diff options
-rw-r--r-- | src/citra_qt/CMakeLists.txt | 2 | ||||
-rw-r--r-- | src/citra_qt/game_list.cpp | 171 | ||||
-rw-r--r-- | src/citra_qt/game_list.h | 52 | ||||
-rw-r--r-- | src/citra_qt/game_list_p.h | 130 | ||||
-rw-r--r-- | src/citra_qt/main.cpp | 49 | ||||
-rw-r--r-- | src/citra_qt/main.h | 8 | ||||
-rw-r--r-- | src/citra_qt/main.ui | 11 | ||||
-rw-r--r-- | src/citra_qt/util/util.cpp | 12 | ||||
-rw-r--r-- | src/citra_qt/util/util.h | 4 | ||||
-rw-r--r-- | src/common/file_util.cpp | 160 | ||||
-rw-r--r-- | src/common/file_util.h | 26 | ||||
-rw-r--r-- | src/core/loader/loader.cpp | 26 | ||||
-rw-r--r-- | src/core/loader/loader.h | 28 |
13 files changed, 556 insertions, 123 deletions
diff --git a/src/citra_qt/CMakeLists.txt b/src/citra_qt/CMakeLists.txt index a82e8a85b..51a574629 100644 --- a/src/citra_qt/CMakeLists.txt +++ b/src/citra_qt/CMakeLists.txt @@ -17,6 +17,7 @@ set(SRCS debugger/profiler.cpp debugger/ramview.cpp debugger/registers.cpp + game_list.cpp util/spinbox.cpp util/util.cpp bootmanager.cpp @@ -42,6 +43,7 @@ set(HEADERS debugger/profiler.h debugger/ramview.h debugger/registers.h + game_list.h util/spinbox.h util/util.h bootmanager.h diff --git a/src/citra_qt/game_list.cpp b/src/citra_qt/game_list.cpp new file mode 100644 index 000000000..dade3c212 --- /dev/null +++ b/src/citra_qt/game_list.cpp @@ -0,0 +1,171 @@ +// Copyright 2015 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <QHeaderView> +#include <QThreadPool> +#include <QVBoxLayout> + +#include "game_list.h" +#include "game_list_p.h" + +#include "core/loader/loader.h" + +#include "common/common_paths.h" +#include "common/logging/log.h" +#include "common/string_util.h" + +GameList::GameList(QWidget* parent) +{ + QVBoxLayout* layout = new QVBoxLayout; + + tree_view = new QTreeView; + item_model = new QStandardItemModel(tree_view); + tree_view->setModel(item_model); + + tree_view->setAlternatingRowColors(true); + tree_view->setSelectionMode(QHeaderView::SingleSelection); + tree_view->setSelectionBehavior(QHeaderView::SelectRows); + tree_view->setVerticalScrollMode(QHeaderView::ScrollPerPixel); + tree_view->setHorizontalScrollMode(QHeaderView::ScrollPerPixel); + tree_view->setSortingEnabled(true); + tree_view->setEditTriggers(QHeaderView::NoEditTriggers); + tree_view->setUniformRowHeights(true); + + item_model->insertColumns(0, COLUMN_COUNT); + item_model->setHeaderData(COLUMN_FILE_TYPE, Qt::Horizontal, "File type"); + item_model->setHeaderData(COLUMN_NAME, Qt::Horizontal, "Name"); + item_model->setHeaderData(COLUMN_SIZE, Qt::Horizontal, "Size"); + + connect(tree_view, SIGNAL(activated(const QModelIndex&)), this, SLOT(ValidateEntry(const QModelIndex&))); + + // We must register all custom types with the Qt Automoc system so that we are able to use it with + // signals/slots. In this case, QList falls under the umbrells of custom types. + qRegisterMetaType<QList<QStandardItem*>>("QList<QStandardItem*>"); + + layout->addWidget(tree_view); + setLayout(layout); +} + +GameList::~GameList() +{ + emit ShouldCancelWorker(); +} + +void GameList::AddEntry(QList<QStandardItem*> entry_items) +{ + item_model->invisibleRootItem()->appendRow(entry_items); +} + +void GameList::ValidateEntry(const QModelIndex& item) +{ + // We don't care about the individual QStandardItem that was selected, but its row. + int row = item_model->itemFromIndex(item)->row(); + QStandardItem* child_file = item_model->invisibleRootItem()->child(row, COLUMN_NAME); + QString file_path = child_file->data(GameListItemPath::FullPathRole).toString(); + + if (file_path.isEmpty()) + return; + std::string std_file_path = file_path.toStdString(); + if (!FileUtil::Exists(std_file_path) || FileUtil::IsDirectory(std_file_path)) + return; + emit GameChosen(file_path); +} + +void GameList::DonePopulating() +{ + tree_view->setEnabled(true); +} + +void GameList::PopulateAsync(const QString& dir_path, bool deep_scan) +{ + if (!FileUtil::Exists(dir_path.toStdString()) || !FileUtil::IsDirectory(dir_path.toStdString())) { + LOG_ERROR(Frontend, "Could not find game list folder at %s", dir_path.toLatin1().data()); + return; + } + + tree_view->setEnabled(false); + // Delete any rows that might already exist if we're repopulating + item_model->removeRows(0, item_model->rowCount()); + + emit ShouldCancelWorker(); + GameListWorker* worker = new GameListWorker(dir_path, deep_scan); + + connect(worker, SIGNAL(EntryReady(QList<QStandardItem*>)), this, SLOT(AddEntry(QList<QStandardItem*>)), Qt::QueuedConnection); + connect(worker, SIGNAL(Finished()), this, SLOT(DonePopulating()), Qt::QueuedConnection); + // Use DirectConnection here because worker->Cancel() is thread-safe and we want it to cancel without delay. + connect(this, SIGNAL(ShouldCancelWorker()), worker, SLOT(Cancel()), Qt::DirectConnection); + + QThreadPool::globalInstance()->start(worker); + current_worker = std::move(worker); +} + +void GameList::SaveInterfaceLayout(QSettings& settings) +{ + settings.beginGroup("UILayout"); + settings.setValue("gameListHeaderState", tree_view->header()->saveState()); + settings.endGroup(); +} + +void GameList::LoadInterfaceLayout(QSettings& settings) +{ + auto header = tree_view->header(); + settings.beginGroup("UILayout"); + header->restoreState(settings.value("gameListHeaderState").toByteArray()); + settings.endGroup(); + + item_model->sort(header->sortIndicatorSection(), header->sortIndicatorOrder()); +} + +void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, bool deep_scan) +{ + const auto callback = [&](const std::string& directory, + const std::string& virtual_name) -> int { + + std::string physical_name = directory + DIR_SEP + virtual_name; + + if (stop_processing) + return -1; // A negative return value breaks the callback loop. + + if (deep_scan && FileUtil::IsDirectory(physical_name)) { + AddFstEntriesToGameList(physical_name, true); + } else { + std::string filename_filename, filename_extension; + Common::SplitPath(physical_name, nullptr, &filename_filename, &filename_extension); + + Loader::FileType guessed_filetype = Loader::GuessFromExtension(filename_extension); + if (guessed_filetype == Loader::FileType::Unknown) + return 0; + Loader::FileType filetype = Loader::IdentifyFile(physical_name); + if (filetype == Loader::FileType::Unknown) { + LOG_WARNING(Frontend, "File %s is of indeterminate type and is possibly corrupted.", physical_name.c_str()); + return 0; + } + if (guessed_filetype != filetype) { + LOG_WARNING(Frontend, "Filetype and extension of file %s do not match.", physical_name.c_str()); + } + + emit EntryReady({ + new GameListItem(QString::fromStdString(Loader::GetFileTypeString(filetype))), + new GameListItemPath(QString::fromStdString(physical_name)), + new GameListItemSize(FileUtil::GetSize(physical_name)), + }); + } + + return 0; // We don't care about the found entries + }; + FileUtil::ScanDirectoryTreeAndCallback(dir_path, callback); +} + +void GameListWorker::run() +{ + stop_processing = false; + AddFstEntriesToGameList(dir_path.toStdString(), deep_scan); + emit Finished(); +} + +void GameListWorker::Cancel() +{ + disconnect(this, 0, 0, 0); + stop_processing = true; +} diff --git a/src/citra_qt/game_list.h b/src/citra_qt/game_list.h new file mode 100644 index 000000000..0950d9622 --- /dev/null +++ b/src/citra_qt/game_list.h @@ -0,0 +1,52 @@ +// Copyright 2015 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <QModelIndex> +#include <QSettings> +#include <QStandardItem> +#include <QStandardItemModel> +#include <QString> +#include <QTreeView> +#include <QWidget> + +class GameListWorker; + + +class GameList : public QWidget { + Q_OBJECT + +public: + enum { + COLUMN_FILE_TYPE, + COLUMN_NAME, + COLUMN_SIZE, + COLUMN_COUNT, // Number of columns + }; + + GameList(QWidget* parent = nullptr); + ~GameList() override; + + void PopulateAsync(const QString& dir_path, bool deep_scan); + + void SaveInterfaceLayout(QSettings& settings); + void