Mercurial > hg > svcore
view rdf/PluginRDFIndexer.h @ 1165:d57f9344db19
Check for plugin loadability before trying to load in the main process (POSIX only so far)
author | Chris Cannam |
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date | Mon, 11 Jan 2016 14:18:56 +0000 |
parents | c789deb83bd4 |
children | ad5f892c0c4d |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2008 QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef _PLUGIN_RDF_INDEXER_H_ #define _PLUGIN_RDF_INDEXER_H_ #include <QString> #include <QStringList> #include <QMutex> #include <map> #include <set> namespace Dataquay { class BasicStore; } class PluginRDFIndexer { public: static PluginRDFIndexer *getInstance(); /** * Index all URLs obtained from index files defined in the current * settings. In contrast to indexing URLs that are installed * locally alongside plugins, this is not done automatically * because it may incur significant processing and networking * effort. It could be called from a background thread at * startup, for example. * * Note that this class has a single mutex, so other functions * will block if called from a different thread while this one is * running. */ bool indexConfiguredURLs(); bool indexURL(QString url); // in addition to "installed" URLs QString getURIForPluginId(QString pluginId); QString getIdForPluginURI(QString uri); QStringList getIndexedPluginIds(); const Dataquay::BasicStore *getIndex(); ~PluginRDFIndexer(); protected: PluginRDFIndexer(); QMutex m_mutex; typedef std::map<QString, QString> StringMap; StringMap m_uriToIdMap; StringMap m_idToUriMap; void indexInstalledURLs(); bool pullFile(QString path); bool pullURL(QString urlString); bool reindex(); Dataquay::BasicStore *m_index; static PluginRDFIndexer *m_instance; }; #endif