Initial commit

arm9/source/romBrowser/SdFolderFactory.cpp

@@ -0,0 +1,39 @@
+#include "common.h"
+#include <vector>
+#include "fat/Directory.h"
+#include "FileInfo.h"
+#include "FileType/Folder/FolderFileType.h"
+#include "SdFolderFactory.h"
+
+std::unique_ptr<SdFolder> SdFolderFactory::CreateFromPath(const char* path) const
+{
+    Directory directory;
+    if (directory.Open(path) != FR_OK)
+        return nullptr;
+
+    int count = 0;
+    int bufferSize = 8;
+    auto fileInfos = (FileInfo**)malloc(sizeof(FileInfo*) * bufferSize);
+    auto sdFileInfo = std::make_unique<FILINFO>();
+    while (true)
+    {
+        if (directory.Read(sdFileInfo.get()) != FR_OK)
+            return nullptr;
+
+        if (sdFileInfo->fname[0] == 0)
+            break;
+
+        if (count >= bufferSize)
+        {
+            bufferSize *= 2;
+            fileInfos = (FileInfo**)realloc(fileInfos, sizeof(FileInfo*) * bufferSize);
+        }
+        auto fileType = sdFileInfo->fattrib & AM_DIR
+            ? &FolderFileType::sInstance
+            : _fileTypeProvider->GetFileType(sdFileInfo->fname);
+        fileInfos[count++] = new FileInfo(sdFileInfo->fname, fileType,
+            FastFileRef(directory.GetFatFsDirectory(), sdFileInfo.get()));
+    }
+
+    return std::make_unique<SdFolder>(fileInfos, count);
+}