Break web generator to own cmake.

src/core/CMakeLists.txt

@@ -5,6 +5,7 @@ list(APPEND core_HEADERS
     Color.h
     CommandLineArgs.h
     loggers/FileLogger.h
+    file_utilities/Directory.h
     file_utilities/File.h
     file_utilities/FileFormats.h
     StringUtils.h
@@ -17,6 +18,7 @@ list(APPEND core_LIB_INCLUDES
     CommandLineArgs.cpp
     data_structures/Tree.cpp
     loggers/FileLogger.cpp
+    file_utilities/Directory.cpp
     file_utilities/File.cpp
     file_utilities/FileFormats.cpp
     memory/SharedMemory.cpp

src/core/file_utilities/Directory.cpp

@@ -0,0 +1,17 @@
+#include "Directory.h"
+
+std::vector<Path> Directory::getFilesWithExtension(const Path& path, const std::string& extension)
+{
+    std::vector<Path> paths;
+    if (std::filesystem::is_directory(path))
+    {
+        for (const auto& entry : std::filesystem::directory_iterator(path))
+        {
+            if (std::filesystem::is_regular_file(entry) && entry.path().extension() == extension)
+            {
+                paths.push_back(entry.path());
+            }
+        }
+    }
+    return paths;
+}

src/core/file_utilities/Directory.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <vector>
+#include <filesystem>
+
+using Path = std::filesystem::path;
+
+class Directory
+{
+public:
+
+    static std::vector<Path> getFilesWithExtension(const Path& path, const std::string& extension);
+};