I think the last missing work for v1.0.0? :)

include/gui.hpp

@@ -70,6 +70,7 @@ namespace Gui
 	void DrawBottom(void);
 
 	void DisplayWarnMsg(std::string Text);
+	bool promptMsg(std::string promptMsg);
 }
 
 void DisplayMsg(std::string text);

include/screens/scriptlist.hpp

@@ -56,4 +56,5 @@ private:
 	int fastMode = false;
 };
 
+Result createFile(const char * path);
 #endif

include/utils/common.hpp

@@ -58,5 +58,5 @@ using json = nlohmann::json;
 
 extern char * arg0;
 
-#define WORKING_DIR       "/3ds/"
+#define WORKING_DIR       "/"
 #define SCRIPTS_PATH	"/3ds/Universal-Updater/scripts/" // The Scripts will be here.

include/utils/files.h

@@ -28,5 +28,8 @@
 
 #include "common.hpp"
 
+Result makeDirs(const char * path);
 Result openFile(Handle* fileHandle, const char * path, bool write);
 Result deleteFile(const char * path);
+Result removeDir(const char * path);
+Result removeDirRecursive(const char * path);

romfs/lang/en/app.json

@@ -27,5 +27,8 @@
 	"ENTER_BLUE_RGB":					"Enter the Blue RGB.",
 
 	"WHAT_DO_YOU_TRY":					"What are you trying to do? :P",
-	"INCOMPATIBLE_SCRIPT":				"You have an incompatible script."
+	"INCOMPATIBLE_SCRIPT":				"You have an incompatible script.",
+
+	"DELETE_PROMPT":					"Are you sure you want to delete this Directory?",
+	"CONFIRM_OR_CANCEL":				"Press A to confirm, B to cancel."
 }

source/gui.cpp

@@ -174,3 +174,27 @@ void Gui::DrawBottom(void) {
 	Gui::Draw_Rect(0, 30, 320, 180, Config::Color3);
 	Gui::Draw_Rect(0, 210, 320, 30, Config::Color1);
 }
+
+// Display a Message, which needs to be confirmed with A/B.
+bool Gui::promptMsg(std::string promptMsg)
+{
+	Gui::clearTextBufs();
+	C3D_FrameBegin(C3D_FRAME_SYNCDRAW);
+	C2D_TargetClear(top, BLACK);
+	C2D_TargetClear(bottom, BLACK);
+	Gui::DrawTop();
+	Gui::DrawString((400-Gui::GetStringWidth(0.6f, promptMsg.c_str()))/2, 100, 0.6f, Config::TxtColor, promptMsg.c_str(), 400);
+	Gui::DrawString((400-Gui::GetStringWidth(0.72f, Lang::get("CONFIRM_OR_CANCEL")))/2, 214, 0.72f, Config::TxtColor, Lang::get("CONFIRM_OR_CANCEL"), 400);
+	Gui::DrawBottom();
+	C3D_FrameEnd(0);
+	while(1)
+	{
+		gspWaitForVBlank();
+		hidScanInput();
+		if(hidKeysDown() & KEY_A) {
+			return true;
+		} else if(hidKeysDown() & KEY_B) {
+			return false;
+		}
+	}
+}

source/main.cpp

@@ -68,7 +68,6 @@ int main()
 		Config::saveConfig();
 	}
 	Lang::load(1);
-	
 	Gui::setScreen(std::make_unique<MainMenu>());
 	osSetSpeedupEnable(true);	// Enable speed-up for New 3DS users
 

source/screens/scriptlist.cpp

@@ -45,6 +45,7 @@ struct Info {
 };
 std::string choice;
 std::string currentFile;
+std::string selectedTitle;
 
 Info parseInfo(std::string fileName) {
 	FILE* file = fopen(fileName.c_str(), "rt");
@@ -95,6 +96,14 @@ std::vector<std::string> parseObjects(std::string fileName) {
 	return objs;
 }
 
