117 lines
2.6 KiB
C++
117 lines
2.6 KiB
C++
#ifndef ALPM_DATABASE_H
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#define ALPM_DATABASE_H
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#include "./repository.h"
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#include <QJsonArray>
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#include <QMutex>
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#include <QFuture>
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#include <memory>
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QT_FORWARD_DECLARE_CLASS(QNetworkRequest)
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namespace RepoIndex {
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class AlpmPackage;
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class AlpmDatabase;
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class LoadPackage;
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enum class DatabaseError
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{
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NoError,
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NotFound,
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NoAccess,
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UnableToOpenArchive,
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UnableToOpenDescFile,
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UnableToEnterDirectory
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};
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class AlpmPackageLoader : public PackageLoader
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{
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public:
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AlpmPackageLoader(AlpmDatabase *db, PackageOrigin origin);
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AlpmDatabase *database() const;
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DatabaseError error() const;
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private:
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AlpmDatabase *const m_db;
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DatabaseError m_error;
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QList<QPair<QString, QList<QByteArray> > > m_descriptions;
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CppUtilities::DateTime m_descriptionsLastModified;
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};
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/*!
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* \brief Returns the associated database.
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*/
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inline AlpmDatabase *AlpmPackageLoader::database() const
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{
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return m_db;
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}
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/*!
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* \brief Returns the error status.
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*/
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inline DatabaseError AlpmPackageLoader::error() const
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{
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return m_error;
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}
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class AlpmDatabase : public Repository
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{
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Q_OBJECT
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friend class AlpmPackageLoader;
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public:
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explicit AlpmDatabase(const QString &name, const QString &dbPath, RepositoryUsage usage, SignatureLevel sigLevel, std::uint32_t index = invalidIndex, QObject *parent = nullptr);
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AlpmPackageLoader *internalInit();
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RepositoryType type() const;
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PackageDetailAvailability requestsRequired(PackageDetail packageDetail) const;
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// database meta data
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const QString &databasePath() const;
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void setDatabasePath(const QString &dbPath);
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// updating/refreshing
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bool downloadDatabase(const QString &targetDir, bool filesDatabase = true);
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void refresh(const QString &targetDir);
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protected:
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std::unique_ptr<Package> emptyPackage();
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private slots:
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void databaseDownloadFinished();
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private:
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DatabaseError loadDescriptions(QList<QPair<QString, QList<QByteArray> > > &descriptions, CppUtilities::DateTime *lastModified = nullptr);
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QNetworkRequest regularDatabaseRequest();
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QNetworkRequest filesDatabaseRequest();
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QString m_dbPath;
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QString m_downloadTargetDir;
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QStringList m_regularRedirs;
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QStringList m_filesRedirs;
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};
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/*!
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* \brief Returns the path of the database directory/file.
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*/
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inline const QString &AlpmDatabase::databasePath() const
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{
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return m_dbPath;
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}
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/*!
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* \brief Sets the path of the database directory/file.
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* \remarks Does not invoke reinitialization using the new path.
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*/
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inline void AlpmDatabase::setDatabasePath(const QString &dbPath)
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{
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m_dbPath = dbPath;
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}
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} // namespace Alpm
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#endif // ALPM_DATABASE_H
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