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-rw-r--r--src/core/file_sys/directory.h37
-rw-r--r--src/core/file_sys/disk_filesystem.cpp114
-rw-r--r--src/core/file_sys/disk_filesystem.h27
-rw-r--r--src/core/file_sys/filesystem.h8
-rw-r--r--src/core/file_sys/romfs_filesystem.cpp5
-rw-r--r--src/core/file_sys/romfs_filesystem.h10
-rw-r--r--src/core/file_sys/sdmc_factory.cpp40
-rw-r--r--src/core/file_sys/sdmc_factory.h31
8 files changed, 224 insertions, 48 deletions
diff --git a/src/core/file_sys/directory.h b/src/core/file_sys/directory.h
index 5a40bf472..c7639795e 100644
--- a/src/core/file_sys/directory.h
+++ b/src/core/file_sys/directory.h
@@ -6,34 +6,28 @@
#include <array>
#include <cstddef>
+#include "common/common_funcs.h"
#include "common/common_types.h"
+#include "core/file_sys/filesystem.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
-// Structure of a directory entry, from http://3dbrew.org/wiki/FSDir:Read#Entry_format
-const size_t FILENAME_LENGTH = 0x20C / 2;
+// Structure of a directory entry, from
+// http://switchbrew.org/index.php?title=Filesystem_services#DirectoryEntry
+const size_t FILENAME_LENGTH = 0x300;
struct Entry {
- char16_t filename[FILENAME_LENGTH]; // Entry name (UTF-16, null-terminated)
- std::array<char, 9> short_name; // 8.3 file name ('longfilename' -> 'LONGFI~1', null-terminated)
- char unknown1; // unknown (observed values: 0x0A, 0x70, 0xFD)
- std::array<char, 4>
- extension; // 8.3 file extension (set to spaces for directories, null-terminated)
- char unknown2; // unknown (always 0x01)
- char unknown3; // unknown (0x00 or 0x08)
- char is_directory; // directory flag
- char is_hidden; // hidden flag
- char is_archive; // archive flag
- char is_read_only; // read-only flag
- u64 file_size; // file size (for files only)
+ char filename[FILENAME_LENGTH];
+ INSERT_PADDING_BYTES(4);
+ EntryType type;
+ INSERT_PADDING_BYTES(3);
+ u64 file_size;
};
-static_assert(sizeof(Entry) == 0x228, "Directory Entry struct isn't exactly 0x228 bytes long!");
-static_assert(offsetof(Entry, short_name) == 0x20C, "Wrong offset for short_name in Entry.");
-static_assert(offsetof(Entry, extension) == 0x216, "Wrong offset for extension in Entry.");
-static_assert(offsetof(Entry, is_archive) == 0x21E, "Wrong offset for is_archive in Entry.");
-static_assert(offsetof(Entry, file_size) == 0x220, "Wrong offset for file_size in Entry.");
+static_assert(sizeof(Entry) == 0x310, "Directory Entry struct isn't exactly 0x310 bytes long!");
+static_assert(offsetof(Entry, type) == 0x304, "Wrong offset for type in Entry.");
+static_assert(offsetof(Entry, file_size) == 0x308, "Wrong offset for file_size in Entry.");
class DirectoryBackend : NonCopyable {
public:
@@ -46,7 +40,10 @@ public:
* @param entries Buffer to read data into
* @return Number of entries listed
*/
- virtual u32 Read(const u32 count, Entry* entries) = 0;
+ virtual u64 Read(const u64 count, Entry* entries) = 0;
+
+ /// Returns the number of entries still left to read.
+ virtual u64 GetEntryCount() const = 0;
/**
* Close the directory
diff --git a/src/core/file_sys/disk_filesystem.cpp b/src/core/file_sys/disk_filesystem.cpp
index 22b17ba04..4235f3935 100644
--- a/src/core/file_sys/disk_filesystem.cpp
+++ b/src/core/file_sys/disk_filesystem.cpp
@@ -11,16 +11,43 @@
namespace FileSys {
+static std::string ModeFlagsToString(Mode mode) {
+ std::string mode_str;
+ u32 mode_flags = static_cast<u32>(mode);
+
+ // Calculate the correct open mode for the file.