LoadInterfaceLayout(QSettings& settings); + +public slots: + void AddEntry(QList<QStandardItem*> entry_items); + +private slots: + void ValidateEntry(const QModelIndex& item); + void DonePopulating(); + +signals: + void GameChosen(QString game_path); + void ShouldCancelWorker(); + +private: + QTreeView* tree_view = nullptr; + QStandardItemModel* item_model = nullptr; + GameListWorker* current_worker = nullptr; +}; diff --git a/src/citra_qt/game_list_p.h b/src/citra_qt/game_list_p.h new file mode 100644 index 000000000..820012bce --- /dev/null +++ b/src/citra_qt/game_list_p.h @@ -0,0 +1,130 @@ +// Copyright 2015 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <atomic> + +#include <QRunnable> +#include <QStandardItem> +#include <QString> + +#include "citra_qt/util/util.h" +#include "common/string_util.h" + + +class GameListItem : public QStandardItem { + +public: + GameListItem(): QStandardItem() {} + GameListItem(const QString& string): QStandardItem(string) {} + virtual ~GameListItem() override {} +}; + + +/** + * A specialization of GameListItem for path values. + * This class ensures that for every full path value it holds, a correct string representation + * of just the filename (with no extension) will be displayed to the user. + */ +class GameListItemPath : public GameListItem { + +public: + static const int FullPathRole = Qt::UserRole + 1; + + GameListItemPath(): GameListItem() {} + GameListItemPath(const QString& game_path): GameListItem() + { + setData(game_path, FullPathRole); + } + + void setData(const QVariant& value, int role) override + { + // By specializing setData for FullPathRole, we can ensure that the two string + // representations of the data are always accurate and in the correct format. + if (role == FullPathRole) { + std::string filename; + Common::SplitPath(value.toString().toStdString(), nullptr, &filename, nullptr); + GameListItem::setData(QString::fromStdString(filename), Qt::DisplayRole); + GameListItem::setData(value, FullPathRole); + } else { + GameListItem::setData(value, role); + } + } +}; + + +/** + * A specialization of GameListItem for size values. + * This class ensures that for every numerical size value it holds (in bytes), a correct + * human-readable string representation will be displayed to the user. + */ +class GameListItemSize : public GameListItem { + +public: + static const int SizeRole = Qt::UserRole + 1; + + GameListItemSize(): GameListItem() {} + GameListItemSize(const qulonglong size_bytes): GameListItem() + { + setData(size_bytes, SizeRole); + } + + void setData(const QVariant& value, int role) override + { + // By specializing setData for SizeRole, we can ensure that the numerical and string + // representations of the data are always accurate and in the correct format. + if (role == SizeRole) { + qulonglong size_bytes = value.toULongLong(); + GameListItem::setData(ReadableByteSize(size_bytes), Qt::DisplayRole); + GameListItem::setData(value, SizeRole); + } else { + GameListItem::setData(value, role); + } + } + + /** + * This operator is, in practice, only used by the TreeView sorting systems. + * Override it so that it will correctly sort by numerical value instead of by string representation. + */ + bool operator<(const QStandardItem& other) const override + { + return data(SizeRole).toULongLong() < other.data(SizeRole).toULongLong(); + } +}; + + +/** + * Asynchronous worker object for populating the game list. + * Communicates with other threads through Qt's signal/slot system. + */ +class GameListWorker : public QObject, public QRunnable { + Q_OBJECT + +public: + GameListWorker(QString dir_path, bool deep_scan): + QObject(), QRunnable(), dir_path(dir_path), deep_scan(deep_scan) {} + +public slots: + /// Starts the processing of directory tree information. + void run() override; + /// Tells the worker that it should no longer continue processing. Thread-safe. + void Cancel(); + +signals: + /** + * The `EntryReady` signal is emitted once an entry has been prepared and is ready + * to be added to the game list. + * @param entry_items a list with `QStandardItem`s that make up the columns of the new entry. + */ + void EntryReady(QList<QStandardItem*> entry_items); + void Finished(); + +private: + QString dir_path; + bool deep_scan; + std::atomic_bool stop_processing; + + void AddFstEntriesToGameList(const std::string& dir_path, bool deep_scan); +}; diff --git a/src/citra_qt/main.cpp b/src/citra_qt/main.cpp index 01841b33c..298649aaf 100644 --- a/src/citra_qt/main.cpp +++ b/src/citra_qt/main.cpp @@ -12,6 +12,7 @@ #include "citra_qt/bootmanager.h" #include "citra_qt/config.h" +#include "citra_qt/game_list.h" #include "citra_qt/hotkeys.h" #include "citra_qt/main.h" @@ -59,6 +60,9 @@ GMainWindow::GMainWindow() : emu_thread(nullptr) render_window = new GRenderWindow(this, emu_thread.get()); render_window->hide(); + game_list = new GameList(); + ui.horizontalLayout->addWidget(game_list); + profilerWidget = new ProfilerWidget(this); addDockWidget(Qt::BottomDockWidgetArea, profilerWidget); profilerWidget->hide(); @@ -137,6 +141,8 @@ GMainWindow::GMainWindow() : emu_thread(nullptr) microProfileDialog->setVisible(settings.value("microProfileDialogVisible").toBool()); settings.endGroup(); + game_list->LoadInterfaceLayout(settings); + ui.action_Use_Hardware_Renderer->setChecked(Settings::values.use_hw_renderer); SetHardwareRendererEnabled(ui.action_Use_Hardware_Renderer->isChecked()); @@ -160,8 +166,10 @@ GMainWindow::GMainWindow() : emu_thread(nullptr) UpdateRecentFiles(); // Setup connections + connect(game_list, SIGNAL(GameChosen(QString)), this, SLOT(OnGameListLoadFile(QString))); connect(ui.action_Load_File, SIGNAL(triggered()), this, SLOT(OnMenuLoadFile())); connect(ui.action_Load_Symbol_Map, SIGNAL(triggered()), this, SLOT(OnMenuLoadSymbolMap())); + connect(ui.action_Select_Game_List_Root, SIGNAL(triggered()), this, SLOT(OnMenuSelectGameListRoot())); connect(ui.action_Start, SIGNAL(triggered()), this, SLOT(OnStartGame())); connect(ui.action_Pause, SIGNAL(triggered()), this, SLOT(OnPauseGame())); connect(ui.action_Stop, SIGNAL(triggered()), this, SLOT(OnStopGame())); @@ -193,6 +201,8 @@ GMainWindow::GMainWindow() : emu_thread(nullptr) show(); + game_list->PopulateAsync(settings.value("gameListRootDir").toString(), settings.value("gameListDeepScan").toBool()); + QStringList args = QApplication::arguments(); if (args.length() >= 2) { BootGame(args[1].toStdString()); @@ -264,8 +274,12 @@ void GMainWindow::BootGame(const std::string& filename) { // Update the GUI registersWidget->OnDebugModeEntered(); callstackWidget->OnDebugModeEntered(); + if (ui.action_Single_Window_Mode->isChecked()) { + game_list->hide(); + } render_window->show(); + emulation_running = true; OnStartGame(); } @@ -294,6 +308,9 @@ void GMainWindow::ShutdownGame() { ui.action_Pause->setEnabled(false); ui.action_Stop->setEnabled(false); render_window->hide(); + game_list->show(); + + emulation_running = false; } void GMainWindow::StoreRecentFile(const QString& filename) @@ -337,12 +354,16 @@ void GMainWindow::UpdateRecentFiles() { } } +void GMainWindow::OnGameListLoadFile(QString game_path) { + BootGame(game_path.toLatin1().data()); +} + void GMainWindow::OnMenuLoadFile() { QSettings settings; QString rom_path = settings.value("romsPath", QString()).toString(); QString filename = QFileDialog::getOpenFileName(this, tr("Load File"), rom_path, tr("3DS executable (*.3ds *.3dsx *.elf *.axf *.cci *.cxi)")); - if (filename.size()) { + if (!filename.isEmpty()) { settings.setValue("romsPath", QFileInfo(filename).path()); StoreRecentFile(filename); @@ -355,13 +376,23 @@ void GMainWindow::OnMenuLoadSymbolMap() { QString symbol_path = settings.value("symbolsPath", QString()).toString(); QString filename = QFileDialog::getOpenFileName(this, tr("Load Symbol Map"), symbol_path, tr("Symbol map (*)")); - if (filename.size()) { + if (!filename.isEmpty()) { settings.setValue("symbolsPath", QFileInfo(filename).path()); LoadSymbolMap(filename.toLatin1().data()); } } +void GMainWindow::OnMenuSelectGameListRoot() { + QSettings settings; + + QString dir_path = QFileDialog::getExistingDirectory(this, tr("Select Directory")); + if (!dir_path.isEmpty()) { + settings.setValue("gameListRootDir", dir_path); + game_list->PopulateAsync(dir_path, settings.value("gameListDeepScan").toBool()); + } +} + void GMainWindow::OnMenuRecentFile() { QAction* action = qobject_cast<QAction*>(sender()); assert(action); @@ -423,17 +454,22 @@ void GMainWindow::ToggleWindowMode() { // Render in the main window... render_window->BackupGeometry(); ui.horizontalLayout->addWidget(render_window); - render_window->setVisible(true); render_window->setFocusPolicy(Qt::ClickFocus); - render_window->setFocus(); + if (emulation_running) { + render_window->setVisible(true); + render_window->setFocus(); + } } else { // Render in a separate window... ui.horizontalLayout->removeWidget(render_window); render_window->setParent(nullptr); - render_window->setVisible(true); - render_window->RestoreGeometry(); render_window->setFocusPolicy(Qt::NoFocus); + if (emulation_running) { + render_window->setVisible(true); + render_window->RestoreGeometry(); + game_list->show(); + } } } @@ -456,6 +492,7 @@ void GMainWindow::closeEvent(QCloseEvent* event) { settings.setValue("singleWindowMode", ui.action_Single_Window_Mode->isChecked()); settings.setValue("displayTitleBars", ui.actionDisplay_widget_title_bars->isChecked()); settings.setValue("firstStart", false); + game_list->SaveInterfaceLayout(settings); SaveHotkeys(settings); // Shutdown session if the emu thread is active... diff --git a/src/citra_qt/main.h b/src/citra_qt/main.h index 32523fded..6d27ce6a9 100644 --- a/src/citra_qt/main.h +++ b/src/citra_qt/main.h @@ -10,6 +10,7 @@ #include "ui_main.h" +class GameList; class GImageInfo; class GRenderWindow; class EmuThread; @@ -87,8 +88,12 @@ private slots: void OnStartGame(); void OnPauseGame(); void OnStopGame(); + /// Called whenever a user selects a game in the game list widget. + void OnGameListLoadFile(QString game_path); void OnMenuLoadFile(); void OnMenuLoadSymbolMap(); + /// Called whenever a user selects the "File->Select Game List Root" menu item + void OnMenuSelectGameListRoot(); void OnMenuRecentFile(); void OnOpenHotkeysDialog(); void OnConfigure(); @@ -101,7 +106,10 @@ private: Ui::MainWindow ui; GRenderWindow* render_window; + GameList* game_list; + // Whether emulation is currently running in Citra. + bool emulation_running = false; std::unique_ptr<EmuThread> emu_thread; ProfilerWidget* profilerWidget; diff --git a/src/citra_qt/main.ui b/src/citra_qt/main.ui index 1ba700a3a..997597642 100644 --- a/src/citra_qt/main.ui +++ b/src/citra_qt/main.ui @@ -45,7 +45,7 @@ <x>0</x> <y>0</y> <width>1081</width> - <height>21</height> + <height>22</height> </rect> </property> <widget class="QMenu" name="menu_File"> @@ -60,6 +60,7 @@ <addaction name="action_Load_File"/> <addaction name="action_Load_Symbol_Map"/> <addaction name="separator"/> + <addaction name="action_Select_Game_List_Root"/> <addaction name="menu_recent_files"/> <addaction name="separator"/> <addaction name="action_Exit"/> @@ -182,6 +183,14 @@ <string>Display Dock Widget Headers</string> </property> </action> + <action name="action_Select_Game_List_Root"> + <property name="text"> + <string>Select Game Directory...