generalize fct FileSystemUtils::jointPath

Base/Utils/FileSystemUtils.cpp

@@ -71,9 +71,11 @@ std::vector<std::string> FileSystemUtils::filesInDirectory(const std::string& di
 
 std::string FileSystemUtils::jointPath(const std::string& path1, const std::string& path2)
 {
-    ASSERT(path1 != "");
     ASSERT(path2 != "");
 
+    if (path1 == "")
+        return fs::path(path2).string();
+
     return (fs::path(path1) / fs::path(path2)).string();
 }
 

Base/Utils/FileSystemUtils.h

@@ -44,7 +44,7 @@ bool createDirectories(const std::string& dir_name);
 //! Returns filenames of files in directory
 std::vector<std::string> filesInDirectory(const std::string& dir_name);
 
-//! Returns joint path name.
+//! Returns joint path name. Argument path1 may be empty, argument path2 not.
 std::string jointPath(const std::string& path1, const std::string& path2);
 
 //! Returns path without directory part ("Foo/Bar/Doz.int.gz" -> "Doz.int.gz")

GUI/coregui/mainwindow/SaveLoadInterface.cpp

@@ -14,8 +14,6 @@
 
 #include "GUI/coregui/mainwindow/SaveLoadInterface.h"
 
-SaveLoadInterface::~SaveLoadInterface() = default;
-
 QString SaveLoadInterface::fileName(const QString& projectDir) const
 {
     const auto filename = fileName();

GUI/coregui/mainwindow/SaveLoadInterface.h

@@ -24,7 +24,7 @@
 
 class SaveLoadInterface {
 public:
-    virtual ~SaveLoadInterface();
+    virtual ~SaveLoadInterface() = default;
 
     //! Loads non-XML data from _projectDir_ and returns success flag.
     virtual bool loadData(const QString& projectDir) = 0;

auto/Wrap/doxygenBase.i

@@ -1310,7 +1310,7 @@ Returns filenames of files in directory.
 
 %feature("docstring")  FileSystemUtils::jointPath "std::string FileSystemUtils::jointPath(const std::string &path1, const std::string &path2)
 
-Returns joint path name. 
+Returns joint path name. Argument path1 may be empty, argument path2 not. 
 ";
 
 %feature("docstring")  FileSystemUtils::filename "std::string FileSystemUtils::filename(const std::string &path)