+// Because we need `#include <fstream>`.
+Result createFile(const char * path) {
+	std::ofstream ofstream;
+	ofstream.open(path, std::ofstream::out | std::ofstream::app);
+	ofstream.close();
+	return 0;
+}
+
 void runFunctions(void) {
 	FILE* file = fopen(currentFile.c_str(), "rt");
 	nlohmann::json json = nlohmann::json::parse(file, nullptr, false);
@@ -151,6 +160,32 @@ void runFunctions(void) {
 			else    missing = true;
 			if(json.at(choice).at(i).contains("message"))	message = json.at(choice).at(i).at("message");
 			if(!missing)	download::installFileList(file, message);
+
+		} else if (type == "mkdir") {
+			bool missing = false;
+			std::string directory, message;
+			if(json.at(choice).at(i).contains("directory"))	directory = json.at(choice).at(i).at("directory");
+			else	missing = true;
+			if(!missing)	makeDirs(directory.c_str());
+
+		} else if (type == "rmdir") {
+			bool missing = false;
+			std::string directory, message, promptmsg;
+			if(json.at(choice).at(i).contains("directory"))	directory = json.at(choice).at(i).at("directory");
+			else	missing = true;
+			promptmsg = Lang::get("DELETE_PROMPT") + "\n" + directory;
+			if(!missing) {
+				if (Gui::promptMsg(promptmsg)) {
+					removeDirRecursive(directory.c_str());
+				}
+			}
+
+		} else if (type == "mkfile") {
+			bool missing = false;
+			std::string file;
+			if(json.at(choice).at(i).contains("file"))	file = json.at(choice).at(i).at("file");
+			else	missing = true;
+			if(!missing)	createFile(file.c_str());
 		}
 	}
 	doneMsg();
@@ -201,6 +236,7 @@ void ScriptList::DrawSingleObject(void) const {
 	std::string info;
 	Gui::DrawTop();
 	Gui::DrawStringCentered(0, 2, 0.7f, Config::TxtColor, "Universal-Updater", 400);
+	Gui::DrawStringCentered(0, 214, 0.7f, Config::TxtColor, selectedTitle, 400);
 	Gui::DrawBottom();
 	for(int i=0;i<ENTRIES_PER_SCREEN && i<(int)fileInfo2.size();i++) {
 		info = fileInfo2[screenPos2 + i];
@@ -248,10 +284,9 @@ void ScriptList::ListSelection(u32 hDown, u32 hHeld) {
 	}
 
 	if (hDown & KEY_A) {
-		if (fileInfo.size() == 0) {
+		if (fileInfo.size() != 0) {
-			Gui::DisplayWarnMsg(Lang::get("WHAT_DO_YOU_TRY"));
-		} else {
 			currentFile = dirContents[selection].name;
+			selectedTitle = fileInfo[selection].title;
 			checkForValidate();
 			fileInfo2 = parseObjects(currentFile);
 			selection = 0;
@@ -293,9 +328,7 @@ void ScriptList::SelectFunction(u32 hDown, u32 hHeld) {
 		}
 	}
 	if (hDown & KEY_A) {
-		if (fileInfo2.size() == 0) {
+		if (fileInfo2.size() != 0) {
-			Gui::DisplayWarnMsg(Lang::get("WHAT_DO_YOU_TRY"));
-		} else {
 			choice = fileInfo2[selection2];
 			runFunctions();
 		}

source/utils/files.c

@@ -1,12 +1,22 @@
 #include "utils/files.h"
 
+// Blacklist!
+#define BLACKLIST_CTRNAND	"ctrnand:/"
+#define BLACKLIST_TWLP		"twlp:/"
+#define BLACKLIST_TWLN		"twln:/"
+#define BLACKLIST_SDROOT	"sdmc:/"
+#define BLACKLIST_ROOT		"/"
+#define BLACKLIST_NINTENDO3DS "sdmc:/Nintendo 3DS"
+#define BLACKLIST_NINTENDO3DS2	"/Nintendo"
+
+
 FS_Path getPathInfo(const char * path, FS_ArchiveID * archive)
 {
 	*archive = ARCHIVE_SDMC;
 	FS_Path filePath = {0};
 	unsigned int prefixlen = 0;
 