</string> + </property> + <property name="toolTip"> + <string>Selects a folder to display in the game list</string> + </property> + </action> </widget> <resources/> <connections> diff --git a/src/citra_qt/util/util.cpp b/src/citra_qt/util/util.cpp index f292046b7..8734a8efd 100644 --- a/src/citra_qt/util/util.cpp +++ b/src/citra_qt/util/util.cpp @@ -2,6 +2,9 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <array> +#include <cmath> + #include "citra_qt/util/util.h" QFont GetMonospaceFont() { @@ -11,3 +14,12 @@ QFont GetMonospaceFont() { font.setFixedPitch(true); return font; } + +QString ReadableByteSize(qulonglong size) { + static const std::array<const char*, 6> units = { "B", "KiB", "MiB", "GiB", "TiB", "PiB" }; + if (size == 0) + return "0"; + int digit_groups = std::min<int>((int)(std::log10(size) / std::log10(1024)), units.size()); + return QString("%L1 %2").arg(size / std::pow(1024, digit_groups), 0, 'f', 1) + .arg(units[digit_groups]); +} diff --git a/src/citra_qt/util/util.h b/src/citra_qt/util/util.h index 98a944047..ab443ef9b 100644 --- a/src/citra_qt/util/util.h +++ b/src/citra_qt/util/util.h @@ -5,6 +5,10 @@ #pragma once #include <QFont> +#include <QString> /// Returns a QFont object appropriate to use as a monospace font for debugging widgets, etc. QFont GetMonospaceFont(); + +/// Convert a size in bytes into a readable format (KiB, MiB, etc.) +QString ReadableByteSize(qulonglong size); diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp index dcb9baa08..1e0d33313 100644 --- a/src/common/file_util.cpp +++ b/src/common/file_util.cpp @@ -420,28 +420,23 @@ bool CreateEmptyFile(const std::string &filename) } -// Scans the directory tree gets, starting from _Directory and adds the -// results into parentEntry. Returns the number of files+directories found -u32 ScanDirectoryTree(const std::string &directory, FSTEntry& parentEntry) +int ScanDirectoryTreeAndCallback(const std::string &directory, std::function<int(const std::string&, const std::string&)> callback) { LOG_TRACE(Common_Filesystem, "directory %s", directory.c_str()); // How many files + directories we found - u32 foundEntries = 0; + int found_entries = 0; #ifdef _WIN32 // Find the first file in the directory. WIN32_FIND_DATA ffd; - HANDLE hFind = FindFirstFile(Common::UTF8ToTStr(directory + "\\*").c_str(), &ffd); - if (hFind == INVALID_HANDLE_VALUE) - { - FindClose(hFind); - return foundEntries; + HANDLE handle_find = FindFirstFile(Common::UTF8ToTStr(directory + "\\*").c_str(), &ffd); + if (handle_find == INVALID_HANDLE_VALUE) { + FindClose(handle_find); + return found_entries; } // windows loop - do - { - FSTEntry entry; - const std::string virtualName(Common::TStrToUTF8(ffd.cFileName)); + do { + const std::string virtual_name(Common::TStrToUTF8(ffd.cFileName)); #else struct dirent dirent, *result = nullptr; @@ -450,115 +445,80 @@ u32 ScanDirectoryTree(const std::string &directory, FSTEntry& parentEntry) return 0; // non windows loop - while (!readdir_r(dirp, &dirent, &result) && result) - { - FSTEntry entry; - const std::string virtualName(result->d_name); + while (!readdir_r(dirp, &dirent, &result) && result) { + const std::string virtual_name(result->d_name); #endif // check for "." and ".." - if (((virtualName[0] == '.') && (virtualName[1] == '\0')) || - ((virtualName[0] == '.') && (virtualName[1] == '.') && - (virtualName[2] == '\0'))) + if (((virtual_name[0] == '.') && (virtual_name[1] == '\0')) || + ((virtual_name[0] == '.') && (virtual_name[1] == '.') && + (virtual_name[2] == '\0'))) continue; - entry.virtualName = virtualName; - entry.physicalName = directory; - entry.physicalName += DIR_SEP + entry.virtualName; - if (IsDirectory(entry.physicalName.c_str())) - { - entry.isDirectory = true; - // is a directory, lets go inside - entry.size = ScanDirectoryTree(entry.physicalName, entry); - foundEntries += (u32)entry.size; - } - else - { // is a file - entry.isDirectory = false; - entry.size = GetSize(entry.physicalName.c_str()); + int ret = callback(directory, virtual_name); + if (ret < 0) { + if (ret != -1) + found_entries = ret; + break; } - ++foundEntries; - // Push into the tree - parentEntry.children.push_back(entry); + found_entries += ret; + #ifdef _WIN32 - } while (FindNextFile(hFind, &ffd) != 0); - FindClose(hFind); + } while (FindNextFile(handle_find, &ffd) != 0); + FindClose(handle_find); #else } closedir(dirp); #endif // Return number of entries found. - return foundEntries; + return