##// END OF EJS Templates
Adds {} to if blocks
Alexandre Leroux -
r619:451e5bdcb7d6
parent child
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@@ -1,124 +1,124
1 1 #include <Plugin/PluginManager.h>
2 2
3 3 #include <Plugin/IPlugin.h>
4 4
5 5 #include <QDir>
6 6 #include <QLibrary>
7 7 #include <QPluginLoader>
8 8
9 9 Q_LOGGING_CATEGORY(LOG_PluginManager, "PluginManager")
10 10
11 11 namespace {
12 12
13 13 /// Key for retrieving metadata of the plugin
14 14 const auto PLUGIN_METADATA_KEY = QStringLiteral("MetaData");
15 15
16 16 /// Key for retrieving the name of the plugin in its metadata
17 17 const auto PLUGIN_NAME_KEY = QStringLiteral("name");
18 18
19 19 /// Helper to state the plugin loading operation
20 20 struct LoadPluginState {
21 21 explicit LoadPluginState(const QString &pluginPath)
22 22 : m_PluginPath{pluginPath}, m_Valid{true}, m_ErrorMessage{}
23 23 {
24 24 }
25 25
26 26 void log() const
27 27 {
28 28 if (m_Valid) {
29 29 qCDebug(LOG_PluginManager())
30 30 << QObject::tr("File '%1' has been loaded as a plugin").arg(m_PluginPath);
31 31 }
32 32 else {
33 33 qCWarning(LOG_PluginManager())
34 34 << QObject::tr("File '%1' can't be loaded as a plugin: %2")
35 35 .arg(m_PluginPath)
36 36 .arg(m_ErrorMessage);
37 37 }
38 38 }
39 39
40 40 void setError(const QString &errorMessage)
41 41 {
42 42 m_Valid = false;
43 43 m_ErrorMessage = errorMessage;
44 44 }
45 45
46 46 QString m_PluginPath;
47 47 bool m_Valid;
48 48 QString m_ErrorMessage;
49 49 };
50 50
51 51 } // namespace
52 52
53 53 struct PluginManager::PluginManagerPrivate {
54 54 /**
55 55 * Loads a single plugin into SciQlop. The method has no effect if the plugin is malformed (e.g.
56 56 * wrong library type, missing metadata, etc.)
57 57 * @param pluginPath the path to the plugin library.
58 58 */
59 59 void loadPlugin(const QString &pluginPath)
60 60 {
61 61 qCDebug(LOG_PluginManager())
62 62 << QObject::tr("Attempting to load file '%1' as a plugin").arg(pluginPath);
63 63
64 64 LoadPluginState loadState{pluginPath};
65 65
66 66 if (QLibrary::isLibrary(pluginPath)) {
67 67 QPluginLoader pluginLoader{pluginPath};
68 68
69 69 // Retrieving the plugin name to check if it can be loaded (i.e. no plugin with the same
70 70 // name has been registered yet)
71 71 auto metadata = pluginLoader.metaData().value(PLUGIN_METADATA_KEY).toObject();
72 72 auto pluginName = metadata.value(PLUGIN_NAME_KEY).toString();
73 73
74 74 if (pluginName.isEmpty()) {
75 75 loadState.setError(QObject::tr("empty file name"));
76 76 }
77 77 else if (m_RegisteredPlugins.contains(pluginName)) {
78 78 loadState.setError(QObject::tr("name '%1' already registered").arg(pluginName));
79 79 }
80 80 else {
81 81 if (auto pluginInstance = qobject_cast<IPlugin *>(pluginLoader.instance())) {
82 82 pluginInstance->initialize();
83 83 m_RegisteredPlugins.insert(pluginName, pluginPath);
84 84 }
85 85 else {
86 86 loadState.setError(QObject::tr("the file is not a Sciqlop plugin"));
87 87 }
88 88 }
89 89 }
90 90 else {
91 91 loadState.setError(QObject::tr("the file is not a library"));
92 92 }
93 93
94 94 // Log loading result
95 95 loadState.log();
96 96 }
97 97
98 98 /// Registered plugins (key: plugin name, value: plugin path)
99 99 QHash<QString, QString> m_RegisteredPlugins;
100 100 };
101 101
102 102 PluginManager::PluginManager() : impl{spimpl::make_unique_impl<PluginManagerPrivate>()}
103 103 {
104 104 }
105 105
106 106 void PluginManager::loadPlugins(const QDir &pluginDir)
107 107 {
108 108 // Load plugins
109 109 auto pluginInfoList
110 110 = pluginDir.entryInfoList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name);
111 111 for (auto entryInfo : qAsConst(pluginInfoList)) {
112 if (entryInfo.isDir())
112 if (entryInfo.isDir()) {
113 113 this->loadPlugins(QDir{entryInfo.absoluteFilePath()});
114 else {
115 if (QLibrary::isLibrary(entryInfo.absoluteFilePath()))
116 impl->loadPlugin(entryInfo.absoluteFilePath());
114 }
115 else if (QLibrary::isLibrary(entryInfo.absoluteFilePath())) {
116 impl->loadPlugin(entryInfo.absoluteFilePath());
117 117 }
118 118 }
119 119 }
120 120
121 121 int PluginManager::nbPluginsLoaded() const noexcept
122 122 {
123 123 return impl->m_RegisteredPlugins.size();
124 124 }
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