From 577fc0845718ed8ad5bebf02a277c0579a817f77 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Fri, 17 May 2024 17:58:38 +0200
Subject: wanda: restructure source layout

---
 source/lib/include/wanda/system/filesystem.hpp | 39 ++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 source/lib/include/wanda/system/filesystem.hpp

(limited to 'source/lib/include/wanda/system/filesystem.hpp')

diff --git a/source/lib/include/wanda/system/filesystem.hpp b/source/lib/include/wanda/system/filesystem.hpp
new file mode 100644
index 0000000..971db90
--- /dev/null
+++ b/source/lib/include/wanda/system/filesystem.hpp
@@ -0,0 +1,39 @@
+/**
+ * @file   filesystem.hpp
+ * @author Felix Morgner (felix.morgner@gmail.com)
+ * @since  1.0.0
+ */
+
+#ifndef WANDA_SYSTEM_FILESYSTEM_HPP
+#define WANDA_SYSTEM_FILESYSTEM_HPP
+
+#include <filesystem>
+#include <optional>
+#include <vector>
+
+namespace wanda::system
+{
+  /**
+   * @brief Covenience alias for path lists
+   */
+  using path_list = std::vector<std::filesystem::path>;
+
+  /**
+   * @brief The default scan filter, allowing only regular files to pass
+   */
+  constexpr inline auto default_filter = [](std::filesystem::path const & path) {
+    return is_regular_file(path);
+  };
+
+  /**
+   * @brief Scan the given folder for files
+   */
+  std::optional<path_list> scan(std::filesystem::path folder, bool(filter)(std::filesystem::path const &) = default_filter);
+
+  /**
+   * @brief Pick a random path from the given list
+   */
+  std::filesystem::path random_pick(path_list const & paths);
+}  // namespace wanda::system
+
+#endif
\ No newline at end of file
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