+ if ((mode_flags & static_cast<u32>(Mode::Read)) &&
+ (mode_flags & static_cast<u32>(Mode::Write))) {
+ if (mode_flags & static_cast<u32>(Mode::Append))
+ mode_str = "a+";
+ else
+ mode_str = "r+";
+ } else {
+ if (mode_flags & static_cast<u32>(Mode::Read))
+ mode_str = "r";
+ else if (mode_flags & static_cast<u32>(Mode::Append))
+ mode_str = "a";
+ else if (mode_flags & static_cast<u32>(Mode::Write))
+ mode_str = "w";
+ }
+
+ mode_str += "b";
+
+ return mode_str;
+}
+
std::string Disk_FileSystem::GetName() const {
return "Disk";
}
ResultVal<std::unique_ptr<StorageBackend>> Disk_FileSystem::OpenFile(const std::string& path,
Mode mode) const {
- ASSERT_MSG(mode == Mode::Read || mode == Mode::Write, "Other file modes are not supported");
+
+ // Calculate the correct open mode for the file.
+ std::string mode_str = ModeFlagsToString(mode);
std::string full_path = base_directory + path;
- auto file = std::make_shared<FileUtil::IOFile>(full_path, mode == Mode::Read ? "rb" : "wb");
+ auto file = std::make_shared<FileUtil::IOFile>(full_path, mode_str.c_str());
if (!file->IsOpen()) {
return ERROR_PATH_NOT_FOUND;
@@ -75,8 +102,15 @@ ResultCode Disk_FileSystem::CreateFile(const std::string& path, u64 size) const
return ResultCode(-1);
}
-ResultCode Disk_FileSystem::CreateDirectory(const Path& path) const {
- LOG_WARNING(Service_FS, "(STUBBED) called");
+ResultCode Disk_FileSystem::CreateDirectory(const std::string& path) const {
+ // TODO(Subv): Perform path validation to prevent escaping the emulator sandbox.
+ std::string full_path = base_directory + path;
+
+ if (FileUtil::CreateDir(full_path)) {
+ return RESULT_SUCCESS;
+ }
+
+ LOG_CRITICAL(Service_FS, "(unreachable) Unknown error creating %s", full_path.c_str());
// TODO(wwylele): Use correct error code
return ResultCode(-1);
}
@@ -88,8 +122,17 @@ ResultCode Disk_FileSystem::RenameDirectory(const Path& src_path, const Path& de
}
ResultVal<std::unique_ptr<DirectoryBackend>> Disk_FileSystem::OpenDirectory(
- const Path& path) const {
- return MakeResult<std::unique_ptr<DirectoryBackend>>(std::make_unique<Disk_Directory>());
+ const std::string& path) const {
+
+ std::string full_path = base_directory + path;
+
+ if (!FileUtil::IsDirectory(full_path)) {
+ // TODO(Subv): Find the correct error code for this.
+ return ResultCode(-1);
+ }
+
+ auto directory = std::make_unique<Disk_Directory>(full_path);
+ return MakeResult<std::unique_ptr<DirectoryBackend>>(std::move(directory));
}
u64 Disk_FileSystem::GetFreeSpaceSize() const {
@@ -103,8 +146,10 @@ ResultVal<FileSys::EntryType> Disk_FileSystem::GetEntryType(const std::string& p
return ERROR_PATH_NOT_FOUND;
}
- // TODO(Subv): Find out the EntryType values
- UNIMPLEMENTED_MSG("Unimplemented GetEntryType");
+ if (FileUtil::IsDirectory(full_path))
+ return MakeResult(EntryType::Directory);
+
+ return MakeResult(EntryType::File);
}
ResultVal<size_t> Disk_Storage::Read(const u64 offset, const size_t length, u8* buffer) const {
@@ -129,18 +174,55 @@ u64 Disk_Storage::GetSize() const {
}
bool Disk_Storage::SetSize(const u64 size) const {
- LOG_WARNING(Service_FS, "(STUBBED) called");
- return false;
+ file->Resize(size);
+ file->Flush();
+ return true;
}
-u32 Disk_Directory::Read(const u32 count, Entry* entries) {
- LOG_WARNING(Service_FS, "(STUBBED) called");
- return 0;
+Disk_Directory::Disk_Directory(const std::string& path) : directory() {
+ unsigned size = FileUtil::ScanDirectoryTree(path, directory);
+ directory.size = size;
+ directory.isDirectory = true;
+ children_iterator = directory.children.begin();
}
-bool Disk_Directory::Close() const {
- LOG_WARNING(Service_FS, "(STUBBED) called");
- return true;
+u64 Disk_Directory::Read(const u64 count, Entry* entries) {
+ u64 entries_read = 0;
+
+ while (entries_read < count && children_iterator != directory.children.cend()) {
+ const FileUtil::FSTEntry& file = *children_iterator;
+ const std::string& filename = file.virtualName;
+ Entry& entry = entries[entries_read];
+
+ LOG_TRACE(Service_FS, "File %s: size=%llu dir=%d", filename.c_str(), file.size,
+ file.isDirectory);
+
+ // TODO(Link Mauve): use a proper conversion to UTF-16.
