Syntax Highlighter: return all definitions for a file name/mimetype

Can be used to create user controls to switch between
multiple definitions for a file or mime type.

Change-Id: I5fd3744db1e819d0d6f8448a53adaf9d2c7c168d
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/libs/3rdparty/syntax-highlighting/src/lib/repository.cpp

@@ -78,7 +78,7 @@ Definition Repository::definitionForName(const QString& defName) const
     return d->m_defs.value(defName);
 }
 
-static Definition bestCandidate(QVector<Definition>& candidates)
+static Definition bestCandidate(QVector<Definition> &&candidates)
 {
     if (candidates.isEmpty())
         return Definition();
@@ -91,6 +91,11 @@ static Definition bestCandidate(QVector<Definition>& candidates)
 }
 
 Definition Repository::definitionForFileName(const QString& fileName) const
+{
+    return bestCandidate(definitionsForFileName(fileName));
+}
+
+QVector<Definition> Repository::definitionsForFileName(const QString &fileName) const
 {
     QFileInfo fi(fileName);
     const auto name = fi.fileName();
@@ -106,10 +111,15 @@ Definition Repository::definitionForFileName(const QString& fileName) const
         }
     }
 
-    return bestCandidate(candidates);
+    return candidates;
 }
 
 Definition Repository::definitionForMimeType(const QString& mimeType) const
+{
+    return bestCandidate(definitionsForMimeType(mimeType));
+}
+
+QVector<Definition> Repository::definitionsForMimeType(const QString &mimeType) const
 {
     QVector<Definition> candidates;
     for (auto it = d->m_defs.constBegin(); it != d->m_defs.constEnd(); ++it) {
@@ -121,8 +131,7 @@ Definition Repository::definitionForMimeType(const QString& mimeType) const
             }
         }
     }
-
+    return candidates;
-    return bestCandidate(candidates);
 }
 
 QVector<Definition> Repository::definitions() const

src/libs/3rdparty/syntax-highlighting/src/lib/repository.h

@@ -166,6 +166,13 @@ public:
      */
     Definition definitionForFileName(const QString &fileName) const;
 
+    /**
+     * Returns all Definition%s for the file named @p fileName.
+     * The match is performed based on the \e extensions and @e mimetype of
+     * the definition files.
+     */
+    QVector<Definition> definitionsForFileName(const QString &fileName) const;
+
     /**
      * Returns the best matching Definition to the type named @p mimeType
      *
@@ -176,6 +183,11 @@ public:
      */
     Definition definitionForMimeType(const QString &mimeType) const;
 
+    /**
+     * Returns all Definition%s to the type named @p mimeType
+     */
+    QVector<Definition> definitionsForMimeType(const QString &mimeType) const;
+
     /**
      * Returns all available Definition%s.
      * Definition%ss are ordered by translated section and translated names,