-	if (!strncmp(path, "ctrnand:/", 9)) {
+/*	if (!strncmp(path, "ctrnand:/", 9)) {
 		*archive = ARCHIVE_NAND_CTR_FS;
 		prefixlen = 8;
 	}
@@ -17,8 +27,8 @@ FS_Path getPathInfo(const char * path, FS_ArchiveID * archive)
 	else if (!strncmp(path, "twln:/", 6)) {
 		*archive = ARCHIVE_NAND_TWL_FS;
 		prefixlen = 5;
-	}
+	}*/
-	else if (!strncmp(path, "sdmc:/", 6)) {
+	if (!strncmp(path, "sdmc:/", 6)) {
 		prefixlen = 5;
 	}
 	else if (*path != '/') {
@@ -36,9 +46,11 @@ FS_Path getPathInfo(const char * path, FS_ArchiveID * archive)
 	return filePath;
 }
 
-Result makeDirs(FS_ArchiveID archiveID, char * path)
+Result makeDirs(const char * path)
 {
 	Result ret = 0;
+	FS_ArchiveID archiveID;
+	FS_Path filePath = getPathInfo(path, &archiveID);
 	FS_Archive archive;
 
 	ret = FSUSER_OpenArchive(&archive, archiveID, fsMakePath(PATH_EMPTY, ""));
@@ -46,21 +58,18 @@ Result makeDirs(FS_ArchiveID archiveID, char * path)
 	for (char * slashpos = strchr(path+1, '/'); slashpos != NULL; slashpos = strchr(slashpos+1, '/')) {
 		char bak = *(slashpos);
 		*(slashpos) = '\0';
-
-		FS_Path dirpath = fsMakePath(PATH_ASCII, path);
 		Handle dirHandle;
 
-		ret = FSUSER_OpenDirectory(&dirHandle, archive, dirpath);
+		ret = FSUSER_OpenDirectory(&dirHandle, archive, filePath);
 		if (R_SUCCEEDED(ret))
 			FSDIR_Close(dirHandle);
 		else
-			ret = FSUSER_CreateDirectory(archive, dirpath, FS_ATTRIBUTE_DIRECTORY);
+			ret = FSUSER_CreateDirectory(archive, filePath, FS_ATTRIBUTE_DIRECTORY);
 
 		*(slashpos) = bak;
 	}
 
 	FSUSER_CloseArchive(archive);
-	free(path);
 
 	return ret;
 }
@@ -72,7 +81,7 @@ Result openFile(Handle* fileHandle, const char * path, bool write)
 	u32 flags = (write ? (FS_OPEN_CREATE | FS_OPEN_WRITE) : FS_OPEN_READ);
 
 	Result ret = 0;
-	ret = makeDirs(archive, strdup(path));
+	ret = makeDirs(strdup(path));
 	ret = FSUSER_OpenFileDirectly(fileHandle, archive, fsMakePath(PATH_EMPTY, ""), filePath, flags, 0);
 	if (write)
 		ret = FSFILE_SetSize(*fileHandle, 0); //truncate the file to remove previous contents before writing
@@ -93,3 +102,29 @@ Result deleteFile(const char * path)
 
 	return ret;
 }
+
+Result removeDir(const char *path) {
+	FS_ArchiveID archiveID;
+	FS_Path filePath = getPathInfo(path, &archiveID);
+	FS_Archive archive;
+
+	Result ret = FSUSER_OpenArchive(&archive, archiveID, fsMakePath(PATH_EMPTY, ""));
+	if (R_FAILED(ret)) return ret;
+	ret = FSUSER_DeleteDirectory(archive, filePath);
+	FSUSER_CloseArchive(archive);
+
+	return ret;
+}
+
+Result removeDirRecursive(const char *path) {
+	FS_ArchiveID archiveID;
+	FS_Path filePath = getPathInfo(path, &archiveID);
+	FS_Archive archive;
+
+	Result ret = FSUSER_OpenArchive(&archive, archiveID, fsMakePath(PATH_EMPTY, ""));
+	if (R_FAILED(ret)) return ret;
+	ret = FSUSER_DeleteDirectoryRecursively(archive, filePath);
+	FSUSER_CloseArchive(archive);
+	
+	return ret;
+}