bug fix 2

Author: nyoungbq

src/simplnx/Utilities/FilterUtilities.cpp

@@ -0,0 +1,42 @@
+#include "FilterUtilities.hpp"
+
+#include <fmt/core.h>
+
+#include <string>
+
+namespace nx::core
+{
+
+// -----------------------------------------------------------------------------
+Result<> CreateOutputDirectories(const fs::path& outputPath)
+{
+  if(!fs::exists(outputPath))
+  {
+    std::error_code errorCode;
+    // So this looks weird but this can happen on
+    // platforms where /tmp is a symlink to /private/tmp. So the original path is
+    // /tmp/foo but what was created was /private/tmp/foo. This logic should fix that issue.
+    if(!fs::create_directories(outputPath, errorCode) && !fs::exists(outputPath))
+    {
+      return MakeErrorResult(-4010, fmt::format("Unable to create output directory {}. Error code from operating system is {}", outputPath.string(), errorCode.value()));
+    }
+  }
+  return {};
+}
+
+// -----------------------------------------------------------------------------
+void AppendDataObjectModifications(const DataStructure& dataStructure, std::vector<DataObjectModification>& modifiedActions, const DataPath& parentPath, const std::vector<DataPath>& ignoredDataPaths)
+{
+  std::optional<std::vector<DataPath>> result = nx::core::GetAllChildArrayDataPaths(dataStructure, parentPath, ignoredDataPaths);
+  if(!result)
+  {
+    return;
+  }
+
+  for(const auto& child : result.value())
+  {
+    modifiedActions.push_back(DataObjectModification{child, DataObjectModification::ModifiedType::Modified, dataStructure.getDataRef(child).getDataObjectType()});
+  }
+}
+
+} // namespace nx::core