Utils: Add a FilePath::isResourceFile function

Change-Id: I281e91bc24f5c32a5d64c31e73b7fc2f31cbade2
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>

src/libs/utils/filepath.cpp

@@ -241,6 +241,15 @@ bool FilePath::isRootPath() const
     return *this == HostOsInfo::root();
 }
 
+bool FilePath::isResourceFile() const
+{
+    if (scheme() == u"qrc")
+        return true;
+    if (needsDevice())
+        return false;
+    return pathView().startsWith(':');
+}
+
 QString FilePath::encodedHost() const
 {
     QString result = host().toString();

src/libs/utils/filepath.h

@@ -122,6 +122,7 @@ public:
     bool isSymLink() const;
     bool hasHardLinks() const;
     bool isRootPath() const;
+    bool isResourceFile() const;
     bool isNewerThan(const QDateTime &timeStamp) const;
     QDateTime lastModified() const;
     QFile::Permissions permissions() const;