| @@ -1,29 +1,82 | |||||
| 1 | #include <Plugin/PluginManager.h> |
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1 | #include <Plugin/PluginManager.h> | |
| 2 |
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2 | |||
| 3 | #include <Plugin/IPlugin.h> |
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3 | #include <Plugin/IPlugin.h> | |
| 4 |
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4 | |||
| 5 | #include <QDir> |
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5 | #include <QDir> | |
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6 | #include <QLibrary> | |||
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7 | #include <QPluginLoader> | |||
| 6 |
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8 | |||
| 7 | Q_LOGGING_CATEGORY(LOG_PluginManager, "PluginManager") |
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9 | Q_LOGGING_CATEGORY(LOG_PluginManager, "PluginManager") | |
| 8 |
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10 | |||
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11 | namespace { | |||
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12 | ||||
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13 | /// Key for retrieving metadata of the plugin | |||
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14 | const auto PLUGIN_METADATA_KEY = QStringLiteral("MetaData"); | |||
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15 | ||||
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16 | /// Key for retrieving the name of the plugin in its metadata | |||
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17 | const auto PLUGIN_NAME_KEY = QStringLiteral("name"); | |||
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18 | ||||
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19 | } // namespace | |||
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20 | ||||
| 9 | struct PluginManager::PluginManagerPrivate { |
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21 | struct PluginManager::PluginManagerPrivate { | |
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22 | /** | |||
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23 | * Loads a single plugin into SciQlop. The method has no effect if the plugin is malformed (e.g. | |||
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24 | * wrong library type, missing metadata, etc.) | |||
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25 | * @param pluginPath the path to the plugin library. | |||
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26 | */ | |||
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27 | void loadPlugin(const QString &pluginPath) | |||
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28 | { | |||
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29 | qCDebug(LOG_PluginManager()) | |||
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30 | << QObject::tr("Attempting to load file '%1' as a plugin").arg(pluginPath); | |||
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31 | ||||
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32 | if (QLibrary::isLibrary(pluginPath)) { | |||
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33 | QPluginLoader pluginLoader{pluginPath}; | |||
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34 | ||||
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35 | // Retrieving the plugin name to check if it can be loaded (i.e. no plugin with the same | |||
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36 | // name has been registered yet) | |||
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37 | auto metadata = pluginLoader.metaData().value(PLUGIN_METADATA_KEY).toObject(); | |||
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38 | auto pluginName = metadata.value(PLUGIN_NAME_KEY).toString(); | |||
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39 | ||||
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40 | if (pluginName.isEmpty()) { | |||
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41 | /// @todo ALX : log error | |||
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42 | } | |||
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43 | else if (m_RegisteredPlugins.contains(pluginName)) { | |||
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44 | /// @todo ALX : log error | |||
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45 | } | |||
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46 | else { | |||
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47 | if (auto pluginInstance = qobject_cast<IPlugin *>(pluginLoader.instance())) { | |||
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48 | pluginInstance->initialize(); | |||
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49 | m_RegisteredPlugins.insert(pluginName, pluginPath); | |||
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50 | } | |||
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51 | else { | |||
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52 | /// @todo ALX : log error | |||
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53 | } | |||
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54 | } | |||
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55 | } | |||
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56 | else { | |||
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57 | /// @todo ALX : log error | |||
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58 | } | |||
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59 | } | |||
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60 | ||||
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61 | /// Registered plugins (key: plugin name, value: plugin path) | |||
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62 | QHash<QString, QString> m_RegisteredPlugins; | |||
| 10 | }; |
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63 | }; | |
| 11 |
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64 | |||
| 12 | PluginManager::PluginManager() : impl{spimpl::make_unique_impl<PluginManagerPrivate>()} |
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65 | PluginManager::PluginManager() : impl{spimpl::make_unique_impl<PluginManagerPrivate>()} | |
| 13 | { |
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66 | { | |
| 14 | } |
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67 | } | |
| 15 |
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68 | |||
| 16 | void PluginManager::loadPlugins(const QDir &pluginDir) |
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69 | void PluginManager::loadPlugins(const QDir &pluginDir) | |
| 17 | { |
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70 | { | |
| 18 | // Load plugins |
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71 | // Load plugins | |
| 19 | auto pluginInfoList = pluginDir.entryInfoList(QDir::Files, QDir::Name); |
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72 | auto pluginInfoList = pluginDir.entryInfoList(QDir::Files, QDir::Name); | |
| 20 | for (auto pluginInfo : qAsConst(pluginInfoList)) { |
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73 | for (auto pluginInfo : qAsConst(pluginInfoList)) { | |
| 21 | /// @todo ALX |
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74 | impl->loadPlugin(pluginInfo.absoluteFilePath()); | |
| 22 | } |
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75 | } | |
| 23 | } |
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76 | } | |
| 24 |
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77 | |||
| 25 | int PluginManager::nbPluginsLoaded() const noexcept |
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78 | int PluginManager::nbPluginsLoaded() const noexcept | |
| 26 | { |
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79 | { | |
| 27 | /// @todo ALX |
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80 | /// @todo ALX | |
| 28 | return 0; |
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81 | return 0; | |
| 29 | } |
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82 | } | |
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