+ for (size_t j = 0; j < FILENAME_LENGTH; ++j) {
+ entry.filename[j] = filename[j];
+ if (!filename[j])
+ break;
+ }
+
+ if (file.isDirectory) {
+ entry.file_size = 0;
+ entry.type = EntryType::Directory;
+ } else {
+ entry.file_size = file.size;
+ entry.type = EntryType::File;
+ }
+
+ ++entries_read;
+ ++children_iterator;
+ }
+ return entries_read;
+}
+
+u64 Disk_Directory::GetEntryCount() const {
+ // We convert the children iterator into a const_iterator to allow template argument deduction
+ // in std::distance.
+ std::vector<FileUtil::FSTEntry>::const_iterator current = children_iterator;
+ return std::distance(current, directory.children.end());
}
} // namespace FileSys
diff --git a/src/core/file_sys/disk_filesystem.h b/src/core/file_sys/disk_filesystem.h
index 53767b949..742d7db1a 100644
--- a/src/core/file_sys/disk_filesystem.h
+++ b/src/core/file_sys/disk_filesystem.h
@@ -30,9 +30,10 @@ public:
ResultCode DeleteDirectory(const Path& path) const override;
ResultCode DeleteDirectoryRecursively(const Path& path) const override;
ResultCode CreateFile(const std::string& path, u64 size) const override;
- ResultCode CreateDirectory(const Path& path) const override;
+ ResultCode CreateDirectory(const std::string& path) const override;
ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
- ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
+ ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(
+ const std::string& path) const override;
u64 GetFreeSpaceSize() const override;
ResultVal<EntryType> GetEntryType(const std::string& path) const override;
@@ -59,8 +60,26 @@ private:
class Disk_Directory : public DirectoryBackend {
public:
- u32 Read(const u32 count, Entry* entries) override;
- bool Close() const override;
+ Disk_Directory(const std::string& path);
+
+ ~Disk_Directory() override {
+ Close();
+ }
+
+ u64 Read(const u64 count, Entry* entries) override;
+ u64 GetEntryCount() const override;
+
+ bool Close() const override {
+ return true;
+ }
+
+protected:
+ u32 total_entries_in_directory;
+ FileUtil::FSTEntry directory;
+
+ // We need to remember the last entry we returned, so a subsequent call to Read will continue
+ // from the next one. This iterator will always point to the next unread entry.
+ std::vector<FileUtil::FSTEntry>::iterator children_iterator;
};
} // namespace FileSys
diff --git a/src/core/file_sys/filesystem.h b/src/core/file_sys/filesystem.h
index 94ad2abf2..399427ca2 100644
--- a/src/core/file_sys/filesystem.h
+++ b/src/core/file_sys/filesystem.h
@@ -27,7 +27,7 @@ enum LowPathType : u32 {
Wchar = 4,
};
-enum EntryType : u32 {
+enum EntryType : u8 {
Directory = 0,
File = 1,
};
@@ -35,6 +35,7 @@ enum EntryType : u32 {
enum class Mode : u32 {
Read = 1,
Write = 2,
+ Append = 4,
};
class Path {
@@ -103,7 +104,7 @@ public:
* @param path Path relative to the archive
* @return Result of the operation
*/
- virtual ResultCode CreateDirectory(const Path& path) const = 0;
+ virtual ResultCode CreateDirectory(const std::string& path) const = 0;
/**
* Delete a directory specified by its path
@@ -149,7 +150,8 @@ public:
* @param path Path relative to the archive
* @return Opened directory, or error code
*/
- virtual ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const = 0;
+ virtual ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(
+ const std::string& path) const = 0;
/**
* Get the free space
diff --git a/src/core/file_sys/romfs_filesystem.cpp b/src/core/file_sys/romfs_filesystem.cpp
index f1f9b4d04..0c6cc3157 100644
--- a/src/core/file_sys/romfs_filesystem.cpp
+++ b/src/core/file_sys/romfs_filesystem.cpp
@@ -55,7 +55,7 @@ ResultCode RomFS_FileSystem::CreateFile(const std::string& path, u64 size) const
return ResultCode(-1);
}
-ResultCode RomFS_FileSystem::CreateDirectory(const Path& path) const {
+ResultCode RomFS_FileSystem::CreateDirectory(const std::string& path) const {
LOG_CRITICAL(Service_FS, "Attempted to create a directory in an ROMFS archive (%s).",
GetName().c_str());
