Add a query for plugins that have given extensions

2 files changed, 16 insertions, 0 deletions

diff --git a/sigtools/PluginLoader.cpp b/sigtools/PluginLoader.cpp
index 2603c169..a155399c 100644
--- a/sigtools/PluginLoader.cpp
+++ b/sigtools/PluginLoader.cpp
@@ -35,6 +35,7 @@
 
 // Qt includes
 #include <QtCore/QFile>
+#include <QtCore/QSet>
 
 using namespace Sigmod;
 using namespace Sigscript;
@@ -51,6 +52,20 @@ QStringList PluginLoader::availablePlugins(const QString& type, const bool force
     return loader->services(type);
 }
 
+QStringList PluginLoader::services(const QString& type, const QStringList& extensions)
+{
+    const QSet<QString> query = extensions.toSet();
+    const QStringList names = loader->services(type);
+    QStringList list;
+    foreach (const QString& name, names)
+    {
+        PluginBase* plugin = loader->factory(type, name);
+        if (plugin && (plugin->extensions(name).toSet().intersect(query).size() == query.size()))
+            list.append(name);
+    }
+    return list;
+}
+
 KService::Ptr PluginLoader::service(const QString& type, const QString& name)
 {
     return loader->service(type, name);
diff --git a/sigtools/PluginLoader.h b/sigtools/PluginLoader.h
index ce8b6dc7..4d7460f7 100644
--- a/sigtools/PluginLoader.h
+++ b/sigtools/PluginLoader.h
@@ -50,6 +50,7 @@ namespace Sigtools
 namespace PluginLoader
 {
     SIGTOOLS_EXPORT QStringList availablePlugins(const QString& type, const bool forceLookup = false);
+    SIGTOOLS_EXPORT KService::List services(const QString& type, const QStringList& extensions);
     SIGTOOLS_EXPORT KService::Ptr service(const QString& type, const QString& name);
     
     SIGTOOLS_EXPORT QString description(const QString& type, const QString& name);