found_entries; } - -// Deletes the given directory and anything under it. Returns true on success. -bool DeleteDirRecursively(const std::string &directory) +int ScanDirectoryTree(const std::string &directory, FSTEntry& parent_entry) { - LOG_TRACE(Common_Filesystem, "%s", directory.c_str()); -#ifdef _WIN32 - // Find the first file in the directory. - WIN32_FIND_DATA ffd; - HANDLE hFind = FindFirstFile(Common::UTF8ToTStr(directory + "\\*").c_str(), &ffd); - - if (hFind == INVALID_HANDLE_VALUE) - { - FindClose(hFind); - return false; - } - - // windows loop - do - { - const std::string virtualName(Common::TStrToUTF8(ffd.cFileName)); -#else - struct dirent dirent, *result = nullptr; - DIR *dirp = opendir(directory.c_str()); - if (!dirp) - return false; - - // non windows loop - while (!readdir_r(dirp, &dirent, &result) && result) - { - const std::string virtualName = result->d_name; -#endif + const auto callback = [&parent_entry](const std::string& directory, + const std::string& virtual_name) -> int { + FSTEntry entry; + int found_entries = 0; + entry.virtualName = virtual_name; + entry.physicalName = directory + DIR_SEP + virtual_name; - // check for "." and ".." - if (((virtualName[0] == '.') && (virtualName[1] == '\0')) || - ((virtualName[0] == '.') && (virtualName[1] == '.') && - (virtualName[2] == '\0'))) - continue; + if (IsDirectory(entry.physicalName)) { + entry.isDirectory = true; + // is a directory, lets go inside + entry.size = ScanDirectoryTree(entry.physicalName, entry); + found_entries += (int)entry.size; + } else { // is a file + entry.isDirectory = false; + entry.size = GetSize(entry.physicalName); + } + ++found_entries; + // Push into the tree + parent_entry.children.push_back(entry); + return found_entries; + }; - std::string newPath = directory + DIR_SEP_CHR + virtualName; - if (IsDirectory(newPath)) - { - if (!DeleteDirRecursively(newPath)) - { - #ifndef _WIN32 - closedir(dirp); - #endif + return ScanDirectoryTreeAndCallback(directory, callback); +} - return false; - } - } - else - { - if (!FileUtil::Delete(newPath)) - { - #ifndef _WIN32 - closedir(dirp); - #endif - return false; +bool DeleteDirRecursively(const std::string &directory) +{ + const static auto callback = [](const std::string& directory, + const std::string& virtual_name) -> int { + std::string new_path = directory + DIR_SEP_CHR + virtual_name; + if (IsDirectory(new_path)) { + if (!DeleteDirRecursively(new_path)) { + return -2; } + } else if (!Delete(new_path)) { + return -2; } + return 0; + }; -#ifdef _WIN32 - } while (FindNextFile(hFind, &ffd) != 0); - FindClose(hFind); -#else + if (ScanDirectoryTreeAndCallback(directory, callback) == -2) { + return false; } - closedir(dirp); -#endif FileUtil::DeleteDir(directory); return true; diff --git a/src/common/file_util.h b/src/common/file_util.h index e71a9b2fa..3d617f573 100644 --- a/src/common/file_util.h +++ b/src/common/file_util.h @@ -6,6 +6,7 @@ #include <array> #include <fstream> +#include <functional> #include <cstddef> #include <cstdio> #include <string> @@ -96,9 +97,28 @@ bool Copy(const std::string &srcFilename, const std::string &destFilename); // creates an empty file filename, returns true on success bool CreateEmptyFile(const std::string &filename); -// Scans the directory tree gets, starting from _Directory and adds the -// results into parentEntry. Returns the number of files+directories found -u32 ScanDirectoryTree(const std::string &directory, FSTEntry& parentEntry); +/** + * Scans the directory tree, calling the callback for each file/directory found. + * The callback must return the number of files and directories which the provided path contains. + * If the callback's return value is -1, the callback loop is broken immediately. + * If the callback's return value is otherwise negative, the callback loop is broken immediately + * and the callback's return value is returned from this function (to allow for error handling). + * @param directory the parent