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Mime types: Fix opening files with mime types with multiple inheritance

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It was opening e.g. ruby files in the binary editor because the ruby mime
type inherits from application/x-executable (which inherits from
application/octet-stream) as well as text/plain, and it was searching
depth-first.

Task-number: QTCREATORBUG-13996
Change-Id: I1980d7ed04fabf111f8fb76df657225ae9ebe552
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
This commit is contained in:
Eike Ziller
2015-02-24 12:13:05 +01:00
parent da8270e1d0
commit 5b98fcf7f9
1 changed files with 31 additions and 25 deletions
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44
src/plugins/coreplugin/editormanager/editormanager.cpp
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@@ -2195,36 +2195,42 @@ IEditor *EditorManager::activateEditorForDocument(IDocument *document, OpenEdito
* or IExternalEditor), find the one best matching the mimetype passed in.
* Recurse over the parent classes of the mimetype to find them. */
template <class EditorFactoryLike>
static void mimeTypeFactoryRecursion(const Utils::MimeType &mimeType,
static void mimeTypeFactoryLookup(const Utils::MimeType &mimeType,
const QList<EditorFactoryLike*> &allFactories,
bool firstMatchOnly,
QList<EditorFactoryLike*> *list)
{
typedef typename QList<EditorFactoryLike*>::const_iterator EditorFactoryLikeListConstIterator;
// Loop factories to find type
const EditorFactoryLikeListConstIterator fcend = allFactories.constEnd();
for (EditorFactoryLikeListConstIterator fit = allFactories.constBegin(); fit != fcend; ++fit) {
// Exclude duplicates when recursing over xml or C++ -> C -> text.
EditorFactoryLike *factory = *fit;
if (!list->contains(factory)) {
foreach (const QString &mt, factory->mimeTypes()) {
if (mimeType.matchesName(mt)) {
list->push_back(*fit);
Utils::MimeDatabase mdb;
QSet<EditorFactoryLike *> matches;
// search breadth-first through parent hierarchy, e.g. for hierarchy
// * application/x-ruby
// * application/x-executable
// * application/octet-stream
// * text/plain
QList<Utils::MimeType> queue;
queue.append(mimeType);
while (!queue.isEmpty()) {
Utils::MimeType mt = queue.takeFirst();
// check for matching factories
foreach (EditorFactoryLike *factory, allFactories) {
if (!matches.contains(factory)) {
foreach (const QString &mimeName, factory->mimeTypes()) {
if (mt.matchesName(mimeName)) {
list->append(factory);
if (firstMatchOnly)
return;
matches.insert(factory);
}
}
}
}
// Any parent mime type classes? -> recurse
QStringList parentNames = mimeType.parentMimeTypes();
if (parentNames.empty())
return;
Utils::MimeDatabase mdb;
// add parent mime types
QStringList parentNames = mt.parentMimeTypes();
foreach (const QString &parentName, parentNames) {
const Utils::MimeType parent = mdb.mimeTypeForName(parentName);
if (parent.isValid())
mimeTypeFactoryRecursion(parent, allFactories, firstMatchOnly, list);
queue.append(parent);
}
}
}
@@ -2233,7 +2239,7 @@ EditorManager::EditorFactoryList
{
EditorFactoryList rc;
const EditorFactoryList allFactories = ExtensionSystem::PluginManager::getObjects<IEditorFactory>();
mimeTypeFactoryRecursion(mimeType, allFactories, bestMatchOnly, &rc);
mimeTypeFactoryLookup(mimeType, allFactories, bestMatchOnly, &rc);
if (debugEditorManager)
qDebug() << Q_FUNC_INFO << mimeType.name() << " returns " << rc;
return rc;
@@ -2244,7 +2250,7 @@ EditorManager::ExternalEditorList
{
ExternalEditorList rc;
const ExternalEditorList allEditors = ExtensionSystem::PluginManager::getObjects<IExternalEditor>();
mimeTypeFactoryRecursion(mimeType, allEditors, bestMatchOnly, &rc);
mimeTypeFactoryLookup(mimeType, allEditors, bestMatchOnly, &rc);
if (debugEditorManager)
qDebug() << Q_FUNC_INFO << mimeType.name() << " returns " << rc;
return rc;