// TODO(wwylele): Use correct error code
@@ -70,7 +70,8 @@ ResultCode RomFS_FileSystem::RenameDirectory(const Path& src_path, const Path& d
}
ResultVal<std::unique_ptr<DirectoryBackend>> RomFS_FileSystem::OpenDirectory(
- const Path& path) const {
+ const std::string& path) const {
+ LOG_WARNING(Service_FS, "Opening Directory in a ROMFS archive");
return MakeResult<std::unique_ptr<DirectoryBackend>>(std::make_unique<ROMFSDirectory>());
}
diff --git a/src/core/file_sys/romfs_filesystem.h b/src/core/file_sys/romfs_filesystem.h
index cedd70645..3f94c04d0 100644
--- a/src/core/file_sys/romfs_filesystem.h
+++ b/src/core/file_sys/romfs_filesystem.h
@@ -36,9 +36,10 @@ public:
ResultCode DeleteDirectory(const Path& path) const override;
ResultCode DeleteDirectoryRecursively(const Path& path) const override;
ResultCode CreateFile(const std::string& path, u64 size) const override;
- ResultCode CreateDirectory(const Path& path) const override;
+ ResultCode CreateDirectory(const std::string& path) const override;
ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
- ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
+ ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(
+ const std::string& path) const override;
u64 GetFreeSpaceSize() const override;
ResultVal<EntryType> GetEntryType(const std::string& path) const override;
@@ -70,7 +71,10 @@ private:
class ROMFSDirectory : public DirectoryBackend {
public:
- u32 Read(const u32 count, Entry* entries) override {
+ u64 Read(const u64 count, Entry* entries) override {
+ return 0;
+ }
+ u64 GetEntryCount() const override {
return 0;
}
bool Close() const override {
diff --git a/src/core/file_sys/sdmc_factory.cpp b/src/core/file_sys/sdmc_factory.cpp
new file mode 100644
index 000000000..00e80d2a7
--- /dev/null
+++ b/src/core/file_sys/sdmc_factory.cpp
@@ -0,0 +1,40 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cinttypes>
+#include <memory>
+#include "common/common_types.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/file_sys/disk_filesystem.h"
+#include "core/file_sys/sdmc_factory.h"
+
+namespace FileSys {
+
+SDMC_Factory::SDMC_Factory(std::string sd_directory) : sd_directory(std::move(sd_directory)) {}
+
+ResultVal<std::unique_ptr<FileSystemBackend>> SDMC_Factory::Open(const Path& path) {
+ // Create the SD Card directory if it doesn't already exist.
+ if (!FileUtil::IsDirectory(sd_directory)) {
+ FileUtil::CreateFullPath(sd_directory);
+ }
+
+ auto archive = std::make_unique<Disk_FileSystem>(sd_directory);
+ return MakeResult<std::unique_ptr<FileSystemBackend>>(std::move(archive));
+}
+
+ResultCode SDMC_Factory::Format(const Path& path) {
+ LOG_ERROR(Service_FS, "Unimplemented Format archive %s", GetName().c_str());
+ // TODO(Subv): Find the right error code for this
+ return ResultCode(-1);
+}
+
+ResultVal<ArchiveFormatInfo> SDMC_Factory::GetFormatInfo(const Path& path) const {
+ LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
+ // TODO(bunnei): Find the right error code for this
+ return ResultCode(-1);
+}
+
+} // namespace FileSys
diff --git a/src/core/file_sys/sdmc_factory.h b/src/core/file_sys/sdmc_factory.h
new file mode 100644
index 000000000..93becda25
--- /dev/null
+++ b/src/core/file_sys/sdmc_factory.h
@@ -0,0 +1,31 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include "common/common_types.h"
+#include "core/file_sys/filesystem.h"
+#include "core/hle/result.h"
+
+namespace FileSys {
+
+/// File system interface to the SDCard archive
+class SDMC_Factory final : public FileSystemFactory {
+public:
+ explicit SDMC_Factory(std::string sd_directory);
+
+ std::string GetName() const override {
+ return "SDMC_Factory";
+ }
+ ResultVal<std::unique_ptr<FileSystemBackend>> Open(const Path& path) override;
+ ResultCode Format(const Path& path) override;
+ ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
+
+private:
+ std::string sd_directory;
+};
+
+} // namespace FileSys
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-01 10:17:27 +0200