directory to start scanning from + * @param callback The callback which will be called for each file/directory. It is called + * with the arguments (const std::string& directory, const std::string& virtual_name). + * The `directory `parameter is the path to the directory which contains the file/directory. + * The `virtual_name` parameter is the incomplete file path, without any directory info. + * @return the total number of files/directories found + */ +int ScanDirectoryTreeAndCallback(const std::string &directory, std::function<int(const std::string&, const std::string&)> callback); + +/** + * Scans the directory tree, storing the results. + * @param directory the parent directory to start scanning from + * @param parent_entry FSTEntry where the filesystem tree results will be stored. + * @return the total number of files/directories found + */ +int ScanDirectoryTree(const std::string &directory, FSTEntry& parent_entry); // deletes the given directory and anything under it. Returns true on success. bool DeleteDirRecursively(const std::string &directory); diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp index c4b4f5a5d..6b88169e1 100644 --- a/src/core/loader/loader.cpp +++ b/src/core/loader/loader.cpp @@ -26,12 +26,7 @@ const std::initializer_list<Kernel::AddressMapping> default_address_mappings = { { 0x1F000000, 0x600000, false }, // entire VRAM }; -/** - * Identifies the type of a bootable file - * @param file open file - * @return FileType of file - */ -static FileType IdentifyFile(FileUtil::IOFile& file) { +FileType IdentifyFile(FileUtil::IOFile& file) { FileType type; #define CHECK_TYPE(loader) \ @@ -48,12 +43,17 @@ static FileType IdentifyFile(FileUtil::IOFile& file) { return FileType::Unknown; } -/** - * Guess the type of a bootable file from its extension - * @param extension_ String extension of bootable file - * @return FileType of file - */ -static FileType GuessFromExtension(const std::string& extension_) { +FileType IdentifyFile(const std::string& file_name) { + FileUtil::IOFile file(file_name, "rb"); + if (!file.IsOpen()) { + LOG_ERROR(Loader, "Failed to load file %s", file_name.c_str()); + return FileType::Unknown; + } + + return IdentifyFile(file); +} + +FileType GuessFromExtension(const std::string& extension_) { std::string extension = Common::ToLower(extension_); if (extension == ".elf" || extension == ".axf") @@ -71,7 +71,7 @@ static FileType GuessFromExtension(const std::string& extension_) { return FileType::Unknown; } -static const char* GetFileTypeString(FileType type) { +const char* GetFileTypeString(FileType type) { switch (type) { case FileType::CCI: return "NCSD"; diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h index a37d3348c..8de95dacf 100644 --- a/src/core/loader/loader.h +++ b/src/core/loader/loader.h @@ -33,6 +33,34 @@ enum class FileType { THREEDSX, //3DSX }; +/** + * Identifies the type of a bootable file based on the magic value in its header. + * @param file open file + * @return FileType of file + */ +FileType IdentifyFile(FileUtil::IOFile& file); + +/** + * Identifies the type of a bootable file based on the magic value in its header. + * @param file_name path to file + * @return FileType of file. Note: this will return FileType::Unknown if it is unable to determine + * a filetype, and will never return FileType::Error. + */ +FileType IdentifyFile(const std::string& file_name); + +/** + * Guess the type of a bootable file from its extension + * @param extension String extension of bootable file + * @return FileType of file. Note: this will return FileType::Unknown if it is unable to determine + * a filetype, and will never return FileType::Error. + */ +FileType GuessFromExtension(const std::string& extension_); + +/** + * Convert a FileType into a string which can be displayed to the user. + */ +const char* GetFileTypeString(FileType type); + /// Return type for functions in Loader namespace enum class ResultStatus { Success, |