 | { |
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| 60 | public: |
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| 61 | explicit KSycocaFileDevice(const QString &path); |
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| 62 | ~KSycocaFileDevice() override; |
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| 63 | QIODevice *device() override; |
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| 64 | |
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| 65 | private: |
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| 66 | QFile *m_database; |
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| 67 | }; |
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| 68 | |
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| 69 | #ifndef QT_NO_SHAREDMEMORY |
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| 70 | // Reading from a KMemFile |
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| 71 | class KSycocaMemFileDevice : public KSycocaAbstractDevice |
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| 72 | { |
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| 73 | public: |
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| 74 | explicit KSycocaMemFileDevice(const QString &path); |
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| 75 | ~KSycocaMemFileDevice() override; |
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| 76 | QIODevice *device() override; |
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| 77 | |
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| 78 | private: |
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| 79 | KMemFile *m_database; |
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| 80 | }; |
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| 81 | #endif |
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| 82 | |
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| 83 | // Reading from a dummy memory buffer |
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| 84 | class KSycocaBufferDevice : public KSycocaAbstractDevice |
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| 85 | { |
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| 86 | public: |
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| 87 | KSycocaBufferDevice(); |
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| 88 | ~KSycocaBufferDevice() override; |
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| 89 | QIODevice *device() override; |
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| 90 | |
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| 91 | private: |
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| 92 | QBuffer *m_buffer; |
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| 93 | }; |
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| 94 | |
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| 95 | #endif /* KSYCOCADEVICES_P_H */ |
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| 96 | |
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