Initial commit

arm9/source/romBrowser/SdFolder.h

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+#pragma once
+#include <memory>
+#include "FileInfo.h"
+#include "SdFolderFilterSortParams.h"
+
+/// @brief Class representing the contents of a folder on the sd card.
+class SdFolder
+{
+    FileInfo** _files;
+    int _fileCount;
+
+    static bool CompareClassification(const FileInfo* a, const FileInfo* b, bool& result);
+    static bool CompareName(const FileInfo* a, const FileInfo* b);
+public:
+    /// @brief Creates an SdFolder from the given files. The ownership of both the array
+    ///        and the FileInfo structs it points to will be taken over.
+    /// @param files The array of files.
+    /// @param fileCount The number of files in the array.
+    SdFolder(FileInfo** files, int fileCount);
+
+    /// @brief Destructs the folder, together with the FileInfo structs.
+    ~SdFolder();
+
+    /// @brief Filters and sorts the files in this folder using the given filterSortParams.
+    /// @param filterSortParams The filter and sort parameters.
+    /// @param resultCount Will contain the number of results.
+    /// @return A unique pointer to an array of FileInfo pointers containing the results.
+    std::unique_ptr<const FileInfo*[]> FilterAndSort(
+        const SdFolderFilterSortParams& filterSortParams, int& resultCount) const;
+
+    void SortByNameInPlace();
+    const FileInfo* BinarySearch(const char* fileName) const;
+
+    /// @brief Gets a pointer to an array with all files in the folder.
+    /// @return A pointer to an array with all files in the folder.
+    const FileInfo* const* GetFiles() const { return _files; }
+
+    /// @brief Gets the total number of files in the folder.
+    /// @return The total number of files.
+    int GetFileCount() const { return _fileCount; }
+};